@import"https://fonts.googleapis.com/css2?family=Inter+Tight:wght@100..900&display=swap";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";:root{--color-primary: #0A2E5D;--color-primary-rgb: 10, 46, 93;--color-accent: #D86532;--color-accent-rgb: 216, 101, 50;--color-bg: #F8FAFC;--color-card: #FFFFFF;--color-card-hover: #F1F5F9;--color-border: #E2E8F0;--color-text-primary: #1E293B;--color-text-secondary: #475569;--color-text-inverse: #FFFFFF;--color-success: #16A34A;--color-warning: #F59E0B;--color-error: #DC2626;--color-success-bg: #DCFCE7;--color-warning-bg: #FEF3C7;--color-error-bg: #FEE2E2;--font-family: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-size-h1: clamp(1.75rem, 2vw + 1rem, 2.25rem);--font-size-h2: clamp(1.25rem, 1.5vw + .6rem, 1.75rem);--font-size-h3: clamp(1.125rem, 1.2vw + .4rem, 1.5rem);--font-size-body: clamp(.95rem, .8vw + .4rem, 1rem);--font-size-primary-text: clamp(1rem, 1vw + .4rem, 1.125rem);--font-size-secondary-text: clamp(.875rem, .6vw + .3rem, .95rem);--font-size-label: clamp(.75rem, .5vw + .3rem, .875rem);--font-size-table: clamp(.85rem, .6vw + .35rem, .95rem);--font-size-button: clamp(.875rem, .6vw + .35rem, 1rem);--font-size-caption: clamp(.75rem, .5vw + .3rem, .85rem);--font-size-tiny: clamp(.65rem, .4vw + .25rem, .75rem);--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-loose: 1.8;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-card: 0 2px 6px rgba(0, 0, 0, .05)}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);margin:0;padding:0}:root{--login-primary: #0a2e5d;--login-accent: #e0591e;--login-text: #1e293b;--login-text-muted: #64748b;--login-bg-start: #0f172a;--login-bg-end: #1e293b;--glass-bg: rgba(255, 255, 255, .75);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .2)}.login-page-wrapper{min-height:100vh;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--login-bg-start) 0%,var(--login-bg-end) 100%);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;padding:2rem;box-sizing:border-box}.login-header-float{position:absolute;top:0;left:0;width:100%;z-index:100;padding:1.5rem 3rem;box-sizing:border-box}.login-header-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto}.login-logo{font-size:1.5rem;font-weight:800;color:#fff;letter-spacing:-.02em}.login-lang-container{position:relative}.login-lang-selector{display:flex;align-items:center;gap:.75rem;padding:.5rem 1rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:12px;cursor:pointer;transition:all .2s ease;-webkit-user-select:none;user-select:none}.login-lang-selector:hover,.login-lang-selector.active{background:#fff3}.lang-chevron{color:#ffffffb3;transition:transform .2s ease}.lang-chevron.rotate{transform:rotate(180deg)}.lang-flag{width:24px;height:18px;object-fit:cover;border-radius:4px}.lang-name{color:#fff;font-weight:600;font-size:.9rem}.login-lang-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:180px;background:#1e293bf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:12px;box-shadow:0 4px 20px #0000004d;overflow:hidden;animation:slideDown .2s ease-out forwards}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.lang-option{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;cursor:pointer;transition:background .2s ease;border-bottom:1px solid rgba(255,255,255,.05)}.lang-option:last-child{border-bottom:none}.lang-option:hover{background:#ffffff1a}.lang-option.selected{background:#ffffff0d}.lang-flag-small{width:20px;height:15px;object-fit:cover;border-radius:2px}.lang-name-option{flex:1;color:#fff;font-size:.9rem;font-weight:500}.lang-check{color:#3b82f6}.login-bg-shapes{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}.shape{position:absolute;border-radius:50%;filter:blur(80px);opacity:.15;animation:float 20s infinite alternate}.shape-1{width:500px;height:500px;background:var(--login-primary);top:-100px;left:-100px}.shape-2{width:400px;height:400px;background:var(--login-accent);bottom:-50px;right:-50px;animation-delay:-5s}.shape-3{width:300px;height:300px;background:#3b82f6;top:40%;right:15%;animation-delay:-10s}@keyframes float{0%{transform:translate(0) scale(1)}to{transform:translate(100px,50px) scale(1.1)}}.login-container-new{position:relative;z-index:10;width:100%;max-width:460px;animation:loginAppear .8s cubic-bezier(.16,1,.3,1)}@keyframes loginAppear{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:24px;border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);padding:3rem 2.5rem;display:flex;flex-direction:column;gap:2rem}.login-header-new{text-align:center}.login-welcome{font-size:1.5rem;font-weight:700;color:var(--login-text);margin-bottom:.5rem}.login-subtitle{font-size:.9375rem;color:var(--login-text-muted)}.login-form-new{display:flex;flex-direction:column;gap:1.5rem}.form-group-new{display:flex;flex-direction:column;gap:.75rem}.form-label-new{font-size:.875rem;font-weight:600;color:var(--login-text);display:flex;align-items:center;gap:.5rem}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1.25rem;color:var(--login-text-muted);pointer-events:none;transition:color .3s ease}.form-input-new{width:100%;padding:1rem 1.25rem 1rem 3.5rem;background:#ffffff80;border:2px solid transparent;border-radius:16px;font-size:1rem;color:var(--login-text);transition:all .3s ease}.form-input-new::placeholder{color:var(--login-text-muted);opacity:.6}.form-input-new:focus{outline:none;background:#fff;border-color:var(--login-primary);box-shadow:0 0 0 4px #0a2e5d1a}.form-input-new:focus~.input-icon{color:var(--login-primary)}.form-input-new:disabled{opacity:.6;cursor:not-allowed}.password-toggle-new{position:absolute;right:1rem;background:none;border:none;color:var(--login-text-muted);cursor:pointer;padding:.5rem;border-radius:10px;display:flex;align-items:center;justify-content:center;transition:all .2s}.password-toggle-new:hover:not(:disabled){background:#0a2e5d0d;color:var(--login-primary)}.password-toggle-new:disabled{opacity:.5;cursor:not-allowed}.form-options{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.remember-me-new{display:flex;align-items:center;gap:.625rem;cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--login-text);font-weight:500;transition:opacity .2s}.remember-me-new:hover{opacity:.8}.custom-checkbox{width:20px;height:20px;border:2px solid #cbd5e1;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s;background:#fff}.remember-me-new:hover .custom-checkbox{border-color:var(--login-primary)}.remember-me-new.checked .custom-checkbox{background:var(--login-primary);border-color:var(--login-primary)}.checkbox-icon{color:#fff;opacity:0;transform:scale(.5);transition:all .2s cubic-bezier(.12,.4,.29,1.46)}.remember-me-new.checked .checkbox-icon{opacity:1;transform:scale(1)}.forgot-btn{background:none;border:none;color:var(--login-primary);font-weight:600;cursor:pointer;transition:color .2s;padding:0}.forgot-btn:hover:not(:disabled){color:var(--login-accent);text-decoration:underline}.forgot-btn:disabled{opacity:.5;cursor:not-allowed}.login-error-msg{background:#fef2f2;border:1px solid #fee2e2;color:#ef4444;padding:.75rem 1rem;border-radius:12px;font-size:.875rem;display:flex;align-items:center;gap:.5rem;animation:shake .4s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}.login-submit-btn{width:100%;padding:1rem;background:linear-gradient(135deg,var(--login-primary) 0%,#1a4d8c 100%);color:#fff;border:none;border-radius:16px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;gap:.75rem;box-shadow:0 4px 12px #0a2e5d33}.login-submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #0a2e5d4d}.login-submit-btn:active:not(:disabled){transform:translateY(0)}.login-submit-btn:disabled{opacity:.7;cursor:not-allowed}.login-spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-footer-info{text-align:center;font-size:.8125rem;color:var(--login-text-muted);margin-top:.5rem}@media(max-width:768px){.login-header-float{padding:1.25rem 2rem}.login-header-content{flex-direction:column;gap:1rem;text-align:center}}@media(max-width:480px){.login-page-wrapper{padding:1rem}.login-card{padding:2.5rem 1.5rem}.login-logo{font-size:1.25rem}.login-welcome{font-size:1.35rem}.login-header-float{padding:1rem 1.5rem}.shape-1,.shape-2,.shape-3{filter:blur(60px)}}.teacher-login-title{font-size:var(--font-size-h2);color:var(--color-text-inverse);margin-bottom:.4rem;font-weight:700}.teacher-login-subtitle{font-size:var(--font-size-secondary-text);color:#ffffffd9;margin-bottom:2rem}.teacher-login-form{display:flex;flex-direction:column;gap:1rem}.input-group{text-align:left}.input-group label{display:block;font-size:var(--font-size-label);color:#ffffffe6;margin-bottom:.3rem}.input-group input{width:360px;padding:.75rem 1rem;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.25);background:#ffffff26;color:var(--color-text-inverse);font-size:var(--font-size-body);transition:all .3s ease}.input-group input::placeholder{color:#ffffffb3}.input-group input:focus{border-color:var(--color-accent);background:#ffffff40;outline:none}.password-wrapper{position:relative;display:flex;align-items:center}.toggle-password{position:absolute;right:.9rem;background:none;border:none;color:#ffffffbf;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:color .2s ease}.toggle-password:hover{color:var(--color-accent)}.login-options{text-align:right;margin-top:.25rem}.forgot-password{background:none;border:none;color:var(--color-text-inverse);font-size:var(--font-size-tiny);cursor:pointer;text-decoration:underline;transition:color .2s ease}.forgot-password:hover{color:var(--color-text-inverse)}.teacher-login-button{width:100%;margin-top:1.5rem;padding:.9rem;border:none;border-radius:var(--radius-md);font-size:var(--font-size-button);font-weight:600;cursor:pointer;background-color:var(--color-accent);color:var(--color-text-inverse);box-shadow:0 4px 15px #d865324d;transition:all .3s ease}.teacher-login-button:hover:not(:disabled){background-color:var(--color-primary);transform:translateY(-2px);box-shadow:0 6px 18px #0a2e5d66}.teacher-login-button:disabled{background:#ffffff4d;color:#ffffffb3;cursor:not-allowed;transform:none;box-shadow:none}@media(max-width:480px){.teacher-login-card{padding:1.75rem;width:90%}.teacher-login-title{font-size:var(--font-size-h3)}.teacher-login-subtitle{font-size:var(--font-size-label)}.teacher-login-button{padding:.75rem}}html,body{margin:0;padding:0;overflow-x:hidden}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: hsl(6, 78%, 57%);--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: var(--toastify-color-warning);--toastify-icon-color-error: var(--toastify-color-error);--toastify-container-width: fit-content;--toastify-toast-width: 320px;--toastify-toast-offset: 16px;--toastify-toast-top: max(var(--toastify-toast-offset), env(safe-area-inset-top));--toastify-toast-right: max(var(--toastify-toast-offset), env(safe-area-inset-right));--toastify-toast-left: max(var(--toastify-toast-offset), env(safe-area-inset-left));--toastify-toast-bottom: max(var(--toastify-toast-offset), env(safe-area-inset-bottom));--toastify-toast-background: #fff;--toastify-toast-padding: 14px;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-toast-bd-radius: 6px;--toastify-toast-shadow: 0px 4px 12px rgba(0, 0, 0, .1);--toastify-font-family: sans-serif;--toastify-z-index: 9999;--toastify-text-color-light: #757575;--toastify-text-color-dark: #fff;--toastify-text-color-info: #fff;--toastify-text-color-success: #fff;--toastify-text-color-warning: #fff;--toastify-text-color-error: #fff;--toastify-spinner-color: #616161;--toastify-spinner-color-empty-area: #e0e0e0;--toastify-color-progress-light: linear-gradient(to right, #4cd964, #5ac8fa, #007aff, #34aadc, #5856d6, #ff2d55);--toastify-color-progress-dark: #bb86fc;--toastify-color-progress-info: var(--toastify-color-info);--toastify-color-progress-success: var(--toastify-color-success);--toastify-color-progress-warning: var(--toastify-color-warning);--toastify-color-progress-error: var(--toastify-color-error);--toastify-color-progress-bgo: .2}.Toastify__toast-container{z-index:var(--toastify-z-index);-webkit-transform:translate3d(0,0,var(--toastify-z-index));position:fixed;width:var(--toastify-container-width);box-sizing:border-box;color:#fff;display:flex;flex-direction:column}.Toastify__toast-container--top-left{top:var(--toastify-toast-top);left:var(--toastify-toast-left)}.Toastify__toast-container--top-center{top:var(--toastify-toast-top);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--top-right{top:var(--toastify-toast-top);right:var(--toastify-toast-right);align-items:end}.Toastify__toast-container--bottom-left{bottom:var(--toastify-toast-bottom);left:var(--toastify-toast-left)}.Toastify__toast-container--bottom-center{bottom:var(--toastify-toast-bottom);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--bottom-right{bottom:var(--toastify-toast-bottom);right:var(--toastify-toast-right);align-items:end}.Toastify__toast{--y: 0;position:relative;touch-action:none;width:var(--toastify-toast-width);min-height:var(--toastify-toast-min-height);box-sizing:border-box;margin-bottom:1rem;padding:var(--toastify-toast-padding);border-radius:var(--toastify-toast-bd-radius);box-shadow:var(--toastify-toast-shadow);max-height:var(--toastify-toast-max-height);font-family:var(--toastify-font-family);z-index:0;display:flex;flex:1 auto;align-items:center;word-break:break-word}@media only screen and (max-width:480px){.Toastify__toast-container{width:100vw;left:env(safe-area-inset-left);margin:0}.Toastify__toast-container--top-left,.Toastify__toast-container--top-center,.Toastify__toast-container--top-right{top:env(safe-area-inset-top);transform:translate(0)}.Toastify__toast-container--bottom-left,.Toastify__toast-container--bottom-center,.Toastify__toast-container--bottom-right{bottom:env(safe-area-inset-bottom);transform:translate(0)}.Toastify__toast-container--rtl{right:env(safe-area-inset-right);left:initial}.Toastify__toast{--toastify-toast-width: 100%;margin-bottom:0;border-radius:0}}.Toastify__toast-container[data-stacked=true]{width:var(--toastify-toast-width)}.Toastify__toast--stacked{position:absolute;width:100%;transform:translate3d(0,var(--y),0) scale(var(--s));transition:transform .3s}.Toastify__toast--stacked[data-collapsed] .Toastify__toast-body,.Toastify__toast--stacked[data-collapsed] .Toastify__close-button{transition:opacity .1s}.Toastify__toast--stacked[data-collapsed=false]{overflow:visible}.Toastify__toast--stacked[data-collapsed=true]:not(:last-child)>*{opacity:0}.Toastify__toast--stacked:after{content:"";position:absolute;left:0;right:0;height:calc(var(--g) * 1px);bottom:100%}.Toastify__toast--stacked[data-pos=top]{top:0}.Toastify__toast--stacked[data-pos=bot]{bottom:0}.Toastify__toast--stacked[data-pos=bot].Toastify__toast--stacked:before{transform-origin:top}.Toastify__toast--stacked[data-pos=top].Toastify__toast--stacked:before{transform-origin:bottom}.Toastify__toast--stacked:before{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;transform:scaleY(3);z-index:-1}.Toastify__toast--rtl{direction:rtl}.Toastify__toast--close-on-click{cursor:pointer}.Toastify__toast-icon{margin-inline-end:10px;width:22px;flex-shrink:0;display:flex}.Toastify--animate{animation-fill-mode:both;animation-duration:.5s}.Toastify--animate-icon{animation-fill-mode:both;animation-duration:.3s}.Toastify__toast-theme--dark{background:var(--toastify-color-dark);color:var(--toastify-text-color-dark)}.Toastify__toast-theme--light,.Toastify__toast-theme--colored.Toastify__toast--default{background:var(--toastify-color-light);color:var(--toastify-text-color-light)}.Toastify__toast-theme--colored.Toastify__toast--info{color:var(--toastify-text-color-info);background:var(--toastify-color-info)}.Toastify__toast-theme--colored.Toastify__toast--success{color:var(--toastify-text-color-success);background:var(--toastify-color-success)}.Toastify__toast-theme--colored.Toastify__toast--warning{color:var(--toastify-text-color-warning);background:var(--toastify-color-warning)}.Toastify__toast-theme--colored.Toastify__toast--error{color:var(--toastify-text-color-error);background:var(--toastify-color-error)}.Toastify__progress-bar-theme--light{background:var(--toastify-color-progress-light)}.Toastify__progress-bar-theme--dark{background:var(--toastify-color-progress-dark)}.Toastify__progress-bar--info{background:var(--toastify-color-progress-info)}.Toastify__progress-bar--success{background:var(--toastify-color-progress-success)}.Toastify__progress-bar--warning{background:var(--toastify-color-progress-warning)}.Toastify__progress-bar--error{background:var(--toastify-color-progress-error)}.Toastify__progress-bar-theme--colored.Toastify__progress-bar--info,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--success,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--warning,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--error{background:var(--toastify-color-transparent)}.Toastify__close-button{color:#fff;position:absolute;top:6px;right:6px;background:transparent;outline:none;border:none;padding:0;cursor:pointer;opacity:.7;transition:.3s ease;z-index:1}.Toastify__toast--rtl .Toastify__close-button{left:6px;right:unset}.Toastify__close-button--light{color:#000;opacity:.3}.Toastify__close-button>svg{fill:currentColor;height:16px;width:14px}.Toastify__close-button:hover,.Toastify__close-button:focus{opacity:1}@keyframes Toastify__trackProgress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.Toastify__progress-bar{position:absolute;bottom:0;left:0;width:100%;height:100%;z-index:1;opacity:.7;transform-origin:left}.Toastify__progress-bar--animated{animation:Toastify__trackProgress linear 1 forwards}.Toastify__progress-bar--controlled{transition:transform .2s}.Toastify__progress-bar--rtl{right:0;left:initial;transform-origin:right;border-bottom-left-radius:initial}.Toastify__progress-bar--wrp{position:absolute;overflow:hidden;bottom:0;left:0;width:100%;height:5px;border-bottom-left-radius:var(--toastify-toast-bd-radius);border-bottom-right-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--wrp[data-hidden=true]{opacity:0}.Toastify__progress-bar--bg{opacity:var(--toastify-color-progress-bgo);width:100%;height:100%}.Toastify__spinner{width:20px;height:20px;box-sizing:border-box;border:2px solid;border-radius:100%;border-color:var(--toastify-spinner-color-empty-area);border-right-color:var(--toastify-spinner-color);animation:Toastify__spin .65s linear infinite}@keyframes Toastify__bounceInRight{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(3000px,0,0)}60%{opacity:1;transform:translate3d(-25px,0,0)}75%{transform:translate3d(10px,0,0)}90%{transform:translate3d(-5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutRight{20%{opacity:1;transform:translate3d(-20px,var(--y),0)}to{opacity:0;transform:translate3d(2000px,var(--y),0)}}@keyframes Toastify__bounceInLeft{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(-3000px,0,0)}60%{opacity:1;transform:translate3d(25px,0,0)}75%{transform:translate3d(-10px,0,0)}90%{transform:translate3d(5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutLeft{20%{opacity:1;transform:translate3d(20px,var(--y),0)}to{opacity:0;transform:translate3d(-2000px,var(--y),0)}}@keyframes Toastify__bounceInUp{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,3000px,0)}60%{opacity:1;transform:translate3d(0,-20px,0)}75%{transform:translate3d(0,10px,0)}90%{transform:translate3d(0,-5px,0)}to{transform:translateZ(0)}}@keyframes Toastify__bounceOutUp{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,-2000px,0)}}@keyframes Toastify__bounceInDown{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,-3000px,0)}60%{opacity:1;transform:translate3d(0,25px,0)}75%{transform:translate3d(0,-10px,0)}90%{transform:translate3d(0,5px,0)}to{transform:none}}@keyframes Toastify__bounceOutDown{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,2000px,0)}}.Toastify__bounce-enter--top-left,.Toastify__bounce-enter--bottom-left{animation-name:Toastify__bounceInLeft}.Toastify__bounce-enter--top-right,.Toastify__bounce-enter--bottom-right{animation-name:Toastify__bounceInRight}.Toastify__bounce-enter--top-center{animation-name:Toastify__bounceInDown}.Toastify__bounce-enter--bottom-center{animation-name:Toastify__bounceInUp}.Toastify__bounce-exit--top-left,.Toastify__bounce-exit--bottom-left{animation-name:Toastify__bounceOutLeft}.Toastify__bounce-exit--top-right,.Toastify__bounce-exit--bottom-right{animation-name:Toastify__bounceOutRight}.Toastify__bounce-exit--top-center{animation-name:Toastify__bounceOutUp}.Toastify__bounce-exit--bottom-center{animation-name:Toastify__bounceOutDown}@keyframes Toastify__zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}@keyframes Toastify__zoomOut{0%{opacity:1}50%{opacity:0;transform:translate3d(0,var(--y),0) scale3d(.3,.3,.3)}to{opacity:0}}.Toastify__zoom-enter{animation-name:Toastify__zoomIn}.Toastify__zoom-exit{animation-name:Toastify__zoomOut}@keyframes Toastify__flipIn{0%{transform:perspective(400px) rotateX(90deg);animation-timing-function:ease-in;opacity:0}40%{transform:perspective(400px) rotateX(-20deg);animation-timing-function:ease-in}60%{transform:perspective(400px) rotateX(10deg);opacity:1}80%{transform:perspective(400px) rotateX(-5deg)}to{transform:perspective(400px)}}@keyframes Toastify__flipOut{0%{transform:translate3d(0,var(--y),0) perspective(400px)}30%{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(-20deg);opacity:1}to{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(90deg);opacity:0}}.Toastify__flip-enter{animation-name:Toastify__flipIn}.Toastify__flip-exit{animation-name:Toastify__flipOut}@keyframes Toastify__slideInRight{0%{transform:translate3d(110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInLeft{0%{transform:translate3d(-110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInUp{0%{transform:translate3d(0,110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInDown{0%{transform:translate3d(0,-110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideOutRight{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(110%,var(--y),0)}}@keyframes Toastify__slideOutLeft{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(-110%,var(--y),0)}}@keyframes Toastify__slideOutDown{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,500px,0)}}@keyframes Toastify__slideOutUp{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,-500px,0)}}.Toastify__slide-enter--top-left,.Toastify__slide-enter--bottom-left{animation-name:Toastify__slideInLeft}.Toastify__slide-enter--top-right,.Toastify__slide-enter--bottom-right{animation-name:Toastify__slideInRight}.Toastify__slide-enter--top-center{animation-name:Toastify__slideInDown}.Toastify__slide-enter--bottom-center{animation-name:Toastify__slideInUp}.Toastify__slide-exit--top-left,.Toastify__slide-exit--bottom-left{animation-name:Toastify__slideOutLeft;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-right,.Toastify__slide-exit--bottom-right{animation-name:Toastify__slideOutRight;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-center{animation-name:Toastify__slideOutUp;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--bottom-center{animation-name:Toastify__slideOutDown;animation-timing-function:ease-in;animation-duration:.3s}@keyframes Toastify__spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.sb-main{position:fixed;top:.2rem;left:0;height:calc(100vh - 1.5rem);width:280px;border-top-left-radius:20px;border-top-right-radius:20px;z-index:1000;display:flex;flex-direction:column;transition:width .4s cubic-bezier(.4,0,.2,1),transform .4s cubic-bezier(.4,0,.2,1);padding:1.5rem 0}.sb-main--mobile{transform:translate(-100%);background:#fff;box-shadow:10px 0 40px #0000001a}.sb-main--mobile.sb-main--open{transform:translate(0)}.sb-main--desktop{position:fixed;transform:translate(0)}.sb-main--desktop.sb-main--collapsed{width:88px}.sb-overlay{position:fixed;inset:0;background:#0006;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:999}.sb-header{display:flex;align-items:center;justify-content:center;padding:0 1.5rem 1.5rem;position:relative;border:none;margin-bottom:0}.sb-logo{display:flex;align-items:center;gap:.75rem;min-width:0}.sb-logo-icon{font-size:1.75rem;min-width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary),#1a4d8c);border-radius:12px;box-shadow:0 4px 12px #0a2e5d26;color:#fff}.sb-logo-text{font-size:1.2rem;font-weight:800;color:var(--color-primary);white-space:nowrap;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);letter-spacing:-.02em;opacity:1;visibility:visible;width:auto}.sb-toggle{position:absolute;right:-17px;top:50%;transform:translateY(-50%);background:var(--color-primary);border:3px solid #F8FAFC;color:#fff;cursor:pointer;padding:.5rem;border-radius:50%;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;width:34px;height:34px;box-shadow:0 4px 12px #0a2e5d33;z-index:1001}.sb-toggle:hover{transform:translateY(-50%) scale(1.15);background:var(--color-accent)}.sb-toggle-icon{transition:transform .4s cubic-bezier(.4,0,.2,1);width:16px;height:16px}.sb-toggle-icon.rotated{transform:rotate(180deg)}.sb-nav{flex:1;padding:0 1rem;margin-top:1.8rem;overflow-y:auto;overflow-x:hidden}.sb-group{margin-bottom:1.5rem}.sb-group:first-child{border-top:none;margin-top:0;padding-top:0}.sb-group-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem .75rem;cursor:pointer;border-radius:8px;transition:all .4s cubic-bezier(.4,0,.2,1);margin-bottom:.5rem;background:#1e40af1f;opacity:1;visibility:visible;height:auto;overflow:hidden}.sb-group-header:hover{background:#0a2e5d0a}.sb-group-title{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-secondary);opacity:.7;white-space:nowrap}.sb-menu{list-style:none;margin:0;padding:0;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1)}.sb-menu.hide{max-height:0;opacity:0}.sb-menu.show{max-height:1000px;opacity:1}.sb-menu-item{margin-bottom:4px;transition:transform .4s cubic-bezier(.4,0,.2,1)}.sb-menu-link{display:flex;align-items:center;padding:.75rem 1rem;color:var(--color-text-secondary);text-decoration:none;border-radius:12px;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;font-weight:500;font-size:.9rem}.sb-menu-link:hover{background:#0a2e5d0f;color:var(--color-primary);transform:translate(4px)}.sb-menu-link.active{background:linear-gradient(135deg,#0a2e5d14,#0a2e5d0a);color:var(--color-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--color-primary)}.sb-menu-icon{margin-right:.85rem;width:20px;display:flex;align-items:center;justify-content:center;color:inherit;flex-shrink:0;transition:all .3s ease}.sb-menu-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all .4s cubic-bezier(.4,0,.2,1);flex:1;opacity:1;visibility:visible}.sb-menu-badge{background:var(--color-accent);color:#fff;font-size:.7rem;padding:.15rem .5rem;border-radius:10px;font-weight:700;box-shadow:0 2px 5px #e0591e4d;transition:all .4s cubic-bezier(.4,0,.2,1);opacity:1;visibility:visible}.sb-footer{padding:1.5rem 1.25rem;border-top:1px solid rgba(10,46,93,.08)}.sb-user-profile{display:flex;align-items:center;gap:.85rem;cursor:pointer;padding:.5rem;border-radius:12px;transition:all .2s ease}.sb-user-profile:hover{background:#0a2e5d0a}.sb-user-avatar{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--color-primary),#1a4d8c);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;box-shadow:0 4px 10px #0a2e5d26}.sb-user-info{flex:1;min-width:0;transition:all .4s cubic-bezier(.4,0,.2,1);opacity:1;visibility:visible}.sb-user-name{font-size:.9rem;font-weight:700;color:var(--color-primary);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sb-user-role{font-size:.75rem;color:var(--color-text-secondary)}.sb-main--desktop.sb-main--collapsed .sb-logo-text,.sb-main--desktop.sb-main--collapsed .sb-menu-label,.sb-main--desktop.sb-main--collapsed .sb-menu-badge,.sb-main--desktop.sb-main--collapsed .sb-user-info,.sb-main--desktop.sb-main--collapsed .sb-group-header{opacity:0!important;visibility:hidden!important;max-width:0!important;margin:0!important;padding:0!important;pointer-events:none!important}.sb-main--desktop.sb-main--collapsed .sb-group-header{height:0!important;margin-bottom:0!important}.sb-main--desktop.sb-main--collapsed .sb-menu-item{transform:translate(-5px)}.sb-main--desktop.sb-main--collapsed .sb-group{margin-bottom:0}.sb-main--desktop.sb-main--collapsed .sb-header{justify-content:center;padding:0 .75rem 1.5rem}.sb-main--desktop.sb-main--collapsed .sb-menu-link{justify-content:center;padding:.75rem}.sb-main--desktop.sb-main--collapsed .sb-menu-icon{margin-right:0}.sb-main--desktop.sb-main--collapsed .sb-footer{display:flex;justify-content:center;padding:1.5rem .5rem}.sb-main--desktop.sb-main--collapsed .sb-user-profile{justify-content:center}.sb-tooltip-global{position:fixed;background:var(--color-primary);color:#fff;padding:.6rem 1rem;border-radius:8px;font-size:.8rem;font-weight:600;z-index:2000;box-shadow:0 4px 20px #00000026;pointer-events:none;animation:tooltipIn .2s ease-out}.sb-tooltip-global:after{content:"";position:absolute;left:-6px;top:50%;transform:translateY(-50%);border:6px solid transparent;border-right-color:var(--color-primary)}@keyframes tooltipIn{0%{opacity:0;transform:translateY(-50%) translate(-10px)}to{opacity:1;transform:translateY(-50%) translate(0)}}.sb-nav::-webkit-scrollbar{width:3px}.sb-nav::-webkit-scrollbar-track{background:transparent}.sb-nav::-webkit-scrollbar-thumb{background:#0a2e5d1a;border-radius:10px}.sb-nav::-webkit-scrollbar-thumb:hover{background:#0a2e5d33}.notification-overlay{position:fixed;inset:0;background:#00000040;display:flex;justify-content:flex-end;align-items:flex-start}.notification-modal{width:420px;background:#fff;border-radius:10px;overflow:hidden;font-family:Inter,sans-serif;margin-top:64px;margin-right:13%}.notification-header{padding:14px;display:flex;justify-content:space-between;border-bottom:1px solid #eee}.notification-tabs{display:flex;gap:8px;padding:10px}.notification-tabs button{flex:1;padding:6px;border:none;border-radius:6px;cursor:pointer;background:#f2f2f2}.notification-tabs .active{background:#2563eb;color:#fff}.notification-list{max-height:420px;overflow-y:auto}.notification-item{display:flex;gap:10px;padding:12px;border-bottom:1px solid #f0f0f0;position:relative}.avatar{width:36px;height:36px;border-radius:50%;background:#2563eb;color:#fff;display:flex;justify-content:center;align-items:center}.content{flex:1}.title{font-size:13px;margin-bottom:6px}.msg-box{padding:8px;border-radius:6px;font-size:13px}.green{background:#e8f7ef;color:#0f5132}.blue{background:#eef4ff;color:#1e40af}.yellow{background:#fff8e1;color:#7a5c00}.red{background:#fdecea;color:#b42318}.purple{background:#f3e8ff;color:#6b21a8}.reply-btn{margin-top:6px;font-size:12px;background:#2563eb;color:#fff;border:none;padding:4px 10px;border-radius:4px}.plain-text{font-size:13px}.file{margin-top:6px;font-size:12px;color:#2563eb}.time{display:block;font-size:11px;color:#888;margin-top:6px}.unread-dot{width:8px;height:8px;background:#2563eb;border-radius:50%;position:absolute;right:12px;top:18px}.empty{text-align:center;padding:20px;color:#777}.header{position:relative;z-index:900;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);min-height:80px;width:100%}.ph-container{display:flex;align-items:center;justify-content:space-between;padding:1rem 2.5rem;height:100%}.ph-left{display:flex;align-items:center;gap:1.5rem}.ph-menu-toggle{background:none;border:none;padding:.75rem;border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.ph-menu-toggle:hover{background:var(--color-card-hover);color:var(--color-text-primary)}.ph-welcome-title{font-size:var(--font-body);font-weight:600;color:var(--color-text-primary);margin:0;line-height:1.2}.ph-user-highlight{color:var(--color-primary);font-weight:700}.ph-datetime{display:flex;align-items:center;gap:.5rem;font-size:var(--font-size-secondary-text);color:var(--color-text-secondary);margin-top:.25rem}.ph-time-separator{opacity:.5}.ph-right{display:flex!important;flex-direction:row!important;align-items:center!important;gap:1.25rem!important;flex-wrap:nowrap!important}.ph-action{position:relative;display:flex;align-items:center}.ph-btn{background:none;border:none;padding:.75rem;border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;position:relative}.ph-btn:hover{background:var(--color-card-hover);color:var(--color-text-primary)}.ph-icon{width:20px;height:20px}.ph-current-flag{width:22px;height:16px;border-radius:2px;object-fit:cover;box-shadow:0 1px 3px #0000001a}.ph-chevron{transition:transform .2s ease;color:var(--color-text-secondary);width:16px;height:16px;margin-left:4px}.ph-rotate{transform:rotate(180deg)}.ph-lang-dropdown{position:absolute;top:100%;right:0;width:180px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 10px 25px #0000001a;margin-top:.75rem;z-index:1000;overflow:hidden;animation:phSlideDown .2s ease}.ph-lang-options{padding:.5rem}.ph-lang-option{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;background:none;border:none;cursor:pointer;transition:background-color .2s ease;font-size:.9rem;border-radius:var(--radius-md);color:var(--color-text-primary)}.ph-lang-option:hover{background-color:var(--color-card-hover)}.ph-lang-option.ph-active{background-color:rgba(var(--color-primary-rgb),.05);color:var(--color-primary);font-weight:600}.ph-lang-flag{width:20px;height:15px;border-radius:1px;object-fit:cover}.ph-lang-label{flex:1;text-align:left}.ph-checkmark{width:14px;height:14px;color:var(--color-primary)}.ph-profile-trigger{display:flex;align-items:center;gap:.5rem;background:none;border:none;padding:.5rem;border-radius:var(--radius-lg);cursor:pointer;transition:all .2s ease}.ph-profile-trigger:hover{background-color:var(--color-card-hover)}.ph-avatar{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--color-primary),#1a4d8c);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem;box-shadow:0 4px 10px #0a2e5d26}.ph-profile-dropdown{position:absolute;top:100%;right:0;width:260px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 10px 25px #0000001a;margin-top:.75rem;z-index:1000;animation:phSlideDown .2s ease}.ph-user-info-section{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:#f8fafc;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.ph-avatar-large{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--color-primary),#1a4d8c);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.2rem;flex-shrink:0}.ph-user-details-large{flex:1;min-width:0}.ph-user-name-large{font-weight:700;color:var(--color-text-primary);font-size:.95rem;margin-bottom:.2rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ph-user-email{font-size:.8rem;color:var(--color-text-secondary);overflow:hidden;text-overflow:ellipsis}.ph-dropdown-section{padding:.5rem}.ph-dropdown-item{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;background:none;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;font-size:.9rem;color:var(--color-text-primary);font-weight:500}.ph-dropdown-item:hover{background-color:var(--color-card-hover)}.ph-logout-item{color:#ef4444}.ph-logout-item:hover{background-color:#fef2f2}.ph-item-icon{width:18px;height:18px}.ph-dropdown-divider{height:1px;background:var(--color-border);margin:.25rem .5rem}@keyframes phSlideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1024px){.header{left:0!important;min-height:70px}.ph-container{padding:.75rem 1.5rem}}@media(max-width:768px){.ph-container{padding:.5rem 1rem}.ph-welcome{display:none}.ph-right{gap:.75rem!important}.ph-lang-dropdown,.ph-profile-dropdown{position:fixed;top:70px;right:1rem;left:1rem;width:auto;margin:0}}@media(max-width:480px){.ph-right{gap:.5rem!important}.ph-avatar{width:34px;height:34px;border-radius:10px}.ph-btn{padding:.5rem}}.layout{display:flex;height:100vh;position:relative;overflow:hidden;background-color:var(--color-bg)}.main-content{flex:1;display:flex;flex-direction:column;min-width:0;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;background:transparent}.content-area{flex:1;overflow-y:auto;background-color:transparent;border-top-left-radius:32px;margin:0;position:relative;border:3px solid var(--color-border);box-shadow:inset 2px 2px 8px #0a2e5d08,-4px -4px 16px #0a2e5d05}.content-container{min-height:100%;padding:0}.page-wrapper{padding:24px;min-height:100%}@media(min-width:1025px){.main-content.sidebar-expanded{margin-left:280px}.main-content.sidebar-collapsed{margin-left:88px}}@media(max-width:1024px){.layout{padding-left:0}.main-content{margin-left:0;border-radius:0}.main-content.sidebar-expanded{transform:translate(280px);border-radius:24px 0 0 24px;box-shadow:-5px 0 30px #00000026}.main-content.sidebar-expanded .content-area{border-radius:24px 0 0 24px}}.layout>:not(.sb-main) *{transition:color .2s ease,background-color .2s ease,border-color .2s ease}.content-area::-webkit-scrollbar{width:6px}.content-area::-webkit-scrollbar-track{background:var(--color-bg)}.content-area::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.content-area::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.layout.loading .main-content{opacity:.7;pointer-events:none}@media(prefers-contrast:high){.main-content{border:1px solid var(--color-border)}}@media(prefers-reduced-motion:reduce){.main-content,.layout{transition:none}}.courses-container{font-family:var(--font-family);background-color:var(--color-bg);min-height:100vh;padding:20px;color:var(--color-text-primary);transition:background-color .3s ease;max-width:1400px;margin:0 auto;background-image:radial-gradient(circle at 100% 100%,rgba(10,46,93,.03) 0,transparent 25%),radial-gradient(circle at 0% 0%,rgba(224,89,30,.03) 0,transparent 25%)}.courses-header-section{background:#fff;padding:1.5rem 2rem;border-radius:20px;margin-bottom:2rem;box-shadow:0 4px 20px #0a2e5d0d;border:1px solid rgba(10,46,93,.05)}.courses-header-content{display:flex;justify-content:space-between;align-items:center;width:100%}.courses-header-main{display:flex;flex-direction:column;gap:.25rem}.courses-page-title{font-size:28px;font-weight:800;color:var(--color-primary);margin:0;letter-spacing:-.02em}.courses-breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:#64748b;font-weight:500}.courses-breadcrumb .breadcrumb-item{transition:color .2s ease}.courses-breadcrumb .breadcrumb-item:hover{color:var(--color-primary)}.courses-breadcrumb .breadcrumb-item.active{color:var(--color-accent);font-weight:700}.courses-breadcrumb .breadcrumb-separator{color:#cbd5e1}.courses-filters-section{background:#fff;border-radius:20px;padding:1.25rem 2rem;display:flex;justify-content:space-between;gap:1.25rem;align-items:center;box-shadow:0 4px 15px #0a2e5d08;margin-bottom:2rem;border:1px solid rgba(10,46,93,.05)}.courses-search-box{max-width:300px;position:relative;flex:1}.courses-search-icon{position:absolute;left:1.25rem;top:50%;transform:translateY(-50%);color:#94a3b8;transition:color .3s ease}.courses-search-input{width:100%;padding:14px 20px 14px 3.5rem;border:2px solid #f1f5f9;border-radius:28px;font-size:15px;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);background:#f8fafc;color:var(--color-primary)}.courses-search-input:focus{outline:none;border-color:var(--color-primary);background:#fff;box-shadow:0 0 0 4px #0a2e5d14}.courses-search-input:focus+.courses-search-icon{color:var(--color-primary)}.courses-search-input::placeholder{color:#94a3b8;font-weight:500}.courses-header{margin-bottom:2rem}.courses-title{font-size:var(--font-size-h2);font-weight:700;color:var(--color-text-primary);margin-bottom:1.5rem;margin-top:0%;letter-spacing:-.02em}.courses-tabs{display:flex;padding:0 1.5rem;background:#f8fafc;overflow-x:auto;scrollbar-width:none;border-radius:16px;margin-bottom:1rem}.courses-tabs::-webkit-scrollbar{display:none}.tab-button{display:flex;align-items:center;gap:8px;padding:1.25rem 1.5rem;background:none;border:none;border-bottom:3px solid transparent;color:#64748b;font-weight:700;font-size:14px;cursor:pointer;transition:all .3s ease;white-space:nowrap;position:relative}.tab-button:hover{color:#0a2e5d;background:#0a2e5d05;transform:none}.tab-button.active{color:#0a2e5d;border-bottom-color:#e0591e;background:#fff;box-shadow:none}.courses-loading,.no-courses-text{text-align:center;color:var(--color-text-secondary);font-size:var(--font-size-primary-text);padding:4rem 0}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.75rem}.course-card{background-color:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease;border:1px solid transparent}.course-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f;border-color:var(--color-border)}.courses-banner{height:120px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.courses-banner:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);opacity:.5}.courses-banner-text{color:var(--color-text-inverse);font-size:2.5rem;font-weight:700;letter-spacing:.05em;position:relative;z-index:1}.course-content{padding:1.25rem 1.25rem 1.5rem;display:flex;flex-direction:column;gap:.5rem}.course-level{display:inline-block;padding:.3rem .85rem;border-radius:var(--radius-sm);font-size:var(--font-size-label);font-weight:600;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.03em;width:fit-content}.course-level.beginner{background-color:var(--color-success-bg);color:var(--color-success)}.course-level.intermediate{background-color:var(--color-warning-bg);color:var(--color-warning)}.course-level.master{background-color:var(--color-error-bg);color:var(--color-error)}.course-name{font-size:var(--font-size-h3);font-weight:600;color:var(--color-text-primary);margin:.25rem 0 .5rem;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.course-category{font-size:var(--font-size-secondary-text);color:var(--color-text-secondary);margin-bottom:.75rem;margin-top:0%;font-weight:500}.progress-bar{height:8px;border-radius:var(--radius-sm);background-color:var(--color-border);overflow:hidden;margin-top:.5rem;position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-accent) 0%,var(--color-primary) 100%);transition:width .4s ease;border-radius:var(--radius-sm);position:relative}.progress-fill:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.3) 50%,transparent 100%);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-text{font-size:var(--font-size-tiny);color:var(--color-text-secondary);margin-top:0%;font-weight:500}.course-dates{font-size:var(--font-size-caption);color:var(--color-text-secondary);margin:0%;padding-top:.75rem;border-top:1px solid var(--color-border);font-weight:500;display:flex;align-items:center;gap:.5rem}@media(max-width:768px){.courses-container{padding:1rem}.courses-header-section{padding:1.25rem 1.5rem;border-radius:16px}.courses-page-title{font-size:22px}.courses-filters-section{flex-direction:column;align-items:stretch;padding:1rem 1.5rem}.courses-search-box{width:100%}.courses-tabs{width:100%;justify-content:flex-start}.courses-grid{grid-template-columns:1fr;gap:1.25rem}}@media(max-width:640px){.courses-breadcrumb{display:none}.courses-page-title{font-size:20px}.courses-search-input{padding:12px 16px 12px 3rem;font-size:14px}.courses-search-icon{left:1rem}}@media(max-width:480px){.tab-button{padding:.75rem 1rem;font-size:.8125rem}.courses-banner{height:100px}.courses-banner-text{font-size:1.75rem}.courses-header-section,.courses-filters-section{padding:1rem}}.course-details-container{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);min-height:100vh;display:flex;flex-direction:column;position:relative;margin:0 auto;background-image:radial-gradient(circle at 100% 100%,rgba(10,46,93,.03) 0,transparent 25%),radial-gradient(circle at 0% 0%,rgba(224,89,30,.03) 0,transparent 25%)}.course-details-header-section{background:#fff;padding:1.5rem 2rem;border-radius:20px;margin-bottom:2rem;box-shadow:0 4px 20px #0a2e5d0d;border:1px solid rgba(10,46,93,.05)}.course-details-header-content{display:flex;justify-content:space-between;align-items:flex-start;gap:2rem;flex-wrap:wrap}.course-details-header-main{flex:1;min-width:300px}.header-top-row{margin-bottom:.75rem}.course-back-button{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;color:var(--color-primary);font-weight:600;font-size:14px;cursor:pointer;transition:all .3s ease}.course-back-button:hover{background:#fff;border-color:var(--color-primary);transform:translate(-3px)}.course-details-page-title{font-size:28px;font-weight:800;color:var(--color-primary);margin:0 0 .5rem;letter-spacing:-.02em;line-height:1.2}.course-details-breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:#64748b;font-weight:500;flex-wrap:wrap}.course-details-breadcrumb .breadcrumb-item{transition:color .2s ease;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-details-breadcrumb .breadcrumb-item:hover{color:var(--color-primary)}.course-details-breadcrumb .breadcrumb-item.active{color:var(--color-accent);font-weight:700}.course-details-breadcrumb .breadcrumb-separator{color:#cbd5e1}.course-details-meta-section{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}.meta-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:#f8fafc;border:2px solid #f1f5f9;border-radius:14px;font-size:14px;font-weight:600;color:var(--color-primary);transition:all .3s ease}.meta-badge:hover{background:#fff;border-color:#0a2e5d33;transform:translateY(-2px)}.meta-badge.date-badge{background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);color:#fff;border-color:transparent;box-shadow:0 4px 12px #0a2e5d33}.meta-badge.date-badge:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0a2e5d4d}.course-tabs{display:flex;padding:0 1.5rem;background:#f8fafc;overflow-x:auto;scrollbar-width:none;border-radius:16px;margin:1rem;border:none;box-shadow:0 2px 8px #0000000d}.course-tabs::-webkit-scrollbar{display:none}.tab-btn{display:flex;align-items:center;gap:8px;padding:1.25rem 1.5rem;background:none;border:none;border-bottom:3px solid transparent;color:#64748b;font-weight:700;font-size:14px;cursor:pointer;transition:all .3s ease;white-space:nowrap;position:relative}.tab-btn:hover{color:#0a2e5d;background:#0a2e5d05}.tab-btn.active{color:#0a2e5d;border-bottom-color:#e0591e;background:#fff;box-shadow:none}.tab-btn svg{transition:transform .3s ease}.tab-btn.active svg{color:#e0591e;transform:scale(1.1)}.course-tab-content{display:flex;padding:2rem;border-radius:1rem;box-shadow:0 2px 8px #0000001a;margin:1rem;background:#fff}.fade-in{opacity:1;transform:translateY(0);transition:opacity .3s ease,transform .3s ease}.fade-out{opacity:0;transform:translateY(10px);transition:opacity .2s ease,transform .2s ease}.tab-section{animation:fadeIn .3s ease;width:100%}.section-header{display:flex;gap:1rem;align-items:center;margin-bottom:2rem;padding-bottom:1rem}.tab-section h2{font-size:var(--font-size-h2);font-weight:700;color:var(--color-primary);margin:0;letter-spacing:-.02em}.resource-count,.homework-count{background-color:var(--color-bg);padding:.375rem .875rem;border-radius:var(--radius-sm);font-size:var(--font-size-label);font-weight:600;color:var(--color-text-secondary);border:1px solid var(--color-border)}.empty-state{color:var(--color-text-secondary);font-style:italic;margin:0}.empty-state-card{padding:3rem 2rem;text-align:center;background-color:var(--color-bg);border:2px dashed var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-secondary)}.course-details-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem 2rem;gap:1rem}.course-details-loading p{font-size:var(--font-size-primary-text);color:var(--color-text-secondary)}.course-details-error{text-align:center;padding:5rem 2rem;font-size:var(--font-size-primary-text);color:var(--color-text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.course-details-container{padding:1rem}.course-details-header-section{padding:1.25rem 1.5rem;border-radius:16px}.course-details-header-content{flex-direction:column;gap:1.5rem}.course-details-page-title{font-size:22px}.course-details-meta-section{width:100%}.meta-badge{flex:1;justify-content:center;min-width:120px}.course-tabs{padding:1rem 1.5rem}.course-tab-content{padding:1.5rem}.groups-grid,.teacher-grid{grid-template-columns:1fr}.group-stats{grid-template-columns:repeat(3,1fr)}.homework-header{flex-direction:column;align-items:flex-start}}@media(max-width:640px){.course-details-breadcrumb{display:none}.course-details-page-title{font-size:20px}.course-details-header-section{padding:1rem}.meta-badge{font-size:13px;padding:.625rem 1rem}}@media(max-width:480px){.course-back-button{padding:.5rem .75rem;font-size:13px}.meta-badge{min-width:100px;font-size:12px}}.about-overview-section{margin-bottom:2.5rem}.about-section-title{font-size:1.5rem;font-weight:800;color:var(--color-primary);margin:0 0 1.5rem;letter-spacing:-.02em}.about-info-cards-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.25rem;margin-bottom:2rem;margin-top:20px}.about-info-card{background:#fff;border:2px solid #f1f5f9;border-radius:16px;padding:1.25rem;display:flex;align-items:center;gap:1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.about-info-card:hover{border-color:#0a2e5d26;transform:translateY(-3px);box-shadow:0 8px 20px #0a2e5d14}.info-card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff}.info-card-icon.level{background:linear-gradient(135deg,#6366f1,#4f46e5);box-shadow:0 4px 12px #6366f140}.info-card-icon.duration{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 4px 12px #10b98140}.info-card-icon.category{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 4px 12px #f59e0b40}.info-card-icon.students{background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);box-shadow:0 4px 12px #0a2e5d40}.info-card-content{display:flex;flex-direction:column;gap:.25rem}.info-card-label{font-size:.8125rem;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.05em}.info-card-value{font-size:1.25rem;font-weight:800;color:var(--color-primary);letter-spacing:-.01em}.about-description-card{background:#f8fafc;border:2px solid #f1f5f9;border-radius:16px;padding:1.75rem}.description-title{font-size:1.125rem;font-weight:700;color:var(--color-primary);margin:0 0 1rem}.course-description{font-size:.9375rem;line-height:1.7;color:#475569;margin:0}@media(max-width:1024px){.about-info-cards-row{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.about-info-cards-row{grid-template-columns:repeat(2,1fr);gap:1rem}}@media(max-width:480px){.about-info-cards-row{grid-template-columns:1fr}.about-info-card{padding:1rem}.info-card-icon{width:40px;height:40px}.info-card-value{font-size:1.125rem}.about-description-card{padding:1.25rem}}.groups-tab-container{display:flex;flex-direction:column;gap:24px;animation:fadeIn .4s ease-out;width:100%}.groups-tab-header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:1.5rem 2rem;border-radius:20px;box-shadow:0 4px 20px #0a2e5d0d;border:1px solid rgba(10,46,93,.05)}.groups-tab-header .header-left{display:flex;align-items:center;gap:1.25rem}.groups-tab-header .header-icon{width:48px;height:48px;background:linear-gradient(135deg,#0a2e5d1a,#0a2e5d0d);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--color-primary, #0a2e5d)}.groups-tab-header .header-text h2{font-size:20px;font-weight:800;color:#0a2e5d;margin:0;letter-spacing:-.02em}.groups-tab-header .header-text p{font-size:13px;color:#64748b;margin:2px 0 0;font-weight:500}.groups-tab-header .header-right{display:flex;align-items:center;gap:.75rem}.search-wrapper{position:relative;display:flex;align-items:center}.search-wrapper svg{position:absolute;left:14px;color:#94a3b8;pointer-events:none}.search-wrapper input{padding:10px 16px 10px 42px;background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;font-size:14px;width:240px;transition:all .3s ease;color:#0a2e5d;font-weight:500}.search-wrapper input:focus{outline:none;background:#fff;border-color:#0a2e5d;box-shadow:0 0 0 4px #0a2e5d0d}.premium-table-wrapper{background:#fff;border-radius:20px;box-shadow:0 4px 20px #0a2e5d0a;overflow:hidden;border:1px solid rgba(10,46,93,.05)}.premium-groups-table{width:100%;border-collapse:separate;border-spacing:0}.premium-groups-table th{background:#f8fafc;padding:1.25rem 1.5rem;text-align:left;font-size:12px;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid #f1f5f9}.premium-groups-table td{padding:1rem 1.5rem;border-bottom:1px solid #f1f5f9;vertical-align:middle}.clickable-row{cursor:pointer;transition:background .2s ease}.clickable-row:hover{background:#f8fafc}.premium-name-cell{display:flex;align-items:center;gap:1rem}.group-avatar-ring{width:44px;height:44px;border-radius:12px;padding:2px;background:linear-gradient(135deg,#0a2e5d,#e0591e)}.group-avatar{width:100%;height:100%;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#0a2e5d;font-size:16px}.name-info{display:flex;flex-direction:column;min-width:0;flex:1}.name-info .name{font-weight:700;color:#0a2e5d;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.name-info .sub{font-size:12px;color:#94a3b8;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.id-badge{background:#f1f5f9;color:#475569;padding:4px 10px;border-radius:6px;font-size:13px;font-weight:700;font-family:monospace}.premium-mode-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:700}.premium-mode-badge.online{background:#eff6ff;color:#2563eb}.premium-mode-badge.offline{background:#fef2f2;color:#dc2626}.mode-dot{width:6px;height:6px;border-radius:50%}.online .mode-dot{background:#3b82f6;box-shadow:0 0 10px #3b82f680}.offline .mode-dot{background:#ef4444}.count-badge{display:inline-flex;align-items:center;gap:6px;background:#f8fafc;border:1px solid #f1f5f9;padding:4px 10px;border-radius:8px;color:#64748b;font-weight:600;font-size:13px}.premium-table-actions{display:flex;justify-content:flex-end;gap:8px}.action-btn{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:#64748b;cursor:pointer;transition:all .2s ease}.action-btn:hover{background:#f8fafc;box-shadow:0 4px 12px #00000014;transform:translateY(-2px)}.action-btn.view:hover{color:#2563eb}.premium-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;background:#fff;border-radius:20px;box-shadow:0 4px 20px #0a2e5d0a;border:1px solid rgba(10,46,93,.05)}.premium-empty-state .empty-illustration{width:120px;height:120px;background:linear-gradient(135deg,#0a2e5d0d,#e0591e0d);border-radius:24px;display:flex;align-items:center;justify-content:center;color:#64748b;margin-bottom:1.5rem}.premium-empty-state p{font-size:14px;color:#64748b;margin:0;max-width:400px}.text-right{text-align:right}@media(max-width:768px){.groups-tab-header{flex-direction:column;gap:1rem;padding:1rem}.groups-tab-header .header-left,.groups-tab-header .header-right{width:100%}.search-wrapper{flex:1}.search-wrapper input{width:100%}.premium-table-wrapper{overflow-x:auto}.premium-groups-table{min-width:600px}}@media(max-width:640px){.groups-tab-container{gap:1rem}.groups-tab-header{padding:.875rem;border-radius:16px}.groups-tab-header .header-icon{width:42px;height:42px}.groups-tab-header .header-text h2{font-size:18px}.groups-tab-header .header-text p{font-size:12px}.premium-table-wrapper{border-radius:16px}.premium-groups-table th{padding:.875rem 1rem;font-size:11px}.premium-groups-table td{padding:.875rem 1rem}.group-avatar-ring{width:40px;height:40px}.group-avatar,.name-info .name{font-size:14px}.name-info .sub{font-size:11px}}@media(max-width:480px){.groups-tab-container{gap:.875rem}.groups-tab-header{padding:.75rem}.groups-tab-header .header-icon{width:38px;height:38px}.groups-tab-header .header-text h2{font-size:16px}.groups-tab-header .header-text p{font-size:11px}.search-wrapper input{padding:8px 12px 8px 38px;font-size:13px}.premium-groups-table th{padding:.75rem .875rem;font-size:10px}.premium-groups-table td{padding:.75rem .875rem;font-size:13px}.group-avatar-ring{width:36px;height:36px}.group-avatar,.name-info .name{font-size:13px}.name-info .sub{font-size:10px}.id-badge{padding:3px 8px;font-size:12px}.premium-mode-badge{padding:3px 10px;font-size:11px}.count-badge{padding:3px 8px;font-size:12px}.action-btn{width:32px;height:32px}}.rt-resources-container{display:flex;flex-direction:column;gap:24px;animation:rt-fadeIn .4s ease-out;width:100%}.rt-header-card{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:1.5rem 2rem;border-radius:20px;box-shadow:0 4px 20px #0a2e5d0d;border:1px solid rgba(10,46,93,.05)}.rt-header-info{display:flex;align-items:center;gap:1.25rem}.rt-icon-wrapper{width:48px;height:48px;background:linear-gradient(135deg,#0a2e5d1a,#0a2e5d0d);border-radius:14px;display:flex;align-items:center;justify-content:center;color:#0a2e5d}.rt-title-group .rt-title{font-size:20px;font-weight:800;color:#0a2e5d;margin:0;letter-spacing:-.02em}.rt-title-group .rt-subtitle{font-size:13px;color:#64748b;margin:2px 0 0;font-weight:500}.rt-header-actions{display:flex;align-items:center;gap:.75rem}.rt-search-box{position:relative;display:flex;align-items:center}.rt-search-box svg{position:absolute;left:14px;color:#94a3b8;pointer-events:none}.rt-search-box input{padding:10px 16px 10px 42px;background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;font-size:14px;width:240px;transition:all .3s ease;color:#0a2e5d;font-weight:500}.rt-search-box input:focus{outline:none;background:#fff;border-color:#0a2e5d;box-shadow:0 0 0 4px #0a2e5d0d}.rt-table-card{background:#fff;border-radius:20px;box-shadow:0 4px 20px #0a2e5d0a;border:1px solid rgba(10,46,93,.05);overflow:hidden;min-height:400px}.rt-table-wrapper{overflow-x:auto}.rt-premium-table{width:100%;border-collapse:separate;border-spacing:0}.rt-premium-table th{background:#f8fafc;padding:1.25rem 1.5rem;text-align:left;font-size:12px;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid #f1f5f9}.rt-premium-table td{padding:1.25rem 1.5rem;border-bottom:1px solid #f1f5f9;vertical-align:middle}.rt-table-row{transition:background .2s ease}.rt-table-row:hover{background:#f8fafc}.rt-item-identity{display:flex;align-items:center;gap:1rem}.rt-identity-box{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 8px #0000001a;flex-shrink:0}.rt-identity-box.type-pdf{background:linear-gradient(135deg,#ef4444,#991b1b)}.rt-identity-box.type-mp4,.rt-identity-box.type-video{background:linear-gradient(135deg,#a855f7,#6b21a8)}.rt-identity-box.type-image,.rt-identity-box.type-png,.rt-identity-box.type-jpg{background:linear-gradient(135deg,#06b6d4,#0891b2)}.rt-identity-box.type-link{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.rt-identity-box{background:linear-gradient(135deg,#64748b,#334155)}.rt-identity-text{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}.rt-item-name{font-weight:700;color:#0a2e5d;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rt-item-quick-actions{display:flex;align-items:center;gap:8px}.rt-quick-link{background:none;border:none;padding:1px 4px;color:#64748b;font-size:12px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .2s;border-radius:4px}.rt-quick-link:hover{color:#0a2e5d;background:#f1f5f9}.rt-description-preview{color:#94a3b8;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.rt-dot-sep{color:#cbd5e1;font-size:10px}.rt-type-badge{background:#f1f5f9;color:#475569;padding:4px 10px;border-radius:8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.rt-visibility-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:700}.rt-visibility-pill.public{background:#ecfdf5;color:#059669}.rt-visibility-pill.teachers-only{background:#fff7ed;color:#c2410c}.rt-visibility-pill.students-only{background:#eff6ff;color:#1d4ed8}.rt-visibility-pill.group-only{background:#fdf2f8;color:#be185d}.rt-tag-grid{display:flex;flex-wrap:wrap;gap:6px;max-width:200px}.rt-tag-chip{background:#f1f5f9;color:#64748b;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:600}.rt-action-group{display:flex;gap:8px;justify-content:flex-end}.rt-icon-btn{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;border:none;background:#f8fafc;color:#64748b;cursor:pointer;transition:all .2s}.rt-icon-btn:hover{background:#fff;box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.rt-icon-btn.edit:hover{color:#0a2e5d}.rt-icon-btn.delete:hover{color:#dc2626}.premium-empty-state{padding:80px 40px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1rem}.premium-empty-icon{width:120px;height:120px;background:linear-gradient(135deg,#0a2e5d0d,#e0591e0d);border-radius:24px;display:flex;align-items:center;justify-content:center;color:#64748b;margin-bottom:.5rem}.premium-empty-state h3{font-size:20px;font-weight:800;color:#0a2e5d;margin:0 0 .5rem}.premium-empty-state p{font-size:14px;color:#64748b;margin:0 0 1.5rem;max-width:400px}.rt-btn-premium{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;background:linear-gradient(135deg,#0a2e5d,#1a4d8c);color:#fff;font-weight:700;font-size:14px;border:none;cursor:pointer;box-shadow:0 4px 12px #0a2e5d33;transition:all .3s}.rt-header-card .rt-btn-premium{padding:10px;width:44px;height:44px;justify-content:center}.rt-header-card .rt-btn-premium span{display:none}.rt-btn-premium:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0a2e5d4d}.rt-text-right{text-align:right}.rt-muted-text{color:#94a3b8}.rt-muted-text.small{font-size:12px}@keyframes rt-fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.rt-modal-overlay{position:fixed;inset:0;background:#0a2e5d66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:999999!important;padding:20px;animation:rt-fadeIn .2s ease-out}.rt-modal-card{background:#fff;border-radius:24px;box-shadow:0 20px 60px #0a2e5d4d;width:100%;max-width:700px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:rt-modalSlideUp .3s ease-out}@keyframes rt-modalSlideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.rt-modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:2rem 2rem 1.5rem;border-bottom:1px solid #f1f5f9}.rt-modal-title-box{flex:1}.rt-modal-kicker{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#e0591e;margin-bottom:.5rem}.rt-modal-title-box h2{font-size:24px;font-weight:800;color:#0a2e5d;margin:0;letter-spacing:-.02em}.rt-modal-close{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;border:none;background:#f8fafc;color:#64748b;cursor:pointer;transition:all .2s;flex-shrink:0}.rt-modal-close:hover{background:#f1f5f9;color:#0a2e5d;transform:rotate(90deg)}.rt-modal-body{padding:1.5rem 2rem;overflow-y:auto;overflow-x:hidden;flex:1}.rt-form-group{margin-bottom:1.5rem}.rt-form-group label{display:block;font-size:13px;font-weight:700;color:#0a2e5d;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.03em}.rt-form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.rt-input-wrapper{position:relative;display:flex;align-items:center}.rt-input-icon{position:absolute;left:14px;color:#94a3b8;pointer-events:none}.rt-input-wrapper input{width:100%;padding:12px 16px 12px 44px;background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;font-size:14px;color:#0a2e5d;font-weight:500;transition:all .3s ease}.rt-input-wrapper input:focus{outline:none;background:#fff;border-color:#0a2e5d;box-shadow:0 0 0 4px #0a2e5d0d}.rt-input-wrapper input:disabled{background:#f1f5f9;color:#94a3b8;cursor:not-allowed}.rt-form-group textarea{width:100%;padding:12px 16px;background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;font-size:14px;color:#0a2e5d;font-weight:500;font-family:inherit;resize:vertical;min-height:80px;transition:all .3s ease}.rt-form-group textarea:focus{outline:none;background:#fff;border-color:#0a2e5d;box-shadow:0 0 0 4px #0a2e5d0d}.rt-form-group textarea:disabled{background:#f1f5f9;color:#94a3b8;cursor:not-allowed}.rt-select-wrapper{position:relative;display:flex;align-items:center}.rt-select-wrapper select{width:100%;padding:12px 16px 12px 44px;background:#f8fafc;border:2px solid #f1f5f9;border-radius:12px;font-size:14px;color:#0a2e5d;font-weight:500;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;transition:all .3s ease}.rt-select-wrapper select:focus{outline:none;background-color:#fff;border-color:#0a2e5d;box-shadow:0 0 0 4px #0a2e5d0d}.rt-select-wrapper select:disabled{background-color:#f1f5f9;color:#94a3b8;cursor:not-allowed}.rt-file-upload-zone{position:relative}.rt-hidden-file-input{position:absolute;width:.1px;height:.1px;opacity:0;overflow:hidden;z-index:-1}.rt-upload-label{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:2rem;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:16px;cursor:pointer;transition:all .3s ease;text-align:center}.rt-upload-label:hover{background:#fff;border-color:#0a2e5d;box-shadow:0 4px 12px #0a2e5d0d}.rt-upload-label svg{color:#64748b}.rt-upload-text{font-size:14px;font-weight:600;color:#64748b}.rt-muted-text.italic{font-style:italic;margin-top:.5rem}.rt-modal-footer{display:flex;justify-content:flex-end;align-items:center;gap:12px;padding:1.5rem 2rem;border-top:1px solid #f1f5f9;background:#fafbfc}.rt-btn-text{padding:10px 20px;border-radius:12px;background:transparent;color:#64748b;font-weight:700;font-size:14px;border:2px solid #e2e8f0;cursor:pointer;transition:all .2s}.rt-btn-text:hover{background:#f8fafc;border-color:#cbd5e1;color:#0a2e5d}@media(max-width:768px){.rt-modal-card{max-width:100%;border-radius:20px}.rt-modal-header{padding:1.5rem 1.5rem 1rem}.rt-modal-body,.rt-modal-footer{padding:1rem 1.5rem}.rt-form-row{grid-template-columns:1fr;gap:1rem}.rt-modal-title-box h2{font-size:20px}}@media(max-width:480px){.rt-modal-overlay{padding:10px}.rt-modal-card{border-radius:16px}.rt-modal-header{padding:1.25rem 1.25rem .875rem}.rt-modal-body{padding:.875rem 1.25rem}.rt-modal-footer{padding:.875rem 1.25rem;flex-direction:column-reverse}.rt-btn-text,.rt-modal-footer .rt-btn-premium{width:100%;justify-content:center}.rt-modal-title-box h2{font-size:18px}.rt-modal-kicker{font-size:11px}.rt-upload-label{padding:1.5rem 1rem}}@media(max-width:768px){.rt-header-card{flex-direction:column;gap:1rem;padding:1rem}.rt-header-info,.rt-header-actions{width:100%}.rt-header-actions{flex-direction:row;gap:.75rem}.rt-search-box{flex:1}.rt-search-box input{width:100%}.rt-table-wrapper{overflow-x:auto}.rt-premium-table{min-width:700px}}@media(max-width:640px){.rt-header-card{padding:.875rem;border-radius:16px}.rt-icon-wrapper{width:42px;height:42px}.rt-title-group .rt-title{font-size:18px}.rt-title-group .rt-subtitle{font-size:12px}.rt-premium-table th{padding:.875rem 1rem;font-size:11px}.rt-premium-table td{padding:.875rem 1rem}}@media(max-width:480px){.rt-header-card{padding:.75rem}.rt-icon-wrapper{width:38px;height:38px}.rt-title-group .rt-title{font-size:16px}.rt-title-group .rt-subtitle{font-size:11px}.rt-search-box input{padding:8px 12px 8px 38px;font-size:13px}.rt-premium-table th{padding:.75rem .875rem;font-size:10px}.rt-premium-table td{padding:.75rem .875rem;font-size:13px}.rt-identity-box{width:36px;height:36px}.rt-item-name{font-size:14px}.rt-type-badge{padding:3px 8px;font-size:10px}.rt-visibility-pill{padding:4px 10px;font-size:11px}.rt-tag-chip{padding:2px 6px;font-size:10px}.rt-icon-btn{width:32px;height:32px}.rt-btn-premium{padding:8px 16px;font-size:13px}}.hw-chat-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0009;display:flex;align-items:center;justify-content:center;z-index:9999;padding:0;margin:0}.hw-chat-modal{width:90vw;max-width:1200px;height:85vh;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 20px 60px #0000004d;background:var(--color-card);border:1px solid var(--color-border);display:flex;flex-direction:column}.hw-chat-modal .hw-modal-header{background:linear-gradient(135deg,var(--color-primary) 0%,#0d3870 100%);color:var(--color-text-inverse);padding:18px 24px;border-bottom:none;display:flex;align-items:center;justify-content:space-between}.hw-chat-modal .hw-modal-header h3{color:var(--color-text-inverse);font-size:var(--font-size-body);font-weight:600;margin:0;letter-spacing:-.2px}.hw-chat-modal .hw-modal-close{color:var(--color-text-inverse);opacity:.9;font-size:24px;transition:all .2s;background:#ffffff1a;border:none;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px}.hw-chat-modal .hw-modal-close:hover{opacity:1;background:#fff3}.hw-chat-body{display:grid;grid-template-columns:280px 1fr;height:calc(100% - 62px);overflow:hidden;background:var(--color-bg)}.hw-chat-members{background:var(--color-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden}.hw-chat-members h4{margin:0;padding:14px 16px;font-size:var(--font-size-caption);font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.8px;background:var(--color-bg);border-bottom:1px solid var(--color-border)}.hw-member-list{list-style:none;padding:8px;margin:0;overflow-y:auto;flex:1}.hw-member-list li{padding:10px 12px;margin-bottom:4px;border-radius:8px;cursor:pointer;transition:all .2s ease;background:transparent;border:1px solid transparent;position:relative}.hw-member-list li:hover{background:var(--color-bg);border-color:var(--color-border)}.hw-member-list li.active{background:rgba(var(--color-primary-rgb),.08);border-color:var(--color-primary)}.hw-member-list li.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--color-primary);border-radius:0 4px 4px 0}.member-info{display:flex;flex-direction:column;gap:4px}.member-name{font-weight:600;font-size:var(--font-size-secondary-text);color:var(--color-text-primary);display:flex;align-items:center;gap:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-badge{font-size:9px;padding:2px 6px;border-radius:10px;background:var(--color-success);color:#fff;font-weight:600;text-transform:uppercase;letter-spacing:.3px;flex-shrink:0}.member-role{font-size:var(--font-size-tiny);color:var(--color-text-secondary);text-transform:capitalize;font-weight:500}.member-comment-count{font-size:var(--font-size-tiny);color:var(--color-primary);font-weight:600}.hw-chat-comments{display:flex;flex-direction:column;background:var(--color-bg);overflow:hidden}.hw-chat-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--color-text-secondary);font-size:var(--font-size-body);gap:16px;padding:40px;text-align:center}.hw-chat-placeholder-icon{color:var(--color-border);opacity:.4}.hw-chat-empty{color:var(--color-text-secondary);font-size:var(--font-size-body);text-align:center;padding:60px 20px;display:flex;flex-direction:column;align-items:center;gap:12px}.hw-comments-header{padding:14px 20px;background:var(--color-card);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.hw-comments-header-info{display:flex;align-items:center;gap:12px}.hw-chat-back-btn{display:none;background:transparent;border:none;color:var(--color-primary);font-weight:600;cursor:pointer;padding:4px 8px;border-radius:4px;font-size:14px}.hw-chat-back-btn:hover{background:rgba(var(--color-primary-rgb),.05)}.hw-comments-header-info h5{margin:0;font-size:var(--font-size-body);font-weight:600;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hw-comments-header-info p{margin:4px 0 0;font-size:var(--font-size-caption);color:var(--color-text-secondary);font-weight:500}.hw-comments-list{flex:1;overflow-y:auto;padding:16px 20px;background:var(--color-bg);display:flex;flex-direction:column;gap:12px}.hw-comment{padding:12px 14px;background:var(--color-card);border-radius:10px;border:1px solid var(--color-border);box-shadow:0 1px 3px #0000000a;transition:all .2s ease}.hw-comment:hover{box-shadow:0 4px 12px rgba(var(--color-primary-rgb),.1);border-color:rgba(var(--color-primary-rgb),.2)}.comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:8px}.comment-author{font-weight:600;font-size:var(--font-size-secondary-text);color:var(--color-primary);display:flex;align-items:center;gap:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.comment-author-badge{font-size:9px;padding:3px 8px;border-radius:10px;background:var(--color-accent);color:#fff;font-weight:600;text-transform:uppercase;letter-spacing:.3px;flex-shrink:0}.comment-time{font-size:var(--font-size-tiny);color:var(--color-text-secondary);font-weight:500;white-space:nowrap;flex-shrink:0}.comment-text{margin:0;font-size:var(--font-size-body);color:var(--color-text-primary);line-height:1.5;word-wrap:break-word}.hw-comment-input{display:flex;gap:10px;padding:16px 20px;background:var(--color-card);border-top:1px solid var(--color-border)}.hw-comment-input input{flex:1;border:2px solid var(--color-border);border-radius:10px;padding:12px 16px;font-size:var(--font-size-body);font-family:var(--font-family);transition:all .2s ease;background:var(--color-bg);color:var(--color-text-primary)}.hw-comment-input input:focus{outline:none;border-color:var(--color-primary);background:var(--color-card);box-shadow:0 0 0 3px rgba(var(--color-primary-rgb),.08)}.hw-comment-input input::placeholder{color:var(--color-text-secondary);opacity:.5}.hw-comment-input button{padding:12px 20px;border-radius:10px;font-weight:600;font-size:var(--font-size-button);background:var(--color-primary);border:none;color:var(--color-text-inverse);cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px rgba(var(--color-primary-rgb),.25);display:flex;align-items:center;gap:6px;white-space:nowrap}.hw-comment-input button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px rgba(var(--color-primary-rgb),.35);background:#0d3870}.hw-comment-input button:active:not(:disabled){transform:translateY(0)}.hw-comment-input button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.hw-member-list::-webkit-scrollbar,.hw-comments-list::-webkit-scrollbar{width:6px}.hw-member-list::-webkit-scrollbar-track,.hw-comments-list::-webkit-scrollbar-track{background:transparent}.hw-member-list::-webkit-scrollbar-thumb,.hw-comments-list::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:10px}.hw-member-list::-webkit-scrollbar-thumb:hover,.hw-comments-list::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.hw-chat-error{padding:12px 20px;background:var(--color-error-bg);color:var(--color-error);border-bottom:1px solid var(--color-error);font-size:var(--font-size-secondary-text);display:flex;align-items:center;gap:8px;font-weight:500}.hw-chat-loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--color-text-secondary);font-size:var(--font-size-body)}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.hw-comment{animation:slideIn .3s ease}@media(max-width:1024px){.hw-chat-modal{width:90%;max-width:none;height:85vh}}@media(max-width:768px){.hw-chat-modal{width:95%;max-width:none;height:90vh}.hw-chat-body{grid-template-columns:1fr}.hw-chat-members.mobile-hidden,.hw-chat-comments.mobile-hidden{display:none}.hw-chat-back-btn{display:block}.hw-comments-header-info{gap:8px}.hw-comment-input{padding:12px 16px}.hw-comment-input button{padding:10px 16px}}.bubble-select-container{position:relative;width:100%}.bubble-label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.bubble-trigger{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#fff;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:all .2s ease;min-height:52px}.bubble-trigger:hover{border-color:#cbd5e1}.bubble-trigger.open{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.bubble-icon{color:#64748b;flex-shrink:0}.bubble-trigger.open .bubble-icon{color:#3b82f6}.bubble-value{flex:1;font-size:14px;font-weight:600;color:#0f172a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bubble-value.placeholder{color:#94a3b8;font-weight:500}.bubble-arrow{color:#64748b;transition:transform .2s ease;flex-shrink:0}.bubble-arrow.rotated{transform:rotate(180deg)}.bubble-trigger.open .bubble-arrow{color:#3b82f6}.bubble-dropdown{position:absolute;top:calc(100% + 8px);left:0;width:100%;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000000d;z-index:100;overflow:hidden;animation:bubbleSlideDown .2s ease-out}.bubble-search{padding:12px;border-bottom:1px solid #f1f5f9;background:#fafbfc}.bubble-search input{width:100%;padding:10px 12px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;outline:none;transition:border-color .2s;background:#fff}.bubble-search input:focus{border-color:#3b82f6}.bubble-options-list{max-height:240px;overflow-y:auto;padding:6px}.bubble-options-list::-webkit-scrollbar{width:6px}.bubble-option{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;font-size:14px;color:#334155;border-radius:8px;cursor:pointer;transition:all .15s ease;font-weight:500;margin-bottom:2px}.bubble-option:hover{background:#f8fafc;color:#0f172a}.bubble-option.selected{background:#eff6ff;color:#2563eb;font-weight:600}.bubble-option.selected svg{color:#2563eb}.bubble-no-options{padding:20px 12px;text-align:center;color:#94a3b8;font-size:14px}.disabled{opacity:.5;pointer-events:none;cursor:not-allowed}@keyframes bubbleSlideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}opacity: 1; transform: translateY(0) scale(1); } } .bubble-options-list::-webkit-scrollbar{width:6px}.bubble-options-list::-webkit-scrollbar-track{background:transparent}.bubble-options-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.bubble-options-list::-webkit-scrollbar-thumb:hover{background:#94a3b8}.profile-container{min-height:100vh;display:flex;flex-direction:column;gap:2rem}.profile-page-header{background:#fff;padding:1.5rem 2rem;border-radius:20px;box-shadow:0 4px 20px #0a2e5d0d;border:1px solid rgba(10,46,93,.05)}.header-content{display:flex;justify-content:space-between;align-items:center;width:100%}.header-main-info{display:flex;flex-direction:column}.page-title{font-size:28px;font-weight:800;color:var(--color-primary);margin:0;letter-spacing:-.02em}.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:#64748b;margin-top:4px;font-weight:500}.breadcrumb-item{transition:color .2s ease}.breadcrumb-separator{color:#cbd5e1}.breadcrumb-item.active{color:var(--color-accent);font-weight:700}.profile-hero-card{background:#fff;border-radius:24px;padding:2.5rem;box-shadow:0 4px 20px #0a2e5d0a;border:1px solid rgba(10,46,93,.05);display:flex;align-items:center;gap:3rem;position:relative;overflow:hidden}.profile-hero-card:after{content:"";position:absolute;top:0;right:0;width:300px;height:100%;background:linear-gradient(90deg,transparent,rgba(10,46,93,.02));pointer-events:none}.avatar-section{position:relative;display:flex;flex-direction:column;align-items:center;gap:1.25rem;z-index:1}.avatar-circle{width:160px;height:160px;border-radius:30px;background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);display:flex;align-items:center;justify-content:center;font-size:4rem;font-weight:800;color:#fff;border:4px solid white;box-shadow:0 10px 25px #0a2e5d26;overflow:hidden;transition:all .3s ease}.avatar-image{width:100%;height:100%;object-fit:cover}.avatar-actions{display:flex;gap:.5rem;position:absolute;bottom:-15px;background:#fff;padding:6px;border-radius:12px;box-shadow:0 4px 15px #0000001a}.avatar-upload-btn,.avatar-remove-btn{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:all .2s ease}.avatar-upload-btn{background:var(--color-primary);color:#fff}.avatar-remove-btn{background:#fee2e2;color:#ef4444}.avatar-upload-btn:hover{background:#1a4d8c;transform:scale(1.05)}.avatar-remove-btn:hover{background:#fecaca;transform:scale(1.05)}.profile-info-hero{flex:1}.profile-name{font-size:36px;font-weight:800;color:var(--color-primary);margin:0 0 .5rem;letter-spacing:-.02em}.profile-title-row{display:flex;align-items:center;gap:1.5rem;margin-bottom:1.25rem}.profile-role-badge{background:#0a2e5d0d;color:var(--color-primary);padding:6px 14px;border-radius:100px;font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px}.profile-position-text{color:#64748b;font-weight:600;font-size:16px}.status-badge{display:inline-flex;align-items:center;gap:.6rem;padding:6px 14px;border-radius:100px;font-size:13px;font-weight:700}.status-badge.active{background:#dcfce7;color:#16a34a}.status-badge.inactive{background:#fee2e2;color:#dc2626}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.active{background:#16a34a;box-shadow:0 0 8px #16a34a}.status-dot.inactive{background:#dc2626;box-shadow:0 0 8px #dc2626}.action-section{display:flex;gap:1rem}.btn-primary,.button-primary{background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);color:#fff;border:none;padding:.8rem 1.8rem;border-radius:14px;font-weight:700;font-size:15px;display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #0a2e5d40}.btn-primary:hover,.button-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0a2e5d4d}.btn-secondary{border:1px solid rgba(10,46,93,.1);padding:.8rem 1.8rem;border-radius:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:all .2s ease;background:#fff;color:var(--color-primary)}.btn-secondary:hover{background-color:#f1f5f9;transform:translateY(-2px);border-color:#0a2e5d33}.btn-secondary.cancel{border-color:#fee2e2;color:#ef4444}.btn-secondary.cancel:hover{background:#fff1f1}.btn-primary:disabled,.button-primary:disabled,.btn-secondary:disabled{opacity:.6;cursor:not-allowed;transform:none}.profile-content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.profile-card{background:#fff;border-radius:24px;padding:2rem;box-shadow:0 4px 15px #0a2e5d08;border:1px solid rgba(10,46,93,.05);transition:all .3s ease}.profile-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px #0a2e5d14}.card-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding-bottom:1.25rem;border-bottom:2.5px solid #f8fafc}.card-header svg{color:var(--color-primary);background:#0a2e5d0d;padding:10px;border-radius:14px}.section-title{font-size:1.25rem;font-weight:800;color:var(--color-primary);margin:0;letter-spacing:-.01em}.card-content{flex:1}.form-grid{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.6rem}.form-label{font-weight:700;color:#94a3b8;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;display:flex;align-items:center;gap:.5rem}.form-input{padding:14px 18px;border:2px solid var(--color-primary);border-radius:16px;font-size:15px;background:#fff;color:var(--color-primary);transition:all .3s ease;font-weight:600;box-shadow:0 2px 8px #0a2e5d0a}.form-input:focus{outline:none;border-color:var(--color-primary);background:#fff;box-shadow:0 0 0 4px #0a2e5d1f,0 4px 12px #0a2e5d14;transform:translateY(-1px)}.form-input:disabled{background:#f1f5f9;border-color:#e2e8f0;color:#64748b;cursor:not-allowed;font-weight:600;box-shadow:none}.form-value{padding:14px 18px;background:#f1f5f9;border:2px solid #e2e8f0;border-radius:16px;color:var(--color-primary);font-weight:700;font-size:15px;min-height:52px;display:flex;align-items:center}.email-display{color:var(--color-accent)}.loading{display:flex;flex-direction:column;justify-content:center;align-items:center;height:400px;gap:1rem;color:var(--color-primary);font-weight:700}.loading:after{content:"";width:40px;height:40px;border:4px solid rgba(10,46,93,.1);border-left-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}.loading-spinner{width:100%;height:100%;border-radius:30px;background:#e0e0e0;position:relative;overflow:hidden}.loading-spinner:after{content:"";position:absolute;inset:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:shimmer 1.4s infinite}@keyframes shimmer{to{transform:translate(100%)}}@media(max-width:1200px){.profile-container{padding:2rem}.profile-hero-card{padding:2rem;gap:2.5rem}}@media(max-width:1024px){.profile-content-grid{grid-template-columns:1fr;gap:1.5rem}.profile-name{font-size:32px}}@media(max-width:768px){.profile-container{padding:1.5rem;gap:1.5rem}.header-content{flex-direction:column;align-items:stretch;gap:1.25rem;text-align:left}.action-section{width:100%}.action-section button{flex:1;justify-content:center}.profile-hero-card{flex-direction:column;text-align:center;padding:2rem 1.5rem;gap:2rem}.profile-hero-card:after{display:none}.avatar-circle{width:140px;height:140px;font-size:3.5rem}.profile-title-row{justify-content:center;flex-wrap:wrap;gap:1rem}.profile-name{font-size:28px}.card-header{margin-bottom:1.5rem}.profile-card{padding:1.5rem}}@media(max-width:640px){.profile-container{padding:1rem}.profile-page-header{padding:1.25rem}.breadcrumb{display:none}.page-title{font-size:24px;text-align:center}.action-section{flex-direction:column}.profile-name{font-size:24px}.profile-title-row{flex-direction:column;gap:.75rem}.profile-role-badge{width:fit-content;margin:0 auto}}@media(max-width:480px){.profile-hero-card{padding:1.5rem 1rem}.avatar-circle{width:120px;height:120px;font-size:3rem;border-radius:24px}.form-value,.form-input{padding:12px 14px;font-size:14px}.section-title{font-size:1.1rem}.card-header svg{padding:8px;width:36px;height:36px}}.db-container{padding:2rem;margin:0 auto;animation:dbFadeIn .6s cubic-bezier(.16,1,.3,1)}@keyframes dbFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.db-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.db-title{font-size:2rem;font-weight:850;color:var(--color-primary);letter-spacing:-.03em;margin:0}.db-subtitle{color:var(--color-text-secondary);font-size:1rem;font-weight:500;margin-top:.25rem}.db-today-pill{background:#fff;border:1px solid var(--color-border);padding:.6rem 1.25rem;border-radius:100px;font-weight:700;color:var(--color-primary);cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #0a2e5d0a}.db-today-pill:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #0a2e5d1a}.db-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:3rem}.db-stat-card{background:#fff;padding:1.5rem;border-radius:28px;display:flex;align-items:center;gap:1.25rem;box-shadow:0 10px 30px #0a2e5d0a;border:1px solid rgba(10,46,93,.06);transition:all .3s cubic-bezier(.16,1,.3,1)}.db-stat-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #0a2e5d14}.db-stat-icon-wrapper{width:56px;height:56px;border-radius:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.db-stat-info{display:flex;flex-direction:column;gap:.3rem}.db-stat-label{font-size:.75rem;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-top:.2rem}.db-stat-value{font-size:1rem;font-weight:900;color:var(--color-primary)}.db-calendar-nav-horizontal{background:#fff;padding:1.25rem;border-radius:32px;display:flex;align-items:center;gap:1rem;box-shadow:0 10px 30px #0a2e5d0a;border:1px solid rgba(10,46,93,.06);margin-bottom:3rem}.db-nav-arrow{background:transparent!important;border:0!important;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--color-primary);cursor:pointer;transition:all .2s ease;outline:none;appearance:none;-webkit-appearance:none}.db-nav-arrow:hover{background:#f1f5f9}.db-days-container{flex:1;display:flex;justify-content:space-between;gap:.75rem}.db-day-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:1rem .5rem;border-radius:20px;border:0!important;background:transparent!important;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);position:relative;outline:none;appearance:none;-webkit-appearance:none}.db-day-item:hover:not(.db-day-active){background:#f8fafc}.db-day-item.db-day-is-today{background:#0a2e5d14}.db-day-item.db-day-is-today .db-day-label{color:var(--color-primary)}.db-day-item.db-day-is-today .db-day-date{color:var(--color-primary);font-weight:900}.db-day-item.db-day-active{background:var(--color-primary)!important;box-shadow:0 12px 24px #0a2e5d33;transform:scale(1.05)}.db-day-item.db-day-active .db-day-label,.db-day-item.db-day-active .db-day-date{color:#fff!important}.db-day-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);margin-bottom:.4rem}.db-day-date{font-size:1.25rem;font-weight:850;color:var(--color-primary)}.db-today-dot{position:absolute;top:8px;right:12px;width:6px;height:6px;background:#ef4444;border-radius:50%}.db-day-item.active .db-today-dot{background:#fff}.db-sessions-section-full{animation:dbSlideUp .6s cubic-bezier(.16,1,.3,1)}@keyframes dbSlideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.db-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding:0 .5rem}.db-section-title{font-size:1.5rem;font-weight:850;color:var(--color-primary);display:flex;align-items:center;gap:1rem}.db-count-badge{background:#e2e8f0;color:var(--color-primary);font-size:.9rem;padding:.25rem .75rem;border-radius:100px;font-weight:800}.db-date-indicator{display:flex;align-items:center;gap:.6rem;color:var(--color-text-secondary);font-weight:600;font-size:.95rem}.db-sessions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:2rem}.db-session-card-modern{background:#fff;border-radius:32px;position:relative;overflow:hidden;box-shadow:0 10px 40px #0a2e5d08;border:1px solid rgba(10,46,93,.05);transition:all .4s cubic-bezier(.16,1,.3,1)}.db-session-card-modern:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 25px 50px #0a2e5d14}.db-card-accent{height:6px;background:linear-gradient(to right,var(--color-primary),#3b82f6)}.db-card-content{padding:2rem}.db-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.db-session-time{display:flex;align-items:center;gap:.5rem;color:var(--color-text-secondary);font-size:.9rem;font-weight:700}.db-session-type{display:flex;align-items:center;gap:.4rem;font-size:.7rem;font-weight:800;text-transform:uppercase;padding:.4rem .8rem;border-radius:100px}.db-session-type.online{background:#ecfdf5;color:#059669}.db-session-type.offline{background:#fef2f2;color:#dc2626}.db-subject-title{font-size:1.4rem;font-weight:900;color:var(--color-primary);margin-bottom:1rem;line-height:1.2}.db-session-meta{display:flex;flex-direction:column;gap:.6rem;margin-bottom:2rem}.db-meta-item{display:flex;align-items:center;gap:.6rem;font-size:.9rem;color:var(--color-text-secondary);font-weight:500}.db-card-actions{display:flex;gap:1rem}.db-action-btn{flex:1;border:none;padding:1rem;border-radius:18px;font-size:.9rem;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.6rem;transition:all .2s ease;text-decoration:none}.db-action-btn.primary-btn{background:var(--color-primary);color:#fff;margin:10px 0;width:100%}.dashboard-attendance-btn:hover,.dashboard-session-a:hover{background-image:linear-gradient(to right,#01011e 10%,#6e1111 80%)}.db-action-btn.secondary{background:#f1f5f9;color:var(--color-primary)}.db-action-btn.secondary:hover{background:#e2e8f0}.db-action-btn:disabled{opacity:.6;cursor:not-allowed;pointer-events:none}.db-btn-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-left-color:currentColor;border-radius:50%;animation:db-spin .8s linear infinite}@keyframes db-spin{to{transform:rotate(360deg)}}.db-status-tag{position:absolute;top:0;right:0;padding:.6rem 1.25rem;border-bottom-left-radius:20px;font-size:.7rem;font-weight:950;text-transform:uppercase;color:#fff}.db-status-tag.Present{background:#10b981}.db-status-tag.Late{background:#f59e0b}.db-status-tag.Excused{background:#6366f1}.db-empty-state{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6rem 2rem;background:#fff;border-radius:32px;border:1px dashed rgba(10,46,93,.15);text-align:center}.db-empty-art{width:120px;height:120px;background:#f8fafc;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#0a2e5d1a;margin-bottom:2rem}.db-empty-state h4{font-size:1.5rem;font-weight:850;color:var(--color-primary);margin-bottom:.5rem}.db-empty-state p{color:var(--color-text-secondary);font-weight:500}.db-glass-modal-overlay{position:fixed;inset:0;background:#0a2e5d66;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10000;display:flex;align-items:center;justify-content:center;padding:1.5rem;animation:dbModalFade .3s cubic-bezier(.16,1,.3,1)}@keyframes dbModalFade{0%{opacity:0;-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px)}to{opacity:1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}}.db-glass-modal{background:#ffffffe6;width:100%;max-width:500px;border-radius:40px;padding:2.5rem;box-shadow:0 40px 100px #00000026;border:1px solid rgba(255,255,255,.5)}.db-modal-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.db-modal-top h3{font-size:1.6rem;font-weight:900;color:var(--color-primary)}.db-close-circle{width:44px;height:44px;border-radius:50%;background:#f1f5f9;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.db-close-circle:hover{background:#e2e8f0;transform:rotate(90deg)}.db-modal-target{display:flex;align-items:center;gap:1.25rem;background:#f8fafc;padding:1.5rem;border-radius:24px;margin-bottom:2rem}.db-target-avatar{width:56px;height:56px;background:var(--color-primary);color:#fff;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:900}.db-target-details h4{font-size:1.1rem;font-weight:850;color:var(--color-primary)}.db-target-details p{font-size:.9rem;color:var(--color-text-secondary)}.db-status-grid-modal{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2.5rem}.db-status-pill{padding:1.25rem;border-radius:20px;border:2.5px solid #f1f5f9;background:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .2s ease}.db-status-pill.active{border-color:var(--color-primary);background:#f0f4ff}.db-status-label{font-size:.95rem;font-weight:750}.db-modal-footer-btns{display:flex;align-items:center;justify-content:space-between}.db-cancel-link{background:none;border:none;font-weight:700;color:var(--color-text-secondary);cursor:pointer}.db-save-solid{background:var(--color-primary);color:#fff;border:none;padding:1rem 2.5rem;border-radius:18px;font-weight:800;cursor:pointer;box-shadow:0 10px 20px #0a2e5d33}.db-loading-wrap{grid-column:1 / -1;display:flex;justify-content:center;padding:4rem}.db-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid var(--color-primary);border-radius:50%;animation:dbSpin 1s linear infinite}@keyframes dbSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:1200px){.db-stats-grid{grid-template-columns:repeat(2,1fr)}.db-sessions-grid{grid-template-columns:1fr}}@media(max-width:768px){.db-container{padding:1rem}.db-stats-grid{grid-template-columns:1fr;gap:1rem}.db-days-container{overflow-x:auto;padding-bottom:.5rem;justify-content:flex-start}.db-day-item{flex:0 0 70px}.db-title{font-size:1.5rem}.db-status-grid-modal{grid-template-columns:1fr}.db-glass-modal{border-radius:30px 30px 0 0;position:fixed;bottom:0;margin-bottom:0}}.at-modal-overlay{position:fixed;inset:0;background:#0a2e5d66;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:9999;display:flex;align-items:center;justify-content:center;padding:1.5rem}.at-modal-container{background:#fff;width:100%;max-width:900px;border-radius:32px;display:flex;flex-direction:column;max-height:90vh;box-shadow:0 40px 100px #0003;animation:atModalIn .3s cubic-bezier(.16,1,.3,1)}@keyframes atModalIn{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.at-modal-header{padding:2rem 2.5rem;border-bottom:1px solid #f1f5f9;display:flex;justify-content:space-between;align-items:flex-start}.at-modal-header h2{font-size:1.6rem;font-weight:850;color:var(--color-primary);margin-bottom:.25rem}.at-session-meta{font-size:.95rem;color:var(--color-text-secondary);font-weight:500}.at-close-btn{background:#f1f5f9;border:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--color-text-secondary)}.at-modal-body{padding:2rem 2.5rem;flex:1;overflow-y:auto}.at-stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;background:#f8fafc;padding:1.5rem;border-radius:24px;margin-bottom:2rem;border:1px solid #f1f5f9}.at-stat-item{background:#fff;padding:1rem 1.25rem;border-radius:16px;display:flex;flex-direction:column;gap:.25rem;border-left:4px solid #cbd5e1;box-shadow:0 4px 12px #00000005}.at-stat-item.present{border-left-color:#0d9488}.at-stat-item.absent{border-left-color:#ef4444}.at-stat-item.late{border-left-color:#f59e0b}.at-stat-item.excused{border-left-color:#64748b}.at-stat-label{font-size:.65rem;font-weight:800;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em}.at-stat-value{font-size:1.25rem;font-weight:900;color:var(--color-primary)}.at-stat-value small{font-size:.8rem;color:var(--color-text-secondary);font-weight:600}.at-search-row{margin-bottom:2rem}.at-search-box{background:#f1f5f9;border-radius:16px;padding:0 1.25rem;display:flex;align-items:center;gap:.75rem;color:var(--color-text-secondary);border:2px solid transparent;transition:all .2s ease}.at-search-box:focus-within{background:#fff;border-color:var(--color-primary);box-shadow:0 4px 12px #0a2e5d0d}.at-search-box input{flex:1;background:transparent;border:none;height:48px;font-size:.95rem;font-weight:500;outline:none}.at-student-list{display:flex;flex-direction:column;gap:.75rem}.at-student-row{background:#fff;padding:1.25rem 1.5rem;border-radius:24px;border:1px solid #f1f5f9;display:flex;align-items:center;justify-content:space-between;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 12px #0a2e5d05}.at-student-row:hover{border-color:#0a2e5d1a;box-shadow:0 4px 12px #00000008}.at-student-info{display:flex;align-items:center;gap:1rem;flex:1}.at-student-avatar{width:44px;height:44px;background:#0a2e5d;color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:750;font-size:.95rem;flex-shrink:0}.at-student-details{display:flex;flex-direction:column}.at-student-name{font-size:1.1rem;font-weight:750;color:#0a2e5d}.at-student-email{font-size:.8rem;color:var(--color-text-secondary)}.at-status-pills{background:#f1f5f9;padding:.35rem;border-radius:12px;display:flex;gap:.25rem;border:4px solid #f1f5f9}.at-status-pill{border:none;background:transparent;padding:.65rem 1.15rem;border-radius:10px;font-size:.85rem;font-weight:750;color:#64748b;cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1);white-space:nowrap}.at-status-pill.active{background:#fff!important;box-shadow:0 8px 16px #0a2e5d0f;transform:translateY(-1px)}.at-status-pill.active.present{color:#0d9488}.at-status-pill.active.absent{color:#ef4444!important}.at-status-pill.active.late{color:#f59e0b!important}.at-status-pill.active.excused{color:#64748b}.at-status-pill:hover:not(.active):not(.disabled){color:var(--color-primary)}.at-status-pill.disabled{cursor:not-allowed;opacity:.5}.at-empty-students{text-align:center;padding:3rem;color:var(--color-text-secondary);font-weight:500;background:#f8fafc;border-radius:20px;border:1px dashed var(--color-border)}.at-reason-indicator{margin-left:1rem;color:#3b82f6;background:#eff6ff;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center}.at-summary-view{padding:4rem 0;text-align:center}.at-summary-placeholder{display:flex;flex-direction:column;align-items:center;gap:1rem;color:#10b981}.at-summary-placeholder h3{font-size:1.5rem;font-weight:850;color:var(--color-primary)}.at-summary-placeholder p{color:var(--color-text-secondary);max-width:300px}.at-summary-view-mini{margin-top:1.5rem;padding:1rem;background:#f0fdf4;color:#166534;border-radius:16px;text-align:center;font-size:.9rem;font-weight:600;border:1px solid #bbf7d0}.at-modal-footer{padding:2rem 2.5rem;border-top:1px solid #f1f5f9;display:flex;justify-content:flex-end;gap:1rem}.at-cancel-btn{background:#fff;border:1px solid var(--color-border);padding:.85rem 2.5rem;border-radius:16px;font-weight:750;color:var(--color-primary);cursor:pointer}.at-save-btn{background:var(--color-primary);border:none;padding:.85rem 3rem;border-radius:16px;font-weight:800;color:#fff;cursor:pointer;box-shadow:0 10px 20px #0a2e5d33}.re-modal-overlay{position:fixed;inset:0;background:#0a2e5d80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10000;display:flex;align-items:center;justify-content:center;padding:1.5rem}.re-modal-container{background:#fff;width:90%;max-width:380px;border-radius:24px;padding:1.75rem;box-shadow:0 40px 100px #0a2e5d40;animation:modalPop .3s cubic-bezier(.16,1,.3,1)}@keyframes modalPop{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.re-modal-header{display:flex;justify-content:space-between;margin-bottom:2rem}.re-modal-header h2{font-size:1.4rem;font-weight:850;color:var(--color-primary)}.re-modal-header p{font-size:.95rem;color:var(--color-text-secondary);font-weight:600}.re-close-btn{background:#f1f5f9;border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.re-modal-body textarea{width:90%;height:100px;border-radius:12px;background:#f8fafc;border:1px solid #f1f5f9;padding:1.5rem;font-size:1rem;font-weight:500;outline:none;resize:none;transition:all .2s ease}.re-modal-body textarea:focus{border-color:#3b82f6;background:#fff;box-shadow:0 4px 12px #3b82f60d}.re-modal-footer{margin-top:2rem;display:flex;gap:1rem}.re-cancel-btn{flex:1;padding:1rem;border-radius:14px;border:1px solid var(--color-border);background:#fff;font-weight:750;cursor:pointer}.re-save-btn{flex:1;padding:1rem;border-radius:14px;border:none;background:var(--color-primary);color:#fff;font-weight:800;cursor:pointer}@media(max-width:768px){.at-stats-bar{grid-template-columns:1fr 1fr}.at-student-row{flex-direction:column;align-items:flex-start;gap:1rem}.at-status-pills{width:100%;justify-content:space-between}.at-status-pill{flex:1;padding:.6rem .5rem;font-size:.75rem}.at-modal-container{border-radius:0;max-height:100vh}}.group-details-container{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);min-height:100vh;padding:0}.group-header-section{background-color:var(--color-card);border-bottom:1px solid var(--color-border);padding:1.5rem 2.5rem;display:flex;align-items:center;gap:1.5rem}.back-to-groups-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1rem;border-radius:var(--radius-md);border:none;background-color:var(--color-text-secondary);color:var(--color-text-inverse);font-size:var(--font-size-button);font-weight:500;cursor:pointer;transition:all .2s ease}.back-to-groups-btn:hover{background-color:var(--color-text-primary);transform:translate(-2px)}.group-title-info{display:flex;flex-direction:column;gap:.5rem}.group-page-title{font-size:1.25rem;font-weight:700;color:var(--color-text-primary);margin:0;letter-spacing:-.02em}.group-meta-info{font-size:var(--font-size-secondary-text);color:var(--color-text-secondary);margin:0}.group-tabs{display:flex;padding:0 1.5rem;background:#f8fafc;overflow-x:auto;scrollbar-width:none;border-bottom:none;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.group-tabs::-webkit-scrollbar{display:none}.group-tab-btn{display:flex;align-items:center;gap:8px;padding:1.25rem 1.5rem;background:none;border:none;border-bottom:3px solid transparent;color:#64748b;font-weight:700;font-size:14px;cursor:pointer;transition:all .3s ease;white-space:nowrap;position:relative}.group-tab-btn:hover{color:#0a2e5d;background:#0a2e5d05}.group-tab-btn.active{color:#0a2e5d;border-bottom-color:#e0591e;background:#fff}.group-tab-btn svg{transition:transform .3s ease}.group-tab-btn.active svg{color:#e0591e;transform:scale(1.1)}.group-tab-content{padding:2.5rem;max-width:1400px;margin:0 auto;animation:fadeIn .3s ease}.tab-section{background-color:var(--color-card);border-radius:var(--radius-lg);padding:2rem;box-shadow:0 1px 3px #0000000d}.section-header-with-action{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.section-title{font-size:var(--font-size-h2);font-weight:700;color:var(--color-text-primary);margin:0;display:flex;align-items:center;gap:.75rem}.count-badge{font-size:var(--font-size-secondary-text);font-weight:500;color:var(--color-text-secondary)}.add-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);border:none;background-color:#10b981;color:#fff;font-size:var(--font-size-button);font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #10b98133}.add-btn:hover{background-color:#059669;transform:translateY(-1px);box-shadow:0 4px 8px #10b9814d}.students-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}.student-card{display:flex;align-items:center;gap:1rem;padding:1.25rem;background-color:var(--color-bg);border:1.5px solid var(--color-border);border-radius:var(--radius-lg);transition:all .2s ease;cursor:pointer}.student-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014;border-color:var(--color-accent)}.student-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.125rem;flex-shrink:0;text-transform:uppercase}.student-info{flex:1;min-width:0}.student-name{font-weight:600;color:var(--color-text-primary);margin:0 0 .25rem;font-size:var(--font-size-primary-text)}.student-email{font-size:var(--font-size-secondary-text);color:var(--color-text-secondary);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-state-section{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem 2rem;text-align:center}.empty-icon{color:#9ca3af;margin-bottom:1.5rem;opacity:.6}.empty-state-section h3{font-size:var(--font-size-h2);font-weight:700;color:var(--color-text-primary);margin:0 0 .75rem}.empty-state-section p{font-size:var(--font-size-primary-text);color:var(--color-text-secondary);margin:0 0 2rem;max-width:400px}.add-first-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 2rem;border-radius:var(--radius-md);border:none;background-color:#10b981;color:#fff;font-size:var(--font-size-button);font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #10b98140}.add-first-btn:hover{background-color:#059669;transform:translateY(-2px);box-shadow:0 6px 16px #10b98159}.subjects-list{display:flex;flex-direction:column;gap:1rem}.subject-item{display:flex;align-items:center;gap:1.25rem;padding:1.5rem;background-color:var(--color-bg);border:1.5px solid var(--color-border);border-radius:var(--radius-lg);transition:all .2s ease;cursor:pointer}.subject-item:hover{transform:translate(4px);box-shadow:0 4px 12px #00000014;border-color:var(--color-accent)}.subject-icon{width:56px;height:56px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.5rem;flex-shrink:0;text-transform:uppercase}.subject-details{flex:1}.subject-details h3{font-size:var(--font-size-h3);font-weight:600;color:var(--color-text-primary);margin:0 0 .5rem}.subject-details p{font-size:var(--font-size-secondary-text);color:var(--color-text-secondary);margin:0}.attendance-container{display:flex;flex-direction:column;gap:2rem}.attendance-header{display:flex;justify-content:space-between;align-items:center;padding:2.5rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:24px;border:1px solid #e2e8f0}.attendance-header-left h3{font-size:1.5rem;font-weight:800;color:var(--color-primary);margin:.5rem 0}.attendance-header-left p{color:var(--color-text-secondary);font-size:.95rem;margin:0}.attendance-header-right{display:flex;gap:1.5rem}.attendance-header-right-blocks{background:#fff;padding:1.25rem 2rem;border-radius:20px;box-shadow:0 4px 6px -1px #0000000d;text-align:center;border:1px solid #f1f5f9}.attendance-header-right-blocks p{font-size:.75rem;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.attendance-header-right-blocks h4{font-size:1.5rem;font-weight:900;color:var(--color-primary);margin:0}.attendance-list-ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;list-style:none;padding:0;margin:0}.attendance-list-item{background:#fff;border-radius:24px;border:1px solid #f1f5f9;padding:1.75rem;display:flex;flex-direction:column;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 6px -1px #0000000d;position:relative;overflow:hidden}.attendance-list-item:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px #0000000d;border-color:#cbd5e1}.attendance-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.attendance-date-badge{display:flex;align-items:center;gap:.5rem;background:#f1f5f9;padding:.5rem .85rem;border-radius:12px;font-size:.85rem;font-weight:700;color:var(--color-primary)}.attendance-session-id{font-size:.75rem;font-weight:600;color:var(--color-text-secondary);background:#f8fafc;padding:.35rem .75rem;border-radius:99px}.attendance-card-body{display:flex;flex-direction:column;gap:1.25rem;margin-bottom:2rem}.attendance-info-row{display:flex;gap:1rem;align-items:flex-start}.info-icon{color:#64748b;margin-top:2px}.info-label{font-size:.7rem;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.025em;margin:0 0 .25rem}.info-value{font-size:1rem;font-weight:700;color:var(--color-primary);margin:0}.attendance-card-btn{width:100%;padding:1rem;border-radius:16px;border:none;background:var(--color-primary);color:#fff;font-weight:800;font-size:.95rem;cursor:pointer;transition:all .2s ease;margin-top:auto;box-shadow:0 4px 6px -1px #0a2e5d1a;background-image:linear-gradient(to right,#2c2c6c 10%,#af5050 80%)}.attendance-card-btn:hover{background-image:linear-gradient(to right,#01011e 10%,#6e1111 80%);transform:translateY(-1px)}.group-details-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem 2rem;gap:1rem}.spinner{width:48px;height:48px;border:4px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin 1s linear infinite}.group-details-loading p{font-size:var(--font-size-primary-text);color:var(--color-text-secondary)}.group-details-error{text-align:center;padding:5rem 2rem;font-size:var(--font-size-primary-text);color:var(--color-text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.group-header-section,.group-tabs,.group-tab-content{padding-left:1.5rem;padding-right:1.5rem}.group-page-title{font-size:1.5rem}.students-grid{grid-template-columns:1fr}.section-header-with-action{flex-direction:column;align-items:flex-start}.add-btn{width:100%;justify-content:center}.group-tabs{padding:0 1rem}.group-tab-btn{padding:.875rem 1rem;font-size:.875rem}}.attendance-list{font-size:.5rem}.table-card{background:#fff;border-radius:12px;border:1px solid #e6e9f0;overflow:hidden;margin-top:30px}.teachers-table{width:100%;border-collapse:collapse}.teachers-table th{text-align:left;padding:14px;font-weight:600;color:#101317;background:#f9fafb}.teachers-table td{padding:14px;border-top:1px solid #eef1f6}.teacher-name{font-weight:700}.teacher-email{color:#4b5563}.subject-tags{display:flex;gap:8px;flex-wrap:wrap}.subject-pill{background:#f3e8ff;color:#6b21a8;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:500}.no-subject{color:#9ca3af}.chat-icon-wrapper{position:relative;display:inline-flex;margin-left:10px;cursor:pointer}.chat-icon{color:#6b7280;transition:color .2s ease}.chat-icon-wrapper:hover .chat-icon{color:#2563eb}.chat-tooltip{position:absolute;bottom:-32px;right:-8px;background:#111827;color:#fff;font-size:12px;padding:6px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transform:translateY(-4px);transition:opacity .2s ease,transform .2s ease;z-index:2000}.chat-icon-wrapper:hover .chat-tooltip{opacity:1;transform:translate(50px,-50px)}.grp-timetable-container{position:relative;width:100%;display:flex;flex-direction:column;gap:1.5rem}.grp-timetable-loading-overlay{position:fixed;inset:0;background:#ffffffe6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999}.grp-timetable-spinner{width:48px;height:48px;border:4px solid #e2e8f0;border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.timetable-navigation{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:1.5rem;background:#fff;border:1px solid #e2e8f0;border-radius:12px}.timetable-nav-btn{width:44px;height:44px;border-radius:10px;border:1px solid #e2e8f0;background:#fff;color:#64748b;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);flex-shrink:0}.timetable-nav-btn:hover:not(:disabled){background:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:scale(1.05)}.timetable-nav-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.timetable-week-info{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;font-size:1.125rem;font-weight:700;color:#1e293b}.timetable-week-info svg{color:var(--color-primary);flex-shrink:0}.grp-timetable-wrapper{background:#fff;border:1px solid #e2e8f0;border-radius:12px;overflow-x:auto}.grp-timetable-table{width:100%;border-collapse:collapse;min-width:1200px}.grp-timetable-table thead{background:#f8fafc;border-bottom:2px solid #e2e8f0}.grp-timetable-table thead th{padding:1rem;text-align:center;font-size:.75rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.05em;vertical-align:middle}.grp-timetable-time-header{position:sticky;left:0;background:#f8fafc;z-index:10;border-right:2px solid #e2e8f0;text-align:left!important;padding-left:1rem!important;width:140px;min-width:140px}.grp-timetable-time-header>div{display:flex;align-items:center;gap:.5rem;justify-content:flex-start}.grp-timetable-time-header span{flex-shrink:0}.grp-timetable-day-header{min-width:150px}.grp-timetable-day-header.today{background:#dbeafe;position:relative}.grp-timetable-day-header.today:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--color-primary)}.grp-timetable-day-header .day-name{display:block;font-size:.875rem;font-weight:700;color:#1e293b;margin-bottom:.25rem}.grp-timetable-day-header .day-date{display:block;font-size:.75rem;font-weight:500;color:#94a3b8;text-transform:none}.grp-timetable-table tbody tr{border-bottom:1px solid #f1f5f9;transition:background-color .2s cubic-bezier(.4,0,.2,1)}.grp-timetable-table tbody tr:last-child{border-bottom:none}.grp-timetable-table tbody tr:hover{background:#f8fafc}.grp-timetable-table tbody td{padding:1rem;font-size:.875rem;color:#475569;vertical-align:top;text-align:center}.grp-timetable-time-cell{position:sticky;left:0;background:#fff;z-index:5;border-right:2px solid #f1f5f9;text-align:left!important;font-weight:600;color:#475569;padding-left:1rem!important;height:100%;width:140px;min-width:140px}.grp-timetable-time-cell>div{display:flex;align-items:center;justify-content:flex-start;gap:.5rem;height:100%}.grp-timetable-table tbody tr:hover .grp-timetable-time-cell{background:#f8fafc}.grp-timetable-empty-cell{background:#fafafa;border-right:1px solid #f1f5f9}.grp-timetable-break-cell{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #fbbf24;border-right:1px solid #f1f5f9}.break-content{display:flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;color:#d97706;font-size:.875rem}.break-content svg{flex-shrink:0}.grp-timetable-session-cell{padding:.75rem!important;border-right:1px solid #f1f5f9}.grp-timetable-session-card{display:flex;flex-direction:column;gap:.5rem;padding:1rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;text-align:left;transition:all .2s cubic-bezier(.4,0,.2,1)}.grp-timetable-session-card:hover{background:#fff;border-color:var(--color-primary);box-shadow:0 4px 12px #0a2e5d26;transform:translateY(-1px)}.session-header{display:flex;align-items:center;gap:.5rem;padding-bottom:.5rem;border-bottom:1px solid #e2e8f0}.session-header svg{color:var(--color-primary);flex-shrink:0}.session-subject{font-weight:700;font-size:.9375rem;color:#1e293b;line-height:1.3;flex:1}.session-teacher{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:#64748b}.session-teacher svg{flex-shrink:0;color:#94a3b8}.session-topic{display:flex;flex-direction:column;gap:.25rem;padding:.5rem;background:#f1f5f9;border-left:3px solid var(--color-primary);border-radius:4px;font-size:.8125rem}.topic-label{font-size:.6875rem;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.05em}.topic-name{font-weight:600;color:#1e293b;line-height:1.3}.session-module{display:inline-flex;align-items:center;padding:.375rem .625rem;border-radius:6px;font-size:.75rem;font-weight:700;background:#dbeafe;color:#2563eb;align-self:flex-start}.session-actions{display:flex;flex-direction:row;gap:.5rem;margin-top:.5rem;padding-top:0}.session-action-btn{display:flex;align-items:center;justify-content:center;gap:.25rem;padding:.5rem;border:none;border-radius:8px;font-size:0;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);flex:1}.session-action-btn svg{flex-shrink:0;width:18px;height:18px}.attendance-btn{background:#dcfce7;color:#16a34a;border:1px solid #16a34a}.attendance-btn:hover{background:#16a34a;color:#fff;transform:translateY(-1px);box-shadow:0 4px 8px #16a34a4d}.recordings-btn{background:#fef3c7;color:#d97706;border:1px solid #d97706}.recordings-btn:hover{background:#d97706;color:#fff;transform:translateY(-1px);box-shadow:0 4px 8px #d977064d}.join-btn{background:var(--color-primary);color:#fff;border:1px solid var(--color-primary)}.join-btn:hover:not(:disabled){background:#1a4d8c;transform:translateY(-1px);box-shadow:0 4px 8px #0a2e5d4d}.join-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.btn-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.recordings-modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease}.recordings-modal-content{background:#fff;border-radius:12px;width:90%;max-width:700px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d}.recordings-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid #e2e8f0}.recordings-modal-header h3{font-size:1.25rem;font-weight:700;color:#1e293b;margin:0}.recordings-close-btn{width:36px;height:36px;border-radius:8px;border:none;background:#f1f5f9;color:#64748b;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.recordings-close-btn:hover{background:#e2e8f0;color:#1e293b}.recordings-modal-body{padding:1.5rem;overflow-y:auto}.recordings-loading{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem;color:#64748b}.recordings-spinner{width:40px;height:40px;border:3px solid #e2e8f0;border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.recordings-empty{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem 2rem;color:#94a3b8}.recordings-empty svg{color:#cbd5e1}.recordings-list{display:flex;flex-direction:column;gap:1rem}.recording-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;transition:all .2s}.recording-item:hover{background:#fff;border-color:var(--color-primary);box-shadow:0 2px 8px #0a2e5d1a}.recording-info{display:flex;align-items:center;gap:1rem;flex:1}.recording-info svg{color:var(--color-primary);flex-shrink:0}.recording-details h4{font-size:.9375rem;font-weight:600;color:#1e293b;margin:0 0 .25rem}.recording-date{font-size:.8125rem;color:#64748b;margin:0}.recording-actions{display:flex;gap:.5rem}.recording-play-btn,.recording-download-btn{display:flex;align-items:center;gap:.375rem;padding:.5rem .75rem;border-radius:8px;font-size:.8125rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}.recording-play-btn{background:var(--color-primary);color:#fff;border:none}.recording-play-btn:hover{background:#1a4d8c;transform:translateY(-1px);box-shadow:0 4px 8px #0a2e5d4d}.recording-download-btn{background:#fff;color:#64748b;border:1px solid #e2e8f0}.recording-download-btn:hover{background:#f8fafc;color:var(--color-primary);border-color:var(--color-primary);transform:translateY(-1px)}@media(max-width:1024px){.timetable-navigation{padding:1rem}.timetable-week-info{font-size:1rem}.grp-timetable-table{min-width:1000px}.grp-timetable-day-header{min-width:150px}}@media(max-width:768px){.timetable-navigation{flex-direction:column;gap:1rem}.timetable-nav-btn{width:40px;height:40px}.timetable-week-info{width:100%}.grp-timetable-table thead th{padding:.75rem .5rem;font-size:.6875rem}.grp-timetable-table tbody td{padding:.75rem .5rem}.grp-timetable-session-card{padding:.75rem;min-height:100px}.session-subject{font-size:.875rem}.session-teacher{font-size:.75rem}.grp-timetable-day-header{min-width:120px}}@media(max-width:640px){.grp-timetable-table{min-width:800px}.timetable-week-info{font-size:.875rem;flex-wrap:wrap;justify-content:center}.grp-timetable-session-card{padding:.625rem;gap:.375rem}}.ht-homework-container{display:flex;flex-direction:column;gap:24px;min-height:100vh;width:100%;flex:1;box-sizing:border-box}.ht-header-card{background:#fff;border-radius:20px;padding:36px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;position:relative;overflow:hidden;flex-wrap:wrap;gap:24px;border:1px solid #e5e7eb}.ht-header-info{display:flex;align-items:center;gap:20px;position:relative;z-index:2;min-width:200px}.ht-icon-wrapper{width:56px;height:56px;background:#f3f4f6;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#3b82f6;box-shadow:0 2px 4px #0000000d}.ht-title-group{display:flex;flex-direction:column;gap:4px}.ht-title{font-size:28px;font-weight:700;color:#111827;margin:0;letter-spacing:-.5px}.ht-subtitle{font-size:14px;color:#6b7280;margin:0;font-weight:500}.ht-header-actions{display:flex;gap:12px;align-items:center;z-index:2;flex-shrink:0}.ht-search-box{position:relative;width:240px;flex-shrink:0}.ht-search-box input{padding:10px 16px 10px 42px;border-radius:12px;border:2px solid #f1f5f9;background:#f8fafc;color:#0a2e5d;font-size:14px;outline:none;transition:all .3s ease;font-weight:500}.ht-search-box input::placeholder{color:#94a3b8}.ht-search-box input:focus{background:#fff;border-color:#0a2e5d;box-shadow:0 0 0 4px #0a2e5d0d}.ht-search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#9ca3af;pointer-events:none}.ht-btn-premium{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;background:linear-gradient(135deg,#0a2e5d,#1a4d8c);color:#fff;font-weight:700;font-size:14px;border:none;cursor:pointer;box-shadow:0 4px 12px #0a2e5d33;transition:all .3s ease;flex-shrink:0}.ht-btn-premium:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0a2e5d4d}.ht-btn-premium:active{transform:translateY(0)}.ht-table-card{background:#fff;border-radius:20px;box-shadow:0 10px 40px #00000014,0 4px 12px #0000000d;overflow:hidden;position:relative;border:1px solid rgba(226,232,240,.5)}.ht-table-wrapper{overflow-x:auto}.ht-premium-table{width:100%;border-collapse:collapse}.ht-premium-table th{padding:20px 28px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;color:#64748b;background:#f8fafc;border-bottom:2px solid #e2e8f0;letter-spacing:1px}.ht-premium-table td{padding:20px 28px;vertical-align:middle;border-bottom:1px solid #f1f5f9;font-size:14px;color:#334155;transition:all .2s ease}.ht-premium-table tr:hover td{background:linear-gradient(to right,#f8fafc,#fff);transform:scale(1.001)}.ht-text-right{text-align:right}.ht-item-identity{display:flex;align-items:center;gap:16px}.ht-identity-box{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;color:#fff;box-shadow:0 4px 12px #0000001a;transition:all .3s ease}.ht-premium-table tr:hover .ht-identity-box{transform:scale(1.1) rotate(5deg)}.type-homework{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.type-assignment{background:linear-gradient(135deg,#10b981,#047857)}.type-quiz{background:linear-gradient(135deg,#f59e0b,#b45309)}.type-project{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}.type-exam{background:linear-gradient(135deg,#ef4444,#b91c1c)}.ht-identity-text{display:flex;flex-direction:column;gap:2px}.ht-item-name{font-weight:600;color:#0f172a;font-size:15px}.ht-item-sub{font-size:12px;color:#64748b;display:flex;align-items:center;gap:4px}.ht-status-pill{padding:7px 14px;border-radius:20px;font-size:12px;font-weight:700;text-transform:capitalize;display:inline-flex;align-items:center;gap:6px;box-shadow:0 2px 4px #0000000d}.ht-status-pill.active,.ht-status-pill.ht-active{background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#1e40af}.ht-status-pill.submitted{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e}.ht-status-pill.graded{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}.ht-status-pill.past-due,.ht-status-pill.ht-past-due{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#991b1b}.ht-date-wrapper{display:flex;align-items:center;gap:8px;color:#475569;font-weight:600;font-size:13px}.ht-date-wrapper.past-due,.ht-date-wrapper.ht-past-due{color:#dc2626;font-weight:700}.ht-subject-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);border-radius:10px;color:#475569;font-size:13px;font-weight:600;box-shadow:0 2px 4px #0000000d;transition:all .2s ease}.ht-premium-table tr:hover .ht-subject-chip{background:linear-gradient(135deg,#e2e8f0,#cbd5e1);transform:scale(1.05)}.ht-action-group{display:flex;gap:8px;justify-content:flex-end}.ht-icon-btn{width:38px;height:38px;border-radius:10px;border:2px solid #e2e8f0;background:#fff;color:#64748b;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0000000d}.ht-icon-btn:hover{background:#f8fafc;color:#0f172a;border-color:#cbd5e1;transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.ht-icon-btn.edit:hover{background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#2563eb;border-color:#93c5fd}.ht-icon-btn.view:hover{background:linear-gradient(135deg,#ecfdf5,#d1fae5);color:#059669;border-color:#86efac}.ht-icon-btn.chat:hover{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#d97706;border-color:#fbbf24}.premium-empty-state{padding:80px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;color:#94a3b8}.premium-empty-state h3{margin:20px 0 8px;color:#0f172a;font-size:20px}.premium-empty-state button{margin-top:24px}.ht-modal-overlay{position:fixed;inset:0;width:100vw;height:100vh;background:#0f172abf;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:999999!important;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .25s ease-out;overscroll-behavior:contain}.ht-modal-card{background:#fff;width:100%;max-width:760px;max-height:90vh;border-radius:24px;box-shadow:0 32px 64px -12px #0006;display:flex;flex-direction:column;overflow:hidden;animation:modalSlideUp .35s cubic-bezier(.16,1,.3,1);position:relative;border:1px solid rgba(226,232,240,.6)}@keyframes modalSlideUp{0%{transform:translateY(20px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.ht-modal-header{padding:28px 36px;background:#fff;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid #f3f4f6;color:#111827;position:relative;z-index:1}.ht-modal-title-area{position:relative;z-index:2;display:flex;flex-direction:column;gap:6px}.ht-modal-kicker{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:#3b82f6;margin:0}.ht-modal-header h2{font-size:26px;font-weight:700;margin:0;color:#111827;letter-spacing:-.5px;line-height:1.2}.ht-modal-close{width:36px;height:36px;border-radius:10px;border:none;background:#f3f4f6;color:#6b7280;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;position:relative;z-index:2;flex-shrink:0}.ht-modal-close:hover{background:#e5e7eb;color:#111827;transform:rotate(90deg)}.ht-modal-body{flex:1;overflow-y:auto;padding:36px 40px 32px;background:#fafbfc}.ht-form-stack{display:flex;flex-direction:column;gap:28px;max-width:100%}.ht-form-row{display:flex;gap:20px}.ht-form-row>.ht-form-group{flex:1}.ht-form-group{display:flex;flex-direction:column;gap:10px}.ht-form-group label{font-size:13px;font-weight:700;color:#334155;text-transform:uppercase;letter-spacing:.5px}.ht-input-wrapper{position:relative;display:flex;align-items:center}.ht-input-icon{position:absolute;left:16px;color:#94a3b8;pointer-events:none;z-index:2;transition:color .2s}.ht-input-wrapper input,.ht-form-group textarea,.ht-form-group input[type=date],.ht-form-group input[type=text],.ht-form-group input[type=number]{width:100%;padding:14px 16px 14px 48px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;font-size:15px;color:#0f172a;box-shadow:0 1px 2px #0000000d;transition:all .2s cubic-bezier(.4,0,.2,1);outline:none}.ht-form-group input[type=date],.ht-form-group textarea{padding-left:16px}.ht-input-wrapper input:hover,.ht-form-group textarea:hover{border-color:#cbd5e1;background:#fcfcfc}.ht-input-wrapper input:focus,.ht-form-group textarea:focus{border-color:#3b82f6;background:#fff;box-shadow:0 0 0 4px #3b82f61a}.ht-input-wrapper input:focus+.ht-input-icon,.ht-input-wrapper:focus-within .ht-input-icon{color:#3b82f6}.ht-form-group textarea{min-height:120px;line-height:1.6;resize:vertical}.ht-section-card{background:#fff;border-radius:16px;padding:28px;border:2px solid #e2e8f0;transition:all .3s ease;box-shadow:0 2px 8px #0000000a}.ht-section-card:hover{border-color:#cbd5e1;box-shadow:0 4px 12px #00000014}.ht-gradable-header,.ht-attachments-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.ht-gradable-info{display:flex;flex-direction:column;gap:4px}.ht-gradable-title,.ht-resubmit-title{font-size:16px;font-weight:700;color:#0f172a}.ht-gradable-desc,.ht-resubmit-desc{font-size:13px;color:#64748b;line-height:1.5}.ht-attachment-btns{display:flex;gap:12px}.ht-btn-ghost{background:#fff;border:1px solid #e2e8f0;padding:8px 14px;border-radius:8px;color:#475569;font-size:13px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s;box-shadow:0 1px 2px #0000000d}.ht-btn-ghost:hover{background:#f1f5f9;color:#0f172a;transform:translateY(-1px)}.ht-attachments-list{display:flex;flex-direction:column;gap:14px}.ht-attachment-item{display:flex;align-items:center;justify-content:space-between;background:#fff;padding:16px 20px;border-radius:14px;border:2px solid #e2e8f0;transition:all .3s ease;box-shadow:0 2px 4px #0000000d}.ht-attachment-item:hover{border-color:#cbd5e1;box-shadow:0 4px 12px #00000014;transform:translateY(-2px)}.ht-attachment-info{display:flex;align-items:center;gap:14px;color:#0f172a;font-size:14px;font-weight:600;flex:1}.ht-attachment-info svg{color:#3b82f6;flex-shrink:0}.ht-attachment-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ht-attachment-url-input{border:none;outline:none;width:100%;font-size:14px;padding:0;color:#0f172a;font-weight:600}.ht-attachment-actions{display:flex;gap:8px;flex-shrink:0}.ht-attachment-actions button{width:36px;height:36px;border-radius:10px;border:2px solid #e2e8f0;background:#fff;color:#64748b;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0000000d}.ht-attachment-actions button:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0000001f}.ht-attachment-actions button:first-child:hover{background:linear-gradient(135deg,#eff6ff,#dbeafe);border-color:#93c5fd;color:#2563eb}.ht-attachment-actions button:nth-child(2):hover{background:linear-gradient(135deg,#ecfdf5,#d1fae5);border-color:#86efac;color:#059669}.ht-delete-btn{width:36px;height:36px;border-radius:10px;border:2px solid #e2e8f0;background:#fff;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0000000d}.ht-delete-btn:hover{background:linear-gradient(135deg,#fee2e2,#fecaca);border-color:#fca5a5;color:#dc2626;transform:translateY(-2px);box-shadow:0 4px 8px #dc262633}.ht-resubmit-row{padding:20px 24px}.ht-resubmit-info{display:flex;justify-content:space-between;align-items:center;width:100%}.ht-info-col{display:flex;flex-direction:column;gap:2px}.ht-type-selector{display:flex;flex-wrap:wrap;gap:14px}.ht-type-pill{display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:14px;background:#fff;border:2px solid #e2e8f0;color:#64748b;font-size:14px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 4px #0000000d}.ht-type-pill:hover{background:#f8fafc;color:#475569;transform:translateY(-2px);box-shadow:0 4px 8px #00000014}.ht-type-pill.active{border-color:transparent;color:#fff;transform:translateY(-2px);box-shadow:0 8px 16px #0003}.ht-type-pill.active.type-homework{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.ht-type-pill.active.type-assignment{background:linear-gradient(135deg,#10b981,#047857)}.ht-type-pill.active.type-quiz{background:linear-gradient(135deg,#f59e0b,#b45309)}.ht-type-pill.active.type-project{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}.ht-type-pill.active.type-exam{background:linear-gradient(135deg,#ef4444,#b91c1c)}.ht-gradable-section,.ht-attachments-section{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:24px;margin-top:8px}.ht-gradable-header,.ht-attachments-header{margin-bottom:20px}.ht-student-cell{display:flex;align-items:center;gap:12px}.ht-student-avatar{width:32px;height:32px;border-radius:50%;background:#3b82f6;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.ht-student-name{font-weight:600;color:#0f172a}.ht-email-text{font-size:12px;color:#64748b}.ht-score-input-group{display:flex;align-items:center;gap:6px}.ht-score-input-mini{width:50px;padding:6px;border:1px solid #cbd5e1;border-radius:6px;text-align:center;font-weight:600}.ht-score-select{padding:6px;border:1px solid #cbd5e1;border-radius:6px;font-size:13px;outline:none}.ht-score-btn{width:28px;height:28px;border-radius:6px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}.ht-score-btn.ht-edit{background:#f1f5f9;color:#64748b}.ht-score-btn.ht-save{background:#dcfce7;color:#16a34a}.ht-toggle{position:relative;display:inline-block;width:52px;height:28px}.ht-toggle input{opacity:0;width:0;height:0}.ht-toggle-slider{position:absolute;cursor:pointer;inset:0;background:#cbd5e1;transition:all .3s ease;border-radius:28px;box-shadow:inset 0 2px 4px #0000001a}.ht-toggle-slider:before{position:absolute;content:"";height:22px;width:22px;left:3px;bottom:3px;background:#fff;transition:all .3s ease;border-radius:50%;box-shadow:0 2px 4px #0003}.ht-toggle input:checked+.ht-toggle-slider{background:linear-gradient(135deg,#3b82f6,#2563eb)}.ht-toggle input:checked+.ht-toggle-slider:before{transform:translate(24px)}.ht-toggle input:focus+.ht-toggle-slider{box-shadow:0 0 0 4px #3b82f633}.ht-modal-footer{padding:20px 36px;background:#fff;border-top:2px solid #f1f5f9;display:flex;justify-content:flex-end;gap:12px}.ht-btn-text{padding:12px 24px;border-radius:10px;border:2px solid #e2e8f0;background:#fff;color:#64748b;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease}.ht-btn-text:hover{background:#f8fafc;border-color:#cbd5e1;color:#0f172a}.ht-submissions-container{padding:32px}.ht-back-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:2px solid #e2e8f0;border-radius:10px;background:#fff;color:#64748b;font-weight:600;cursor:pointer;transition:all .2s ease;margin-bottom:24px}.ht-back-btn:hover{background:#f8fafc;border-color:#3b82f6;color:#2563eb;transform:translate(-4px)}.premium-empty-state{padding:100px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;color:#94a3b8}.premium-empty-state svg{color:#cbd5e1}.premium-empty-state h3{margin:24px 0 8px;color:#0f172a;font-size:24px;font-weight:700}.premium-empty-state p{color:#64748b;font-size:15px;margin-bottom:0}.premium-empty-state button{margin-top:28px}.ht-fadeIn{animation:fadeInUp .3s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.ht-homework-container{padding:20px;gap:20px}.ht-header-card{padding:24px;flex-direction:column;align-items:flex-start;gap:20px}.ht-header-actions{width:100%;flex-direction:column;gap:12px}.ht-search-box{width:100%}.ht-btn-premium{width:100%;justify-content:center}.ht-modal-body{padding:24px 20px}.ht-modal-footer{padding:16px 20px}.ht-form-row{flex-direction:column}.ht-premium-table{font-size:12px}.ht-premium-table th,.ht-premium-table td{padding:12px 16px}.ht-item-identity{gap:12px}.ht-identity-box{width:40px;height:40px;font-size:16px}.ht-type-selector{gap:10px}.ht-type-pill{padding:12px 16px;font-size:13px}}.ht-grade-mini{display:inline-flex;align-items:center;padding:2px 8px;background:#dbeafe;color:#2563eb;border-radius:4px;font-size:11px;font-weight:600}.chat-overlay{position:fixed;inset:0;background:#00000040;z-index:999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.chat-modal{position:fixed;right:0;top:0;width:30%;height:100vh;background:#f8fafc;display:flex;flex-direction:column;box-shadow:-4px 0 12px #0000001a}.chat-header{background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);color:#fff;padding:14px;display:flex;justify-content:space-between;align-items:center}.chat-avatar-img{width:100%;height:100%;object-fit:cover}.chat-user{display:flex;gap:10px;align-items:center}.chat-avatar{width:44px;height:44px;border-radius:50%;background:#fff;color:#0f2a44;display:flex;align-items:center;justify-content:center;font-weight:600;overflow:hidden}.chat-name{font-size:16px;font-weight:700}.chat-status{font-size:12px;color:#4ade80}.chat-meta{display:flex;align-items:center;gap:8px;font-size:12px}.chat-role{color:#fff;background:#f7efef26;padding:5px;border-radius:10px}.chat-online{color:#4ade80;display:flex;align-items:center;gap:4px}.online-dot{width:8px;height:8px;background:#22c55e;border-radius:50%}.chat-close{background:#f7efef26;border:none;width:20px;height:20px;padding:5px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;background:transparent .25}.chat-body{flex:1;padding:14px;overflow-y:auto}.chat-message{width:fit-content;max-width:75%;padding:10px 12px;border-radius:12px;font-size:13px;margin-bottom:10px;word-wrap:break-word;white-space:pre-wrap}.chat-message.sent{background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);color:#fff;margin-left:auto;border-bottom-right-radius:4px}.chat-time{display:block;font-size:11px;opacity:.8;margin-top:4px;text-align:right}.chat-footer{padding:12px;display:flex;gap:10px;background:#fff;border-top:1px solid #e5e7eb}.chat-footer input{flex:1;border:1px solid #e5e7eb;border-radius:20px;padding:10px 14px;font-size:13px;outline:none}.send-btn{width:48px;height:48px;border-radius:50%;border:none;background:var(--color-primary);background:linear-gradient(135deg,var(--color-primary) 0%,#1a4d8c 100%);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 12px #0a2e5d59}.send-btn:hover:not(:disabled){transform:scale(1.1) rotate(5deg);box-shadow:0 8px 20px #0a2e5d73}.send-btn:active:not(:disabled){transform:scale(.9) rotate(0)}.send-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;background:#94a3b8}@media(max-width:1200px){.chat-modal{width:50%}}@media(max-width:768px){.chat-modal{width:90%}}.submissions-container{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);min-height:100vh}.submissions-header{background-color:var(--color-card);border-bottom:1px solid var(--color-border);padding:1.5rem 2.5rem;display:flex;align-items:center;gap:1.5rem}.submissions-title-info{display:flex;flex-direction:column;gap:.4rem}.submissions-page-title{font-size:1.25rem;font-weight:700;margin:0;color:var(--color-text-primary);letter-spacing:-.02em}.submissions-meta-info{font-size:var(--font-size-secondary-text);color:var(--color-text-secondary);margin:0}.submissions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:1.5rem}.submission-card{background-color:var(--color-bg);border-radius:var(--radius-lg);border:1.5px solid var(--color-border);padding:1.25rem 1.5rem;box-shadow:0 1px 3px #0f172a14;transition:all .18s ease;display:flex;flex-direction:column;justify-content:space-between;gap:.75rem}.submission-card:hover{border-color:var(--color-accent);box-shadow:0 6px 18px #0f172a29;transform:translateY(-2px)}.submission-card-header{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start}.submission-title-block{display:flex;flex-direction:column;gap:.15rem}.submission-id{font-size:var(--font-size-secondary-text);font-weight:600;color:var(--color-text-secondary);letter-spacing:.08em;text-transform:uppercase}.submission-student{margin:0;font-size:calc(var(--font-size-h3) * .9);font-weight:700;color:var(--color-text-primary)}.submission-email{margin:0;font-size:var(--font-size-secondary-text);color:var(--color-text-secondary)}.submission-badges{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:flex-end}.submission-status-badge,.submission-score-badge{padding:.25rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.submission-status-badge{background-color:#94a3b814;border:1px solid rgba(148,163,184,.7);color:#4b5563}.submission-status-submitted{background-color:#3b82f614;border-color:#3b82f6b3;color:#1d4ed8}.submission-status-graded{background-color:#10b98114;border-color:#10b981b3;color:#047857}.submission-status-late{background-color:#f973161a;border-color:#f97316cc;color:#c2410c}.submission-status-pending{background-color:#94a3b814;border-color:#94a3b8b3;color:#4b5563}.submission-score-badge{background-color:#facc151a;border:1px solid rgba(234,179,8,.8);color:#92400e}.submission-meta-row{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:.25rem}.submission-meta-item{display:flex;flex-direction:column;gap:.15rem}.submission-meta-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-secondary)}.submission-meta-value{font-size:var(--font-size-secondary-text);font-weight:500;color:var(--color-text-primary)}.submission-attachments{flex:1 1 100%}.submission-attachments-list{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.25rem}.submission-attachment-pill{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .6rem;border-radius:999px;font-size:.75rem;font-weight:500;color:var(--color-text-primary);background-color:var(--color-card-hover);border:1px solid var(--color-border);text-decoration:none}.submission-attachment-pill:hover{border-color:var(--color-accent);color:var(--color-accent)}.submission-card-actions{margin-top:.85rem;display:flex;justify-content:flex-end;gap:.5rem}.submission-action-btn{padding:.45rem .95rem;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-card-hover);font-size:var(--font-size-secondary-text);font-weight:600;color:var(--color-text-primary);cursor:pointer;transition:all .15s ease}.submission-action-btn:hover{background-color:var(--color-border);border-color:var(--color-accent)}.submission-view-btn{border-color:var(--color-accent);color:var(--color-accent)}.submission-view-btn:hover{background-color:#2563eb0f}.submission-grade-btn{background-color:#10b981;border-color:#10b981;color:#fff;box-shadow:0 2px 8px #10b98140}.submission-grade-btn:hover{background-color:#059669;border-color:#059669;box-shadow:0 6px 16px #10b98159}.back-to-groups-btn{border:none;border-radius:var(--radius-md);padding:.5rem .9rem;background-color:var(--color-card-hover);color:var(--color-text-primary);font-size:var(--font-size-secondary-text);font-weight:500;cursor:pointer;transition:all .15s ease}.back-to-groups-btn:hover{background-color:var(--color-border)}@media(max-width:768px){.submissions-header{padding:1.1rem 1.25rem;flex-direction:column;align-items:flex-start;gap:.75rem}.submissions-grid{grid-template-columns:1fr}.submission-card{padding:1rem 1.15rem}.submission-card-header{flex-direction:column;align-items:flex-start;gap:.6rem}.submission-card-actions{justify-content:flex-start}}.ts-groups-panel{background-color:var(--color-card);border-radius:1rem;padding:.9rem;border:1px solid var(--color-border);box-shadow:0 10px 30px #0f172a1f;display:flex;flex-direction:column;gap:.75rem}.ts-groups-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.ts-groups-title{margin:0;font-size:var(--font-size-primary-text);font-weight:700}.ts-groups-count{padding:.3rem .7rem;border-radius:999px;font-size:.75rem;background-color:#e7c9ab;color:var(--color-text-primary)}.ts-groups-list{display:flex;flex-direction:column;gap:.4rem;max-height:calc(100vh - 260px);overflow-y:auto}.ts-group-item{width:100%;text-align:left;border-radius:.9rem;border:1px solid transparent;background-color:#f9fafb;padding:.6rem .7rem;cursor:pointer;transition:all .15s ease}.ts-group-item:hover{background-color:#eef2ff}.ts-group-item-active{border-color:var(--color-primary);background-color:#eef3ff;box-shadow:0 0 0 1px #020f2b40}.ts-group-name{font-size:var(--font-size-secondary-text);font-weight:600;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ts-group-course{font-size:.75rem;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ts-page{font-family:var(--font-family);min-height:100vh;background-color:var(--color-bg);display:flex;flex-direction:column;gap:1.25rem}.ts-header{background:linear-gradient(90deg,#7f1d1d,#b45309);border-radius:1rem;padding:2rem;color:#f9fafb;display:flex;align-items:center;justify-content:space-between}.ts-header-title{margin:0;font-size:var(--font-size-h2);font-weight:700}.ts-header-subtitle{margin:.25rem 0 0;font-size:.9rem;opacity:.9}.ts-refresh-btn{border:none;border-radius:.6rem;padding:.55rem 1.3rem;background-color:var(--color-success);color:#fff;font-weight:600;font-size:var(--font-size-button);cursor:pointer;box-shadow:0 8px 18px #22c55e59;display:flex;align-items:center;gap:.4rem}.ts-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:1.25rem}.ts-main-panel{background-color:#fff;border-radius:1rem;padding:.9rem;border:1px solid var(--color-border);box-shadow:0 10px 30px #0f172a1f;display:flex;flex-direction:column;gap:1rem;overflow:hidden}.ts-main-header{display:flex;justify-content:space-between;align-items:center}.ts-main-title{margin:0;font-size:var(--font-size-primary-text);font-weight:700}.ts-main-subtitle{margin:.25rem 0 0;font-size:.8rem;color:var(--color-text-secondary)}.ts-timetable-wrapper{margin-top:.5rem;border-radius:1rem;overflow:auto;border:1px solid var(--color-border)}.ts-timetable{width:100%;border-collapse:collapse;min-width:780px;font-size:.8rem}.ts-timetable thead{background-color:#0f172a;color:#f9fafb}.ts-timetable th,.ts-timetable td{padding:.6rem .4rem;text-align:center;border-right:1px solid rgba(148,163,184,.3)}.ts-timetable th:last-child,.ts-timetable td:last-child{border-right:none}.ts-time-col{width:120px;background-color:#0f172a}.ts-day-col{min-width:110px}.ts-day-name{font-weight:600}.ts-day-short{font-size:.7rem;opacity:.8}.ts-time-cell{background-color:#f9fafb;font-weight:600}.ts-session-cell{height:64px;background-color:#fff}.ts-session-filled{background-color:#eff6ff}.ts-session-subject{font-weight:600}.ts-session-teacher{font-size:.7rem;color:var(--color-text-secondary)}.ts-break-cell{background:linear-gradient(180deg,#fee2e2,#fecaca);position:relative}.ts-break-dot{width:10px;height:10px;border-radius:999px;background-color:#ef4444;margin:0 auto .25rem}.ts-break-title{font-size:.8rem;color:#b91c1c}.ts-main-empty{flex:1;display:flex;align-items:center;justify-content:center}.ts-muted{color:var(--color-text-secondary);font-size:.85rem}@media(max-width:960px){.ts-layout{grid-template-columns:1fr}}.grades-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:1.25rem}.grades-page-container{font-family:var(--font-family);min-height:100vh;background-color:var(--color-bg);padding:10px;display:flex;flex-direction:column;gap:1.25rem}.table-wrapper{width:100%;background:#fff;border-radius:10px;box-shadow:0 8px 24px #0000000f;overflow:auto}.grades-table-hide-scrollbar::-webkit-scrollbar{display:none}.grades-table{width:100%;border-collapse:collapse;font-family:Inter,system-ui,sans-serif;min-width:700px}.grades-table thead{background:#f5f7fb}.grades-table th{padding:14px 16px;text-align:left;font-size:13px;font-weight:600;color:#4b5563;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #e5e7eb}.grades-table td{padding:14px 16px;font-size:14px;color:#374151;border-bottom:2px solid #f1f5f9;vertical-align:middle}.grades-table tbody tr:hover{background-color:#f9fafb}.status{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;text-transform:capitalize}.status.active{background:#ecfeff;color:#0369a1}.status.closed{background:#fef2f2;color:#b91c1c}.status.graded{background:#ecfdf5;color:#047857}.action-buttons{display:flex;flex-direction:column;gap:8px}.view-btn{padding:6px 10px;background-color:#4f46e5;color:#fff;border:none;border-radius:4px;font-size:12px;cursor:pointer;font-weight:600}.view-btn:disabled{background-color:#a5b4fc;cursor:not-allowed}.edit-btn{padding:6px 10px;background-color:#059669;color:#fff;border:none;border-radius:4px;font-size:12px;cursor:pointer;font-weight:600}.table-empty{text-align:center;padding:40px;color:#6b7280;font-size:14px}.status{background-color:#c0d7e3;color:#113894}.submissions-container{background:#fff;border-radius:8px;padding:16px;overflow:auto}.submissions-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.submissions-header h3{font-size:16px;font-weight:600;color:#1f2937}.submissions-back-btn{padding:10px;background-color:#f3f4f6;color:#111827;border:1px solid #d1d5db;border-radius:6px;font-size:13px;cursor:pointer;font-weight:400}.submissions-back-btn:hover{background-color:#e5e7eb;font-weight:700}.status.submitted{background-color:#e0f2fe;color:#0369a1;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600}.grades-table select{padding:4px 6px;font-size:12px;border-radius:4px;border:1px solid #d1d5db;outline:none}.grades-table select:focus{border-color:#6366f1}@media(max-width:768px){.grades-table th,.grades-table td{padding:10px 12px;font-size:13px}}.hw-modal-backdrop{position:fixed;inset:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:999;animation:fadeIn .25s ease-in-out}.hw-modal{min-width:40%;background:#fff;border-radius:12px;box-shadow:0 20px 40px #00000040;animation:slideUp .3s ease-out;overflow:auto}.hw-modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:#f8fafc;border-bottom:1px solid #e5e7eb}.hw-modal-header h3{margin:0;font-size:18px;font-weight:600;color:#111827}.hw-modal-close{background:transparent;border:none;font-size:22px;cursor:pointer;color:#6b7280;line-height:1}.hw-modal-close:hover{color:#111827}.hw-form{padding:25px;display:flex;flex-direction:column;gap:14px}.hw-form input[type=text],.hw-form input[type=date],.hw-form select,.hw-form textarea{width:100%;padding:10px 12px;font-size:14px;border-radius:8px;border:1px solid #d1d5db;outline:none;transition:border .2s ease,box-shadow .2s ease}.hw-form textarea{resize:vertical}.hw-form input:focus,.hw-form textarea:focus,.hw-form select:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb26}.hw-form input[type=file]{font-size:13px}.hw-form label{display:flex;align-items:center;gap:8px;font-size:14px;color:#374151}.hw-modal-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:10px}.hw-modal-actions button{padding:8px 16px;border-radius:8px;font-size:14px;cursor:pointer;border:none;transition:background .2s ease,transform .1s ease}.hw-modal-actions button:first-child{background:#e5e7eb;color:#111827}.hw-modal-actions button:first-child:hover{background:#d1d5db}.hw-modal-actions button:last-child{background:#2563eb;color:#fff}.hw-modal-actions button:last-child:hover{background:#1d4ed8}.hw-modal-actions button:disabled{opacity:.6;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:600px){.hw-modal{width:92%}}:root{--web-primary: #0A2E5D;--web-secondary: #64748b;--web-accent: #f97316;--web-bg: #f8fafc;--web-card-bg: #ffffff;--web-border: #e2e8f0;--web-success: #10b981;--web-warning: #f59e0b;--web-danger: #ef4444;--web-shadow-sm: 0 4px 15px rgba(10, 46, 93, .03);--web-shadow: 0 10px 25px -5px rgba(0, 0, 0, .05), 0 8px 10px -6px rgba(0, 0, 0, .05);--web-shadow-lg: 0 20px 25px -5px rgba(10, 46, 93, .1), 0 10px 10px -5px rgba(10, 46, 93, .04)}.web-page-container{min-height:100vh;padding:1.5rem 2rem;background:var(--web-bg);background-image:radial-gradient(circle at 100% 100%,rgba(10,46,93,.03) 0,transparent 25%),radial-gradient(circle at 0% 0%,rgba(224,89,30,.03) 0,transparent 25%);animation:webFadeIn .6s cubic-bezier(.16,1,.3,1)}.web-header{background:#fff;padding:1.5rem 2rem;border-radius:20px;margin-bottom:2rem;box-shadow:0 4px 20px #0a2e5d0d;border:1px solid rgba(10,46,93,.05)}.web-header-main{display:flex;flex-direction:column}.web-header-content{display:flex;justify-content:space-between;align-items:center;width:100%}.web-page-title{font-size:28px;font-weight:800;margin:0;letter-spacing:-.02em;color:var(--web-primary)}.web-breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--web-secondary);margin-top:4px;font-weight:500}.web-breadcrumb-item{transition:color .2s ease}.web-breadcrumb-item.active{color:var(--web-accent);font-weight:700}.web-breadcrumb-separator{color:#cbd5e1}.web-filters-row{display:flex;gap:1rem;margin-bottom:2rem;align-items:center;flex-wrap:wrap}.web-search-box{position:relative;flex:1;min-width:300px}.web-search-icon{position:absolute;left:1.25rem;top:50%;transform:translateY(-50%);color:#94a3b8}.web-search-input{width:100%;padding:.875rem 1.25rem .875rem 3rem;border:2px solid #f1f5f9;border-radius:1.75rem;font-size:.9375rem;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);background:#f8fafc;color:var(--web-primary)}.web-search-input:focus{outline:none;border-color:var(--web-primary);background:#fff;box-shadow:0 0 0 4px #0a2e5d14}.web-container{min-height:400px}.web-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:1.5rem}.web-card{background:#fff;border-radius:1rem;padding:1.5rem;box-shadow:var(--web-shadow-sm);border:1px solid rgba(10,46,93,.05);transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden;display:flex;flex-direction:column}.web-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--web-accent);opacity:0;transition:opacity .3s ease}.web-card:hover{transform:translateY(-4px);box-shadow:var(--web-shadow-lg);border-color:#0a2e5d1a}.web-card:hover:before{opacity:1}.web-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid #f1f5f9}.web-card-header-left{display:flex;flex-direction:column;gap:.5rem}.web-status-badge{display:inline-flex;align-items:center;gap:.375rem;padding:.375rem .75rem;border-radius:.5rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;width:fit-content}.web-status-badge.scheduled{background:#dbeafe;color:#1e40af}.web-status-badge.live{background:#dcfce7;color:#166534;animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.web-status-badge.completed{background:#f1f5f9;color:#475569}.web-status-badge.cancelled{background:#fee2e2;color:#991b1b}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.web-card-date{font-size:.875rem;color:#64748b;font-weight:600}.web-card-body{flex:1;display:flex;flex-direction:column}.web-title{font-size:1.25rem;font-weight:800;color:var(--web-primary);margin:0 0 .5rem;line-height:1.4}.web-description{font-size:.9375rem;color:var(--web-secondary);line-height:1.6;margin:0 0 1rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.web-meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-top:auto;padding-top:1rem}.web-meta-item{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:var(--web-secondary);font-weight:600;background:#f8fafc;padding:.5rem .75rem;border-radius:.5rem}.web-meta-item svg{color:var(--web-primary);flex-shrink:0}.web-card-footer{display:flex;gap:.75rem;margin-top:1rem;padding-top:1rem;border-top:1px solid #f1f5f9}.web-btn-join{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;background:var(--web-primary);color:#fff;border:none;border-radius:.75rem;font-size:.875rem;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #2563eb40}.web-btn-join:hover:not(:disabled){background:var(--web-primary);transform:translateY(-2px);box-shadow:0 8px 20px #0a2e5d4d}.web-btn-join:disabled{background:#cbd5e1;cursor:not-allowed;box-shadow:none;transform:none}.web-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:web-spin .8s linear infinite}@keyframes web-spin{to{transform:rotate(360deg)}}.web-btn-recordings{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;background:#fff;color:var(--web-primary);border:2px solid var(--web-primary);border-radius:.75rem;font-size:.875rem;font-weight:700;cursor:pointer;transition:all .2s}.web-btn-recordings:hover{background:var(--web-primary);color:#fff}.web-loading,.web-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem 2rem;text-align:center;background:#fff;border-radius:1.5rem;box-shadow:var(--web-shadow-sm)}.web-loading .spinner{width:40px;height:40px;border:3px solid #e2e8f0;border-top-color:var(--web-primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:1.5rem}.web-empty h3{font-size:1.5rem;font-weight:800;color:var(--web-primary);margin:0 0 .5rem}.web-empty p{color:#64748b;margin:0}@keyframes webFadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1200px){.web-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}}@media(max-width:768px){.web-page-container{padding:1rem}.web-header{padding:1.25rem 1.5rem}.web-header-content{flex-direction:column;align-items:flex-start;gap:1rem}.web-filters-row{flex-direction:column}.web-search-box{min-width:0;width:100%}.web-grid{grid-template-columns:1fr}.web-card{padding:1.25rem}}@media(max-width:480px){.web-page-title{font-size:22px}.web-meta-grid{grid-template-columns:1fr}.web-card-footer{flex-direction:column}}.web-modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:1rem}.web-modal-content{background:#fff;border-radius:1rem;max-width:700px;width:100%;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d}.web-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid #f1f5f9}.web-modal-header h2{font-size:1.5rem;font-weight:700;color:var(--web-primary);margin:0}.web-modal-close{background:none;border:none;cursor:pointer;color:#64748b;padding:.5rem;border-radius:.5rem;transition:all .2s}.web-modal-close:hover{background:#f1f5f9;color:var(--web-primary)}.web-modal-body{padding:1.5rem;overflow-y:auto;flex:1}.web-modal-title{display:flex;align-items:center;gap:.75rem;padding:1rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:.75rem;margin-bottom:1.5rem;color:var(--web-primary);font-weight:600}.web-modal-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1rem;gap:1rem}.web-modal-loading .spinner{width:40px;height:40px;border:3px solid #f1f5f9;border-top-color:var(--web-primary);border-radius:50%;animation:web-spin .8s linear infinite}.web-modal-loading p{color:#64748b;font-size:.875rem}.web-modal-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1rem;text-align:center;gap:1rem}.web-modal-empty p{color:#64748b;font-size:.875rem}.web-recordings-list{display:flex;flex-direction:column;gap:.75rem}.web-recording-item{display:flex;align-items:center;justify-content:space-between;padding:1rem;background:#fff;border:1px solid #e2e8f0;border-radius:.75rem;transition:all .2s}.web-recording-item:hover{border-color:var(--web-primary);box-shadow:0 4px 12px #0a2e5d1a}.web-recording-info{display:flex;align-items:center;gap:1rem;flex:1}.web-recording-icon{color:var(--web-primary);flex-shrink:0}.web-recording-details{flex:1}.web-recording-details h4{font-size:.9375rem;font-weight:600;color:#1e293b;margin:0 0 .25rem}.web-recording-meta{font-size:.8125rem;color:#64748b;margin:0}.web-recording-actions{display:flex;gap:.5rem}.web-recording-btn{display:flex;align-items:center;justify-content:center;padding:.5rem;background:var(--web-primary);color:#fff;border:none;border-radius:.5rem;cursor:pointer;transition:all .2s;text-decoration:none}.web-recording-btn:hover{background:#082340;transform:translateY(-1px)}.web-recording-player{display:flex;flex-direction:column;gap:1rem}.web-player-header{display:flex;align-items:center;gap:1rem;padding:1rem;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:.75rem}.web-player-back{background:#fff;border:1px solid #e2e8f0;padding:.5rem 1rem;border-radius:.5rem;cursor:pointer;font-size:.875rem;font-weight:600;color:var(--web-primary);transition:all .2s}.web-player-back:hover{background:var(--web-primary);color:#fff;border-color:var(--web-primary)}.web-player-header h4{margin:0;font-size:1rem;color:#1e293b;flex:1}.web-player-container{position:relative;width:100%;padding-top:56.25%;background:#000;border-radius:.75rem;overflow:hidden}.web-recording-iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;border-radius:.75rem}.web-recording-video{position:absolute;top:0;left:0;width:100%;height:100%;border:none;border-radius:.75rem;object-fit:contain;background:#000}.web-recording-video::-webkit-media-controls-panel{background:linear-gradient(transparent,#00000080)}.web-player-error{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;background:#1e293b}.web-player-error p{color:#cbd5e1;font-size:.875rem;margin:0}.meeting-shell{height:100vh;width:100vw;overflow:hidden;background:#0b1220;position:relative;padding:0;margin:0}.meeting-frame-wrapper{width:100%;height:100%;display:block}.meeting-frame-card{width:100%;height:100%;border:none;background:#000;position:relative}.meeting-frame-card iframe{border:none;width:100%;height:100%;display:block}.meeting-fab-back,.meeting-fab-refresh{position:fixed;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#0f172ab3;color:#fff;border:1px solid rgba(255,255,255,.15);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;z-index:999;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #0000004d}.meeting-fab-back{top:20px;left:20px}.meeting-fab-refresh{bottom:20px;right:20px}.meeting-fab-back:hover,.meeting-fab-refresh:hover{background:#1e293be6;transform:scale(1.1);border-color:#ffffff4d;box-shadow:0 0 15px #ffffff1a}.meeting-loading{position:absolute;inset:0;display:grid;place-items:center;background:#0b1220;color:#e2e8f0;font-weight:600;z-index:100}.meeting-room-empty{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0b1220;color:#e2e8f0;text-align:center;gap:12px;padding:20px}.meeting-room-empty h3{margin:0;font-size:1.5rem}.meeting-room-empty p{opacity:.7}