:root{--sidebar-width: 250px;--header-height: 60px;--primary-color: #009078;--primary-hover: #007a64;--primary-light: #e6f3f1;--background-color: #f5f5f5;--text-color: #333;--surface-color: #ffffff;--border-color: #e0e0e0;--card-background: #f8f9fa;--text-secondary: #666;--hover-background: rgba(0, 0, 0, .05);--success-color: #2e7d32;--success-hover: #266123;--error-color: #c62828;--error-hover: #b71c1c}@media (prefers-color-scheme: dark){:root{--primary-color: #00b894;--primary-hover: #00d4a7;--primary-light: rgba(0, 184, 148, .15);--background-color: #121212;--text-color: #e0e0e0;--surface-color: #1e1e1e;--border-color: #333333;--card-background: #262626;--text-secondary: #a0a0a0;--hover-background: rgba(255, 255, 255, .05);--success-color: #2e7d32;--success-hover: #266123;--error-color: #c62828;--error-hover: #b71c1c}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:var(--text-color);background-color:var(--background-color)}.layout{display:flex;min-height:100dvh}.sidebar{width:var(--sidebar-width);background-color:var(--surface-color);border-right:1px solid var(--border-color);position:fixed;height:100dvh;left:0;top:0;z-index:1000;transition:transform .3s ease;display:flex;flex-direction:column}.logo-container{display:flex;align-items:center;padding:1rem;gap:.75rem;border-bottom:1px solid var(--border-color)}.sidebar-logo{width:42px;height:42px;object-fit:contain}.logo-container span{font-size:1.25rem;font-weight:500;color:var(--text-color)}.sidebar nav{flex:1}.sidebar nav ul{list-style:none;padding:1rem}.sidebar nav ul li{margin-bottom:.5rem}.sidebar nav ul li a{display:flex;align-items:center;padding:.75rem 1rem;color:var(--text-color);text-decoration:none;border-radius:4px;transition:background-color .2s}.sidebar nav ul li a:hover{background-color:var(--hover-background)}.sidebar nav ul li a .material-icons{margin-right:.5rem;color:var(--primary-color)}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.active{transform:translate(0)}}.header{height:var(--header-height);background-color:var(--surface-color);border-bottom:1px solid var(--border-color);padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:900}.header-title{font-size:1.5rem;font-weight:500;color:var(--text-color);margin:0}.header-right{display:flex;align-items:center;gap:1rem}.menu-toggle{background:none;border:none;cursor:pointer;padding:.5rem;-webkit-tap-highlight-color:transparent;outline:none;-webkit-user-select:none;user-select:none;display:none}.menu-toggle .material-icons{font-size:24px;color:var(--text-color)}.user-profile{display:flex;align-items:center;gap:.75rem;padding:.5rem;border-radius:24px;background-color:var(--hover-background)}.user-initials{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background-color:var(--primary-color);color:#fff;font-size:.875rem;font-weight:500;-webkit-user-select:none;user-select:none}.user-name{font-size:.9rem;font-weight:500;color:var(--text-color)}@media (max-width: 768px){.menu-toggle{display:block}.user-name{display:none}.user-profile{padding:.25rem;background-color:transparent}.header-right{display:flex;flex-direction:row-reverse;align-items:center;gap:.5rem}}.main-content{flex:1;margin-left:var(--sidebar-width)}:root{--login-primary: #009078;--login-gradient: linear-gradient(135deg, #00a88d 0%, #007d68 100%);--login-shadow: 0 10px 40px -10px rgba(0, 144, 120, .15);--login-text: #1e293b;--login-bg: #f8fafc;--login-card-bg: rgba(255, 255, 255, .95);--login-button-bg: white;--login-button-border: #e2e8f0;--login-button-text: #1e293b;--login-button-hover-bg: #f8fafc;--login-button-hover-border: #cbd5e1}@media (prefers-color-scheme: dark){:root{--login-primary: #00b894;--login-gradient: linear-gradient(135deg, #00d4a7 0%, #00a182 100%);--login-shadow: 0 10px 40px -10px rgba(0, 184, 148, .2);--login-text: #e0e0e0;--login-bg: #121212;--login-card-bg: rgba(30, 30, 30, .95);--login-button-bg: #262626;--login-button-border: #333333;--login-button-text: #e0e0e0;--login-button-hover-bg: #333333;--login-button-hover-border: #444444}}.login{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--login-bg);position:relative;overflow:hidden}.login:before,.login:after{content:"";position:absolute;width:1000px;height:1000px;border-radius:50%;background:var(--login-gradient);opacity:.1;z-index:0}.login:before{top:-20%;left:-10%;animation:float 20s infinite alternate}.login:after{bottom:-20%;right:-10%;animation:float 15s infinite alternate-reverse}@keyframes float{0%{transform:translate(0) rotate(0)}to{transform:translate(50px,50px) rotate(60deg)}}.login-container{position:relative;z-index:1;display:flex;flex-direction:row;background:var(--login-card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;box-shadow:var(--login-shadow);min-height:500px;animation:slideUp .6s ease-out;overflow:hidden}.login-left-panel{flex:1;background:var(--login-gradient);color:#fff;padding:4rem;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.login-left-panel:after{content:"";position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:#ffffff1a;border-radius:50%;z-index:0}.login-greeting{font-size:2.5rem;font-weight:700;margin-bottom:2rem;position:relative;z-index:1;letter-spacing:-.5px}.login-quote{font-size:1.25rem;line-height:1.6;position:relative;z-index:1;font-weight:400;margin-bottom:1rem}.quote-source{display:block;font-size:.9rem;margin-top:.75rem;opacity:.8;font-style:italic}.login-right-panel{flex:1;padding:4rem;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3rem}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-logo{width:140px;height:auto;transform-origin:center;animation:logoReveal 1s ease-out}@keyframes logoReveal{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.login-button{display:flex;align-items:center;gap:12px;padding:14px 28px;background-color:var(--login-button-bg);border:1px solid var(--login-button-border);border-radius:12px;font-size:16px;font-weight:500;color:var(--login-button-text);cursor:pointer;transition:all .2s ease;animation:fadeIn .6s ease-out .5s both;letter-spacing:.2px}.login-button:hover{background-color:var(--login-button-hover-bg);border-color:var(--login-button-hover-border);transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.login-button:active{transform:translateY(0)}.login-button img{width:24px;height:24px;transition:transform .2s ease}.login-button:hover img{transform:scale(1.1)}.login-button span{color:var(--login-button-text);font-weight:500}.login-error{color:#dc2626;margin-top:1rem;text-align:center;font-size:.9rem;padding:12px 20px;background:#fef2f2;border-radius:8px;border:1px solid #fee2e2;animation:shake .5s ease-in-out;letter-spacing:.1px}@media (prefers-color-scheme: dark){.login-error{background:#dc26261a;border-color:#dc26264d}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-5px)}40%,80%{transform:translate(5px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.login-form-container{width:100%;max-width:320px}.form-group{margin-bottom:1rem}.login-input{width:100%;padding:.75rem 1rem;border-radius:8px;border:1px solid var(--login-button-border);background-color:var(--login-button-bg);color:var(--login-button-text);font-size:.9rem;transition:all .2s ease}.login-input:focus{outline:none;border-color:var(--login-primary);box-shadow:0 0 0 2px #00907833}.login-input::placeholder{color:#94a3b8}.login-divider{display:flex;align-items:center;text-align:center;margin:1.5rem 0;color:#94a3b8}.login-divider:before,.login-divider:after{content:"";flex:1;border-bottom:1px solid var(--login-button-border)}.login-divider span{padding:0 10px;font-size:.8rem}.login-error{margin-top:1rem;padding:.75rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:8px;color:#ef4444;font-size:.9rem;text-align:center}button[type=submit].login-button{width:100%;margin-top:.5rem}.google-button{margin-bottom:0}@media (prefers-color-scheme: dark){.login-input{background-color:#262626;border-color:#333;color:#e0e0e0}.login-input::placeholder{color:#6b7280}.login-input:focus{border-color:var(--login-primary);box-shadow:0 0 0 2px #00b89433}.login-error{background-color:#ef444426;border-color:#ef44444d}}@media (max-width: 768px){.login-container{flex-direction:column;max-width:400px}.login-left-panel,.login-right-panel{padding:2rem}.login-greeting{font-size:2rem;margin-bottom:1rem}.login-quote{font-size:1rem}}@media (max-width: 640px){.login-container{padding:0;width:85%}.login-button{padding:12px 24px;width:100%;justify-content:center}}.signout-button{padding:1rem;border-top:1px solid var(--border-color)}.signout-button button{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:.75rem;background-color:#f44336;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.signout-button button:hover{background-color:#d32f2f}.signout-button .material-icons{font-size:20px}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.active{transform:translate(0)}.main-content{margin-left:0}.header-actions{display:block}}.courses-container{padding:2rem}.course-enrollment-status{margin-top:1rem;display:flex;flex-direction:column;gap:.5rem}.enrolled-status{display:flex;align-items:center;color:var(--success-color, #28a745);font-weight:500}.status-indicator.enrolled{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background-color:var(--success-color, #28a745);color:#fff;border-radius:50%;margin-right:.5rem;font-size:.8rem}.enroll-button{background-color:var(--primary-color, #007bff);color:#fff;border:none;border-radius:4px;padding:.5rem 1rem;cursor:pointer;font-weight:500;transition:background-color .2s,transform .1s;align-self:flex-start}.enroll-button:hover{background-color:var(--primary-hover, #0069d9);transform:translateY(-1px)}.enroll-button:active{transform:translateY(0)}.enroll-button:disabled{background-color:#ccc;cursor:not-allowed}.purchase-button{background-color:var(--success-color, #28a745);color:#fff;border:none;border-radius:4px;padding:.5rem 1rem;cursor:pointer;font-weight:500;transition:background-color .2s,transform .1s;align-self:flex-start}.purchase-button:hover{background-color:var(--success-hover, #218838);transform:translateY(-1px)}.purchase-button:active{transform:translateY(0)}.course-price{margin-top:.5rem;font-weight:600;color:var(--primary-color);font-size:1.1rem}.course-variations{margin:.75rem 0}.variation-select{width:100%;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;background-color:var(--surface-color);color:var(--text-color);font-size:.9rem;cursor:pointer}.variation-select:focus{outline:none;border-color:var(--primary-color)}.course-event-info{margin:.75rem 0;padding:.75rem;background-color:rgba(var(--primary-rgb, 0, 123, 255),.05);border-radius:4px;font-size:.9rem}.course-dates,.course-location{margin-bottom:.25rem}.date-label,.location-label{font-weight:600;margin-right:.25rem}.enrollment-message{padding:.5rem;border-radius:4px;font-size:.9rem;margin-top:.5rem}.enrollment-message.success{background-color:#28a7451a;color:var(--success-color, #28a745);border:1px solid rgba(40,167,69,.2)}.enrollment-message.error{background-color:#dc35451a;color:var(--danger-color, #dc3545);border:1px solid rgba(220,53,69,.2)}.course-form{max-width:600px;margin:0 0 2rem;padding:1.5rem;background:var(--surface-color);border-radius:8px;box-shadow:0 2px 4px #0000001a}.course-form input,.course-form textarea{width:100%;margin-bottom:1rem;padding:.5rem;border:1px solid var(--border-color);border-radius:4px}.course-form textarea{min-height:100px;resize:vertical}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.course-card{background:var(--surface-color);border-radius:8px;box-shadow:0 2px 4px #0000001a;overflow:hidden}.course-content{padding:1.5rem}.course-admin-section{padding:1rem;border-top:1px solid var(--border-color);background:var(--surface-color)}.add-student-form{display:flex;gap:.5rem}.add-student-form input{flex:1;padding:.5rem;border:1px solid var(--border-color);border-radius:4px}button{padding:.5rem 1rem;background:var(--primary-color);color:#fff;border:none;border-radius:4px;cursor:pointer}button:hover{opacity:.9}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:1000}.modal-content{position:relative;background-color:var(--surface-color);margin:10% auto;padding:20px;width:90%;max-width:600px;border-radius:8px;box-shadow:0 4px 6px #0000001a}.close-button{position:absolute;right:20px;top:10px;font-size:24px;font-weight:700;color:var(--text-color);cursor:pointer;transition:color .2s}.close-button:hover{color:var(--primary-color)}.modal-body{margin-top:20px}.create-course-button{display:block;margin:2rem auto 0;padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .2s}.create-course-button:hover{background-color:var(--primary-hover)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-color)}.form-actions{display:flex;justify-content:flex-end;margin-top:2rem}.primary-button{padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .2s}.primary-button:hover{background-color:var(--primary-hover)}.card-clickable{cursor:pointer;transition:transform .2s,box-shadow .2s}.card-clickable:hover{transform:translateY(-3px);box-shadow:0 6px 12px #0000001a}.breadcrumbs{display:flex;align-items:center;font-size:1.2rem;font-weight:500}.breadcrumb-separator{margin:0 8px;color:#666}.breadcrumb-clickable{cursor:pointer;color:#007bff}.breadcrumb-clickable:hover{text-decoration:underline}.course-detail{padding:20px;max-width:1000px;margin:0 auto}.course-header{margin-bottom:24px}.course-meta{display:flex;gap:16px;margin-top:8px;color:#666}.course-description,.course-instructor{margin-bottom:24px}.course-description h3,.course-instructor h3{margin-bottom:8px;font-size:1.2rem}.overview-section{margin-bottom:2rem}.overview-section:first-child{margin-top:0}.overview-section:last-child{margin-bottom:0}.course-overview{display:grid;grid-template-columns:1fr;gap:1.5rem}.course-overview>div{background-color:var(--surface-color);border-radius:12px;box-shadow:0 4px 16px #0000000d;padding:1.5rem;border:1px solid var(--border-color);transition:box-shadow .2s ease}.course-overview h3{font-size:1.3rem;font-weight:600;margin:0 0 1rem;color:var(--text-color);border-bottom:2px solid var(--primary-color);padding-bottom:.5rem;display:flex;align-items:center}.course-overview h3:before{content:"";display:inline-block;width:4px;height:1em;background-color:var(--primary-color);margin-right:.5rem;border-radius:2px}.course-description p,.course-instructor p{color:var(--text-color);line-height:1.6;margin:0}.students-list{list-style:none;padding:0;margin:0;background-color:var(--primary-light);border-radius:8px;overflow:hidden}.students-list li{padding:.75rem 1rem;border-bottom:1px solid rgba(0,0,0,.05);display:flex;align-items:center;transition:background-color .2s ease}.students-list li:last-child{border-bottom:none}.students-list li:hover{background-color:#00000005}.students-list li span{color:var(--text-secondary);font-size:.8rem;margin-left:.5rem}@media (min-width: 768px){.course-overview{grid-template-columns:2fr 1fr}.course-students{grid-column:1 / -1}}@media (max-width: 767px){.course-detail{max-width:400px}}.course-syllabus{padding:1rem 0}.syllabus-content{background-color:var(--surface-color);border-radius:12px;box-shadow:0 4px 16px #0000000d;padding:1.5rem;margin-top:1rem;line-height:1.5;border:1px solid var(--border-color);transition:box-shadow .2s ease}.syllabus-content h4{font-size:1.3rem;font-weight:600;margin:0 0 1.25rem;color:var(--text-color);border-bottom:2px solid var(--primary-color);padding-bottom:.5rem}.syllabus-content h5{font-size:1.1rem;font-weight:500;color:var(--primary-color);padding:.25rem 0;display:flex;align-items:center}.syllabus-content h5:before{content:"";display:inline-block;width:4px;height:1em;background-color:var(--primary-color);margin-right:.5rem;border-radius:2px}.syllabus-content p{margin-bottom:1rem;color:var(--text-color)}.syllabus-content p:last-child{margin-bottom:0}.syllabus-content ul,.syllabus-content ol{margin-left:0;margin-bottom:1.5rem;background-color:var(--primary-light);padding:1rem 1rem 1rem 2.5rem;border-radius:8px;list-style-position:outside}.syllabus-content ul li,.syllabus-content ol li{margin-bottom:.5rem;line-height:1.5;color:var(--text-color)}.syllabus-content ul li:last-child,.syllabus-content ol li:last-child{margin-bottom:0}.syllabus-content div>strong{display:block;font-size:1rem;margin:1rem 0 .5rem;color:var(--text-color);font-weight:600;padding-bottom:.25rem}.syllabus-content div:first-of-type>strong{margin-top:0}.syllabus-content div>ul{margin-top:.5rem}.error{color:#d32f2f;background-color:#d32f2f1a;padding:1rem;border-radius:8px;margin:1rem 0;font-weight:500;border:1px solid rgba(211,47,47,.3)}.syllabus-content code{background-color:var(--hover-background);padding:.2rem .4rem;border-radius:4px;font-family:monospace;font-size:.9em;color:var(--text-color)}.syllabus-content pre{background-color:var(--card-background);padding:1rem;border-radius:8px;overflow-x:auto;margin-bottom:1rem;border:1px solid var(--border-color)}.syllabus-content a{color:var(--primary-color);text-decoration:none;transition:color .2s ease}.syllabus-content a:hover{text-decoration:underline;color:var(--primary-hover)}.grades-table-container{overflow-x:auto;margin-top:1rem}.grades-table{width:100%;border-collapse:collapse;margin-bottom:1.5rem;background-color:var(--surface-color);box-shadow:0 1px 3px #0000001a;border-radius:4px}.grades-table th,.grades-table td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}.grades-table th{background-color:var(--primary-color);color:#fff;font-weight:500}.grades-table tr:last-child td{border-bottom:none}.grades-table tfoot{background-color:#00000008}.student-grades-list{display:flex;flex-direction:column;gap:1rem}.student-grades-item{background-color:var(--surface-color);border-radius:6px;box-shadow:0 1px 3px #0000001a;overflow:hidden}.student-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;cursor:pointer;background-color:var(--surface-color);border-bottom:1px solid var(--border-color);transition:background-color .2s}.student-header:hover{background-color:#00000008}.student-header h4{margin:0;font-size:1.1rem;font-weight:500}.expand-icon{font-size:.8rem;transition:transform .2s}.expand-icon.expanded{transform:rotate(0)}.loading,.empty{text-align:center;padding:2rem;color:#888;font-style:italic}.error{text-align:center;padding:2rem;color:#d32f2f;font-weight:500}.enrollment-actions{margin-bottom:1rem;display:flex;gap:1rem}.enroll-button,.unenroll-button{padding:.5rem 1rem;border-radius:4px;border:none;cursor:pointer;font-weight:500;transition:all .2s ease}.enroll-button{background-color:var(--primary-color);color:#fff}.enroll-button:hover{background-color:var(--primary-dark)}.unenroll-button{background-color:var(--error-color);color:#fff}.unenroll-button:hover{background-color:var(--error-dark)}.admin-enrollment-section{margin-bottom:1.5rem;padding:1rem;background-color:var(--surface-color);border-radius:8px;border:1px solid var(--border-color)}.enrollment-controls{display:flex;gap:1rem;align-items:center}.user-select{flex:1;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;background-color:#fff;font-size:1rem}.user-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(var(--primary-color-rgb),.1)}.syllabus-card{border:1px solid var(--border-color);border-radius:4px;padding:10px;background-color:var(--card-background);transition:background-color .2s ease,border-color .2s ease}.syllabus-card h6{margin-top:0;color:var(--primary-color);font-weight:600}.syllabus-card p{color:var(--text-color)}.syllabus-card strong{color:var(--text-secondary)}.syllabus-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;border-bottom:1px solid var(--border-color);padding-bottom:5px}.schedule-date{font-size:.9rem;color:var(--text-secondary);font-weight:500}.schedule-subjects{display:grid;grid-template-columns:1fr;gap:15px}@media (min-width: 768px){.schedule-subjects{grid-template-columns:1fr 1fr}}.schedule-subject{padding:10px;background-color:var(--primary-light);border-radius:4px;transition:background-color .2s ease}.subject-title{margin:0 0 5px;color:var(--primary-color);font-weight:600;font-size:.95rem;border-bottom:1px solid var(--primary-color);padding-bottom:3px;display:inline-block}.instructors-list{margin-top:5px}.instructor-label{font-weight:500;margin-bottom:3px}.instructor-name{font-size:.9rem;color:var(--text-secondary-color, #666);padding-left:5px;line-height:1.4}.instructors-section p{margin-bottom:5px}.instructors-section ul.instructors-list{margin-top:0;padding-left:20px}.instructors-section ul.instructors-list li{margin-bottom:3px;color:var(--text-secondary-color, #666)}.card{background:var(--surface-color);border-radius:12px;padding:20px;box-shadow:0 4px 16px #0000000d;display:flex;flex-direction:column;border:1px solid var(--border-color);transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #00000014}.card-image{margin:-20px -20px 15px;border-radius:12px 12px 0 0;overflow:hidden;height:180px}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.card:hover .card-image img{transform:scale(1.05)}.card-header h3{margin:0;color:var(--text-color);font-weight:600}.card-subtitle{margin:4px 0 0;color:var(--text-secondary);font-size:.9rem}.card-description{margin:10px 0;color:var(--text-color);line-height:1.5}.card-body{flex-grow:1;margin-top:10px}.card-footer{margin-top:15px;font-size:.8rem;color:var(--text-secondary);display:flex;align-items:center;justify-content:space-between}.card-highlight{color:var(--primary-color)}.card-action{display:inline-flex;align-items:center;padding:8px 16px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:background-color .2s ease;border:none;text-decoration:none}.card-action:hover{background-color:var(--primary-hover)}.videos-container{width:100%;padding:20px}.videos-list-view{width:100%}.videos-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--border-color)}.videos-header h3{margin:0;font-size:24px;font-weight:600;color:var(--text-color)}.video-count{font-size:14px;color:var(--text-secondary);background:var(--card-background);padding:6px 12px;border-radius:12px}.videos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.video-card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s ease;box-shadow:0 1px 3px #0000001a}.video-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #00000026;border-color:var(--primary-color)}.video-card.active{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(var(--primary-color-rgb),.1)}.video-thumbnail{position:relative;width:100%;padding-top:56.25%;background:var(--card-background);overflow:hidden}.video-thumbnail img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.video-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:var(--text-color)}.video-duration{position:absolute;bottom:8px;right:8px;background:var(--card-background);color:var(--text-color);padding:4px 8px;border-radius:4px;font-size:12px;font-weight:600}.video-info{padding:16px}.video-title{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--text-color);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-description{margin:0 0 8px;font-size:14px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-date{font-size:12px;color:var(--text-secondary)}.videos-player-view{width:100%}.back-to-list-btn{display:flex;align-items:center;gap:8px;background:var(--surface-color);border:1px solid var(--border-color);padding:10px 16px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-color);cursor:pointer;transition:all .2s ease;margin-bottom:20px}.back-to-list-btn:hover{background:var(--hover-background);border-color:var(--border-color)}.back-to-list-btn svg{flex-shrink:0}.player-and-list{display:grid;grid-template-columns:1fr 350px;gap:24px}.player-section{width:100%}.video-player-container{background:var(--surface-color);border-radius:12px;overflow:hidden;box-shadow:0 1px 3px #0000001a}.video-player{width:100%;background:#000;position:relative;padding-top:56.25%}.video-element{position:absolute;top:0;left:0;width:100%;height:100%;outline:none}.video-details{padding:24px;border-bottom:1px solid var(--border-color)}.video-player-title{margin:0 0 12px;font-size:20px;font-weight:600;color:var(--text-color);line-height:1.4}.video-player-description{margin:0 0 12px;font-size:14px;color:var(--text-secondary);line-height:1.6}.video-player-date{font-size:13px;color:var(--text-secondary)}.video-navigation{display:flex;justify-content:space-between;padding:16px 24px;gap:12px}.nav-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border:1px solid var(--border-color);background:var(--surface-color);border-radius:8px;font-size:14px;font-weight:500;color:var(--text-color);cursor:pointer;transition:all .2s ease;flex:1}.nav-btn:hover:not(:disabled){background:var(--hover-background);border-color:var(--border-color);color:var(--primary-color)}.nav-btn:disabled{opacity:.4;cursor:not-allowed}.prev-btn{justify-content:flex-start}.next-btn{justify-content:flex-end}.playlist-sidebar{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;height:fit-content;max-height:calc(100vh - 200px);display:flex;flex-direction:column}.playlist-sidebar h4{margin:0;padding:16px 20px;font-size:16px;font-weight:600;color:var(--text-color);border-bottom:1px solid var(--border-color);background:var(--hover-background)}.playlist-items{overflow-y:auto;flex:1}.playlist-item{display:flex;gap:12px;padding:12px 16px;cursor:pointer;transition:background .2s ease;border-bottom:1px solid var(--border-color)}.playlist-item:hover{background:var(--hover-background)}.playlist-item.active{background:var(--primary-light);border-left:3px solid var(--primary-color)}.playlist-item-number{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--card-background);border-radius:4px;font-size:12px;font-weight:600;color:var(--text-secondary)}.playlist-item.active .playlist-item-number{background:var(--primary-color);color:var(--text-color)}.playlist-item-info{flex:1;min-width:0}.playlist-item-info h5{margin:0 0 4px;font-size:14px;font-weight:500;color:var(--text-color);line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.playlist-duration{font-size:12px;color:var(--text-secondary)}.videos-loading,.videos-error{padding:40px 20px;text-align:center}.empty{color:var(--text-secondary);font-size:16px;text-align:center;padding:40px 20px}@media (max-width: 1024px){.player-and-list{grid-template-columns:1fr}.playlist-sidebar{max-height:400px}}@media (max-width: 768px){.videos-container{padding:16px}.videos-grid{grid-template-columns:1fr}.videos-header{flex-direction:column;align-items:flex-start;gap:12px}.video-navigation{flex-direction:column}.nav-btn{width:100%}.prev-btn,.next-btn{justify-content:center}}@media (max-width: 480px){.videos-header h3{font-size:20px}.video-player-title{font-size:18px}.video-details{padding:16px}.video-navigation{padding:12px 16px}}.assignment-container{padding:1rem;max-width:800px;margin:0 auto;background:var(--background-color);color:var(--text-color);overflow-x:hidden}.assignment-container h2{text-align:center;color:var(--primary-color);margin-bottom:1rem}.tabs{display:flex;overflow-x:auto;gap:.5rem;margin-bottom:1rem;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch}.tabs::-webkit-scrollbar{display:none}.tabs button{flex-shrink:0;padding:.5rem 1rem;background:var(--surface-color);border:none;border-radius:4px;cursor:pointer;font-weight:500;color:var(--text-color);transition:background .2s}.tabs button.active{background:var(--primary-color);color:#fff}.details .meta p{margin:.5rem 0}.description{margin-top:1rem;background:var(--surface-color);padding:1rem;border-radius:8px;box-shadow:0 2px 4px #0000000d}.data-list{list-style:none;padding:0;margin:1rem 0}.data-list li{background:var(--surface-color);padding:1rem;margin-bottom:.75rem;border-radius:6px;box-shadow:0 1px 3px var(--shadow-color)}.options{padding-left:1rem;margin-top:.5rem}.loading,.empty{text-align:center;font-style:italic;color:#888}.course-section{margin-bottom:2rem;padding:1rem;background:var(--surface-color);border-radius:8px;box-shadow:0 2px 8px var(--shadow-color)}.course-title{font-size:1.25rem;font-weight:600;color:var(--primary-color);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border-color)}.assignment-details{padding:1rem 0}.assignment-details h3{margin-bottom:1rem;color:var(--text-color);font-weight:600}.info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;background-color:var(--primary-light);padding:1rem;border-radius:8px;margin-top:.5rem}.info-item{display:flex;flex-direction:column}.info-label{font-weight:500;color:var(--text-secondary);font-size:.9rem;margin-bottom:.25rem}.info-value{font-weight:500;color:var(--text-color)}.assignment-details .syllabus-content{background-color:var(--surface-color);border-radius:12px;box-shadow:0 4px 16px #0000000d;padding:1.5rem;margin-top:1rem;line-height:1.5;border:1px solid var(--border-color);transition:box-shadow .2s ease}.empty{text-align:center;padding:2rem;color:var(--text-secondary);font-style:italic;background-color:var(--card-background);border-radius:8px;margin-top:1rem;border:1px dashed var(--border-color)}.loading{text-align:center;padding:2rem;color:var(--text-secondary);background-color:var(--card-background);border-radius:8px;margin-top:1rem}.data-list{list-style:none;padding:0;margin:1rem 0 0}.data-list li{background-color:var(--surface-color);border-radius:8px;padding:1rem;margin-bottom:1rem;box-shadow:0 2px 8px #0000000d;border:1px solid var(--border-color)}.data-list li strong{display:block;margin-bottom:.5rem;color:var(--primary-color)}.options{margin-top:.5rem;padding-left:1.5rem}.options li{background:none;box-shadow:none;border:none;padding:.25rem 0;margin-bottom:.25rem;border-radius:0}.assignments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-top:1rem}.assignments-grid.small-cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.subject-section{margin-bottom:2rem}.subject-title{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:none}.assignments-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:.75rem}.create-quiz-btn{background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;padding:.5rem 1rem;font-weight:500;cursor:pointer;transition:background-color .2s ease;display:flex;align-items:center;gap:.5rem}.create-quiz-btn:hover{background-color:var(--primary-hover)}.create-quiz-btn:before{content:"+";font-size:1.2rem;font-weight:700}@media (max-width: 768px){.assignments-header{flex-direction:column;align-items:flex-start;gap:1rem}.assignments-grid{grid-template-columns:1fr}}.assignments-container{padding:2rem}.need-selector select{padding:.75rem;border-radius:4px;border:1px solid var(--border-color, #dddddd);background-color:var(--background-color, #ffffff);font-size:1rem;color:var(--text-color, #333333);width:100%;max-width:200px;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right .75rem center;background-size:.75rem;transition:border-color .2s,box-shadow .2s}.quiz-creation{padding:1.5rem;max-width:800px;margin:0 auto;background:var(--background-color);color:var(--text-color);overflow-x:hidden}.quiz-creation h2{text-align:center;color:var(--primary-color);margin-bottom:1.5rem;font-size:1.8rem}.quiz-creation h3{color:var(--primary-color);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border-color);font-size:1.4rem}.quiz-creation h4{color:var(--text-color);margin-bottom:.75rem;font-size:1.2rem}.quiz-creation h5{color:var(--text-secondary);margin-bottom:.5rem;font-size:1.1rem}.form-section{background-color:var(--surface-color);border-radius:8px;box-shadow:0 2px 8px var(--shadow-color, rgba(0, 0, 0, .05));padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--border-color)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary)}.form-group input[type=text],.form-group input[type=number],.form-group input[type=datetime-local],.form-group select,.form-group textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;background-color:var(--background-color);color:var(--text-color);font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px var(--primary-light)}.form-group textarea{min-height:100px;resize:vertical}.selected-course{padding:.75rem;background-color:var(--primary-light);border-radius:4px;font-weight:500}.questions-list{margin-bottom:2rem}.question-item{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:6px;padding:1rem;margin-bottom:1rem;box-shadow:0 1px 3px #0000000d}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.question-header h4{margin:0}.options-list{list-style:none;padding-left:0;margin-top:.75rem}.options-list li{padding:.5rem;margin-bottom:.5rem;background-color:var(--background-color);border-radius:4px;display:flex;justify-content:space-between;align-items:center}.correct-option{background-color:var(--primary-light)!important;border-left:3px solid var(--primary-color);font-weight:500}.add-question-form{background-color:var(--primary-light);border-radius:8px;padding:1.5rem;margin-top:1.5rem}.options-section{margin-top:1.5rem;margin-bottom:1.5rem}.add-option-form{display:flex;gap:.5rem;margin-top:1rem}.add-option-form input{flex:1;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;background-color:var(--background-color);color:var(--text-color)}.quiz-creation button{padding:.75rem 1.25rem;border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:background-color .2s ease}.add-question-btn,.form-actions button{background-color:var(--primary-color);color:#fff;padding:.75rem 1.5rem;font-size:1rem;display:block;margin:1rem auto 0}.add-question-btn:hover,.form-actions button:hover{background-color:var(--primary-hover)}.add-option-form button{background-color:var(--primary-color);color:#fff}.add-option-form button:hover{background-color:var(--primary-hover)}.remove-btn{background-color:var(--error-color);color:#fff;padding:.4rem .75rem;font-size:.9rem}.remove-btn:hover{background-color:var(--error-hover)}button.selected-correct{background-color:var(--success-color);color:#fff}button.selected-correct:hover{background-color:var(--success-hover)}button:disabled{opacity:.6;cursor:not-allowed}.success-message{background-color:var(--success-color);color:#fff;padding:1.5rem;border-radius:8px;margin-bottom:1.5rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1rem}.success-message button{background-color:#fff;color:var(--success-color);border:none;padding:.75rem 1.5rem;border-radius:4px;font-weight:500;cursor:pointer}.success-message button:hover{background-color:#f0f0f0}.error-message{background-color:var(--error-color);color:#fff;padding:1rem;border-radius:4px;margin-bottom:1.5rem}.form-actions{display:flex;justify-content:center;margin-top:2rem}.unauthorized{text-align:center;padding:2rem;color:var(--error-color);font-size:1.2rem;font-weight:500}@media (max-width: 768px){.quiz-creation,.form-section,.add-question-form{padding:1rem}.add-option-form{flex-direction:column}.question-header,.options-list li{flex-direction:column;align-items:flex-start;gap:.5rem}}.quiz-container{width:100%;max-width:800px;margin:0 auto;padding:20px}.quiz-question{background-color:var(--card-bg);border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px #0000001a}.quiz-question h4{margin-top:0;margin-bottom:15px;color:var(--text-color);font-size:1.1rem}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-option{padding:5px}.option-label{display:flex;align-items:center;padding:10px 15px;border-radius:4px;cursor:pointer;transition:background-color .2s;background-color:var(--input-bg);width:100%}.option-label:hover{background-color:var(--hover-color)}.option-label input[type=radio]{margin-right:10px}.submit-quiz-btn{background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;padding:12px 24px;font-size:1rem;cursor:pointer;margin-top:20px;transition:background-color .2s}.submit-quiz-btn:hover{background-color:var(--primary-hover)}.submit-quiz-btn:disabled{background-color:#ccc;cursor:not-allowed}.quiz-results{background-color:var(--card-bg);border-radius:8px;padding:20px;margin-top:20px;text-align:center}.quiz-results h3{margin-top:0;color:var(--text-color)}.correct-answer{background-color:#4caf5033;border:1px solid #4caf50}.correct-indicator{color:#4caf50;font-weight:700;margin-left:5px}[data-theme=dark] .correct-answer{background-color:#4caf504d}@media (max-width: 768px){.quiz-container{padding:10px}.quiz-question{padding:15px}.option-label{padding:8px 12px}}.loading-container{display:flex;justify-content:center;align-items:center;height:300px;width:100%}.loading-container p{font-size:1.2rem;color:var(--text-color)}.unauthorized-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:300px;width:100%;text-align:center;padding:2rem}.unauthorized-container h2{color:var(--error-color, #c62828);margin-bottom:1rem}.unauthorized-container p{color:var(--text-color);font-size:1.1rem}.home-container{padding:2rem}.coming-soon{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:var(--surface-color);border-radius:12px;padding:4rem 2rem;border:1px solid var(--border-color);margin-top:2rem;min-height:60vh}.coming-soon-icon{margin-bottom:1.5rem}.coming-soon-icon .material-icons{font-size:4rem;color:var(--primary-color);animation:pulse 2s infinite ease-in-out}.coming-soon-title{font-size:2.5rem;font-weight:700;color:var(--text-color);margin:0 0 1rem}.coming-soon-subtitle{font-size:1.25rem;color:var(--text-secondary);margin:0 0 2rem}.coming-soon-content{max-width:600px;margin:0 auto}.coming-soon-content p{margin:.5rem 0;color:var(--text-secondary);font-size:1rem}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.welcome-section{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:var(--surface-color);border-radius:12px;padding:4rem 2rem;border:1px solid var(--border-color);margin-top:2rem;min-height:40vh;background-image:linear-gradient(to bottom right,rgba(var(--primary-rgb),.05),rgba(var(--primary-rgb),.1))}.welcome-icon{margin-bottom:1.5rem}.welcome-icon .material-icons{font-size:4rem;color:var(--primary-color);animation:pulse 2s infinite ease-in-out}.welcome-title{font-size:2.5rem;font-weight:700;color:var(--text-color);margin:0 0 1rem}.welcome-subtitle{margin:0 0 2rem}.welcome-subtitle h2{font-size:1.8rem;color:var(--primary-color);margin:0 0 .5rem}.welcome-subtitle p{font-size:1.25rem;color:var(--text-secondary);margin:0}.welcome-content{max-width:600px;margin:0 auto}.welcome-content p{margin:.5rem 0;color:var(--text-secondary);font-size:1.1rem}.course-section{margin-top:3rem;padding:2rem;background:var(--surface-color);border-radius:12px;border:1px solid var(--border-color)}.course-section h2{font-size:1.8rem;color:var(--text-color);margin:0 0 1.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-color)}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.course-card{background:var(--card-background);border-radius:10px;padding:1.5rem;border:1px solid var(--border-color);transition:transform .2s,box-shadow .2s;cursor:pointer}.course-card:hover{transform:translateY(-4px);box-shadow:0 6px 12px #0000001a;border-color:var(--primary-color)}.course-card-content{display:flex;flex-direction:column;gap:.75rem}.course-card-title{font-size:1.25rem;font-weight:600;color:var(--text-color);margin:0}.course-card-instructor{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-secondary);margin:0}.course-card-instructor .material-icons{font-size:1rem;color:var(--primary-color)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;text-align:center;background:var(--card-background);border-radius:10px;border:1px dashed var(--border-color)}.empty-state .material-icons{font-size:3rem;color:var(--text-secondary);margin-bottom:1rem;opacity:.6}.empty-state p{margin:.25rem 0;color:var(--text-secondary)}.loading-spinner{display:flex;justify-content:center;align-items:center;padding:2rem;color:var(--text-secondary)}.overview-section,.scores-section,.upcoming-section{background:var(--surface-color);border-radius:12px;padding:2rem;border:1px solid var(--border-color);margin-top:2rem}.overview-title,.scores-title,.upcoming-title{font-size:1.5rem;font-weight:500;color:var(--text-color);margin:0 0 1rem;display:flex;align-items:center;gap:.5rem}.overview-divider{height:1px;background:var(--border-color);margin-bottom:2rem}.overview-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}.overview-card{background:var(--card-background);border-radius:10px;padding:1.5rem;display:flex;align-items:center;gap:1rem;transition:transform .2s,box-shadow .2s}.overview-card:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0003}.overview-card .material-icons{font-size:2rem;color:var(--primary-color)}.card-content h3{margin:0;font-size:1rem;color:var(--text-secondary)}.card-content p{margin:.5rem 0 0;font-size:1.5rem;font-weight:500;color:var(--text-color)}.scores-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.score-item{background:var(--primary-light);padding:1rem;border-radius:8px}.score-item h4{margin:0;color:var(--text-color);font-size:.9rem}.score-item p{margin:.5rem 0 0;font-size:1.25rem;font-weight:500;color:var(--primary-color)}.upcoming-list{display:flex;flex-direction:column;gap:1rem}.upcoming-item{display:flex;align-items:center;padding:1rem;background:var(--card-background);border-radius:8px;gap:1rem}.upcoming-item .material-icons{color:var(--primary-color)}.upcoming-item-content h4{margin:0;color:var(--text-color);font-size:1rem}.upcoming-item-content p{margin:.25rem 0 0;color:var(--text-secondary);font-size:.9rem}.upcoming-item-date{color:var(--primary-color);font-weight:500;font-size:.9rem}.course-attachments{display:flex;flex-direction:column;width:100%}.attachments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:16px}.attachment-card{display:flex;flex-direction:column;padding:16px;border-radius:8px;background-color:#f5f5f5;box-shadow:0 2px 4px #0000001a;cursor:pointer;transition:transform .2s,box-shadow .2s}.attachment-card:hover{transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.attachment-card.drive-link{background-color:#e8f0fe;border-left:4px solid #4285f4}.attachment-icon{display:flex;justify-content:center;align-items:center;height:48px;margin-bottom:12px;color:#555}.drive-link .attachment-icon{color:#4285f4}.attachment-details h4{margin:0 0 8px;font-size:16px;font-weight:500}.attachment-type{font-size:12px;color:#666;margin:0 0 4px}.attachment-date{font-size:12px;color:#888;margin:0}.attachment-external{font-size:12px;color:#4285f4;margin:8px 0 0;display:flex;align-items:center}.external-link-icon{margin-right:4px;font-weight:700}.attachment-viewer{background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #00000026;overflow:hidden;margin-top:16px}.viewer-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background-color:#f5f5f5;border-bottom:1px solid #ddd}.viewer-header h3{margin:0;font-size:18px}.close-button{background:none;border:none;cursor:pointer;color:#555;font-weight:500}.viewer-content{padding:16px}.unsupported-file{text-align:center;padding:32px}.unsupported-file a{display:inline-block;margin-top:16px;padding:8px 16px;background-color:#4285f4;color:#fff;border-radius:4px;text-decoration:none;font-weight:500}.drive-attachment-form{background-color:#f9f9f9;border-radius:8px;padding:20px;margin-top:20px}.drive-attachment-form h4{margin-top:0;margin-bottom:16px;color:#333}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500}.form-group input{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:14px}.form-hint{display:block;margin-top:4px;font-size:12px;color:#666}.add-attachment-btn{background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;padding:.5rem 1rem;font-weight:500;cursor:pointer;transition:background-color .2s ease;display:flex;align-items:center}.add-attachment-btn:hover{background-color:var(--primary-hover, #0069d9)}.add-attachment-btn:disabled{background-color:#a4c2f4;cursor:not-allowed}.attachment-form-container{background-color:var(--surface-color);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem;border:1px solid var(--border-color);box-shadow:0 2px 4px #0000000d}.error-message{background-color:#fdecea;color:#d93025;padding:10px;border-radius:4px;margin-bottom:16px}.success-message{background-color:#e6f4ea;color:#137333;padding:10px;border-radius:4px;margin-bottom:16px}.attachments-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:.75rem}.attachment-viewer-page{display:flex;flex-direction:column;width:100%;max-width:1200px;margin:0 auto;padding:20px}.attachment-viewer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid #e0e0e0}.attachment-viewer-header h2{margin:0;font-size:24px;color:#333}.back-button{background-color:#f5f5f5;border:1px solid #ddd;border-radius:4px;padding:8px 16px;font-size:14px;font-weight:500;color:#555;cursor:pointer;transition:all .2s}.back-button:hover{background-color:#e8e8e8;color:#333}.attachment-viewer-content{flex:1;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;overflow:hidden}.drive-viewer,.pdf-viewer{width:100%;height:100%;min-height:800px}.attachment-error{text-align:center;padding:40px 20px;background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a}.attachment-error h3{color:#d93025;margin-bottom:16px}.attachment-error button{margin-top:20px;padding:10px 20px;background-color:#4285f4;color:#fff;border:none;border-radius:4px;font-weight:500;cursor:pointer}.loading{display:flex;justify-content:center;align-items:center;height:400px;font-size:18px;color:#666}.download-button{display:inline-block;margin-top:16px;padding:10px 20px;background-color:#4285f4;color:#fff;border-radius:4px;text-decoration:none;font-weight:500;transition:background-color .2s}.download-button:hover{background-color:#3367d6}.scholarships-container{padding:1.5rem;max-width:1200px;margin:0 auto}.scholarships-container h2{margin-bottom:1.5rem;color:var(--primary-color, #333);font-size:1.8rem}.loading-spinner{display:flex;justify-content:center;align-items:center;height:200px;font-size:1.2rem;color:var(--text-color)}.error-message{background-color:var(--error-color);color:var(--text-color);padding:1rem;border-radius:4px;margin-bottom:1rem}.success-message{background-color:var(--success-color);color:var(--text-color);padding:1rem;border-radius:4px;margin-bottom:1rem}.filter-controls{display:flex;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:.5rem}.filter-buttons{display:flex;gap:.5rem;flex-wrap:wrap}.filter-buttons button{padding:.5rem 1rem;border:1px solid var(--border-color);background-color:var(--surface-color, #f5f5f5);color:var(--text-color-secondary, #555);border-radius:4px;cursor:pointer;transition:all .2s ease;font-weight:500;box-shadow:0 1px 3px #0000001a}.filter-buttons button.active{background-color:var(--primary-color, #4a90e2);color:#fff;border-color:var(--primary-color, #4a90e2);box-shadow:0 2px 4px #0003}.filter-buttons button:hover:not(.active){background-color:var(--hover-background, #e8e8e8);border-color:var(--primary-light, #7fb1ed);color:var(--primary-color, #4a90e2)}.applications-list{width:100%;margin-bottom:1.5rem;max-width:100vw;overflow-x:hidden}.applications-list table{width:100%;border-collapse:collapse;min-width:600px;table-layout:fixed}.applications-list th,.applications-list td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}.applications-list th{background-color:var(--surface-color);font-weight:600}.applications-list tr:hover{background-color:var(--hover-background)}.view-button{padding:.4rem .75rem;background-color:var(--primary-color, #333);color:var(--text-color);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.view-button:hover{background-color:var(--primary-dark-color, #222)}.no-applications{padding:2rem;text-align:center;color:#666;background-color:var(--surface-color);border-radius:4px}.status-text.pending{color:#f57f17}.status-text.approved{color:#2e7d32}.status-text.denied{color:#c62828}.status-badge{display:inline-block;padding:.25rem .75rem;border-radius:1rem;font-size:.85rem;font-weight:500}.status-badge.pending{background-color:var(--warning-color);color:#f57f17}.status-badge.approved{background-color:var(--success-color);color:#2e7d32}.status-badge.denied{background-color:var(--error-color);color:#c62828}.status-badge.large{font-size:1rem;padding:.5rem 1rem}.scholarship-detail{background-color:var(--surface-color);border-radius:8px;box-shadow:0 2px 10px #0000001a;margin-bottom:2rem;overflow:hidden}.detail-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background-color:var(--surface-color);border-bottom:1px solid var(--border-color)}.detail-header h3{margin:0;font-size:1.4rem}.close-button{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666}.close-button:hover{color:#333}.detail-content{padding:1.5rem}.detail-section h4{margin-top:0;margin-bottom:.75rem;font-size:1.1rem;color:var(--text-color);border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}.detail-item{display:flex;flex-direction:column}.detail-item label{font-weight:500;color:var(--text-color);margin-bottom:.25rem;font-size:.9rem}.detail-text{background-color:var(--surface-color);padding:1rem;border-radius:4px;white-space:pre-line}.detail-section textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;resize:vertical;font-family:inherit}.action-buttons{display:flex;gap:1rem;margin-top:1.5rem;justify-content:flex-end}.approve-button,.deny-button{padding:.75rem 1.5rem;border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:background-color .2s ease}.approve-button{background-color:var(--primary-color);color:var(--text-color)}.approve-button:hover{background-color:var(--primary-hover)}.deny-button{background-color:var(--er-color);color:var(--text-color)}.deny-button:hover{background-color:var(--error-hover)}.status-info{display:flex;flex-direction:column;align-items:flex-end;margin-top:1.5rem}.review-info{margin-top:.5rem;font-size:.9rem;color:var(--text-color)}.admin-controls{display:flex;justify-content:flex-end;margin-bottom:1rem}.test-toggle-button{padding:.5rem 1rem;background-color:var(--primary-color);color:var(--text-color);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease;font-size:.9rem}.test-toggle-button:hover{background-color:var(--primary-hover)}.test-utility-container{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;margin-bottom:2rem}.scholarship-test{display:flex;flex-direction:column;gap:1rem}.scholarship-test h3{margin-top:0;color:var(--text-color);font-size:1.3rem}.scholarship-test p{margin-bottom:1rem;color:var(--text-color)}.test-button{padding:.75rem 1.5rem;background-color:var(--primary-color);color:var(--text-color);border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease;align-self:flex-start;font-weight:500}.test-button:hover{background-color:var(--primary-hover)}.test-button:disabled{opacity:.6;cursor:not-allowed}.sample-preview{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:4px;padding:1rem;margin-top:1rem}.sample-preview h4{margin-top:0;margin-bottom:.75rem;font-size:1rem;color:var(--text-color)}.sample-preview ul{margin:0;padding-left:1.5rem}.sample-preview li{margin-bottom:.5rem}.need-selector{margin:1.5rem 0;display:flex;flex-direction:column;gap:.5rem}.need-selector label{font-weight:500;color:var(--text-secondary, #666666)}.need-selector select{padding:.75rem;border-radius:4px;border:1px solid var(--border-color, #dddddd);background-color:var(--background-color, #ffffff);font-size:1rem;color:var(--text-color, #333333);width:100%;max-width:200px;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right .75rem center;background-size:.75rem;transition:border-color .2s,box-shadow .2s}.need-selector select:focus{outline:none;border-color:var(--primary-color, #4a90e2);box-shadow:0 0 0 2px #4a90e233}.need-selector select:hover{border-color:var(--primary-color, #4a90e2)}.need-percentage{font-weight:600;color:var(--primary-color, #4a90e2)}@media (max-width: 768px){.scholarships-container{padding:1rem}.scholarships-container h2{font-size:1.5rem;margin-bottom:1rem}.filter-controls{flex-direction:column;align-items:flex-start}.filter-controls span{margin-bottom:.5rem;margin-right:0}.filter-buttons{width:100%}.filter-buttons button{flex:1;text-align:center;padding:.5rem;font-size:.9rem}.detail-grid{grid-template-columns:1fr}.detail-header{padding:.75rem 1rem}.detail-header h3{font-size:1.2rem}.detail-content{padding:1rem}.button-group{flex-direction:column;gap:.5rem}.button-group button{width:100%}.action-buttons{flex-direction:column;gap:.5rem}.action-buttons button{width:100%}.admin-controls{margin-bottom:.75rem}.test-utility-container{padding:1rem}.scholarship-test h3{font-size:1.1rem}.test-button{width:100%}}@media (max-width: 480px){.scholarships-container h2{font-size:1.3rem}.status-badge{font-size:.75rem;padding:.2rem .5rem}.view-button{padding:.35rem .6rem;font-size:.8rem}}.button-group{display:flex;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}.approve-button,.deny-button,.close-button-alt{padding:.75rem 1.5rem;border:none;border-radius:4px;font-weight:500;cursor:pointer;min-width:120px;display:flex;justify-content:center;align-items:center;color:var(--text-on-primary, white);transition:opacity .2s,transform .1s}.approve-button{background-color:var(--success-color, #5cb85c)}.approve-button:hover:not(:disabled){background-color:var(--success-color-dark, #4cae4c)}.deny-button{background-color:var(--error-color, #d9534f)}.deny-button:hover:not(:disabled){background-color:var(--error-color-dark, #c9302c)}.close-button-alt{background-color:var(--secondary-color, #6c757d)}.close-button-alt:hover{background-color:var(--secondary-color-dark, #5a6268)}.approve-button:disabled,.deny-button:disabled{opacity:.6;cursor:not-allowed}.approve-button:active:not(:disabled),.deny-button:active:not(:disabled),.close-button-alt:active{transform:translateY(1px)}.students-container{padding:1.5rem;max-width:100vw;margin:0 auto;overflow-x:hidden;box-sizing:border-box}.students-container h2{margin-bottom:1.5rem;color:var(--primary-color)}.filter-controls{display:flex;align-items:center;margin-bottom:1.5rem}.filter-controls span{margin-right:1rem;font-weight:500}.filter-buttons{display:flex;gap:.5rem}.filter-buttons button{padding:.5rem 1rem;border:none;background-color:var(--surface-color);border-radius:4px;cursor:pointer;transition:all .2s ease}.filter-buttons button:hover{background-color:var(--hover-background)}.filter-buttons button.active{background-color:var(--primary-color);color:#fff}.search-container{display:flex;align-items:center;margin-bottom:1.5rem;position:relative;max-width:500px}.search-input{width:100%;padding:.75rem 2.5rem .75rem 1rem;border:1px solid var(--border-color, #dddddd);border-radius:4px;font-size:1rem;background-color:var(--background-color, #ffffff);color:var(--text-color, #333333);transition:border-color .2s,box-shadow .2s}.search-input:focus{outline:none;border-color:var(--primary-color, #4a90e2);box-shadow:0 0 0 2px #4a90e233}.clear-search{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.25rem;color:var(--text-secondary, #666666);cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;border-radius:50%;width:24px;height:24px}.clear-search:hover{color:var(--error-color, #d9534f);background-color:#d9534f1a}.students-list{width:100%;margin-bottom:1.5rem;max-width:100vw;overflow-x:hidden}.table-scroll-container{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:4px;box-shadow:0 1px 3px #0000001a;max-width:92vw;width:100%}.students-list table{width:100%;border-collapse:collapse;min-width:600px;table-layout:fixed}.students-list th,.students-list td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}.students-list th{background-color:var(--surface-color);font-weight:600}.students-list tr:hover{background-color:var(--hover-background)}.students-list table tbody tr:hover{background-color:var(--hover-background, rgba(74, 144, 226, .05))}.courses-cell{max-width:250px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.role-text{font-weight:500;text-transform:capitalize}.role-text.student{color:#2e7d32}.role-text.admin{color:#1565c0}.loading,.error,.no-students{padding:2rem;text-align:center;background-color:var(--surface-color);border-radius:4px;margin-top:1rem}.error{color:var(--error-text)}.no-students{padding:2rem;text-align:center;background-color:var(--surface-color, #f5f5f5);border-radius:4px;color:var(--text-secondary, #666666);font-style:italic}@media (max-width: 768px){.students-container{padding:1rem}.students-container h2{font-size:1.5rem;margin-bottom:1rem}.filter-controls{flex-direction:column;align-items:flex-start}.filter-controls span{margin-bottom:.5rem;margin-right:0}.filter-buttons{width:100%}.filter-buttons button{flex:1;text-align:center;padding:.5rem;font-size:.9rem}.search-container{max-width:100%}.courses-cell{max-width:150px}}@media (max-width: 480px){.students-container h2{font-size:1.3rem}.role-text{font-size:.85rem}}.student-detail-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;padding:1rem}.student-detail{background-color:var(--surface-color);border-radius:8px;box-shadow:0 4px 12px #00000026;width:100%;max-width:900px;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column}.detail-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);background-color:var(--surface-color)}.detail-header h3{margin:0;font-size:1.25rem;color:var(--primary-color)}.close-button{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-color);padding:0;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%}.close-button:hover{background-color:var(--hover-background)}.detail-content{padding:1.5rem;overflow-y:auto}.detail-footer{padding:1rem 1.5rem;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;background-color:var(--surface-color)}.close-detail-button{padding:.5rem 1.5rem;background-color:var(--primary-color);color:var(--text-color);border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:background-color .2s}.close-detail-button:hover{background-color:var(--primary-dark)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.detail-section{margin-bottom:1.5rem}.detail-section h4{margin-top:0;margin-bottom:1rem;color:var(--primary-color);font-size:1.1rem;border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.detail-item{display:flex;margin-bottom:.75rem}.detail-item .label{font-weight:500;min-width:120px;color:var(--text-secondary)}.courses-list{display:flex;flex-direction:column;gap:1rem}.course-item{background-color:var(--surface-color, #ffffff);border-radius:4px;padding:1rem;border-left:4px solid var(--primary-color, #4a90e2);box-shadow:0 1px 3px #0000001a}.course-item h5{margin-top:0;margin-bottom:.75rem;color:var(--primary-color, #4a90e2);font-weight:600}.course-details{display:flex;flex-direction:column;gap:.5rem;color:var(--text-color, #333333)}.no-courses,.no-info{padding:1rem;background-color:var(--surface-color, #ffffff);border-radius:4px;text-align:center;color:var(--text-secondary, #666666);border:1px dashed var(--border-color, #dddddd)}.status-text{font-weight:500;text-transform:capitalize}.status-text.enrolled{color:var(--success-color, #2e7d32)}.status-text.pending{color:var(--warning-color, #f57f17)}.status-text.withdrawn{color:var(--error-color, #c62828)}@media (max-width: 768px){.detail-grid{grid-template-columns:1fr;gap:1rem}.student-detail{max-height:95vh}.detail-header h3{font-size:1.1rem}.detail-item{flex-direction:column}.detail-item .label{margin-bottom:.25rem}}.student-detail-content{background-color:var(--surface-color);border-radius:8px;box-shadow:0 2px 10px #0000001a;margin-bottom:2rem;overflow:hidden}.student-detail-content .detail-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background-color:var(--surface-color);border-bottom:1px solid var(--border-color)}.student-detail-content .detail-header h3{margin:0;font-size:1.25rem;color:var(--primary-color)}.back-button{display:flex;align-items:center;padding:.5rem 1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:background-color .2s}.back-button:hover{background-color:var(--primary-hover, #3a7bc8)}.back-button:before{content:"←";margin-right:.5rem;font-size:1.1rem}@media (max-width: 768px){.student-detail-content .detail-header{flex-direction:column;align-items:flex-start;gap:1rem}.student-detail-content .detail-header h3{font-size:1.1rem}.back-button{width:100%;justify-content:center}}