:root{--black:#000000;--white:#ffffff;--dark-blue:#293d58;--gray:#d4e6fd;--light-gray:#b8c5d0;--light-gray2:#b2aeaf;--light-blue:#5d71ea;--purple-color:#6e84d2;--purple2-color:#5e78d4;--green-color:#11c89c;--pink-color:#9d60cc;--red-color:#e96464;--app-primary:#5d71ea;--app-primary-hover:#4c5fd2;--app-danger:#FF8585;--app-warning:#ffc107;--app-placeholder:#f8f9fa;--gradient-start:#2d3c9c;--gradient-mid:#7b6ab8;--gradient-end:#d4915e;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 2px 4px rgba(0,0,0,0.1);--shadow-lg:0 4px 8px rgba(0,0,0,0.15);--shadow-xl:0 8px 16px rgba(0,0,0,0.2)}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{font-size:62.5%}body{font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:1.4rem;line-height:1.6;color:var(--dark-blue);background-color:#ffffff;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:1rem;color:var(--dark-blue)}h1{font-size:3rem}h2{font-size:2.4rem}h3{font-size:2rem}h4{font-size:1.8rem}h5{font-size:1.6rem}h6{font-size:1.4rem}p{margin-bottom:1rem}a{color:var(--app-primary);text-decoration:none;transition:color 0.2s ease}a:hover{color:var(--app-primary-hover)}ul,ol{list-style:none;padding:0;margin:0}.header{display:flex;align-items:center;justify-content:space-between;padding:0.6rem 2rem;background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-mid) 50%,var(--gradient-end) 100%);box-shadow:var(--shadow-md);min-height:50px;max-height:80px;position:relative;z-index:100;gap:1.5rem}.header-nav-links{display:flex;align-items:center;gap:1.5rem}.nav-link{display:inline-flex;align-items:center;gap:0.5rem;color:rgba(255,255,255,0.95);font-size:1.5rem;font-weight:500;padding:0.6rem 1.2rem;border-radius:6px;transition:all 0.2s ease;position:relative;white-space:nowrap}.nav-link::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%) scaleX(0);width:80%;height:2px;background-color:white;transition:transform 0.2s ease}.nav-link:hover{color:white;background-color:rgba(255,255,255,0.15)}.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}.nav-link i{font-size:1.6rem}.search-container{position:relative;flex:1;max-width:700px;margin:0 2rem}.search-form{position:relative;width:100%}#search-input,.search-input{width:100%;padding:0.7rem 7rem 0.7rem 1.5rem;font-size:1.4rem;border:none;border-radius:25px;background:rgba(255,255,255,0.95);color:var(--dark-blue);transition:all 0.2s ease;outline:none;box-shadow:0 2px 8px rgba(0,0,0,0.08)}#search-input:focus,.search-input:focus{background:white;box-shadow:0 4px 12px rgba(0,0,0,0.12)}#search-input::placeholder,.search-input::placeholder{color:rgba(41,61,88,0.5)}#search-btn,.search-btn{position:absolute;right:3px;top:50%;transform:translateY(-50%);padding:0.6rem 1.8rem;background:linear-gradient(135deg,var(--app-primary) 0%,var(--app-primary-hover) 100%);color:white;border:none;border-radius:20px;font-size:1.3rem;font-weight:500;cursor:pointer;transition:all 0.2s ease}#search-btn:hover,.search-btn:hover{background:linear-gradient(135deg,var(--app-primary-hover) 0%,var(--app-primary) 100%);box-shadow:0 2px 8px rgba(93,113,234,0.3)}#search-results{position:absolute;top:calc(100% + 0.5rem);left:0;right:0;background:white;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,0.15);max-height:500px;overflow-y:auto;z-index:1000;display:none}#search-results.active{display:block}.dropmenu{position:relative;display:flex;align-items:center}.dropmenu-btn{display:flex;align-items:center;gap:0.8rem;padding:0.5rem 1rem;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:20px;color:white;font-size:1.4rem;font-weight:500;cursor:pointer;transition:all 0.2s ease}.dropmenu-btn:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3)}.user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,0.3)}.dropdown-arrow{font-size:1.2rem;transition:transform 0.2s ease}.dropmenu:hover .dropdown-arrow{transform:rotate(180deg)}.dropmenu-list{position:absolute;top:calc(100% + 0.8rem);right:0;min-width:200px;background:white;border-radius:8px;box-shadow:var(--shadow-xl);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.2s ease;overflow:hidden}.dropmenu:hover .dropmenu-list{opacity:1;visibility:visible;transform:translateY(0)}.dropmenu-list ul{padding:0.5rem 0}.dropmenu-list li a{display:flex;align-items:center;gap:1rem;padding:0.8rem 1.5rem;color:var(--dark-blue);font-size:1.4rem;transition:background-color 0.2s ease}.dropmenu-list li a:hover{background-color:var(--app-placeholder);color:var(--app-primary)}.dropmenu-list li a i{width:1.6rem;color:var(--app-primary)}.dropdown-divider{height:1px;background-color:#e5e7eb;margin:0.5rem 0}.brand-text{font-family:'Allura',cursive;font-size:3rem;color:white;white-space:nowrap;text-decoration:none;line-height:1;transition:opacity 0.2s ease}.brand-text:hover{color:white;opacity:0.9}@media (max-width:992px){.header{padding:0.8rem 1.5rem}.nav-link{font-size:1.4rem;padding:0.5rem 1rem}}@media (max-width:768px){.header{flex-wrap:wrap;padding:0.6rem 1rem;max-height:none;min-height:auto;gap:0.5rem}.brand-text{order:1;font-size:2.4rem}.header-nav-links{order:2;gap:0.8rem}.header>.flex-shrink-0:last-child,.header>div:last-child{order:3;margin-left:auto}.search-container{order:4;flex:0 0 100%;max-width:100%;margin:0}.nav-link{font-size:1.3rem;padding:0.4rem 0.8rem}.nav-link span{display:none}.nav-link i{font-size:1.6rem}.user-avatar{width:24px;height:24px}.dropmenu-btn{padding:0.4rem 0.8rem;font-size:1.3rem}}@media (max-width:480px){.header{padding:0.5rem 0.8rem;gap:0.4rem}.brand-text{font-size:2rem}.nav-link{font-size:1.2rem;padding:0.3rem 0.6rem;gap:0.3rem}.header-nav-links{gap:0.5rem}#search-input,.search-input{font-size:1.3rem;padding:0.6rem 6rem 0.6rem 1.2rem}#search-btn,.search-btn{padding:0.5rem 1.2rem;font-size:1.2rem}.user-avatar{width:22px;height:22px}.dropmenu-btn{gap:0.5rem;padding:0.3rem 0.6rem}.dropdown-arrow{font-size:1rem}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.8rem 2rem;font-size:1.4rem;font-weight:500;border-radius:6px;border:1px solid transparent;cursor:pointer;transition:all 0.2s ease;outline:none;position:relative;overflow:hidden}.main-content,.container{width:100%;max-width:1400px;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);margin-left:auto;margin-right:auto;padding-left:3rem;padding-right:3rem}.content{min-height:calc(100vh - 80px);display:block;padding:2rem 0}.crispy-form,.main-content form{max-width:800px;margin-left:auto;margin-right:auto;padding:2rem 3rem}.btn:focus{outline:2px solid var(--app-primary);outline-offset:2px}.btn-primary,.submit-btn,button[type="submit"]{background:linear-gradient(135deg,var(--app-primary) 0%,var(--app-primary-hover) 100%);color:white;border:none;box-shadow:0 2px 8px rgba(93,113,234,0.2)}.btn-primary:hover,.submit-btn:hover,button[type="submit"]:hover{background:linear-gradient(135deg,var(--app-primary-hover) 0%,var(--app-primary) 100%);box-shadow:0 4px 12px rgba(93,113,234,0.3);transform:translateY(-1px)}.btn-secondary{background:white;color:var(--app-primary);border:2px solid var(--app-primary)}.btn-secondary:hover{background:var(--app-primary);color:white;box-shadow:0 2px 8px rgba(93,113,234,0.2)}.btn-danger{background:var(--app-danger);color:white}.btn-danger:hover{background:#ff6b6b;box-shadow:0 2px 8px rgba(255,133,133,0.3)}.btn-ghost{background:transparent;color:var(--app-primary);border:1px solid rgba(93,113,234,0.3)}.btn-ghost:hover{background:rgba(93,113,234,0.05);border-color:var(--app-primary)}input[type="text"],input[type="email"],input[type="password"],input[type="number"],input[type="date"],input[type="tel"],textarea,select{width:100%;padding:0.8rem 1.2rem;font-size:1.4rem;border:1px solid #e5e7eb;border-radius:6px;background:white;color:var(--dark-blue);transition:all 0.2s ease;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--app-primary);box-shadow:0 0 0 3px rgba(93,113,234,0.1)}label{display:block;margin-bottom:0.5rem;font-size:1.3rem;font-weight:500;color:var(--dark-blue)}.form-group{margin-bottom:1.5rem}input[type="checkbox"],input[type="radio"]{width:1.6rem;height:1.6rem;margin-right:0.5rem;cursor:pointer}input[type="file"]{padding:0.6rem;font-size:1.3rem;border:2px dashed #e5e7eb;border-radius:6px;background:#f9fafb;cursor:pointer}input[type="file"]:hover{border-color:var(--app-primary);background:rgba(93,113,234,0.02)}.card{background:white;border-radius:8px;padding:1.5rem;box-shadow:var(--shadow-md);transition:all 0.2s ease}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card-header{padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid #e5e7eb}.card-title{font-size:1.8rem;font-weight:600;color:var(--dark-blue);margin:0}.card-body{padding:0}.mt-1{margin-top:0.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}.mb-1{margin-bottom:0.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mb-5{margin-bottom:3rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}.p-5{padding:3rem}.text-left{text-align:left}.text-center{text-align:center}.d-none{display:none}.d-block{display:block}.d-inline{display:inline}.d-inline-block{display:inline-block}.d-flex{display:flex}.d-grid{display:grid}.align-items-center{align-items:center}.justify-content-center{justify-content:center}.justify-content-between{justify-content:space-between}.flex-wrap{flex-wrap:wrap}.flex-column{flex-direction:column}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.transition-all{transition:all 0.2s ease}.transition-transform{transition:transform 0.2s ease}.loading{animation:pulse 2s cubic-bezier(0.4,0,0.6,1) infinite}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{from{max-height:0;opacity:0}to{max-height:500px;opacity:1}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes slideOutRight{from{transform:translateX(0);opacity:1}to{transform:translateX(100%);opacity:0}}@keyframes pulse-glow{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.8;transform:scale(1.1)}}.footer{background-color:#f8f9fa;border-top:1px solid #dee2e6;margin-top:4rem;padding:3rem 0}.footer .container{max-width:100%!important;padding-left:2rem;padding-right:2rem}.footer-table{width:100%;border-collapse:collapse;table-layout:fixed}.footer-row{border-bottom:1px solid #e9ecef}.footer-row:last-child{border-bottom:none}.footer-column{padding:1rem 2rem;text-align:center;width:33.333%}.footer-link{color:var(--dark-blue);font-size:1.4rem;font-weight:500;transition:color 0.2s ease;text-decoration:none}.footer-link:hover{color:var(--app-primary);text-decoration:underline}@media (max-width:768px){.footer-table{display:block}.footer-row{display:block;border-bottom:none}.footer-column{display:block;width:100%;padding:0.75rem 1rem;text-align:left;border-bottom:1px solid #e9ecef}.footer-column:last-child{border-bottom:none}}.toast-message{position:relative;padding:12px 40px 12px 16px;border-radius:8px;background:white;border-left:4px solid;font-size:1.4rem;line-height:1.5}.toast-message.alert-success{border-left-color:#28a745;background-color:#d4edda;color:#155724}.toast-message.alert-error,.toast-message.alert-danger{border-left-color:#dc3545;background-color:#f8d7da;color:#721c24}.toast-message.alert-info{border-left-color:#17a2b8;background-color:#d1ecf1;color:#0c5460}.toast-message .btn-close{background:transparent;border:none;font-size:1.2rem;cursor:pointer;opacity:0.5;transition:opacity 0.2s ease}.toast-message .btn-close:hover{opacity:1}.toast-message.fade-out{animation:slideOutRight 0.3s ease-out forwards}@media print{.header,.dropmenu,.search-container,.btn,button,#toast-container{display:none!important}body{font-size:12pt;color:black;background:white}a{color:black;text-decoration:underline}}.category-grid,.mentor-expertise-list,.concept-groups-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1200px;margin:2rem auto;padding:0 2rem}.small-mentor-playlist-button,.concept-group-item{background:white;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:all 0.2s ease;text-align:center}.page-header,h1.page-title{text-align:center;margin:2rem auto 3rem;padding:0 2rem;max-width:800px}.category-item{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;background:#fff;border:2px solid #e9ecef;border-radius:12px;text-decoration:none;color:#495057;transition:all 0.3s ease;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.category-item:hover{transform:translateY(-2px);border-color:var(--app-primary-hover);box-shadow:0 4px 12px rgba(0,123,255,0.15);color:var(--app-primary-hover);text-decoration:none}.category-name{font-weight:600;font-size:1.1rem}.category-item i{font-size:1.5rem;opacity:0.7}.navigation-header{display:flex;align-items:center;padding:1rem 0;border-bottom:2px solid #e9ecef}.navigation-header .section-title{color:#495057;font-weight:600;border-bottom:2px solid #e9ecef;padding-bottom:0.5rem;margin-bottom:1rem}.navigation-header h2{font-size:1.5rem}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:.4s;border-radius:24px}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:white;transition:.4s;border-radius:50%}input:checked + .toggle-slider{background-color:var(--app-primary)}input:focus + .toggle-slider{box-shadow:0 0 1px var(--app-primary)}input:checked + .toggle-slider:before{transform:translateX(20px)}.toggle-switch:hover .toggle-slider{background-color:#bbb}input:checked + .toggle-switch:hover .toggle-slider{background-color:var(--app-primary-hover)}.concept-button{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.8rem 1.5rem;font-size:1.4rem;font-weight:500;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:all 0.2s ease;background-color:var(--purple-color);color:white;text-decoration:none;box-shadow:var(--shadow-sm)}.concept-button:hover{background-color:var(--purple2-color);color:white;text-decoration:none;box-shadow:var(--shadow-md);transform:translateY(-1px)}.concept-button:focus{outline:2px solid var(--app-primary);outline-offset:2px}.concept-button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}@media (prefers-color-scheme:dark){.concept-button{background-color:var(--purple2-color);color:white}.concept-button:hover{background-color:var(--purple-color)}}@media (max-width:480px){.concept-button{font-size:1.3rem;padding:0.6rem 1.2rem}}.autocomplete-container{position:relative}.autocomplete-suggestions{position:absolute;top:100%;left:0;right:0;background:white;border:1px solid #e5e7eb;border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,0.15);max-height:300px;overflow-y:auto;z-index:1000;margin-top:2px}.autocomplete-item{cursor:pointer;border-bottom:1px solid #f1f3f4;transition:background-color 0.2s ease}.autocomplete-item:hover{background-color:var(--app-placeholder)}.autocomplete-item:last-child{border-bottom:none}.autocomplete-item:active{background-color:var(--app-primary);color:white}.autocomplete-item:active .text-muted,.autocomplete-item:active .text-info{color:rgba(255,255,255,0.8)!important}.concept-group-selectable{transition:all 0.2s ease;cursor:pointer}.concept-group-selectable:hover{background-color:#f8f9fa;border-color:#6c757d;transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,0.1)}.concept-group-title{font-weight:600;color:#495057}.loading-trigger{height:50px;display:flex;align-items:center;justify-content:center}.small-mentor-playlist-button{cursor:pointer;transition:background-color 0.2s ease;border:1px solid #dee2e6}.small-mentor-playlist-button:hover{background-color:white;border-color:var(--light-gray2)}.playlist-title{font-size:0.95rem;font-weight:600;color:#495057}.playlist-action button{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center}.bookmark-icon{color:var(--light-gray2)}.analytics-container{padding:20px}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.summary-card{background:white;border:1px solid #ddd;border-radius:8px;padding:20px;text-align:center;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.summary-card h3{font-size:14px;color:#666;margin:0 0 10px 0;text-transform:uppercase;font-weight:normal}.summary-card .number{font-size:36px;font-weight:bold;color:#333}.summary-card.problems .number{color:#dc3545}.summary-card.flags .number{color:#ffc107}.summary-card.deactivated .number{color:#6c757d}.summary-card.completion .number{color:#28a745}.chart-section{background:white;border:1px solid #ddd;border-radius:8px;padding:20px;margin-bottom:30px;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.chart-section h2{margin-top:0;margin-bottom:20px;font-size:20px;color:#333}.tab-container{background:white;border:1px solid #ddd;border-radius:8px;padding:20px;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.nav-tabs{display:flex;border-bottom:2px solid #ddd;margin-bottom:20px;flex-wrap:wrap}.nav-tab{padding:10px 20px;cursor:pointer;border:none;background:none;font-size:14px;color:#666;border-bottom:3px solid transparent;transition:all 0.2s}.nav-tab:hover{color:#333;background:#f8f9fa}.nav-tab.active{color:#417690;border-bottom-color:#417690;font-weight:bold}.tab-badge{display:inline-block;background:#dc3545;color:white;padding:2px 8px;border-radius:12px;font-size:12px;margin-left:5px}.tab-badge.warning{background:#ffc107;color:#000}.tab-badge.info{background:#17a2b8}.tab-content{display:none}.tab-content.active{display:block}.problem-table{width:100%;border-collapse:collapse}.problem-table th{background:#f8f9fa;padding:12px;text-align:left;font-weight:600;border-bottom:2px solid #ddd;font-size:13px}.problem-table td{padding:12px;border-bottom:1px solid #eee;font-size:13px}.problem-table tr:hover{background:#f8f9fa}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-danger{background:#dc3545;color:white}.badge-warning{background:#ffc107;color:#000}.badge-info{background:#17a2b8;color:white}.action-links{display:flex;gap:10px}.action-links a{text-decoration:none;color:#417690}.action-links a:hover{text-decoration:underline}.empty-state{padding:40px;text-align:center;color:#666}.empty-state i{font-size:48px;color:#ddd;margin-bottom:10px}.bokeh-plot-container{min-height:400px}.answer-options-container{display:flex;flex-direction:column;gap:1rem}.answer-option{border:2px solid #e9ecef;border-radius:8px;cursor:pointer;transition:all 0.2s ease;background:white}.answer-option:hover{border-color:var(--app-primary);background-color:rgba(93,113,234,0.05)}.answer-option.selected{border-color:var(--app-primary);background-color:rgba(93,113,234,0.1)}.answer-option input[type="radio"]{transform:scale(1.2)}.tabs{display:flex;cursor:pointer}.tab{padding:10px;border:1px solid #ccc;border-bottom:none;background-color:#f1f1f1}.tab.active{background-color:#fff;border-bottom:1px solid #fff}.tab-content{display:none;border:1px solid #ccc;padding:10px}.tab-content.active{display:block}.result-item{padding:10px 16px;border-bottom:1px solid #f1f3f4;transition:background-color 0.2s}.result-item:hover{background-color:#f8f9fa}.result-item:last-child{border-bottom:none}.result-item a{text-decoration:none;color:inherit;display:block}.result-item h4{margin:0 0 4px 0;font-size:0.95rem;font-weight:600}.result-item p{margin:0;color:#6c757d;font-size:0.85rem}.search-section{border-bottom:1px solid #e5e7eb}#search-results .section-header{padding:8px 16px;background:linear-gradient(135deg,#5d71ea 0%,#92e6f1 100%);color:white;font-weight:600;font-size:0.9rem;text-transform:uppercase;letter-spacing:0.5px}.results-list{display:flex;flex-direction:column}.teacher-comparison-inline{display:inline-flex;align-items:center;gap:0.5rem;font-size:1.3rem}.teacher-comparison-inline .fa-trophy{color:var(--app-warning);font-size:1.6rem;animation:pulse-glow 2s ease-in-out infinite}.teacher-comparison-inline .text-warning{color:var(--app-warning)}.teacher-comparison-inline .text-success{color:var(--green-color)}#comparison-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:9999;padding:2rem;overflow-y:auto}#comparison-modal:empty{display:none}#comparison-modal .modal-content{background:white;border-radius:12px;box-shadow:var(--shadow-xl);max-width:900px;width:100%;max-height:90vh;overflow-y:auto;padding:2rem}#comparison-modal .modal-header{border-bottom:2px solid var(--app-placeholder);padding-bottom:1rem;margin-bottom:2rem}#comparison-modal .btn-close{background:transparent;border:none;font-size:2rem;cursor:pointer;color:var(--dark-blue);padding:0.5rem;transition:all 0.2s ease}#comparison-modal .btn-close:hover{color:var(--app-danger);transform:scale(1.1)}.mermaid-container{background:var(--app-placeholder);border-radius:8px;padding:2rem;margin:1rem 0}.mermaid-container .mermaid{background:white;padding:1rem;border-radius:6px}.comparison-table{font-size:1.4rem}.comparison-table thead{background:linear-gradient(135deg,var(--app-primary) 0%,var(--app-primary-hover) 100%);color:white}.comparison-table thead th{padding:1rem;font-weight:600;border:none}.comparison-table tbody td{padding:1rem;vertical-align:middle}.comparison-table tbody tr{transition:background-color 0.2s ease}.comparison-table tbody tr:hover{background-color:rgba(93,113,234,0.05)}.comparison-table .table-primary{background-color:rgba(93,113,234,0.1);border-left:3px solid var(--app-primary)}@media (max-width:768px){#comparison-modal{padding:1rem}#comparison-modal .modal-content{padding:1.5rem}.comparison-table{font-size:1.2rem}.mermaid-container{padding:1rem}}.expertise-container{padding:2rem 0;min-height:calc(100vh - 70px);margin-top:0}.expertise-header{background:linear-gradient(to right,var(--app-primary),#8ee7f5);padding:2rem;border-radius:16px;margin-bottom:2rem;box-shadow:0 4px 20px rgba(93,113,234,0.15)}.expertise-title{color:white;font-size:2rem;font-weight:600;margin-bottom:1rem}.add-expertise-btn{background:white;color:var(--app-primary);padding:1rem 2rem;border-radius:50px;font-weight:600;transition:all 0.3s ease;display:inline-flex;align-items:center;gap:0.5rem;box-shadow:0 4px 15px rgba(93,113,234,0.1)}.add-expertise-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(93,113,234,0.2)}.add-expertise-btn i{font-size:1.2rem}.expertise-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;padding:1rem 0}.expertise-container .path-card{background:white!important;border-radius:12px!important;padding:0!important;transition:all 0.3s ease!important;border:1px solid rgba(93,113,234,0.1)!important;box-shadow:0 4px 15px rgba(93,113,234,0.05)!important;display:flex!important;flex-direction:column!important;height:100%!important;overflow:hidden!important;text-align:left!important;align-items:stretch!important;justify-content:flex-start!important;cursor:default!important}.expertise-container .path-card:hover{transform:translateY(-3px)!important;box-shadow:0 8px 25px rgba(93,113,234,0.1)!important}.expertise-container .path-card::before{display:none!important}.expertise-container .card-header{display:flex;gap:1rem;padding:1.25rem;align-items:flex-start;background:linear-gradient(135deg,var(--app-primary),#8ee7f5);color:white;border-bottom:none;margin-bottom:0}.mentor-avatar{flex-shrink:0;width:50px;height:50px}.avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,0.3)}.expertise-container .avatar-placeholder{width:100%;height:100%;border-radius:50%;background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.8);font-size:1.5rem;border:2px solid rgba(255,255,255,0.3)}.expertise-container .card-content{flex:1;min-width:0}.expertise-container .expertise-card-title,.expertise-container .path-card h3{color:white!important;font-size:1.1rem!important;font-weight:600!important;margin-bottom:0.5rem!important;margin-top:0!important;line-height:1.4!important;overflow:hidden!important;text-overflow:ellipsis!important}.expertise-card-description{color:rgba(255,255,255,0.9);font-size:0.9rem;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.expertise-container .card-actions{display:flex;gap:0.5rem;padding:1rem 1.25rem;border-top:1px solid var(--app-placeholder);margin-top:auto;justify-content:flex-end}.card-action-btn{padding:0.5rem;border-radius:6px;font-size:0.85rem;font-weight:500;transition:all 0.2s ease;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;text-decoration:none;border:none;cursor:pointer}.view-btn{color:var(--app-primary);background:var(--app-placeholder)}.view-btn:hover{background:var(--app-primary);color:white}.edit-btn{color:var(--green-color);background:rgba(17,200,156,0.1)}.edit-btn:hover{background:var(--green-color);color:white}.delete-btn{color:var(--app-danger);background:rgba(255,133,133,0.1)}.delete-btn:hover{background:var(--app-danger);color:white}.expertise-container .section-header{margin:2rem 0 1.5rem}.expertise-container .section-title{font-size:1.5rem;color:var(--dark-blue);font-weight:600;display:flex;align-items:center;gap:0.75rem}.inline{display:inline}@media (max-width:768px){.expertise-grid{grid-template-columns:1fr}.expertise-header{text-align:center;padding:1.5rem}.expertise-container .card-header{gap:0.75rem}.mentor-avatar{width:40px;height:40px}.expertise-container .expertise-card-title{font-size:1rem}.expertise-card-description{font-size:0.85rem}}.goals-section-label{font-size:1.1rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:white;background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-end) 100%);margin:0 0 0.6rem 0;padding:0.5rem 1rem;border-radius:6px;display:flex;align-items:center;gap:0.6rem}.goals-section-label i{font-size:1.2rem;opacity:0.85}.goals-container{display:flex;flex-direction:column;gap:0.4rem;margin:1rem 0}.goal-card{display:flex;flex-direction:column;border-radius:6px;overflow:hidden;transition:background-color 0.2s ease}.goal-card:hover{background-color:rgba(0,0,0,0.02)}.goal-header{display:flex;align-items:center;gap:0.8rem;padding:0.4rem 0.8rem;min-height:30px}.goal-title{font-size:1.5rem;font-weight:600;color:#2c3e50;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.goal-updated{font-size:1.2rem;color:#95a5a6;font-weight:400;white-space:nowrap}.goal-details{display:grid;grid-template-columns:auto auto auto auto auto auto auto;align-items:center;gap:0.8rem;padding:0.4rem 0.8rem;background:linear-gradient(180deg,#fcfcfc 0%,#f8f8f8 100%);font-size:1.2rem}.goal-hours,.goal-progress{color:#95a5a6;font-weight:400;white-space:nowrap}.goal-divider{color:#d0d0d0;font-weight:300;user-select:none}.goal-icon{display:inline-flex;align-items:center;justify-content:center;padding:0.2rem;background:none;border:none;cursor:pointer;transition:opacity 0.2s ease;text-decoration:none}.goal-icon:hover{opacity:0.7}.goal-icon img{display:block}.goal-delete{color:#95a5a6;transition:color 0.2s ease}.goal-delete:hover{color:#e74c3c;opacity:1}.goal-delete i{font-size:1.6rem}.no-goals{padding:2rem;text-align:center;color:#95a5a6;font-size:1.4rem}@media (max-width:480px){.goal-header{display:grid;grid-template-columns:auto auto auto auto auto auto auto;align-items:center}.goal-title{font-size:1.4rem;white-space:normal}.goal-updated{font-size:1.1rem;align-content:end}.goal-details{flex-wrap:wrap;align-items:center;gap:0.6rem;padding:0.6rem 0.8rem}.goal-divider{display:none}}.drag-over{border-color:var(--app-primary)!important;background-color:rgba(93,113,234,0.05)!important}.draggable{cursor:move}.draggable:hover{box-shadow:0 4px 12px rgba(0,0,0,0.15)}.path-hero-banner{background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-end) 100%);border-radius:12px;padding:2.5rem 3rem;margin-bottom:2rem;box-shadow:0 4px 20px rgba(93,113,234,0.15)}.path-hero-content{display:flex;align-items:center;justify-content:center;gap:1.5rem}.path-hero-title{color:white;font-size:2.6rem;font-weight:700;margin:0;text-align:center}.path-hero-actions{flex-shrink:0;display:flex;align-items:center;gap:1.25rem}.path-hero-actions .bookmark-icon{color:rgba(255,255,255,0.7)!important}.path-hero-start-learning-btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.6rem 1.2rem;background:rgba(255,255,255,0.2);color:white;border:1px solid rgba(255,255,255,0.5);border-radius:6px;font-weight:600;font-size:1rem;text-decoration:none;transition:all 0.2s ease;cursor:pointer;white-space:nowrap}.path-hero-start-learning-btn:hover{background:rgba(255,255,255,0.3);border-color:rgba(255,255,255,0.8);text-decoration:none;transform:translateY(-1px)}.path-hero-start-learning-btn:active{transform:translateY(0);background:rgba(255,255,255,0.25)}.path-hero-actions .fas.fa-bookmark{color:white!important;font-size:1.6rem!important}.path-hero-actions .fa-solid.fa-bookmark{color:rgba(255,255,255,0.5)!important;font-size:1.6rem!important}.path-about-section{background:white;border-radius:10px;padding:2rem 2.5rem;margin-bottom:2rem;box-shadow:var(--shadow-md)}.path-section-heading{font-size:1.8rem;font-weight:600;color:var(--dark-blue);margin-bottom:1.2rem;display:flex;align-items:center;gap:0.8rem}.path-section-heading i{color:var(--app-primary);font-size:1.6rem}.path-description-text{font-size:1.5rem;line-height:1.8;color:#4a5568;margin:0}.path-guide-card{background:white;border-radius:10px;padding:2rem;box-shadow:var(--shadow-md);border-left:4px solid var(--app-primary);position:relative;overflow:hidden}.path-guide-card .compass-bg{position:absolute;right:-1rem;bottom:-1rem;font-size:8rem;color:rgba(93,113,234,0.05);pointer-events:none}.path-learn-card{background:white;border-radius:10px;padding:2rem;box-shadow:var(--shadow-md);border-top:4px solid var(--gradient-end)}.sub-playlist-item{display:flex;align-items:center;padding:1rem 1.2rem;background:white;border:1px solid #e5e7eb;border-radius:8px;transition:all 0.2s ease}.sub-playlist-item:hover{box-shadow:var(--shadow-md);border-color:var(--app-primary);transform:translateY(-1px)}.path-grid-hero{background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-end) 100%);border-radius:12px;padding:1.5rem 2rem;margin-bottom:2rem;box-shadow:0 4px 20px rgba(93,113,234,0.15);display:flex;align-items:center;gap:1.5rem}.path-grid-hero-title{color:white;font-size:2rem;font-weight:600;margin:0}.path-card-body{padding:1.25rem;flex:1}.path-card-description{font-size:1.3rem;color:#6b7280;line-height:1.6;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.path-card-tags{display:flex;flex-wrap:wrap;gap:0.5rem}.path-concept-tag{display:inline-block;padding:0.3rem 0.8rem;background:rgba(93,113,234,0.08);color:var(--app-primary);border-radius:20px;font-size:1.2rem;font-weight:500;text-decoration:none;transition:all 0.2s ease}.path-concept-tag:hover{background:var(--app-primary);color:white;text-decoration:none}@media (max-width:768px){.path-hero-banner{padding:2rem 1.5rem;border-radius:8px}.path-hero-title{font-size:2rem}.path-hero-content{flex-direction:column;gap:1rem}.path-hero-actions{flex-direction:column;width:100%;gap:0.8rem}.path-hero-start-learning-btn{width:100%;justify-content:center}.path-grid-hero{flex-direction:column;text-align:center;padding:1.5rem}.path-grid-hero-title{font-size:1.6rem}}@media (max-width:480px){.path-hero-banner{padding:1.5rem 1rem}.path-hero-title{font-size:1.8rem}.path-about-section{padding:1.5rem}.path-guide-card,.path-learn-card{padding:1.5rem}}.cg-hero{background:linear-gradient(135deg,var(--gradient-start) 0%,var(--gradient-end) 100%);border-radius:12px;padding:2.5rem 3rem;margin-bottom:2rem;box-shadow:0 4px 20px rgba(93,113,234,0.15)}.cg-hero-content{display:flex;align-items:center;justify-content:center;gap:1.5rem}.cg-hero-title{color:white;font-size:2.6rem;font-weight:700;margin:0;text-align:center}.cg-hero-actions{flex-shrink:0}.cg-hero-actions .bookmark-icon{color:rgba(255,255,255,0.7)!important;font-size:1.6rem!important}.cg-hero-description{color:rgba(255,255,255,0.9);font-size:1.5rem;text-align:center;margin:1rem 0 0;line-height:1.6}.cg-section{max-width:900px;margin:2rem auto}.cg-section-heading{font-size:1.8rem;font-weight:600;color:var(--dark-blue);margin-bottom:1.2rem;display:flex;align-items:center;gap:0.8rem}.cg-section-heading i{color:var(--app-primary);font-size:1.6rem}.cg-recommended-card{background:white;border-radius:10px;padding:2rem 2.5rem;box-shadow:var(--shadow-md);border-left:4px solid var(--app-primary)}.cg-recommended-header{margin-bottom:1rem}.cg-recommended-teacher{display:flex;align-items:center;gap:1rem}.cg-teacher-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--app-primary);flex-shrink:0}.cg-teacher-avatar-placeholder{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--app-primary),var(--gradient-end));display:flex;align-items:center;justify-content:center;color:white;font-size:1.6rem;font-weight:600;flex-shrink:0}.cg-teacher-info{display:flex;flex-direction:column;gap:0.2rem}.cg-teacher-name{font-size:1.5rem;font-weight:600;color:var(--dark-blue)}.cg-modality-badge{display:inline-flex;align-items:center;gap:0.4rem;padding:0.2rem 0.8rem;background:rgba(93,113,234,0.08);color:var(--app-primary);border-radius:20px;font-size:1.2rem;font-weight:500;width:fit-content}.cg-recommended-title{font-size:2rem;font-weight:600;color:var(--dark-blue);margin:0.5rem 0}.cg-recommended-description{font-size:1.4rem;color:#4a5568;line-height:1.7;margin-bottom:1.5rem}.cg-action-group{display:flex;flex-direction:column;gap:1rem}.cg-start-btn{min-height:48px;font-size:1.5rem;gap:0.8rem}.cg-followup-actions{display:flex;gap:1rem;flex-wrap:wrap}.cg-followup-actions .btn{flex:1;min-width:140px}.cg-concept-list{display:flex;flex-direction:column;gap:0.5rem}.cg-concept-item{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:white;border:1px solid #e5e7eb;border-radius:8px;transition:all 0.2s ease}.cg-concept-item:hover{box-shadow:var(--shadow-md);border-color:var(--app-primary);transform:translateY(-1px)}.cg-concept-item-info{display:flex;flex-direction:column;gap:0.2rem;min-width:0;flex:1}.cg-concept-item-name{font-size:1.5rem;font-weight:600;color:var(--dark-blue);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cg-concept-item-teacher{font-size:1.3rem;color:#6b7280}.cg-concept-item-meta{display:flex;align-items:center;gap:1rem;flex-shrink:0}.cg-external-link{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:6px;color:var(--app-primary);background:var(--app-placeholder);transition:all 0.2s ease}.cg-external-link:hover{background:var(--app-primary);color:white}.cg-empty-state{text-align:center;padding:4rem 2rem;max-width:600px;margin:2rem auto}.cg-empty-icon{font-size:5rem;color:var(--green-color);margin-bottom:1.5rem;display:block}.cg-empty-title{font-size:2rem;font-weight:600;color:var(--dark-blue);margin-bottom:1rem}.cg-empty-description{font-size:1.5rem;color:#4a5568;line-height:1.7;margin-bottom:2rem}.cg-empty-cta{min-height:48px;font-size:1.5rem;gap:0.8rem}.cg-empty-suggestion{font-size:1.5rem;color:#6b7280;margin-bottom:1.5rem}.cg-teacher-cta{max-width:900px;margin:2rem auto;display:flex;align-items:center;gap:1.5rem;padding:1.5rem 2rem;border:2px dashed #e5e7eb;border-radius:10px;background:#fafbfc;transition:border-color 0.2s ease}.cg-teacher-cta:hover{border-color:var(--app-primary)}.cg-teacher-cta>i{font-size:2rem;color:var(--app-primary);flex-shrink:0}.cg-teacher-cta-text{font-size:1.4rem;color:var(--dark-blue);margin-bottom:0.8rem}@media (max-width:768px){.cg-hero{padding:2rem 1.5rem;border-radius:8px}.cg-hero-title{font-size:2rem}.cg-hero-content{flex-direction:column;gap:1rem}.cg-recommended-card{padding:1.5rem}.cg-followup-actions{flex-direction:column}.cg-followup-actions .btn{min-width:unset}.cg-teacher-cta{flex-direction:column;text-align:center}}@media (max-width:480px){.cg-hero{padding:1.5rem 1rem}.cg-hero-title{font-size:1.8rem}.cg-concept-item{flex-direction:column;align-items:flex-start;gap:0.8rem}.cg-concept-item-meta{width:100%;justify-content:flex-end}.cg-empty-state{padding:2rem 1rem}.cg-empty-icon{font-size:4rem}}.impersonate-banner{background:linear-gradient(135deg,#e74c3c 0%,#e67e22 100%);color:white;padding:0.4rem 2rem;display:flex;align-items:center;justify-content:center;gap:1rem;font-size:1.3rem;font-weight:500;z-index:101}.impersonate-banner i{font-size:1.4rem}.impersonate-stop-btn{background:rgba(255,255,255,0.2);color:white;border:1px solid rgba(255,255,255,0.4);padding:0.3rem 1rem;border-radius:4px;font-size:1.2rem;font-weight:600;cursor:pointer;transition:all 0.2s ease}.impersonate-stop-btn:hover{background:rgba(255,255,255,0.35)}.impersonate-search-container{position:relative;flex-shrink:0}.impersonate-search-input{width:180px;padding:0.5rem 1rem;font-size:1.3rem;border:none;border-radius:20px;background:rgba(255,255,255,0.15);color:white;outline:none;transition:all 0.2s ease}.impersonate-search-input::placeholder{color:rgba(255,255,255,0.6)}.impersonate-search-input:focus{background:rgba(255,255,255,0.25);width:220px}.impersonate-results{position:absolute;top:calc(100% + 0.5rem);right:0;min-width:280px;background:white;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,0.2);max-height:350px;overflow-y:auto;z-index:1001}.impersonate-results:empty{display:none}.impersonate-result-item{display:flex;align-items:center;gap:0.8rem;padding:0.8rem 1.2rem;cursor:pointer;border-bottom:1px solid #f1f3f4;transition:background-color 0.15s ease;color:var(--dark-blue);font-size:1.3rem}.impersonate-result-item:hover{background-color:var(--app-placeholder)}.impersonate-result-item:last-child{border-bottom:none}.impersonate-result-name{font-weight:600;font-size:1.3rem}.impersonate-result-email{font-size:1.1rem;color:#6b7280}.impersonate-result-crown{color:var(--app-warning);font-size:1.2rem}@media (max-width:768px){.impersonate-search-container{display:none}.impersonate-banner{font-size:1.2rem;padding:0.3rem 1rem;gap:0.6rem}}