.footer{background-color:#1f1f1f;border-top:1px solid var(--border-color);padding:3rem 0 0;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:grid;grid-template-columns:2fr 1.5fr 1.5fr;gap:3rem}.text-white{color:#fff;font-size:30px;font-weight:400}.branding h2{font-size:1.8rem;margin-bottom:1rem;font-weight:600;color:var(--primary)}.highlight{color:var(--primary);font-size:30px}.branding p{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.divider{border:none;border-top:1px solid var(--border-color);margin:1.5rem 0;width:100%}.footer-links h3,.social-media h3{font-size:1.2rem;margin-bottom:1.2rem;font-weight:600;color:var(--primary)}.footer-links ul{list-style:none;padding:0}.footer-links li{margin-bottom:1rem;display:flex;align-items:center}.link-icon{margin-right:.8rem;color:var(--primary);width:16px}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .3s ease}.footer-links a:hover{color:var(--primary)}.social-icons{display:flex;gap:1.2rem}.social-icons a{color:var(--text-secondary);font-size:1.5rem;transition:all .3s ease}.social-icons a:hover{color:var(--primary);transform:translateY(-3px)}.footer-bottom{text-align:center;padding:1.5rem;margin-top:3rem;background-color:var(--bg-darker)}.footer-bottom p{color:var(--text-muted);font-size:.9rem}@media(max-width:968px){.footer-content{grid-template-columns:1fr 1fr}.branding{grid-column:1 / -1}}@media(max-width:576px){.footer-content{grid-template-columns:1fr;text-align:center;gap:2rem}.footer-links li,.social-icons{justify-content:center}.divider{margin:1rem auto}}:root{--primary-yellow: #f4c430;--primary-gold: #d4af37;--dark-bg: #2d2d2d;--darker-bg: #1e1e1e;--card-bg: #3a3a3a;--text-primary: #ffffff;--text-secondary: #b8b8b8;--hover-yellow: #ffd700}*{box-sizing:border-box;margin:0;padding:0}.landing-container{min-height:100vh;background-color:var(--dark-bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.navbar{background-color:var(--darker-bg);padding:1rem 2rem;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px #0000004d}.nav-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.75rem;font-size:1.75rem;font-weight:700;color:var(--text-primary)}.logo-icon{font-size:1.5rem}.logo-text{color:var(--primary-yellow);font-size:1.75rem;font-weight:700}.sign-in-btn{background-color:var(--primary-yellow);color:var(--darker-bg);border:none;padding:.75rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.sign-in-btn:hover{background-color:var(--hover-yellow);transform:translateY(-2px);box-shadow:0 4px 12px #f4c43066}.hero-section{text-align:center;padding:4rem 2rem 3rem;max-width:1200px;margin:0 auto}.hero-title{font-size:3rem;font-weight:700;color:var(--primary-yellow);margin-bottom:1.5rem;line-height:1.2}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:800px;margin:0 auto;line-height:1.6}.main-cards-section{display:grid;grid-template-columns:repeat(2,1fr);gap:2.5rem;max-width:1200px;margin:0 auto;padding:2rem 2rem 5rem}.main-card{background-color:#3a3a3a;border-radius:16px;padding:2.5rem;border:2px solid var(--primary-yellow);box-shadow:0 4px 16px #0000004d;transition:transform .3s ease,box-shadow .3s ease}.main-card:hover{transform:translateY(-8px);box-shadow:0 8px 30px #f4c43033}.card-icon{width:70px;height:70px;background-color:#f4c43026;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.card-icon svg{width:36px;height:36px;color:var(--primary-gold)}.card-title{font-size:1.75rem;color:var(--primary-yellow);margin-bottom:1rem;font-weight:600}.card-description{color:silver;margin-bottom:1.5rem;font-size:1rem;line-height:1.5}.card-list{list-style:none;padding:0;margin-bottom:2rem}.card-list li{color:silver;padding:.6rem 0 .6rem 1.5rem;position:relative;font-size:.95rem;line-height:1.5}.card-list li:before{content:"•";color:var(--primary-gold);font-weight:700;position:absolute;left:0;font-size:1.5rem}.card-button{width:100%;background-color:var(--primary-yellow);color:var(--darker-bg);border:none;padding:1rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.card-button:hover{background-color:var(--hover-yellow);transform:translateY(-2px);box-shadow:0 4px 12px #f4c43066}.additional-features{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:1200px;margin:0 auto;padding:2rem 2rem 4rem}.feature-item{text-align:center;padding:1.5rem}.feature-item h3{font-size:1.1rem;color:var(--text-primary);margin-bottom:.5rem;font-weight:600}.feature-item p{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.labels-section{max-width:1400px;margin:0 auto 4rem;padding:3rem 2rem 4rem;background-color:var(--darker-bg)}.section-title{text-align:center;font-size:2.5rem;color:var(--primary-yellow);margin-bottom:1rem;font-weight:700}.section-subtitle{text-align:center;font-size:1.1rem;color:var(--text-secondary);margin-bottom:3rem;max-width:700px;margin-left:auto;margin-right:auto}.labels-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-top:2rem}.label-card{background-color:#3a3a3a;border-radius:10px;padding:1.75rem;transition:transform .3s ease,box-shadow .3s ease;border:2px solid var(--primary-yellow);box-shadow:0 4px 16px #0000004d}.label-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px #f4c4304d;border-color:var(--hover-yellow)}.label-header{margin-bottom:1rem}.label-badge{display:inline-block;padding:.4rem 1rem;border-radius:20px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.label-badge.positive{background-color:#4caf5033;color:#81c784}.label-badge.slightly-positive{background-color:#8bc34a33;color:#aed581}.label-badge.neutral{background-color:#9e9e9e33;color:#bdbdbd}.label-badge.slightly-negative{background-color:#ff980033;color:#ffb74d}.label-badge.negative{background-color:#f4433633;color:#e57373}.label-card h3{font-size:1.25rem;color:#e0e0e0;margin-bottom:.75rem;font-weight:600}.label-card p{color:silver;line-height:1.6;font-size:.95rem}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1.5rem;color:var(--text-primary)}.spinner{border:4px solid rgba(244,196,48,.2);border-top:4px solid var(--primary-yellow);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@media(max-width:1024px){.hero-title{font-size:2.5rem}.main-cards-section{grid-template-columns:1fr}.additional-features{grid-template-columns:repeat(2,1fr)}.section-title{font-size:2rem}}@media(max-width:768px){.navbar{padding:1rem}.logo-text{font-size:.9rem}.sign-in-btn{padding:.6rem 1.5rem;font-size:.9rem}.hero-section{padding:3rem 1.5rem 2rem}.hero-title{font-size:2rem}.hero-subtitle{font-size:1.1rem}.main-cards-section{padding:2rem 1.5rem 3rem}.additional-features{grid-template-columns:1fr;padding:2rem 1.5rem 3rem}.labels-section{padding:2rem 1.5rem}.labels-grid{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;gap:1.5rem}}@media(max-width:480px){.hero-title{font-size:1.75rem}.hero-subtitle{font-size:1rem}.main-card,.label-card{padding:1.5rem}.section-title{font-size:1.75rem}.card-title{font-size:1.5rem}}.app-header{background:#1e3a5f;color:#fff;padding:1rem 2rem;box-shadow:0 2px 8px #00000014;position:sticky;top:0;z-index:1000;width:100%}.header-content{max-width:100%;margin:0;display:flex;justify-content:space-between;align-items:center;gap:2rem;position:relative}.hamburger-btn{display:flex;flex-direction:column;justify-content:space-around;width:32px;height:28px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001}.hamburger-line{width:100%;height:3px;background:#fff;border-radius:2px;transition:all .3s ease}.hamburger-line.open:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.hamburger-line.open:nth-child(2){opacity:0}.hamburger-line.open:nth-child(3){transform:rotate(-45deg) translate(8px,-8px)}.header-logo{height:70px;width:auto;margin-right:1rem}.header-left{flex:1;min-width:0}.header-title{margin:0;font-size:1.5rem;font-weight:600;color:#fff}.header-subtitle{margin:.25rem 0 0;font-size:.875rem;color:#ffffffe6}.header-nav{position:fixed;top:0;left:-100%;height:100vh;width:320px;background:#1e3a5f;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:80px 0 2rem;transition:left .3s ease;box-shadow:2px 0 10px #0003;overflow-y:auto;z-index:1000}.header-nav.open{left:0}.nav-user-section{display:flex;flex-direction:column;gap:1rem;margin-top:auto;padding:1.5rem;border-top:1px solid rgba(255,255,255,.2)}.nav-user-section .user-info{border-right:none;padding-right:0;align-items:flex-start}.nav-user-section .logout-btn{width:100%}.header-right{display:none}.nav-link{background:transparent;color:#fff;border:none;border-bottom:1px solid rgba(255,255,255,.1);padding:1rem 1.5rem;border-radius:0;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .2s ease;text-align:left}.nav-link:hover{background:#ffffff1a;border-color:#ffffff1a}.nav-link.active{background:#fff3;color:#fff;border-color:#ffffff1a;border-left:4px solid white}.user-info{display:flex;flex-direction:column;align-items:flex-end;padding-right:1rem;border-right:1px solid rgba(255,255,255,.3)}.user-name{font-weight:600;font-size:.95rem;color:#fff}.user-role{font-size:.8rem;color:#fffc;text-transform:uppercase;letter-spacing:.5px}.logout-btn{background:#fffffff2;color:#1e3a5f;border:none;padding:.6rem 1.5rem;border-radius:6px;cursor:pointer;font-size:.95rem;font-weight:600;transition:all .2s ease;white-space:nowrap}.logout-btn:hover{background:#fff;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.logout-btn:active{transform:translateY(0)}@media(max-width:968px){.header-nav{width:280px}}.upload-container{background:#1e3a5f14;border-radius:20px;padding:60px;box-shadow:0 2px 8px #0000000d;margin-bottom:40px}.upload-sections{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-bottom:0;align-items:start}@media(max-width:968px){.upload-sections{grid-template-columns:1fr}.upload-container{padding:40px 24px}}.upload-card{display:flex;flex-direction:column;height:100%;width:100%;background:#fff;border-radius:16px;padding:32px;box-shadow:0 4px 16px #0000001a;transition:all .3s ease;min-width:0}.upload-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #00000026}.upload-card .card-header{background:#1e3a5f;margin:-32px -32px 32px;padding:24px 32px;text-align:center;border-radius:16px 16px 0 0}.upload-card .card-header .upload-title{font-size:32px;margin-bottom:12px;font-weight:700;color:#fff;display:flex;align-items:center;justify-content:center;gap:12px}.upload-card .card-header .upload-subtitle{color:#ffffffe6;font-size:16px;margin:0;line-height:1.6}.upload-card .upload-area{padding:60px 40px;min-height:380px;flex:1;display:flex;flex-direction:column;justify-content:center;border:3px dashed #e1e8ed;border-radius:12px;background:#f8f9fa;transition:all .3s ease;cursor:pointer}.upload-card .upload-area:hover{border-color:#1e3a5f80;background:#1e3a5f0d}.upload-card .upload-area.drag-over{border-color:#1e3a5fb3;background:#1e3a5f14}.upload-card .upload-icon{width:90px;height:90px;background:#1e3a5f26;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:0 2px 8px #1e3a5f1a}.upload-card .upload-icon svg{width:48px;height:48px;color:#1e3a5f}.upload-card .upload-text{font-size:22px;font-weight:600;margin-top:20px;color:#2c3e50}.upload-card .upload-subtext{font-size:16px;margin-top:12px;color:#6c757d}.upload-card .upload-format{font-size:15px;margin-top:20px;color:#7889a3;display:flex;align-items:center;justify-content:center;gap:8px}.upload-card .btn-upload{padding:18px 48px;font-size:18px;font-weight:600;margin-top:32px;width:100%;max-width:100%;background:#1e3a5fd9;color:#fff;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #1e3a5f33;text-align:center}.upload-card .btn-upload:hover{background:#1e3a5f;transform:translateY(-2px);box-shadow:0 4px 12px #1e3a5f40}.upload-card .btn-upload:disabled{opacity:.6;cursor:not-allowed;transform:none}.dashboard-link-section{text-align:center;margin-top:48px;padding-top:40px;border-top:2px solid #e1e8ed}.btn-dashboard{width:100%;padding:20px 48px;font-size:20px;font-weight:600;box-shadow:0 2px 8px #0000001a;transition:all .3s ease}.btn-dashboard:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.analyzing-section{background:linear-gradient(135deg,#fff9e6,#fff4d4);border:1px solid #ffd966;border-radius:12px;padding:24px;margin:24px 0}.analyzing-header{display:flex;align-items:center;gap:16px;margin-bottom:20px}.spinner{width:40px;height:40px;border:4px solid #ffd966;border-top-color:#f59e0b;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.analyzing-title{font-size:18px;font-weight:600;color:#2c3e50;margin:0}.analyzing-text{font-size:14px;color:#666;margin:4px 0 0}.progress-stats{display:flex;gap:24px;justify-content:space-between;margin-top:12px;padding-top:12px;border-top:1px solid #ffd966;font-size:14px;color:#555}.progress-percent{margin-left:auto;font-weight:600;color:#f59e0b}.email-input-group{display:flex;align-items:center;gap:12px;margin:15px 0}.email-input-group label{display:block;font-size:14px;color:#64748b;min-width:120px}.email-input{padding:12px 16px;border:1px solid #cbd5e1;border-radius:8px;width:450px;font-size:15px}.email-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #4a90e21a}.semester-selector{display:flex;gap:24px;margin-top:16px}.semester-selector>div{display:flex;flex-direction:column;gap:8px}.semester-selector label{font-size:14px;color:var(--text-secondary);font-weight:500}.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px}.kpi-mini-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:16px}.chart-section{display:flex;flex-direction:column}.chart-section .chart-card{margin-bottom:0;min-height:300px;flex:1}.kpi-card{background:var(--card-bg);padding:24px;border-radius:12px;box-shadow:0 2px 8px #0000000f;position:relative}.kpi-card[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-8px);background-color:#000000e6;color:#fff;padding:12px 16px;border-radius:6px;font-size:13px;line-height:1.5;white-space:normal;max-width:320px;width:max-content;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1000;box-shadow:0 4px 12px #0000004d}.kpi-card[data-tooltip]:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(2px);border:6px solid transparent;border-top-color:#000000e6;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1001}.kpi-card[data-tooltip]:hover:after,.kpi-card[data-tooltip]:hover:before{opacity:1}.theme-card{background:var(--card-bg);padding:20px;border-radius:8px;border-left:4px solid;position:relative;transition:all .3s ease}.theme-card:hover{background:#ffffffd9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(10px);box-shadow:0 8px 24px #0000001f;transform:translateY(-2px)}.theme-card.low:hover{background:#f0f9f4d9}.theme-card.medium:hover{background:#fffbf0d9}.theme-card.high:hover{background:#fef2f2d9}.theme-card:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-8px);background-color:#000000e6;color:#fff;padding:12px 16px;border-radius:6px;font-size:13px;line-height:1.5;white-space:normal;max-width:300px;width:max-content;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1000;box-shadow:0 4px 12px #0000004d}.theme-card:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:#000000e6;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1000}.theme-card:hover:after,.theme-card:hover:before{opacity:1}.recommendations-section{margin:32px 0}.insight-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:20px;font-weight:400}.strengths-card{border-top:4px solid var(--success-color)}.improvements-card{border-top:4px solid var(--warning-color)}.recommendation-item{padding:20px;margin-bottom:16px;border-radius:10px;border-left:4px solid;transition:all .2s ease;background:linear-gradient(135deg,#fff,#f8f9fa)}.recommendation-item:hover{transform:translate(4px);box-shadow:0 4px 12px #0000001a}.recommendation-item.success{border-color:var(--success-color);background:linear-gradient(135deg,#f0f9f4,#e6f4ea)}.recommendation-item.warning{border-color:var(--warning-color);background:linear-gradient(135deg,#fffbf0,#fff4e0)}.rec-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.rec-category{font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--primary-color)}.rec-priority{font-size:11px;padding:4px 10px;border-radius:12px;background-color:var(--primary-color);color:#fff;font-weight:600}.rec-text{font-size:15px;line-height:1.7;color:var(--text-primary);margin-bottom:16px;font-weight:500}.rec-stats{display:flex;gap:20px;flex-wrap:wrap}.rec-stat{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);padding:6px 12px;background-color:#ffffffb3;border-radius:6px}.rec-stat svg{opacity:.6}.rec-stat.impact{font-weight:700;color:var(--primary-color);background-color:#1e3a5f1a}.no-recommendations{padding:32px;text-align:center;color:var(--text-secondary);font-style:italic;background-color:#f8f9fa;border-radius:8px;border:2px dashed var(--border-color)}.modal-controls{display:flex;align-items:center;gap:20px}.view-toggle{display:flex;gap:8px;background-color:#ffffff1a;padding:4px;border-radius:8px}.toggle-btn{background:none;border:none;color:#fff;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.toggle-btn:hover{background-color:#fff3}.toggle-btn.active{background-color:var(--accent-color)}.question-insight{margin-bottom:32px;padding:20px;background-color:var(--light-bg);border-radius:8px}.insight-question{font-size:16px;font-weight:600;margin-bottom:16px;color:var(--primary-color);display:flex;align-items:center;gap:12px}.response-count{font-size:13px;font-weight:400;color:var(--text-secondary);background-color:#fff;padding:4px 12px;border-radius:12px}.insight-clusters h4{font-size:14px;color:var(--text-secondary);margin-bottom:12px;font-weight:500}.cluster-item{background-color:#fff;padding:16px;margin-bottom:12px;border-radius:8px;border-left:4px solid var(--border-color);transition:transform .2s}.cluster-item:hover{transform:translate(4px)}.cluster-item.positive{border-left-color:var(--success-color)}.cluster-item.slightly-positive{border-left-color:#90ee90}.cluster-item.neutral{border-left-color:#ffc107}.cluster-item.slightly-negative{border-left-color:#ff9800}.cluster-item.negative{border-left-color:var(--danger-color)}.cluster-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.cluster-stats{font-size:13px;color:var(--text-secondary);font-weight:500}.cluster-text{font-size:15px;line-height:1.6;color:var(--text-primary);font-style:italic;padding:4px 0;white-space:pre-wrap;word-wrap:break-word}.cluster-note{margin-top:8px;padding-top:8px;border-top:1px solid var(--border-color)}.cluster-note small{color:var(--text-secondary);font-size:12px;font-style:normal}.insight-summary{background:linear-gradient(135deg,#f5f7fa,#e8ecf1);border-left:4px solid var(--primary-color);padding:16px 20px;margin:16px 0;border-radius:8px}.insight-summary h4{font-size:14px;color:var(--primary-color);margin:0 0 12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.insight-summary p{font-size:15px;line-height:1.7;color:var(--text-primary);margin:0;font-weight:500}.departments-page{min-height:100vh;background:#f5f7fa}.page-header{text-align:center;margin-bottom:3rem;padding:2rem 0}.page-title{font-size:2.5rem;color:#2d3748;margin-bottom:.5rem;font-weight:700}.page-subtitle{color:#718096;font-size:1.1rem}.departments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;margin-top:2rem}.department-card{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;transition:all .3s ease;cursor:pointer;overflow:hidden}.department-card:hover{transform:translateY(-8px);box-shadow:0 8px 24px #00000026}.card-header{background:#1e3a5f;padding:1.5rem;color:#fff}.dept-name{font-size:1.4rem;font-weight:700;margin-bottom:.5rem}.prof-count{font-size:.9rem;opacity:.9}.card-body{padding:1.5rem}.metric-row{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;border-bottom:1px solid #e2e8f0}.metric-row:last-child{border-bottom:none}.metric-label{font-size:.95rem;color:#718096;font-weight:500}.metric-value{font-size:1rem;font-weight:700;color:#2d3748}.metric-value.positive{color:#38a169}.metric-value.neutral{color:#d69e2e}.metric-value.negative{color:#e53e3e}.card-footer{padding:1rem 1.5rem;background:#f7fafc;border-top:1px solid #e2e8f0}.view-dept-btn{width:100%;background:transparent;color:#1e3a5f;border:2px solid #1e3a5f;padding:.75rem;border-radius:6px;cursor:pointer;font-weight:600;font-size:.95rem;transition:all .2s ease}.view-dept-btn:hover{background:#1e3a5f;color:#fff}@media(max-width:768px){.departments-grid{grid-template-columns:1fr}.page-title{font-size:2rem}}.department-page{min-height:100vh;background:#f5f7fa}.department-header{text-align:center;margin-bottom:2rem;padding:2rem 0}.department-title{font-size:2rem;color:#2d3748;margin-bottom:.5rem}.department-subtitle{color:#718096;font-size:1.1rem}.scores-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:3rem}.score-card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 2px 8px #0000001a;text-align:center;transition:transform .2s ease}.score-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #00000026}.score-card h3{font-size:.95rem;color:#718096;margin-bottom:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.score-value{font-size:2.5rem;font-weight:700;color:#1e3a5f;margin-bottom:.5rem}.score-label{font-size:.9rem;color:#a0aec0}.professors-section{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 2px 8px #0000001a}.section-title{font-size:1.5rem;color:#2d3748;margin-bottom:1.5rem;border-bottom:2px solid #e2e8f0;padding-bottom:.75rem}.professors-table{overflow-x:auto}.professors-table table{width:100%;border-collapse:collapse}.professors-table th{background:#f7fafc;padding:1rem;text-align:left;font-weight:600;color:#4a5568;border-bottom:2px solid #e2e8f0;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.professor-row{cursor:pointer;transition:background .2s ease;border-bottom:1px solid #e2e8f0}.professor-row:hover{background:#f7fafc}.professors-table td{padding:1rem;color:#2d3748}.rating-badge{display:inline-block;padding:.25rem .75rem;background:#edf2f7;border-radius:12px;font-weight:600;color:#1e3a5f;font-size:.9rem}.sentiment-badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-weight:600;font-size:.9rem}.sentiment-badge.positive{background:#c6f6d5;color:#22543d}.sentiment-badge.neutral{background:#feebc8;color:#7c2d12}.sentiment-badge.negative{background:#fed7d7;color:#742a2a}.view-btn{background:#1e3a5f;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-weight:600;font-size:.9rem;transition:all .2s ease}.view-btn:hover{background:#1e3a5f;transform:translateY(-2px);box-shadow:0 4px 12px #1e3a5f40}.loading{display:flex;justify-content:center;align-items:center;min-height:60vh;font-size:1.2rem;color:#718096}:root{--primary-color: #1e3a5f;--secondary-color: #7889a3;--accent-color: #4a90e2;--success-color: #28a745;--warning-color: #ffc107;--danger-color: #dc3545;--light-bg: #f5f7fa;--card-bg: #ffffff;--border-color: #e1e8ed;--text-primary: #2c3e50;--text-secondary: #6c757d}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--light-bg);color:var(--text-primary);line-height:1.6}.container{max-width:1400px;margin:0 auto;padding:0 20px}.header{background-color:var(--primary-color);color:#fff;padding:20px 0;box-shadow:0 2px 8px #0000001a}.header-content{display:flex;justify-content:space-between;align-items:center}.system-title{font-size:24px;font-weight:600;margin-bottom:4px}.subtitle{font-size:14px;opacity:.9}.user-role{text-align:right}.role-badge{display:inline-block;background-color:var(--accent-color);padding:6px 16px;border-radius:20px;font-size:14px;font-weight:500;margin-left:8px}.main-content{padding:40px 0;min-height:calc(100vh - 120px)}.upload-card{background:var(--card-bg);border-radius:12px;padding:48px;max-width:800px;margin:0 auto;box-shadow:0 2px 12px #00000014}.upload-title{font-size:28px;text-align:center;margin-bottom:8px;color:var(--text-primary)}.upload-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px}.upload-area{border:2px dashed var(--border-color);border-radius:8px;padding:60px 40px;text-align:center;cursor:pointer;transition:all .3s ease;margin-bottom:24px}.upload-area:hover{border-color:var(--accent-color);background-color:#f8f9fa}.upload-area.drag-over{border-color:var(--accent-color);background-color:#e7f3ff}.upload-icon{width:64px;height:64px;margin:0 auto 16px;color:var(--secondary-color);background-color:#e8ecf1;border-radius:50%;display:flex;align-items:center;justify-content:center}.upload-text{font-size:18px;font-weight:500;color:var(--text-primary);margin-bottom:8px}.upload-subtext{color:var(--text-secondary);margin-bottom:16px}.upload-format{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-secondary);font-size:14px}.progress-area{background-color:#fffbf0;border:1px solid #ffe69c;border-radius:8px;padding:24px;margin-bottom:24px}.progress-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.spinner{animation:spin 1s linear infinite;color:var(--warning-color)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.progress-title{font-weight:600;color:var(--text-primary)}.progress-subtitle{font-size:14px;color:var(--text-secondary)}.progress-bar{width:100%;height:8px;background-color:#e9ecef;border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background-color:var(--accent-color);transition:width .3s ease}.progress-text{text-align:right;font-size:14px;color:var(--text-secondary)}.upload-actions{display:flex;gap:16px;justify-content:center}.btn{padding:14px 32px;border:none;border-radius:6px;font-size:16px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .2s ease}.btn-primary{background-color:var(--secondary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:#6a7a94}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:#fff;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:#f8f9fa}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px}.dashboard-title{font-size:32px;margin-bottom:8px}.dashboard-subtitle{color:var(--text-secondary);margin-bottom:16px}.semester-selector{display:flex;gap:12px}.semester-select,.course-select{padding:10px 16px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;background-color:#fff}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-bottom:32px}.kpi-card{background:var(--card-bg);padding:24px;border-radius:12px;box-shadow:0 2px 8px #0000000f}.kpi-label{font-size:14px;color:var(--text-secondary);margin-bottom:12px;font-weight:500}.kpi-value{font-size:36px;font-weight:700;color:var(--primary-color);margin-bottom:8px}.kpi-value.sentiment{color:var(--success-color)}.kpi-change,.kpi-subtext{font-size:13px;color:var(--text-secondary)}.sentiment-bar{width:100%;height:8px;background-color:#e9ecef;border-radius:4px;overflow:hidden;margin-top:12px}.sentiment-fill{height:100%;background:linear-gradient(90deg,#dc3545,#ffc107,#28a745);width:68%}.kpi-trend{display:flex;align-items:center;gap:8px;font-size:24px;font-weight:600;color:var(--success-color)}.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:24px;margin-bottom:32px}.chart-card{background:var(--card-bg);padding:24px;border-radius:12px;box-shadow:0 2px 8px #0000000f}.chart-title{font-size:18px;font-weight:600;margin-bottom:20px;color:var(--text-primary)}.section-title{font-size:20px;font-weight:600;margin-bottom:20px}.keywords-cloud{display:flex;flex-wrap:wrap;gap:12px;padding:20px}.keyword-tag{display:inline-block;padding:8px 16px;background-color:var(--accent-color);color:#fff;border-radius:20px;font-size:14px;font-weight:500}.feedback-summary{margin-bottom:32px}.themes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.theme-card{background:var(--card-bg);padding:20px;border-radius:8px;border-left:4px solid}.theme-card.low{border-color:var(--success-color);background-color:#f0f9f4}.theme-card.medium{border-color:var(--warning-color);background-color:#fffbf0}.theme-card.high{border-color:var(--danger-color);background-color:#fef2f2}.theme-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.theme-name{font-weight:600;font-size:16px}.theme-score{font-size:20px;font-weight:700}.theme-label{font-size:12px;padding:4px 12px;border-radius:12px;font-weight:500}.theme-label.low{background-color:var(--success-color);color:#fff}.theme-label.medium{background-color:var(--warning-color);color:#fff}.theme-label.high{background-color:#6c757d;color:#fff}.theme-description{font-size:14px;color:var(--text-secondary);margin-top:8px}.insights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:24px;margin-bottom:32px}.insight-card{background:var(--card-bg);padding:24px;border-radius:12px;box-shadow:0 2px 8px #0000000f}.insight-title{display:flex;align-items:center;gap:12px;font-size:18px;margin-bottom:16px}.icon-success{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--success-color);color:#fff;border-radius:50%;font-size:18px}.icon-warning{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--warning-color);color:#fff;border-radius:50%;font-size:18px}.insight-item{padding:16px;margin-bottom:12px;border-radius:8px;border-left:3px solid}.insight-item.success{background-color:#f0f9f4;border-color:var(--success-color)}.insight-item.warning{background-color:#fffbf0;border-color:var(--warning-color)}.insight-item-title{font-weight:600;margin-bottom:4px}.insight-item-text{font-size:14px;color:var(--text-secondary)}.insight-priority{font-size:12px;padding:4px 8px;border-radius:4px;background-color:#e9ecef;color:var(--text-secondary);margin-top:8px;display:inline-block}.recommendations-card{background:var(--card-bg);padding:24px;border-radius:12px;box-shadow:0 2px 8px #0000000f;margin-bottom:32px}.recommendations-list{list-style:none;counter-reset:recommendations}.recommendations-list li{counter-increment:recommendations;margin-bottom:12px;background-color:#f8f9fa;border-radius:8px;position:relative;padding:16px 16px 16px 48px}.recommendations-list li:before{content:counter(recommendations);position:absolute;left:16px;top:16px;display:flex;align-items:center;justify-content:center;width:24px;height:24px;background-color:var(--primary-color);color:#fff;border-radius:50%;font-weight:600;font-size:14px}.alert-box{background-color:#fffbf0;border:1px solid var(--warning-color);border-radius:12px;padding:24px;margin-bottom:32px}.alert-title{display:flex;align-items:center;gap:12px;font-size:18px;margin-bottom:16px}.icon-alert{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background-color:var(--warning-color);color:#fff;border-radius:50%}.alert-item{padding:12px;background-color:#fff;border-radius:6px;margin-bottom:8px;font-size:14px}.ai-insights-footer{background-color:#e7f3ff;padding:20px;border-radius:8px;display:flex;align-items:center;gap:16px;margin-top:32px}.ai-icon{width:40px;height:40px;background-color:var(--accent-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background-color:#fff;border-radius:12px;max-width:90%;max-height:90vh;width:1000px;box-shadow:0 4px 20px #0000004d;display:flex;flex-direction:column;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{padding:24px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;background-color:var(--primary-color);color:#fff;border-radius:12px 12px 0 0}.modal-header h2{margin:0;font-size:24px}.modal-close{background:none;border:none;font-size:32px;color:#fff;cursor:pointer;padding:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}.modal-close:hover{background-color:#fff3}.modal-body{padding:24px;overflow-y:auto;flex:1}.feedback-item{background-color:var(--light-bg);border-radius:8px;padding:20px;margin-bottom:20px;border-left:4px solid var(--accent-color)}.feedback-item.positive{border-left-color:var(--success-color)}.feedback-item.slightly-positive{border-left-color:#90d090}.feedback-item.neutral{border-left-color:var(--warning-color)}.feedback-item.slightly-negative{border-left-color:#f96}.feedback-item.negative{border-left-color:var(--danger-color)}.feedback-question{font-weight:600;color:var(--text-primary);margin-bottom:8px;font-size:14px}.feedback-answer{background-color:#fff;padding:12px;border-radius:6px;margin-bottom:12px;font-size:15px;color:var(--text-primary);border:1px solid var(--border-color)}.feedback-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}.meta-item{display:flex;flex-direction:column;gap:4px}.meta-label{font-weight:600;color:var(--text-secondary);text-transform:uppercase;font-size:11px;letter-spacing:.5px}.meta-value{color:var(--text-primary)}.sentiment-badge{display:inline-block;padding:4px 12px;border-radius:16px;font-size:12px;font-weight:600}.sentiment-badge.positive{background-color:#d4edda;color:#155724}.sentiment-badge.slightly-positive{background-color:#d1ecf1;color:#0c5460}.sentiment-badge.neutral{background-color:#fff3cd;color:#856404}.sentiment-badge.slightly-negative{background-color:#f8d7da;color:#721c24}.sentiment-badge.negative{background-color:#f5c6cb;color:#721c24}.feedback-reasoning{margin-top:12px;padding:12px;background-color:#f0f7ff;border-left:3px solid var(--accent-color);border-radius:4px;font-size:13px;color:var(--text-secondary);font-style:italic}.modal-loading,.modal-empty{text-align:center;padding:40px;color:var(--text-secondary)}.theme-card{cursor:pointer;transition:transform .2s,box-shadow .2s}.theme-card:hover{transform:translateY(-2px);box-shadow:0 6px 12px #00000026}@media(max-width:768px){.header-content,.dashboard-header{flex-direction:column;gap:16px}.semester-selector{flex-direction:column}.kpi-grid,.chart-grid,.insights-grid,.themes-grid{grid-template-columns:1fr}}