@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap";:root{--primary:#9b59b6;--primary-light:#d1b2e0;--secondary:#e91e63;--bg-main:#f8f9fa;--bg-card:#fff;--text-main:#2c3e50;--text-muted:#7f8c8d;--accent:#6c5ce7;--radius:16px;--shadow:0 10px 30px #0000000d;--glass:#ffffffb3}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;overflow-x:hidden}.app-container{min-height:100vh;display:flex}.glass-morphism{background:var(--glass);-webkit-backdrop-filter:blur(10px);border:1px solid #ffffff4d}button{cursor:pointer;border:none;outline:none;transition:all .3s}a{color:inherit;text-decoration:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.5s forwards fadeIn}.sidebar{z-index:100;border-right:1px solid #fff6;flex-direction:column;width:260px;height:100vh;padding:2rem 1.5rem;display:flex;position:sticky;top:0}.sidebar-header{margin-bottom:3rem}.logo{color:var(--text-main);letter-spacing:-1px;font-size:1.8rem;font-weight:700}.logo span{color:var(--primary)}.subtitle{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-top:4px;font-size:.85rem;font-weight:600}.sidebar-nav{flex-direction:column;flex:1;gap:.5rem;display:flex}.nav-item{color:var(--text-muted);text-align:left;background:0 0;border-radius:12px;align-items:center;padding:.85rem 1rem;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{color:var(--primary);background:#9b59b60d}.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 4px 15px #9b59b64d}.nav-icon{margin-right:12px;font-size:1.2rem}.sidebar-footer{border-top:1px solid #0000000d;margin-top:auto;padding-top:2rem}.profile-badge{align-items:center;gap:12px;display:flex}.avatar{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;font-weight:700;display:flex}.profile-name{font-size:.95rem;font-weight:600}.profile-status{color:var(--text-muted);font-size:.8rem}.mural-section{border-radius:var(--radius);border:1px dashed var(--secondary);background:linear-gradient(135deg,#fff5f5,#fff);align-items:center;gap:1.5rem;margin-bottom:2rem;padding:1.5rem 2rem;display:flex}.mural-icon{font-size:2.5rem}.mural-content h4{text-transform:uppercase;color:var(--secondary);letter-spacing:1px;margin-bottom:4px;font-size:.85rem}.mural-content p{color:var(--text-main);font-size:1.1rem;font-style:italic;font-weight:600}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2.5rem;display:grid}.stat-card{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;align-items:center;gap:1.2rem;padding:1.5rem;display:flex}.stat-icon{background:#00000008;border-radius:12px;padding:10px;font-size:2rem}.stat-info h3{color:var(--accent-color);font-size:1.8rem;font-weight:700}.stat-info p{color:var(--text-muted);font-size:.9rem;font-weight:600}.progress-section{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;margin-bottom:2.5rem;padding:2rem}.progress-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.progress-header h3{color:var(--text-main);font-size:1.2rem}.progress-value{color:var(--primary);font-size:1.2rem;font-weight:700}.main-progress-bar{background:#f0f0f0;border-radius:7px;height:14px;margin-bottom:1rem;overflow:hidden}.main-progress-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));border-radius:7px;height:100%;transition:width .8s cubic-bezier(.4,0,.2,1)}.progress-subtitle{color:var(--text-muted);font-size:.9rem}.dashboard-content-grid{grid-template-columns:2fr 1fr;gap:2rem;display:grid}.badges-section{border-radius:var(--radius);background:#fff;border:1px solid #9b59b61a;margin-bottom:2rem;padding:1.5rem}.badges-section h3{color:var(--text-main);margin-bottom:1.2rem;font-size:1.1rem}.badges-grid{gap:1.2rem;padding-bottom:5px;display:flex;overflow-x:auto}.badge-item{opacity:.4;filter:grayscale();flex-direction:column;align-items:center;gap:8px;min-width:80px;transition:all .3s;display:flex}.badge-item.earned{opacity:1;filter:grayscale(0)}.badge-icon{background:var(--bg-main);border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:2rem;display:flex}.badge-item.earned .badge-icon{border:2px solid var(--primary-light);background:#9b59b61a}.badge-name{color:var(--text-main);white-space:nowrap;font-size:.75rem;font-weight:700}.recent-section h2{margin-bottom:1.5rem;font-size:1.4rem}.section-header{justify-content:space-between;align-items:center;display:flex}.view-all{color:var(--primary);background:0 0;font-weight:600}.recent-list{flex-direction:column;gap:1rem;display:flex}.mini-card{background:#fff;border-radius:12px;align-items:center;padding:1rem;transition:transform .2s;display:flex}.mini-card:hover{transform:translate(5px)}.mini-thumb{margin-right:1rem;font-size:1.5rem}.mini-info h4{color:var(--text-main);font-size:.95rem}.mini-info p{color:var(--primary);font-size:.8rem;font-weight:600}.study-tip-section{border-radius:var(--radius);color:#fff;background:linear-gradient(135deg,#9b59b6,#6c5ce7);height:fit-content;padding:2rem}.study-tip-section h3{margin-bottom:1rem}.study-tip-section p{opacity:.9;margin-bottom:1.5rem;font-size:1.05rem}.tip-action{color:var(--primary);background:#fff;border-radius:10px;padding:.8rem 1.2rem;font-weight:600}@media (width<=768px){.dashboard-content-grid{grid-template-columns:1fr}}.lessons-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.lesson-card{border-radius:var(--radius);cursor:pointer;text-align:center;background:#fff;flex-direction:column;align-items:center;padding:1.5rem;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;position:relative}.lesson-card.completed{border:1px solid var(--primary-light);background:#9b59b605}.completed-check{color:#fff;background:#10b981;border-radius:20px;padding:4px 10px;font-size:.7rem;font-weight:700;position:absolute;top:-10px;left:20px;box-shadow:0 4px 10px #10b9814d}.lesson-card:hover{transform:translateY(-8px);box-shadow:0 15px 35px #0000001a}.lesson-type-badge{letter-spacing:.5px;border-radius:6px;padding:4px 8px;font-size:.65rem;font-weight:800;position:absolute;top:15px;right:15px}.lesson-type-badge.pdf{color:#ef4444;background:#fee2e2}.lesson-type-badge.image{color:#4f46e5;background:#e0e7ff}.lesson-icon{margin-top:1rem;margin-bottom:1.2rem;font-size:3.5rem}.lesson-details h3{color:var(--text-main);margin-bottom:.5rem;font-size:1.1rem}.lesson-details p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.85rem}.lesson-actions{gap:10px;width:100%;margin-top:1.5rem;display:flex}.open-btn,.complete-btn{border-radius:10px;flex:1;padding:.8rem;font-size:.85rem;font-weight:600}.open-btn{background:var(--bg-main);color:var(--primary)}.complete-btn{color:var(--text-muted);background:#fff;border:1px solid #eee}.complete-btn.is-completed{color:#10b981;background:#ecfdf5;border-color:#10b981}.lesson-card:hover .open-btn{background:var(--primary);color:#fff}.modal-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:1000;background:#0006;justify-content:center;align-items:center;padding:2rem;display:flex;position:fixed;inset:0}.modal-content{background:#fff;border-radius:20px;flex-direction:column;width:100%;max-width:1000px;max-height:90vh;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid #eee;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.close-btn{background:#eee;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.5rem;display:flex}.viewer-container{flex:1;padding:1rem;overflow-y:auto}.image-summary-view{flex-direction:column;gap:2rem;display:flex}.summary-img{border-radius:12px;width:100%;box-shadow:0 4px 15px #0000001a}.extracted-data{background:#fdf2f8;border-radius:16px;margin-bottom:1rem;padding:2rem}.extracted-data h3{color:var(--secondary);margin-bottom:1.5rem}.summary-table{border-collapse:collapse;width:100%}.summary-table th,.summary-table td{text-align:left;border-bottom:1px solid #0000000d;padding:1rem}.gramP{color:#6d28d9;font-weight:600}.gramN{color:#db2777;font-weight:600}.summary-list{list-style:none}.summary-list li{border-bottom:1px solid #0000000d;padding:.8rem 0}.flashcard-view{flex-direction:column;align-items:center;gap:2rem;padding-top:1rem;display:flex}.flashcard-header{text-align:center}.flashcard-header h2{margin-bottom:.5rem;font-size:1.8rem}.card-container{perspective:1000px;cursor:pointer;width:100%;max-width:500px;height:320px}.flashcard{text-align:center;width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flashcard.flipped{transform:rotateY(180deg)}.card-face{backface-visibility:hidden;background:#fff;border:1px solid #0000000d;border-radius:24px;justify-content:center;align-items:center;width:100%;height:100%;padding:2.5rem;display:flex;position:absolute;box-shadow:0 15px 40px #0000001a}.card-face.back{background:linear-gradient(135deg, var(--bg-main), #fff);border:2px solid var(--primary-light);transform:rotateY(180deg)}.q-label,.a-label{text-transform:uppercase;letter-spacing:2px;border-radius:20px;width:fit-content;margin:0 auto 1.5rem;padding:4px 12px;font-size:.75rem;font-weight:800;display:block}.q-label{color:var(--primary);background:#f3e8ff}.a-label{color:#059669;background:#ecfdf5}.card-content h3{color:var(--text-main);font-size:1.5rem;line-height:1.4}.card-content p{color:var(--text-main);font-size:1.3rem;font-weight:500}.card-controls{align-items:center;gap:2rem;display:flex}.control-btn{color:var(--text-main);background:#fff;border-radius:12px;padding:.8rem 1.8rem;font-weight:600;box-shadow:0 4px 10px #0000000d}.control-btn.primary{background:var(--primary);color:#fff}.progress-dots{color:var(--text-muted);font-weight:700}.quiz-container{max-width:800px;margin:0 auto}.quiz-header{text-align:center;margin-bottom:2rem}.quiz-progress{color:var(--primary);text-transform:uppercase;letter-spacing:1px;font-size:.85rem;font-weight:700}.question-card{box-shadow:var(--shadow);background:#fff;border-radius:24px;margin-bottom:2rem;padding:2.5rem}.question-text{color:var(--text-main);margin-bottom:2rem;font-size:1.4rem;line-height:1.4}.options-grid{flex-direction:column;gap:1rem;display:flex}.option-btn{background:var(--bg-main);text-align:left;color:var(--text-main);border:2px solid #0000;border-radius:16px;align-items:center;padding:1.2rem;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.option-btn:hover:not(:disabled){border-color:var(--primary-light);transform:translate(5px)}.option-btn.selected{border-color:var(--primary);background:#9b59b60d}.option-btn.correct{color:#065f46;background:#ecfdf5;border-color:#10b981}.option-btn.wrong{color:#991b1b;background:#fef2f2;border-color:#ef4444}.option-letter{background:#fff;border-radius:8px;justify-content:center;align-items:center;width:30px;height:30px;margin-right:1rem;font-size:.9rem;font-weight:700;display:flex;box-shadow:0 2px 5px #0000000d}.quiz-footer{justify-content:center;display:flex}.action-btn{border-radius:14px;padding:1rem 3rem;font-size:1.1rem;font-weight:700;transition:all .3s}.action-btn.confirm{background:var(--primary);color:#fff;box-shadow:0 5px 15px #9b59b64d}.action-btn.confirm:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.action-btn.next{background:var(--text-main);color:#fff}.result-view{justify-content:center;padding-top:2rem;display:flex}.result-card{text-align:center;background:#fff;border-radius:30px;width:100%;max-width:500px;padding:3rem}.result-icon{margin-bottom:1.5rem;font-size:4rem;display:block}.score-text{margin-bottom:2rem;font-size:1.2rem}.progress-bar{background:#eee;border-radius:6px;height:12px;margin-bottom:2.5rem;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--primary), var(--accent));border-radius:6px;height:100%;transition:width 1s ease-out}.reset-btn{background:var(--bg-main);color:var(--primary);border-radius:12px;padding:1rem 2rem;font-weight:600}.pomodoro-widget{z-index:1000;background:#fff;border-radius:24px;flex-direction:column;align-items:center;gap:10px;width:180px;padding:1.2rem;transition:all .3s;display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 10px 40px #00000026}.pomodoro-widget.focus{border-top:4px solid var(--primary)}.pomodoro-widget.break{border-top:4px solid #10b981}.pomo-header{text-transform:uppercase;letter-spacing:1px;align-items:center;gap:8px;font-size:.85rem;font-weight:700;display:flex}.pomo-sounds{gap:5px;margin-top:5px;display:flex}.sound-btn{opacity:.5;background:0 0;border-radius:6px;padding:4px;font-size:.8rem;transition:all .2s}.sound-btn.active{opacity:1;background:#9b59b61a;transform:scale(1.1)}.pomo-timer{font-variant-numeric:tabular-nums;color:var(--text-main);margin:5px 0;font-size:2.2rem;font-weight:800}.pomo-controls{gap:8px;width:100%;display:flex}.pomo-btn{background:var(--bg-main);border-radius:12px;padding:8px;font-size:.9rem}.pomo-btn.main{background:var(--primary);color:#fff;flex:1;font-weight:600}.pomodoro-widget.break .pomo-btn.main{background:#10b981}.pomodoro-widget:hover{transform:translateY(-5px)}.content{flex:1;max-width:1400px;margin:0 auto;padding:2.5rem}.top-header{justify-content:space-between;align-items:flex-start;margin-bottom:3rem;display:flex}.greeting h1{color:var(--text-main);font-size:2.2rem;font-weight:700}.greeting p{color:var(--text-muted);font-size:1.1rem}.header-actions{align-items:center;gap:1.5rem;display:flex}.search-box{width:320px;box-shadow:var(--shadow);background:#fff;border-radius:14px;align-items:center;gap:10px;padding:.6rem 1.2rem;display:flex}.search-box input{width:100%;color:var(--text-main);background:0 0;border:none;outline:none;font-family:inherit;font-size:.95rem}.date-badge{color:var(--primary);text-transform:capitalize;box-shadow:var(--shadow);background:#fff;border-radius:14px;padding:.8rem 1.2rem;font-size:.9rem;font-weight:600}.page-content{animation:.6s ease-out forwards fadeIn}@media (width<=1024px){.app-container{flex-direction:column}.sidebar{width:100%;height:auto;padding:1rem;position:relative}.content{padding:1.5rem}}