@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;800&family=Inter:wght@300;400;500;600;700&display=swap');:root{--cream:#FAF6EF;--cream-2:#F2EAE0;--cream-3:#E8DDD0;--brown-light:#C4A882;--brown:#8B6D4E;--brown-dark:#3D2010;--accent:#D4845A;--accent-hover:#BE6E46;--accent-light:rgba(212,132,90,0.12);--danger:#C0392B;--warning:#D4845A;--success:#5A8A6E;--border:#DDD0C0;--border-dark:#C8B8A2;--shadow-sm:0 2px 8px rgba(61,32,16,0.08);--shadow:0 6px 24px rgba(61,32,16,0.12);--shadow-lg:0 16px 48px rgba(61,32,16,0.18);--radius:14px;--radius-sm:8px;--text-primary:#2D1A0E;--text-secondary:#6B4C33;--text-muted:#9E7D62;--bg-primary:var(--cream);--bg-secondary:var(--cream-2);--bg-card:#FFFFFF;--bg-hover:var(--cream-3)}.prose{font-size:0.9rem;color:var(--text-secondary);line-height:1.7}.prose p{margin:0 0 0.6rem}.prose h1,.prose h2,.prose h3{color:var(--brown-dark);margin:0.8rem 0 0.3rem;font-weight:700}.prose h1{font-size:1.15rem}.prose h2{font-size:1rem}.prose h3{font-size:0.92rem}.prose ul{padding-left:1.2rem;margin-bottom:0.6rem}.prose li{margin-bottom:0.2rem}.prose code{font-family:monospace;background:var(--cream-2);padding:0.1rem 0.3rem;border-radius:4px;font-size:0.85em}.prose a{color:var(--accent);text-decoration:underline}.prose strong{color:var(--brown-dark)}.pwa-banner{position:fixed;bottom:0;left:0;right:0;z-index:400;background:var(--brown-dark);color:#faf6ef;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0.5rem;padding:0.75rem 1.25rem;font-size:0.88rem;box-shadow:0 -2px 12px rgba(0,0,0,0.15)}.pwa-banner .btn-outline{border-color:rgba(250,246,239,0.4);color:#faf6ef}[data-theme="dark"]{--cream:#1a1612;--cream-2:#221d18;--cream-3:#2e2720;--brown-light:#8a7060;--brown:#b09070;--brown-dark:#f0e0c8;--accent:#e8936a;--accent-hover:#d47a53;--accent-light:rgba(232,147,106,0.15);--border:#3a322a;--border-dark:#4a3e33;--shadow-sm:0 2px 8px rgba(0,0,0,0.3);--shadow:0 6px 24px rgba(0,0,0,0.4);--shadow-lg:0 16px 48px rgba(0,0,0,0.5);--text-primary:#f0e0c8;--text-secondary:#c8aa8a;--text-muted:#8a7060;--bg-primary:var(--cream);--bg-secondary:var(--cream-2);--bg-card:#26201a;--bg-hover:var(--cream-3);--surface:#26201a}[data-theme="dark"] body{background:#1a1612}[data-theme="dark"] .course-card,[data-theme="dark"] .stat-card,[data-theme="dark"] .daily-quiz-card,[data-theme="dark"] .search-bar,[data-theme="dark"] .overlay-content,[data-theme="dark"] .modal-content{background:var(--bg-card)}[data-theme="dark"] .welcome-banner{background:linear-gradient(135deg,#2e2420 0%,#1a1612 100%)}[data-theme="dark"] .app-header{background:rgba(26,22,18,0.95);border-bottom-color:var(--border)}[data-theme="dark"] .app-nav{background:var(--bg-card);border-color:var(--border)}[data-theme="dark"] .player-toc,[data-theme="dark"] .toc-header,[data-theme="dark"] .settings-card,[data-theme="dark"] .wishlist-item,[data-theme="dark"] .search-modal-inner{background:var(--bg-card)}[data-theme="dark"] .toc-lesson:hover{background:var(--cream-3)}[data-theme="dark"] input,[data-theme="dark"] textarea,[data-theme="dark"] select{background:var(--cream-2);color:var(--text-primary);border-color:var(--border)}.dark-toggle{background:none;border:1.5px solid var(--border);border-radius:999px;padding:0.3rem 0.55rem;cursor:pointer;font-size:0.85rem;color:var(--text-primary);display:flex;align-items:center;gap:0.25rem}.dark-toggle:hover{border-color:var(--accent)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--cream);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}img{max-width:100%;display:block}button{cursor:pointer;font-family:inherit;border:none;background:none;color:inherit}input,select,textarea{font-family:inherit;font-size:1rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--cream-2)}::-webkit-scrollbar-thumb{background:var(--brown-light);border-radius:3px}h1{font-size:1.75rem;font-weight:700;color:var(--brown-dark)}h2{font-size:1.35rem;font-weight:600;color:var(--brown-dark)}h3{font-size:1.1rem;font-weight:600;color:var(--brown-dark)}h4{font-size:1rem;font-weight:600;color:var(--brown-dark)}.text-sm{font-size:0.875rem}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.accent{color:var(--accent)}.page-title{margin-bottom:1.1rem}.section-heading{font-size:0.73rem;font-weight:700;text-transform:uppercase;letter-spacing:0.09em;color:var(--text-muted);margin-bottom:0.85rem}#app{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 1.25rem;background:var(--cream);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.app-header .logo{font-size:1.1rem;font-weight:700;color:var(--brown-dark);letter-spacing:-0.3px}.header-actions{display:flex;align-items:center;gap:0.5rem;position:relative}.icon-btn{padding:0.5rem;border-radius:10px;transition:background 0.2s;position:relative;color:var(--text-secondary)}.icon-btn:hover{background:var(--cream-3)}.notif-wrap{position:relative}.notif-badge{position:absolute;top:2px;right:2px;background:var(--danger);color:white;font-size:0.65rem;padding:1px 4px;border-radius:10px;min-width:16px;text-align:center}.notif-dropdown{position:absolute;right:0;top:calc(100%+8px);width:320px;background:white;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 30px rgba(61,32,16,0.14);z-index:200;overflow:hidden}.notif-header{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 1rem;border-bottom:1px solid var(--border);font-weight:600;font-size:0.88rem;color:var(--brown-dark)}.btn-link{background:none;border:none;color:var(--accent);font-size:0.8rem;cursor:pointer}.btn-link:hover{text-decoration:underline}.btn-link-danger{background:none;border:none;color:var(--text-muted);font-size:0.8rem;cursor:pointer;padding:0}.btn-link-danger:hover{color:#c0392b;text-decoration:underline}.notif-empty{padding:1.25rem 1rem;color:var(--text-muted);font-size:0.88rem;text-align:center}.notif-item{display:flex;gap:0.75rem;padding:0.8rem 1rem;border-bottom:1px solid var(--cream-2);cursor:pointer;transition:background 0.15s}.notif-item:hover{background:var(--cream)}.notif-item.unread{background:rgba(212,132,90,0.06)}.notif-item.unread::before{content:'';display:block;width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:5px}.notif-item-body{flex:1;min-width:0}.notif-item-title{font-size:0.87rem;font-weight:600;color:var(--brown-dark)}.notif-item-msg{font-size:0.8rem;color:var(--text-muted);margin-top:0.15rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notif-item-time{font-size:0.72rem;color:var(--text-muted);margin-top:0.25rem}.avatar-sm{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brown-light),var(--accent));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.8rem;color:white}.avatar-lg{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--brown-light),var(--accent));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.5rem;color:white;flex-shrink:0}.dropdown{position:fixed;top:56px;right:1rem;background:white;border:1px solid var(--border);border-radius:var(--radius);min-width:220px;box-shadow:var(--shadow-lg);z-index:9999;overflow:hidden;max-width:calc(100vw - 1rem)}.dropdown button{display:block;width:100%;text-align:left;padding:0.75rem 1rem;font-size:0.9rem;color:var(--text-secondary);transition:background 0.15s}.dropdown button:hover{background:var(--cream-2);color:var(--text-primary)}.dropdown-header{padding:0.875rem 1rem;display:flex;align-items:center;gap:0.75rem;background:var(--cream-2)}.dropdown-divider{height:1px;background:var(--border)}.user-menu-btn{position:relative}#main-content{flex:1;padding-bottom:72px}.page{display:none}.page.active{display:block}.page-inner{max-width:1100px;margin:0 auto;padding:1.5rem 1.25rem}.section{margin-top:2.25rem}.sidebar-label{display:none}.app-nav{position:fixed;bottom:0;left:0;right:0;background:white;border-top:1px solid var(--border);display:flex;z-index:100;padding:0.25rem 0;box-shadow:0 -4px 16px rgba(61,32,16,0.08)}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:0.2rem;padding:0.5rem 0;font-size:0.7rem;color:var(--text-muted);transition:color 0.2s}.nav-item.active{color:var(--accent)}.nav-item svg{width:22px;height:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.625rem 1.25rem;border-radius:var(--radius-sm);font-weight:600;font-size:0.9rem;transition:all 0.2s;border:1.5px solid transparent}.btn-primary{background:var(--brown-dark);color:white;border-color:var(--brown-dark)}.btn-primary:hover{background:var(--brown);border-color:var(--brown)}.btn-secondary{background:var(--cream-3);color:var(--text-primary);border-color:var(--cream-3)}.btn-secondary:hover{background:var(--border)}.btn-outline{border-color:var(--border);color:var(--text-secondary);background:transparent}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-accent{background:var(--accent);color:white;border-color:var(--accent)}.btn-accent:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger);color:white;border-color:var(--danger)}.btn-danger:hover{background:#a93226}.btn-sm{padding:0.375rem 0.75rem;font-size:0.8rem}.btn-lg{padding:0.875rem 1.75rem;font-size:1rem}.btn-block{width:100%}.btn-icon{display:inline-flex;align-items:center;gap:0.5rem;padding:0.5rem;color:var(--text-secondary)}.btn-icon:hover{color:var(--accent)}.btn:disabled{opacity:0.45;cursor:not-allowed}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:0.85rem;color:var(--text-secondary);margin-bottom:0.35rem;font-weight:600}input[type="text"],input[type="email"],input[type="password"],input[type="number"],input[type="search"],select,textarea{width:100%;padding:0.65rem 0.9rem;background:white;color:var(--text-primary);border:1.5px solid var(--border);border-radius:var(--radius-sm);transition:border-color 0.2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}textarea{resize:vertical;min-height:60px}.form-error{color:var(--danger);font-size:0.85rem;margin-top:0.5rem}.password-reqs{font-size:0.8rem;color:var(--text-muted);margin-bottom:1rem}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1.25rem}.course-card{background:white;border-radius:var(--radius);border:1px solid var(--border);transition:transform 0.25s,box-shadow 0.25s;cursor:pointer;overflow:hidden}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brown-light)}.card-thumbnail{position:relative;width:100%;height:150px;background:linear-gradient(135deg,var(--cream-2),var(--cream-3));display:flex;align-items:center;justify-content:center;color:var(--brown-light);font-size:2.5rem;overflow:hidden}.card-thumbnail img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.card-status-badge{position:absolute;top:0.5rem;left:0.5rem;font-size:0.7rem;font-weight:700;padding:0.2rem 0.55rem;border-radius:999px;letter-spacing:0.03em;pointer-events:none}.card-status-badge.completed{background:#10b981;color:#fff}.card-status-badge.enrolled{background:var(--accent);color:#fff}.card-body{padding:1rem}.card-category{display:inline-block;font-size:0.67rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--brown);background:var(--cream-2);padding:0.18rem 0.5rem;border-radius:50px;margin-bottom:0.5rem;border:1px solid var(--border)}.card-body h3{font-size:0.93rem;margin-bottom:0.3rem;line-height:1.35;color:var(--brown-dark)}.card-body p{font-size:0.82rem;color:var(--text-muted);margin-bottom:0.45rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-stats{display:flex;gap:0.85rem;font-size:0.77rem;color:var(--text-muted)}.card-rating{margin-top:0.4rem}.card-progress{margin-top:0.75rem}.stars{color:#f59e0b;font-size:0.85rem;letter-spacing:0.5px}.stars-count{font-size:0.78rem;color:var(--text-muted);font-weight:600;margin-left:2px}.progress-bar{height:5px;background:var(--cream-3);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--brown-light),var(--accent));border-radius:3px;transition:width 0.5s ease}.progress-text{font-size:0.78rem;color:var(--text-muted);margin-top:0.3rem}.overlay{position:fixed;inset:0;background:rgba(61,32,16,0.5);z-index:300;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn 0.2s ease}.overlay-content{position:relative;background:white;width:100%;max-width:820px;max-height:90vh;border-radius:var(--radius) var(--radius) 0 0;padding:1.75rem;overflow-y:auto;animation:slideUp 0.3s ease}.overlay-close{position:absolute;top:1rem;right:1rem;z-index:10;width:32px;height:32px;border-radius:50%;background:var(--cream-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--text-muted);cursor:pointer;transition:all 0.15s}.overlay-close:hover{background:var(--cream-3);color:var(--text-primary)}.detail-header{display:flex;gap:1.5rem;margin-bottom:1.5rem}.detail-thumb{width:200px;height:130px;border-radius:var(--radius-sm);object-fit:cover;background:var(--cream-2);flex-shrink:0}.detail-info{flex:1}.detail-meta{display:flex;gap:1rem;font-size:0.85rem;color:var(--text-muted);margin:0.75rem 0}.sections-accordion{display:flex;flex-direction:column;gap:0.5rem}.section-item{background:var(--cream);border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}.section-header{padding:0.875rem 1rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;transition:background 0.2s;color:var(--brown-dark)}.section-header:hover{background:var(--cream-2)}.section-header .arrow{transition:transform 0.2s;color:var(--text-muted)}.section-item.open .arrow{transform:rotate(90deg)}.section-lessons{display:none}.section-item.open .section-lessons{display:block}.lesson-item{display:flex;align-items:center;gap:0.75rem;padding:0.75rem 1rem 0.75rem 1.5rem;border-top:1px solid var(--border);cursor:pointer;transition:background 0.2s}.lesson-item:hover{background:var(--cream-2)}.lesson-item .play-icon{color:var(--accent);flex-shrink:0}.lesson-item .lock-icon{color:var(--text-muted);flex-shrink:0}.lesson-item .lesson-title{flex:1;font-size:0.9rem;color:var(--text-primary)}.lesson-item .lesson-duration{font-size:0.8rem;color:var(--text-muted)}.lesson-item .lesson-check{color:var(--success);flex-shrink:0}.free-badge{font-size:0.65rem;background:rgba(90,138,110,0.15);color:var(--success);padding:0.1rem 0.4rem;border-radius:4px;font-weight:700}.premium-badge{font-size:0.7rem;background:linear-gradient(135deg,var(--accent),var(--brown-light));color:white;padding:0.15rem 0.5rem;border-radius:4px;font-weight:700}.player-layout{max-width:1280px;margin:0 auto;padding:0}.player-top-bar{margin-bottom:0.75rem;padding:0.75rem 1.25rem 0}.video-wrapper{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;background:#1a0e07;margin-bottom:1rem}.video-wrapper video{width:100%;display:block;max-height:70vh}.cvp{position:absolute;bottom:0;left:0;right:0;z-index:10;padding:0 0 4px;opacity:0;transition:opacity .25s}.video-wrapper:hover .cvp,.video-wrapper:focus-within .cvp,.video-wrapper.cvp-paused .cvp{opacity:1}.cvp-gradient{position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(transparent,rgba(0,0,0,.75));pointer-events:none}.cvp-progress-area{padding:6px 12px 2px;cursor:pointer;position:relative;z-index:1}.cvp-progress-track{height:4px;background:rgba(255,255,255,.25);border-radius:2px;position:relative;transition:height .15s}.cvp-progress-area:hover .cvp-progress-track{height:6px}.cvp-progress-fill{position:absolute;left:0;top:0;bottom:0;background:var(--accent);border-radius:2px;width:0;pointer-events:none}.cvp-progress-thumb{position:absolute;top:50%;width:12px;height:12px;background:#fff;border-radius:50%;transform:translate(-50%,-50%) scale(0);transition:transform .15s;pointer-events:none;left:0}.cvp-progress-area:hover .cvp-progress-thumb{transform:translate(-50%,-50%) scale(1)}.cvp-row{display:flex;align-items:center;justify-content:space-between;padding:2px 8px 4px;position:relative;z-index:1;gap:.25rem}.cvp-left{display:flex;align-items:center;gap:.25rem}.cvp-right{display:flex;align-items:center;gap:.25rem}.cvp-btn{background:none;border:none;color:rgba(255,255,255,.9);cursor:pointer;padding:5px 6px;border-radius:5px;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;font-size:.8rem;font-weight:600;line-height:1}.cvp-btn:hover{background:rgba(255,255,255,.15);color:#fff}.cvp-vol-slider{width:60px;height:4px;-webkit-appearance:none;appearance:none;background:rgba(255,255,255,.35);border-radius:2px;cursor:pointer;accent-color:var(--accent)}.cvp-time{color:rgba(255,255,255,.85);font-size:.78rem;font-variant-numeric:tabular-nums;white-space:nowrap;padding:0 4px}.cvp-speed-wrap{position:relative}.cvp-speed-popup{position:absolute;bottom:calc(100%+6px);right:0;background:rgba(20,10,5,.92);border-radius:8px;padding:.35rem .25rem;display:flex;flex-direction:column;gap:2px;min-width:62px;box-shadow:0 4px 16px rgba(0,0,0,.4);z-index:20}.cvp-speed-popup button{background:none;border:none;color:rgba(255,255,255,.8);padding:.3rem .7rem;border-radius:5px;cursor:pointer;font-size:.82rem;text-align:center}.cvp-speed-popup button:hover{background:rgba(255,255,255,.12);color:#fff}.cvp-speed-popup button.active{color:var(--accent);font-weight:700}.video-wrapper.cvp-paused .cvp{opacity:1}:fullscreen .cvp-vol-slider{display:none}:fullscreen .cvp-time{font-size:.85rem}.resume-prompt{display:flex;align-items:center;justify-content:space-between;background:var(--cream);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:0.65rem 1rem;margin-bottom:0.75rem;gap:0.75rem;flex-wrap:wrap;font-size:0.88rem;color:var(--brown-dark)}.autoplay-toggle{display:flex;align-items:center;gap:0.4rem;cursor:pointer;user-select:none}.autoplay-toggle input{display:none}.autoplay-track{width:34px;height:20px;background:var(--cream-3);border-radius:999px;position:relative;transition:background 0.2s;flex-shrink:0}.autoplay-toggle input:checked+.autoplay-track{background:var(--accent)}.autoplay-thumb{position:absolute;top:3px;left:3px;width:14px;height:14px;background:white;border-radius:50%;transition:left 0.2s;box-shadow:0 1px 3px rgba(0,0,0,0.2)}.autoplay-toggle input:checked+.autoplay-track .autoplay-thumb{left:17px}.autoplay-label{font-size:0.82rem;color:var(--text-muted)}.player-info{margin-bottom:1.25rem;padding:0 1.25rem}.player-info h2{margin-bottom:0.4rem}.player-actions{display:flex;align-items:center;justify-content:space-between;margin-top:1rem;flex-wrap:wrap;gap:0.75rem}.player-nav-btns{display:flex;gap:0.5rem}.notes-section{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.notes-input-row{display:flex;gap:0.75rem;margin-bottom:1rem}.notes-input-row textarea{flex:1}.notes-list{display:flex;flex-direction:column;gap:0.75rem}.note-card{background:var(--cream);padding:0.75rem;border-radius:var(--radius-sm);border-left:3px solid var(--accent)}.note-card .note-meta{display:flex;justify-content:space-between;font-size:0.8rem;color:var(--text-muted);margin-bottom:0.35rem}.note-card .note-content{font-size:0.9rem;color:var(--text-primary)}.note-card .delete-note{color:var(--danger);cursor:pointer;font-size:0.8rem}.note-card .delete-note:hover{text-decoration:underline}.welcome-banner{background:linear-gradient(135deg,var(--brown-dark) 0%,var(--brown) 100%);border-radius:16px;padding:1.75rem 2rem;margin-bottom:1.75rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;position:relative;overflow:hidden}.welcome-banner::before{content:'';position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:rgba(250,246,239,0.06)}.welcome-banner::after{content:'';position:absolute;right:60px;bottom:-60px;width:140px;height:140px;border-radius:50%;background:rgba(250,246,239,0.04)}.welcome-text{position:relative;z-index:1}.welcome-greeting{font-size:0.85rem;font-weight:500;color:var(--brown-light);margin-bottom:0.3rem}.welcome-banner h1{color:white;font-size:1.5rem;font-weight:800;margin-bottom:0.35rem}.welcome-sub{font-size:0.875rem;color:rgba(250,246,239,0.7)}.welcome-cta{position:relative;z-index:1;display:inline-flex;align-items:center;gap:0.5rem;background:white;color:var(--brown-dark);padding:0.7rem 1.5rem;border-radius:50px;font-size:0.875rem;font-weight:700;border:none;cursor:pointer;transition:all 0.2s;white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,0.15)}.welcome-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.2)}.xp-level-section{margin-bottom:1.5rem}.xp-level-row{display:flex;align-items:center;gap:0.75rem;flex-wrap:wrap;margin-bottom:0.5rem}.xp-level-badge{background:var(--accent);color:#fff;font-size:0.8rem;font-weight:700;padding:0.25rem 0.7rem;border-radius:999px}.xp-total{font-size:0.9rem;font-weight:700;color:var(--brown-dark)}.xp-streak{font-size:0.85rem;color:var(--text-muted)}.xp-bar-wrap{height:8px;background:var(--cream-3);border-radius:99px;overflow:hidden;margin-bottom:0.3rem}.xp-bar{height:100%;background:linear-gradient(90deg,var(--accent),#f59e0b);border-radius:99px;transition:width 0.6s ease}.xp-bar-label{font-size:0.78rem;color:var(--text-muted)}.gamification-stats{display:flex;gap:0.6rem;flex-wrap:wrap;margin-bottom:1rem}.stat-chip{display:flex;align-items:center;gap:0.4rem;background:white;border:1.5px solid var(--border);border-radius:999px;padding:0.3rem 0.8rem;font-size:0.82rem;font-weight:600;color:var(--brown-dark);box-shadow:0 1px 4px rgba(61,32,16,0.06)}.stat-chip .stat-icon{font-size:1rem}.daily-quiz-card{background:white;border:1.5px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:0 2px 12px rgba(61,32,16,0.07)}.daily-quiz-card .dq-question{font-size:1rem;font-weight:600;color:var(--brown-dark);margin-bottom:1rem}.dq-options{display:flex;flex-direction:column;gap:0.4rem;margin-bottom:1rem}.dq-option{display:flex;align-items:center;gap:0.6rem;padding:0.55rem 0.8rem;border-radius:8px;border:1.5px solid var(--cream-3);cursor:pointer;font-size:0.9rem;transition:all 0.15s;background:none;width:100%;text-align:left}.dq-option:hover:not(:disabled){border-color:var(--accent);background:rgba(212,132,90,0.06)}.dq-option.selected{border-color:var(--accent);background:rgba(212,132,90,0.1)}.dq-option.correct{border-color:#10b981;background:rgba(16,185,129,0.08);color:#065f46;font-weight:600}.dq-option.wrong{border-color:#ef4444;background:rgba(239,68,68,0.07);color:#991b1b}.dq-option .dq-key{font-weight:700;width:20px;flex-shrink:0}.dq-result{padding:0.75rem 1rem;border-radius:8px;font-size:0.9rem;font-weight:500;margin-top:0.75rem}.dq-result.correct{background:rgba(16,185,129,0.1);color:#065f46}.dq-result.wrong{background:rgba(239,68,68,0.08);color:#991b1b}.continue-card{background:linear-gradient(135deg,white,var(--cream-2));border:1px solid var(--border-dark);border-radius:var(--radius);padding:1.25rem;display:flex;gap:1rem;align-items:center;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s}.continue-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.continue-card .thumb{width:80px;height:52px;border-radius:var(--radius-sm);background:var(--cream-3);flex-shrink:0;object-fit:cover}.continue-card .info{flex:1}.continue-card .info h3{font-size:0.95rem;margin-bottom:0.25rem;color:var(--brown-dark)}.continue-card .info p{font-size:0.8rem;color:var(--text-muted)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:0.85rem;margin:1.25rem 0 1.5rem}.stat-card{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:1rem 0.85rem;text-align:center;transition:box-shadow 0.2s}.stat-card:hover{box-shadow:var(--shadow)}.stat-value{font-size:1.65rem;font-weight:800;color:var(--accent)}.stat-label{font-size:0.72rem;color:var(--text-muted);margin-top:0.2rem;text-transform:uppercase;letter-spacing:0.07em}.profile-header{display:flex;align-items:center;gap:1.25rem;margin-bottom:1.25rem}.avatar-lg-wrap{position:relative;cursor:pointer;flex-shrink:0;display:block}.avatar-edit-overlay{position:absolute;inset:0;border-radius:50%;background:rgba(61,32,16,0.5);color:white;display:flex;align-items:center;justify-content:center;font-size:1.2rem;opacity:0;transition:opacity 0.2s}.avatar-lg-wrap:hover .avatar-edit-overlay{opacity:1}.profile-name-row{display:flex;align-items:center;gap:0.5rem}.profile-edit-btn{font-size:0.85rem;opacity:0.5;transition:opacity 0.15s;padding:0.2rem}.profile-edit-btn:hover{opacity:1}.name-edit-row{display:flex;flex-direction:column;gap:0.4rem;margin-top:0.4rem}.name-fields-row{display:flex;gap:0.5rem;flex-wrap:wrap}.name-fields-row input{padding:0.35rem 0.6rem;border:1.5px solid var(--border);border-radius:6px;font-size:0.9rem;outline:none;flex:1;min-width:120px}.name-fields-row input:focus{border-color:var(--accent)}.name-cert-hint{font-size:0.78rem;color:var(--text-muted);margin:0}.badges-grid{display:flex;flex-wrap:wrap;gap:0.75rem}.badge{display:flex;align-items:center;gap:0.5rem;background:white;border:1px solid var(--border);border-radius:var(--radius-sm);padding:0.625rem 1rem}.badge .badge-emoji{font-size:1.5rem}.badge .badge-label{font-size:0.85rem;color:var(--text-secondary)}.badge.earned{border-color:var(--accent);background:rgba(212,132,90,0.06)}.badge.locked{opacity:0.4}.certificates-list{display:flex;flex-direction:column;gap:0.75rem}.certificate-card{background:white;border:1px solid var(--accent);border-radius:var(--radius);padding:1rem;display:flex;justify-content:space-between;align-items:center}.certificate-card .cert-info h3{font-size:0.95rem;color:var(--brown-dark)}.certificate-card .cert-info p{font-size:0.8rem;color:var(--text-muted)}.certificate-card .cert-code{font-family:monospace;font-size:0.8rem;color:var(--accent)}body.locked .page.active{pointer-events:none;opacity:0.3;filter:blur(3px);transition:all 0.4s}body.locked #app-nav{pointer-events:none;opacity:0.3}.modal{position:fixed;inset:0;background:rgba(61,32,16,0.5);z-index:500;display:none;align-items:center;justify-content:center;animation:fadeIn 0.2s;backdrop-filter:blur(4px)}.modal.show{display:flex}.modal-content{background:white;border-radius:20px;padding:2rem;width:100%;max-width:420px;margin:1rem;position:relative;animation:slideUp 0.3s ease;box-shadow:0 24px 64px rgba(61,32,16,0.22)}.auth-modal-content{padding:2rem 2.2rem}.modal-close{position:absolute;top:1rem;right:1rem;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--text-muted);cursor:pointer;background:var(--cream-2);transition:all 0.2s}.modal-close:hover{background:var(--cream-3);color:var(--text-primary)}body.locked .modal-close{display:none}.auth-brand{display:flex;align-items:center;gap:0.6rem;margin-bottom:1.5rem}.auth-brand-mark{width:30px;height:30px;border-radius:8px;background:var(--brown-dark);display:flex;align-items:center;justify-content:center;color:white;flex-shrink:0}.auth-brand span{font-weight:700;font-size:0.95rem;color:var(--brown-dark)}.auth-heading{font-size:1.5rem;font-weight:800;color:var(--brown-dark);margin-bottom:0.3rem}.auth-sub{font-size:0.875rem;color:var(--text-muted);margin-bottom:1.5rem}.auth-tabs{display:flex;gap:0.35rem;margin-bottom:1.5rem;background:var(--cream-2);border-radius:10px;padding:0.3rem}.auth-tab{flex:1;padding:0.55rem;text-align:center;font-weight:600;font-size:0.875rem;color:var(--text-muted);border-radius:8px;transition:all 0.2s}.auth-tab.active{background:white;color:var(--brown-dark);box-shadow:0 2px 8px rgba(61,32,16,0.1)}.auth-form.hidden{display:none}.input-icon-wrap{position:relative;margin-bottom:0.85rem}.input-icon-wrap input{padding-left:2.6rem;border-radius:10px;border:1.5px solid var(--border);transition:border-color 0.2s,box-shadow 0.2s}.input-icon-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,132,90,0.15)}.input-icon{position:absolute;left:0.85rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.password-reqs{font-size:0.75rem;color:var(--text-muted);margin:-0.25rem 0 0.85rem}.btn-auth-submit{background:var(--brown-dark);color:white;border-radius:10px;padding:0.75rem;font-size:0.95rem;font-weight:700;border:none;transition:all 0.2s;box-shadow:0 4px 12px rgba(61,32,16,0.2)}.btn-auth-submit:hover{background:var(--brown);transform:translateY(-1px);box-shadow:0 6px 16px rgba(61,32,16,0.25)}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1.1rem 0;color:var(--text-muted);font-size:0.82rem}.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}.btn-google{width:100%;display:flex;align-items:center;justify-content:center;gap:0.75rem;padding:0.7rem;background:white;color:var(--text-primary);border:1.5px solid var(--border);border-radius:10px;font-weight:600;font-size:0.875rem;transition:background 0.2s,border-color 0.2s,box-shadow 0.2s}.btn-google:hover{background:var(--cream);border-color:var(--brown-light);box-shadow:0 2px 8px rgba(61,32,16,0.1)}.auth-social-proof{text-align:center;margin-top:1.1rem;font-size:0.8rem;color:var(--text-muted)}.auth-social-proof strong{color:var(--brown-dark)}.auth-avatars{margin-right:0.3rem;letter-spacing:-0.15em}.premium-header{text-align:center;margin-bottom:1.5rem}.premium-header h2{font-size:1.5rem;color:var(--brown-dark)}.premium-features{list-style:none;margin-bottom:1.5rem}.premium-features li{padding:0.5rem 0;padding-left:1.5rem;position:relative;color:var(--text-secondary)}.premium-features li::before{content:'✓';position:absolute;left:0;color:var(--accent);font-weight:700}.search-bar{display:flex;align-items:center;gap:0.6rem;background:white;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:0.45rem 0.85rem;margin-bottom:0.75rem;transition:border-color 0.2s,box-shadow 0.2s}.search-bar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,132,90,0.1)}.search-bar svg{color:var(--text-muted);flex-shrink:0;width:17px;height:17px}.search-bar input{background:transparent;border:none;color:var(--text-primary);flex:1;outline:none;font-size:0.9rem}.search-dropdown{position:absolute;top:calc(100%+6px);left:0;right:0;background:var(--surface,#fff);border:1.5px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow);z-index:300;max-height:360px;overflow-y:auto}.sd-section{font-size:0.7rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted);padding:0.5rem 0.85rem 0.2rem}.sd-item{display:flex;align-items:center;gap:0.75rem;padding:0.55rem 0.85rem;cursor:pointer;transition:background 0.12s}.sd-item:hover{background:var(--cream-2)}.sd-locked{opacity:0.6}.sd-icon{font-size:0.9rem;flex-shrink:0}.sd-title{font-size:0.88rem;font-weight:500;color:var(--text-primary)}.sd-sub{font-size:0.75rem;color:var(--text-muted)}.sd-loading,.sd-empty{padding:0.85rem;color:var(--text-muted);font-size:0.85rem;text-align:center}.courses-toolbar{display:flex;align-items:flex-start;gap:0.75rem;flex-wrap:wrap;margin-bottom:1.25rem}.courses-toolbar .category-filters{flex:1;margin-bottom:0}.toolbar-right{display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap}.courses-top-bar{display:flex;align-items:center;gap:0.5rem;margin-bottom:1.25rem}.search-compact{position:relative;display:flex;align-items:center;background:white;border:1.5px solid var(--border);border-radius:50px;transition:border-color 0.2s,box-shadow 0.2s,width 0.25s ease;overflow:visible;width:2.4rem;min-width:2.4rem}.search-compact:hover,.search-compact:focus-within,.search-compact.expanded{width:18rem;border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,132,90,0.1)}.search-compact-btn{background:none;border:none;padding:0.5rem 0.55rem;color:var(--text-muted);cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center}.search-compact input{background:transparent;border:none;outline:none;font-size:0.875rem;color:var(--text-primary);width:0;flex:1;padding:0.45rem 0 0.45rem 0;transition:width 0.25s ease}.search-compact:hover input,.search-compact:focus-within input,.search-compact.expanded input{width:auto;padding-right:0.5rem}.search-compact-clear{background:none;border:none;padding:0.4rem 0.55rem;color:var(--text-muted);cursor:pointer;flex-shrink:0;display:flex;align-items:center}.filter-btn{display:flex;align-items:center;gap:0.35rem;padding:0.45rem 0.85rem;border-radius:50px;background:white;border:1.5px solid var(--border);color:var(--text-secondary);font-size:0.82rem;font-weight:500;cursor:pointer;transition:all 0.2s;white-space:nowrap;flex-shrink:0}.filter-btn:hover{border-color:var(--brown-light);color:var(--brown)}.filter-btn.active{background:var(--brown-dark);color:white;border-color:var(--brown-dark)}.filter-active-count{display:inline-flex;align-items:center;justify-content:center;width:1.1rem;height:1.1rem;border-radius:50%;background:var(--accent);color:white;font-size:0.65rem;font-weight:700}.filter-btn.active .filter-active-count{background:rgba(255,255,255,0.3)}.filter-panel{display:flex;align-items:flex-end;flex-wrap:wrap;gap:0.75rem;background:white;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:0.85rem 1rem;margin-bottom:1rem;box-shadow:var(--shadow-sm);animation:fadeIn 0.15s ease}.filter-panel.hidden{display:none}.filter-group{display:flex;flex-direction:column;gap:0.3rem}.filter-group label{font-size:0.72rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.04em}.filter-reset-btn{padding:0.35rem 0.8rem;border-radius:50px;font-size:0.78rem;font-weight:500;background:none;border:1.5px solid var(--border-dark);color:var(--text-secondary);cursor:pointer;transition:all 0.2s;margin-top:0.5rem;align-self:flex-end}.filter-reset-btn:hover{background:var(--cream-2);border-color:var(--brown-light)}[data-theme="dark"] .search-compact,[data-theme="dark"] .filter-btn,[data-theme="dark"] .filter-panel{background:var(--bg-card)}[data-theme="dark"] .filter-btn.active{background:var(--brown-dark)}.sort-select{padding:0.35rem 0.7rem;border-radius:50px;font-size:0.8rem;font-weight:500;background:white;border:1.5px solid var(--border);color:var(--brown-dark);cursor:pointer;outline:none;align-self:flex-start;transition:border-color 0.2s}.sort-select:hover{border-color:var(--brown-light)}.sort-select:focus{border-color:var(--accent)}.category-filters{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1.25rem}.filter-chip{padding:0.375rem 0.875rem;border-radius:50px;font-size:0.8rem;font-weight:500;background:white;border:1.5px solid var(--border);color:var(--text-secondary);transition:all 0.2s}.filter-chip:hover{border-color:var(--brown-light);color:var(--brown)}.filter-chip.active{background:var(--brown-dark);color:white;border-color:var(--brown-dark)}#toast-container{position:fixed;top:1rem;right:1rem;z-index:1000;display:flex;flex-direction:column;gap:0.5rem}.toast{padding:0.75rem 1.25rem;border-radius:var(--radius-sm);font-size:0.9rem;animation:slideIn 0.3s ease;min-width:250px;box-shadow:var(--shadow)}.toast-success{background:var(--success);color:white}.toast-error{background:var(--danger);color:white}.toast-info{background:white;color:var(--text-primary);border:1px solid var(--border)}.hidden{display:none !important}.loading-spinner{display:flex;justify-content:center;padding:3rem}.spinner{width:36px;height:36px;border:3px solid var(--cream-3);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted)}.empty-state p{margin-bottom:1rem}.empty-state-rich{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1.5rem;text-align:center;gap:0.5rem}.es-icon{font-size:2.8rem;line-height:1;margin-bottom:0.25rem}.es-title{font-size:1.1rem;font-weight:700;color:var(--brown-dark);margin:0}.es-sub{font-size:0.85rem;color:var(--text-muted);margin:0 0 0.75rem}.empty-state-rich .btn{margin-top:0.25rem}.announcements-widget{display:flex;flex-direction:column;gap:0.5rem;margin-bottom:1.25rem}.announcement-item{display:flex;align-items:flex-start;gap:0.75rem;padding:0.75rem 1rem;border-radius:10px;border:1.5px solid;position:relative}.ann-info{background:#eff6ff;border-color:#bfdbfe}.ann-warning{background:#fffbeb;border-color:#fde68a}.ann-success{background:#f0fdf4;border-color:#bbf7d0}.ann-error{background:#fef2f2;border-color:#fecaca}.ann-icon{font-size:1.15rem;flex-shrink:0}.ann-body{flex:1}.ann-body strong{font-size:0.9rem;display:block;margin-bottom:0.15rem}.ann-body p{font-size:0.83rem;color:var(--text-muted);margin:0}.ann-close{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:0.8rem;padding:0.1rem 0.3rem;position:absolute;top:0.5rem;right:0.5rem}.bookmark-item{display:flex;align-items:center;gap:0.75rem;padding:0.65rem 0.9rem;border-radius:10px;border:1px solid var(--cream-3);background:var(--surface);cursor:pointer;transition:background 0.15s;margin-bottom:0.4rem}.bookmark-item:hover{background:var(--cream-2)}.bm-icon{font-size:1.1rem;flex-shrink:0}.bm-body{flex:1;display:flex;flex-direction:column;gap:0.1rem}.bm-course{font-size:0.75rem;color:var(--accent);font-weight:600}.bm-lesson{font-size:0.88rem;font-weight:500;color:var(--brown-dark)}.bm-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:0.8rem;padding:0.2rem 0.4rem}.bookmark-btn.active{background:var(--accent);color:white;border-color:var(--accent)}.review-write-wrap{margin-bottom:1rem}.review-write-wrap textarea{width:100%;padding:0.6rem 0.8rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:0.88rem;resize:vertical;margin-bottom:0.5rem}.review-card{padding:0.85rem 0;border-bottom:1px solid var(--cream-3)}.review-header{display:flex;align-items:center;gap:0.65rem;margin-bottom:0.4rem}.review-avatar{width:32px;height:32px;border-radius:50%;background:var(--cream-3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.85rem;overflow:hidden;flex-shrink:0}.review-avatar img{width:100%;height:100%;object-fit:cover}.review-name{font-size:0.88rem;font-weight:600}.review-stars{font-size:0.78rem;color:#f59e0b}.review-date{margin-left:auto;font-size:0.75rem;color:var(--text-muted)}.review-text{font-size:0.85rem;color:var(--text-secondary);margin:0}.watch-history-list{display:flex;flex-direction:column;gap:0.3rem}.wh-item{display:flex;align-items:center;gap:0.65rem;padding:0.6rem 0.75rem;border-radius:10px;cursor:pointer;transition:background 0.12s}.wh-item:hover{background:var(--cream-2)}.wh-icon{font-size:0.9rem;flex-shrink:0}.wh-body{flex:1}.wh-title{font-size:0.88rem;font-weight:500;color:var(--text-primary)}.wh-course{font-size:0.75rem;color:var(--text-muted)}.wh-time{font-size:0.75rem;color:var(--text-muted);white-space:nowrap}.progress-courses-header{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted);grid-column:1 / -1;padding:0.25rem 0}.progress-courses-header.mt{margin-top:0.75rem}.card-pct-badge{position:absolute;bottom:0.4rem;right:0.4rem;font-size:0.68rem;font-weight:800;padding:0.15rem 0.45rem;border-radius:999px;color:#fff}.user-rating-section{display:flex;align-items:center;gap:0.5rem;margin-top:0.75rem}.user-rating-label{font-size:0.82rem;color:var(--text-muted)}.user-rating-stars{display:flex;gap:0.1rem}.ur-star{font-size:1.4rem;cursor:pointer;color:#d1d5db;transition:color 0.15s}.ur-star:hover,.ur-star.active{color:#f59e0b}.user-rating-stars:hover .ur-star{color:#f59e0b}.user-rating-stars .ur-star:hover~.ur-star{color:#d1d5db}.page-subtitle{color:var(--text-muted);font-size:0.87rem;margin-top:-0.35rem;margin-bottom:1.5rem}.leaderboard-list{display:flex;flex-direction:column;gap:0.5rem;max-width:680px}.lb-row{display:flex;align-items:center;gap:0.75rem;background:var(--surface);border:1px solid var(--cream-3);border-radius:12px;padding:0.75rem 1rem;transition:background 0.15s}.lb-row:hover{background:var(--cream-2)}.lb-me{border-color:var(--accent);background:#fff5f0}.lb-rank{font-size:1.1rem;min-width:2.2rem;text-align:center;font-weight:700}.lb-avatar{width:36px;height:36px;border-radius:50%;background:var(--cream-3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;overflow:hidden;flex-shrink:0}.lb-avatar img{width:100%;height:100%;object-fit:cover}.lb-name{flex:1;font-weight:600;font-size:0.95rem}.lb-name em{font-style:normal;font-size:0.8rem;color:var(--accent);font-weight:500}.lb-streak{font-size:0.85rem;color:var(--text-muted);min-width:3rem;text-align:right}.lb-xp{font-size:0.9rem;font-weight:700;color:var(--accent);min-width:5rem;text-align:right}.lb-your-rank{text-align:center;padding:0.75rem;color:var(--text-muted);font-size:0.9rem}@keyframes shimmer{0%{background-position:-400px 0}100%{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,var(--cream-2) 25%,var(--cream) 50%,var(--cream-2) 75%);background-size:800px 100%;animation:shimmer 1.4s infinite linear;border-radius:6px}.skeleton-card{background:white;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.skeleton-thumb{height:140px}.skeleton-body{padding:1rem;display:flex;flex-direction:column;gap:0.6rem}.skeleton-line{height:14px}.skeleton-line.short{width:60%}.skeleton-line.xshort{width:40%}.skeleton-dash{height:28px;border-radius:var(--radius-sm);margin-top:0.5rem}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideIn{from{transform:translateX(100px);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@media (min-width:1024px){.app-header{margin-left:0;z-index:95}#main-content{margin-left:0;padding-bottom:0;padding-right:0}.app-header .logo{display:flex}.app-nav{position:fixed;right:0;top:0;bottom:0;left:auto;width:200px;flex-direction:column;align-items:stretch;border-top:none;border-left:1px solid var(--border);padding:0 0 1.5rem;background:var(--cream);z-index:90;overflow-y:auto;overflow-x:hidden;transform:translateX(calc(100% - 28px));transition:transform 0.22s cubic-bezier(0.4,0,0.2,1),box-shadow 0.22s}.app-nav::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:28px;height:28px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' fill='none' stroke='%23A07850' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpolyline points='15 18 9 12 15 6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;pointer-events:none;transition:opacity 0.15s;z-index:1}.app-nav:hover{transform:translateX(0);box-shadow:-4px 0 24px rgba(61,32,16,0.12)}.app-nav:hover::before{opacity:0}.app-nav .sidebar-label,.app-nav .nav-item{opacity:0;pointer-events:none;transition:opacity 0.15s 0s}.app-nav:hover .sidebar-label,.app-nav:hover .nav-item{opacity:1;pointer-events:auto;transition:opacity 0.18s 0.1s}.sidebar-label{display:flex;align-items:center;gap:0.55rem;padding:1.1rem 1.25rem;font-size:1rem;font-weight:700;color:var(--brown-dark);letter-spacing:-0.2px;border-bottom:1px solid var(--border);margin-bottom:0.5rem;white-space:nowrap}.sidebar-label::before{content:'';display:inline-block;width:22px;height:22px;background:var(--brown-dark);border-radius:5px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath d='M7 24L16 9L25 24' stroke='%23FAF6EF' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M11 18H21' stroke='%23D4845A' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E");background-size:100%;flex-shrink:0}.nav-item{flex-direction:row;justify-content:flex-start;padding:0.7rem 1.25rem;gap:0.75rem;font-size:0.875rem;font-weight:500;color:var(--text-secondary);border-radius:0;border-right:3px solid transparent;transition:background 0.15s,color 0.15s,border-color 0.15s;white-space:nowrap}.nav-item:hover{background:var(--cream-2);color:var(--brown-dark)}.nav-item.active{color:var(--brown-dark);background:var(--cream-3);border-right-color:var(--accent);font-weight:600}}[data-theme="dark"] .app-nav{background:var(--bg-card);border-color:var(--border)}.dropdown-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:0.65rem 1rem;font-size:0.9rem;color:var(--text-secondary)}.dts-switch{position:relative;display:inline-flex;align-items:center;cursor:pointer}.dts-switch input{opacity:0;width:0;height:0;position:absolute}.dts-track{display:block;width:34px;height:19px;background:var(--border);border-radius:9999px;transition:background 0.2s}.dts-switch input:checked+.dts-track{background:var(--accent)}.dts-track::after{content:'';position:absolute;width:15px;height:15px;border-radius:50%;background:white;top:2px;left:2px;transition:transform 0.2s}.dts-switch input:checked~.dts-track::after{transform:translateX(15px)}.dts-label{display:flex;align-items:center;gap:0.5rem}.dts-label svg{opacity:0.7}@media (min-width:640px){.course-grid{grid-template-columns:repeat(2,1fr)}.detail-header{flex-direction:row}.page-inner{padding:2rem 1.75rem}}@media (min-width:768px){.course-grid{grid-template-columns:repeat(3,1fr)}.page-inner{padding:2rem}.overlay-content{border-radius:var(--radius);max-height:85vh}.overlay{align-items:center}}@media (min-width:1024px){.course-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:639px){.detail-header{flex-direction:column}.detail-thumb{width:100%;height:180px}.stats-grid{grid-template-columns:repeat(3,1fr);gap:0.5rem}.stat-card{padding:0.75rem}.stat-value{font-size:1.25rem}.notes-input-row{flex-direction:column}.player-actions{flex-direction:column}.player-toc{display:none !important}}.hamburger-btn{display:none}@media (min-width:640px) and (max-width:1023px){.hamburger-btn{display:flex}.app-nav{position:fixed;top:0;left:0;bottom:0;width:220px;z-index:200;flex-direction:column;align-items:stretch;border-top:none;border-right:1px solid var(--border);background:var(--cream);transform:translateX(-100%);transition:transform .25s ease,box-shadow .25s;padding:1rem 0 2rem;overflow-y:auto}.app-nav.mobile-open{transform:translateX(0);box-shadow:4px 0 24px rgba(61,32,16,.15)}.mobile-nav-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:199}.mobile-nav-backdrop.visible{display:block}.app-nav .nav-item{flex-direction:row;gap:.75rem;padding:.75rem 1.25rem;font-size:.9rem;justify-content:flex-start}.app-nav .sidebar-label{padding:.5rem 1.25rem 0;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}}.logo-mark-app{width:26px;height:26px;border-radius:5px;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center}.player-layout{display:flex;align-items:flex-start;gap:0;max-width:1200px;margin:0 auto}.player-layout.toc-open .player-main{flex:1;min-width:0}.player-main{flex:1;min-width:0;padding:1rem}.player-toc{width:280px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);height:100%;min-height:60vh;overflow-y:auto;order:-1;position:sticky;top:0;max-height:100vh}.player-toc.toc-hidden{display:none}.toc-header{display:flex;align-items:center;justify-content:space-between;padding:0.75rem 1rem;border-bottom:1px solid var(--border);font-weight:600;font-size:0.85rem;color:var(--text-secondary);position:sticky;top:0;background:var(--surface);z-index:1}.toc-body{padding:0.5rem 0}.toc-section{margin-bottom:0.25rem}.toc-section-title{padding:0.5rem 1rem;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-muted)}.toc-lesson{display:flex;align-items:center;gap:0.5rem;width:100%;text-align:left;padding:0.45rem 1rem;background:none;border:none;cursor:pointer;font-size:0.82rem;color:var(--text-primary);transition:background 0.15s;line-height:1.3}.toc-lesson:hover{background:var(--cream-2)}.toc-lesson.toc-active{background:var(--cream-3);font-weight:600;color:var(--accent)}.toc-lesson-icon{font-size:0.7rem;color:var(--text-muted);flex-shrink:0}.toc-lesson.toc-active .toc-lesson-icon{color:var(--accent)}.toc-lesson-title{flex:1}.toc-lesson-dur{font-size:0.72rem;color:var(--text-muted);flex-shrink:0}.transcript-section{margin-top:1rem;padding:1rem;background:var(--cream-2);border-radius:var(--radius)}.transcript-body{font-size:0.88rem;line-height:1.7;color:var(--text-secondary)}.settings-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem}.settings-section-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem}.settings-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:0.5rem 0;border-bottom:1px solid var(--cream-3);cursor:pointer;font-size:0.9rem}.settings-toggle-row:last-child{border-bottom:none}.settings-toggle-row input[type="checkbox"]{width:36px;height:20px;appearance:none;background:var(--cream-3);border-radius:10px;position:relative;cursor:pointer;transition:background 0.2s}.settings-toggle-row input[type="checkbox"]:checked{background:var(--accent)}.settings-toggle-row input[type="checkbox"]::after{content:'';position:absolute;width:16px;height:16px;background:white;border-radius:50%;top:2px;left:2px;transition:left 0.2s}.settings-toggle-row input[type="checkbox"]:checked::after{left:18px}.wishlist-item{display:flex;align-items:center;gap:0.75rem;padding:0.65rem;border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:0.5rem;cursor:pointer;transition:background 0.15s}.wishlist-item:hover{background:var(--cream-2)}.wl-thumb{width:56px;height:40px;border-radius:4px;object-fit:cover;flex-shrink:0}.wl-thumb-placeholder{width:56px;height:40px;background:var(--cream-3);border-radius:4px;flex-shrink:0}.wl-body{flex:1;min-width:0}.wl-title{display:block;font-weight:600;font-size:0.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wl-cat{display:block;font-size:0.75rem}.wl-remove{flex-shrink:0;color:var(--text-muted)}.wishlist-btn.active{color:var(--accent);border-color:var(--accent)}.xp-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(0.5);background:var(--accent);color:white;font-size:2rem;font-weight:800;padding:0.75rem 2rem;border-radius:100px;z-index:9999;pointer-events:none;opacity:0;transition:none}.xp-toast.xp-toast-show{animation:xpPop 0.4s ease-out forwards}.xp-toast.xp-toast-hide{animation:xpFade 0.5s ease-in forwards}@keyframes xpPop{0%{transform:translate(-50%,-50%) scale(0.4);opacity:0}60%{transform:translate(-50%,-50%) scale(1.1);opacity:1}100%{transform:translate(-50%,-60%) scale(1);opacity:1}}@keyframes xpFade{0%{transform:translate(-50%,-60%) scale(1);opacity:1}100%{transform:translate(-50%,-80%) scale(0.9);opacity:0}}.search-modal{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:9000;display:flex;align-items:flex-start;justify-content:center;padding-top:12vh;backdrop-filter:blur(4px)}.search-modal-inner{width:100%;max-width:560px;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,0.25);border:1px solid var(--border)}.search-modal-bar{display:flex;align-items:center;gap:0.75rem;padding:0.9rem 1rem;border-bottom:1px solid var(--border)}.search-modal-bar input{flex:1;border:none;outline:none;font-size:1rem;background:transparent;color:var(--text-primary)}.search-modal-close{font-size:0.72rem;color:var(--text-muted);background:var(--cream-2);border:1px solid var(--border);border-radius:4px;padding:2px 6px;cursor:pointer}.search-modal-results{max-height:360px;overflow-y:auto}.sd-empty,.sd-loading{padding:1rem;text-align:center;color:var(--text-muted);font-size:0.88rem}.purchase-modal{position:fixed;inset:0;background:rgba(15,8,4,0.6);z-index:8500;display:flex;align-items:center;justify-content:center;padding:1rem;backdrop-filter:blur(6px)}.purchase-modal-card{width:100%;max-width:460px;background:var(--cream);border-radius:20px;overflow:hidden;box-shadow:0 32px 80px rgba(0,0,0,0.28),0 0 0 1px rgba(255,255,255,0.06);transform:scale(0.92) translateY(24px);opacity:0;transition:none;max-height:90vh;overflow-y:auto}.purchase-card-enter{animation:pmCardIn 0.36s cubic-bezier(0.34,1.4,0.64,1) forwards}.purchase-card-exit{animation:pmCardOut 0.28s ease-in forwards}@keyframes pmCardIn{from{transform:scale(0.92) translateY(24px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}@keyframes pmCardOut{from{transform:scale(1) translateY(0);opacity:1}to{transform:scale(0.94) translateY(16px);opacity:0}}.purchase-close{position:absolute;top:1rem;right:1rem;width:32px;height:32px;background:rgba(255,255,255,0.75);border:none;border-radius:50%;font-size:1.1rem;cursor:pointer;z-index:2;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:background 0.15s}.purchase-close:hover{background:white}#purchase-form-view{position:relative}.purchase-course-hero{display:flex;gap:1rem;align-items:flex-start;padding:1.5rem 1.5rem 0}.purchase-course-thumb-wrap{position:relative;flex-shrink:0}.purchase-course-thumb{width:88px;height:64px;border-radius:10px;object-fit:cover;background:var(--cream-3);display:block}.purchase-price-badge{position:absolute;bottom:-8px;right:-8px;background:var(--accent);color:white;font-size:0.78rem;font-weight:800;padding:2px 8px;border-radius:100px;letter-spacing:0.02em;box-shadow:0 2px 8px rgba(212,132,90,0.45)}.purchase-course-meta{flex:1;min-width:0}.purchase-cat{display:block;font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:0.07em;color:var(--text-muted);margin-bottom:0.25rem}.purchase-title{font-size:1rem;font-weight:700;color:var(--text-primary);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.purchase-perks{list-style:none;margin:1.2rem 1.5rem;padding:1rem 1.1rem;background:var(--cream-2);border-radius:12px;display:grid;gap:0.45rem}.purchase-perks li{display:flex;align-items:center;gap:0.6rem;font-size:0.85rem;color:var(--text-secondary)}.perk-check{width:18px;height:18px;background:#d1f5e3;color:#2a8a5a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.65rem;font-weight:700;flex-shrink:0}.purchase-divider{display:flex;align-items:center;gap:0.75rem;margin:0 1.5rem 1rem;font-size:0.75rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:0.06em}.purchase-divider::before,.purchase-divider::after{content:'';flex:1;height:1px;background:var(--border)}.purchase-form{padding:0 1.5rem 1.5rem;display:grid;gap:0.75rem}.pf-group{display:flex;flex-direction:column;gap:0.3rem}.pf-row{display:grid;grid-template-columns:1fr 1fr;gap:0.75rem}.pf-label{font-size:0.75rem;font-weight:600;color:var(--text-secondary)}.pf-input-wrap{position:relative}.pf-input{width:100%;padding:0.7rem 0.85rem;border:1.5px solid var(--border);border-radius:10px;background:var(--surface,white);color:var(--text-primary);font-size:0.9rem;font-family:inherit;transition:border-color 0.15s,box-shadow 0.15s;outline:none}.pf-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,132,90,0.15)}.pf-input-wrap .pf-input{padding-left:2.4rem}.pf-icon{position:absolute;left:0.7rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.pf-icon-right{left:auto;right:0.7rem}.pf-input-wrap:has(.pf-icon-right) .pf-input{padding-left:0.85rem;padding-right:2.4rem}.pf-error{font-size:0.8rem;color:#e03e3e;background:#fff0f0;border-radius:8px;padding:0.5rem 0.75rem}.purchase-pay-btn{width:100%;padding:0.85rem;background:var(--brown-dark);color:white;border:none;border-radius:12px;cursor:pointer;font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:0.6rem;transition:background 0.18s,transform 0.1s,box-shadow 0.18s;box-shadow:0 4px 16px rgba(61,32,16,0.3);letter-spacing:0.01em}.purchase-pay-btn:hover:not(:disabled){background:#2a1008;box-shadow:0 6px 24px rgba(61,32,16,0.38);transform:translateY(-1px)}.purchase-pay-btn:active:not(:disabled){transform:translateY(0)}.purchase-pay-btn:disabled{opacity:0.7;cursor:not-allowed}.purchase-pay-btn.purchase-btn-loading{background:var(--brown)}.purchase-spinner{width:18px;height:18px;animation:spin 0.7s linear infinite;stroke:rgba(255,255,255,0.9)}@keyframes spin{to{transform:rotate(360deg)}}.purchase-trust{display:flex;align-items:center;justify-content:center;gap:0.35rem;font-size:0.75rem;color:var(--text-muted);margin-top:-0.25rem}.paid-badge{display:inline-flex;align-items:center;background:var(--brown-dark);color:white;font-size:0.68rem;font-weight:700;padding:2px 7px;border-radius:100px;letter-spacing:0.02em}.btn-buy{background:var(--brown-dark);color:white;border-color:var(--brown-dark)}.btn-buy:hover{background:#2a1008;border-color:#2a1008;color:white}.purchase-success{position:relative;display:flex;flex-direction:column;align-items:center;padding:3.5rem 2rem 3rem;text-align:center;overflow:hidden}.ps-rings{position:absolute;top:50%;left:50%;transform:translate(-50%,-60%);pointer-events:none}.ps-ring{position:absolute;border-radius:50%;border:1.5px solid var(--accent);transform:translate(-50%,-50%);opacity:0}.ps-ring-1{width:80px;height:80px}.ps-ring-2{width:130px;height:130px}.ps-ring-3{width:190px;height:190px}.ps-animate .ps-ring-1{animation:ringPulse 1.6s 0.2s ease-out forwards}.ps-animate .ps-ring-2{animation:ringPulse 1.6s 0.45s ease-out forwards}.ps-animate .ps-ring-3{animation:ringPulse 1.6s 0.7s ease-out forwards}@keyframes ringPulse{0%{transform:translate(-50%,-50%) scale(0.5);opacity:0.7}100%{transform:translate(-50%,-50%) scale(1.4);opacity:0}}.ps-check-wrap{position:relative;z-index:1;margin-bottom:1.5rem}.ps-check{width:72px;height:72px;color:var(--accent)}.ps-circle{stroke-dasharray:157;stroke-dashoffset:157;stroke-linecap:round;transition:none}.ps-tick{stroke-dasharray:36;stroke-dashoffset:36;stroke-linecap:round;transition:none}.ps-animate .ps-circle{animation:drawCircle 0.55s 0.1s cubic-bezier(0.65,0,0.35,1) forwards}.ps-animate .ps-tick{animation:drawTick 0.35s 0.6s cubic-bezier(0.65,0,0.35,1) forwards}@keyframes drawCircle{to{stroke-dashoffset:0}}@keyframes drawTick{to{stroke-dashoffset:0}}.ps-title{font-size:1.4rem;font-weight:800;color:var(--text-primary);margin-bottom:0.35rem;opacity:0;transform:translateY(8px)}.ps-sub{font-size:0.9rem;color:var(--text-secondary);margin-bottom:0.5rem;opacity:0;transform:translateY(8px)}.ps-receipt{font-size:0.78rem;color:var(--text-muted);margin-bottom:1.8rem;opacity:0;transform:translateY(8px)}.ps-animate .ps-title{animation:fadeUp 0.4s 0.85s ease-out forwards}.ps-animate .ps-sub{animation:fadeUp 0.4s 1.0s ease-out forwards}.ps-animate .ps-receipt{animation:fadeUp 0.4s 1.15s ease-out forwards}.ps-animate .ps-cta{animation:fadeUp 0.4s 1.3s ease-out forwards}@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.ps-cta{opacity:0;display:flex;align-items:center;gap:0.5rem}[data-theme="dark"] .purchase-modal-card,[data-theme="dark"] .purchase-perks{background:var(--bg-card)}[data-theme="dark"] .purchase-perks{background:var(--cream-3)}[data-theme="dark"] .pf-input{background:var(--cream-2)}[data-theme="dark"] .purchase-close{background:rgba(60,40,30,0.8);color:var(--text-primary)}.card-category-row{display:flex;align-items:center;gap:0.4rem;flex-wrap:wrap;margin-bottom:0.25rem}.diff-badge{font-size:0.65rem;font-weight:700;letter-spacing:0.04em;padding:0.15rem 0.5rem;border-radius:4px;text-transform:capitalize}.diff-beginner{background:#dcfce7;color:#166534}.diff-intermediate{background:#fef9c3;color:#854d0e}.diff-advanced{background:#fee2e2;color:#991b1b}[data-theme="dark"] .diff-beginner{background:rgba(16,185,129,0.15);color:#6ee7b7}[data-theme="dark"] .diff-intermediate{background:rgba(245,158,11,0.15);color:#fcd34d}[data-theme="dark"] .diff-advanced{background:rgba(239,68,68,0.15);color:#fca5a5}.toolbar-right{display:flex;gap:0.5rem;flex-shrink:0}.resources-section{margin-top:1.5rem}.resources-list{display:flex;flex-direction:column;gap:0.4rem;margin-top:0.75rem}.resource-item{display:flex;align-items:center;gap:0.6rem;padding:0.6rem 0.9rem;background:var(--cream-2);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);text-decoration:none;font-size:0.88rem;transition:background 0.15s}.resource-item:hover{background:var(--cream-3)}.resource-icon{font-size:1.1rem}.resource-title{flex:1}.resource-dl{opacity:0.45;flex-shrink:0}.qa-section{margin-top:1.75rem}.qa-ask{display:flex;flex-direction:column;gap:0.5rem;margin-top:0.75rem;margin-bottom:1rem}.qa-ask textarea{width:100%;padding:0.6rem 0.75rem;border:1px solid var(--border);border-radius:8px;background:var(--cream-2);color:var(--text-primary);font-size:0.875rem;resize:vertical}.qa-list{display:flex;flex-direction:column;gap:1rem}.qa-loading,.qa-empty{color:var(--text-muted);font-size:0.875rem;padding:0.5rem 0}.qa-item{border:1px solid var(--border);border-radius:10px;overflow:hidden}.qa-question{padding:0.9rem 1rem;background:var(--cream-2)}.qa-meta{display:flex;gap:0.75rem;align-items:center;margin-bottom:0.35rem}.qa-author{font-size:0.8rem;font-weight:600;color:var(--brown-dark)}.qa-time{font-size:0.75rem;color:var(--text-muted)}.qa-text{font-size:0.875rem;color:var(--text-primary);margin:0 0 0.4rem}.qa-reply-btn{font-size:0.78rem;color:var(--accent)}.qa-answers{border-top:1px solid var(--border);padding:0.6rem 1rem;display:flex;flex-direction:column;gap:0.5rem}.qa-answer{padding:0.5rem 0.75rem;border-radius:6px;background:white;border:1px solid var(--border)}.qa-staff{background:rgba(212,132,90,0.07);border-color:rgba(212,132,90,0.25)}.qa-staff-badge{font-size:0.65rem;background:var(--accent);color:white;padding:0.1rem 0.35rem;border-radius:3px;margin-left:0.3rem;vertical-align:middle}.qa-reply-box{padding:0.75rem 1rem;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:0.5rem}.qa-reply-input{width:100%;padding:0.5rem 0.75rem;border:1px solid var(--border);border-radius:6px;background:var(--cream-2);color:var(--text-primary);font-size:0.875rem;resize:vertical}[data-theme="dark"] .qa-answer{background:var(--bg-card)}[data-theme="dark"] .qa-question{background:var(--cream-3)}.pf-coupon-toggle{margin-bottom:0.25rem}.pf-coupon-toggle-btn{background:none;border:none;padding:0;font-size:0.85rem;color:var(--accent);cursor:pointer;display:inline-flex;align-items:center;gap:0.3rem;font-family:inherit}.pf-coupon-toggle-btn:hover{text-decoration:underline}.pf-coupon-arrow{transition:transform 0.2s;flex-shrink:0}.pf-coupon-row{display:flex;gap:0.5rem;align-items:center;margin-bottom:0.25rem;margin-top:0.4rem}.pf-coupon-row .pf-input{flex:1}.pf-coupon-msg{font-size:0.82rem;margin-bottom:0.5rem}.new-badge{position:absolute;top:8px;right:8px;background:#10b981;color:#fff;font-size:.65rem;font-weight:800;letter-spacing:.06em;padding:.15rem .45rem;border-radius:4px;text-transform:uppercase}.free-badge-card{background:rgba(16,185,129,.12);color:#059669;font-size:.72rem;font-weight:700;padding:.15rem .45rem;border-radius:4px}.dash-widgets{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}@media(max-width:600px){.dash-widgets{grid-template-columns:1fr}}.dash-widget{background:var(--cream-2);border:1px solid var(--border);border-radius:12px;padding:1rem 1.2rem}.widget-title{font-size:.9rem;font-weight:700;color:var(--brown-dark);margin-bottom:.75rem}.weekly-stats{display:flex;gap:.75rem}.weekly-stat{flex:1;text-align:center}.weekly-stat-val{display:block;font-size:1.6rem;font-weight:800;color:var(--brown-dark)}.weekly-stat-label{font-size:.72rem;color:var(--text-muted)}.dash-lb-list{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.6rem}.dash-lb-item{display:flex;align-items:center;gap:.5rem;font-size:.85rem;padding:.25rem .4rem;border-radius:6px}.dash-lb-item.is-me{background:rgba(212,132,90,.1);font-weight:600}.dash-lb-rank{font-size:1rem;width:1.4rem;text-align:center;flex-shrink:0}.dash-lb-name{flex:1;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dash-lb-xp{font-size:.78rem;color:var(--accent);font-weight:600}.btn-link{background:none;border:none;color:var(--accent);font-size:.8rem;cursor:pointer;padding:0;text-decoration:underline}.quiz-progress-wrap{height:4px;background:var(--cream-3);border-radius:2px;overflow:hidden}.quiz-progress-bar{height:100%;background:var(--accent);border-radius:2px;transition:width .3s}.notif-icon{font-size:1.3rem;flex-shrink:0;margin-right:.1rem}.notif-item{display:flex;align-items:flex-start;gap:.6rem;padding:.7rem 1rem;cursor:pointer}.notif-item:hover{background:var(--bg-hover)}.notif-item.unread{background:rgba(212,132,90,.07)}.heatmap-wrap{overflow-x:auto}.hm-months{display:flex;padding-left:2rem;margin-bottom:.2rem}.hm-day-spacer{width:0}.hm-month-cell{flex:0 0 14px;font-size:.65rem;color:var(--text-muted);overflow:visible;white-space:nowrap}.hm-grid{display:flex;gap:.25rem}.hm-days{display:flex;flex-direction:column;gap:2px;margin-right:.25rem}.hm-day-label{font-size:.62rem;color:var(--text-muted);height:12px;line-height:12px}.hm-weeks{display:flex;gap:2px}.hm-week{display:flex;flex-direction:column;gap:2px}.hm-cell{width:12px;height:12px;border-radius:2px}.hm-empty{background:transparent}.hm-none{background:var(--cream-3)}.hm-low{background:#bbf7d0}.hm-med{background:#4ade80}.hm-high{background:#16a34a}[data-theme="dark"] .hm-none{background:var(--bg-card)}[data-theme="dark"] .hm-low{background:#14532d}[data-theme="dark"] .hm-med{background:#166534}[data-theme="dark"] .hm-high{background:#15803d}.hm-legend{display:flex;align-items:center;gap:3px;font-size:.68rem;color:var(--text-muted);margin-top:.5rem;justify-content:flex-end}.badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:.75rem}.badge-showcase-item{text-align:center;padding:.75rem .5rem;border-radius:10px;border:1.5px solid var(--border);position:relative;transition:.2s}.badge-showcase-item.earned{border-color:var(--accent);background:rgba(212,132,90,.07)}.badge-showcase-item.locked{opacity:.45;filter:grayscale(.7)}.badge-showcase-item:hover{transform:translateY(-2px)}.badge-showcase-icon{font-size:1.6rem;margin-bottom:.3rem}.badge-showcase-label{font-size:.68rem;color:var(--text-primary);line-height:1.2}.badge-earned-check{position:absolute;top:4px;right:5px;font-size:.62rem;color:var(--accent);font-weight:800}.bm-play{background:var(--accent);color:#fff;border:none;border-radius:50%;width:26px;height:26px;font-size:.7rem;cursor:pointer;flex-shrink:0}.badge-toast{position:fixed;bottom:5.5rem;right:1.5rem;background:var(--bg-card);border:2px solid var(--accent);border-radius:14px;padding:.75rem 1.1rem;display:flex;align-items:center;gap:.75rem;box-shadow:0 6px 24px rgba(0,0,0,.18);z-index:9999;transform:translateY(20px);opacity:0;transition:transform .35s ease,opacity .35s ease;pointer-events:none}.badge-toast-in{transform:translateY(0);opacity:1}.badge-toast-out{transform:translateY(20px);opacity:0}.badge-toast-icon{font-size:2rem;flex-shrink:0}.badge-toast-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700}.badge-toast-name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.comments-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.comment-compose{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.25rem}.comment-compose textarea{width:100%;padding:.6rem .8rem;border:1.5px solid var(--border);border-radius:8px;background:var(--bg-card);color:var(--text-primary);font-size:.9rem;resize:vertical}.comment-compose textarea:focus{outline:none;border-color:var(--accent)}.comment-compose .btn{align-self:flex-end}.comments-list{display:flex;flex-direction:column;gap:1rem}.cmt-loading,.cmt-empty{font-size:.88rem;color:var(--text-muted);padding:.5rem 0}.cmt-item{display:flex;gap:.75rem}.cmt-reply{margin-left:2.8rem;padding-top:.5rem}.cmt-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0}.cmt-body{flex:1;min-width:0}.cmt-meta{display:flex;align-items:baseline;gap:.5rem;margin-bottom:.25rem}.cmt-author{font-weight:600;font-size:.85rem;color:var(--text-primary)}.cmt-time{font-size:.75rem;color:var(--text-muted)}.cmt-text{font-size:.88rem;color:var(--text-primary);line-height:1.5;margin:0 0 .4rem;word-break:break-word}.cmt-actions{display:flex;align-items:center;gap:.75rem}.cmt-act-btn,.cmt-like-btn,.cmt-delete{background:none;border:none;font-size:.78rem;color:var(--text-muted);cursor:pointer;padding:0}.cmt-like-btn{display:flex;align-items:center;gap:.2rem}.cmt-like-btn:hover,.cmt-act-btn:hover{color:var(--accent)}.cmt-delete:hover{color:var(--danger,#ef4444)}.cmt-replies{display:flex;flex-direction:column;gap:.75rem;margin-top:.5rem}.cmt-reply-box{margin-top:.5rem;display:flex;flex-direction:column;gap:.4rem}.cmt-reply-input{width:100%;padding:.45rem .7rem;border:1.5px solid var(--border);border-radius:8px;background:var(--bg-card);color:var(--text-primary);font-size:.85rem;resize:vertical}.cmt-reply-input:focus{outline:none;border-color:var(--accent)}.cmt-reply-box .btn{align-self:flex-end}.app-footer{background:var(--cream-2);border-top:1px solid var(--border);padding:2rem 1.25rem 1.5rem;margin-top:3rem}.footer-inner{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}.footer-brand{display:flex;flex-direction:column;gap:0.25rem}.footer-logo{font-weight:700;font-size:1.1rem;color:var(--text-primary)}.footer-tagline{font-size:0.82rem;color:var(--text-muted)}.footer-links{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}.footer-links a{font-size:0.85rem;color:var(--text-secondary);text-decoration:none}.footer-links a:hover{color:var(--accent);text-decoration:underline}.footer-copy{font-size:0.78rem;color:var(--text-muted);margin:0}.verify-banner{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;background:#fef3c7;border-bottom:1px solid #fcd34d;padding:.6rem 1.25rem;font-size:.85rem;color:#92400e;position:sticky;top:0;z-index:900}.verify-banner span{flex:1;min-width:0}.verify-banner-resend{background:#D4845A;color:#fff;border:none;padding:.3rem .9rem;border-radius:6px;cursor:pointer;font-size:.82rem;font-weight:600;white-space:nowrap}.verify-banner-resend:hover{background:#c0733d}.verify-banner-close{background:none;border:none;cursor:pointer;font-size:1rem;color:#92400e;padding:0 .25rem;line-height:1}