*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #5B4FE9;--primary-light: #EEF2FF;--primary-dark: #4338CA;--bg: #F5F6FB;--bg2: #FFFFFF;--bg3: #F3F4F6;--bg4: #E5E7EB;--border: #E5E7EB;--border-light: #F3F4F6;--text: #111827;--text-2: #6B7280;--text-3: #9CA3AF;--sidebar-w: 220px;--radius: 10px;--radius-lg: 14px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--grad: linear-gradient(135deg,#5B4FE9,#8B5CF6);--font-heading: "Fraunces", Georgia, serif}.font-heading{font-family:var(--font-heading)}.sb-page{max-width:960px;margin:0 auto;padding:32px 24px;display:flex;flex-direction:column;gap:24px}.sb-hero{background:linear-gradient(135deg,#5b4fe91a,#8b5cf60d 60%,#5b4fe908);border:1px solid rgba(91,79,233,.1);border-radius:24px;padding:40px;display:flex;align-items:center;gap:32px}.sb-hero-text h1{font-family:var(--font-heading);font-size:36px;font-weight:700;line-height:1.15;color:var(--text);margin-bottom:10px}.sb-hero-text p{font-size:16px;color:var(--text-2);margin-bottom:24px}.sb-hero-btns{display:flex;gap:12px;flex-wrap:wrap}.sb-hero-img{flex-shrink:0;width:200px;height:200px;border-radius:16px;object-fit:cover}.sb-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.sb-stat{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:20px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow);transition:box-shadow .15s}.sb-stat:hover{box-shadow:var(--shadow-md)}.sb-stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.sb-stat-label{font-size:12px;color:var(--text-3);margin-bottom:3px}.sb-stat-val{font-family:var(--font-heading);font-size:26px;font-weight:700;color:var(--text);line-height:1}.sb-stat-unit{font-size:13px;font-weight:400;color:var(--text-2);margin-left:3px}.sb-charts{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sb-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.sb-card-title{font-family:var(--font-heading);font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px}.sb-sessions{background:var(--bg2);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.sb-sessions-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 12px}.sb-sessions-head h3{font-family:var(--font-heading);font-size:15px;font-weight:600;color:var(--text)}.sb-sess-row{display:flex;align-items:center;gap:16px;padding:14px 24px;border-top:1px solid var(--border-light);transition:background .1s}.sb-sess-row:hover{background:var(--bg3)}.sb-sess-icon{width:40px;height:40px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}.sb-sess-body{flex:1;min-width:0}.sb-sess-badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:2px 8px;border-radius:20px}.sb-sess-note{font-size:11px;color:var(--text-3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sb-sess-right{text-align:right;flex-shrink:0}.sb-sess-dur{font-size:13px;font-weight:600;color:var(--text-2);display:flex;align-items:center;gap:4px;justify-content:flex-end}.sb-sess-date{font-size:11px;color:var(--text-3);margin-top:2px}.sb-empty{text-align:center;padding:60px 20px}.sb-empty img{width:160px;height:160px;object-fit:cover;border-radius:16px;margin:0 auto 20px;display:block}.sb-empty h2{font-family:var(--font-heading);font-size:22px;font-weight:700;color:var(--text);margin-bottom:8px}.sb-empty p{font-size:14px;color:var(--text-2);margin-bottom:20px}@media (max-width:768px){.sb-page{padding:16px;gap:16px}.sb-hero{flex-direction:column;padding:24px}.sb-hero-img{width:120px;height:120px;align-self:flex-end}.sb-hero-text h1{font-size:26px}.sb-stats{grid-template-columns:repeat(2,1fr)}.sb-charts{grid-template-columns:1fr}}html,body,#root{height:100%;overflow:hidden;margin:0;padding:0}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;display:flex;min-height:100vh}#root{flex:1;display:flex;flex-direction:column}#app-wrap{flex:1;display:flex;flex-direction:row;height:100vh;width:100%;overflow:hidden}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;border:none;background:transparent;cursor:pointer;font-size:13.5px;font-weight:500;color:var(--text-2);text-align:left;width:100%;transition:all .15s;font-family:inherit}.sidebar-home-btn{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;border:none;background:transparent;cursor:pointer;font-size:13.5px;font-weight:500;color:var(--text-2);text-align:left;width:100%;transition:all .15s;font-family:inherit}.sidebar-home-btn:hover{background:var(--bg3);color:var(--text)}.sidebar-home-btn.active{background:var(--primary);color:#fff}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);height:100vh;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 12px 16px;overflow:hidden;flex-shrink:0;z-index:10}.app-content{flex:1;min-width:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}.main{flex:1;padding:28px 32px 40px;width:100%}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:0 4px 24px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-logo-icon{width:38px;height:38px;background:var(--grad);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.sidebar-logo-name{font-size:14px;font-weight:700;color:var(--text);line-height:1.2}.sidebar-logo-sub{font-size:11px;color:var(--text-3)}.sessions-timer-layout{display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:start}.sessions-timer-left{position:sticky;top:0}.sessions-timer-right{min-width:0}@media (max-width:900px){.sessions-timer-layout{grid-template-columns:1fr}.sessions-timer-left{position:static}}.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;border:none;background:transparent;cursor:pointer;font-size:13.5px;font-weight:500;color:var(--text-2);text-align:left;width:100%;transition:all .15s;font-family:inherit;text-decoration:none}.nav-item:hover{background:var(--bg3);color:var(--text)}.nav-item.active{background:var(--primary);color:#fff}.nav-item.active:hover{background:var(--primary-dark)}.nav-icon{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.sidebar-bottom{border-top:1px solid var(--border);padding-top:12px;margin-top:8px}.sidebar-user-email{font-size:11px;color:var(--text-3);padding:4px 12px 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-section-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);padding:16px 12px 6px}.sidebar-subjects{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}.subject-item{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;border:none;background:transparent;cursor:pointer;font-size:13px;font-weight:500;color:var(--text-2);text-align:left;width:100%;font-family:inherit;transition:all .15s}.subject-item:hover{background:var(--bg3);color:var(--text)}.subject-item.active{background:var(--primary-light);color:var(--primary)}.subject-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.subject-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.subject-badge{background:var(--bg3);color:var(--text-3);font-size:11px;font-weight:600;padding:1px 6px;border-radius:10px;flex-shrink:0}.subject-item.active .subject-badge{background:var(--primary);color:#fff;opacity:.7}.year-switcher-inline{display:inline-flex;background:var(--bg3);border-radius:8px;padding:3px;gap:2px}.year-btn-inline{padding:6px 16px;border-radius:6px;border:none;font-size:13px;font-weight:600;cursor:pointer;background:transparent;color:var(--text-2);font-family:inherit;transition:all .15s}.year-btn-inline.active{background:#fff;color:var(--primary);box-shadow:0 1px 3px #0000001a}.mobile-topbar{display:none;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg2)}.mobile-topbar-title{font-size:15px;font-weight:700;flex:1}.hamburger{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-2);padding:4px}.search-bar-wrap{position:relative;display:flex;align-items:center;padding:16px 32px 4px}.search-bar-wrap .search-icon{position:absolute;left:44px;color:var(--text-3);font-size:16px;pointer-events:none}.search-bar-wrap input{width:100%;max-width:520px;padding:9px 14px 9px 36px;border:1px solid var(--border);border-radius:9px;font-size:13px;font-family:inherit;background:var(--bg2);color:var(--text);outline:none;transition:border-color .15s}.search-bar-wrap input:focus{border-color:var(--primary)}#auth-wrap{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200}#auth-wrap.hidden{display:none}.auth-card{background:var(--bg2);border-radius:var(--radius-lg);padding:36px 32px;width:min(420px,90vw);box-shadow:var(--shadow-md)}.auth-logo{font-size:20px;font-weight:800;color:var(--primary);margin-bottom:4px}.auth-sub{font-size:13px;color:var(--text-3);margin-bottom:24px}.auth-field{margin-bottom:16px}.auth-label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}.auth-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--bg2);color:var(--text);outline:none;transition:border-color .15s}.auth-input:focus{border-color:var(--primary)}.auth-btn{width:100%;padding:11px;border:none;border-radius:8px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;margin-top:8px;transition:background .15s}.auth-btn:hover{background:var(--primary-dark)}.auth-error{background:#fee2e2;color:#991b1b;border-radius:7px;padding:8px 12px;font-size:13px;margin-bottom:14px;display:none}.auth-error.show{display:block}.pwd-wrap{position:relative;display:flex;align-items:center}.pwd-wrap .auth-input{padding-right:40px}.pwd-toggle{position:absolute;right:12px;background:none;border:none;cursor:pointer;color:var(--text-3);display:flex;padding:0}#loading-wrap{position:fixed;top:0;right:0;bottom:0;left:0;background:#fffc;display:flex;align-items:center;justify-content:center;z-index:250}#loading-wrap.hidden{display:none}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#pdf-viewer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:180;display:flex;flex-direction:column;background:#1a1a2e}#pdf-viewer-overlay.hidden{display:none}.pdf-viewer-bar{display:flex;align-items:center;gap:16px;background:#1a1a2e;padding:10px 20px;flex-shrink:0}.pdf-viewer-title{color:#fff;font-weight:600;flex:1;font-size:14px}.pdf-viewer-ext{color:#a5b4fc;font-size:13px}.pdf-viewer-close{background:#ffffff1a;border:none;color:#fff;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px;font-family:inherit}#pdf-viewer-loading{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#fff}#pdf-viewer-frame{flex:1;border:none}.dash-hero{background:linear-gradient(145deg,#eceffe,#f4f0ff 60%,#faf8ff);border-radius:var(--radius-lg);padding:40px 40px 40px 44px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid rgba(91,79,233,.08)}.dash-hero-img{flex-shrink:0;width:220px;height:170px;border-radius:14px;overflow:hidden}.dash-hero-img img{width:100%;height:100%;object-fit:cover}.dash-hero-content{flex:1;min-width:0}.dash-hello{font-size:30px;font-weight:800;color:var(--text);margin-bottom:10px;line-height:1.2}.dash-sub{font-size:14px;color:var(--text-2);margin-bottom:24px}.dash-hero-btns{display:flex;gap:12px;flex-wrap:wrap}.dash-btn-primary{background:var(--primary);color:#fff;border:none;padding:11px 24px;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s;display:flex;align-items:center;gap:6px}.dash-btn-primary:hover{background:var(--primary-dark)}.dash-btn-secondary{background:#fff;color:var(--text);border:1.5px solid var(--border);padding:11px 24px;border-radius:9px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .15s;box-shadow:0 1px 2px #0000000d}.dash-btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow)}.stat-icon-wrap{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.stat-lbl{font-size:11px;color:var(--text-3);margin-bottom:3px}.stat-val{font-size:22px;font-weight:700;color:var(--text);line-height:1}.stat-unit{font-size:13px;font-weight:400;color:var(--text-2)}.dash-charts-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.dash-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.dash-card-title{font-size:13px;font-weight:600;color:var(--text);margin-bottom:16px}.chart-wrap{position:relative;height:180px}.donut-legend{display:flex;flex-direction:column;gap:8px;margin-top:12px}.donut-legend-item{display:flex;align-items:center;gap:8px;font-size:12px}.donut-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.donut-name{flex:1;color:var(--text-2)}.donut-val{font-weight:600;color:var(--text)}.subj-bar-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}.subj-bar-name{font-size:12px;font-weight:500;min-width:82px;color:var(--text-2)}.subj-bar-track{flex:1;height:7px;background:var(--bg3);border-radius:4px;overflow:hidden}.subj-bar-fill{height:100%;border-radius:4px;transition:width .5s ease}.subj-bar-val{font-size:12px;font-weight:500;color:var(--text-2);min-width:34px;text-align:right}.sess-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border-light)}.sess-row:last-child{border-bottom:none}.sess-icon-wrap{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.sess-body{flex:1;min-width:0}.sess-title{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sess-meta{font-size:11px;color:var(--text-3);margin-top:1px}.sess-dur{font-size:12px;font-weight:600;color:var(--text-2);flex-shrink:0}.ch-status-summary{display:flex;flex-direction:column;gap:10px}.ch-stat-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}.ch-stat-dot{font-size:14px}.ch-stat-item strong{margin-left:auto;color:var(--text)}.subj-progress-bar{height:3px;background:var(--bg3);border-radius:2px;margin:8px 0 4px;overflow:hidden}.subj-progress-fill{height:100%;border-radius:2px;transition:width .3s}.timer-page{display:flex;flex-direction:column;align-items:center;padding-top:32px;gap:0}.timer-page-title{font-size:24px;font-weight:700;margin-bottom:6px}.timer-page-sub{font-size:14px;color:var(--text-3);margin-bottom:36px}.timer-ring-wrap{position:relative;width:220px;height:220px;margin-bottom:32px}.timer-ring-wrap svg{transform:rotate(-90deg)}.timer-track{fill:none;stroke:var(--bg3)}.timer-fill{fill:none;stroke:var(--primary);stroke-linecap:round;transition:stroke-dashoffset .9s linear}.timer-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.timer-time{font-size:42px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--text)}.timer-status{font-size:12px;color:var(--text-3);margin-top:4px}.timer-controls{display:flex;gap:12px;margin-bottom:32px}.timer-ctrl-btn{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--border);background:var(--bg2);cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:all .15s;box-shadow:var(--shadow)}.timer-ctrl-btn:hover{border-color:var(--primary);color:var(--primary)}.timer-ctrl-btn.play{background:var(--primary);border-color:var(--primary);color:#fff}.timer-ctrl-btn.play:hover{background:var(--primary-dark)}.timer-settings{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;width:100%;max-width:420px;box-shadow:var(--shadow)}.timer-settings-label{font-size:12px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}.timer-presets{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.timer-preset{padding:7px 16px;border:1.5px solid var(--border);background:var(--bg2);border-radius:7px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;color:var(--text-2);transition:all .15s}.timer-preset:hover{border-color:var(--primary);color:var(--primary)}.timer-preset.active{background:var(--primary);border-color:var(--primary);color:#fff}.timer-subject-sel{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit;background:var(--bg2);color:var(--text);outline:none;cursor:pointer}.sessions-page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.sessions-page-title{font-size:22px;font-weight:700}.sessions-count{font-size:14px;color:var(--text-3);margin-top:2px}.sessions-date-group{margin-bottom:24px}.sessions-date-label{font-size:13px;font-weight:600;color:var(--text-3);margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border)}.session-card{display:flex;align-items:center;gap:14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:8px;box-shadow:var(--shadow)}.session-card-icon{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}.session-card-body{flex:1;min-width:0}.session-card-title{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-card-sub{font-size:12px;color:var(--text-3);margin-top:2px}.session-card-right{text-align:right;flex-shrink:0}.session-card-dur{font-size:14px;font-weight:600;color:var(--text-2)}.session-card-date{font-size:11px;color:var(--text-3);margin-top:2px}.session-mode-badge{font-size:10px;font-weight:600;padding:2px 7px;border-radius:10px;background:#fef3c7;color:#92400e;margin-top:3px;display:inline-block}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.page-title{font-size:20px;font-weight:700}.subjects-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:28px}.subject-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 18px;cursor:pointer;transition:all .15s;box-shadow:var(--shadow);border-top:3px solid var(--scolor,var(--border));display:flex;flex-direction:column}.subject-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.subject-card-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.subject-card-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}.subject-card-name{font-size:14px;font-weight:600;flex:1}.subject-card-big{font-size:32px;font-weight:800;margin:8px 0 2px}.subject-card-sub{font-size:12px;color:var(--text-3);margin-bottom:10px}.subject-card-pills{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto}.type-pill{font-size:11px;font-weight:500;padding:3px 8px;border-radius:10px}.view-header{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}.view-back{background:none;border:1px solid var(--border);border-radius:7px;padding:7px 12px;font-size:13px;cursor:pointer;font-family:inherit;color:var(--text-2);transition:all .15s;flex-shrink:0}.view-back:hover{background:var(--bg3);color:var(--text)}.view-title{font-size:18px;font-weight:700;flex:1;display:flex;align-items:center;gap:8px}.view-title-block{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}.view-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.chapters-list{display:flex;flex-direction:column;gap:8px}.chapter-band-wrap{position:relative}.chapter-band{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:all .15s;box-shadow:var(--shadow);position:relative}.chapter-band:hover{box-shadow:var(--shadow-md);border-color:var(--primary)}.band-handle{color:var(--text-3);cursor:grab;font-size:16px}.band-dragging{opacity:.5}.band-over{border-color:var(--primary)!important}.band-num{font-size:12px;font-weight:600;color:var(--text-3);flex-shrink:0;min-width:36px}.band-title{font-size:14px;font-weight:600;flex:1;min-width:0}.band-sep{width:1px;height:20px;background:var(--border);flex-shrink:0}.band-types{display:flex;gap:14px}.band-type{display:flex;align-items:center;gap:5px}.band-type-label{font-size:11px;font-weight:500}.band-type-count{font-size:13px;font-weight:700}.band-voir{background:none;border:none;cursor:pointer;font-size:12px;font-weight:600;font-family:inherit;padding:2px 6px;border-radius:5px;transition:background .15s}.band-voir:hover{background:var(--bg3)}.band-rename,.band-del{background:none;border:none;cursor:pointer;font-size:14px;color:var(--text-3);padding:4px 6px;border-radius:5px;transition:all .15s;flex-shrink:0}.band-rename:hover{background:var(--bg3);color:var(--text)}.band-del:hover{background:#fee2e2;color:#b91c1c}.chapter-title-rename{background:none;border:none;cursor:pointer;font-size:14px;color:var(--text-3);padding:2px 6px;border-radius:5px;transition:all .15s}.chapter-title-rename:hover{background:var(--bg3);color:var(--text)}.band-expand{max-height:0;overflow:hidden;transition:max-height .25s ease}.band-expand.open{max-height:800px}.band-expand-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;padding:8px 0 4px}.band-expand-cell{display:flex;align-items:center;gap:10px;background:var(--bg3);border-radius:8px;padding:10px 12px;cursor:pointer;transition:background .15s;font-size:13px}.band-expand-cell:hover{background:var(--bg4)}.band-expand-cell-num{font-size:11px;font-weight:700;color:var(--text-3);min-width:22px}.band-expand-cell-title{flex:1;font-weight:500}.band-expand-cell-arrow{color:var(--text-3)}.chapter-band-wrap.band-wrap-open .chapter-band{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom-color:transparent}.sort-select-wrap{display:flex;gap:4px}.sort-btn{padding:6px 12px;border:1px solid var(--border);border-radius:7px;background:var(--bg2);font-size:12px;cursor:pointer;font-family:inherit;color:var(--text-2);transition:all .15s}.sort-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-chstart{padding:6px 10px;border:1px solid var(--border);border-radius:7px;background:var(--bg2);font-size:12px;cursor:pointer;font-family:inherit;color:var(--text-2)}.breadcrumb{font-size:12px;color:var(--text-3);margin-bottom:12px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.breadcrumb-link{cursor:pointer}.breadcrumb-link:hover{color:var(--primary)}.breadcrumb-sep{color:var(--border)}.breadcrumb-cur{color:var(--text-2);font-weight:500}.content-tabs{display:flex;gap:4px;margin-bottom:16px;flex-wrap:wrap}.content-tab{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1.5px solid var(--border);background:var(--bg2);font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;color:var(--text-2);transition:all .15s;white-space:nowrap}.content-tab:hover{border-color:var(--primary);color:var(--primary)}.content-tab.active{background:var(--tbg,var(--primary-light));border-color:var(--tcol,var(--primary));color:var(--tcol,var(--primary))}.tab-cnt{background:var(--bg3);color:var(--text-3);font-size:11px;font-weight:600;padding:1px 6px;border-radius:10px}.content-tab.active .tab-cnt{background:var(--tcol,var(--primary));color:#fff;opacity:.8}.tab-label-edit{font-size:12px;color:var(--text-3);margin-left:2px;cursor:pointer;padding:1px 3px;border-radius:4px;transition:all .15s}.tab-label-edit:hover{background:var(--bg3);color:var(--text)}.doc-list{display:flex;flex-direction:column;gap:8px}.doc-entry{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:all .15s;box-shadow:var(--shadow)}.doc-entry:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}.doc-entry.sel-mode{cursor:default}.doc-icon{width:38px;height:38px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.doc-body{flex:1;min-width:0}.doc-title{font-size:14px;font-weight:500}.doc-notes{font-size:12px;color:var(--text-2);line-height:1.5;margin-top:2px}.doc-meta{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--text-3);margin-top:4px}.doc-link{color:var(--primary);text-decoration:none;font-weight:500;font-size:11px;background:none;border:none;padding:0;cursor:pointer;font-family:inherit}.doc-link:hover{text-decoration:underline}.doc-actions{display:flex;gap:6px;align-items:center;flex-shrink:0}.btn-icon{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:5px 8px;cursor:pointer;font-size:13px;transition:all .15s;color:var(--text-2)}.btn-icon:hover{background:var(--bg4)}.btn-icon.danger:hover{background:#fee2e2;color:#b91c1c;border-color:#fecaca}.btn-view-pdf{background:var(--primary-light);color:var(--primary);border:1px solid var(--primary);border-radius:6px;padding:5px 10px;cursor:pointer;font-size:12px;font-weight:500;font-family:inherit;transition:all .15s}.btn-view-pdf:hover{background:var(--primary);color:#fff}.btn-correction{background:#dcfce7;border:1px solid #86EFAC;color:#16a34a;border-radius:6px;padding:5px 10px;cursor:pointer;font-size:12px;font-weight:500;font-family:inherit;transition:all .15s;display:flex;align-items:center;gap:4px}.btn-correction:hover{background:#bbf7d0}.btn-add-correction{background:none;border:1.5px dashed var(--border);color:var(--text-3);border-radius:6px;padding:5px 10px;cursor:pointer;font-size:12px;font-weight:500;font-family:inherit;transition:all .15s}.btn-add-correction:hover{border-color:var(--primary);color:var(--primary)}.doc-sel-check{width:18px;height:18px;border-radius:5px;border:2px solid var(--border);flex-shrink:0;transition:all .15s}.doc-sel-check.checked{background:var(--chk,var(--primary));border-color:var(--chk,var(--primary))}.doc-selected{border-color:var(--primary)!important;background:var(--primary-light)}.btn-danger{background:#e8670a;color:#fff;border:none;padding:7px 14px;border-radius:7px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit}.btn-danger:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg2);color:var(--text-2);border:1px solid var(--border);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .15s}.btn-secondary:hover{background:var(--bg3);color:var(--text)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-3)}.empty-icon{font-size:40px;margin-bottom:14px}.empty-title{font-size:16px;font-weight:600;color:var(--text-2);margin-bottom:6px}.empty-sub{font-size:13px}.concours-grid{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:12px;margin-bottom:28px;padding-bottom:4px;scrollbar-width:thin}.concours-card{flex-shrink:0;width:182px;background:var(--bg2);border:1px solid var(--border);border-top:3px solid var(--cc, var(--primary));border-radius:var(--radius-lg);padding:16px 14px 14px;display:flex;flex-direction:column;text-decoration:none;transition:all .15s;box-shadow:var(--shadow)}.concours-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.concours-card-logo-wrap{flex:1;display:flex;align-items:center;justify-content:center;min-height:90px}.concours-card-logo{max-width:100%;max-height:80px;object-fit:contain;mix-blend-mode:multiply}.concours-card-name{font-size:14px;font-weight:700;color:var(--text);margin-top:10px}.concours-card-sub{font-size:12px;color:var(--text-3);margin-top:2px}.section-title{font-size:13px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;margin-top:24px}.badge{background:var(--bg3);color:var(--text-3);font-size:11px;font-weight:600;padding:1px 7px;border-radius:10px;display:inline-block}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal-overlay.hidden{display:none}.modal{background:var(--bg2);border-radius:var(--radius-lg);padding:28px 28px 24px;width:min(500px,92vw);max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #00000026}.modal-title{font-size:16px;font-weight:700;margin-bottom:18px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.modal-warning{background:#fef3c7;border:1px solid #F59E0B;border-radius:8px;padding:10px 12px;font-size:12px;color:#92400e;margin-bottom:14px;line-height:1.4}.form-field{margin-bottom:14px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:5px}.form-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit;background:var(--bg2);color:var(--text);outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--primary)}.form-textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;font-family:inherit;background:var(--bg2);color:var(--text);outline:none;transition:border-color .15s;min-height:80px;resize:vertical}.form-textarea:focus{border-color:var(--primary)}select.form-input{cursor:pointer}.toast{position:fixed;bottom:24px;right:24px;background:#1a1d2e;color:#fff;padding:11px 18px;border-radius:9px;font-size:13px;font-weight:500;box-shadow:var(--shadow-md);z-index:400;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;transform:translateY(8px);max-width:340px}.toast.show{opacity:1;pointer-events:auto;transform:translateY(0)}.toast.error{background:#b91c1c}.session-overlay{position:fixed;top:0;left:0;right:0;z-index:190}.session-bar{display:flex;align-items:center;justify-content:space-between;background:#1a1d2e;color:#fff;padding:10px 20px;gap:16px;flex-wrap:wrap}.session-overlay.exam-mode .session-bar{background:#7c1d1d}.session-bar-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.session-bar-center{display:flex;align-items:center;justify-content:center;flex-shrink:0}.session-bar-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.session-subj-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.session-subj-name{font-weight:600;font-size:14px}.session-type-badge{font-size:11px;font-weight:500;padding:2px 8px;border-radius:10px}.session-exam-badge{background:#ffffff26;font-size:11px;padding:2px 8px;border-radius:10px}.session-timer{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em;color:#fff}.session-btn{background:#ffffff1f;border:1px solid rgba(255,255,255,.2);color:#fff;padding:6px 14px;border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;font-family:inherit;transition:background .15s}.session-btn:hover{background:#fff3}.session-btn.danger{border-color:#ff505080}.session-btn.danger:hover{background:#ff505033}.exam-focus-banner{background:#fef3c7;color:#92400e;padding:8px 20px;font-size:12px;font-weight:500;display:flex;align-items:center;justify-content:center;gap:10px}.exam-close-hint{background:none;border:none;cursor:pointer;color:#92400e;font-size:14px}.timer-preset-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.timer-preset-modal{padding:7px 14px;border:1.5px solid var(--border);background:var(--bg3);border-radius:7px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;color:var(--text-2);transition:all .15s}.timer-preset-modal:hover{border-color:var(--primary);color:var(--primary)}.timer-preset-modal.active{background:var(--primary);border-color:var(--primary);color:#fff}.mode-option{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;flex:1;min-width:130px;transition:all .15s}.mode-option:hover{border-color:var(--primary)}.mode-option.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.status-wrap{position:relative;display:inline-flex;align-items:center;margin-left:4px;flex-shrink:0}.ch-header-status{margin-left:8px}.status-badge{background:none;border:none;cursor:pointer;font-size:14px;padding:2px 4px;border-radius:4px;line-height:1;transition:opacity .15s;font-family:inherit}.status-badge:hover{opacity:.7}.status-none{color:var(--text-3);font-size:12px}.status-menu{display:none;position:absolute;top:calc(100% + 4px);right:0;background:var(--bg2);border:1px solid var(--border);border-radius:9px;padding:6px;box-shadow:var(--shadow-md);gap:4px;flex-direction:column;z-index:50;min-width:155px}.status-menu.open{display:flex}.status-pick-btn{background:var(--sbg,var(--bg3));color:var(--sc,var(--text));border:none;border-radius:6px;padding:7px 10px;font-size:12px;font-weight:500;cursor:pointer;text-align:left;font-family:inherit;transition:opacity .15s}.status-pick-btn:hover{opacity:.8}.status-pick-btn.active{outline:2px solid var(--sc)}.subj-desc{font-size:12px;color:var(--text-2);line-height:1.4;margin-top:4px;white-space:pre-wrap;word-break:break-word}.subj-desc-header{margin-bottom:2px;opacity:.85}.subj-desc-edit{background:none;border:none;cursor:pointer;font-size:13px;color:var(--text-3);padding:0 4px;line-height:1;transition:color .15s;flex-shrink:0}.subj-desc-edit:hover{color:var(--text)}.desc-link{color:inherit;text-decoration:underline;text-underline-offset:2px;opacity:.8;transition:opacity .15s}.desc-link:hover{opacity:1}.link-mode-hint{display:flex;gap:6px;margin-top:6px}.link-hint-btn{font-size:11px;padding:3px 8px;border-radius:5px;border:1px solid var(--border);background:var(--bg3);color:var(--text-2);cursor:pointer;font-family:inherit;transition:all .15s}.link-hint-btn:hover{background:var(--bg4);color:var(--text)}.link-dot{display:inline-flex;align-items:center;font-size:10px;color:var(--text-3);cursor:default;-webkit-user-select:none;user-select:none;vertical-align:middle;margin-left:4px;position:relative}.link-dot.ok{color:#16a34a}.link-dot.err{color:#dc2626}.link-dot:after{content:attr(data-tip);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);background:#1a1d2e;color:#fff;font-size:11px;white-space:nowrap;padding:5px 9px;border-radius:6px;pointer-events:none;opacity:0;transition:opacity .15s;z-index:99;font-family:inherit}.link-dot:hover:after{opacity:1}.add-choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:4px}.add-choice-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px;border:1.5px dashed var(--border);border-radius:var(--radius);background:var(--bg2);cursor:pointer;transition:all .15s;font-family:inherit}.add-choice-card:hover{border-color:var(--primary);background:var(--primary-light)}.add-choice-icon{font-size:28px}.add-choice-label{font-size:14px;font-weight:600;color:var(--text)}.add-choice-sub{font-size:12px;color:var(--text-3)}.search-results{position:absolute;top:calc(100% + 4px);left:0;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:480px;box-shadow:var(--shadow-md);z-index:80;overflow:hidden}.search-results.hidden{display:none}.search-result-item{padding:11px 14px;cursor:pointer;transition:background .1s}.search-result-item:hover{background:var(--bg3)}.sr-title{font-size:13px;font-weight:500}.sr-sub{font-size:11px;color:var(--text-3);margin-top:2px}.fade-in{animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.sidebar{position:fixed;left:-100%;top:0;height:100vh;z-index:20;transition:left .25s ease;box-shadow:var(--shadow-md)}.sidebar.open{left:0}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:19}.sidebar-overlay.open{display:block}.mobile-topbar{display:flex}.app-content{padding-top:0}.main{padding:16px}.search-bar-wrap{padding:0 16px 12px}.search-bar-wrap .search-icon{left:28px}.stats-grid{grid-template-columns:repeat(2,1fr)}.dash-charts-row{grid-template-columns:1fr}.dash-hero{padding:20px}.dash-hello{font-size:18px}.subjects-grid{grid-template-columns:1fr}.view-header{flex-wrap:wrap;gap:8px}.view-actions{width:100%;flex-wrap:wrap}.band-sep,.band-type-label{display:none}.band-type{padding:0 6px}.modal{padding:20px 16px}.timer-page{padding-top:16px}}@media (max-width:480px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}.stat-val{font-size:18px}.content-tabs{gap:3px}.content-tab{font-size:12px;padding:7px 10px}.toast{bottom:16px;right:12px;left:12px;text-align:center}}