:root{
  --bg:oklch(0.995 0.002 95);
  --sidebar-bg:oklch(0.975 0.004 90);
  --surface:#ffffff;
  --border:oklch(0.90 0.006 90);
  --border-soft:oklch(0.945 0.004 90);
  --text:oklch(0.20 0.01 260);
  --text-2:oklch(0.50 0.012 260);
  --text-3:oklch(0.68 0.01 260);
  --accent:oklch(0.55 0.16 258);
  --accent-dark:oklch(0.45 0.17 258);
  --accent-soft:oklch(0.94 0.03 258);
  --success:oklch(0.62 0.14 152);
  --success-soft:oklch(0.94 0.045 152);
  --warning:oklch(0.72 0.14 75);
  --warning-soft:oklch(0.96 0.05 80);
}

[data-theme="dark"]{
  --bg:oklch(0.14 0.01 260);
  --sidebar-bg:oklch(0.17 0.012 260);
  --surface:oklch(0.20 0.012 260);
  --border:oklch(0.29 0.01 260);
  --border-soft:oklch(0.24 0.01 260);
  --text:oklch(0.94 0.005 260);
  --text-2:oklch(0.74 0.01 260);
  --text-3:oklch(0.55 0.01 260);
  --accent:oklch(0.65 0.16 258);
  --accent-dark:oklch(0.55 0.17 258);
  --accent-soft:oklch(0.26 0.05 258);
  --success:oklch(0.70 0.15 152);
  --success-soft:oklch(0.25 0.05 152);
  --warning:oklch(0.75 0.14 75);
  --warning-soft:oklch(0.26 0.05 80);
  color-scheme:dark;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea{
  color-scheme:dark;
}
[data-theme="dark"] .conspect-panel code{
  color:oklch(0.78 0.14 258);
}
[data-theme="dark"] .snap-feedback.error{
  background:oklch(0.28 0.08 25);
  color:oklch(0.78 0.14 25);
}
[data-theme="dark"] .badge.working{
  color:oklch(0.85 0.14 75);
}
[data-theme="dark"] .badge.error{
  background:oklch(0.28 0.08 25);
  color:oklch(0.78 0.14 25);
}

*{box-sizing:border-box;}
html,body{margin:0;height:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-dark);}

.app-shell{display:flex;height:100vh;overflow:hidden;position:relative;}

.sidebar{
  width:280px;flex-shrink:0;background:var(--sidebar-bg);
  border-right:1px solid var(--border);display:flex;flex-direction:column;
  padding:16px 12px;gap:14px;overflow-y:auto;
  transition:margin-left 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-shell.sidebar-collapsed .sidebar{
  margin-left:-280px;
}

.sidebar-header{
  display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 2px 2px;
}
.sidebar-logo{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;}
.sidebar-logo .dot{width:24px;height:24px;border-radius:7px;background:var(--accent);flex-shrink:0;}
.sidebar-close-btn{flex-shrink:0;width:26px;height:26px;font-size:11px;}

.sidebar-search{
  border:1px solid var(--border);border-radius:9px;padding:8px 10px;
  font-size:13px;color:var(--text);background:var(--surface);width:100%;
}
.sidebar-search::placeholder{color:var(--text-3);}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;
  font-size:13.5px;color:var(--text-2);cursor:pointer;
}
.nav-item:hover{background:var(--border-soft);color:var(--text);}
.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600;}

.sidebar-divider{height:1px;background:var(--border);margin:2px 0;}
.sidebar-section-label{
  font-size:11px;font-weight:600;color:var(--text-3);text-transform:uppercase;
  letter-spacing:.04em;padding:2px 8px 4px;
}
.course-head{
  display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:7px;
  font-size:13px;cursor:pointer;
}
.course-head:hover{background:var(--border-soft);}

.main{flex:1;min-width:0;display:flex;flex-direction:column;overflow-y:auto;}
.topbar{
  height:58px;flex-shrink:0;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;padding:0 24px;
  font-size:16px;font-weight:700;gap:12px;
}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.topbar-left #course-title, .topbar-title{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sidebar-toggle-btn{
  width:32px;height:32px;border:1px solid var(--border);background:var(--surface);
  border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--text-2);flex-shrink:0;padding:0;
}
.sidebar-toggle-btn:hover{background:var(--border-soft);color:var(--text);}
.topbar-download-btn{
  width:32px;height:32px;border:1px solid var(--border);background:var(--surface);
  border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--text-2);flex-shrink:0;padding:0;
  transition:background .15s ease,color .15s ease,border-color .15s ease,transform .1s ease;
}
.topbar-download-btn:hover{background:var(--border-soft);color:var(--accent);border-color:var(--accent);transform:translateY(-1px);}
.topbar-download-btn:active{transform:translateY(0);}
.topbar-download-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.sidebar-backdrop{display:none;}
.content{flex:1;padding:26px;}

.tile{
  border:1px solid var(--border);border-radius:14px;padding:18px;
  background:var(--surface);
}
.section-label{
  font-size:12px;font-weight:600;color:var(--text-3);text-transform:uppercase;
  letter-spacing:.04em;margin:0 0 10px;
}
.course-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;}
.course-card{
  border:1px solid var(--border);border-radius:14px;padding:16px;background:var(--surface);
  display:flex;flex-direction:column;gap:6px;
}
.course-card:hover{border-color:var(--accent);}
.course-card .title{font-size:14.5px;font-weight:700;}
.course-card .meta{font-size:12.5px;color:var(--text-2);}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;
  font-size:12px;font-weight:600;white-space:nowrap;width:fit-content;
}
.badge.done{background:var(--success-soft);color:var(--success);}
.badge.working{background:var(--warning-soft);color:oklch(0.55 0.14 70);}
.badge.error{background:oklch(0.94 0.06 25);color:oklch(0.5 0.16 25);}
.badge.queued{background:var(--border-soft);color:var(--text-2);}

.stat-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border:1px solid var(--border);
  border-radius:12px;background:var(--surface);margin-bottom:10px;
}
.stat-info{
  flex:1;min-width:0;display:flex;align-items:center;
}
.stat-title{
  font-size:14px;font-weight:700;color:var(--text);word-break:break-word;
  display:inline-flex;align-items:center;flex-wrap:wrap;gap:4px;line-height:1.4;
}
.stat-warn-icon{
  font-size:14px;cursor:help;margin-right:2px;flex-shrink:0;
}
.stat-course-link{
  color:var(--text);text-decoration:none;transition:color 0.15s ease;
}
.stat-course-link:hover{
  color:var(--accent);text-decoration:underline;
}
.stat-sep{
  color:var(--text-3);font-weight:400;margin:0 2px;user-select:none;
}
.stat-lesson-link{
  color:var(--text-2);text-decoration:none;font-weight:600;transition:color 0.15s ease;
}
.stat-lesson-link:hover{
  color:var(--accent);text-decoration:underline;
}
.stat-actions{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.stat-error-box{
  font-size:12px;line-height:1.5;color:oklch(0.5 0.16 25);
  background:oklch(0.96 0.04 25);border:1px solid oklch(0.9 0.06 25);border-radius:8px;
  padding:8px 12px;word-break:break-word;overflow-wrap:anywhere;white-space:normal;max-width:100%;
}
[data-theme="dark"] .stat-error-box{
  background:oklch(0.22 0.05 25);border-color:oklch(0.35 0.1 25);color:oklch(0.78 0.12 25);
}
.task-queue-error{
  font-size:12px;line-height:1.5;color:oklch(0.5 0.16 25);
  background:oklch(0.96 0.04 25);border:1px solid oklch(0.9 0.06 25);border-radius:8px;
  padding:8px 12px;word-break:break-word;overflow-wrap:anywhere;white-space:normal;margin-top:4px;
}
[data-theme="dark"] .task-queue-error{
  background:oklch(0.22 0.05 25);border-color:oklch(0.35 0.1 25);color:oklch(0.78 0.12 25);
}
@media (max-width: 640px){
  .stat-row{flex-direction:column;align-items:stretch;gap:10px;}
  .stat-actions{justify-content:space-between;width:100%;}
}
.btn-regenerate{
  padding:6px 14px;font-size:12.5px;font-weight:600;border-radius:8px;
  background:var(--accent);color:#fff;border:none;cursor:pointer;
  white-space:nowrap;transition:opacity 0.15s ease,transform 0.15s ease;flex-shrink:0;
}
.btn-regenerate:hover:not(:disabled){opacity:0.9;}
.btn-regenerate:active:not(:disabled){transform:scale(0.97);}
.btn-regenerate:disabled{opacity:0.55;cursor:not-allowed;}
.whisper-indicator{
  display:flex;align-items:center;gap:8px;border:1px solid var(--border);
  border-radius:20px;padding:6px 14px 6px 10px;font-size:12.5px;font-weight:600;
}
.whisper-dot{width:9px;height:9px;border-radius:50%;display:inline-block;}
.whisper-dot.online{background:var(--success);box-shadow:0 0 0 3px var(--success-soft);}
.whisper-dot.offline{background:var(--text-3);box-shadow:0 0 0 3px var(--border-soft);}

.course-detail{display:flex;flex:1;min-height:0;}
.course-detail .left{flex:1.4;min-width:0;padding:20px 26px;overflow-y:auto;}
.course-detail .right{
  width:480px;min-width:360px;max-width:650px;flex-shrink:0;border-left:1px solid var(--border);
  display:flex;flex-direction:column;min-height:0;
}
.tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0;}
.tab-btn{flex:1;padding:14px 10px;border:none;background:none;cursor:pointer;font-size:13.5px;font-weight:700;color:var(--text-3);}
.tab-btn:hover{color:var(--text);}
.tab-btn.active{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent);}

.conspect-container{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden;}
.conspect-container.fullscreen{
  position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;
  z-index:10000;background:var(--surface);display:flex;flex-direction:column;
  box-shadow:none;border:none;border-radius:0;
}
.conspect-container.fullscreen .conspect-toolbar{
  padding:10px 20px;background:var(--sidebar-bg);border-bottom:1px solid var(--border);
}
.conspect-container.fullscreen .conspect-panel{
  max-width:920px;width:100%;margin:0 auto;padding:28px 24px;
}
.conspect-container.fullscreen .conspect-editor-wrapper{
  max-width:960px;width:100%;margin:0 auto;padding:14px 20px;
}
.conspect-toolbar{
  display:flex;align-items:center;justify-content:space-between;padding:8px 14px;
  border-bottom:1px solid var(--border-soft);background:var(--sidebar-bg);gap:8px;flex-shrink:0;
}
.conspect-view-actions{
  display:flex;align-items:center;justify-content:space-between;width:100%;gap:8px;flex-wrap:wrap;
}
.conspect-view-left{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.conspect-view-right{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0;}
.conspect-edit-actions{display:flex;align-items:center;justify-content:space-between;width:100%;gap:6px;flex-wrap:wrap;}

.conspect-read-badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;
  background:var(--surface);border:1px solid var(--border);font-size:12px;font-weight:600;
  color:var(--text-2);user-select:none;font-variant-numeric:tabular-nums;
  white-space:nowrap;transition:all 0.2s ease;
}
.conspect-read-text{
  font-size:12px;font-weight:600;color:var(--text-2);font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.conspect-read-badge.completed{
  background:var(--success-soft);border-color:rgba(34, 197, 94, 0.3);
}
.conspect-read-badge.completed .conspect-read-text{
  color:var(--success);
}

.tool-group{display:flex;align-items:center;gap:5px;}
.tool-btn{
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  padding:5px 10px;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;gap:4px;
}
.tool-btn:hover{background:var(--border-soft);}
.tool-btn-primary{background:var(--accent);color:white;border-color:var(--accent);}
.tool-btn-primary:hover{background:var(--accent-dark);}
.tool-btn-success{background:var(--success);color:white;border-color:var(--success);}
.tool-btn-success:hover{opacity:0.9;}
.tool-btn-muted{color:var(--text-3);font-size:11.5px;}
.tool-btn-icon{
  border:1px solid var(--border);background:var(--surface);border-radius:6px;
  width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;cursor:pointer;color:var(--text-2);
}
.tool-btn-icon:hover{background:var(--border-soft);color:var(--text);}
.tool-divider{width:1px;height:16px;background:var(--border);margin:0 3px;}
.font-size-group{display:inline-flex;align-items:center;gap:3px;}
.font-size-group .tool-btn-icon{width:26px;height:26px;font-size:11px;font-weight:700;}

.conspect-status-banner{
  padding:6px 12px;font-size:11.5px;font-weight:600;margin:6px 12px 0;border-radius:6px;
}
.conspect-status-banner.success{background:var(--success-soft);color:var(--success);}
.conspect-status-banner.error{background:oklch(0.94 0.06 25);color:oklch(0.5 0.16 25);}

.conspect-editor-wrapper{
  flex:1;display:flex;flex-direction:column;padding:10px 12px;min-height:0;gap:6px;
}
#conspect-editor{
  flex:1;width:100%;resize:none;border:1px solid var(--border);border-radius:8px;
  padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  font-size:13px;line-height:1.55;color:var(--text);background:var(--surface);outline:none;
}
#conspect-editor:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);}
.editor-footer-hint{font-size:11px;color:var(--text-3);padding:0 4px;}

.conspect-panel{flex:1;overflow-y:auto;padding:16px 20px;font-size:13.5px;line-height:1.6;color:var(--text-2);}
.conspect-panel h1,.conspect-panel h2,.conspect-panel h3{color:var(--text);margin:14px 0 8px;transition:background 0.3s ease;}
.conspect-panel h1:first-child,.conspect-panel h2:first-child{margin-top:0;}
@keyframes headingPulse{0%{background:var(--accent-soft);}100%{background:transparent;}}
.heading-highlight{animation:headingPulse 2.2s ease-out;border-radius:6px;padding:2px 6px;margin-left:-6px;}
.conspect-panel p,.conspect-panel ul,.conspect-panel ol{margin:0 0 10px;}
.conspect-panel code{background:var(--sidebar-bg);padding:2px 5px;border-radius:4px;font-size:12px;color:var(--accent-dark);}
.conspect-panel pre code{display:block;padding:10px;background:var(--sidebar-bg);border-radius:8px;overflow-x:auto;}
.conspect-panel img{
  max-width:100%;height:auto;border-radius:8px;border:1px solid var(--border);
  margin:10px 0;display:block;box-shadow:0 2px 8px rgba(0,0,0,0.06);
}

.cue-list{flex:1;overflow-y:auto;padding:10px 12px;}
.cue-row{display:flex;gap:12px;padding:8px 10px;border-radius:9px;cursor:pointer;}
.cue-row:hover{background:var(--border-soft);}
.cue-row.active{background:var(--accent-soft);}
.cue-time{font-size:11.5px;font-weight:700;color:var(--text-3);width:42px;flex-shrink:0;font-variant-numeric:tabular-nums;}
.cue-row.active .cue-time{color:var(--accent);}
.cue-text{font-size:13px;color:var(--text-2);white-space:pre-line;}
.cue-row.active .cue-text{color:var(--accent);font-weight:600;}

.cue-body{display:flex;flex-direction:column;gap:2px;}
.cue-topic-title{font-size:13px;font-weight:700;color:var(--text);}
.cue-row.active .cue-topic-title{color:var(--accent);}

.video-player-wrapper{
  position:relative;width:100%;border-radius:12px;overflow:hidden;background:#000;
}
.video-player-wrapper video{
  width:100%;border-radius:12px;background:#000;display:block;
}

/* Fullscreen mode on wrapper */
.video-player-wrapper:fullscreen,
.video-player-wrapper:-webkit-full-screen,
.video-player-wrapper.is-fullscreen,
.video-player-wrapper.fullscreen-mode{
  width:100vw;height:100vh;max-width:100vw;max-height:100vh;
  border-radius:0;background:#000;
  display:flex;align-items:center;justify-content:center;
}
.video-player-wrapper:fullscreen video,
.video-player-wrapper:-webkit-full-screen video,
.video-player-wrapper.is-fullscreen video,
.video-player-wrapper.fullscreen-mode video{
  width:100%;height:100%;max-height:100vh;border-radius:0;object-fit:contain;
}

/* Fallback class if browser doesn't support native fullscreen */
.video-player-wrapper.fullscreen-mode{
  position:fixed;top:0;left:0;z-index:99999;
}

/* Fullscreen overlay controls (normal & top layer popover) */
.video-fs-overlay{
  display:none;
  position:absolute;
  top:max(16px, env(safe-area-inset-top, 16px));
  right:max(16px, env(safe-area-inset-right, 16px));
  z-index:2147483647;
  align-items:center;
  gap:8px;
  background:rgba(18, 20, 26, 0.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255, 255, 255, 0.25);
  border-radius:10px;
  padding:6px 10px;
  box-shadow:0 8px 32px rgba(0, 0, 0, 0.55);
  transition:opacity 0.25s ease, transform 0.25s ease;
  pointer-events:auto !important;
  touch-action:none !important;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
  -webkit-user-select:none;
}

#video-fs-overlay:popover-open{
  display:flex !important;
  position:fixed !important;
  inset:auto !important;
  top:max(16px, env(safe-area-inset-top, 16px)) !important;
  right:max(16px, env(safe-area-inset-right, 16px)) !important;
  left:auto !important;
  bottom:auto !important;
  margin:0 !important;
  border:1px solid rgba(255, 255, 255, 0.25) !important;
  background:rgba(18, 20, 26, 0.88) !important;
  backdrop-filter:blur(14px) !important;
  -webkit-backdrop-filter:blur(14px) !important;
  border-radius:10px !important;
  padding:6px 10px !important;
  box-shadow:0 8px 32px rgba(0, 0, 0, 0.55) !important;
  color:#fff !important;
  z-index:2147483647 !important;
  overflow:visible !important;
  pointer-events:auto !important;
  touch-action:none !important;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
  -webkit-user-select:none;
}

.video-player-wrapper:fullscreen .video-fs-overlay,
.video-player-wrapper:-webkit-full-screen .video-fs-overlay,
.video-player-wrapper.is-fullscreen .video-fs-overlay,
.video-player-wrapper.fullscreen-mode .video-fs-overlay{
  display:flex !important;
}

body:has(.conspect-container.fullscreen) #video-fs-overlay,
body:has(.conspect-container.fullscreen) #video-fs-overlay:popover-open{
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.video-fs-overlay.autohide,
#video-fs-overlay:popover-open.autohide{
  opacity:0 !important;
  pointer-events:none !important;
  transform:translateY(-6px) !important;
}
.video-fs-overlay:hover,
.video-fs-overlay:focus-within,
#video-fs-overlay:popover-open:hover,
#video-fs-overlay:popover-open:focus-within{
  opacity:1 !important;
  pointer-events:auto !important;
  transform:translateY(0) !important;
}

.video-fs-btn{
  border:1px solid rgba(255, 255, 255, 0.25);
  background:rgba(255, 255, 255, 0.14);
  color:#fff;
  padding:6px 11px;
  border-radius:7px;
  font-size:12px;
  font-weight:600;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:5px;
  transition:background 0.2s, border-color 0.2s, transform 0.1s;
  pointer-events:auto !important;
  touch-action:none !important;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
  -webkit-user-select:none;
}
.video-fs-btn *{
  pointer-events:none;
}
.video-fs-btn:hover{
  background:rgba(255, 255, 255, 0.24);border-color:rgba(255, 255, 255, 0.45);
}
.video-fs-btn:active{
  transform:scale(0.92) !important;
  background:rgba(255, 255, 255, 0.35) !important;
}
.video-fs-snap-btn{
  background:var(--accent);border-color:var(--accent);color:#fff;
}
.video-fs-snap-btn:hover{
  background:var(--accent-dark);border-color:var(--accent-dark);
}
.video-fs-snap-btn:active{
  background:var(--accent-dark) !important;
  transform:scale(0.92) !important;
}
.video-fs-exit-btn{
  padding:6px 8px;
}

.video-fs-speed-wrap{
  display:inline-flex;
  align-items:center;
  gap:3px;
  background:rgba(255, 255, 255, 0.14);
  border:1px solid rgba(255, 255, 255, 0.25);
  border-radius:7px;
  padding:5px 9px;
  font-size:12px;
  color:#fff;
  pointer-events:auto !important;
  touch-action:none !important;
  -webkit-tap-highlight-color:transparent;
  cursor:pointer;
  position:relative;
  user-select:none;
  -webkit-user-select:none;
  transition:background 0.2s, border-color 0.2s, transform 0.1s;
}
.video-fs-speed-wrap:hover{
  border-color:rgba(255, 255, 255, 0.45);
}
.video-fs-speed-wrap:active{
  transform:scale(0.92) !important;
  background:rgba(255, 255, 255, 0.3) !important;
}
.video-fs-speed-icon{font-size:11px;opacity:0.9;pointer-events:none;}
.video-fs-speed-val{font-size:12px;font-weight:700;pointer-events:none;}
.video-fs-speed-select{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  opacity:0;
  pointer-events:none;
}
.video-fs-speed-select option{background:#1a1d24;color:#fff;}

.video-fs-feedback{
  font-size:11.5px;max-width:320px;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;
}

.video-actions{
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;flex-wrap:wrap;
}
.video-actions-left{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.video-actions-right{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.video-actions-sep{
  width:1px;height:24px;background:var(--border);margin:0 4px;flex-shrink:0;
}
.video-more-wrap{
  position:relative;
  display:inline-flex;
  align-items:center;
}
.video-more-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:38px;
  min-width:38px;
  padding:0 10px;
  border-radius:8px;
  border:1.5px solid var(--border);
  background:var(--surface);
  color:var(--text-2);
  cursor:pointer;
  transition:all 0.15s ease;
  box-shadow:0 1px 3px rgba(0,0,0,0.04);
}
.video-more-btn:hover,
.video-more-btn.active{
  border-color:var(--accent);
  color:var(--accent);
  background:var(--accent-soft);
}
.video-more-arrow{
  transition:transform 0.2s ease;
  display:inline-block;
  pointer-events:none;
}
.video-more-btn.active .video-more-arrow{
  transform:rotate(180deg);
}
.video-more-dropdown{
  position:absolute;
  top:calc(100% + 6px);
  right:0;
  min-width:210px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  box-shadow:0 10px 28px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  padding:6px;
  z-index:110;
  display:flex;
  flex-direction:column;
  gap:2px;
  animation:dropdownFadeIn 0.15s ease;
}
@keyframes dropdownFadeIn {
  from { opacity:0; transform:translateY(-4px); }
  to { opacity:1; transform:translateY(0); }
}
[data-theme="dark"] .video-more-dropdown{
  background:var(--sidebar-bg);
  border-color:var(--border);
  box-shadow:0 10px 28px rgba(0,0,0,0.45), 0 2px 8px rgba(0,0,0,0.3);
}
.video-more-item{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  text-decoration:none;
  background:transparent;
  border:none;
  border-radius:6px;
  cursor:pointer;
  width:100%;
  box-sizing:border-box;
  text-align:left;
  transition:background 0.15s ease, color 0.15s ease;
}
.video-more-item svg{
  flex-shrink:0;
  color:var(--text-3);
  transition:color 0.15s ease;
}
.video-more-item:hover{
  background:var(--accent-soft);
  color:var(--accent);
}
.video-more-item:hover svg{
  color:var(--accent);
}
.mark-watched-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
  padding:8px 18px;min-height:38px;border-radius:8px;cursor:pointer;
  transition:all 0.2s ease;border:1.5px solid var(--border);background:var(--surface);
  color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,0.06);
}
.mark-watched-btn:hover{
  border-color:#16a34a;color:#16a34a;background:var(--success-soft);
}
.mark-watched-btn.watched{
  background:#16a34a;border-color:#15803d;color:#ffffff;
  box-shadow:0 2px 8px rgba(22, 163, 74, 0.3);
}
.mark-watched-btn.watched:hover{
  background:#15803d;border-color:#166534;
}
[data-theme="dark"] .mark-watched-btn.watched{
  background:#22c55e;border-color:#16a34a;color:#052e16;
  box-shadow:0 2px 8px rgba(34, 197, 94, 0.3);
}
[data-theme="dark"] .mark-watched-btn.watched:hover{
  background:#16a34a;border-color:#15803d;color:#ffffff;
}
.watched-check-icon{
  font-size:15px;font-weight:900;line-height:1;
}
.snap-btn{padding:7px 14px;font-size:12.5px;border-radius:8px;font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,0.08);}
.speed-select-wrap{
  display:inline-flex;align-items:center;gap:3px;background:var(--surface);
  border:1px solid var(--border);border-radius:8px;padding:2px 8px;font-size:12.5px;
}
.speed-select-wrap:hover{border-color:var(--text-3);}
.speed-icon{font-size:12px;opacity:0.8;}
.speed-select{
  border:none;background:transparent;color:var(--text);font-size:12.5px;
  font-weight:600;cursor:pointer;outline:none;padding:5px 2px;
}
.speed-select option{background:var(--surface);color:var(--text);}
.snap-feedback{
  font-size:12px;font-weight:600;color:var(--success);padding:5px 10px;
  border-radius:6px;background:var(--success-soft);display:inline-flex;align-items:center;
}
.snap-feedback.error{color:oklch(0.5 0.16 25);background:oklch(0.94 0.06 25);}

.lesson-pills{display:flex;flex-direction:column;gap:10px;margin-top:12px;}
.lesson-pills.flat-pills{flex-direction:row;flex-wrap:wrap;gap:7px;}
.folder-group{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 12px;
  transition:border-color 0.15s ease;
}
.folder-group.active-folder{
  border-color:var(--accent);
}
.folder-header{
  display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;font-weight:600;color:var(--text);
  user-select:none;
}
.folder-header-left{
  display:flex;align-items:center;gap:6px;cursor:pointer;
}
.folder-header-left:hover .folder-title{
  color:var(--accent);
}
.folder-icon{font-size:14px;}
.folder-title{
  transition:color 0.15s ease;
}
.folder-toggle-btn{
  width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--border);border-radius:5px;cursor:pointer;
  padding:0;color:var(--text-2);transition:all 0.15s ease;
}
.folder-toggle-btn:hover{
  border-color:var(--accent);color:var(--accent);background:var(--accent-soft);
}
.folder-arrow{
  font-size:8px;transition:transform 0.2s ease;display:inline-block;line-height:1;
}
.folder-group.expanded .folder-arrow{
  transform:rotate(180deg);
}
.folder-header-right{
  display:flex;align-items:center;gap:8px;
}
.folder-meta{
  font-size:11.5px;font-weight:500;color:var(--text-3);
}
.folder-pills-row{display:flex;gap:7px;flex-wrap:wrap;}
.lesson-pill{
  display:flex;align-items:center;justify-content:center;min-width:30px;height:30px;padding:0 6px;
  border-radius:8px;font-size:13px;font-weight:600;color:var(--text-2);
  border:1px solid var(--border);cursor:pointer;user-select:none;transition:all 0.15s ease;
}
.lesson-pill:hover{border-color:var(--accent);color:var(--text);}
.lesson-pill.active{background:var(--accent);color:white;border-color:var(--accent);}
.lesson-pill.watched{
  background:var(--success-soft);border-color:#16a34a;color:#15803d;
}
[data-theme="dark"] .lesson-pill.watched{
  background:rgba(34, 197, 94, 0.18);border-color:#22c55e;color:#4ade80;
}
.lesson-pill.watched.active{
  background:#16a34a;border-color:#15803d;color:#ffffff;
  box-shadow:0 0 0 2px var(--surface), 0 0 0 4px #16a34a;
}
[data-theme="dark"] .lesson-pill.watched.active{
  background:#22c55e;border-color:#16a34a;color:#052e16;
  box-shadow:0 0 0 2px var(--surface), 0 0 0 4px #22c55e;
}

/* Inline folder lessons list */
.folder-lessons-list{
  display:flex;flex-direction:column;gap:4px;
  padding-top:8px;margin-top:2px;border-top:1px solid var(--border);
}
.folder-lesson-item{
  display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:6px;font-size:13px;
  cursor:pointer;transition:background 0.15s ease, border-color 0.15s ease;border:1px solid transparent;
}
.folder-lesson-item:hover{
  background:var(--accent-soft);
}
.folder-lesson-item.active{
  background:var(--accent-soft);border-color:var(--accent);font-weight:600;
}
.folder-lesson-item-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;
  border-radius:6px;background:var(--bg);color:var(--text-2);font-size:11.5px;font-weight:700;
  border:1px solid var(--border);flex-shrink:0;
}
.folder-lesson-item.active .folder-lesson-item-num{
  background:var(--accent);color:white;border-color:var(--accent);
}
.folder-lesson-item.watched .folder-lesson-item-num{
  background:#16a34a;border-color:#15803d;color:#ffffff;
}
[data-theme="dark"] .folder-lesson-item.watched .folder-lesson-item-num{
  background:#22c55e;border-color:#16a34a;color:#052e16;
}
.folder-lesson-item.watched .folder-lesson-item-title{
  color:var(--text);
}
.folder-lesson-item.watched .folder-lesson-item-title::after{
  content:" ✓";color:#16a34a;font-weight:700;margin-left:4px;
}
[data-theme="dark"] .folder-lesson-item.watched .folder-lesson-item-title::after{
  color:#4ade80;
}
.folder-lesson-item-info{
  flex:1;min-width:0;display:flex;align-items:center;gap:6px;
}
.folder-lesson-item-title{
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);
}
.folder-lesson-item-meta{
  display:flex;align-items:center;gap:8px;flex-shrink:0;
}
.folder-lesson-item-duration{
  font-size:12px;font-variant-numeric:tabular-nums;color:var(--text-3);font-weight:500;
}
.folder-lesson-item.active .folder-lesson-item-duration{
  color:var(--accent);font-weight:600;
}

/* Lesson Navigation Bar */
.lesson-nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;
}
.lesson-nav-title{
  font-size:14px;font-weight:700;color:var(--text);
}
.lesson-count-badge{
  font-size:12px;font-weight:500;color:var(--text-3);margin-left:6px;
}
.lesson-nav-right{
  display:flex;align-items:center;gap:8px;
}
.lesson-view-mode-btn,
.lesson-edit-folders-btn{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);
  color:var(--text-2);cursor:pointer;transition:all 0.15s ease;
}
.lesson-view-mode-btn:hover,
.lesson-edit-folders-btn:hover{
  border-color:var(--accent);color:var(--text);background:var(--accent-soft);
}

/* Modal Dialog */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 16px;
}
.modal-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 16px;
  color: var(--text-2);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s ease;
}
.modal-close-btn:hover {
  background: var(--bg);
  color: var(--text);
}
.modal-body {
  padding: 16px 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-desc {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.45;
  margin: 0;
}
.folder-order-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.folder-order-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.15s ease;
}
.folder-order-item:hover {
  border-color: var(--accent);
}
.folder-order-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.folder-order-icon {
  font-size: 16px;
}
.folder-order-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.folder-order-count {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  white-space: nowrap;
}
.folder-order-item-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.folder-order-item-actions button {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.15s ease;
}
.folder-order-item-actions button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.folder-order-item-actions button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* Server path modal styles */
.modal-dialog-wide {
  max-width: 560px;
}
.server-path-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}
.server-path-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
}
.server-path-box {
  display: flex;
  align-items: center;
  gap: 8px;
}
.server-path-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12.5px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  outline: none;
  user-select: all;
}
.server-path-input:focus {
  border-color: var(--accent);
}
.server-path-hint {
  font-size: 12px;
  color: var(--text-3);
  margin: 2px 0 0 0;
  line-height: 1.4;
}
.server-path-hint kbd {
  display: inline-block;
  padding: 1px 5px;
  font-size: 11px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.1);
  font-family: inherit;
  font-weight: 600;
}
.server-android-steps {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.5;
}
.server-steps-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.server-steps-list {
  margin: 0;
  padding-left: 18px;
}
.server-steps-list li {
  margin-bottom: 5px;
}
.server-steps-list li:last-child {
  margin-bottom: 0;
}
.server-steps-list code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11.5px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.copy-inline-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 10.5px;
  color: var(--accent);
  cursor: pointer;
  padding: 1px 6px;
  margin-left: 4px;
  font-weight: 600;
  transition: all 0.15s ease;
}
.copy-inline-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* Materials spoiler */
.materials-section{margin-top:14px;}
.materials-details{
  background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;
}
.materials-summary{
  padding:10px 14px;font-size:13.5px;font-weight:600;color:var(--text);cursor:pointer;
  display:flex;align-items:center;gap:8px;user-select:none;
  transition:background 0.15s ease;
}
.materials-summary:hover{background:var(--accent-soft);}
.materials-count{font-size:12px;color:var(--text-3);font-weight:500;}
.materials-list{padding:10px 14px 14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px;}
.materials-folder-group{display:flex;flex-direction:column;gap:6px;padding:8px 10px;border-radius:8px;background:var(--bg);border-left:3px solid transparent;}
.materials-folder-group.active-folder{border-left-color:var(--accent);}
.materials-folder-title{font-size:12.5px;font-weight:600;color:var(--text-2);display:flex;align-items:center;gap:6px;}
.materials-folder-count{font-size:11.5px;color:var(--text-3);font-weight:400;}
.materials-items{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;}
.material-item{
  display:flex;align-items:center;gap:8px;font-size:13px;padding:6px 10px;border-radius:6px;
  background:var(--surface);border:1px solid var(--border);
}
.material-icon{font-size:15px;flex-shrink:0;}
.material-folder-badge{
  font-size:11px;color:var(--text-3);background:var(--bg);border:1px solid var(--border);
  padding:1px 6px;border-radius:4px;max-width:180px;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;flex-shrink:0;
}
.material-link{
  flex:1;color:var(--text);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-weight:500;
}
.material-link:hover{color:var(--accent);text-decoration:underline;}
.material-size{font-size:11.5px;color:var(--text-3);white-space:nowrap;}
.material-download-btn{
  display:inline-flex;align-items:center;gap:4px;font-size:11.5px;font-weight:600;
  color:var(--accent);background:transparent;border:1px solid var(--border);
  padding:3px 8px;border-radius:6px;text-decoration:none;white-space:nowrap;
  cursor:pointer;transition:all 0.15s ease;
}
.material-download-btn:hover{background:var(--accent);color:white;border-color:var(--accent);}

.login-body{
  display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.login-card{
  width:340px;border:1px solid var(--border);border-radius:16px;padding:32px;
  background:var(--surface);display:flex;flex-direction:column;gap:12px;
}
.login-logo{font-size:18px;font-weight:700;text-align:center;margin-bottom:8px;}
.login-card label{font-size:12.5px;font-weight:600;color:var(--text-2);}
.login-card input{
  border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-size:14px;
}
.login-card button{
  background:var(--accent);color:white;border:none;border-radius:9px;padding:11px;
  font-size:14px;font-weight:600;cursor:pointer;margin-top:6px;
}
.login-card button:hover{background:var(--accent-dark);}
.login-error{color:oklch(0.5 0.16 25);font-size:12.5px;text-align:center;display:none;margin:0;}
.empty-state{color:var(--text-3);font-size:13.5px;padding:20px 0;}

/* Settings Page */
.settings-content{
  display:flex;flex-direction:column;gap:20px;max-width:800px;
}
.settings-card{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:20px 24px;display:flex;flex-direction:column;gap:16px;
}
.settings-card-header{
  display:flex;flex-direction:column;gap:6px;
}
.settings-card-title{
  font-size:16px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px;
}
.settings-count-badge{
  font-size:12px;font-weight:600;padding:2px 8px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent);
}
.settings-card-desc{
  font-size:13px;color:var(--text-2);margin:0;line-height:1.5;
}
.stop-words-add-form{
  display:flex;gap:10px;align-items:center;
}
.stop-words-input{
  flex:1;border:1px solid var(--border);border-radius:9px;padding:9px 12px;
  font-size:13.5px;background:var(--surface);color:var(--text);
  transition:border-color 0.15s ease;
}
.stop-words-input:focus{
  outline:none;border-color:var(--accent);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:600;padding:9px 16px;border-radius:9px;
  border:none;cursor:pointer;transition:all 0.15s ease;white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:white;
}
.btn-primary:hover{background:var(--accent-dark);}
.btn-primary:disabled{opacity:0.6;cursor:not-allowed;}
.btn-secondary{
  background:var(--surface);color:var(--text);border:1px solid var(--border);
}
.btn-secondary:hover{background:var(--border-soft);border-color:var(--text-3);}
.btn-secondary:disabled{opacity:0.6;cursor:not-allowed;}
.form-feedback{
  font-size:12.5px;font-weight:600;padding:7px 12px;border-radius:8px;
}
.form-feedback.success{
  background:var(--success-soft);color:var(--success);
}
.form-feedback.error{
  background:oklch(0.94 0.06 25);color:oklch(0.5 0.16 25);
}
.stop-words-filter-wrap{
  margin-top:2px;
}
.stop-words-filter{
  width:100%;max-width:320px;border:1px solid var(--border);border-radius:8px;
  padding:7px 10px;font-size:12.5px;background:var(--bg);color:var(--text);
}
.stop-words-filter:focus{outline:none;border-color:var(--accent);}
.stop-words-container{
  max-height:360px;overflow-y:auto;padding-right:4px;
}
.stop-words-chips{
  display:flex;flex-wrap:wrap;gap:8px;
}
.stop-word-chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:8px;
  background:var(--bg);border:1px solid var(--border);font-size:13px;font-weight:500;
  color:var(--text);transition:border-color 0.15s ease;
}
.stop-word-chip:hover{border-color:var(--accent);}
.chip-text{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12.5px;}
.chip-delete{
  display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;
  border:none;background:transparent;color:var(--text-3);border-radius:50%;cursor:pointer;
  font-size:11px;line-height:1;transition:all 0.15s ease;padding:0;
}
.chip-delete:hover{
  background:oklch(0.92 0.08 25);color:oklch(0.45 0.18 25);
}
.clean-test-wrap{
  display:flex;flex-direction:column;gap:10px;
}
.clean-test-result{
  display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:9px;
  background:var(--bg);border:1px solid var(--border);
}
.clean-test-label{font-size:12.5px;font-weight:600;color:var(--text-2);white-space:nowrap;}
.clean-test-value{
  font-size:13.5px;font-weight:600;color:var(--text-3);word-break:break-all;
}
.clean-test-value.active{
  color:var(--accent);
}

/* New Course Page & Download Queue */
.download-input-row{
  display:flex;gap:10px;align-items:center;
}
@media (max-width: 640px){
  .download-input-row{flex-direction:column;align-items:stretch;}
}
.download-url-input{
  flex:1;
  font-family:inherit;
}
.download-hints{
  display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-2);margin-top:2px;
}
.hint-badge{
  font-size:11px;font-weight:600;padding:2px 7px;border-radius:6px;background:var(--border-soft);color:var(--text-2);flex-shrink:0;
}
.tasks-queue-list{
  display:flex;flex-direction:column;gap:10px;
}
.task-queue-item{
  display:flex;flex-direction:column;gap:8px;padding:12px 16px;border:1px solid var(--border);
  border-radius:10px;background:var(--bg);transition:border-color 0.15s ease;
}
.task-queue-item:hover{
  border-color:var(--text-3);
}
.task-queue-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
}
.task-queue-title{
  font-size:14px;font-weight:700;color:var(--text);
}
.task-course-link{
  color:var(--text);text-decoration:none;
}
.task-course-link:hover{
  color:var(--accent);text-decoration:underline;
}
.task-progress-bar-wrap{
  width:100%;height:6px;background:var(--border-soft);border-radius:3px;overflow:hidden;
}
.task-progress-bar{
  height:100%;background:var(--accent);border-radius:3px;transition:width 0.3s ease;
}
.task-queue-url-row{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-size:12px;color:var(--text-3);border-top:1px dashed var(--border);padding-top:8px;
  flex-wrap:wrap;
}
.task-url-text{
  word-break:break-all;color:var(--text-2);font-family:monospace;font-size:11.5px;
}
.task-url-actions{
  display:flex;gap:6px;align-items:center;flex-shrink:0;
}
.tool-btn-sm{
  display:inline-flex;align-items:center;gap:4px;padding:3px 8px;font-size:11.5px;
  font-weight:600;color:var(--text-2);background:var(--surface);border:1px solid var(--border);
  border-radius:6px;cursor:pointer;text-decoration:none;transition:all 0.15s ease;
}
.tool-btn-sm:hover{
  border-color:var(--accent);color:var(--accent);background:var(--accent-soft);
}

/* Responsive layout: mobile & narrow screens (video on top, conspect/tabs below) */
@media (max-width: 960px) {
  .app-shell{
    flex-direction:column;
    height:100vh;
    overflow-x:hidden;
  }
  .main{
    height:100%;
    overflow-y:auto;
  }
  .topbar{
    height:52px;
    padding:0 14px;
    font-size:15px;
  }
  .sidebar-backdrop{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.5);
    z-index:998;
    backdrop-filter:blur(2px);
    -webkit-backdrop-filter:blur(2px);
  }
  .sidebar{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    z-index:999;
    box-shadow:4px 0 28px rgba(0,0,0,0.35);
    margin-left:0 !important;
    transform:translateX(0);
  }
  .app-shell.sidebar-collapsed .sidebar{
    transform:translateX(-100%);
  }
  .app-shell:not(.sidebar-collapsed) .sidebar-backdrop{
    display:block;
  }

  /* Course detail: stacked layout with video on top, conspect/cues below */
  .course-detail{
    flex-direction:column;
    height:auto;
    min-height:0;
    overflow:visible;
  }
  .course-detail .left{
    flex:none;
    width:100%;
    padding:12px 14px;
    overflow-y:visible;
  }
  .course-detail .right{
    width:100%;
    min-width:0;
    max-width:none;
    flex:none;
    border-left:none;
    border-top:1px solid var(--border);
    min-height:0;
    height:auto;
  }
  .conspect-container{
    min-height:0;
    height:auto;
  }
  .conspect-panel{
    padding:14px 16px;
    font-size:14px;
    max-height:550px;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .conspect-container.fullscreen .conspect-panel{
    max-height:none !important;
  }
  .conspect-editor-wrapper{
    min-height:420px;
    max-height:550px;
  }
  .conspect-container.fullscreen .conspect-editor-wrapper{
    max-height:none !important;
  }
  #conspect-editor{
    min-height:360px;
  }
  .cue-list{
    max-height:550px;
  }
  .course-list{
    grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
    gap:10px;
  }
  .content{
    padding:14px;
  }

  /* Fullscreen overlay on mobile: safe margins, touch-friendly hit areas */
  .video-fs-overlay,
  #video-fs-overlay:popover-open{
    top: max(14px, env(safe-area-inset-top, 14px)) !important;
    right: max(12px, env(safe-area-inset-right, 12px)) !important;
    padding: 6px 8px !important;
    gap: 6px !important;
  }
  .video-fs-btn{
    min-height: 38px;
    min-width: 38px;
    padding: 7px 12px;
    font-size: 13px;
    justify-content: center;
  }
  .video-fs-exit-btn{
    padding: 7px 10px;
    min-width: 38px;
    min-height: 38px;
  }
  .video-fs-speed-wrap{
    min-height: 38px;
    padding: 3px 8px;
  }
  .video-fs-speed-select{
    font-size: 13px;
    padding: 6px 3px;
  }
  .video-fs-feedback{
    max-width: 180px;
    font-size: 11px;
  }
}

/* ==========================================================================
   Course Folders & Tags Styles
   ========================================================================== */

.form-group-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}
.form-grid-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  width: 100%;
  margin-top: 8px;
}
@media (max-width: 640px) {
  .form-grid-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}
.popular-tags-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.popular-tags-label {
  font-size: 12px;
  color: var(--text-2);
}
.popular-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.course-folder-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.25);
  white-space: nowrap;
}
[data-theme="dark"] .course-folder-badge {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.tag-chip-clickable {
  cursor: pointer;
  user-select: none;
}
.tag-chip-clickable:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.tag-chip-clickable.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.35);
}

.course-tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

/* Home Filters Bar */
.home-filters-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.filter-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.filter-count {
  font-size: 12px;
  color: var(--text-2);
}
.folder-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 20px;
  background: var(--bg);
  color: var(--text-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.filter-pill:hover {
  background: var(--accent-soft);
  color: var(--text);
  border-color: var(--accent);
}
.filter-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.filter-pill-count {
  font-size: 11px;
  opacity: 0.9;
  background: rgba(0, 0, 0, 0.12);
  padding: 1px 6px;
  border-radius: 10px;
}
[data-theme="dark"] .filter-pill-count {
  background: rgba(255, 255, 255, 0.18);
}
.tags-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.tags-filter-title {
  font-size: 11.5px;
  color: var(--text-2);
  margin-right: 4px;
}

/* Course Card Enhancements */
.course-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 6px;
}
.course-card-meta-btn {
  background: transparent;
  border: none;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 4px;
  opacity: 0.6;
  transition: all 0.15s ease;
}
.course-card-meta-btn:hover {
  opacity: 1;
  background: var(--accent-soft);
  color: var(--accent);
}
.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  gap: 6px;
}

/* Sidebar Folders */
.sidebar-folder-group {
  margin-bottom: 4px;
}
.sidebar-folder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-2);
  cursor: pointer;
  border-radius: 6px;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-folder-header:hover {
  background: var(--surface-hover);
  color: var(--text);
}
.sidebar-folder-title {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-folder-arrow {
  font-size: 10px;
  transition: transform 0.2s ease;
  display: inline-block;
}
.sidebar-folder-arrow.collapsed {
  transform: rotate(-90deg);
}
.sidebar-folder-count {
  font-size: 11px;
  background: var(--border);
  padding: 1px 6px;
  border-radius: 10px;
  color: var(--text-2);
}
.sidebar-folder-courses {
  display: flex;
  flex-direction: column;
  padding-left: 8px;
  margin-top: 2px;
}
.sidebar-folder-courses.collapsed {
  display: none;
}
.course-head.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

/* Course Meta Modal */
.meta-edit-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.meta-edit-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
}
.meta-edit-input {
  width: 100%;
  padding: 8px 12px;
  font-size: 13.5px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  outline: none;
  box-sizing: border-box;
}
.meta-edit-input:focus {
  border-color: var(--accent);
}

.course-top-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

/* Disk Usage Indicator */
.disk-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px 5px 12px;
  font-size: 12.5px;
  font-weight: 500;
  background: var(--surface);
  color: var(--text-2);
  user-select: none;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.disk-indicator:hover {
  border-color: var(--accent);
  background: var(--border-soft);
}
.disk-indicator:active {
  transform: scale(0.98);
}
.disk-icon {
  font-size: 15px;
  line-height: 1;
}
.disk-details {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.disk-text-line {
  display: flex;
  align-items: center;
  gap: 6px;
  line-height: 1.2;
}
.disk-name {
  color: var(--text-3);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}
.disk-free-val {
  color: var(--text);
  font-weight: 600;
  font-size: 12.5px;
}
.disk-free-val strong {
  color: var(--accent);
}
.disk-total-subtext {
  font-weight: normal;
  color: var(--text-3);
  font-size: 11.5px;
}
.disk-progress {
  width: 100px;
  height: 4px;
  background: var(--border-soft);
  border-radius: 2px;
  overflow: hidden;
}
[data-theme="dark"] .disk-progress {
  background: var(--border);
}
.disk-progress-bar {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  transition: width .3s ease, background .3s ease;
}
.disk-progress-bar.warning {
  background: var(--warning);
}
.disk-progress-bar.danger {
  background: oklch(0.6 0.2 25);
}
@media (max-width: 640px) {
  .disk-progress {
    display: none;
  }
  .disk-name {
    display: none;
  }
  .disk-total-subtext {
    display: none;
  }
  .disk-indicator {
    padding: 4px 10px;
    font-size: 12px;
    gap: 6px;
  }
}

/* Wishlist Styles */
.wishlist-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.wishlist-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.wishlist-card:hover {
  border-color: var(--text-3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.wishlist-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.wishlist-card-title-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}
.wishlist-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}
.wishlist-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.wishlist-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.wishlist-download-btn:hover {
  background: var(--accent-dark);
}
.wishlist-download-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.wishlist-edit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
}
.wishlist-edit-btn:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}
.wishlist-delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.wishlist-delete-btn:hover {
  background: oklch(0.94 0.06 25);
  color: oklch(0.5 0.16 25);
  border-color: oklch(0.8 0.1 25);
}
[data-theme="dark"] .wishlist-delete-btn:hover {
  background: oklch(0.28 0.08 25);
  color: oklch(0.78 0.14 25);
  border-color: oklch(0.4 0.1 25);
}
.wishlist-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px dashed var(--border);
  padding-top: 10px;
  font-size: 12px;
  color: var(--text-3);
  flex-wrap: wrap;
}
.wishlist-url-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--accent);
  font-family: monospace;
  font-size: 11.5px;
  word-break: break-all;
  max-width: 600px;
  text-decoration: none;
}
.wishlist-url-link:hover {
  text-decoration: underline;
}
.wishlist-pw-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-weight: 500;
  border-radius: 6px;
  background: var(--border-soft);
  color: var(--text);
  border: 1px solid var(--border);
}

.wishlist-card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.wishlist-size-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
  border: 1px solid rgba(59, 130, 246, 0.28);
  white-space: nowrap;
}

[data-theme="dark"] .wishlist-size-badge {
  background: rgba(96, 165, 250, 0.15);
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.3);
}

.llm-test-action-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.llm-test-meta-info {
  font-size: 12.5px;
  color: var(--text-2);
}
.llm-test-result-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
}
.llm-test-status-line {
  display: flex;
  align-items: center;
  gap: 10px;
}
.llm-test-duration {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
}
.llm-test-details {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.llm-test-details.error {
  color: oklch(0.5 0.16 25);
  background: oklch(0.98 0.02 25);
  border-color: oklch(0.85 0.08 25);
}
[data-theme="dark"] .llm-test-details.error {
  color: oklch(0.8 0.15 25);
  background: oklch(0.2 0.04 25);
  border-color: oklch(0.35 0.08 25);
}

/* Выделенная кнопка в dropdown (скачать курс офлайн) */
.video-more-item--highlight {
  color: var(--accent);
  font-weight: 700;
}
.video-more-item--highlight svg {
  color: var(--accent);
}
.video-more-item--highlight:hover {
  background: var(--accent);
  color: #fff;
}
.video-more-item--highlight:hover svg {
  color: #fff;
}
.video-more-item--highlight:disabled {
  opacity: 0.6;
  cursor: wait;
}

:root:not([data-admin="true"]) .admin-only,
:root:not([data-admin="true"]) #edit-conspect-btn,
:root:not([data-admin="true"]) #video-snap-btn,
:root:not([data-admin="true"]) #video-fs-snap-btn,
:root:not([data-admin="true"]) #edit-course-meta-btn,
:root:not([data-admin="true"]) #lesson-edit-folders-btn,
:root:not([data-admin="true"]) #open-server-folder-btn,
:root:not([data-admin="true"]) #disk-indicator { display:none !important; }

:root:not([data-admin="true"]) .ci-actions {display:none!important}
.accounts-page {overflow:auto;line-height:1.6}
.accounts-page h1 {font-size:30px;margin:20px 0 8px}
.accounts-page h2 {font-size:20px;margin:0 0 16px}
.accounts-page #create,.accounts-page .account-card {background:var(--surface);border:1px solid var(--border)!important;border-radius:16px;padding:24px;margin-top:24px}
.accounts-page label {display:block;margin:12px 0;color:var(--text-2);font-size:14px}
.accounts-page input:not([type=checkbox]) {display:block;width:100%;min-height:44px;border:1px solid var(--border);border-radius:8px;padding:10px 12px;background:var(--bg);color:var(--text);font:inherit;margin-top:6px}
.accounts-page input[type=checkbox] {width:18px;height:18px;vertical-align:middle;accent-color:var(--accent);margin-right:8px}
.accounts-page button {min-height:42px;border:0;border-radius:8px;padding:10px 20px;background:var(--accent);color:white;font:inherit;cursor:pointer;margin-top:12px}
.accounts-page #message {color:var(--accent);min-height:24px}
.accounts-page button:disabled {opacity:.6;cursor:wait}