@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&display=swap');

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
:root {
  --bg-darkest: #141416;
  --bg-dark: #1a1a1e;
  --bg-mid: #222228;
  --bg-light: #2a2a32;
  --bg-lighter: #35353f;
  --border: #3a3a44;
  --border-light: #4a4a56;
  --text: #e0e0e6;
  --text-dim: #8888a0;
  --text-muted: #5a5a70;
  --accent: #5b8af5;
  --accent-glow: #5b8af540;
  --accent2: #d76b2b;
  --accent3: #5bf5a0;
  --accent4: #f55b8a;
  --clip-video: #6a5acd;
  --clip-audio: #2a9d8f;
  --clip-graphic: #3ac565;
  --clip-effect: #c5823a;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --topbar-h: 38px;
  --toolbar-w: 48px;
  --project-panel-w: 220px;
  --right-panel-w: 260px;
  --bottom-panel-h: 280px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
/* ━━━━ LIGHT MODE ━━━━ */
[data-theme="light"] {
  --bg-darkest: #fae7cd;
  --bg-dark: #f5dbb8;
  --bg-mid: #eedcbe;
  --bg-light: #e8d2b0;
  --bg-lighter: #dfc8a2;
  --border: #d4b896;
  --border-light: #c9a97e;
  --text: #2a1f14;
  --text-dim: #6b5a45;
  --text-muted: #a08a70;
  --accent: #5783b3;
  --accent-glow: #5783b340;
  --shadow: 0 4px 20px rgba(120,80,40,0.15);
}
[data-theme="light"] ::-webkit-scrollbar-track { background:rgba(0,0,0,0.05); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background:#d76b2b; }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background:#b55a23; }
[data-theme="light"] .start-screen { background:linear-gradient(180deg,#fae7cd,#f5dbb8 50%,#eedcbe); }
[data-theme="light"] .start-logo { background:linear-gradient(90deg,#5783b3,#d76b2b,#5783b3); -webkit-background-clip:text; background-clip:text; }
[data-theme="light"] .start-subtitle { color:rgba(215,107,43,0.8); }
[data-theme="light"] .landscape-hint { background:var(--bg-dark); color:var(--text); box-shadow:0 4px 24px rgba(120,80,40,0.25); }
[data-theme="light"] .monitor-viewport { background:radial-gradient(ellipse at center, #e8d2b0 0%, #dfc8a2 100%); }
[data-theme="light"] .monitor-viewport #monitorCanvas { background:#f5dbb8; }
[data-theme="light"] .modal-overlay { background:rgba(120,80,40,0.4); }
[data-theme="light"] .export-overlay { background:rgba(120,80,40,0.85); }
[data-theme="light"] .ctx-menu .ctx-item:hover { color:#fff; }

html, body { height:100%; overflow:hidden; background:var(--bg-darkest); color:var(--text); font-family:'Nunito',sans-serif; font-size:13px; touch-action:none; }

/* ━━━━ APP LAYOUT ━━━━ */
.app { display:grid; height:100vh; height:100dvh; grid-template-rows:var(--topbar-h) 1fr; grid-template-columns:1fr; }
@media(min-width:768px){
  .app.editor {
    grid-template-columns:var(--toolbar-w) var(--project-panel-w) 1fr var(--right-panel-w);
    grid-template-rows:var(--topbar-h) 1fr var(--bottom-panel-h);
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      "toolbar  project monitor props"
      "toolbar  bottom  bottom  bottom";
  }
  .app.editor.toolbar-collapsed {
    grid-template-columns:0px var(--project-panel-w) 1fr var(--right-panel-w);
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      ".        project monitor props"
      ".        bottom  bottom  bottom";
  }
  .app.editor.toolbar-collapsed.left-collapsed {
    grid-template-columns:0px 0px 1fr var(--right-panel-w);
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      ".        .       monitor props"
      ".        bottom  bottom  bottom";
  }
  .app.editor.toolbar-collapsed.right-collapsed {
    grid-template-columns:0px var(--project-panel-w) 1fr 0px;
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      ".        project monitor ."
      ".        bottom  bottom  bottom";
  }
  .app.editor.toolbar-collapsed.left-collapsed.right-collapsed {
    grid-template-columns:0px 0px 1fr 0px;
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      ".        .       monitor ."
      ".        bottom  bottom  bottom";
  }
  .app.editor.left-collapsed {
    grid-template-columns:var(--toolbar-w) 0px 1fr var(--right-panel-w);
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      "toolbar  .       monitor props"
      "toolbar  bottom  bottom  bottom";
  }
  .app.editor.right-collapsed {
    grid-template-columns:var(--toolbar-w) var(--project-panel-w) 1fr 0px;
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      "toolbar  project monitor ."
      "toolbar  bottom  bottom  bottom";
  }
  .app.editor.left-collapsed.right-collapsed {
    grid-template-columns:var(--toolbar-w) 0px 1fr 0px;
    grid-template-areas:
      "topbar   topbar  topbar  topbar"
      "toolbar  .       monitor ."
      "toolbar  bottom  bottom  bottom";
  }
}

/* ━━━━ TOPBAR ━━━━ */
.topbar { grid-area:topbar; background:var(--bg-dark); border-bottom:1px solid var(--border); display:flex; align-items:center; padding:0 10px; gap:8px; z-index:20; min-height:var(--topbar-h); }
.dashboard-btn {
  display:inline-flex; align-items:center; gap:4px; text-decoration:none;
  font-family:'Nunito',sans-serif; font-weight:600; font-size:11px;
  color:#fff; background:#d76b2b; padding:4px 12px; border-radius:5px;
  letter-spacing:0.5px; white-space:nowrap; transition:all 0.15s; flex-shrink:0;
}
.dashboard-btn:hover { background:#b55a23; box-shadow:0 0 12px var(--accent-glow); }
.topbar .logo { font-family:'Nunito',sans-serif; font-weight:600; font-size:11px; color:var(--accent); letter-spacing:1px; white-space:nowrap; cursor:default; }
.topbar .sep { width:1px; height:16px; background:var(--border); flex-shrink:0; }
.topbar .file-info { color:var(--text-dim); font-size:10px; font-family:'Nunito',sans-serif; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.topbar .right { margin-left:auto; display:flex; align-items:center; gap:6px; flex-shrink:0; }
.topbar .topbar-btn { background:none; border:none; color:var(--text-dim); cursor:pointer; width:28px; height:28px; display:flex; align-items:center; justify-content:center; border-radius:4px; transition:all 0.15s; flex-shrink:0; }
.topbar .topbar-btn:hover:not(.disabled) { background:var(--bg-light); color:var(--text); }
.topbar .topbar-btn.disabled { opacity:0.3; cursor:default; pointer-events:none; }
.topbar .topbar-btn svg { width:16px; height:16px; }
.tb-btn { background:var(--bg-light); color:var(--text); border:1px solid var(--border); padding:3px 10px; border-radius:4px; font-size:10px; font-weight:600; cursor:pointer; font-family:'Nunito',sans-serif; transition:all 0.15s; white-space:nowrap; }
.tb-btn:hover { border-color:var(--accent); color:var(--accent); }
.tb-btn.primary { background:var(--accent); color:#fff; border-color:var(--accent); }
.tb-btn.primary:hover { filter:brightness(1.15); }

/* ━━━━ TOOLBAR ━━━━ */
.toolbar {
  background:var(--bg-dark); border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; padding:0 6px; gap:2px;
  min-height:var(--toolbar-w); overflow-x:auto; z-index:15;
}
@media(min-width:768px){
  .toolbar {
    grid-area:toolbar;
    flex-direction:column; justify-content:flex-start;
    border-bottom:none; border-right:1px solid var(--border);
    padding:8px 0; overflow-x:visible; overflow-y:auto;
    min-height:auto;
  }
}
.toolbar button {
  width:36px; height:36px; min-width:36px; border:none; background:transparent; color:var(--text-dim);
  border-radius:6px; cursor:pointer; display:flex; align-items:center; justify-content:center;
  transition:all 0.15s; position:relative;
}
.toolbar button:hover { background:var(--bg-light); color:var(--text); }
.toolbar button.active { background:var(--accent); color:#fff; box-shadow:0 0 12px var(--accent-glow); }
.toolbar button svg { width:18px; height:18px; }
.toolbar .tool-sep { width:1px; height:24px; background:var(--border); margin:0 4px; flex-shrink:0; }
@media(min-width:768px){ .toolbar .tool-sep { width:24px; height:1px; margin:4px 0; } }

/* ━━━━ PROJECT PANEL ━━━━ */
.project-panel { grid-area:project; background:var(--bg-dark); border-right:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden; position:relative; z-index:10; }
.project-panel .panel-header { display:flex; align-items:center; padding:6px 10px; border-bottom:1px solid var(--border); gap:6px; min-height:32px; }
.project-panel .panel-header span { font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; color:var(--text-dim); letter-spacing:0.5px; text-transform:uppercase; }
.project-panel .import-btn { background:var(--accent); color:#fff; border:none; padding:2px 8px; border-radius:3px; font-size:10px; cursor:pointer; margin-left:auto; font-family:'Nunito',sans-serif; font-weight:600; }
.project-panel .import-btn:hover { filter:brightness(1.15); }
.project-panel .search-bar { margin:6px 8px; padding:4px 8px; background:var(--bg-mid); border:1px solid var(--border); border-radius:4px; color:var(--text); font-size:11px; font-family:'Nunito',sans-serif; outline:none; }
.project-panel .search-bar:focus { border-color:var(--accent); }
.media-list { flex:1; overflow-y:auto; padding:4px; }
.media-item { display:flex; align-items:center; gap:8px; padding:6px 8px; border-radius:4px; cursor:pointer; transition:background 0.1s; user-select:none; }
.media-item:hover { background:var(--bg-light); }
.media-item.selected { background:rgba(91,138,245,0.12); border:1px solid rgba(91,138,245,0.25); }
.media-item .thumb { width:48px; height:32px; background:var(--bg-mid); border-radius:3px; overflow:hidden; flex-shrink:0; display:flex; align-items:center; justify-content:center; }
.media-item .thumb img, .media-item .thumb video { width:100%; height:100%; object-fit:cover; }
.media-item .info { flex:1; min-width:0; }
.media-item .info .name { font-size:11px; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.media-item .info .meta { font-size:9px; color:var(--text-dim); font-family:'Nunito',sans-serif; }
.media-item[draggable="true"] { cursor:grab; }
.media-item[draggable="true"]:active { cursor:grabbing; }
.bin-item { display:flex; align-items:center; gap:6px; padding:4px 8px; border-radius:4px; cursor:pointer; font-size:11px; color:var(--text-dim); transition:background 0.1s; }
/* Project panel tree view */
.bin-item { display:flex; align-items:center; gap:4px; padding:4px 8px; border-radius:4px; cursor:pointer; font-size:11px; color:var(--text-dim); transition:background 0.1s; user-select:none; font-family:'Nunito',sans-serif; }
.bin-item:hover { background:var(--bg-light); color:var(--text); }
.bin-item.active { color:var(--accent); font-weight:600; }
.bin-item.drag-over { background:var(--accent) !important; color:#fff !important; outline:2px dashed rgba(255,255,255,0.4); outline-offset:-2px; }
.expand-btn { background:none; border:none; color:var(--text-muted); cursor:pointer; padding:0; width:10px; height:10px; display:inline-flex; align-items:center; justify-content:center; flex-shrink:0; border-radius:2px; }
.expand-btn:hover { color:var(--text); }
.sort-bar { display:flex; align-items:center; gap:3px; padding:3px 8px 4px; border-bottom:1px solid var(--border); }
.sort-bar button { background:none; border:1px solid var(--border); color:var(--text-muted); font-size:9px; font-family:'Nunito',sans-serif; padding:2px 6px; border-radius:3px; cursor:pointer; transition:all 0.15s; }
.sort-bar button:hover { color:var(--text); border-color:var(--border-light); }
.sort-bar button.active { color:var(--accent); border-color:var(--accent); background:rgba(91,138,245,0.08); font-weight:600; }
.sort-bar .dir-btn { margin-left:auto; font-size:11px; padding:1px 5px; }
.seq-item { display:flex; align-items:center; gap:8px; padding:6px 8px; border-radius:4px; cursor:pointer; transition:background 0.1s; }
.seq-item:hover { background:var(--bg-light); }
.seq-item.active { background:rgba(91,138,245,0.12); border:1px solid rgba(91,138,245,0.25); }
.seq-item .info .name { font-size:11px; color:var(--accent); font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* ━━━━ PROGRAM MONITOR ━━━━ */
.monitor { grid-area:monitor; background:var(--bg-darkest); display:flex; flex-direction:column; overflow:hidden; position:relative; }
.monitor-viewport { flex:1; display:flex; align-items:center; justify-content:center; background:radial-gradient(ellipse at center, #1a1a22 0%, #111114 100%); overflow:hidden; position:relative; }
.monitor-viewport canvas { max-width:100%; max-height:100%; }
.monitor-viewport #monitorCanvas { background:#000; cursor:crosshair; }
.monitor-viewport .overlay-canvas { position:absolute; background:transparent; cursor:default; }
.monitor-viewport .gizmo-canvas { position:absolute; cursor:default; }
.monitor-transport { display:flex; align-items:center; gap:8px; padding:6px 12px; background:var(--bg-dark); border-top:1px solid var(--border); min-height:36px; flex-wrap:wrap; }
.monitor-transport .timecode { font-family:'Nunito',sans-serif; font-size:12px; color:var(--accent2); letter-spacing:1px; min-width:90px; }
.monitor-transport .transport-btn { background:none; border:none; color:var(--text-dim); cursor:pointer; width:28px; height:28px; display:flex; align-items:center; justify-content:center; border-radius:4px; font-size:14px; transition:all 0.15s; }
.monitor-transport .transport-btn:hover { background:var(--bg-light); color:var(--text); }
.monitor-transport .transport-btn.playing { color:var(--accent); }
.monitor-transport .duration { font-family:'Nunito',sans-serif; font-size:10px; color:var(--text-dim); }
.guide-toggles { display:flex; gap:2px; margin-left:auto; }
.guide-toggles button { background:none; border:1px solid var(--border); color:var(--text-muted); font-size:9px; font-family:'Nunito',sans-serif; padding:2px 6px; border-radius:3px; cursor:pointer; transition:all 0.15s; }
.guide-toggles button:hover { color:var(--text); border-color:var(--accent); }
.guide-toggles button.on { color:var(--accent); border-color:var(--accent); background:rgba(91,138,245,0.1); }
.monitor-zoom-bar { display:flex; align-items:center; gap:6px; padding:3px 12px; background:var(--bg-darkest); border-top:1px solid var(--border); }
.monitor-zoom-bar .zoom-label { font-family:'Nunito',sans-serif; font-size:9px; color:var(--text-muted); letter-spacing:0.3px; }
.monitor-zoom-bar select { background:var(--bg-mid); border:1px solid var(--border); color:var(--text); font-size:10px; font-family:'Nunito',sans-serif; padding:2px 4px; border-radius:3px; outline:none; cursor:pointer; }
.monitor-zoom-bar select:focus { border-color:var(--accent); }
.monitor-zoom-bar .zoom-fit-btn { background:none; border:1px solid var(--border); color:var(--text-dim); font-size:9px; font-family:'Nunito',sans-serif; padding:2px 7px; border-radius:3px; cursor:pointer; transition:all 0.15s; }
.monitor-zoom-bar .zoom-fit-btn:hover { color:var(--text); border-color:var(--accent); }

/* ━━━━ PROPERTIES/EFFECTS PANEL ━━━━ */
.properties-panel { grid-area:props; background:var(--bg-dark); border-left:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden; }
.properties-panel .panel-header { display:flex; align-items:center; border-bottom:1px solid var(--border); min-height:32px; }
.properties-panel .panel-header button { flex:1; background:none; border:none; color:var(--text-dim); font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; letter-spacing:0.5px; padding:8px 4px; cursor:pointer; border-bottom:2px solid transparent; transition:all 0.15s; }
.properties-panel .panel-header button:hover { color:var(--text); background:var(--bg-mid); }
.properties-panel .panel-header button.active { color:var(--accent); border-bottom-color:var(--accent); }
.props-content { flex:1; overflow-y:auto; padding:8px; }
.prop-section { margin-bottom:12px; }
.prop-section-header { font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; color:var(--text-dim); letter-spacing:0.5px; text-transform:uppercase; padding:4px 0; border-bottom:1px solid var(--border); margin-bottom:6px; display:flex; align-items:center; gap:4px; }
.prop-row { display:flex; align-items:center; gap:6px; padding:2px 0; }
.prop-row label { font-size:11px; color:var(--text-dim); min-width:70px; flex-shrink:0; }
.prop-row input[type="number"], .prop-row input[type="text"] { flex:1; background:var(--bg-mid); border:1px solid var(--border); color:var(--text); font-size:11px; padding:3px 6px; border-radius:3px; font-family:'Nunito',sans-serif; outline:none; min-width:0; }
.prop-row input:focus { border-color:var(--accent); }
.prop-row input[type="color"] { width:28px; height:22px; border:1px solid var(--border); border-radius:3px; cursor:pointer; background:var(--bg-mid); padding:1px; }
.prop-row input[type="range"] { -webkit-appearance:none; height:18px; background:transparent; outline:none; cursor:pointer; border:none; flex:1; padding:0; margin:0; }
.prop-row input[type="range"]::-webkit-slider-runnable-track { height:4px; background:var(--bg-lighter); border-radius:2px; }
.prop-row input[type="range"]::-webkit-slider-thumb { -webkit-appearance:none; width:14px; height:14px; border-radius:50%; background:var(--accent); cursor:pointer; margin-top:-5px; box-shadow:0 0 4px rgba(0,0,0,0.4); }
.prop-row input[type="range"]::-webkit-slider-thumb:hover { background:#7aa4ff; transform:scale(1.15); }
.prop-row input[type="range"]::-moz-range-track { height:4px; background:var(--bg-lighter); border-radius:2px; border:none; }
.prop-row input[type="range"]::-moz-range-thumb { width:14px; height:14px; border-radius:50%; background:var(--accent); cursor:pointer; border:none; }
.slider-num { width:48px !important; min-width:48px !important; flex:0 0 48px !important; background:var(--bg-mid); border:1px solid var(--border); color:var(--text); font-size:10px; padding:2px 4px; border-radius:3px; font-family:'Nunito',sans-serif; outline:none; text-align:right; -moz-appearance:textfield; }
.slider-num::-webkit-inner-spin-button, .slider-num::-webkit-outer-spin-button { -webkit-appearance:none; margin:0; }
.slider-num:focus { border-color:var(--accent); }
.slider-unit { font-size:9px; color:var(--text-muted); font-family:'Nunito',sans-serif; min-width:12px; flex-shrink:0; }
.prop-row select { flex:1; background:var(--bg-mid); border:1px solid var(--border); color:var(--text); font-size:11px; padding:3px 6px; border-radius:3px; font-family:'Nunito',sans-serif; outline:none; cursor:pointer; }
.effect-item { display:flex; align-items:center; gap:8px; padding:6px 8px; border-radius:4px; cursor:pointer; transition:background 0.1s; font-size:11px; }
.effect-item:hover { background:var(--bg-light); }
.effect-item .fx-icon { width:24px; height:24px; border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:10px; font-weight:700; color:#fff; flex-shrink:0; }
.effect-item .fx-name { color:var(--text); }
.effect-item .fx-cat { font-size:9px; color:var(--text-muted); font-family:'Nunito',sans-serif; }
.applied-fx { padding:6px 8px; margin-bottom:4px; background:var(--bg-mid); border-radius:4px; border:1px solid var(--border); }
.applied-fx .fx-header { display:flex; align-items:center; gap:6px; font-size:11px; font-weight:600; margin-bottom:4px; }
.applied-fx .fx-remove { margin-left:auto; background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:12px; }
.applied-fx .fx-remove:hover { color:var(--accent4); }

/* ━━━━ BOTTOM PANEL ━━━━ */
.bottom-panel { grid-area:bottom; background:var(--bg-dark); border-top:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden; position:relative; }
.app.editor.bottom-collapsed { grid-template-rows:var(--topbar-h) 1fr 0px; }
.app.editor.bottom-collapsed .bottom-panel { display:none; }
.panel-tab.tab-bottom { bottom:0; left:50%; transform:translateX(-50%); padding:6px 18px; border-radius:8px 8px 0 0; border-bottom:none; --tab-slide-y:20px; }
.bottom-panel-tabs { display:flex; align-items:center; border-bottom:1px solid var(--border); min-height:32px; padding:0 8px; gap:0; }
.bottom-panel-tabs button { background:none; border:none; color:var(--text-dim); font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; letter-spacing:0.5px; padding:8px 12px; cursor:pointer; border-bottom:2px solid transparent; transition:all 0.15s; }
.bottom-panel-tabs button:hover { color:var(--text); }
.bottom-panel-tabs button.active { color:var(--accent); border-bottom-color:var(--accent); }
.bottom-panel-tabs .playback-controls { display:flex; align-items:center; gap:4px; margin-left:12px; padding-left:12px; border-left:1px solid var(--border); }
.bottom-panel-tabs .playback-controls button { padding:4px 6px; font-size:12px; letter-spacing:0; border-bottom:none; }
.bottom-panel-tabs .playback-time { font-family:'Nunito',sans-serif; font-size:10px; color:var(--accent2); padding:0 6px; }
.zoom-control { display:flex; align-items:center; gap:4px; margin-left:auto; padding-left:12px; border-left:1px solid var(--border); }
.zoom-control input[type="range"] { width:80px; -webkit-appearance:none; height:16px; background:transparent; outline:none; cursor:pointer; }
.zoom-control input[type="range"]::-webkit-slider-runnable-track { height:3px; background:var(--bg-lighter); border-radius:2px; }
.zoom-control input[type="range"]::-webkit-slider-thumb { -webkit-appearance:none; width:12px; height:12px; border-radius:50%; background:var(--accent); cursor:pointer; margin-top:-4.5px; }
.zoom-control input[type="range"]::-moz-range-track { height:3px; background:var(--bg-lighter); border-radius:2px; border:none; }
.zoom-control input[type="range"]::-moz-range-thumb { width:12px; height:12px; border-radius:50%; background:var(--accent); cursor:pointer; border:none; }
.zoom-control span { font-family:'Nunito',sans-serif; font-size:9px; color:var(--text-muted); min-width:32px; }
.zoom-control button { background:none; border:1px solid var(--border); color:var(--text-dim); font-size:9px; font-family:'Nunito',sans-serif; padding:2px 6px; border-radius:3px; cursor:pointer; }
.zoom-control button:hover { color:var(--accent); border-color:var(--accent); }

/* ━━━━ TIMELINE ━━━━ */
.timeline-wrap { flex:1; display:flex; overflow:hidden; }
.tl-sidebar { width:140px; flex-shrink:0; background:var(--bg-dark); border-right:1px solid var(--border); overflow-y:auto; overflow-x:hidden; }
.tl-track-header { display:flex; align-items:center; padding:0 6px; border-bottom:1px solid var(--border); font-family:'Nunito',sans-serif; font-size:10px; gap:4px; }
.tl-track-header .track-name { font-weight:600; min-width:24px; }
.tl-track-header .track-name.video { color:var(--accent); }
.tl-track-header .track-name.audio { color:var(--clip-audio); }
.tl-track-header .track-btn { background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:10px; padding:2px; border-radius:2px; width:20px; height:20px; display:flex; align-items:center; justify-content:center; }
.tl-track-header .track-btn:hover { background:var(--bg-light); color:var(--text); }
.tl-track-header .track-btn.active { color:var(--accent); }
.tl-tracks-canvas { flex:1; position:relative; overflow:hidden; }
.tl-tracks-canvas canvas { position:absolute; top:0; left:0; }
.tl-empty { flex:1; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:12px; color:var(--text-muted); }
.tl-empty .tl-empty-text { font-size:13px; text-align:center; line-height:1.6; }
.tl-empty button { padding:8px 16px; }

/* ━━━━ PANEL TABS (collapse indicators) ━━━━ */
.panel-tab { position:fixed; z-index:200; display:none; align-items:center; justify-content:center; gap:6px; background:var(--bg-dark); border:1px solid var(--border); color:var(--accent); cursor:pointer; font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; letter-spacing:0.8px; text-transform:uppercase; backdrop-filter:blur(12px); box-shadow:var(--shadow); transition:all 0.25s; user-select:none; }
.panel-tab:hover { background:var(--bg-light); color:#fff; }
.panel-tab.visible { display:flex; animation:tabAppear 0.3s ease; }
@keyframes tabAppear { from { opacity:0; transform:translate(var(--tab-slide-x,0),var(--tab-slide-y,0)); } to { opacity:1; } }
.panel-tab.tab-left { left:var(--toolbar-w); top:50%; transform:translateY(-50%); writing-mode:vertical-rl; text-orientation:mixed; padding:14px 7px; border-radius:0 8px 8px 0; border-left:none; --tab-slide-x:-20px; }
.panel-tab.tab-toolbar { left:0; top:50%; transform:translateY(-50%); writing-mode:vertical-rl; text-orientation:mixed; padding:14px 7px; border-radius:0 8px 8px 0; border-left:none; --tab-slide-x:-20px; }
.app.editor.toolbar-collapsed .panel-tab.tab-left { left:0; }
.panel-tab.tab-right { right:0; top:50%; transform:translateY(-50%); writing-mode:vertical-rl; text-orientation:mixed; padding:14px 7px; border-radius:8px 0 0 8px; border-right:none; --tab-slide-x:20px; }

/* ━━━━ CONTEXT MENU ━━━━ */
.ctx-menu { position:fixed; background:var(--bg-mid); border:1px solid var(--border); border-radius:6px; padding:4px 0; min-width:180px; z-index:500; box-shadow:var(--shadow); }
.ctx-menu .ctx-item { display:flex; align-items:center; gap:8px; padding:6px 14px; font-size:11px; cursor:pointer; color:var(--text); transition:background 0.1s; }
.ctx-menu .ctx-item:hover { background:var(--accent); color:#fff; }
.ctx-menu .ctx-item.disabled { opacity:0.4; pointer-events:none; }
.ctx-menu .ctx-sep { height:1px; background:var(--border); margin:4px 0; }
.ctx-menu .ctx-shortcut { margin-left:auto; font-family:'Nunito',sans-serif; font-size:9px; color:var(--text-muted); }

/* ━━━━ MODAL ━━━━ */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.7); z-index:900; display:flex; align-items:center; justify-content:center; }
.modal { background:var(--bg-dark); border:1px solid var(--border); border-radius:10px; padding:24px; min-width:340px; max-width:460px; box-shadow:var(--shadow); }
.modal h3 { font-family:'Nunito',sans-serif; font-size:14px; color:var(--accent); margin-bottom:16px; letter-spacing:0.5px; }
.modal .field { margin-bottom:12px; }
.modal .field label { display:block; font-size:11px; color:var(--text-dim); margin-bottom:4px; font-family:'Nunito',sans-serif; }
.modal .field input, .modal .field select { width:100%; padding:6px 10px; background:var(--bg-mid); border:1px solid var(--border); border-radius:4px; color:var(--text); font-size:12px; font-family:'Nunito',sans-serif; outline:none; }
.modal .field input:focus, .modal .field select:focus { border-color:var(--accent); }
.modal .field-row { display:flex; gap:8px; }
.modal .field-row .field { flex:1; }
.modal .actions { display:flex; gap:8px; justify-content:flex-end; margin-top:16px; }

/* ━━━━ START SCREEN ━━━━ */
.start-screen { position:fixed; inset:0; display:flex; align-items:center; justify-content:center; background:linear-gradient(180deg,#0a0e27,#0d1333 50%,#0a1628); z-index:10001; transition:opacity 0.5s; }
.start-screen.hiding { opacity:0; pointer-events:none; }
.start-card { text-align:center; padding:40px; max-width:520px; width:100%; position:relative; }
.start-logo { font-family:'Nunito',sans-serif; font-weight:800; font-size:48px; letter-spacing:3px; background:linear-gradient(90deg,#00d4ff,#d76b2b,#00d4ff); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; margin-bottom:8px; }
.start-subtitle { font-family:'Nunito',sans-serif; font-size:14px; color:rgba(215,107,43,0.6); letter-spacing:4px; text-transform:uppercase; margin-bottom:40px; }
.start-input { width:100%; padding:12px 20px; background:var(--bg-mid); border:1px solid var(--border); border-radius:10px; color:var(--text); font-size:15px; font-weight:600; font-family:'Nunito',sans-serif; text-align:center; outline:none; margin-bottom:20px; }
.start-input:focus { border-color:#d76b2b; box-shadow:0 0 20px rgba(215,107,43,0.15); }
.start-buttons { display:flex; gap:12px; justify-content:center; margin-bottom:20px; }
.start-btn { padding:12px 28px; border-radius:10px; font-size:14px; font-weight:700; letter-spacing:1px; text-transform:uppercase; cursor:pointer; font-family:'Nunito',sans-serif; transition:all 0.3s; border:1px solid; }
.start-btn.primary { background:linear-gradient(135deg,#d76b2b,#f6c654); border-color:#d76b2b; color:#1c1c1c; }
.start-btn.primary:hover { box-shadow:0 0 30px rgba(0,212,255,0.4); transform:translateY(-2px); }
.start-btn.secondary { background:transparent; border-color:rgba(215,107,43,0.3); color:rgba(215,107,43,0.7); }
.start-btn.secondary:hover { border-color:#d76b2b; color:#d76b2b; }
.start-footer { margin-top:24px; font-size:11px; color:var(--text-muted); }
.start-footer a { color:var(--text-dim); text-decoration:none; }
.start-footer a:hover { color:var(--accent); }
.start-glow { position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:60%; height:120px; background:radial-gradient(ellipse at center,rgba(215,107,43,0.2),transparent 70%); pointer-events:none; }

/* ━━━━ EXPORT OVERLAY ━━━━ */
.export-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.85); z-index:10000; display:flex; flex-direction:column; align-items:center; justify-content:center; color:#fff; font-family:'Nunito',sans-serif; }

/* ━━━━ SCROLLBAR ━━━━ */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:rgba(255,255,255,0.05); border-radius:3px; }
::-webkit-scrollbar-thumb { background:#f6c654; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#d76b2b; }

/* ━━━━ SMALL LANDSCAPE (≤900px) ━━━━ */
@media(max-width:900px){
  :root {
    --toolbar-w: 38px;
    --project-panel-w: 160px;
    --right-panel-w: 200px;
    --bottom-panel-h: 180px;
    --topbar-h: 32px;
  }
  html, body { font-size:11px; }
  .topbar, .toolbar, .project-panel, .properties-panel, .bottom-panel { padding:2px; gap:2px; }
  .topbar { padding-inline:4px; }
  .start-logo { font-size:32px; letter-spacing:2px; }
  .start-subtitle { font-size:11px; letter-spacing:3px; margin-bottom:28px; }
  .start-input { font-size:14px; padding:10px 16px; }
  .start-btn { padding:10px 22px; font-size:13px; }
}

/* ━━━━ VERY SMALL LANDSCAPE (≤640px) ━━━━ */
@media(max-width:640px){
  :root {
    --toolbar-w: 32px;
    --project-panel-w: 130px;
    --right-panel-w: 160px;
    --bottom-panel-h: 140px;
    --topbar-h: 28px;
  }
  html, body { font-size:10px; }
  .topbar, .toolbar, .project-panel, .properties-panel, .bottom-panel { padding:1px; gap:1px; }
  .topbar { padding-inline:3px; }
  .start-logo { font-size:26px; }
  .start-subtitle { font-size:10px; margin-bottom:24px; }
  .start-btn { padding:10px 18px; font-size:12px; }
}

/* ━━━━ MOBILE LAYOUT (stacked) ━━━━ */
@media(max-width:767px){
  /* Portrait: topbar | toolbar (top) | monitor (fills) | project | props | bottom */
  .app.editor {
    grid-template-columns:1fr !important;
    grid-template-rows:var(--topbar-h) 44px 1fr var(--m-project-h,0px) var(--m-props-h,0px) var(--m-bottom-h,0px) !important;
    grid-template-areas:
      "topbar"
      "toolbar"
      "monitor"
      "project"
      "props"
      "bottom" !important;
  }
  /* Collapsed panels shrink to 0 */
  .app.editor.toolbar-collapsed { --m-toolbar-h:0px; }
  .app.editor.left-collapsed { --m-project-h:0px; }
  .app.editor.right-collapsed { --m-props-h:0px; }
  .app.editor.bottom-collapsed { --m-bottom-h:0px; }
  .toolbar {
    grid-area:toolbar; flex-direction:row !important; justify-content:flex-start !important;
    border-right:none !important; border-top:none !important; border-bottom:1px solid var(--border) !important;
    padding:0 6px !important; overflow-x:auto !important; overflow-y:hidden !important;
    -webkit-overflow-scrolling:touch; flex-wrap:nowrap !important; touch-action:pan-x;
  }
  .toolbar button { width:40px; height:40px; min-width:40px; flex-shrink:0; }
  .tool-sep { width:1px !important; height:24px !important; margin:0 4px !important; }
  .project-panel { border-right:none; border-top:1px solid var(--border); overflow-y:auto; -webkit-overflow-scrolling:touch; }
  .properties-panel { border-left:none; border-top:1px solid var(--border); overflow-y:auto; -webkit-overflow-scrolling:touch; }
  .bottom-panel { border-top:1px solid var(--border); }
  .topbar { padding:0 6px; gap:4px; overflow-x:auto; }
  .topbar .logo { font-size:10px; }
  .topbar .file-info { display:none; }
  .tb-btn { padding:3px 6px; font-size:9px; }
  .topbar-btn { width:24px; height:24px; }
  .toolbar .collapse-btn { color:var(--accent) !important; }
  .panel-resize { display:none; }
  .modal { min-width:auto; width:90vw; padding:16px; }
  /* Panel tabs at bottom */
  .panel-tab { position:static !important; writing-mode:horizontal-tb !important; text-orientation:initial !important;
    transform:none !important; border-radius:8px 8px 0 0 !important; border-bottom:none !important;
    padding:6px 14px !important; --tab-slide-x:0; --tab-slide-y:20px; }
}
/* Landscape on mobile: toolbar on left */
@media(max-width:767px) and (orientation:landscape){
  .app.editor {
    grid-template-columns:44px 1fr !important;
    grid-template-rows:var(--topbar-h) 1fr !important;
    grid-template-areas:
      "topbar topbar"
      "toolbar monitor" !important;
  }
  .toolbar {
    flex-direction:column !important; border-bottom:none !important;
    border-right:1px solid var(--border) !important;
    padding:6px 0 !important; overflow-y:auto !important; overflow-x:hidden !important;
  }
  .project-panel, .properties-panel, .bottom-panel { display:none !important; }
}

/* ━━━━ COLLAPSE CHEVRONS ━━━━ */
.collapse-btn, .toolbar .collapse-btn { background:none; border:none; color:var(--accent) !important; cursor:pointer; width:24px; height:24px; display:flex; align-items:center; justify-content:center; border-radius:3px; padding:0; flex-shrink:0; transition:all 0.15s; }
.collapse-btn:hover, .toolbar .collapse-btn:hover { background:var(--bg-light); color:#fff !important; }
.collapse-btn svg, .toolbar .collapse-btn svg { width:16px; height:16px; }

/* ━━━━ PANEL RESIZE HANDLES ━━━━ */
.panel-resize { position:absolute; z-index:20; background:transparent; transition:background 0.15s; }
.panel-resize:hover, .panel-resize.active { background:var(--accent); opacity:0.5; }
.panel-resize.resize-left { top:0; right:0; width:5px; height:100%; cursor:col-resize; }
.panel-resize.resize-right { top:0; left:0; width:5px; height:100%; cursor:col-resize; }
.panel-resize.resize-bottom { top:0; left:0; right:0; height:5px; cursor:row-resize; }

/* ━━━━ CUSTOM TOOL CURSORS ━━━━ */
.cursor-select { cursor:default; }
.cursor-trackForward { cursor:e-resize; }
.cursor-razor { cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M4 20L14 4h4l2 3-12 13H4z' fill='none' stroke='%23fff' stroke-width='1.5'/%3E%3Cpath d='M14 4l-2 3' fill='none' stroke='%23fff' stroke-width='1.5'/%3E%3C/svg%3E") 4 20, crosshair; }
.cursor-hand { cursor:grab; }
.cursor-hand:active { cursor:grabbing; }

/* ━━━━ DROP ZONE FEEDBACK ━━━━ */
.drop-highlight { background:rgba(91,138,245,0.1) !important; outline:2px dashed var(--accent); outline-offset:-2px; }

/* ━━━ LANDSCAPE SUGGESTION (dismissible) ━━━ */
.landscape-hint {
  position:fixed; top:50%; left:50%; transform:translate(-50%,-50%); z-index:10000;
  background:#1a1a1e; border:1px solid #d76b2b; border-radius:10px;
  padding:12px 20px; display:none; align-items:center; gap:12px;
  color:#e0e0e6; font-family:'Nunito',sans-serif; font-size:12px;
  box-shadow:0 4px 24px rgba(0,0,0,0.5); max-width:90vw; animation:hintSlideUp 0.3s ease;
}
@keyframes hintSlideUp { from{opacity:0;transform:translate(-50%,-50%) scale(0.95)} to{opacity:1;transform:translate(-50%,-50%) scale(1)} }
.landscape-hint svg { width:32px; height:32px; flex-shrink:0; color:#d76b2b; animation:rotateHint 2s ease-in-out infinite; }
@keyframes rotateHint { 0%,100%{transform:rotate(0deg)} 50%{transform:rotate(90deg)} }
.landscape-hint .hint-text { flex:1; }
.landscape-hint .hint-text strong { color:#d76b2b; font-weight:700; }
.landscape-hint .hint-dismiss {
  background:#d76b2b; color:#fff; border:none; border-radius:5px;
  padding:4px 12px; font-size:11px; font-weight:600; cursor:pointer; flex-shrink:0;
  font-family:'Nunito',sans-serif;
}
.landscape-hint .hint-dismiss:hover { filter:brightness(1.15); }
@media (max-width:768px) and (orientation:portrait) {
  .landscape-hint.show { display:flex; }
}