@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;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --topbar-h: 38px;
  --toolbar-w: 48px;
  --left-panel-w: 220px;
  --right-panel-w: 440px;
  --bottom-panel-h: 220px;
  --m-toolbar-h: 44px;
  --m-left-h: 20vh;
  --m-right-h: 25vh;
  --m-bottom-h: 30vh;
}
/* ━━━━ 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"] .start-input { background:var(--bg-light); border-color:var(--border); color:var(--text); }
[data-theme="light"] .start-input:focus { border-color:#d76b2b; }
[data-theme="light"] .start-card select, [data-theme="light"] .start-card input[type="number"],
[data-theme="light"] .start-row .start-field input, [data-theme="light"] .start-row .start-field select {
  background:var(--bg-light); border-color:var(--border); color:var(--text);
}
[data-theme="light"] .start-card select option, [data-theme="light"] .start-field select option { background:var(--bg-dark); color:var(--text); }
[data-theme="light"] .start-btn.secondary { border-color:rgba(215,107,43,0.4); color:#d76b2b; }
[data-theme="light"] .start-glow { background:radial-gradient(ellipse at center,rgba(87,131,179,0.15),transparent 70%); }
[data-theme="light"] .stage-viewport { background:#e8d2b0; }
[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"] .modal-backdrop { background:rgba(120,80,40,0.4); }
[data-theme="light"] .panel-overlay .panel-backdrop { background:rgba(120,80,40,0.3); }
[data-theme="light"] .stage-bar-toggle { background:rgba(245,219,184,0.7); }

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

/* ━━━ 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-row { display:flex; gap:12px; margin-bottom:12px; }
.start-row .start-field { flex:1; text-align:left; }
.start-row .start-field label, .start-field label { display:block; font-size:10px; color:var(--text-dim); margin-bottom:4px; font-family:'Nunito',sans-serif; }
.start-card select, .start-card input[type="number"], .start-row .start-field input, .start-row .start-field select, .start-field select { width:100%; padding:8px 10px; background:var(--bg-mid); border:1px solid var(--border); border-radius:10px; color:var(--text); font-size:12px; font-family:'Nunito',sans-serif; outline:none; }
.start-card select:focus, .start-row .start-field input:focus, .start-row .start-field select:focus, .start-field select:focus { border-color:#d76b2b; box-shadow:0 0 20px rgba(215,107,43,0.15); }
.start-card select option, .start-field select option { background:var(--bg-dark); color:var(--text); }
.start-card select optgroup { background:var(--bg-dark); color:var(--text-dim); }
.start-buttons { display:flex; gap:12px; justify-content:center; margin:20px 0; }
.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:#d76b2b; 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; }

/* ━━━ APP LAYOUT — 4 columns: toolbar | left | stage | right-zone ━━━ */
.app { display:none; height:100vh; height:100dvh; grid-template-rows:var(--topbar-h) 1fr; grid-template-columns:1fr; }
.app.active { display:grid; }
@media(min-width:768px){
  .app {
    grid-template-columns:var(--toolbar-w) var(--left-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 left stage right"
      "toolbar bottom bottom bottom";
  }
  .app.left-collapsed  { grid-template-columns:var(--toolbar-w) 0px 1fr var(--right-panel-w); }
  .app.right-collapsed { grid-template-columns:var(--toolbar-w) var(--left-panel-w) 1fr 0px; }
  .app.left-collapsed.right-collapsed { grid-template-columns:var(--toolbar-w) 0px 1fr 0px; }
  .app.toolbar-collapsed { grid-template-columns:0px var(--left-panel-w) 1fr var(--right-panel-w); }
  .app.bottom-collapsed { grid-template-rows:var(--topbar-h) 1fr 0px; }
}

/* ━━━ 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; }
.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-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-btn:hover:not(.disabled) { background:var(--bg-light); color:var(--text); }
.topbar-btn.disabled { opacity:0.3; cursor:default; pointer-events:none; }
.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; } }

/* ━━━ LEFT PANEL ━━━ */
.left-panel { grid-area:left; background:var(--bg-dark); border-right:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden; position:relative; z-index:10; }
.panel-section { border-bottom:1px solid var(--border); }
.panel-section.flex-section { flex:1; display:flex; flex-direction:column; }
.panel-section-header { display:flex; align-items:center; padding:6px 10px; gap:6px; min-height:28px; cursor:pointer; user-select:none; transition:background 0.12s; }
.panel-section-header:hover { background:var(--bg-mid); }
.panel-section-header .chevron { color:var(--text-muted); font-size:10px; transition:transform 0.2s; width:12px; text-align:center; }
.panel-section-header .chevron.open { transform:rotate(90deg); }
.panel-section-header span { font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; color:var(--text-dim); letter-spacing:0.5px; text-transform:uppercase; }
.panel-section-body { padding:8px 10px; }
.panel-section-body.flex-body { flex:1; display:flex; flex-direction:column; }
/* FIX: !important to override inline-like flex styles */
.panel-section-body.collapsed { display:none !important; }
.info-row { display:flex; align-items:center; gap:6px; margin-bottom:6px; }
.info-label { font-family:'Nunito',sans-serif; font-size:10px; color:var(--text-muted); min-width:55px; }
.info-value { font-family:'Nunito',sans-serif; font-size:11px; color:var(--text); background:var(--bg-mid); border:1px solid var(--border); border-radius:3px; padding:2px 6px; flex:1; min-width:0; }
input.info-value { outline:none; }
input.info-value:focus { border-color:var(--accent); }
.notes-area { width:100%; min-height:60px; background:var(--bg-mid); border:1px solid var(--border); border-radius:4px; color:var(--text); font-family:'Nunito',sans-serif; font-size:11px; padding:6px 8px; resize:vertical; outline:none; line-height:1.5; flex:1; }
.notes-area:focus { border-color:var(--accent); }
.notes-area[contenteditable]:empty::before { content:attr(data-placeholder); color:var(--text-muted); pointer-events:none; }
.notes-area[contenteditable] { overflow-y:auto; -webkit-user-select:text; user-select:text; cursor:text; }
/* Text formatting toolbar for notes/dialog */
.text-toolbar { display:flex; gap:2px; padding:3px 0; flex-wrap:wrap; }
.text-toolbar button { background:var(--bg-mid); border:1px solid var(--border); color:var(--text-dim); font-size:10px; padding:2px 6px; border-radius:3px; cursor:pointer; font-family:'Nunito',sans-serif; transition:all 0.12s; }
.text-toolbar button:hover { color:var(--text); border-color:var(--accent); }
.text-toolbar select { background:var(--bg-mid); border:1px solid var(--border); color:var(--text-dim); font-size:9px; padding:1px 4px; border-radius:3px; outline:none; font-family:'Nunito',sans-serif; }
.text-toolbar .color-pick { width:20px; height:20px; border:1px solid var(--border); border-radius:3px; cursor:pointer; padding:0; }
.voice-btns { display:flex; gap:4px; }
.voice-btns button { width:28px; height:28px; border:none; background:var(--bg-mid); color:var(--text-dim); border-radius:4px; cursor:pointer; display:flex; align-items:center; justify-content:center; font-size:12px; transition:all 0.15s; }
.voice-btns button:hover { background:var(--bg-light); color:var(--text); }
.voice-btns button.rec { color:var(--accent4); }

/* Canvas text editor overlay */
.canvas-text-input { background:transparent !important; caret-color:#00d4ff; }
.canvas-text-input::placeholder { color:rgba(255,255,255,0.3); }

/* ━━━ STAGE ━━━ */
.stage { grid-area:stage; background:var(--bg-darkest); display:flex; flex-direction:column; overflow:hidden; position:relative; }
.stage-viewport { flex:1; overflow:hidden; position:relative; background:#3a3a40; cursor:crosshair; }
.stage-viewport .stage-canvas-wrap { position:absolute; transform-origin:center center; }
.stage-viewport canvas { display:block; position:absolute; top:0; left:0; width:100%; height:100%; }
.stage-viewport .composite-canvas { pointer-events:none; z-index:1; }
.stage-viewport .drawing-canvas { cursor:crosshair; z-index:2; }
.stage-viewport .composite-above { pointer-events:none; z-index:3; }
.stage-viewport .overlay-canvas { pointer-events:none; z-index:4; }
/* Stage frame overlay — positioned via JS based on camera state */
.stage-viewport .stage-frame-overlay { position:absolute; pointer-events:none; z-index:5; border:2px solid rgba(91,138,245,0.5); }
.stage-viewport .stage-frame-overlay.masked { box-shadow:0 0 0 9999px rgba(0,0,0,0.7); }
/* Mobile drag handle for resizable panels */
.mobile-drag-handle { display:none; }
.stage-bar-toggle { display:none; }
.stage-bar { display:flex; align-items:center; gap:8px; padding:4px 12px; background:var(--bg-dark); border-top:1px solid var(--border); min-height:32px; flex-wrap:wrap; }
.stage-bar .zoom-label { font-family:'Nunito',sans-serif; font-size:10px; color:var(--text-dim); min-width:40px; text-align:center; }
.stage-bar .scene-label { font-family:'Nunito',sans-serif; font-size:10px; color:var(--accent2); }
.stage-bar .bar-sep { width:1px; height:14px; background:var(--border); }
.guide-toggles { display:flex; gap:2px; }
.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); }

/* ━━━ RIGHT ZONE (Layers + Properties in one grid cell, split internally) ━━━ */
.right-zone { grid-area:right; display:flex; overflow:hidden; position:relative; }
.layers-panel { background:var(--bg-dark); border-left:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden; width:200px; min-width:0; flex-shrink:0; }
.layers-panel.collapsed { display:none !important; }
.props-panel { background:var(--bg-dark); border-left:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden; flex:1; min-width:0; }
.props-panel.collapsed { display:none !important; }
.layers-panel .panel-header, .props-panel .panel-header-bar { display:flex; align-items:center; padding:6px 10px; border-bottom:1px solid var(--border); gap:6px; min-height:30px; }
.layers-panel .panel-header span, .props-panel .panel-header-bar span { font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; color:var(--text-dim); letter-spacing:0.5px; text-transform:uppercase; }
.layer-list { flex:1; overflow-y:auto; padding:4px; }
.layer-item { display:flex; align-items:center; gap:6px; padding:5px 8px; border-radius:4px; cursor:grab; transition:background 0.1s; user-select:none; margin-bottom:2px; }
.layer-item:hover { background:var(--bg-light); }
.layer-item.selected { background:rgba(91,138,245,0.12); border:1px solid rgba(91,138,245,0.25); }
.layer-item.drag-over { border-top:2px solid var(--accent); }
.layer-item .visibility { width:20px; height:20px; display:flex; align-items:center; justify-content:center; color:var(--text-dim); font-size:11px; cursor:pointer; border-radius:3px; }
.layer-item .visibility:hover { background:var(--bg-mid); color:var(--text); }
.layer-item .visibility.hidden { color:var(--text-muted); opacity:0.4; }
.layer-item .layer-thumb { width:40px; height:28px; background:var(--bg-mid); border-radius:3px; border:1px solid var(--border); overflow:hidden; flex-shrink:0; }
.layer-item .layer-thumb canvas { width:100%; height:100%; }
.layer-item .layer-name { font-size:11px; color:var(--text); flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; cursor:text; }
.layer-item .layer-name-input { font-size:11px; color:var(--text); background:var(--bg-mid); border:1px solid var(--accent); border-radius:3px; padding:1px 4px; width:100%; outline:none; }
.layer-item .layer-letter { font-family:'Nunito',sans-serif; font-size:10px; color:var(--text-muted); }
/* Per-layer opacity */
.layer-opacity-row { display:inline-flex; align-items:center; gap:3px; margin-left:auto; }
.layer-opacity-label { font-family:'Nunito',sans-serif; font-size:8px; color:var(--text-muted); }
.layer-opacity-num { width:32px; background:var(--bg-mid); border:1px solid var(--border); border-radius:3px; color:var(--text); font-family:'Nunito',sans-serif; font-size:9px; padding:1px 3px; text-align:center; outline:none; -moz-appearance:textfield; }
.layer-opacity-num::-webkit-inner-spin-button, .layer-opacity-num::-webkit-outer-spin-button { -webkit-appearance:none; margin:0; }
.layer-opacity-num:focus { border-color:var(--accent); }
.layer-actions { display:flex; gap:4px; padding:6px 8px; border-top:1px solid var(--border); flex-wrap:wrap; }
.layer-actions button { flex:1; background:var(--bg-mid); border:1px solid var(--border); color:var(--text-dim); font-size:10px; padding:4px; border-radius:3px; cursor:pointer; transition:all 0.12s; min-width:40px; }
.layer-actions button:hover { color:var(--text); border-color:var(--accent); }

/* Props tabs */
.right-tabs { display:flex; border-bottom:1px solid var(--border); min-height:30px; }
.right-tabs button { flex:1; background:none; border:none; color:var(--text-dim); font-family:'Nunito',sans-serif; font-size:10px; font-weight:600; letter-spacing:0.3px; padding:6px 4px; cursor:pointer; border-bottom:2px solid transparent; transition:all 0.15s; }
.right-tabs button:hover { color:var(--text); background:var(--bg-mid); }
.right-tabs button.active { color:var(--accent); border-bottom-color:var(--accent); }
.right-panel-body { flex:1; overflow:hidden; display:flex; flex-direction:column; }
.right-panel-view { display:none; padding:8px; }
.right-panel-view.active { display:flex; flex:1; flex-direction:column; overflow-y:auto; }
#scriptView.active { overflow:hidden; padding:0; }
.prop-group { margin-bottom:12px; }
.prop-group-label { font-family:'Nunito',sans-serif; font-size:9px; font-weight:600; color:var(--text-muted); letter-spacing:0.5px; text-transform:uppercase; margin-bottom:6px; }
.prop-row { display:flex; align-items:center; gap:6px; margin-bottom:4px; }
.prop-row label { font-size:10px; color:var(--text-dim); min-width:60px; }
.prop-row input[type="range"] { flex:1; accent-color:var(--accent); height:4px; }
.prop-row input[type="number"], .prop-row select { width:48px; background:var(--bg-mid); border:1px solid var(--border); border-radius:3px; color:var(--text); font-family:'Nunito',sans-serif; font-size:10px; padding:2px 4px; outline:none; text-align:center; }
.prop-row input[type="number"]:focus, .prop-row select:focus { border-color:var(--accent); }
.prop-row select { width:auto; flex:1; text-align:left; }
.colour-section { padding:8px; }
.colour-preview { width:100%; height:40px; border-radius:4px; border:1px solid var(--border); margin-bottom:8px; cursor:pointer; position:relative; }
.colour-preview .fg { position:absolute; top:4px; left:4px; width:30px; height:30px; border-radius:3px; border:2px solid var(--bg-dark); z-index:2; }
.colour-preview .bg-col { position:absolute; top:10px; left:16px; width:30px; height:30px; border-radius:3px; border:2px solid var(--bg-dark); }
.colour-sliders .slider-row { display:flex; align-items:center; gap:6px; margin-bottom:4px; }
.colour-sliders .slider-row label { font-family:'Nunito',sans-serif; font-size:10px; color:var(--text-muted); width:12px; }
.colour-sliders .slider-row input[type="range"] { flex:1; height:4px; }
.colour-sliders .slider-row input[type="number"] { width:40px; }
.opacity-row { display:flex; align-items:center; gap:6px; margin-top:6px; }
.opacity-row label { font-size:10px; color:var(--text-dim); }
.opacity-row input[type="range"] { flex:1; height:4px; accent-color:var(--accent); }
.opacity-row span { font-family:'Nunito',sans-serif; font-size:10px; color:var(--text); min-width:28px; text-align:right; }
.swatches-label { font-family:'Nunito',sans-serif; font-size:9px; color:var(--text-muted); margin:8px 0 4px; display:flex; align-items:center; gap:4px; }
.swatches-label button { background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:12px; }
.swatch-grid { display:flex; flex-wrap:wrap; gap:3px; }
.swatch-grid .swatch { width:18px; height:18px; border-radius:3px; border:1px solid var(--border); cursor:pointer; transition:transform 0.1s; }
.swatch-grid .swatch:hover { transform:scale(1.2); border-color:var(--text-dim); }

/* ━━━ 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; }
.bottom-panel-tabs { display:flex; align-items:center; border-bottom:1px solid var(--border); min-height:28px; 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); }
.thumbnails-view { flex:1; display:none; flex-direction:column; overflow:hidden; }
.thumbnails-view.active { display:flex; }
.thumbnails-strip { flex:1; display:flex; overflow-x:auto; overflow-y:hidden; padding:8px; gap:0; align-items:flex-start; }
.scene-group { display:flex; gap:2px; margin-right:16px; position:relative; padding-top:14px; }
.scene-group::after { content:''; position:absolute; right:-9px; top:0; bottom:0; width:2px; background:var(--border-light); }
.scene-group:last-child { margin-right:0; }
.scene-group:last-child::after { display:none; }
.scene-label-tag { position:absolute; top:0; left:4px; font-family:'Nunito',sans-serif; font-size:8px; color:var(--accent2); letter-spacing:0.5px; z-index:2; }
/* Drop zone after each scene group for creating new scene */
.scene-drop-zone { width:40px; min-height:80px; display:flex; align-items:center; justify-content:center; border:2px dashed transparent; border-radius:6px; margin-left:4px; transition:all 0.15s; flex-shrink:0; }
.scene-drop-zone.drag-over { border-color:var(--accent); background:rgba(91,138,245,0.05); }
.scene-drop-zone::after { content:'+'; color:var(--text-muted); font-size:16px; opacity:0; transition:opacity 0.15s; }
.scene-drop-zone.drag-over::after { opacity:1; color:var(--accent); }
.thumb-card { flex-shrink:0; width:180px; background:var(--bg-mid); border:2px solid var(--border); border-radius:6px; cursor:grab; transition:all 0.15s; position:relative; overflow:hidden; }
.thumb-card:hover { border-color:var(--text-muted); }
.thumb-card.active { border-color:var(--accent4); box-shadow:0 0 12px rgba(245,91,138,0.3); }
.thumb-card.drag-over { border-color:var(--accent); border-style:dashed; }
.thumb-card .thumb-label { padding:3px 8px; font-family:'Nunito',sans-serif; font-size:9px; color:var(--text-dim); background:var(--bg-dark); border-bottom:1px solid var(--border); display:flex; justify-content:space-between; }
.thumb-card .thumb-canvas-wrap { width:100%; aspect-ratio:16/9; background:#e8e8e8; position:relative; overflow:hidden; }
.thumb-card .thumb-canvas-wrap canvas { width:100%; height:100%; display:block; }
.thumb-card .thumb-dialog { padding:3px 6px; font-size:9px; color:var(--text-dim); background:var(--bg-darkest); min-height:18px; border-top:1px solid var(--border); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ━━━ TIMELINE ━━━ */
.timeline-view { flex:1; display:none; flex-direction:column; overflow:hidden; }
.timeline-view.active { display:flex; }
.tl-controls { display:flex; align-items:center; padding:4px 8px; gap:4px; border-bottom:1px solid var(--border); min-height:28px; flex-wrap:wrap; }
.tl-controls .tl-transport-btn { width:24px; height:24px; border:none; background:var(--bg-mid); color:var(--text-dim); border-radius:4px; cursor:pointer; display:flex; align-items:center; justify-content:center; font-size:11px; transition:all 0.12s; }
.tl-controls .tl-transport-btn:hover { background:var(--bg-light); color:var(--text); }
.tl-controls .tl-transport-btn.active { color:var(--accent); background:rgba(91,138,245,0.15); }
.tl-controls .tl-info { font-family:'Nunito',sans-serif; font-size:10px; color:var(--accent2); margin:0 4px; }
.timeline-body { flex:1; overflow:auto; position:relative; }
.tl-ruler { height:20px; background:var(--bg-mid); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:5; cursor:pointer; }
.tl-ruler span { position:absolute; top:0; font-size:8px; color:var(--text-muted); font-family:'Nunito',sans-serif; padding:2px 4px; }
.tl-track { display:flex; min-height:32px; border-bottom:1px solid var(--border); }
.tl-track-label { width:140px; min-width:140px; padding:4px 8px; font-family:'Nunito',sans-serif; font-size:10px; color:var(--text-dim); background:var(--bg-dark); border-right:1px solid var(--border); display:flex; align-items:center; gap:4px; flex-shrink:0; position:sticky; left:0; z-index:3; }
.tl-track-label .tl-btns { margin-left:auto; display:flex; gap:2px; }
.tl-track-label .tl-btns button { width:16px; height:16px; border:none; background:none; color:var(--text-muted); cursor:pointer; font-size:10px; display:flex; align-items:center; justify-content:center; border-radius:2px; }
.tl-track-label .tl-btns button:hover { color:var(--text); background:var(--bg-light); }
.tl-track-body { flex:1; position:relative; min-height:28px; }
.tl-scene-block { position:absolute; top:0; bottom:0; border-right:2px solid var(--accent2); background:rgba(245,155,91,0.03); }
.tl-scene-block .tl-scene-label { position:absolute; top:1px; left:4px; font-size:7px; color:var(--accent2); font-family:'Nunito',sans-serif; white-space:nowrap; }
.tl-panel-block { position:absolute; top:2px; bottom:2px; background:var(--bg-light); border:1px solid var(--border); border-radius:3px; cursor:pointer; display:flex; align-items:center; justify-content:center; font-family:'Nunito',sans-serif; font-size:8px; color:var(--text-dim); overflow:hidden; }
.tl-panel-block:hover { background:var(--bg-lighter); }
.tl-panel-block.active { border-color:var(--accent4); background:rgba(245,91,138,0.1); }
.tl-panel-block .drag-handle { position:absolute; top:0; width:6px; height:100%; cursor:col-resize; z-index:2; }
.tl-panel-block .drag-handle:hover { background:rgba(91,138,245,0.3); }
.tl-panel-block .drag-handle.left { left:0; }
.tl-panel-block .drag-handle.right { right:0; }
.tl-keyframe { position:absolute; width:10px; height:10px; background:var(--accent2); border:1px solid var(--bg-dark); transform:rotate(45deg); top:calc(50% - 5px); cursor:pointer; z-index:3; }
.tl-keyframe:hover { background:#fff; }
.tl-playhead { position:absolute; top:0; bottom:0; width:1px; background:var(--accent4); z-index:10; pointer-events:none; }
.tl-playhead::before { content:''; position:absolute; top:-2px; left:-5px; border-left:5px solid transparent; border-right:5px solid transparent; border-top:6px solid var(--accent4); }
.tl-marker { position:absolute; top:0; width:2px; height:100%; background:var(--accent3); z-index:4; cursor:pointer; }
.tl-marker::before { content:''; position:absolute; top:-3px; left:-3px; width:8px; height:8px; background:var(--accent3); border-radius:50%; }
.tl-work-area { position:absolute; top:0; bottom:0; background:rgba(91,245,160,0.05); border-left:2px solid var(--accent3); border-right:2px solid var(--accent3); pointer-events:none; z-index:1; }

/* ━━━ COLLAPSE ━━━ */
.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; }
/* Desktop: mobile-tab-bar is transparent wrapper, tabs are individually fixed-positioned */
.mobile-tab-bar { display:contents; }
.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-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; }
.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; }
.app.toolbar-collapsed .panel-tab.tab-left { left:0; }
.panel-tab.tab-right { right:0; top:40%; 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; }
.panel-tab.tab-layers { right:0; top:55%; 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; }
.panel-tab.tab-bottom { bottom:0; left:50%; transform:translateX(-50%); border-radius:8px 8px 0 0; border-bottom:none; writing-mode:horizontal-tb; padding:6px 18px; --tab-slide-y:20px; }

/* ━━━ RESIZE HANDLES ━━━ */
.panel-resize { position:absolute; z-index:15; background:transparent; transition:background 0.15s; }
.panel-resize:hover, .panel-resize.active { background:var(--accent); opacity:0.5; }
.panel-resize.resize-right { top:0; right:-3px; width:6px; height:100%; cursor:col-resize; }
.panel-resize.resize-left { top:0; left:-3px; width:6px; height:100%; cursor:col-resize; }
.panel-resize.resize-top { left:0; top:-3px; width:100%; height:6px; cursor:row-resize; }

/* ━━━ CTX MENU ━━━ */
.ctx-menu { position:fixed; z-index:300; background:var(--bg-dark); border:1px solid var(--border); border-radius:6px; box-shadow:var(--shadow); min-width:180px; padding:4px 0; display:none; }
.ctx-menu.open { display:block; }
.ctx-menu button { display:flex; align-items:center; gap:8px; width:100%; background:none; border:none; color:var(--text); font-family:'Nunito',sans-serif; font-size:11px; padding:6px 12px; cursor:pointer; text-align:left; transition:background 0.1s; }
.ctx-menu button:hover { background:var(--bg-light); }
.ctx-menu .ctx-sep { height:1px; background:var(--border); margin:4px 0; }
.ctx-menu .ctx-shortcut { margin-left:auto; font-size:9px; color:var(--text-muted); font-family:'Nunito',sans-serif; }

/* ━━━ TOAST / MODAL ━━━ */
.toast { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); background:var(--bg-dark); border:1px solid var(--accent); color:var(--text); padding:8px 16px; border-radius:6px; font-size:11px; z-index:500; box-shadow:var(--shadow); opacity:0; transition:opacity 0.3s; pointer-events:none; }
.toast.show { opacity:1; }
.modal-backdrop { position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:400; display:none; align-items:center; justify-content:center; }
.modal-backdrop.open { display:flex; }
.modal { background:var(--bg-dark); border:1px solid var(--border); border-radius:10px; padding:20px; min-width:320px; max-width:90vw; box-shadow:var(--shadow); }
.modal h3 { font-family:'Nunito',sans-serif; font-size:13px; color:var(--accent); margin-bottom:12px; }
.modal .form-row { margin-bottom:10px; }
.modal .form-row label { display:block; font-size:10px; color:var(--text-dim); margin-bottom:4px; }
.modal .form-row input, .modal .form-row select { width:100%; background:var(--bg-mid); border:1px solid var(--border); border-radius:4px; color:var(--text); font-size:12px; padding:6px 8px; outline:none; }
.modal-btns { display:flex; gap:8px; justify-content:flex-end; margin-top:16px; }
.export-preview-modal { max-width:700px; max-height:80vh; overflow-y:auto; }

/* ━━━ LANDSCAPE SUGGESTION (dismissible) ━━━ */
.landscape-hint {
  position:fixed; top:50%; left:50%; transform:translate(-50%,-50%); z-index:10000;
  background:var(--bg-dark); border:1px solid #d76b2b; border-radius:10px;
  padding:12px 20px; display:none; align-items:center; gap:12px;
  color:var(--text); 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; }
}

/* ━━━ MOBILE PANEL OVERLAY (bottom sheet) ━━━ */
.panel-overlay { position:absolute; inset:0; z-index:30; display:none; }
.panel-overlay.open { display:flex; flex-direction:column; justify-content:flex-end; }
.panel-overlay .panel-backdrop { flex:1; background:rgba(0,0,0,0.4); min-height:40px; }
.panel-overlay .panel-content { background:var(--bg-dark); border-top:1px solid var(--border); max-height:65vh; overflow-y:auto; border-radius:12px 12px 0 0; animation:slideUp 0.25s ease-out; -webkit-overflow-scrolling:touch; }
.panel-overlay .panel-content.dragging { animation:none; transition:none; overflow-y:hidden; }
.panel-overlay .panel-content.snapping { animation:none; transition:transform 0.25s ease-out; }
.panel-overlay .panel-content.dismissing { animation:none; transition:transform 0.2s ease-in; }
@keyframes slideUp { from{transform:translateY(100%)} to{transform:translateY(0)} }
.panel-handle { display:flex; justify-content:center; padding:10px; cursor:grab; touch-action:none; }
.panel-handle::after { content:''; width:36px; height:4px; background:var(--border-light); border-radius:2px; transition:background 0.15s; }
.panel-handle:active::after { background:var(--accent); }
@media(min-width:769px){ .panel-overlay { display:none !important; } }

/* ━━━ MOBILE BOTTOM TABS ━━━ */
.mobile-bottom-tabs { display:none; background:var(--bg-dark); border-top:1px solid var(--border); padding-bottom:env(safe-area-inset-bottom,0px); z-index:20; }
.mobile-bottom-tabs button { flex:1; border:none; background:transparent; color:var(--text-dim); font-size:9px; font-family:'Nunito',sans-serif; letter-spacing:0.5px; cursor:pointer; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; transition:all 0.15s; padding:6px 4px; }
.mobile-bottom-tabs button svg { width:18px; height:18px; }
.mobile-bottom-tabs button.active { color:var(--accent); background:var(--bg-mid); }

/* ━━━ MOBILE LAYOUT (stacked single-column, matching Node Blocks pattern) ━━━ */
@media(max-width:768px){
  /* Portrait: topbar | toolbar (top) | stage (fills) | left | right | bottom */
  .app.active {
    grid-template-columns:1fr !important;
    grid-template-rows:var(--topbar-h) var(--m-toolbar-h) 1fr var(--m-left-h,0px) var(--m-right-h,0px) var(--m-bottom-h,0px) !important;
    grid-template-areas:
      "topbar"
      "toolbar"
      "stage"
      "left"
      "right"
      "bottom" !important;
    gap:0 !important;
  }
  /* Panel collapse handled via JS inline vars on :root — no CSS class overrides */

  /* Topbar compact */
  .topbar { padding:0 6px; gap:4px; overflow-x:auto; }
  .topbar .logo { font-size:10px; letter-spacing:0.5px; }
  .topbar .sep { margin:0 2px; }
  .topbar .file-info { display:none; }
  .tb-btn { padding:3px 6px; font-size:9px; }
  .topbar-btn { width:24px; height:24px; }
  .topbar-btn svg { width:14px; height:14px; }

  /* Toolbar — horizontal strip */
  .toolbar {
    grid-area:toolbar; flex-direction:row !important; justify-content:flex-start !important;
    border-right:none !important; border-bottom:1px solid var(--border) !important;
    border-top: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; min-width:1px; flex-shrink:0; }

  /* Left panel — horizontal, scrollable */
  .left-panel { border-right:none; border-top:1px solid var(--border); overflow-y:auto; -webkit-overflow-scrolling:touch; }

  /* Right zone — stacked below */
  .right-zone { border-left:none; border-top:1px solid var(--border); overflow-y:auto; -webkit-overflow-scrolling:touch; }
  .right-tabs button { font-size:10px; padding:5px 4px; }

  /* Bottom panel (thumbnails + timeline) — stays at bottom */
  .bottom-panel { border-top:1px solid var(--border); }
  .thumb-card { width:120px; }
  .bottom-panel-tabs button { font-size:9px; }

  /* Stage bar — sits at bottom of stage, not floating */
  .stage-bar {
    position:relative; z-index:5;
    font-size:9px; padding:4px 10px; min-height:24px;
    background:var(--bg-dark); border-top:1px solid var(--border);
  }
  .stage-bar.collapsed { opacity:0; pointer-events:none; transform:translateY(10px); }
  /* Draggable panel handle */
  .mobile-drag-handle {
    display:flex; justify-content:center; padding:6px 0 2px; cursor:grab; touch-action:none;
  }
  .mobile-drag-handle:active { cursor:grabbing; }
  .drag-pill { width:36px; height:4px; background:var(--border-light); border-radius:2px; transition:background 0.15s; }
  .mobile-drag-handle:active .drag-pill { background:var(--accent); }
  /* Toggle button for stage bar */
  .stage-bar-toggle {
    display:block; position:absolute; bottom:8px; right:8px; z-index:6;
    width:28px; height:28px; background:rgba(20,20,22,0.7); border:1px solid var(--border);
    border-radius:6px; color:var(--accent); cursor:pointer;
    align-items:center; justify-content:center; padding:0;
  }
  .stage-bar-toggle svg { width:14px; height:14px; }
  .stage-bar .zoom-label { font-size:9px; min-width:30px; }
  .guide-toggles button { font-size:7px; padding:1px 3px; }
  .stage { position:relative; }

  /* Mobile tab bar — fixed strip at bottom for collapsed panel tabs */
  .mobile-tab-bar { display:flex; position:fixed; bottom:0; left:0; right:0; justify-content:center; gap:8px; z-index:200; pointer-events:none; padding:0 8px; }
  /* Panel collapse tabs — reposition as horizontal pills in the tab bar */
  .panel-tab.tab-toolbar, .panel-tab.tab-left, .panel-tab.tab-right,
  .panel-tab.tab-layers, .panel-tab.tab-bottom {
    position:static; writing-mode:horizontal-tb; text-orientation:initial;
    transform:none; border-radius:8px 8px 0 0; border-bottom:none;
    padding:6px 14px; pointer-events:auto; --tab-slide-x:0; --tab-slide-y:20px;
  }

  /* Resize handles — all horizontal on mobile */
  .panel-resize.resize-left, .panel-resize.resize-right {
    width:auto !important; height:8px !important; cursor:ns-resize !important;
    top:0; left:0; right:0;
  }

  /* Modals */
  .modal { min-width:auto; width:90vw; padding:16px; }
  .modal h3 { font-size:12px; }

  /* Start screen */
  .start-card { padding:20px; }
  .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-row .start-field input, .start-row .start-field select { padding:6px 8px; font-size:11px; }
  .start-btn { padding:10px 22px; font-size:13px; }

  /* Toast above mobile content */
  .toast { bottom:60px; }
  .mobile-bottom-tabs { display:none; }
}

/* Landscape on mobile: toolbar on left, panels as overlay sheets */
@media(max-width:768px) and (orientation:landscape){
  .app.active {
    grid-template-columns:var(--m-toolbar-h) 1fr !important;
    grid-template-rows:var(--topbar-h) 1fr !important;
    grid-template-areas:
      "topbar topbar"
      "toolbar stage" !important;
  }
  .toolbar {
    flex-direction:column !important; justify-content:flex-start !important;
    border-bottom:none !important; border-right:1px solid var(--border) !important;
    border-top:none !important;
    padding:6px 0 !important; overflow-y:auto !important; overflow-x:hidden !important;
  }
  .toolbar button { width:38px; height:38px; min-width:38px; }
  /* Panels appear as floating overlays when expanded */
  .left-panel, .right-zone, .bottom-panel {
    position:fixed !important; z-index:300 !important;
    background:var(--bg-dark) !important; border:1px solid var(--border) !important;
    border-radius:8px !important; box-shadow:0 4px 20px rgba(0,0,0,0.5) !important;
    overflow-y:auto !important; -webkit-overflow-scrolling:touch;
  }
  .left-panel { top:var(--topbar-h); left:var(--m-toolbar-h); width:260px; bottom:40px; }
  .right-zone { top:var(--topbar-h); right:0; width:280px; bottom:40px; }
  .bottom-panel { bottom:0; left:var(--m-toolbar-h); right:0; height:45vh; }
}

/* Small phones */
@media(max-width:380px){
  .topbar .logo { font-size:9px; }
  .topbar .logo span { display:none; }
  .start-logo { font-size:26px; }
  .start-btn { padding:10px 18px; font-size:12px; }
  .toolbar button { width:38px; height:38px; min-width:38px; }
  .panel-section-header span { font-size:9px; }
  .info-label, .info-value { font-size:9px; }
  .notes-area { font-size:10px; }
  .thumb-card { width:100px; }
}