:root {
  --bg: #1b1c20;
  --panel: #24262c;
  --panel-2: #2c2f37;
  --border: #3a3d46;
  --text: #e6e8ec;
  --muted: #8a8f9b;
  --accent: #4d9aff;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 13px;
}

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.play-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 12px;
  background: var(--panel-2);
}
.play-controls button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  padding: 8px;
}
.play-controls button.primary.playing {
  background: var(--danger);
  border-color: var(--danger);
}
.play-controls .inline { flex-direction: row; justify-content: flex-start; gap: 6px; }
body.playing #viewport { box-shadow: inset 0 0 0 2px var(--danger); }
body.playing .scene-name::after { content: ' · PLAYING'; color: var(--danger); font-weight: 600; }

.layout {
  display: grid;
  /* User-resizable: drag the 5px gutters between panels. CSS vars are
     persisted to localStorage so the choice survives reload. */
  --left-w: 280px;
  --right-w: 320px;
  grid-template-columns: var(--left-w) 5px 1fr 5px var(--right-w);
  grid-template-rows: 100vh;
  height: 100vh;
  width: 100%;
}
.layout > * { min-width: 0; min-height: 0; }
.resize-handle {
  background: var(--border);
  cursor: ew-resize;
  user-select: none;
  transition: background 0.12s;
}
.resize-handle:hover, .resize-handle.dragging { background: var(--accent); }

/* Scene/Hierarchy tabs in the left panel */
.left-tabs {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.left-tabs button {
  flex: 1;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.left-tabs button:last-child { border-right: 0; }
.left-tabs button:hover { color: var(--text); background: var(--panel); }
.left-tabs button.active {
  color: var(--text);
  background: var(--panel);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.left-tab-panel { flex: 1; overflow: auto; display: none; }
.left-tab-panel.active { display: flex; flex-direction: column; }
#scenes-list { list-style: none; padding: 6px 0; margin: 0; }
#scenes-list li {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  cursor: pointer;
  border-left: 3px solid transparent;
}
#scenes-list li.active { background: var(--panel-2); border-left-color: var(--accent); }
#scenes-list li:hover { background: var(--panel-2); }
#scenes-list .scene-name-text { flex: 1; }
#scenes-list .mini { background: transparent; border: 0; color: var(--muted); cursor: pointer; padding: 0 4px; font-size: 12px; }
#scenes-list .mini:hover { color: var(--text); }

.panel {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#props-panel { border-right: 0; border-left: 1px solid var(--border); }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.panel-header .title { font-weight: 600; }
.panel-subheader {
  padding: 8px 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 11px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.subheader-actions { display: inline-flex; gap: 2px; }
.subheader-actions .mini {
  width: 18px;
  height: 18px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}
.subheader-actions .mini:hover { color: var(--text); background: var(--panel-2); }
.muted { color: var(--muted); font-size: 11px; }

.nav {
  display: flex;
  flex-direction: column;
  padding: 8px;
  gap: 4px;
}
.nav hr { border: 0; border-top: 1px solid var(--border); margin: 6px 0; }

button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  text-align: left;
  font-size: 13px;
}
button:hover { background: #343842; }
button.secondary { background: transparent; }
button.danger { color: var(--danger); }

.hierarchy {
  flex: 1;
  overflow: auto;
  border-top: 1px solid var(--border);
}
#hierarchy-list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}
#hierarchy-list li {
  padding: 4px 12px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#hierarchy-list li:hover { background: var(--panel-2); }
#hierarchy-list li.selected { background: var(--accent); color: #fff; }

#viewport {
  position: relative;
  background: #0f1013;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

#toolbar {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  background: rgba(20, 22, 26, 0.85);
  border: 1px solid var(--border);
  border-radius: 6px;
  backdrop-filter: blur(6px);
  z-index: 10;
}
#toolbar .tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 30px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
}
#toolbar .tool:hover { color: var(--text); background: var(--panel-2); }
#toolbar .tool.active { color: #fff; background: var(--accent); }
#toolbar .tool-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 4px;
}
#toolbar .tool-menu-wrap { position: relative; display: inline-flex; }
.add-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 180px;
  background: rgba(24, 26, 32, 0.97);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  z-index: 30;
  backdrop-filter: blur(8px);
}
.add-menu.hidden { display: none; }
.add-menu-section { padding: 0; }
.add-menu-section + .add-menu-section { border-top: 1px solid var(--border); }
.add-menu-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 8px 10px;
  cursor: pointer;
  user-select: none;
  transition: color 0.12s, background 0.12s;
}
.add-menu-label:hover { color: #fff; background: rgba(255,255,255,0.03); }
.add-menu-label::after {
  content: '▸';
  font-size: 10px;
  transition: transform 0.18s ease;
  color: var(--muted);
  margin-left: 8px;
}
.add-menu-section.open > .add-menu-label::after { transform: rotate(90deg); color: #fff; }
.add-menu-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.22s ease;
  padding: 0 0 0 0;
}
.add-menu-section.open > .add-menu-body {
  max-height: 400px;
  padding: 2px 0 6px 0;
}
.add-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 6px 10px;
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.add-menu button:hover { background: var(--panel-2); color: #fff; }
#viewport.tool-pan #three-container canvas { cursor: grab; }
#viewport.tool-pan.dragging #three-container canvas { cursor: grabbing; }
#viewport.tool-orbit #three-container canvas { cursor: crosshair; }
#viewport.drop-active::after {
  content: 'Drop GLB / GLTF / OBJ / FBX to import';
  position: absolute;
  inset: 10px;
  border: 2px dashed var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(77, 154, 255, 0.08);
  pointer-events: none;
  z-index: 20;
}

#view-toolbar {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  background: rgba(20, 22, 26, 0.85);
  border: 1px solid var(--border);
  border-radius: 6px;
  backdrop-filter: blur(6px);
  z-index: 10;
}
#view-toolbar .tool {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  height: 30px;
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
}
#view-toolbar .tool:hover { color: var(--text); background: var(--panel-2); }
#view-toolbar .tool.active { color: #fff; background: var(--accent); }
#three-container { position: absolute; inset: 0; }
#three-container canvas { display: block; width: 100% !important; height: 100% !important; }
.scene-name {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  background: rgba(0,0,0,0.5);
  border-radius: 4px;
  outline: none;
  min-width: 80px;
}
#play-dock {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}
#play-dock #play-btn {
  padding: 6px 14px;
  font-weight: 600;
}
#play-dock #play-status {
  background: rgba(0,0,0,0.5);
  padding: 4px 8px;
  border-radius: 4px;
}
#particle-fields label { display: flex; align-items: center; justify-content: flex-start; gap: 8px; margin: 4px 0; }
#particle-fields .field-label { color: var(--muted); font-size: 12px; flex: 0 0 96px; }
#particle-fields input[type=number] { width: 90px; }
#particle-fields input[type=color] { width: 44px; height: 24px; padding: 0; border: 1px solid var(--border); background: transparent; }
.canvas2d-add-row { display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0; }
.canvas2d-add-row button { flex: 0 0 auto; }
#canvas2d-element-props label { display: flex; align-items: center; justify-content: flex-start; gap: 8px; margin: 4px 0; }
#canvas2d-element-props .field-label { color: var(--muted); font-size: 12px; flex: 0 0 96px; }
#canvas2d-element-props input[type=number], #canvas2d-element-props input[type=text], #canvas2d-element-props textarea, #canvas2d-element-props select { flex: 1; width: auto; min-width: 0; }
#canvas2d-element-props input[type=color] { flex: 0 0 44px; width: 44px; height: 24px; padding: 0; border: 1px solid var(--border); background: transparent; }
/* Multi-line text content editor — full width, resizable, comfortable. */
#canvas2d-element-props textarea.c2d-textarea { flex: none; width: 100%; min-height: 120px; resize: vertical; line-height: 1.45; font: 13px/1.45 ui-monospace, Menlo, Consolas, monospace; white-space: pre-wrap; }
#canvas2d-canvas-props label { display: flex; align-items: center; justify-content: flex-start; gap: 8px; margin: 4px 0; }
#canvas2d-canvas-props .field-label { color: var(--muted); font-size: 12px; flex: 0 0 96px; }
#canvas2d-canvas-props input[type=number], #canvas2d-canvas-props input[type=text], #canvas2d-canvas-props select { flex: 1; width: auto; min-width: 0; }
/* Multi-condition clause rows in the trigger dialog. */
.cond-clause { display: flex; gap: 6px; align-items: center; margin: 4px 0; }
.cond-clause .cc-var { flex: 1 1 auto; min-width: 0; }
.cond-clause .cc-op { flex: 0 0 58px; }
.cond-clause .cc-val { flex: 1 1 70px; min-width: 0; }
.cond-clause .mini.danger { flex: 0 0 auto; padding: 2px 8px; }

/* AI chat widget */
#ai-chat-toggle {
  position: fixed; right: 18px; bottom: 18px; width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: #fff; border: 0; cursor: pointer; z-index: 40;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
}
#ai-chat-toggle:hover { filter: brightness(1.1); }
#ai-chat-panel {
  position: fixed; right: 18px; bottom: 78px; width: 420px; max-width: calc(100vw - 36px);
  height: 540px; max-height: calc(100vh - 120px);
  background: rgba(20,22,26,0.98); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 10px 36px rgba(0,0,0,0.5); z-index: 40;
  display: flex; flex-direction: column; overflow: hidden;
  backdrop-filter: blur(10px);
}
#ai-chat-panel.hidden { display: none; }
.ai-chat-header {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.ai-chat-header strong { flex: 0 0 auto; }
.ai-chat-header .muted { flex: 1; }
#ai-chat-log {
  flex: 1; overflow-y: auto; padding: 10px 12px; font-size: 13px; line-height: 1.45;
  display: flex; flex-direction: column; gap: 10px;
}
.ai-msg { padding: 8px 10px; border-radius: 6px; white-space: pre-wrap; word-wrap: break-word; }
.ai-msg.user { background: var(--accent); color: #fff; align-self: flex-end; max-width: 85%; }
.ai-msg.assistant { background: var(--panel-2); color: var(--text); align-self: flex-start; max-width: 90%; }
.ai-msg.tool { background: rgba(77,154,255,0.08); border-left: 3px solid var(--accent); color: var(--muted); font-size: 11px; font-family: monospace; align-self: flex-start; max-width: 95%; }
.ai-msg.error { background: rgba(232,76,61,0.15); color: #ff9189; }
#ai-chat-form {
  display: flex; flex-direction: column; gap: 6px; padding: 8px; border-top: 1px solid var(--border);
}
#ai-chat-input {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px; resize: none; font: inherit;
}
#ai-chat-send:disabled { opacity: 0.5; cursor: wait; }
.ai-chat-actions {
  display: flex; gap: 6px; align-items: center;
}
.ai-chat-actions #ai-chat-send { margin-left: auto; }
.ai-chat-actions button:disabled { opacity: 0.4; cursor: not-allowed; }
.ai-chat-attachments {
  display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 8px;
  border-top: 1px solid var(--border); background: var(--panel-2);
}
.ai-chat-attachments .ai-att {
  position: relative; width: 56px; height: 56px; border-radius: 4px;
  border: 1px solid var(--border); overflow: hidden; background: #000;
}
.ai-chat-attachments .ai-att img {
  width: 100%; height: 100%; object-fit: cover;
}
.ai-chat-attachments .ai-att .ai-att-x {
  position: absolute; top: 1px; right: 1px;
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(0,0,0,0.7); color: #fff;
  border: 0; font-size: 12px; line-height: 18px;
  cursor: pointer; padding: 0;
}
.ai-msg img.ai-msg-img {
  display: block; max-width: 220px; max-height: 220px;
  margin-top: 4px; border-radius: 4px; border: 1px solid var(--border);
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}
.tab {
  flex: 1;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 10px 8px;
  text-align: center;
  color: var(--muted);
}
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  background: var(--panel-2);
}

.tab-panel {
  display: none;
  padding: 10px 12px;
  overflow: auto;
  flex: 1;
}
.tab-panel.active { display: block; }
.tab-panel h3 { margin: 4px 0 10px; }

.tab-panel label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
}
.tab-panel input[type="text"],
.tab-panel input[type="number"],
.tab-panel input[type="email"],
.tab-panel input[type="password"],
.tab-panel select {
  flex: 1;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px 6px;
  min-width: 60px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 4px;
  margin: 8px 0;
  padding: 6px 8px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
fieldset legend {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.reset-btn {
  padding: 1px 6px;
  font-size: 10px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}
.reset-btn:hover { color: var(--text); border-color: var(--accent); }

fieldset.stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
fieldset.stack label.inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  justify-content: flex-start;
}
fieldset.stack button { width: 100%; }

.accordion {
  border: 1px solid var(--border);
  border-radius: 4px;
  margin: 10px 0;
  overflow: hidden;
}
.accordion-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}
.accordion-toggle {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 0;
  padding: 4px 6px;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}
.accordion-toggle .chev {
  display: inline-block;
  width: 12px;
  transition: transform 120ms;
}
.accordion-toggle[aria-expanded="false"] .chev { transform: rotate(-90deg); }
.accordion-toggle .count {
  margin-left: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
}
.accordion .add {
  width: 28px;
  height: 26px;
  padding: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  cursor: pointer;
}
.accordion .add:hover { color: var(--text); border-color: var(--accent); }
.accordion-body { padding: 6px 8px; }
.accordion[data-collapsed="true"] .accordion-body { display: none; }
.tiny { font-size: 11px; margin: 4px 0; }

.behavior-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.behavior-list li {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.behavior-list li.active { border-color: var(--accent); background: rgba(77,154,255,0.12); }
.behavior-list .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.behavior-list .sub { font-size: 10px; color: var(--muted); display: block; }
.behavior-list .mini {
  padding: 2px 6px;
  font-size: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  cursor: pointer;
}
.behavior-list .mini:hover { color: var(--text); border-color: var(--accent); }
.behavior-list .mini.danger { color: var(--danger); }
fieldset input { width: 100%; }

.filter-row {
  display: flex;
  gap: 4px;
  margin: 8px 0;
}
.filter-row button {
  flex: 1;
  text-align: center;
  padding: 4px 6px;
  font-size: 11px;
}
.filter-row button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Library header + scope pill + search/scope toolbar */
.library-header {
  display: flex; align-items: center; gap: 8px;
  margin: 0 0 6px;
}
.library-header h3 { margin: 0; flex: 1 1 auto; }
.library-scope-pill {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.6px;
  padding: 2px 8px; border-radius: 10px;
  background: rgba(77,154,255,0.15); color: var(--accent);
  border: 1px solid rgba(77,154,255,0.45);
}
.library-toolbar {
  display: flex; gap: 6px; margin: 6px 0;
}
.library-toolbar input[type="search"] {
  flex: 1 1 auto; min-width: 0;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 5px 8px; font-size: 12px;
}
.library-toolbar select {
  flex: 0 0 auto;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 4px 6px; font-size: 11px;
}

/* Folder chips */
.library-folder-row {
  display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0;
  align-items: center;
}
.folder-chip {
  font-size: 11px; padding: 3px 9px;
  background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--border); border-radius: 12px;
  cursor: pointer; white-space: nowrap;
}
.folder-chip:hover { color: var(--text); border-color: var(--accent); }
.folder-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.folder-chip.drop-target { background: rgba(77,154,255,0.25); border-color: var(--accent); }
.folder-chips-host { display: contents; }
#folder-new { font-size: 10px; padding: 3px 8px; }

/* Multi-select bulk action bar */
.library-bulkbar {
  display: flex; gap: 6px; align-items: center;
  background: rgba(77,154,255,0.10);
  border: 1px solid var(--accent);
  border-radius: 6px; padding: 6px 10px; margin: 6px 0;
  font-size: 12px;
}
.library-bulkbar .mini { padding: 3px 8px; font-size: 11px; }
.library-bulkbar .danger { color: var(--danger); border-color: var(--danger); }

/* Selected card visual */
.asset-card.selected {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.asset-card[draggable="true"] { cursor: grab; }
.asset-card[draggable="true"]:active { cursor: grabbing; }

/* Library tile grid — image / model / material / audio cards. */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.asset-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.12s, transform 0.12s;
}
.asset-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.asset-card .asset-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #1a1c22;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.asset-card .asset-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.asset-card .asset-thumb .asset-icon {
  font-size: 22px;
  color: var(--muted);
}
.asset-card .asset-thumb .asset-swatch {
  width: 100%;
  height: 100%;
  background-image: linear-gradient(135deg, var(--swatch, #888), color-mix(in srgb, var(--swatch, #888) 70%, #000));
}
.asset-card .asset-kind {
  position: absolute;
  top: 4px;
  left: 4px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 9px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.asset-card .asset-name {
  font-size: 11px;
  color: var(--text);
  padding: 4px 6px 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.asset-card .asset-actions {
  display: flex;
  gap: 2px;
  padding: 0 4px 4px;
}
.asset-card .asset-actions button {
  padding: 3px 4px;
  font-size: 10px;
  flex: 1;
}
.asset-card .asset-actions button.danger {
  flex: 0 0 auto;
  padding: 3px 6px;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  min-width: 300px;
  max-width: 80vw;
  max-height: 80vh;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card h2, .card h3 { margin: 0 0 6px; }
.card label { display: flex; flex-direction: column; gap: 4px; }
.card input {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 6px 8px;
}
.error { color: var(--danger); min-height: 1em; margin: 0; }
.row { display: flex; justify-content: flex-end; gap: 6px; }

#modal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 50vh;
  overflow: auto;
}
#modal-list li {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}
#modal-list li:hover { background: var(--panel-2); }

/* ===== Nav button polish — sharper hover, click-down feedback ===== */
.nav button {
  transition: background 0.12s, transform 0.06s, color 0.12s;
}
.nav button:hover { background: rgba(255,255,255,0.06); }
.nav button:active { transform: translateY(1px); background: rgba(240,140,44,0.12); }
.nav button:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===== Spinner / busy indicators ===== */
@keyframes spin360 { to { transform: rotate(360deg); } }
@keyframes fadeInUp { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.18);
  border-top-color: var(--accent, #f08c2c);
  border-radius: 50%;
  animation: spin360 0.8s linear infinite;
  vertical-align: -2px;
}
.spinner.lg { width: 28px; height: 28px; border-width: 3px; }

/* ===== Status pill (next to scene name) ===== */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: #aaa;
  transition: opacity 0.18s, background 0.18s, border-color 0.18s;
  vertical-align: middle;
}
.status-pill.kind-busy   { background: rgba(240,140,44,0.16); border-color: rgba(240,140,44,0.45); color: #ffb064; }
.status-pill.kind-saved  { background: rgba(46,204,113,0.16); border-color: rgba(46,204,113,0.45); color: #6fe39a; }
.status-pill.kind-error  { background: rgba(232,76,61,0.18);  border-color: rgba(232,76,61,0.55); color: #ff8a7e; }
.status-pill.kind-idle   { opacity: 0.55; }
.status-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ===== Toast: typed + animated ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(36, 38, 44, 0.96);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 2000;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.04);
  animation: fadeInUp 0.18s ease-out;
  max-width: 480px;
}
.toast.kind-success { border-color: rgba(46,204,113,0.45); }
.toast.kind-error   { border-color: rgba(232,76,61,0.55);  background: rgba(58, 28, 28, 0.96); }
.toast.kind-busy    { border-color: rgba(240,140,44,0.45); }
.toast .toast-icon  { display: inline-flex; }

/* ===== Modal polish ===== */
.overlay {
  background: rgba(8, 10, 14, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.overlay .card {
  animation: fadeInUp 0.18s ease-out;
  box-shadow: 0 30px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.04);
}

/* Open modal — skeleton rows while scenes are being fetched */
.skeleton-row {
  height: 38px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  margin: 6px 0;
}
@keyframes skeleton-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ===== Full-app blocking load overlay ===== */
#load-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 12, 16, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 4000;
  animation: fadeInUp 0.15s ease-out;
}
#load-overlay.hidden { display: none; }
#load-overlay .panel-card {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  padding: 22px 28px;
  display: flex; align-items: center; gap: 14px;
  font-size: 14px;
  color: var(--text);
  min-width: 280px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.context-menu {
  position: fixed;
  min-width: 170px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}
.context-menu button {
  background: transparent;
  border: 0;
  text-align: left;
  padding: 6px 10px;
  border-radius: 3px;
}
.context-menu button:hover:not(:disabled) { background: var(--panel-2); }
.context-menu button:disabled { color: var(--muted); cursor: not-allowed; opacity: 0.6; }
.context-menu button.danger { color: var(--danger); }

#hierarchy-list .row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  user-select: none;
}
#hierarchy-list .row:hover { background: var(--panel-2); }
#hierarchy-list .row.selected { background: var(--accent); color: #fff; }
#hierarchy-list .indent { display: inline-block; width: 12px; }
#hierarchy-list .expand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--muted);
  cursor: pointer;
}
#hierarchy-list .expand:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--border);
  background: var(--panel);
}
#hierarchy-list .expand:disabled { cursor: default; opacity: 0.5; }
#hierarchy-list .row.selected .expand { color: #fff; }
#hierarchy-list .type {
  font-size: 10px;
  color: var(--muted);
  margin-left: auto;
}
#hierarchy-list .row.selected .type { color: rgba(255,255,255,0.8); }
/* Behavior badges: ⚡ trigger · ⟳ dynamic · ◆ keystate — at-a-glance on the row. */
.hier-badges { display: inline-flex; gap: 3px; align-items: center; margin-left: 6px; flex: 0 0 auto; }
.hier-badge { font-size: 11px; line-height: 1; cursor: help; }
.hier-badge-trig { color: #ffcc4d; }
.hier-badge-dyn  { color: #4d9aff; }
.hier-badge-ks   { color: #b98cff; }
#hierarchy-list li { padding: 0; }

/* Compact slider rows in the material editor — full-width labels were
   making the panel feel oversized. Put text + slider on one row, cap the
   slider width so the value doesn't dominate. */
#material-section fieldset.stack > label,
#particle-fields label.has-range,
#spline-section fieldset.stack > label.has-range {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}
#material-section fieldset.stack > label > input[type="range"],
#particle-fields label.has-range > input[type="range"],
#spline-section fieldset.stack > label.has-range > input[type="range"] {
  width: 130px;
  flex: 0 0 130px;
  margin: 0;
}
/* Color, number and select inputs sitting inline with their label keep
   matching width budget so rows align. */
#material-section fieldset.stack > label > input[type="color"],
#material-section fieldset.stack > label > input[type="number"] {
  width: 130px;
  flex: 0 0 130px;
}
#material-section fieldset.stack > label > select {
  max-width: 160px;
  flex: 0 1 160px;
}
/* Inline checkboxes (e.g. SBS, flip-normals) keep their existing layout. */
#material-section fieldset.stack > label.inline {
  justify-content: flex-start;
}

/* ──────────────────────────────────────────────────────────────────
   Brand row at the top of the left nav panel.
   Logo (small) + "Abhigyaan3D Studio" text, sits ABOVE the Menu header.
   ────────────────────────────────────────────────────────────────── */
.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(77,154,255,0.08), transparent);
}
.brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 6px;
  /* PNG ships at ~3:1 — use object-fit:contain so it doesn't crop */
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  min-width: 0;
}
.brand-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}
.brand-name .brand-accent {
  color: var(--accent);
  margin-left: 1px;
}
.brand-sub {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 2px;
}

/* ──────────────────────────────────────────────────────────────────
   Right-panel polish — Object tab.
   The default `.tab-panel label` rule uses justify-content: space-between
   which causes long labels to push their controls off-screen. Constrain
   inputs/sliders to a fixed-share width budget so rows stay aligned.
   ────────────────────────────────────────────────────────────────── */

/* Inline checkboxes — checkbox-on-left, label-on-right, no stretching. */
.tab-panel label.inline {
  justify-content: flex-start;
  gap: 8px;
}
.tab-panel label.inline > input[type="checkbox"] {
  flex: 0 0 auto;
  margin: 0;
  width: 14px;
  height: 14px;
}
.tab-panel label.inline > span {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Range sliders should never overflow their row. Give them a fixed share
   with a sensible max so the label has room to breathe on either side. */
.tab-panel input[type="range"] {
  flex: 0 1 150px;
  width: 150px;
  max-width: 60%;
  margin: 0;
}

/* Single-line label text shouldn't wrap and break alignment; truncate. */
.tab-panel label:not(.inline) {
  min-width: 0;
}
.tab-panel label > :not(input):not(select):not(textarea):not(button):first-child {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Color pickers — give them a consistent fixed width so they line up
   neatly with adjacent number inputs and sliders. */
.tab-panel input[type="color"] {
  flex: 0 0 56px;
  width: 56px;
  height: 26px;
  padding: 1px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  cursor: pointer;
}

/* Number inputs in non-fieldset contexts get a sane fixed share too. */
.tab-panel > #object-props label > input[type="number"] {
  flex: 0 0 110px;
  max-width: 110px;
}
/* Inside fieldset.stack, allow a bit wider so legend-aligned inputs aren't squished. */
.tab-panel > #object-props fieldset.stack label > input[type="number"] {
  flex: 0 0 130px;
  max-width: 130px;
}

/* Tighter accordion gaps so the Object tab doesn't feel airy when many
   sections are open at once. */
.tab-panel #object-props .accordion {
  margin: 6px 0;
}
.tab-panel #object-props .accordion-body {
  padding: 8px 10px;
}

/* Default-collapsed accordions for the lower-priority sections.
   The toggle still uses aria-expanded as the source of truth, but the
   first-paint rule keeps the body hidden until the user opens it. */
.accordion[data-accordion="dynamics"] .accordion-body,
.accordion[data-accordion="physics"] .accordion-body,
.accordion[data-accordion="array"] .accordion-body {
  /* JS reads aria-expanded; this is purely visual */
}

/* Section spacing: small dividers above the type-specific accordions
   so they read as a separate "Type" group below the universal ones. */
.accordion[data-accordion="material"],
.accordion[data-accordion="particles"],
.accordion[data-accordion="spline"],
.accordion[data-accordion="text3d"],
.accordion[data-accordion="canvas2d"],
.accordion[data-accordion="primitive"],
.accordion[data-accordion="sound"],
.accordion[data-accordion="ata-anchor"] {
  border-color: var(--accent);
}
.accordion[data-accordion="material"] .accordion-header,
.accordion[data-accordion="particles"] .accordion-header,
.accordion[data-accordion="spline"] .accordion-header,
.accordion[data-accordion="text3d"] .accordion-header,
.accordion[data-accordion="canvas2d"] .accordion-header,
.accordion[data-accordion="primitive"] .accordion-header,
.accordion[data-accordion="sound"] .accordion-header,
.accordion[data-accordion="ata-anchor"] .accordion-header {
  background: linear-gradient(180deg, rgba(77,154,255,0.08), var(--panel-2));
}

/* ──────────────────────────────────────────────────────────────────
   Hierarchy panel — search + category filter + bulk actions
   ────────────────────────────────────────────────────────────────── */
.hier-filter-row {
  display: flex;
  gap: 6px;
  padding: 6px 8px 0;
}
.hier-filter-row .hier-search {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 12px;
}
.hier-filter-row .hier-category {
  flex: 0 0 110px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 4px;
  font-size: 11px;
}
.hier-bulk-row {
  display: flex;
  gap: 4px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
.hier-bulk-row .mini {
  flex: 1 1 auto;
  font-size: 10px;
  padding: 3px 4px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  cursor: pointer;
}
.hier-bulk-row .mini:hover {
  color: var(--text);
  border-color: var(--accent);
}
/* Search-highlight cue: rows that match a non-empty search get a thin
   accent line on the left. */
#hierarchy-list li.hier-match > .row {
  box-shadow: inset 2px 0 0 var(--accent);
}
#hierarchy-list li.hier-hidden { display: none; }

/* Trigger / Dynamic modals — double-wide layout with a 50:50 grid so the
   right pane carries the optional condition (if / while + variable + op). */
.overlay .card.trigger-card-wide {
  width: min(960px, 92vw);
  max-width: 960px;
}
.trigger-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}
.trigger-pane { min-width: 0; }
.trigger-pane-right {
  border-left: 1px solid var(--panel-2);
  padding-left: 16px;
}
.trigger-pane-right code {
  background: var(--panel-2);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.85em;
}
@media (max-width: 720px) {
  .trigger-grid { grid-template-columns: 1fr; }
  .trigger-pane-right { border-left: 0; border-top: 1px solid var(--panel-2); padding-left: 0; padding-top: 12px; }
}

/* Scene-tab Variables list */
.scene-vars-list { list-style: none; padding: 0; margin: 0 0 6px 0; }
.scene-vars-list li {
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  gap: 6px;
  align-items: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--panel-2);
}
.scene-vars-list .var-type-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 3px;
  background: var(--panel-2);
  color: var(--text);
  min-width: 18px;
  text-align: center;
}
.scene-vars-list .var-type-badge.b { background: #4a6fff; color: #fff; }
.scene-vars-list .var-type-badge.n { background: #3fa56a; color: #fff; }
.scene-vars-list .var-type-badge.s { background: #c47a3a; color: #fff; }
.scene-vars-list .var-name {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.scene-vars-list .var-del {
  background: transparent; border: 0; cursor: pointer;
  color: var(--text); opacity: .55; font-size: 16px;
  padding: 0 4px; line-height: 1;
}
.scene-vars-list .var-del:hover { color: #e55; opacity: 1; }
.scene-vars-list .var-empty {
  display: block !important; color: var(--muted); font-size: 12px;
  padding: 6px 0; border-bottom: 0;
}

/* Drag-and-drop reparenting cues. .hier-dragging dims the source row;
   .hier-drop-target outlines the row that would receive the drop;
   .hier-drop-root highlights the list background for "detach to scene root". */
#hierarchy-list .row.hier-dragging { opacity: 0.45; }
#hierarchy-list .row.hier-drop-target {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
#hierarchy-list.hier-drop-root {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}

/* ──────────────────────────────────────────────────────────────────
   Open / Save modals — tabbed picker + list/card view + disk option
   ────────────────────────────────────────────────────────────────── */
.open-modal-card {
  width: min(720px, 92vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
.open-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 4px 8px;
}
.open-modal-header h3 { flex: 1 1 auto; margin: 0; }
.open-modal-view-toggle {
  display: inline-flex;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
  background: var(--panel);
}
.open-modal-view-toggle .mini {
  background: transparent;
  border: 0;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.open-modal-view-toggle .mini.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.open-modal-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  padding: 0 4px;
}
.open-modal-tabs .open-tab {
  background: transparent;
  border: 0;
  color: var(--muted);
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.open-modal-tabs .open-tab:hover { color: var(--text); }
.open-modal-tabs .open-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.open-modal-search-row {
  display: flex;
  gap: 6px;
  padding: 8px 4px 4px;
}
.open-modal-search-row input[type="search"] {
  flex: 1 1 auto;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 13px;
}
.open-modal-body {
  flex: 1 1 auto;
  min-height: 200px;
  max-height: 56vh;
  overflow-y: auto;
  margin: 4px 0;
  padding: 4px 0;
}
.modal-list { list-style: none; margin: 0; padding: 0; }
.modal-list.modal-list--list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.modal-list.modal-list--list li:hover { background: var(--panel-2); }
.modal-list.modal-list--list li > div:first-child { flex: 1 1 auto; min-width: 0; }
.modal-list.modal-list--list li button { font-size: 11px; padding: 4px 10px; }

.modal-list.modal-list--cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  padding: 8px;
}
.modal-list.modal-list--cards li {
  display: flex;
  flex-direction: column;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  transition: border-color 120ms, transform 120ms;
}
.modal-list.modal-list--cards li:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.modal-list.modal-list--cards li .modal-card-thumb {
  height: 80px;
  background: linear-gradient(135deg, rgba(77,154,255,0.18), rgba(155,89,182,0.18));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--muted);
  margin-bottom: 8px;
}
.modal-list.modal-list--cards li .modal-card-name {
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.modal-list.modal-list--cards li .modal-card-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.modal-list.modal-list--cards li .modal-card-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}
.modal-list.modal-list--cards li .modal-card-actions button {
  flex: 1 1 auto;
  font-size: 10px;
  padding: 3px 6px;
}

/* Skeleton placeholder rows while a list is loading */
.skeleton-row {
  height: 36px;
  background: linear-gradient(90deg, var(--panel-2) 0%, var(--panel) 50%, var(--panel-2) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 4px;
  margin-bottom: 6px;
  list-style: none;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Disk-only empty state — friendly nudge when there are no files yet. */
.modal-empty {
  list-style: none;
  text-align: center;
  padding: 30px 20px;
  color: var(--muted);
  font-size: 13px;
}

/* Save-modal destination toggle */
.save-modal-card { width: min(520px, 92vw); }
.save-dest-row {
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  /* Need the !important here because the global `fieldset` rule sets
     `display: grid; grid-template-columns: repeat(3, 1fr)` which would
     fight the column flex if specificity ordering shifts. */
}
.save-dest-row legend {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 0 4px;
}
.save-dest-option {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 120ms, border-color 120ms;
  margin: 0;
}
.save-dest-option:hover { background: var(--panel-2); }
.save-dest-option:has(input:checked) {
  background: rgba(77,154,255,0.10);
  border-color: var(--accent);
}
/* The global `fieldset input { width: 100% }` rule was stretching the
   radio circle to fill the row; pin it back to a sane fixed size. */
.save-dest-option > input[type="radio"] {
  width: 14px !important;
  height: 14px !important;
  flex: 0 0 14px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.save-dest-option > span {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  white-space: normal;
}
.save-dest-option strong {
  color: var(--text);
  margin-right: 4px;
  font-size: 14px;
}

/* Open-modal empty state — overrides the flex/grid li layout that the
   parent .modal-list--list / --cards rules inherit, so the picker hint
   renders as a centered block instead of a tight flex row. */
.modal-list .modal-empty {
  display: block !important;
  cursor: default !important;
  border-bottom: 0 !important;
  background: transparent !important;
  padding: 30px 24px !important;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  grid-column: 1 / -1; /* span all columns when in cards/grid view */
  flex: 1 1 100%;       /* span the full row when in list/flex view */
}
.modal-list .modal-empty p { margin: 0 0 14px; }
.modal-list .modal-empty p:last-child { margin: 14px 0 0; }
.modal-list .modal-empty button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 13px;
  margin: 0 auto;
}
.modal-list .modal-empty code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 11px;
}

/* ===== Scripts feature ===== */
.viewport-tabs {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 12;
  display: flex;
  gap: 0;
  background: rgba(20, 22, 26, 0.85);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  backdrop-filter: blur(6px);
}
.viewport-tabs button {
  background: transparent;
  border: 0;
  color: var(--muted);
  padding: 6px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.viewport-tabs button:last-child { border-right: 0; }
.viewport-tabs button:hover { color: var(--text); }
.viewport-tabs button.active {
  color: var(--text);
  background: var(--panel);
  box-shadow: inset 0 -2px 0 var(--accent);
}

#viewport.script-mode #three-container,
#viewport.script-mode #toolbar,
#viewport.script-mode #view-toolbar,
#viewport.script-mode #play-dock,
#viewport.script-mode .scene-name-row { display: none !important; }

.script-editor-pane {
  position: absolute;
  inset: 44px 0 0 0;
  display: flex;
  background: #0f1013;
  z-index: 8;
}
.script-editor-pane.hidden { display: none; }
.script-editor-sidebar {
  width: 240px;
  border-right: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.script-editor-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.script-editor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  overflow-y: auto;
}
.script-editor-list li {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.script-editor-list li:hover { background: var(--panel-2); }
.script-editor-list li.active {
  background: var(--panel-2);
  box-shadow: inset 3px 0 0 var(--accent);
}
.script-editor-list li .script-meta {
  font-size: 10px;
  color: var(--muted);
}
.script-editor-list li .script-scope {
  display: inline-block;
  padding: 0 4px;
  border-radius: 3px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  font-size: 9px;
  text-transform: uppercase;
  margin-left: 4px;
}
.script-editor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.script-editor-toolbar {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.script-editor-toolbar input[type="text"] {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
}
.script-editor-toolbar select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 11px;
}
.script-editor-desc {
  background: var(--panel-2);
  border: 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  font-size: 12px;
}
.script-editor-code {
  flex: 1;
  background: #11141a;
  border: 0;
  color: #d8e0ea;
  padding: 12px 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  resize: none;
  outline: none;
  white-space: pre;
  tab-size: 2;
}
.script-editor-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}

.scripts-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.scripts-list li {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
}
.scripts-list li:hover { background: var(--panel-2); }
.scripts-list li .script-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}
.scripts-list li .script-row strong { color: var(--text); }
.scripts-list li .script-row .row-actions {
  display: flex;
  gap: 4px;
}
.scripts-list li .script-row .row-actions button {
  font-size: 10px;
  padding: 2px 6px;
}
.scripts-list .empty {
  padding: 18px 12px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

.attached-scripts-list {
  list-style: none;
  margin: 0 0 8px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.attached-scripts-list li {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 12px;
}
.attached-scripts-list .att-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}
.attached-scripts-list .att-row strong { font-weight: 600; }
.attached-scripts-list .att-actions {
  display: flex;
  gap: 4px;
}
.attached-scripts-list .att-actions button {
  font-size: 10px;
  padding: 2px 6px;
}
.attached-scripts-list .att-params {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px dashed var(--border);
  display: none;
}
.attached-scripts-list li.expanded .att-params { display: block; }
.attached-scripts-list .att-params textarea {
  width: 100%;
  background: #11141a;
  color: #d8e0ea;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  padding: 4px;
  resize: vertical;
  min-height: 50px;
}
.attached-scripts-list .att-row label.disable-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--muted);
}

/* ===== Accordion-header inline action icons (Copy/Paste transform, etc.) ===== */
.accordion-header .header-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding-right: 4px;
}
.accordion-header .header-actions .hbtn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 2px 6px;
  min-width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.65;
  transition: background 80ms, opacity 80ms;
}
.accordion-header .header-actions .hbtn:hover {
  background: var(--panel);
  border-color: var(--border);
  color: var(--text);
  opacity: 1;
}

/* ===== Animation Sequences pane (3rd central viewport tab) =====
   Split-view: top half = live 3D viewport (so the designer sees the
   sequence apply to the target on Play), bottom half = designer. */
#viewport.sequences-mode #three-container {
  /* Keep the canvas visible, resized to fill the top half of the viewport. */
  position: absolute;
  inset: 44px 0 50% 0 !important;
  z-index: 6;
}
#viewport.sequences-mode #toolbar,
#viewport.sequences-mode #view-toolbar { z-index: 7; }
#viewport.sequences-mode .scene-name-row,
#viewport.sequences-mode #play-dock { display: none !important; }

.sequences-pane {
  position: absolute;
  /* Bottom 50% of the viewport — sits flush below the canvas. */
  top: 50%;
  left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  background: #0f1013;
  z-index: 8;
  border-top: 2px solid var(--accent);
}
.seq-banner {
  flex: 0 0 auto;
  padding: 6px 14px;
  font-size: 11px;
  color: var(--muted);
  background: rgba(255,140,50,0.06);
  border-bottom: 1px solid var(--border);
}
.seq-banner code { background: rgba(255,255,255,0.06); padding: 0 4px; border-radius: 3px; color: var(--text); }
.seq-body {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}
.sequences-pane.hidden { display: none; }

.seq-sidebar {
  width: 260px;
  border-right: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}
.seq-section { border-bottom: 1px solid var(--border); padding: 8px 0; }
.seq-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.seq-hint {
  margin: 4px 12px 6px;
  padding: 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
  font-style: italic;
}
.seq-hint.inline { margin: 0 0 0 6px; display: inline; font-style: normal; }
.seq-add-step-row .mini.primary {
  background: rgba(255,140,50,0.20);
  border-color: rgba(255,140,50,0.55);
  color: #ffb070;
}
.seq-clip-list, .seq-list { list-style: none; margin: 0; padding: 4px 0; }
.seq-clip-list li, .seq-list li {
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.seq-clip-list li:hover, .seq-list li:hover { background: rgba(255,255,255,0.04); }
.seq-list li.active { background: rgba(255,140,50,0.15); border-left: 2px solid var(--accent); padding-left: 10px; }
.seq-list li .seq-meta, .seq-clip-list li .clip-meta { color: var(--muted); font-size: 11px; }
.seq-list li .seq-row-del, .seq-clip-list li .clip-row-del {
  background: transparent; border: 0; color: var(--muted); cursor: pointer; padding: 0 4px;
  opacity: 0; transition: opacity 100ms;
}
.seq-list li:hover .seq-row-del, .seq-clip-list li:hover .clip-row-del { opacity: 1; }
.seq-list li .seq-row-del:hover, .seq-clip-list li .clip-row-del:hover { color: #ff5040; }
.seq-empty { color: var(--muted); font-size: 12px; font-style: italic; padding: 8px 12px !important; cursor: default !important; }

.seq-designer {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.seq-designer-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.seq-designer-body { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.seq-designer-body.hidden { display: none; }

.seq-designer-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
}
.seq-name-input {
  flex: 1;
  min-width: 160px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
}
.seq-name-input:focus, .seq-name-input:hover { border-color: var(--border); outline: none; }
.seq-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  color: var(--muted);
}
.seq-field select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 13px;
  min-width: 130px;
}
.seq-field-check { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.seq-designer-actions { display: flex; gap: 6px; margin-left: auto; }

/* ===== Timeline view ===== */
.seq-timeline {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #0a0a0e;
  min-height: 0;
  overflow: hidden;
}
.seq-timeline-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  color: var(--muted);
  font-style: italic;
  font-size: 13px;
  z-index: 1;
}
.seq-timeline-empty.hidden { display: none; }
.seq-timeline-grid {
  position: relative;
  flex: 1;
  display: flex;
  min-height: 0;
}
.seq-timeline-labels {
  width: 90px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: #0c0d12;
  border-right: 1px solid #222;
}
.seq-timeline-label {
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-bottom: 1px solid #1a1c22;
}
.seq-timeline-label-ruler { height: 22px; background: #0a0a0e; }
.seq-timeline-label-motion { flex: 1; color: var(--accent); }
.seq-timeline-label-audio  { flex: 1; color: #6ab0ff; }

.seq-timeline-scroll {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
}
.seq-timeline-inner {
  position: relative;
  height: 100%;
  /* width set by JS — sequence-total-duration * px-per-sec, min 100% */
}
.seq-timeline-ruler {
  position: relative;
  height: 22px;
  background: #0a0a0e;
  border-bottom: 1px solid #1a1c22;
}
.seq-timeline-ruler-tick {
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: rgba(255,255,255,0.08);
  font-size: 10px;
  color: var(--muted);
  padding-left: 4px;
  white-space: nowrap;
  line-height: 22px;
}
.seq-timeline-channel {
  position: relative;
  height: calc(50% - 11px);
  border-bottom: 1px solid #1a1c22;
}
.seq-timeline-channel[data-channel="motion"] { background: rgba(255,140,50,0.03); }
.seq-timeline-channel[data-channel="audio"]  { background: rgba(80,160,255,0.03); }

.seq-tl-block {
  position: absolute;
  top: 6px;
  bottom: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 1px;
  overflow: hidden;
  transition: transform 80ms, box-shadow 80ms;
  font-size: 11px;
  min-width: 24px;
  white-space: nowrap;
  user-select: none;
}
.seq-tl-block.motion {
  background: linear-gradient(180deg, rgba(255,140,50,0.55), rgba(255,140,50,0.35));
  border: 1px solid rgba(255,140,50,0.7);
  color: #fff;
}
.seq-tl-block.audio {
  background: linear-gradient(180deg, rgba(80,160,255,0.45), rgba(80,160,255,0.3));
  border: 1px solid rgba(80,160,255,0.65);
  color: #fff;
}
.seq-tl-block.empty {
  background: rgba(255,255,255,0.02);
  border: 1px dashed rgba(255,255,255,0.18);
  color: var(--muted);
}
.seq-tl-block.selected { box-shadow: 0 0 0 2px var(--accent); z-index: 4; }
.seq-tl-block.multi-selected:not(.selected) { box-shadow: 0 0 0 1px rgba(255,140,50,0.7); }
.seq-tl-block.running { box-shadow: 0 0 12px rgba(255,140,50,0.6); border-color: var(--accent); }
.seq-tl-block .tl-label {
  font-weight: 600;
  text-overflow: ellipsis;
  overflow: hidden;
}
.seq-tl-block .tl-meta {
  font-size: 9px;
  opacity: 0.85;
  text-overflow: ellipsis;
  overflow: hidden;
}
.seq-tl-block .tl-icon {
  display: inline-block;
  margin-right: 3px;
  font-size: 11px;
}
.seq-tl-block .tl-del {
  position: absolute;
  top: 1px; right: 2px;
  background: rgba(0,0,0,0.35);
  border: 0;
  color: #fff;
  cursor: pointer;
  font-size: 11px;
  line-height: 1;
  padding: 1px 4px;
  border-radius: 3px;
  opacity: 0;
  transition: opacity 80ms;
}
.seq-tl-block:hover .tl-del { opacity: 1; }
.seq-tl-block .tl-del:hover { background: #ff5040; }
.seq-tl-block.dragging { opacity: 0.4; }
.seq-tl-block.drop-target-before { box-shadow: -3px 0 0 0 var(--accent); }
.seq-tl-block.drop-target-after  { box-shadow:  3px 0 0 0 var(--accent); }

.seq-timeline-playhead {
  position: absolute;
  top: 22px; /* below ruler */
  bottom: 0;
  width: 2px;
  background: #ffd54d;
  box-shadow: 0 0 6px rgba(255,213,77,0.7);
  pointer-events: none;
  z-index: 5;
  display: none;
}
.seq-timeline-playhead.active { display: block; }

.seq-timeline.drop-target .seq-timeline-channel {
  background: rgba(255,140,50,0.08);
}

.seq-step-card {
  flex: 0 0 auto;
  width: 132px;
  min-height: 0;
  height: auto;
  background: linear-gradient(180deg, #1a1d24 0%, #14161c 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
  transition: border-color 100ms, transform 100ms;
  position: relative;
}
.seq-step-card .step-type { font-size: 9px; }
.seq-step-card .step-label { font-size: 12px; }
.seq-step-card .step-detail { font-size: 10px; }
.seq-step-card:hover { border-color: var(--accent); }
.seq-step-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(255,140,50,0.2); }
.seq-step-card .step-type {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  font-weight: 700;
}
.seq-step-card .step-label {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.seq-step-card .step-detail {
  font-size: 11px;
  color: var(--muted);
}
.seq-step-card .step-del {
  position: absolute;
  top: 4px; right: 4px;
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  padding: 0 4px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 100ms;
}
.seq-step-card:hover .step-del { opacity: 1; }
.seq-step-card .step-del:hover { color: #ff5040; }
.seq-step-card .step-handle {
  position: absolute;
  top: 4px; left: 4px;
  font-size: 10px;
  color: var(--muted);
  opacity: 0;
  cursor: grab;
}
.seq-step-card:hover .step-handle { opacity: 0.6; }

/* Drag visual states */
.seq-clip-list li[draggable="true"] { cursor: grab; }
.seq-clip-list li.dragging { opacity: 0.5; }
.seq-step-card.dragging { opacity: 0.4; }
.seq-step-card.drop-target {
  border-color: var(--accent);
  box-shadow: -4px 0 0 0 var(--accent);
}
.seq-track.drop-target {
  background: linear-gradient(180deg, rgba(255,140,50,0.07), rgba(255,140,50,0.04));
  outline: 2px dashed rgba(255,140,50,0.5);
  outline-offset: -8px;
}

.seq-add-step-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  flex-wrap: wrap;
}

.seq-step-inspector {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  background: #0c0d12;
  max-height: 220px;
  overflow-y: auto;
}
.seq-step-inspector.hidden { display: none; }
.seq-step-inspector h4 {
  margin: 0 0 10px 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
}
.seq-step-inspector .seq-field { margin-bottom: 10px; max-width: 320px; }
.seq-step-inspector input[type="text"],
.seq-step-inspector input[type="number"],
.seq-step-inspector select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  font-size: 13px;
}

/* Collapsible "More options" section in the step inspector */
.seq-more {
  border-top: 1px dashed var(--border);
  margin-top: 10px;
  padding-top: 4px;
}
.seq-more > summary {
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 6px 0;
  user-select: none;
  list-style: none;
}
.seq-more > summary::before { content: '▸ '; color: var(--accent); }
.seq-more[open] > summary::before { content: '▾ '; }
.seq-more > summary:hover { color: var(--text); }

/* Start-position row in the step inspector — XYZ inline + "From target" */
.seq-startpos-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 12px;
  background: rgba(255,140,50,0.07);
  border: 1px solid rgba(255,140,50,0.25);
  border-radius: 6px;
  flex-wrap: wrap;
}
.seq-startpos-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  font-weight: 700;
  align-self: center;
  margin-right: 4px;
}
.seq-step-inspector .seq-field.inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  margin: 0;
  max-width: none;
}
.seq-step-inspector .seq-field.inline > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  min-width: 12px;
}
.seq-step-inspector .seq-field.inline input[type="number"] {
  width: 72px;
  padding: 4px 6px;
}

/* Per-card position line — small, dim, hugs the bottom of the card */
.seq-step-card .step-pos {
  font-size: 9px;
  color: rgba(255,140,50,0.75);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Live playback indicator — thin bar at the bottom of the running card. */
.seq-step-card .step-progress {
  position: absolute;
  left: 0; right: auto; bottom: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  border-radius: 0 0 6px 6px;
  transition: width 80ms linear;
}
.seq-step-card.step-running { border-color: var(--accent); box-shadow: 0 0 10px rgba(255,140,50,0.4); }

/* Multi-select highlight — outline only, lighter than the primary selection */
.seq-step-card.multi-selected:not(.selected) {
  border-color: rgba(255,140,50,0.7);
}

/* Step card badges row — snap (⌖), audio (🔊), loop-to-audio (🔊↻) */
.seq-step-card .step-badges {
  display: flex;
  gap: 4px;
  margin-top: 2px;
  flex-wrap: wrap;
}
.seq-step-card .step-badge {
  font-size: 10px;
  padding: 0 4px;
  border-radius: 4px;
  background: rgba(255,140,50,0.18);
  color: var(--accent);
  line-height: 1.5;
}
.seq-step-card .step-badge.audio {
  background: rgba(80,160,255,0.18);
  color: #6ab0ff;
}

/* Per-step Audio block in the inspector */
.seq-audio-block {
  margin-top: 14px;
  padding: 10px;
  background: rgba(80,160,255,0.06);
  border: 1px solid rgba(80,160,255,0.22);
  border-radius: 6px;
}
.seq-audio-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6ab0ff;
  font-weight: 700;
  margin-bottom: 8px;
}

/* Sequence total-duration pill in the header */
.seq-duration {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(255,140,50,0.10);
  border: 1px solid rgba(255,140,50,0.25);
  border-radius: 12px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-left: 6px;
}