:root {
  --bg: #1a1a1f;
  --panel: #23232c;
  --panel-2: #2a2a35;
  --border: #333;
  --text: #e8e8ef;
  --muted: #888;
  --accent: #6cf;
  --accent-2: #4a9eff;
  --danger: #f66;
  --success: #6ec77f;
  --warn: #ffc757;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

/* ── header ─────────────────────────────────── */
.pm-header {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 56px;
  padding: 0 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.pm-header h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}
.pm-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  font-size: 12px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.12s;
}
.pm-back:hover { background: var(--accent-2); border-color: var(--accent-2); }
.pm-spacer { flex: 1; }
.pm-actions { display: flex; gap: 6px; }
.pm-actions button {
  background: var(--accent-2);
  color: white;
  border: 0;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
}
.pm-actions button:hover { filter: brightness(1.1); }
.pm-key {
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.pm-key:hover { background: var(--panel-2); }
.pm-key.ok #keyState { color: var(--success); }
.pm-key.missing #keyState { color: var(--danger); }

/* ── layout (resizable 3-pane: list | preview-center | editor) ── */
:root {
  --list-w: 260px;
  --editor-w: 380px;
  --resizer-w: 6px;
}
.pm-layout {
  display: grid;
  grid-template-columns:
    var(--list-w)
    var(--resizer-w)
    minmax(280px, 1fr)
    var(--resizer-w)
    var(--editor-w);
  height: calc(100vh - 56px);
  overflow: hidden;
}
.pm-list, .pm-editor, .pm-preview {
  background: var(--panel);
  overflow-y: auto;
}

/* drag handles between panes */
.pm-resizer {
  background: var(--border);
  cursor: col-resize;
  position: relative;
  transition: background 0.12s;
}
.pm-resizer:hover,
.pm-resizer.active {
  background: var(--accent-2);
}
.pm-resizer::after {
  /* 4px-wide thumb */
  content: "";
  position: absolute;
  inset: 0;
  width: 4px;
  margin: 0 auto;
}

/* ── pane A: list ───────────────────────────── */
.pm-list { padding: 10px; }
.pm-search {
  width: 100%;
  background: #14141a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 10px;
  font-size: 12px;
  margin-bottom: 12px;
}
/* category-grouped <details> */
details.pm-group {
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
details.pm-group > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text);
  padding: 6px 6px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  border-radius: 4px;
}
details.pm-group > summary::-webkit-details-marker { display: none; }
details.pm-group > summary:hover { background: var(--panel-2); }
.pm-group-label { font-weight: 600; }
.pm-group-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pm-count {
  background: var(--panel-2);
  padding: 1px 7px;
  border-radius: 8px;
  font-size: 10px;
  color: var(--muted);
}
.group-rename {
  background: transparent;
  border: 0;
  padding: 0 2px;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  border-radius: 3px;
}
details.pm-group > summary:hover .group-rename { opacity: 0.85; }
.group-rename:hover { background: var(--panel-2); opacity: 1 !important; }
details.pm-group.is-trash > summary {
  color: var(--muted);
  font-style: italic;
}
details.pm-group.is-trash .pm-preset-list li { opacity: 0.7; }
.pm-preset-list { list-style: none; padding: 0; margin: 0; }
.pm-preset-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.1s;
  border: 1px solid transparent;
}
.pm-preset-list li:hover { background: var(--panel-2); }
.pm-preset-list li.active {
  background: rgba(74,158,255,.15);
  border-color: var(--accent-2);
}
.pm-preset-list li .swatch {
  width: 14px; height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
}
.pm-preset-list li .name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 12px;
}
.pm-preset-list li .id-sub {
  font-size: 10px;
  color: var(--muted);
  margin-left: 22px;
  display: block;
}
.pm-preset-list li .cat {
  font-size: 9px;
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 8px;
  color: var(--muted);
}

/* ── pane B: editor ─────────────────────────── */
.pm-editor { padding: 16px 20px; }
.pm-empty {
  color: var(--muted);
  text-align: center;
  padding: 60px 20px;
  font-size: 13px;
}
.pm-banner {
  background: rgba(255,199,87,0.12);
  border: 1px solid var(--warn);
  color: var(--warn);
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 12px;
}
.pm-banner button.link {
  background: none;
  border: 0;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  font-size: 12px;
  padding: 0;
}
.pm-fs {
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 4px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.pm-fs legend {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 6px;
}
.pm-fs label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text);
}
.pm-fs label .hint {
  display: block;
  font-size: 10px;
  color: var(--muted);
  margin-top: 1px;
}
.pm-fs input[type=text],
.pm-fs input[type=color],
.pm-fs select,
.pm-fs textarea {
  width: 100%;
  background: #14141a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 6px 8px;
  font-size: 12px;
  margin-top: 3px;
  font-family: inherit;
}
.pm-fs input[type=color] {
  height: 28px; padding: 2px;
}
.pm-fs input[readonly] { opacity: 0.6; }
.pm-fs label.slider {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  align-items: center;
}
.pm-fs label.slider output {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--accent);
  background: #14141a;
  padding: 2px 6px;
  border-radius: 3px;
  min-width: 36px;
  text-align: right;
}
.pm-fs label.slider input[type=range] {
  grid-column: 1 / -1;
  width: 100%;
}
.pm-fs .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.pm-fs label.radio {
  display: inline-flex; gap: 5px; align-items: center; margin-right: 12px;
}

.anchor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  width: 144px;
  margin: 4px 0 12px;
}
.anchor-grid button {
  background: #14141a;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 16px;
  height: 40px;
  border-radius: 3px;
  cursor: pointer;
}
.anchor-grid button:hover { background: var(--panel-2); }
.anchor-grid button.active {
  background: var(--accent-2);
  color: white;
  border-color: var(--accent-2);
}

/* effect blocks (vibrate / pop) */
.effect-block {
  background: #14141a;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  margin-bottom: 8px;
}
.effect-toggle {
  display: flex !important;
  align-items: center;
  gap: 6px;
  margin: 0 !important;
  font-size: 12px;
  cursor: pointer;
}
.effect-settings {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

/* drag-and-drop indicators */
.pm-preset-list li {
  position: relative;
  cursor: grab;
}
.pm-preset-list li[draggable]:active { cursor: grabbing; }
.pm-preset-list li.dragging { opacity: 0.4; }
.pm-preset-list li.drop-before::before,
.pm-preset-list li.drop-after::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  height: 2px;
  background: var(--accent-2);
  border-radius: 2px;
  pointer-events: none;
}
.pm-preset-list li.drop-before::before { top: -1px; }
.pm-preset-list li.drop-after::after  { bottom: -1px; }

details.pm-group.drop-target > summary {
  background: rgba(74,158,255,0.15);
  outline: 1px solid var(--accent-2);
}

/* telops list (multiple text items per preset) — same look-and-feel as
   the assets list so users get one mental model for both. */
.telops-list {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.telop-card {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px;
  background: #14141a;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}
.telop-card:hover {
  border-color: var(--accent);
}
.telop-card.active {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2);
}
.telop-card .telop-swatch {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 3px;
  background: #0a0a0e;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
}
.telop-card .telop-name {
  flex: 1;
  min-width: 0;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.telop-card .telop-actions {
  display: flex;
  gap: 4px;
}
.telop-card .telop-actions button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 2px 6px;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}
.telop-card .telop-actions button:hover {
  background: var(--panel-2);
  color: var(--text);
}
.telop-card .telop-actions button.danger { color: var(--danger); }
.telop-card .telop-actions button:disabled { opacity: 0.35; cursor: not-allowed; }

/* The per-telop editing form (style/effects/text) — only visible when
   a telop card is selected. Shown inline below the list. */
.telop-editor {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* assets list (multiple images per preset) */
.assets-list {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.asset-card {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px;
  background: #14141a;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.asset-card.active {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2);
}
.asset-card .asset-thumb {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  object-fit: contain;
  background: #0a0a0e;
  border-radius: 3px;
  border: 1px solid var(--border);
}
.asset-card .asset-name {
  flex: 1;
  min-width: 0;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.asset-card .asset-actions {
  display: flex;
  gap: 4px;
}
.asset-card .asset-actions button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 2px 6px;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}
.asset-card .asset-actions button:hover {
  background: var(--panel-2);
  color: var(--text);
}
.asset-card .asset-actions button.danger { color: var(--danger); }
.assets-list:empty + .add-asset-btn,
.assets-list:not(:empty) + .add-asset-btn { margin-top: 4px; }
.add-asset-btn {
  width: 100%;
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--muted);
  padding: 8px;
  font-size: 12px;
  border-radius: 4px;
  cursor: pointer;
}
.add-asset-btn:hover {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(102,204,255,0.04);
}

/* Per-asset inline controls (shown when an asset is selected) */
.asset-card.active .asset-controls { display: block; }
.asset-controls { display: none; flex: 1 1 100%; padding-top: 6px; border-top: 1px dashed var(--border); margin-top: 6px; }
.asset-controls label.slider { font-size: 11px; }

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 4px;
  padding: 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-bottom: 12px;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(102,204,255,0.06);
}
.upload-prompt { color: var(--muted); font-size: 12px; }
.upload-current {
  display: flex;
  gap: 12px;
  align-items: center;
  text-align: left;
  font-size: 12px;
}
.upload-current .asset-thumb {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  object-fit: contain;
  background: #0a0a0e;
  border-radius: 3px;
  border: 1px solid var(--border);
}
.upload-current .asset-meta-block {
  flex: 1;
  min-width: 0;     /* enable text-overflow on long names */
}
.upload-current .asset-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upload-current .hint {
  display: block;
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}
.upload-current .asset-status {
  font-size: 11px;
  margin-top: 4px;
  color: var(--muted);
}
.upload-current .asset-status.ok  { color: var(--success); }
.upload-current .asset-status.err { color: var(--danger); }

.pm-actions-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}
.pm-actions-row button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}
.pm-actions-row button:hover { filter: brightness(1.15); }
.pm-actions-row button.primary {
  background: var(--accent-2);
  color: white;
  border-color: var(--accent-2);
}
.pm-actions-row button.danger {
  background: rgba(255,102,102,0.15);
  border-color: var(--danger);
  color: var(--danger);
}
.pm-actions-row button:disabled {
  opacity: 0.4; cursor: not-allowed;
}
.pm-status {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
}
.pm-status.ok { color: var(--success); }
.pm-status.err { color: var(--danger); }

/* ── pane B (centre): preview ─ toolbar + canvas filling pane ─ */
.pm-preview {
  display: flex;
  flex-direction: column;
  background: #0a0a0e;
  overflow: hidden;
}
.preview-toolbar {
  flex: 0 0 auto;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.preview-toolbar select {
  background: #14141a;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px 8px;
  font-size: 12px;
}
.preview-toolbar .toolbar-dot {
  margin-left: auto;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--success);
}
.preview-toolbar .toolbar-dot.dirty { background: var(--warn); }
.preview-canvas-wrap {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  min-height: 0;           /* allow flex child to shrink within parent */
}
#previewCanvas {
  /* JS sets explicit width/height; here we just provide the frame. */
  background: white;
  display: block;
  box-shadow: 0 0 0 1px var(--border);
}