/* story-editor.css —— 独立剧情编辑页（story-editor.html）外壳。
   第 1 页 = 场景设置（背景库 + 音乐库 + 场景预览 + 剧本来源，gfStory
   SceneSetup 式）；第 2 页 = index.html 的右边两栏（检查器编辑 + 预览）。
   主体样式沿用 app.css（bar/cols/picker/inspector），这里只写两步切换
   与第 1 页布局，类名 se- 前缀避免与外壳重叠。 */

/* —— 两步切换 —— */
.page { display: none; flex: 1; min-height: 0; }
body[data-step="setup"] .page-setup { display: flex; flex-direction: column; }
body[data-step="edit"] .page-edit { display: flex; flex-direction: column; }

/* 第 2 页：只留右边两栏（检查器 + 预览），检查器按 1920 设计稿放宽到 480。 */
.se-cols .col-b { flex: 0 0 calc(480 / 1920 * 100%); border-right: 1px solid var(--line); }

.se-link { align-self: center; color: var(--fg); text-decoration: none; }
.se-link:hover { color: var(--accent); }

/* —— 第 1 页 · 场景设置 —— */
.se-grid {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 1fr);
  gap: 14px;
  min-height: 0;
  padding: 14px;
}

.se-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
  border: 1px solid var(--line);
}

.se-pane-head {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding: 10px 12px;
}

.se-heading { color: var(--fg); font-size: 14px; font-weight: 600; }
.se-desc { color: var(--fg-dim); font-size: 11px; margin-top: 3px; }
.se-count { color: var(--fg-dim); font-size: 12px; }

.se-search-row { padding: 8px 10px; }
.se-search-row input { width: 100%; }

.se-pane-body { flex: 1; min-height: 0; overflow-y: auto; padding: 0 10px 10px; }

/* —— 背景库：分组折叠 + 缩略图网格 —— */
.se-group { border-bottom: 1px solid var(--line); }
.se-group > summary {
  align-items: center;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  font-size: 13px;
  gap: 8px;
  list-style: none;
  min-height: 36px;
  user-select: none;
}
.se-group > summary::before { content: '▸'; color: var(--fg-dim); font-size: 11px; }
.se-group[open] > summary::before { content: '▾'; }
.se-group > summary::-webkit-details-marker { display: none; }
.se-group > summary:hover { background: #ffffff10; }
.se-group-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.se-group-count { color: var(--fg-dim); font-size: 11px; }

.se-bg-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  padding: 2px 0 10px;
}

.se-bg-cell {
  background: #0b0b0e;
  border: 2px solid transparent;
  color: var(--fg);
  cursor: pointer;
  overflow: hidden;
  padding: 0;
  position: relative;
  text-align: left;
}
.se-bg-cell img { aspect-ratio: 16 / 9; display: block; object-fit: cover; width: 100%; }
.se-bg-cell span {
  background: linear-gradient(transparent, #000000d0);
  bottom: 0;
  display: block;
  font-size: 10px;
  left: 0;
  overflow: hidden;
  padding: 10px 6px 3px;
  position: absolute;
  right: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.se-bg-cell:hover { border-color: #ffffffaa; }
.se-bg-cell.selected { border-color: var(--accent); box-shadow: 0 0 0 1px #7cc7ff55; }

.se-empty { color: var(--fg-dim); padding: 16px 8px; text-align: center; }

/* —— 音乐库：分组折叠 + 行列表（试听 / 选中） —— */
.se-mus-rows { padding: 2px 0 10px; }
.se-mus-row {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  display: flex;
  gap: 6px;
  padding: 3px 6px;
  text-align: left;
  width: 100%;
}
.se-mus-row:hover { background: #ffffff10; }
.se-mus-row.selected {
  background: #2b4257;
  border-color: var(--accent);
}
.se-mus-name { flex: 1; font-family: Consolas, monospace; font-size: 12px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.se-mus-dur { color: var(--fg-dim); font: 10px Consolas, monospace; }

/* —— 底部：场景预览 + 剧本来源 —— */
.se-footer {
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(0, 1fr);
  gap: 14px;
  padding: 0 14px 14px;
}

.se-preview { min-width: 0; }
.se-stage {
  aspect-ratio: 16 / 9;
  background: #000 var(--panel-2);
  background-position: center;
  background-size: cover;
  border: 1px solid var(--line);
  margin-top: 8px;
  position: relative;
  width: 100%;
}
.se-stage-hint {
  align-items: center;
  color: var(--fg-dim);
  display: flex;
  height: 100%;
  justify-content: center;
}
.se-stage-music {
  background: #00000090;
  border-radius: 3px;
  bottom: 8px;
  color: var(--fg);
  font-size: 12px;
  left: 8px;
  padding: 2px 8px;
  position: absolute;
}
#ss-stage-note { margin-top: 6px; }

.se-source {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.se-source-btns { flex-wrap: wrap; }
.se-source-info { font-size: 12px; }
.se-note {
  border: 1px dashed var(--line);
  font-size: 11px;
  line-height: 1.7;
  padding: 8px 10px;
}
.se-actions { margin-top: auto; }
.se-error { color: var(--err); font-size: 12px; }
.se-actions .spacer { flex: 1; }

@media (max-width: 900px) {
  .se-grid, .se-footer { grid-template-columns: 1fr; }
}