styles.css

.open-reader-settings textarea {
  width: 100%;
  min-height: 5rem;
}

.open-reader-settings .setting-item-description code {
  white-space: nowrap;
}

/* 设置页分组标题 */
.open-reader-settings h3.open-reader-settings-section {
  margin-top: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--background-modifier-border);
  font-size: var(--font-ui-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* ==========================================
   控制器浮窗样式
   ========================================== */
.open-reader-controller {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: var(--layer-popover);
  width: 340px;
  padding: 14px 16px;
  border: 1px solid var(--background-modifier-border);
  border-radius: 12px;
  background: var(--background-primary);
  box-shadow: 0 8px 32px rgb(0 0 0 / 20%);
  font-family: var(--font-ui);
  transition: box-shadow 0.2s ease, opacity 0.2s ease;
}

.open-reader-controller:hover {
  box-shadow: 0 12px 40px rgb(0 0 0 / 25%);
}

.open-reader-controller.is-dragging {
  box-shadow: 0 16px 48px rgb(0 0 0 / 30%);
  opacity: 0.95;
}

/* === 顶部区域：拖拽手柄 + 标题 + 文件名 + 关闭 === */
.open-reader-controller-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

/* 拖拽手柄 */
.open-reader-controller-drag {
  padding: 4px 6px;
  cursor: grab;
  color: var(--text-muted);
  font-size: 12px;
  border-radius: 4px;
  user-select: none;
  flex-shrink: 0;
}

.open-reader-controller-drag:hover {
  background: var(--background-modifier-hover);
  color: var(--text-normal);
}

.open-reader-controller.is-dragging .open-reader-controller-drag {
  cursor: grabbing;
}

/* 标题 + 文件名区域 */
.open-reader-controller-title-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.open-reader-controller-title {
  font-weight: 600;
  font-size: var(--font-ui-medium);
  color: var(--text-normal);
  line-height: 1.2;
}

/* 文件名（截断显示） */
.open-reader-controller-filename {
  font-size: var(--font-ui-small);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* 关闭按钮 */
.open-reader-controller-close {
  padding: 4px 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  border-radius: 6px;
  flex-shrink: 0;
}

.open-reader-controller-close:hover {
  background: var(--background-modifier-hover);
  color: var(--text-normal);
}

/* === 进度区域 === */
.open-reader-controller-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

/* 进度条轨道 */
.open-reader-controller-progress-track {
  flex: 1;
  height: 8px;
  background: var(--background-modifier-border);
  border-radius: 4px;
  overflow: hidden;
}

/* 进度条填充 */
.open-reader-controller-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--interactive-accent, #7d7d7d) 0%, #5eb5e0 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* 进度文字 */
.open-reader-controller-progress-text {
  font-size: var(--font-ui-small);
  color: var(--text-muted);
  min-width: 36px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* === 状态区域 === */
.open-reader-controller-status-area {
  margin-bottom: 12px;
}

.open-reader-controller-status {
  color: var(--text-normal);
  font-size: var(--font-ui-medium);
  font-weight: 500;
}

/* === 播放速度区域 === */
.open-reader-controller-speed {
  display: flex;
  align-items: center;
  gap: 8px;
}

.open-reader-controller-speed-label {
  color: var(--text-muted);
  font-size: var(--font-ui-small);
  white-space: nowrap;
}

.open-reader-controller-speed-buttons {
  display: flex;
  flex: 1;
  gap: 4px;
}

.open-reader-controller-speed-btn {
  flex: 1;
  min-width: 0;
  padding: 6px 2px;
  border: 1px solid var(--background-modifier-border);
  border-radius: 6px;
  background: var(--background-secondary);
  color: var(--text-normal);
  cursor: pointer;
  font-size: var(--font-ui-smaller);
  font-weight: 500;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.open-reader-controller-speed-btn:hover {
  background: var(--background-modifier-hover);
  border-color: var(--interactive-accent, var(--text-muted));
}

.open-reader-controller-speed-btn:active {
  transform: translateY(1px);
}

.open-reader-controller-speed-btn.is-active {
  background: var(--interactive-accent);
  border-color: var(--interactive-accent);
  color: var(--text-on-accent);
}

/* === 操作按钮区域 === */
.open-reader-controller-actions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.open-reader-controller-actions button {
  min-width: 0;
  padding: 8px 4px;
  border: 1px solid var(--background-modifier-border);
  border-radius: 8px;
  background: var(--background-secondary);
  color: var(--text-normal);
  cursor: pointer;
  font-size: var(--font-ui-small);
  font-weight: 500;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.open-reader-controller-actions button:hover:not(:disabled) {
  background: var(--background-modifier-hover);
  border-color: var(--interactive-accent, var(--text-muted));
  transform: translateY(-1px);
}

.open-reader-controller-actions button:active:not(:disabled) {
  transform: translateY(0);
}

.open-reader-controller-actions button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.open-reader-controller-actions button:last-child {
  /* 目录按钮 */
}

.open-reader-controller-actions button:nth-child(4) {
  /* 设置按钮 */
  font-size: 16px;
}

/* ==========================================
   暗色模式适配
   ========================================== */
.theme-dark .open-reader-controller {
  background: var(--background-primary);
  box-shadow: 0 8px 32px rgb(0 0 0 / 40%);
}

.theme-dark .open-reader-controller:hover {
  box-shadow: 0 12px 40px rgb(0 0 0 / 50%);
}

.theme-dark .open-reader-controller-progress-fill {
  background: linear-gradient(90deg, #4a9edd 0%, #7dc4f0 100%);
}