/* iMerl Network 主题 - 语义化颜色令牌 (映射为 light) */
[data-theme="light"] {
  --bg-base: #0f172a;
  --bg-primary: #1e293b;
  --bg-secondary: #334155;
  --bg-surface: #1e293b;
  --bg-elevated: #334155;
  --bg-deep: #020617;
  --bg-sunken: #020617;
  --bg-hover: #475569;
  --border-primary: #334155;
  --border-secondary: #475569;
  --border-subtle: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #64748b;
  --scrollbar-track: #0f172a;
  --scrollbar-thumb: #334155;
  --scrollbar-thumb-hover: #475569;
  --glass-bg: rgba(30, 41, 59, 0.75);
  --glass-border: rgba(148, 163, 184, 0.1);
  --nav-active-bg: rgba(59, 130, 246, 0.15);
  --nav-hover-bg: rgba(59, 130, 246, 0.1);
  --btn-primary-bg: #3b82f6;
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #2563eb;
  --btn-primary-shadow: rgba(59, 130, 246, 0.3);
  --btn-selected-bg: #1e293b;
  --btn-selected-border: #3b82f6;
  --overlay-heavy: rgba(15, 23, 42, 0.85);
  --overlay-medium: rgba(15, 23, 42, 0.65);
  --overlay-light: rgba(15, 23, 42, 0.35);
  --overlay-full: rgba(15, 23, 42, 0.95);
  --overlay-border: rgba(148, 163, 184, 0.1);
  --selection-bg: rgba(59, 130, 246, 0.3);
  /* 主题强调色 (accent) */
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-muted: #60a5fa;
  --accent-bg: rgba(59, 130, 246, 0.15);
  --accent-bg-hover: rgba(59, 130, 246, 0.25);
  --accent-border: rgba(59, 130, 246, 0.3);
  --accent-text: #60a5fa;
  --accent-text-hover: #93c5fd;
  --accent-on: #ffffff;
  --accent-shadow: rgba(59, 130, 246, 0.25);
  /* 开关/Toggle */
  --toggle-active: #3b82f6;
  --toggle-inactive: #475569;
  --toggle-knob: #ffffff;
  /* 状态色: 成功 */
  --success: #10b981;
  --success-text: #6ee7b7;
  --success-bg: rgba(16, 185, 129, 0.15);
  --success-border: rgba(16, 185, 129, 0.3);
  /* 状态色: 错误/危险 */
  --error: #ef4444;
  --error-text: #fca5a5;
  --error-bg: rgba(239, 68, 68, 0.15);
  --error-border: rgba(239, 68, 68, 0.3);
  --error-hover-bg: rgba(185, 28, 28, 0.25);
  --error-hover-bg-strong: rgba(185, 28, 28, 0.5);
  /* 状态色: 警告 */
  --warning: #f59e0b;
  --warning-text: #fcd34d;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --warning-border: rgba(245, 158, 11, 0.3);
  /* 状态色: 信息 */
  --info: #3b82f6;
  --info-text: #93c5fd;
  --info-bg: rgba(59, 130, 246, 0.15);
  --info-border: rgba(59, 130, 246, 0.3);
  /* 辅助标记色: purple (视频提示词) */
  --tag-purple: #a855f7;
  --tag-purple-bg: rgba(168, 85, 247, 0.15);
  --tag-purple-border: rgba(168, 85, 247, 0.3);
  --tag-purple-hover: rgba(168, 85, 247, 0.25);
}