/* Melosian 主题 - 语义化颜色令牌 (映射为 dark) */
[data-theme="dark"] {
  --bg-base: #050505;
  --bg-primary: #0b0b10;
  --bg-secondary: #0f172a;
  --bg-surface: #0b0b10;
  --bg-elevated: #111827;
  --bg-deep: #020205;
  --bg-sunken: #000000;
  --bg-hover: #111827;
  --border-primary: #1f2937;
  --border-secondary: #334155;
  --border-subtle: #111827;
  --text-primary: #ffffff;
  --text-secondary: #e5e7eb;
  --text-tertiary: #cbd5e1;
  --text-muted: #94a3b8;
  --scrollbar-track: #050505;
  --scrollbar-thumb: #1f2937;
  --scrollbar-thumb-hover: #334155;
  --glass-bg: rgba(0, 0, 0, 0.35);
  --glass-border: rgba(255, 255, 255, 0.06);
  --nav-active-bg: rgba(34, 211, 238, 0.16);
  --nav-hover-bg: rgba(34, 211, 238, 0.08);
  --btn-primary-bg: #f59e0b;
  --btn-primary-text: #050505;
  --btn-primary-hover: #d97706;
  --btn-primary-shadow: rgba(245, 158, 11, 0.35);
  --btn-selected-bg: #0f172a;
  --btn-selected-border: rgba(245, 158, 11, 0.55);
  --overlay-heavy: rgba(0, 0, 0, 0.82);
  --overlay-medium: rgba(0, 0, 0, 0.64);
  --overlay-light: rgba(0, 0, 0, 0.32);
  --overlay-full: rgba(0, 0, 0, 0.95);
  --overlay-border: rgba(255, 255, 255, 0.08);
  --selection-bg: rgba(34, 211, 238, 0.28);
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-muted: #fcd34d;
  --accent-bg: rgba(245, 158, 11, 0.14);
  --accent-bg-hover: rgba(245, 158, 11, 0.24);
  --accent-border: rgba(245, 158, 11, 0.32);
  --accent-text: #fcd34d;
  --accent-text-hover: #fde68a;
  --accent-on: #050505;
  --accent-shadow: rgba(245, 158, 11, 0.35);
  --toggle-active: #f59e0b;
  --toggle-inactive: var(--border-secondary);
  --toggle-knob: #ffffff;
  --success: #34d399;
  --success-text: #6ee7b7;
  --success-bg: rgba(52, 211, 153, 0.12);
  --success-border: rgba(52, 211, 153, 0.3);
  --error: #fb7185;
  --error-text: #fda4af;
  --error-bg: rgba(251, 113, 133, 0.12);
  --error-border: rgba(251, 113, 133, 0.3);
  --error-hover-bg: rgba(159, 18, 57, 0.2);
  --error-hover-bg-strong: rgba(159, 18, 57, 0.4);
  --warning: #f59e0b;
  --warning-text: #fcd34d;
  --warning-bg: rgba(245, 158, 11, 0.14);
  --warning-border: rgba(245, 158, 11, 0.32);
  --info: #22d3ee;
  --info-text: #67e8f9;
  --info-bg: rgba(34, 211, 238, 0.12);
  --info-border: rgba(34, 211, 238, 0.3);
  --tag-purple: #7c3aed;
  --tag-purple-bg: rgba(124, 58, 237, 0.12);
  --tag-purple-border: rgba(124, 58, 237, 0.3);
  --tag-purple-hover: rgba(124, 58, 237, 0.2);
}