:root {
  /* 全屏布局专用颜色 */
  --fullscreen-bg: #0a0a0a;
  --fullscreen-text: #ffffff;
  --fullscreen-text-muted: #a1a1aa;
  --fullscreen-accent: #8b5cf6;
  --fullscreen-secondary: #06b6d4;
  --fullscreen-nav: rgba(0, 0, 0, 0.7);
  --fullscreen-border: rgba(255, 255, 255, 0.1);

  /* 继承现有的颜色变量 */
  --color-primary: var(--fullscreen-accent);
  --color-secondary: var(--fullscreen-secondary);
  --color-background: var(--fullscreen-bg);
  --color-foreground: var(--fullscreen-text);
  --color-muted: #18181b;
  --color-muted-foreground: var(--fullscreen-text-muted);
  --color-border: var(--fullscreen-border);
  --color-input: #27272a;
  --color-ring: var(--fullscreen-accent);
  --color-accent: var(--fullscreen-accent);
  --color-accent-foreground: #ffffff;
  --color-destructive: #ef4444;
  --color-destructive-foreground: #ffffff;
}