/**
 * Everything - CSS Variables
 * Global design tokens that themes can override
 */

:root {
  /* Base Colors - Themes override these */
  --color-bg: #0a0a0a;
  --color-bg-alt: #1a1a1a;
  --color-text: #ffffff;
  --color-text-muted: #888888;
  --color-primary: #ff6b6b;
  --color-secondary: #4ecdc4;
  --color-accent: #ffe66d;
  --color-danger: #ff4444;
  --color-success: #44ff44;

  /* Typography */
  --font-base: 16px;
  --font-family-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: var(--font-family-body);
  --font-family-mono: 'Courier New', Courier, monospace;

  /* Font Sizes - Fluid scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-md: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-3xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px var(--color-primary);

  /* Transitions */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-fast: 150ms var(--ease-default);
  --transition-normal: 300ms var(--ease-default);
  --transition-slow: 500ms var(--ease-default);

  /* Z-Index Scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-overlay: 800;
  --z-max: 9999;

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;

  /* Music Player */
  --player-height: 60px;
  --player-bg: rgba(20, 20, 20, 0.95);

  /* Navigation */
  --nav-height: 60px;
}