/* Brand Design System */

:root {
  /* Brand Colors */
  --color-primary: #2a2521;
  --color-primary-light: #3d3530;
  --color-primary-dark: #1a1815;

  --color-accent: #c9a227;
  --color-accent-light: #d4b54a;
  --color-accent-dark: #a8861f;

  /* Neutrals */
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #888888;

  --color-bg: #ffffff;
  --color-bg-secondary: #f2f2f2;
  --color-bg-tertiary: #e8e8e8;

  --color-border: rgba(42, 37, 33, 0.1);
  --color-border-strong: rgba(42, 37, 33, 0.2);

  /* Header/Footer */
  --color-header-bg: #52cce2b5;
  --color-footer-bg: #d2925bb3;

  /* Panel backgrounds */
  --color-panel-bg: rgba(255, 255, 255, 0.95);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Font weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Letter spacing */
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-primary: #f5f5f5;
  --color-primary-light: #ffffff;
  --color-primary-dark: #e0e0e0;

  --color-accent: #d4b54a;
  --color-accent-light: #e0c76a;
  --color-accent-dark: #c9a227;

  --color-text: #e5e5e5;
  --color-text-light: #b0b0b0;
  --color-text-muted: #888888;

  --color-bg: #1a1a1a;
  --color-bg-secondary: #2a2a2a;
  --color-bg-tertiary: #353535;

  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.2);

  --color-header-bg: #1e3a40;
  --color-footer-bg: #3d2a1a;

  --color-panel-bg: rgba(30, 30, 30, 0.95);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* Smooth theme transition */
html {
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* System preference detection */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-primary: #f5f5f5;
    --color-primary-light: #ffffff;
    --color-primary-dark: #e0e0e0;

    --color-accent: #d4b54a;
    --color-accent-light: #e0c76a;
    --color-accent-dark: #c9a227;

    --color-text: #e5e5e5;
    --color-text-light: #b0b0b0;
    --color-text-muted: #888888;

    --color-bg: #1a1a1a;
    --color-bg-secondary: #2a2a2a;
    --color-bg-tertiary: #353535;

    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-strong: rgba(255, 255, 255, 0.2);

    --color-header-bg: #1e3a40;
    --color-footer-bg: #3d2a1a;

    --color-panel-bg: rgba(30, 30, 30, 0.95);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  }
}