:root {
  --color-primary: #e91e63;
  --color-secondary: #0b0f19;
  --color-accent: #ff80ab;
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;
  --color-surface: #0b0f19;
  --color-surface-muted: #151b2d;
  --color-text: #f8f9fa;
  --color-text-muted: #b0b6c3;
  --font-family-base: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-heading: 'Inter', system-ui, sans-serif;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --transition-base: 0.3s ease;
}

html[data-theme='dark'] {
  --color-primary: #e91e63;
  --color-secondary: #0b0f19;
  --color-accent: #ff80ab;
  --color-surface: #0b0f19;
  --color-surface-muted: #151b2d;
  --color-text: #f8f9fa;
  --color-text-muted: #b0b6c3;
}

html[data-theme='light'] {
  --color-primary: #0052ff;
  --color-secondary: #0f172a;
  --color-accent: #f97316;
  --color-surface: #ffffff;
  --color-surface-muted: #f3f4f6;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
}

html[data-theme='brand-ocean'] {
  --color-primary: #0284c7;
  --color-secondary: #0f172a;
  --color-accent: #14b8a6;
  --color-surface: #ffffff;
  --color-surface-muted: #e0f2fe;
  --color-text: #0f172a;
  --color-text-muted: #1e3a8a;
}

html[data-theme='brand-violet'] {
  --color-primary: #7c3aed;
  --color-secondary: #1f2937;
  --color-accent: #10b981;
  --color-surface: #f5f3ff;
  --color-surface-muted: #ede9fe;
  --color-text: #1f2937;
  --color-text-muted: #4c1d95;
}

[data-theme] body {
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-family-base);
}