/* ============================================
   DESIGN TOKENS — Solu'Néo Habitat Copilot
   Digital Business Card
   ============================================ */

:root {
  /* ── Background ── */
  --bg-primary: #0A0A0F;
  --bg-secondary: #12121A;
  --bg-card: rgba(18, 18, 26, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  /* ── Colors — Primary Blue ── */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-glow: rgba(37, 99, 235, 0.3);

  /* ── Colors — Accent Violet ── */
  --color-accent: #8B5CF6;
  --color-accent-hover: #7C3AED;
  --color-accent-glow: rgba(139, 92, 246, 0.35);

  /* ── Text ── */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-on-primary: #ffffff;

  /* ── Avatar ── */
  --avatar-size: 100px;
  --avatar-border-width: 3px;
  --avatar-border-color: var(--color-accent);
  --avatar-glow: rgba(139, 92, 246, 0.25);

  /* ── Borders ── */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-hover: rgba(255, 255, 255, 0.2);
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;

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

  /* ── Typography ── */
  --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.375rem;
  --font-size-2xl: 1.625rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow-primary: 0 0 20px var(--color-primary-glow);
  --shadow-glow-accent: 0 0 20px var(--color-accent-glow);

  /* ── Gradients ── */
  --gradient-primary: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
  --gradient-hero: linear-gradient(135deg, #0A0A0F 0%, #12121A 100%);
  --glow-primary: 0 0 20px rgba(37, 99, 235, 0.4);
  --glow-accent: 0 0 20px rgba(139, 92, 246, 0.4);

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ── Card Layout ── */
  --card-max-width: 420px;
  --card-padding-x: 24px;
}