/* =========================================================
   DentSeek — Design Tokens
   ========================================================= */

:root {
  /* Brand Colors */
  --color-primary:        #00BCD4;
  --color-primary-dark:   #0097A7;
  --color-primary-light:  #4DD0E1;
  --color-primary-pale:   #E0F7FA;
  --color-accent:         #00E5D1;
  --color-accent-dark:    #00B0A0;

  /* Neutral */
  --color-bg:             #F8FAFB;
  --color-surface:        #FFFFFF;
  --color-surface-alt:    #F0F4F8;
  --color-border:         #E2E8F0;
  --color-shadow:         rgba(0, 188, 212, 0.12);

  /* Text */
  --color-text:           #1A2332;
  --color-text-secondary: #4A5568;
  --color-text-muted:     #718096;
  --color-text-inverse:   #FFFFFF;

  /* Status */
  --color-success:        #10B981;
  --color-warning:        #F59E0B;
  --color-error:          #EF4444;
  --color-info:           #3B82F6;

  /* Typography */
  --font-sans:  'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:   0 10px 40px rgba(0,0,0,.10);
  --shadow-xl:   0 20px 60px rgba(0,0,0,.12);
  --shadow-brand: 0 8px 32px rgba(0,188,212,.25);
  --shadow-brand-lg: 0 16px 48px rgba(0,188,212,.35);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(.4,0,.2,1);
  --transition-base:   250ms cubic-bezier(.4,0,.2,1);
  --transition-slow:   400ms cubic-bezier(.4,0,.2,1);

  /* Z-index */
  --z-base:    1;
  --z-dropdown: 100;
  --z-sticky:  200;
  --z-overlay: 300;
  --z-modal:   400;
  --z-toast:   500;

  /* Layout */
  --container-max: 1280px;
  --header-height: 72px;
}

/* ─── Dark Mode ──────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:             #0B1120;
  --color-surface:        #111827;
  --color-surface-alt:    #1A2332;
  --color-border:         #1E3A5F;
  --color-shadow:         rgba(0, 188, 212, 0.18);

  --color-text:           #F0F4F8;
  --color-text-secondary: #A0AEC0;
  --color-text-muted:     #718096;

  --color-primary-pale:   rgba(0, 188, 212, 0.12);

  --shadow-sm:   0 1px 3px rgba(0,0,0,.3);
  --shadow-md:   0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:   0 10px 40px rgba(0,0,0,.5);
}