/* ============================================================
   510k Academy — Design Tokens
   ============================================================ */

:root,
[data-theme="light"] {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* 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;
  --space-32: 8rem;

  /* Brand Colors */
  --color-primary:           #0B1F4B;
  --color-primary-hover:     #0d2660;
  --color-primary-active:    #071435;
  --color-primary-highlight: #dce4f5;
  --color-accent:            #C9A84C;
  --color-accent-hover:      #b89440;
  --color-accent-light:      #f5edd8;

  /* Surfaces */
  --color-bg:              #ffffff;
  --color-surface:         #f8f9fc;
  --color-surface-2:       #f1f4fa;
  --color-surface-offset:  #eaeff7;
  --color-divider:         #dde3ef;
  --color-border:          #c8d0e4;

  /* Text */
  --color-text:         #1a1f2e;
  --color-text-muted:   #5a6480;
  --color-text-faint:   #9aa3bd;
  --color-text-inverse: #ffffff;

  /* Semantic */
  --color-success: #2d7a3a;
  --color-warning: #b06010;
  --color-error:   #b02020;

  /* Radii */
  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(11,31,75,0.08);
  --shadow-md: 0 4px 16px rgba(11,31,75,0.10);
  --shadow-lg: 0 12px 40px rgba(11,31,75,0.14);

  /* Content widths */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;
}

[data-theme="dark"] {
  --color-bg:              #0d1220;
  --color-surface:         #131929;
  --color-surface-2:       #192030;
  --color-surface-offset:  #1e2840;
  --color-divider:         #253050;
  --color-border:          #2e3a5a;
  --color-text:            #dce3f0;
  --color-text-muted:      #8a96b4;
  --color-text-faint:      #4a5470;
  --color-text-inverse:    #0d1220;
  --color-primary:         #6b8fd4;
  --color-primary-hover:   #8aaae0;
  --color-primary-highlight: #1e2840;
  --color-accent:          #d4a84c;
  --color-accent-light:    #2a2010;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #0d1220;
    --color-surface:         #131929;
    --color-surface-2:       #192030;
    --color-surface-offset:  #1e2840;
    --color-divider:         #253050;
    --color-border:          #2e3a5a;
    --color-text:            #dce3f0;
    --color-text-muted:      #8a96b4;
    --color-text-faint:      #4a5470;
    --color-text-inverse:    #0d1220;
    --color-primary:         #6b8fd4;
    --color-primary-hover:   #8aaae0;
    --color-primary-highlight: #1e2840;
    --color-accent:          #d4a84c;
    --color-accent-light:    #2a2010;
  }
}