/* ─────────────────────────────────────────────
   Kili Design System — Design Tokens
   Source: 02-color.md, 04-spacing-and-layout.md, 05-design-tokens.md
   ───────────────────────────────────────────── */

/* Brand primitives — identical in both themes */
:root {
  --amber:        #C8782A;
  --amber-muted:  #E0A96A;
  --amber-light:  #F5E6D3;
  --amber-pale:   #FDF7F0;
  --amber-dark:   #8A4D10;

  --teal:         #2E9E7A;
  --teal-muted:   #7ECDB8;
  --teal-light:   #D4F0E8;
  --teal-pale:    #F0FAF7;
  --teal-dark:    #1A6650;

  --violet:       #7B4FC9;
  --violet-muted: #B49AE4;
  --violet-light: #EAE0F8;
  --violet-pale:  #F6F2FC;
  --violet-dark:  #4E2A8A;

  --coral:        #D95F3B;
  --coral-muted:  #F0A088;
  --coral-light:  #FAE3DC;
  --coral-pale:   #FDF3F0;
  --coral-dark:   #8F3018;

  /* Spacing scale */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-8:  48px;
  --space-10: 64px;
  --space-12: 80px;

  /* Border radius */
  --radius-none: 0px;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-pill: 9999px;

  /* Border width */
  --border-width-default: 1px;
  --border-width-thick:   2px;

  /* Shadow */
  --shadow-none:  none;
  --shadow-sm:    0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:    0 4px 8px rgba(0,0,0,0.08);
  --shadow-lg:    0 8px 24px rgba(0,0,0,0.12);
  --shadow-focus: 0 0 0 3px rgba(200,120,42,0.30);

  /* Motion */
  --duration-instant: 0ms;
  --duration-fast:    100ms;
  --duration-base:    200ms;
  --duration-slow:    400ms;
  --easing-default:   ease;
  --easing-enter:     ease-out;
  --easing-exit:      ease-in;
  --easing-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shell dimensions */
  --sidebar-width-open:      240px;
  --sidebar-width-collapsed: 56px;
  --topbar-height:           56px;
  --secondary-nav-height:    44px;

  /* Layout breakpoints (min-width thresholds; see design-spec/04 §4.3) */
  --breakpoint-sm-min: 480px;
  --breakpoint-md-min: 768px;
  --breakpoint-lg-min: 1024px;
}

/* ── Light theme ── */
[data-theme="light"], :root {
  --bg-page:        #FAFAF8;
  --bg-surface:     #FFFFFF;
  --bg-surface-2:   #F5F2ED;
  --bg-surface-3:   #EDE9E3;
  --bg-sidebar:     #2C2C2A;
  --bg-topbar:      #FFFFFF;

  --text-primary:   #2C2C2A;
  --text-secondary: #4A4845;
  --text-muted:     #888780;
  --text-subtle:    #B4B0A8;

  --border:         rgba(44,44,42,0.10);
  --border-soft:    rgba(44,44,42,0.06);
  --border-medium:  rgba(44,44,42,0.16);

  --row-hover:      #FDF7F0;
  --input-bg:       #FFFFFF;
  --progress-bg:    #EDE9E3;

  /* Drawer overlay scrim (semi-transparent; design-spec/10 §10.5) */
  --overlay-scrim:  rgba(44, 44, 42, 0.45);
}

/* ── Dark theme ── */
[data-theme="dark"] {
  --bg-page:        #1A1917;
  --bg-surface:     #242320;
  --bg-surface-2:   #2E2C29;
  --bg-surface-3:   #383530;
  --bg-sidebar:     #111110;
  --bg-topbar:      #242320;

  --text-primary:   #F0EDE8;
  --text-secondary: #C8C4BC;
  --text-muted:     #888780;
  --text-subtle:    #5A5854;

  --border:         rgba(240,237,232,0.10);
  --border-soft:    rgba(240,237,232,0.06);
  --border-medium:  rgba(240,237,232,0.16);

  --row-hover:      rgba(200,120,42,0.08);
  --input-bg:       #2E2C29;
  --progress-bg:    #383530;

  --overlay-scrim:  rgba(0, 0, 0, 0.55);

  --amber-pale:     rgba(200,120,42,0.12);
  --amber-light:    rgba(200,120,42,0.22);
  --teal-pale:      rgba(46,158,122,0.10);
  --teal-light:     rgba(46,158,122,0.20);
  --violet-pale:    rgba(123,79,201,0.12);
  --violet-light:   rgba(123,79,201,0.22);
  --coral-pale:     rgba(217,95,59,0.10);
  --coral-light:    rgba(217,95,59,0.20);
}

/* ── Base reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-page);
}

/* Utility: visually hidden (for sr-only text) */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}