/* ============================================================
   QATALYST DESIGN TOKENS
   Primitive → Semantic, themed via [data-theme]
   ============================================================ */

:root {
  /* ---------- PRIMITIVES: Emerald scale ---------- */
  --emerald-0:  #0A1610;  /* obsidian */
  --emerald-1:  #0D1F1A;  /* void */
  --emerald-2:  #132B22;  /* forest night */
  --emerald-3:  #1A3D2E;  /* deep forest */
  --emerald-4:  #214C3A;  /* jade shadow */
  --emerald-5:  #2D6B52;  /* jade */
  --emerald-6:  #3E8E6E;  /* jade light */
  --emerald-7:  #5BB591;  /* celadon */
  --emerald-8:  #7DCFB0;  /* seafoam */
  --emerald-9:  #A8E4CC;  /* mist */
  --emerald-10: #D6F2E4;  /* vapor */

  /* ---------- PRIMITIVES: Warm neutrals ---------- */
  --stone-0:  #F7F6F2;  /* parchment */
  --stone-1:  #F0EFEA;  /* bone */
  --stone-2:  #E6E4DD;  /* sand */
  --stone-3:  #D4D1C8;  /* mist stone */
  --stone-4:  #B8B5AC;  /* pebble */
  --stone-5:  #8F8D85;  /* ash */
  --stone-6:  #5E5D57;  /* slate */
  --stone-7:  #3A3934;  /* graphite */
  --stone-8:  #24231F;  /* ink */
  --stone-9:  #12110F;  /* pitch */
  --warm-white: #F0F0ED;
  --stone-secondary: #C8C8C4;

  /* ---------- PRIMITIVES: Status ---------- */
  --red-6:   #C4443A;
  --red-5:   #D85949;
  --red-4:   #E87867;
  --red-tint-d: #3A1E1A;
  --red-tint-l: #FBE8E4;

  --amber-6: #B8791F;
  --amber-5: #D49435;
  --amber-4: #E5A957;
  --amber-tint-d: #3A2A14;
  --amber-tint-l: #FBF0DD;

  --blue-6:  #2F6BB8;
  --blue-5:  #4583CC;
  --blue-4:  #6FA2DA;
  --blue-tint-d: #162A3A;
  --blue-tint-l: #E1ECF8;

  --violet-6: #6B4FB8;
  --violet-5: #8468CC;
  --violet-4: #A08ADC;
  --violet-tint-d: #221A3A;
  --violet-tint-l: #EAE4F8;

  /* ---------- TYPOGRAPHY ---------- */
  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-display: "Geist", ui-sans-serif, system-ui, sans-serif;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Fluid type scale */
  --fs-10:  clamp(10px, 0.625rem, 11px);
  --fs-11:  clamp(11px, 0.6875rem, 12px);
  --fs-12:  clamp(12px, 0.75rem, 13px);
  --fs-13:  clamp(13px, 0.8125rem, 14px);
  --fs-14:  clamp(14px, 0.875rem, 15px);
  --fs-16:  clamp(15px, 0.95rem, 16px);
  --fs-18:  clamp(16px, 1.05rem, 18px);
  --fs-20:  clamp(18px, 1.2rem, 20px);
  --fs-24:  clamp(20px, 1.4rem, 24px);
  --fs-32:  clamp(26px, 1.9rem, 32px);
  --fs-48:  clamp(36px, 2.8rem, 48px);

  --lh-tight: 1.15;
  --lh-snug: 1.3;
  --lh-normal: 1.5;
  --lh-loose: 1.65;

  --tracking-tight: -0.02em;
  --tracking-snug:  -0.01em;
  --tracking-normal: 0;
  --tracking-wide:  0.04em;
  --tracking-extra: 0.12em;

  /* ---------- SPACING ---------- */
  --sp-0: 0;
  --sp-1: 2px;
  --sp-2: 4px;
  --sp-3: 6px;
  --sp-4: 8px;
  --sp-5: 10px;
  --sp-6: 12px;
  --sp-7: 14px;
  --sp-8: 16px;
  --sp-9: 20px;
  --sp-10: 24px;
  --sp-11: 32px;
  --sp-12: 40px;
  --sp-13: 48px;
  --sp-14: 64px;

  /* ---------- RADIUS ---------- */
  --r-1: 2px;
  --r-2: 4px;
  --r-3: 6px;
  --r-4: 8px;
  --r-5: 10px;
  --r-6: 14px;
  --r-7: 20px;
  --r-full: 999px;

  /* ---------- MOTION ---------- */
  --dur-instant: 80ms;
  --dur-fast: 140ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;
  --dur-slower: 500ms;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in-out: cubic-bezier(0.6, 0, 0.4, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);

  /* ---------- SIZES ---------- */
  --nav-w: 252px;
  --nav-w-collapsed: 64px;
  --topbar-h: 56px;
}

/* ============================================================
   DARK THEME  (default — the emerald void)
   ============================================================ */
[data-theme="dark"] {
  color-scheme: dark;

  /* Surfaces — deepest to highest */
  --surface-abyss:   var(--emerald-0);       /* page outside everything */
  --surface-base:    var(--emerald-1);       /* app bg */
  --surface-sunken:  #091814;                 /* inputs, wells */
  --surface-raised:  var(--emerald-2);       /* cards */
  --surface-overlay: #1A3528;                /* popovers, tooltips */
  --surface-nav:     #091814;                /* side nav */
  --surface-brand-fill: var(--emerald-3);    /* primary button bg */

  /* Text */
  --text-primary:    var(--warm-white);
  --text-secondary:  var(--stone-secondary);
  --text-muted:      #8FA99A;
  --text-faint:      #627168;
  --text-inverse:    var(--emerald-0);
  --text-on-accent:  var(--emerald-0);

  /* Borders */
  --border-subtle:   rgba(125, 207, 176, 0.10);
  --border-default:  rgba(125, 207, 176, 0.16);
  --border-strong:   rgba(125, 207, 176, 0.28);
  --border-focus:    var(--emerald-7);

  /* Accent */
  --accent-primary:        var(--emerald-7);   /* celadon */
  --accent-primary-hover:  var(--emerald-8);
  --accent-primary-active: var(--emerald-6);
  --accent-quiet:          rgba(91, 181, 145, 0.12);
  --accent-rail:           var(--emerald-7);
  --accent-glow:           rgba(91, 181, 145, 0.18);

  /* Status */
  --status-critical:       #E87867;
  --status-critical-fill:  rgba(232, 120, 103, 0.14);
  --status-critical-rail:  #D85949;
  --status-warning:        #E5A957;
  --status-warning-fill:   rgba(229, 169, 87, 0.14);
  --status-warning-rail:   #D49435;
  --status-success:        var(--emerald-8);
  --status-success-fill:   rgba(125, 207, 176, 0.12);
  --status-success-rail:   var(--emerald-7);
  --status-info:           #6FA2DA;
  --status-info-fill:      rgba(111, 162, 218, 0.14);
  --status-info-rail:      #4583CC;
  --status-neutral-fill:   rgba(200, 200, 196, 0.08);

  /* Scrim / elevation */
  --scrim: rgba(10, 22, 16, 0.72);
  --shadow-xs: 0 1px 0 rgba(0,0,0,0.3), 0 0 0 0.5px rgba(125,207,176,0.08) inset;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.45), 0 0 0 0.5px rgba(125,207,176,0.06) inset;
  --shadow-md: 0 8px 24px -8px rgba(0,0,0,0.6), 0 1px 0 rgba(125,207,176,0.05) inset;
  --shadow-lg: 0 20px 48px -12px rgba(0,0,0,0.7), 0 1px 0 rgba(125,207,176,0.06) inset;
  --shadow-nav-active: 0 0 0 0.5px rgba(125,207,176,0.22) inset, 0 8px 20px -10px rgba(91,181,145,0.35);
  --shadow-focus: 0 0 0 2px var(--surface-base), 0 0 0 4px var(--emerald-7);

  /* Chart/data sequential */
  --data-1: #7DCFB0;
  --data-2: #6FA2DA;
  --data-3: #E5A957;
  --data-4: #E87867;
  --data-5: #A08ADC;
  --data-6: #A8E4CC;
}

/* ============================================================
   LIGHT THEME  (paper & stone)
   ============================================================ */
[data-theme="light"] {
  color-scheme: light;

  /* Surfaces */
  --surface-abyss:   #E9E7DF;
  --surface-base:    #F4F2EC;                 /* warm paper */
  --surface-sunken:  #EBE9E1;
  --surface-raised:  #FCFBF7;                 /* raised card (warm white) */
  --surface-overlay: #FFFFFF;
  --surface-nav:     #FCFBF7;
  --surface-brand-fill: var(--emerald-3);

  /* Text */
  --text-primary:    #1A2821;                /* deep forest ink */
  --text-secondary:  #3A4A41;
  --text-muted:      #6B7A72;
  --text-faint:      #9AA59F;
  --text-inverse:    var(--warm-white);
  --text-on-accent:  var(--warm-white);

  /* Borders */
  --border-subtle:   rgba(26, 61, 46, 0.07);
  --border-default:  rgba(26, 61, 46, 0.12);
  --border-strong:   rgba(26, 61, 46, 0.22);
  --border-focus:    var(--emerald-5);

  /* Accent — jade */
  --accent-primary:        var(--emerald-5);
  --accent-primary-hover:  var(--emerald-4);
  --accent-primary-active: var(--emerald-3);
  --accent-quiet:          rgba(45, 107, 82, 0.10);
  --accent-rail:           var(--emerald-5);
  --accent-glow:           rgba(45, 107, 82, 0.14);

  /* Status */
  --status-critical:       #B8342A;
  --status-critical-fill:  #F9E2DE;
  --status-critical-rail:  #C4443A;
  --status-warning:        #9C6416;
  --status-warning-fill:   #F8EBD4;
  --status-warning-rail:   #B8791F;
  --status-success:        var(--emerald-5);
  --status-success-fill:   #D9EDE3;
  --status-success-rail:   var(--emerald-5);
  --status-info:           #2F6BB8;
  --status-info-fill:      #DDE8F7;
  --status-info-rail:      #2F6BB8;
  --status-neutral-fill:   rgba(26, 61, 46, 0.06);

  /* Scrim */
  --scrim: rgba(26, 40, 33, 0.32);
  --shadow-xs: 0 1px 0 rgba(26,40,33,0.04);
  --shadow-sm: 0 1px 2px rgba(26,40,33,0.05), 0 0 0 0.5px rgba(26,40,33,0.04);
  --shadow-md: 0 6px 16px -6px rgba(26,40,33,0.12), 0 1px 0 rgba(255,255,255,0.6) inset;
  --shadow-lg: 0 18px 40px -12px rgba(26,40,33,0.18), 0 1px 0 rgba(255,255,255,0.6) inset;
  --shadow-nav-active: 0 0 0 0.5px rgba(45,107,82,0.22) inset, 0 6px 14px -8px rgba(45,107,82,0.28);
  --shadow-focus: 0 0 0 2px var(--surface-base), 0 0 0 4px var(--emerald-5);

  /* Chart */
  --data-1: #2D6B52;
  --data-2: #2F6BB8;
  --data-3: #B8791F;
  --data-4: #B8342A;
  --data-5: #6B4FB8;
  --data-6: #5BB591;
}