/* =============================================================
   Alt Data Partners — Foundations (colors + type)
   Light-primary, dark optional. Orange-accent retail fintech.
   ============================================================= */

/* ------- Fonts ----------------------------------------------- */
/* Primary UI: Inter (geometric sans). Numerics use tabular figures.
   Mono: JetBrains Mono for tickers, code, deltas in tables.
   Display: Inter Display for big editorial moments.
   These are loaded via Google Fonts in HTML files; locally we ship
   the variable .woff2 in /fonts as a fallback (see fonts/README.md). */

/* Local font fallbacks removed — Inter + JetBrains Mono load via Google Fonts. */

:root {
  /* ------- Color tokens ------------------------------------ */

  /* Brand — orange primary. Warm, alert, fintech-forward without "candy". */
  --orange-50:  #FFF4EE;
  --orange-100: #FFE3D2;
  --orange-200: #FFC4A1;
  --orange-300: #FFA070;
  --orange-400: #FF7A3D;
  --orange-500: #FF5A1F;   /* primary brand */
  --orange-600: #E04510;
  --orange-700: #B8350B;
  --orange-800: #8C2808;
  --orange-900: #5A1A05;

  /* Neutrals — warm cream → near-black. NOT pure white/black. */
  --ink-0:   #FFFFFF;
  --ink-50:  #FAF8F4;      /* page background, cream */
  --ink-100: #F2EFE8;      /* surface raised */
  --ink-150: #E8E4DA;      /* divider strong */
  --ink-200: #D8D3C6;      /* divider */
  --ink-300: #B8B2A2;      /* hint */
  --ink-400: #8E8878;      /* muted text */
  --ink-500: #6B6557;      /* secondary text */
  --ink-600: #4B4639;      /* body */
  --ink-700: #2E2B22;      /* heading */
  --ink-800: #1B1913;      /* near-black */
  --ink-900: #0F0E0A;      /* canvas dark */

  /* Data semantics — bull/bear, NOT generic green/red.
     Tuned to sit on cream without vibrating. */
  --bull-50:  #E8F6EE;
  --bull-100: #C9EAD4;
  --bull-500: #1F9D55;
  --bull-600: #167A40;
  --bull-700: #0E5A2D;

  --bear-50:  #FCEAE8;
  --bear-100: #F6CFC9;
  --bear-500: #D8392B;
  --bear-600: #B22A1F;
  --bear-700: #861E15;

  /* Reserved semantic */
  --warn-500: #E0A100;
  --info-500: #2563D9;

  /* Sentiment scale (heat: bear → neutral → bull). 7 stops. */
  --heat-1: #B22A1F;       /* very bearish */
  --heat-2: #D8392B;
  --heat-3: #E89089;
  --heat-4: #B8B2A2;       /* neutral */
  --heat-5: #7CC598;
  --heat-6: #1F9D55;
  --heat-7: #0E5A2D;       /* very bullish */

  /* ------- Semantic tokens (light) ------------------------- */
  --bg:           var(--ink-50);
  --bg-raised:    var(--ink-0);
  --bg-sunken:    var(--ink-100);
  --bg-overlay:   rgba(15, 14, 10, 0.55);

  --fg:           var(--ink-800);
  --fg-strong:    var(--ink-900);
  --fg-muted:     var(--ink-500);
  --fg-subtle:    var(--ink-400);
  --fg-onbrand:   var(--ink-0);

  --border:       var(--ink-200);
  --border-strong:var(--ink-300);
  --border-soft:  var(--ink-150);

  --accent:       var(--orange-500);
  --accent-hover: var(--orange-600);
  --accent-press: var(--orange-700);
  --accent-soft:  var(--orange-50);
  --accent-fg:    var(--ink-0);

  --bull:         var(--bull-500);
  --bull-soft:    var(--bull-50);
  --bear:         var(--bear-500);
  --bear-soft:    var(--bear-50);

  /* ------- Spacing (4-pt scale) --------------------------- */
  --s-0: 0;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;
  --s-20: 80px;
  --s-24: 96px;

  /* ------- Radii ----------------------------------------- */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-2xl: 24px;
  --r-pill: 999px;

  /* ------- Shadows --------------------------------------- */
  /* Tight, low, warm. No big glassy drops. */
  --shadow-xs: 0 1px 0 rgba(15,14,10,0.04);
  --shadow-sm: 0 1px 2px rgba(15,14,10,0.06), 0 1px 0 rgba(15,14,10,0.03);
  --shadow-md: 0 4px 10px -2px rgba(15,14,10,0.08), 0 2px 4px -2px rgba(15,14,10,0.05);
  --shadow-lg: 0 12px 28px -8px rgba(15,14,10,0.16), 0 4px 8px -4px rgba(15,14,10,0.06);
  --shadow-pop: 0 24px 48px -16px rgba(15,14,10,0.20);
  --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.6), inset 0 -1px 0 rgba(15,14,10,0.04);
  --ring-focus: 0 0 0 3px rgba(255, 90, 31, 0.28);

  /* ------- Type scale ------------------------------------ */
  --font-sans: "Inter", "InterLocal", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Inter", "InterLocal", ui-sans-serif, system-ui, sans-serif; /* tighter tracking via class */
  --font-mono: "JetBrains Mono", "JetBrainsMonoLocal", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* sizes — dense pro-tool friendly; smallest UI = 12px */
  --t-12: 12px;
  --t-13: 13px;
  --t-14: 14px;
  --t-15: 15px;
  --t-16: 16px;
  --t-18: 18px;
  --t-20: 20px;
  --t-24: 24px;
  --t-28: 28px;
  --t-32: 32px;
  --t-40: 40px;
  --t-56: 56px;
  --t-72: 72px;

  --lh-tight: 1.05;
  --lh-snug:  1.2;
  --lh-base:  1.45;
  --lh-loose: 1.6;

  --tr-tight: -0.02em;   /* display */
  --tr-snug:  -0.01em;   /* h1/h2 */
  --tr-flat:  0;
  --tr-wide:  0.04em;    /* eyebrow/caps */
  --tr-mono:  -0.01em;

  /* ------- Motion ---------------------------------------- */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 120ms;
  --dur-base: 180ms;
  --dur-slow: 280ms;
}

/* ------- Dark mode ------------------------------------------ */
[data-theme="dark"] {
  --bg:           var(--ink-900);
  --bg-raised:    #16140E;
  --bg-sunken:    #0A0906;
  --bg-overlay:   rgba(0,0,0,0.7);

  --fg:           #F2EFE8;
  --fg-strong:    #FFFFFF;
  --fg-muted:     #B8B2A2;
  --fg-subtle:    #8E8878;
  --fg-onbrand:   #0F0E0A;

  --border:       #2E2B22;
  --border-strong:#4B4639;
  --border-soft:  #1B1913;

  --accent:       #FF7A3D;
  --accent-hover: #FF9866;
  --accent-press: #FFA070;
  --accent-soft:  rgba(255,122,61,0.12);

  --bull:         #3FCB72;
  --bear:         #F2625A;
  --bull-soft:    rgba(63,203,114,0.12);
  --bear-soft:    rgba(242,98,90,0.12);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 36px rgba(0,0,0,0.6);
  --ring-focus: 0 0 0 3px rgba(255, 122, 61, 0.4);
}

/* =============================================================
   Semantic typographic styles — apply via class
   ============================================================= */

.t-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  font-weight: 600;
  letter-spacing: var(--tr-wide);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.t-display {
  font-family: var(--font-display);
  font-size: var(--t-72);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-tight);
  color: var(--fg-strong);
}

.t-h1 {
  font-family: var(--font-display);
  font-size: var(--t-56);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-tight);
  color: var(--fg-strong);
}

.t-h2 {
  font-family: var(--font-sans);
  font-size: var(--t-40);
  font-weight: 700;
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-snug);
  color: var(--fg-strong);
}

.t-h3 {
  font-family: var(--font-sans);
  font-size: var(--t-28);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-snug);
  color: var(--fg-strong);
}

.t-h4 {
  font-family: var(--font-sans);
  font-size: var(--t-20);
  font-weight: 600;
  line-height: var(--lh-snug);
  color: var(--fg-strong);
}

.t-lede {
  font-family: var(--font-sans);
  font-size: var(--t-20);
  font-weight: 400;
  line-height: var(--lh-base);
  color: var(--fg-muted);
}

.t-body {
  font-family: var(--font-sans);
  font-size: var(--t-15);
  font-weight: 400;
  line-height: var(--lh-base);
  color: var(--fg);
}

.t-body-sm {
  font-family: var(--font-sans);
  font-size: var(--t-13);
  font-weight: 400;
  line-height: var(--lh-base);
  color: var(--fg);
}

.t-caption {
  font-family: var(--font-sans);
  font-size: var(--t-12);
  font-weight: 500;
  line-height: var(--lh-base);
  color: var(--fg-muted);
}

.t-num {
  font-family: var(--font-sans);
  font-feature-settings: "tnum" 1, "lnum" 1, "ss01" 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--tr-flat);
}

.t-num-display {
  font-family: var(--font-sans);
  font-size: var(--t-56);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--tr-tight);
  font-variant-numeric: tabular-nums;
}

.t-mono {
  font-family: var(--font-mono);
  font-size: var(--t-13);
  letter-spacing: var(--tr-mono);
  color: var(--fg);
}

.t-ticker {
  font-family: var(--font-mono);
  font-size: var(--t-13);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--fg-strong);
}

/* Page reset */
html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--t-15);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}