/* Industry — design-system tokens and component classes. This file is the source of truth for the system's look; retune it here and see readme.md. */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;700&family=Barlow+Condensed:wght@400;600&display=swap');

/* FORMÉ brand font (Inter) — self-hosted so it works offline (no INTERNET on Android). */
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("fonts/inter-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 600 700; font-display: swap;
  src: url("fonts/inter-bold.woff2") format("woff2");
}

/* ── FORMÉ theme (DEFAULT): the dark brand identity from the branding deck.
   Near-black canvas, white text, teal/cyan accents + the yellow→green→cyan
   signature gradient. The original light look lives in [data-theme="classic"]
   below — a one-tap escape hatch (Settings › display) for any visibility issue. */
:root {
  --color-bg: #0b0b0d;
  --color-surface: #17171b;
  --color-text: #f4f5f7;
  --color-accent: #0cc0df;
  --color-accent-2: #57d08a;
  --color-divider: color-mix(in srgb, #ffffff 14%, transparent);

  /* Neutral ramp INVERTED for dark: 100 = darkest surface … 900 = lightest text,
     so muted-text tokens (600/700) read light-grey on dark and surface tokens
     (100–300) read dark — the standard light→dark token flip. */
  --color-neutral-100: #131317;
  --color-neutral-200: #1c1c21;
  --color-neutral-300: #26262c;
  --color-neutral-400: #34343b;
  --color-neutral-500: #55555d;
  --color-neutral-600: #8a8a92;
  --color-neutral-700: #a9a9b0;
  --color-neutral-800: #cfcfd4;
  --color-neutral-900: #f2f2f5;

  /* Accent ramp (teal/cyan), dark→light: low steps = tinted backgrounds,
     mid/high = bright foreground strokes + fills. */
  --color-accent-100: #06272d;
  --color-accent-200: #0a3a43;
  --color-accent-300: #0f5462;
  --color-accent-400: #157284;
  --color-accent-500: #1f97ae;
  --color-accent-600: #0cc0df;
  --color-accent-700: #3fd4ec;
  --color-accent-800: #85e6f5;
  --color-accent-900: #c6f4fb;

  /* Secondary accent ramp (green). */
  --color-accent-2-100: #0a2a1a;
  --color-accent-2-200: #0f3f28;
  --color-accent-2-300: #165a39;
  --color-accent-2-400: #1f7c4f;
  --color-accent-2-500: #2ea06a;
  --color-accent-2-600: #45c489;
  --color-accent-2-700: #6fdca5;
  --color-accent-2-800: #a6ecc7;
  --color-accent-2-900: #d6f7e6;

  /* Categorical chart series (Analytics) — brightened for legibility on dark. */
  --chart-1: #4a9fd8; --chart-2: #ff6b6b; --chart-3: #43c98a;
  --chart-4: #b98ce0; --chart-5: #f0b429; --chart-6: #38bdf0;

  /* Brand gradients (deck) — reserved for headings + key accents; constant across themes. */
  --brand-gradient: linear-gradient(315deg, #faee21 0%, #6fe600 50%, #00ffff 100%);
  --brand-gradient-2: linear-gradient(90deg, #0cc0df, #ffde59);

  /* Semantic renderer tokens (per-theme, so the canvas renderers follow the theme). */
  --color-marker: #ff5d5d;
  --color-trace: #2bb6cf;
  --color-trace-head: #9be9f5;
  --color-grid-minor: rgba(44, 182, 207, 0.10);
  --color-grid-major: rgba(44, 182, 207, 0.20);
  --color-grid-dim: rgba(44, 182, 207, 0.26);
  --color-scope-label: rgba(155, 233, 245, 0.72);

  --font-heading: "Inter", "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 700;
  --font-body: "Inter", "Barlow", system-ui, sans-serif;

  /* User-adjustable global text scale (Setup › display). Every font-size is
     multiplied by this; 1 = default. Overridden at runtime on documentElement. */
  --font-scale: 1;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  /* Elevation on dark: a hairline edge + ambient darkness. */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 3px 12px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 12px 34px rgba(0, 0, 0, 0.6);
}

/* ── Classic theme: the ORIGINAL light palette, verbatim. Selected via
   document.documentElement[data-theme="classic"] (Settings › display). Only the
   tokens that differ from FORMÉ are overridden; spacing/radius/scale inherit. */
:root[data-theme="classic"] {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --color-accent-2-100: #eef6ff;
  --color-accent-2-200: #d6ebff;
  --color-accent-2-300: #bdd8f2;
  --color-accent-2-400: #9ebbd8;
  --color-accent-2-500: #7e9cb8;
  --color-accent-2-600: #627d98;
  --color-accent-2-700: #486077;
  --color-accent-2-800: #314457;
  --color-accent-2-900: #1f2d3a;

  --chart-1: #416180; --chart-2: #c0392b; --chart-3: #2e8b57;
  --chart-4: #8e44ad; --chart-5: #d68910; --chart-6: #2980b9;

  --color-marker: #c0392b;
  --color-trace: #94bce3;
  --color-trace-head: #d6ebff;
  --color-grid-minor: rgba(148, 188, 227, 0.10);
  --color-grid-major: rgba(148, 188, 227, 0.22);
  --color-grid-dim: rgba(148, 188, 227, 0.28);
  --color-scope-label: rgba(214, 235, 255, 0.72);

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2b2b2d 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2b2b2d 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2b2b2d 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.blueprint {
  position: relative;
  border: 1px solid var(--color-divider);
  border-radius: 0;
}
/* The overlay image treatments (halftone, duotone) clip their overlay
   (overflow:hidden); a blueprint wrapper draws its registration marks
   outside the box, so when both classes share a wrapper the frame must
   win. */
.blueprint.halftone, .blueprint.plate, .blueprint.duotone { overflow: visible; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after {
  content: ""; position: absolute; background: currentColor;
}
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

.duotone{position:relative;overflow:hidden}
.duotone::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:var(--color-accent);mix-blend-mode:color}

/* ══════════════════════════════════════════════════════════════════════════
   Components — built with the tokens above. Plain CSS
   on plain HTML: no JavaScript, no build step. Each class is documented in
   readme.md and demonstrated in foundations/ and components/.
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: calc(15px * var(--font-scale)); line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: calc(42px * var(--font-scale)); }
h2 { font-size: calc(32px * var(--font-scale)); }
h3 { font-size: calc(25px * var(--font-scale)); }
h4 { font-size: calc(20px * var(--font-scale)); }
h5 { font-size: calc(16px * var(--font-scale)); }
h6 { font-size: calc(13px * var(--font-scale)); }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: calc(11px * var(--font-scale)); margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: calc(14px * var(--font-scale)); line-height: 1.2; color: var(--color-text); /* matches the .input's 14px —
     the pair sits side by side in sign-up rows */
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label {
  display: block; font-size: calc(12px * var(--font-scale)); margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: calc(14px * var(--font-scale)); color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: calc(14px * var(--font-scale)); }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: calc(13px * var(--font-scale)); cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: calc(10px * var(--font-scale)); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: calc(17px * var(--font-scale)); line-height: 1.2;
}
.card-body { margin: 0; font-size: calc(13px * var(--font-scale)); opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: calc(11px * var(--font-scale));
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: calc(11px * var(--font-scale));
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }
.tag-danger { background: color-mix(in srgb, #c0392b 15%, transparent); color: #c0392b; } /* excluded filter chip */

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: none;
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: calc(18px * var(--font-scale)); margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: calc(14px * var(--font-scale)); }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: calc(14px * var(--font-scale)); }
.table th {
  text-align: left; font-size: calc(11px * var(--font-scale)); letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: calc(20px * var(--font-scale));
}
.dialog-body { font-size: calc(14px * var(--font-scale)); opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — blueprint frame: components are wireframe objects (see .blueprint
     and .corner above) — square, transparent, hairline-bordered — */
.card, .btn, .input, .tag, .seg, .dialog { border-radius: 0; }
.card { background: transparent; border: 1px solid var(--color-divider); }
/* Dialogs sit over a dimmed page, so they stay opaque (not the wireframe transparent). */
.dialog { background: var(--color-surface); border: 1px solid var(--color-divider); }
.btn { border: 1px solid var(--color-divider); }
.btn-primary { border-color: var(--color-accent); }
.btn-ghost { border-color: transparent; }