/* ──────────────────────────────────────────────────────
   MedMath — clinical instrument aesthetic
   IBM Plex Sans + IBM Plex Mono · oklch palette
   ────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Newsreader:ital,opsz,wght@1,6..72,400;1,6..72,500&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent-hue: 180;
  --accent-chroma: 0.11;

  /* Light theme — warm clinical */
  --bg:           oklch(98.5% 0.005 80);
  --bg-alt:       oklch(96.5% 0.006 80);
  --surface:      #ffffff;
  --surface-alt:  oklch(98% 0.005 80);
  --ink:          oklch(20% 0.012 250);
  --ink-soft:     oklch(38% 0.01 250);
  --ink-muted:    oklch(55% 0.008 250);
  --ink-faint:    oklch(72% 0.005 250);
  --line:         oklch(91% 0.006 80);
  --line-strong:  oklch(83% 0.008 80);
  --accent:       oklch(50% var(--accent-chroma) var(--accent-hue));
  --accent-hi:    oklch(42% var(--accent-chroma) var(--accent-hue));
  --accent-soft:  oklch(95% 0.04 var(--accent-hue));
  --accent-on:    #ffffff;
  --grid-color:   oklch(91% 0.006 80);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 0 oklch(0% 0 0 / 0.03), 0 1px 2px oklch(0% 0 0 / 0.04);
  --shadow:    0 1px 0 oklch(0% 0 0 / 0.04), 0 8px 24px -12px oklch(0% 0 0 / 0.10);
  --shadow-hi: 0 1px 0 oklch(0% 0 0 / 0.04), 0 22px 50px -22px oklch(20% 0.05 var(--accent-hue) / 0.25);

  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --font-serif: 'Newsreader', Georgia, serif;
}

[data-theme="dark"] {
  --bg:           oklch(15% 0.012 250);
  --bg-alt:       oklch(18% 0.012 250);
  --surface:      oklch(20% 0.012 250);
  --surface-alt:  oklch(23% 0.012 250);
  --ink:          oklch(96% 0.005 80);
  --ink-soft:     oklch(82% 0.008 250);
  --ink-muted:    oklch(65% 0.008 250);
  --ink-faint:    oklch(45% 0.008 250);
  --line:         oklch(28% 0.012 250);
  --line-strong:  oklch(36% 0.012 250);
  --accent:       oklch(72% var(--accent-chroma) var(--accent-hue));
  --accent-hi:    oklch(80% var(--accent-chroma) var(--accent-hue));
  --accent-soft:  oklch(28% 0.05 var(--accent-hue));
  --grid-color:   oklch(22% 0.012 250);
}

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--accent-on); }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; cursor: pointer; }

input { font: inherit; }

/* Background grid (toggleable) */
.page { position: relative; min-height: 100vh; display: flex; flex-direction: column; }
.page__grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: 0 0;
  mask-image: radial-gradient(ellipse at top, black 30%, transparent 80%);
  opacity: 0.55;
}
[data-grid="off"] .page__grid { display: none; }

.main, .site-header, .site-footer { position: relative; z-index: 1; }

/* ──────────────────────────────────────────────────────
   Header
   ────────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
}
.brand__name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.brand__sep { color: var(--ink-faint); }
.brand__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav__link {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.15s, color 0.15s;
}
.site-nav__link:hover { background: var(--surface-alt); color: var(--ink); }

.kbar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-muted);
  font-size: 13px;
  transition: border-color 0.15s, color 0.15s;
}
.kbar:hover { border-color: var(--line-strong); color: var(--ink); }
.kbar kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink-muted);
}

/* Theme toggle — minimal pill switch */
.theme-toggle {
  margin-left: 4px;
  padding: 0;
  background: transparent;
  border: 0;
  display: inline-flex;
  align-items: center;
}
.theme-toggle__track {
  position: relative;
  width: 52px;
  height: 28px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  transition: background 0.2s, border-color 0.2s;
  display: inline-flex;
  align-items: center;
}
.theme-toggle:hover .theme-toggle__track { border-color: var(--ink-faint); }
.theme-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  display: grid;
  place-items: center;
  transition: transform 0.25s cubic-bezier(.4,1.4,.5,1), background 0.2s;
}
[data-theme="dark"] .theme-toggle__thumb {
  transform: translateX(24px);
}

/* ──────────────────────────────────────────────────────
   Main layout
   ────────────────────────────────────────────────────── */
.main {
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
  padding: 56px 32px 80px;
  flex: 1;
}

/* ──────────────────────────────────────────────────────
   Hero
   ────────────────────────────────────────────────────── */
.hero {
  display: grid;
  gap: 24px;
  padding: 24px 0 48px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}
.hero__eyebrow {
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.hero__stat b {
  color: var(--ink);
  font-weight: 600;
}

.hero__title {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 18ch;
}
.hero__title-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent-hi);
  letter-spacing: -0.015em;
}

.hero__lede {
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.55;
}

.hero__search {
  position: relative;
  max-width: 720px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1.5px solid var(--line-strong);
  border-radius: 14px;
  padding: 6px 6px 6px 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, box-shadow 0.2s;
}
.hero__search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.hero__search-icon { color: var(--ink-muted); flex-shrink: 0; }
.hero__search-input {
  flex: 1;
  padding: 14px 14px;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 16px;
  color: var(--ink);
}
.hero__search-input::placeholder { color: var(--ink-faint); }
.hero__search-clear {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--ink-muted);
}
.hero__search-clear:hover { color: var(--ink); }

/* ──────────────────────────────────────────────────────
   Filters
   ────────────────────────────────────────────────────── */
.filters {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.filters__label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.filters__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.chip:hover { color: var(--ink); border-color: var(--ink-faint); }
.chip--active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.chip--active .chip__count { color: oklch(80% 0 0); }
.chip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: oklch(55% 0.13 var(--cat-hue));
}
.chip__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

/* ──────────────────────────────────────────────────────
   Results group header
   ────────────────────────────────────────────────────── */
.results__group { margin-bottom: 56px; }
.results__group:last-child { margin-bottom: 0; }

.results__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.results__title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
  font-weight: 600;
}
.results__dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: oklch(55% 0.14 var(--cat-hue));
}
.results__rule { flex: 1; height: 1px; background: var(--line); }
.results__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

/* ──────────────────────────────────────────────────────
   Grid + Card (formula variant)
   ────────────────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
[data-density="compact"] .grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  min-height: 240px;
  overflow: hidden;
  transition: border-color 0.15s, transform 0.2s, box-shadow 0.25s;
  color: var(--ink);
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at 100% 0%, var(--accent-soft) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.25s;
}
.card:hover {
  border-color: var(--ink-faint);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hi);
}
.card:hover::before { opacity: 0.55; }
.card:hover .card__arrow { transform: translateX(2px); color: var(--accent-hi); }

.card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}
.card__num {
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.card__cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 10px;
}
.card__cat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: oklch(55% 0.14 var(--cat-hue));
}

.card__glyph {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 80px;
  padding: 22px 0 18px;
}

.card__body { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.card__abbr {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-hi);
  letter-spacing: 0.08em;
  font-weight: 600;
}
.card__name {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.card__desc {
  font-size: 13.5px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-top: 4px;
}

.card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.card__inputs {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}
.card__inputs-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 10px;
}
.card__inputs-val { color: var(--ink); font-weight: 600; font-size: 13px; }

.card__arrow {
  color: var(--ink-muted);
  transition: transform 0.2s, color 0.2s;
  display: grid;
  place-items: center;
}

/* Card style variants */
.card--minimal { min-height: auto; padding: 20px; }
.card--minimal .card__glyph { min-height: 56px; padding: 14px 0; }
.card--minimal .card__foot { display: none; }

.card--index { padding: 24px 24px 22px; }
.card--index .card__glyph {
  position: absolute;
  right: 22px;
  bottom: 22px;
  min-height: 0;
  padding: 0;
  opacity: 0.65;
  transform-origin: bottom right;
  transform: scale(0.85);
}
.card--index .card__body { margin-top: 8px; }
.card--index .card__name { font-size: 22px; max-width: 14ch; }
.card--index .card__foot { border-top: none; padding-top: 8px; margin-top: auto; }

/* ──────────────────────────────────────────────────────
   FormulaGlyph — the typographic mark
   ────────────────────────────────────────────────────── */
.fglyph {
  font-family: var(--font-mono);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.fglyph-md { font-size: 28px; }
.fglyph-sm { font-size: 18px; }

.fglyph-fraction {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.fglyph-num, .fglyph-den {
  padding: 4px 10px;
  font-size: 0.9em;
}
.fglyph-bar {
  width: 100%;
  height: 1.5px;
  background: var(--ink);
}
.fglyph-factor {
  color: var(--ink-muted);
  font-size: 0.65em;
  font-weight: 400;
}

.fglyph-params {
  flex-wrap: wrap;
  font-size: 16px;
  gap: 2px;
}
.fglyph-params .fglyph-param {
  color: var(--ink);
  padding: 4px 0;
}
.fglyph-sep {
  color: var(--ink-faint);
  margin: 0 8px;
}

.fglyph-custom {
  font-size: 15px;
  letter-spacing: -0.005em;
  color: var(--ink);
}

/* ──────────────────────────────────────────────────────
   Empty state
   ────────────────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 80px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.empty__glyph {
  font-family: var(--font-mono);
  font-size: 48px;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.empty h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}
.empty p { color: var(--ink-muted); font-size: 14px; }

/* ──────────────────────────────────────────────────────
   Banner + disclaimer
   ────────────────────────────────────────────────────── */
.banner {
  margin-top: 64px;
  display: grid;
  gap: 18px;
}

.banner__card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  position: relative;
  overflow: hidden;
}
.banner__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 100% 50%, var(--accent) 0%, transparent 60%);
  opacity: 0.15;
}
.banner__col { position: relative; z-index: 1; max-width: 56ch; }
.banner__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-hi);
}
.banner__col h3 {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-top: 10px;
  line-height: 1.2;
}
.banner__col p {
  margin-top: 10px;
  color: oklch(80% 0.005 250);
  font-size: 15px;
  line-height: 1.55;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  background: var(--bg);
  color: var(--ink);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  z-index: 1;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

.disclaimer {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.55;
}
.disclaimer__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 4px 8px;
  height: fit-content;
  background: var(--bg-alt);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--ink);
  font-weight: 600;
  flex-shrink: 0;
}

/* ──────────────────────────────────────────────────────
   Footer
   ────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 80px;
  background: var(--surface-alt);
}
.site-footer__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px 32px 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.brand--footer .brand__name { font-size: 18px; }
.site-footer__tagline {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-muted);
  max-width: 30ch;
}
.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.site-footer__heading {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 12px;
  font-weight: 600;
}
.site-footer__cols a {
  display: block;
  padding: 4px 0;
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 0.15s;
}
.site-footer__cols a:hover { color: var(--accent-hi); }
.site-footer__muted { font-size: 13px; color: var(--ink-muted); }

.site-footer__legal {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 32px 36px;
  display: flex;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-faint);
  flex-wrap: wrap;
}

/* ──────────────────────────────────────────────────────
   Density tweaks
   ────────────────────────────────────────────────────── */
/* ──────────────────────────────────────────────────────
   Responsive
   ────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .site-footer__cols { grid-template-columns: repeat(2, 1fr); }
  .banner__card { grid-template-columns: 1fr; padding: 28px 24px; }
  .site-nav__link, .kbar span { display: none; }
  .kbar kbd { display: none; }
  .kbar { padding: 8px; }
  .main { padding: 32px 20px 60px; }
  .site-header__inner { padding: 12px 20px; }
}
@media (max-width: 540px) {
  .hero__meta { flex-wrap: wrap; gap: 8px; }
  .hero__title { font-size: 36px; }
  .brand__tag, .brand__sep { display: none; }
  .grid { grid-template-columns: 1fr; }
}

/* ──────────────────────────────────────────────────────
   Tool pages — layout, form, result
   ────────────────────────────────────────────────────── */

.tool-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 32px;
}
.tool-breadcrumb a { color: var(--ink-muted); transition: color 0.15s; }
.tool-breadcrumb a:hover { color: var(--ink); }

.tool-hero {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.tool-hero__cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.tool-hero__cat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: oklch(55% 0.13 var(--cat-hue));
}
.tool-hero__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 14px;
  max-width: 26ch;
}
.tool-hero__desc {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.6;
  max-width: 62ch;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
}
@media (max-width: 860px) {
  .tool-layout { grid-template-columns: 1fr; }
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 20px;
}

.section-divider {
  height: 1px;
  background: var(--line);
  margin: 22px 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 500; color: var(--ink-soft); }
.field input {
  height: 44px;
  padding: 0 14px;
  background: var(--bg-alt);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 15px;
  font-family: var(--font-mono);
  transition: border-color 0.15s, box-shadow 0.15s;
  -moz-appearance: textfield;
}
.field input::-webkit-inner-spin-button,
.field input::-webkit-outer-spin-button { -webkit-appearance: none; }
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field small { font-size: 12px; color: var(--ink-muted); line-height: 1.4; }

.tag-input-wrapper {
  min-height: 46px;
  padding: 6px 10px;
  background: var(--bg-alt);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  cursor: text;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.tag-input-wrapper:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tag-input-wrapper input {
  flex: 1; min-width: 80px; border: 0; background: transparent; outline: none;
  font-size: 14px; font-family: var(--font-mono); color: var(--ink); height: 28px; padding: 0 4px;
  -moz-appearance: textfield;
}
.tag-input-wrapper input::-webkit-inner-spin-button,
.tag-input-wrapper input::-webkit-outer-spin-button { -webkit-appearance: none; }
.value-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 8px 3px 10px; background: var(--accent-soft);
  border: 1px solid oklch(88% 0.05 var(--accent-hue));
  border-radius: 999px; font-family: var(--font-mono); font-size: 13px; color: var(--ink);
}
.value-tag button {
  background: none; border: none; padding: 0; color: var(--ink-muted);
  font-size: 15px; line-height: 1; width: 18px; height: 18px;
  display: grid; place-items: center; border-radius: 50%;
  transition: background 0.1s, color 0.1s;
}
.value-tag button:hover { background: var(--line); color: var(--ink); }

.btn-group { display: flex; gap: 10px; margin-bottom: 24px; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px;
  background: var(--ink); color: var(--bg); border: 0; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; letter-spacing: -0.005em;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.86; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex; align-items: center; padding: 11px 18px;
  background: transparent; color: var(--ink-soft); border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: var(--ink-faint); color: var(--ink); }

.result-box { display: none; padding-top: 22px; border-top: 1px dashed var(--line-strong); }
.result-box.visible { display: block; }
.result-title {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--ink-muted); font-weight: 600; margin-bottom: 12px;
}

.result-badge {
  display: inline-flex; align-items: center; padding: 6px 14px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; margin-bottom: 16px; letter-spacing: -0.005em;
}
.badge-normal  { background: oklch(92% 0.06 145); color: oklch(27% 0.10 145); }
.badge-info    { background: oklch(92% 0.06 200); color: oklch(27% 0.10 200); }
.badge-warning { background: oklch(92% 0.08 65);  color: oklch(27% 0.12 60);  }
.badge-danger  { background: oklch(92% 0.07 20);  color: oklch(27% 0.12 20);  }
[data-theme="dark"] .badge-normal  { background: oklch(26% 0.08 145); color: oklch(80% 0.10 145); }
[data-theme="dark"] .badge-info    { background: oklch(26% 0.08 200); color: oklch(80% 0.10 200); }
[data-theme="dark"] .badge-warning { background: oklch(26% 0.09 65);  color: oklch(80% 0.12 65);  }
[data-theme="dark"] .badge-danger  { background: oklch(26% 0.09 20);  color: oklch(80% 0.12 20);  }

.result-details {
  list-style: none; border: 1px solid var(--line);
  border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 16px;
}
.result-details li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; font-size: 13.5px; border-bottom: 1px solid var(--line); gap: 16px;
}
.result-details li:last-child { border-bottom: 0; }
.result-details li:nth-child(even) { background: var(--surface-alt); }
.result-details li > span:first-child { color: var(--ink-soft); flex: 1; }
.result-details li > span:last-child {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  color: var(--ink); text-align: right;
}

.result-findings { display: flex; flex-direction: column; gap: 8px; }
.finding-item {
  display: flex; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm);
  font-size: 13.5px; line-height: 1.55; border: 1px solid transparent;
}
.finding-item.ok      { background: oklch(95% 0.04 145); border-color: oklch(87% 0.07 145); color: oklch(26% 0.09 145); }
.finding-item.caution { background: oklch(95% 0.06 65);  border-color: oklch(87% 0.08 65);  color: oklch(26% 0.10 60);  }
.finding-item.alert   { background: oklch(95% 0.05 20);  border-color: oklch(87% 0.07 20);  color: oklch(26% 0.10 20);  }
[data-theme="dark"] .finding-item.ok      { background: oklch(22% 0.05 145); border-color: oklch(30% 0.07 145); color: oklch(78% 0.10 145); }
[data-theme="dark"] .finding-item.caution { background: oklch(22% 0.05 65);  border-color: oklch(30% 0.08 65);  color: oklch(78% 0.10 60);  }
[data-theme="dark"] .finding-item.alert   { background: oklch(22% 0.05 20);  border-color: oklch(30% 0.08 20);  color: oklch(78% 0.10 20);  }