/* ============================================================
   HydroPD design system: instrument, product discipline.
   Hanken Grotesk (display + UI/body) · Spline Sans Mono (data/codes/numerals).
   Self-hosted WOFF2, Latin subset, light theme only. See DESIGN.md.
   ============================================================ */

/* ---------- fonts (self-hosted, offline-safe) ---------- */
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('./assets/fonts/hanken-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('./assets/fonts/hanken-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal; font-weight: 800; font-display: swap;
  src: url('./assets/fonts/hanken-800.woff2') format('woff2');
}
@font-face {
  font-family: 'Spline Sans Mono';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('./assets/fonts/spline-mono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Spline Sans Mono';
  font-style: normal; font-weight: 600; font-display: swap;
  src: url('./assets/fonts/spline-mono-600.woff2') format('woff2');
}

:root {
  /* ---- brand: deepened teal (committed identity, preserved) ---- */
  --accent: oklch(0.55 0.09 182);        /* borders, focus ring, selection, non-text accent */
  --accent-strong: oklch(0.47 0.088 185); /* accent TEXT (links) + primary button bg (white passes AA) */
  --accent-hover: oklch(0.40 0.08 186);   /* primary button hover/active */
  --accent-soft: oklch(0.95 0.03 185);    /* selected rows, accent badges */
  --accent-tint: oklch(0.975 0.016 185);  /* 4-8% surface wash */

  /* ---- secondary / info (data-viz + info states only, never decoration) ---- */
  --blue: oklch(0.52 0.12 245);
  --blue-soft: oklch(0.94 0.035 245);

  /* ---- neutrals, tinted toward the brand hue (~205) ---- */
  --bg: oklch(0.984 0.004 205);          /* canvas */
  --surface: oklch(0.997 0.0015 205);    /* cards (lighter than canvas) */
  --surface-2: oklch(0.963 0.005 205);   /* nav, toolbars, table heads, insets */
  --border: oklch(0.905 0.006 210);
  --border-strong: oklch(0.85 0.009 210);

  /* ---- ink ---- */
  --text: oklch(0.28 0.02 225);
  --text-muted: oklch(0.49 0.018 225);   /* AA body (>=4.5:1 on surface) */
  --text-faint: oklch(0.60 0.014 225);   /* captions / large only (>=3:1) */

  /* ---- semantic (consistent meaning; AA on their -soft fills) ---- */
  --good: oklch(0.50 0.11 155);
  --good-soft: oklch(0.94 0.04 158);
  --warn: oklch(0.50 0.10 60);
  --warn-soft: oklch(0.93 0.055 72);
  --bad: oklch(0.52 0.17 25);
  --bad-soft: oklch(0.93 0.05 25);

  /* ---- radii (over-rounding is a tell) ---- */
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;

  /* ---- shadow (used sparingly: navbar + floating elements) ---- */
  --shadow: 0 1px 2px oklch(0.28 0.02 225 / 0.05), 0 6px 16px oklch(0.28 0.02 225 / 0.06);
  --shadow-sm: 0 1px 2px oklch(0.28 0.02 225 / 0.06);

  /* ---- spacing scale ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* ---- type scale (fixed rem, ratio ~1.2) ---- */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: 1.75rem;
  --text-2xl: 2.25rem;
  --text-display: clamp(2.1rem, 1.55rem + 2.2vw, 2.75rem); /* single hero display only */

  /* ---- families (grotesque display + UI, distinctive mono for data) ---- */
  --font-display: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono: 'Spline Sans Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  font-size: var(--text-base);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Grotesque display carries page and section headings; mono is reserved for data. */
h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--text);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.022em;
  text-wrap: balance;
  margin: 0 0 0.4em;
}
h4 {
  font-family: var(--font);
  color: var(--text);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.4em;
}
h1 {
  font-size: var(--text-2xl);
}
h2 {
  font-size: var(--text-xl);
}
h3 {
  font-size: var(--text-lg);
}
h4 {
  font-size: var(--text-base);
}
p {
  margin: 0 0 1rem;
  text-wrap: pretty;
}

code,
.mono {
  font-family: var(--mono);
  font-size: 0.85em;
  font-variant-numeric: tabular-nums;
}

/* Reduced-motion: honor globally; individual components add crossfade fallbacks. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- layout ---------- */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.navbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.brand:hover {
  text-decoration: none;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--accent-strong);
  display: grid;
  place-items: center;
  color: var(--surface);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.brand-tag {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-link {
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-link:hover {
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
}
.nav-link.active {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.page {
  flex: 1;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-7) var(--space-6) var(--space-8);
}
.page-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}
.page-header p.lead {
  color: var(--text-muted);
  font-size: var(--text-md);
  max-width: 68ch;
  margin: 0;
}

/* The in-card labeled hairline-rule section device lives in `.type-detail-head`. */
.rule {
  height: 1px;
  background: var(--border);
  border: 0;
  margin: var(--space-5) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 860px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .nav-links {
    gap: 0;
  }
}

.footer {
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: var(--text-sm);
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-6);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ---------- card ---------- */
/* Editorial flat: hairline border carries the surface, no drop shadow
   (the hairline-border-plus-diffuse-shadow combo is an AI signature). */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
}
.card + .card {
  margin-top: var(--space-5);
}
.card-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}
.card-title h3 {
  margin: 0;
}
.card-subtitle {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin: 0 0 var(--space-4);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--accent-strong);
  color: var(--surface);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--text-faint);
}
.btn-ghost {
  background: transparent;
  color: var(--accent-strong);
  padding: 6px 10px;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--accent-soft);
}
.btn-sm {
  padding: 6px 11px;
  font-size: var(--text-xs);
}

/* ---------- forms ---------- */
.field {
  margin-bottom: 16px;
}
.field:last-child {
  margin-bottom: 0;
}
.field-label {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: 6px;
}
.field-hint {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 400;
  margin-left: 6px;
}
input[type='text'],
input[type='number'],
select,
textarea {
  width: 100%;
  font-family: var(--font);
  font-size: var(--text-sm);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--mono);
  font-size: var(--text-sm);
  line-height: 1.5;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ---------- badges → squared editorial tags ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.badge-accent {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: transparent;
}
.badge-blue {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: transparent;
}
.badge-good {
  background: var(--good-soft);
  color: var(--good);
  border-color: transparent;
}
.badge-muted {
  background: var(--bg);
  color: var(--text-faint);
}
.badge-warn {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: transparent;
}

/* ---------- condition matcher (detectability ranking) ---------- */
.cond-selects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.cond-select {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
}
.cond-select select {
  font: inherit;
  font-weight: 500;
  padding: 7px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.cond-ranked {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.cond-rank-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}
.cond-rank-row:hover {
  border-color: var(--border-strong);
}
.cond-rank-row.selected {
  border-color: var(--accent-strong);
  box-shadow: inset 0 0 0 1px var(--accent-strong);
}
.cond-rank-pos {
  font-weight: 700;
  color: var(--accent-strong);
  min-width: 1.6em;
  text-align: center;
}
.cond-rank-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}
.cond-rank-title {
  font-size: 0.86rem;
}
.cond-rank-tags {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}
.cond-rank-tags .tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text-faint);
  border: 1px solid var(--border);
}
.cond-rank-tags .tag.tag-on {
  background: var(--good-soft);
  color: var(--good);
  border-color: transparent;
}

/* ---------- bioactivity screening: activity filter + DB links ---------- */
.filter-block {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.filter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.filter-actions {
  display: flex;
  gap: 4px;
}
.filter-axis {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-axis-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  min-width: 84px;
}
.filter-chip {
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 4px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.filter-chip:hover {
  border-color: var(--accent-strong);
}
.filter-chip.on {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: transparent;
  font-weight: 600;
}
.db-links a {
  color: var(--accent-strong);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
  white-space: nowrap;
}
.db-links a:hover {
  border-bottom-color: var(--accent-strong);
}

.selected-model {
  margin-top: 14px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 500;
}

/* ---------- species accordion (model picker) ---------- */
.species-accordion {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.species-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.species-group.open {
  border-color: var(--border-strong);
}
.species-head {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  background: var(--bg);
  border: 0;
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.species-head:hover {
  background: var(--surface-2, var(--bg));
}
.species-caret {
  color: var(--text-faint);
  font-size: 0.8rem;
  flex: none;
}
.species-name {
  font-weight: 600;
  text-transform: capitalize;
}
.species-count {
  color: var(--text-faint);
  font-size: 0.78rem;
}
.species-sel {
  margin-left: auto;
}
.species-body {
  padding: 8px;
}

/* In-card sub-section header: the labeled hairline-rule signature device. */
.type-detail-head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: var(--space-4) 0 var(--space-3);
}
.type-detail-head::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- legend ---------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  display: inline-block;
}

/* ---------- inline bar charts ---------- */
.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 0;
  font-size: 0.82rem;
}
.bar-label {
  flex: none;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bar-track {
  position: relative;
  flex: 1;
  height: 15px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  min-width: 60px;
}
.bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 4px 0 0 4px;
}
/* range whisker: vertical caps via inset shadow (not side borders). */
.bar-whisker {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 9px;
  box-shadow: inset 2px 0 0 var(--text), inset -2px 0 0 var(--text);
  opacity: 0.45;
}
.bar-value {
  flex: none;
  width: auto;
  min-width: 48px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--text);
}
.bar-note {
  color: var(--text-faint);
  font-weight: 400;
  font-size: 0.74rem;
}

/* ---------- tables ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table thead th {
  background: var(--surface-2);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
.table thead th.sortable {
  cursor: pointer;
  user-select: none;
}
.table thead th.sortable:hover {
  color: var(--text);
}
.table tbody td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:last-child td {
  border-bottom: none;
}
.table tbody tr:hover {
  background: var(--surface-2);
}
.table td.mono,
.table td .mono {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}
.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.row-clickable {
  cursor: pointer;
}
.row-clickable:hover {
  background: var(--accent-soft) !important;
}

/* ---------- misc ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.stat-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
/* Figure-style stat block: a mono tabular number over a rule and a caption. */
.stat {
  flex: 1;
  min-width: 130px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}
.stat-value {
  font-family: var(--mono);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}
.muted {
  color: var(--text-muted);
}
.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg);
}

/* checkbox / radio lists */
.option-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
.option {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.option:hover {
  border-color: var(--accent);
}
.option.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.option input {
  width: auto;
  margin-top: 3px;
}
.option-body {
  flex: 1;
}
.option-title {
  font-weight: 600;
  font-size: 0.88rem;
}
.option-desc {
  font-size: 0.76rem;
  color: var(--text-muted);
}
/* Compact single-line option (enzyme multi-select): center the checkbox with the label. */
.option-compact {
  align-items: center;
  padding: 8px 10px;
}
.option-compact input {
  margin-top: 0;
}

/* tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-muted);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover {
  color: var(--text);
}
.tab.active {
  color: var(--accent-strong);
  border-bottom-color: var(--accent);
}

/* dropzone */
.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 22px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
.dropzone:hover {
  border-color: var(--accent);
}
.dropzone.dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone-icon {
  font-size: 1.5rem;
}
.dropzone-main {
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 4px;
}
.dropzone-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* detail panel */
.detail-panel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-top: -1px;
}
.detail-grid {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 8px 16px;
  font-size: 0.85rem;
}
.detail-grid dt {
  color: var(--text-muted);
  font-weight: 600;
}
.detail-grid dd {
  margin: 0;
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

/* home hero (instrument) + tool index */
.hero {
  padding: var(--space-7) 0 var(--space-7);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin-bottom: var(--space-3);
}
.hero h1 {
  font-size: var(--text-display);
  line-height: 1.04;
  margin-bottom: var(--space-4);
}
.hero h1 .nowrap {
  white-space: nowrap;
}
/* On very narrow screens let the long first line wrap instead of overflowing. */
@media (max-width: 520px) {
  .hero h1 .nowrap {
    white-space: normal;
  }
}
.hero p.lead {
  color: var(--text-muted);
  max-width: 62ch;
  font-size: var(--text-md);
  margin: 0;
}
/* mass-spectrum hero visual */
.spectrum {
  width: 100%;
  height: 128px;
  margin: var(--space-6) 0 var(--space-5);
  display: block;
}
/* instrument metric readout */
.readout {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.readout-cell {
  flex: 1;
  min-width: 130px;
  padding: var(--space-4) var(--space-4);
  border-right: 1px solid var(--border);
}
.readout-cell:last-child { border-right: 0; }
.readout-k {
  font-family: var(--mono);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}
.readout-v {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--text);
  margin-top: var(--space-1);
  font-variant-numeric: tabular-nums;
}
.hero-btns {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}
.hero-btns .btn { font-size: var(--text-base); padding: 11px 20px; }
@media (max-width: 640px) {
  .readout-cell { border-right: 0; border-bottom: 1px solid var(--border); }
  .hero h1 { max-width: none; }
}
/* Editorial index, not an identical icon-card grid. */
.tool-grid {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.tool-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  column-gap: var(--space-5);
  row-gap: var(--space-2);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  transition: background 0.15s ease;
}
.tool-card:hover {
  background: var(--surface-2);
  text-decoration: none;
}
.tool-card .tool-go {
  transition: transform 0.15s ease;
}
.tool-card:hover .tool-go {
  transform: translateX(3px);
}
.tool-card p {
  grid-column: 1 / -1;
}
.tool-card h3 {
  margin: 0;
  font-size: var(--text-lg);
}
.tool-card p {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin: 0;
  max-width: 56ch;
}
.tool-card .tool-go {
  color: var(--accent-strong);
  font-weight: 600;
  font-size: var(--text-sm);
}

/* preview / info banners */
.preview-banner {
  background: var(--warn-soft);
  border: 1px solid var(--warn);
  color: var(--warn);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: var(--text-sm);
  margin-bottom: 20px;
}
.info-banner {
  background: var(--blue-soft);
  border: 1px solid var(--blue);
  color: var(--blue);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: var(--text-sm);
}

/* segmented toggle (Data tab audience) */
.segmented {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 3px;
  gap: 3px;
}
.segmented button {
  border: none;
  background: none;
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.segmented button.active {
  background: var(--accent-strong);
  color: var(--surface);
}

/* priority tags for data gaps */
.prio-high {
  background: var(--bad-soft);
  color: var(--bad);
  border-color: transparent;
}
.prio-medium {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: transparent;
}
.prio-low {
  background: var(--surface-2);
  color: var(--text-muted);
}
tr.zero-used td {
  background: var(--warn-soft);
}

/* download card */
.dl-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  margin-bottom: var(--space-3);
}
.dl-card .dl-meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* schema tier grid */
.tier-badge-min {
  background: var(--good-soft);
  color: var(--good);
  border-color: transparent;
}
.tier-badge-ideal {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: transparent;
}

/* ============================================================
   Consistency utilities (Impeccable deep pass)
   ============================================================ */

/* One shared disclosure caret (single glyph, rotates on open). */
.caret {
  display: inline-block;
  color: var(--text-faint);
  font-size: 0.7em;
  line-height: 1;
  transition: transform 0.15s ease;
}
.caret.open {
  transform: rotate(90deg);
}

/* Data numerals in tables use the mono family (matches the stat tiles). */
.table tbody td.num {
  font-family: var(--mono);
}

/* Keyboard focus is non-optional on every custom control. */
.tab:focus-visible,
.segmented button:focus-visible,
.filter-chip:focus-visible,
.species-head:focus-visible,
.cond-rank-row:focus-visible,
.tool-card:focus-visible,
.dropzone:focus-visible,
tr.row-clickable:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--accent);
}
.option:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Captions / footnotes / page notes. */
.footnote,
.caption {
  font-size: var(--text-xs);
  color: var(--text-faint);
}
.page-note {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-6);
}

/* Error affordance (parallels .info-banner / .preview-banner). */
.error-banner {
  background: var(--bad-soft);
  border: 1px solid var(--bad);
  color: var(--bad);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: var(--text-sm);
}

/* Small segmented variant (in-card sort toggles). */
.segmented-sm {
  padding: 2px;
}
.segmented-sm button {
  padding: 5px 12px;
  font-size: var(--text-xs);
}

/* Disabled form controls (e.g. locked feature set for Pfly). */
input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--surface-2);
}

/* ---------- code block (API docs) ---------- */
/* Monospace snippet on the second neutral surface; a labeled bar carries a copy button.
   Wide lines scroll inside the block so the page body never scrolls horizontally. */
.codeblock {
  margin: 0 0 var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  overflow: hidden;
}
.codeblock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 6px 10px 6px 12px;
  border-bottom: 1px solid var(--border);
}
.codeblock-label {
  font-family: var(--font);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}
.codeblock-copy {
  font-family: var(--font);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent-strong);
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  cursor: pointer;
  transition: background 160ms ease-out, border-color 160ms ease-out;
}
.codeblock-copy:hover {
  background: var(--accent-tint);
  border-color: var(--border-strong);
}
.codeblock-copy:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 1px;
}
.codeblock-pre {
  margin: 0;
  padding: var(--space-4);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text);
  tab-size: 2;
  white-space: pre;
}

/* ---------- API endpoint blocks ---------- */
.api-endpoint-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.api-method {
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.api-method-get {
  color: var(--blue);
  background: var(--blue-soft);
}
.api-method-post {
  color: var(--accent-strong);
  background: var(--accent-soft);
}
.api-path {
  font-family: var(--mono);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--text);
}
.api-endpoint-summary {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
  max-width: 72ch;
  margin: 0 0 var(--space-3);
}
.api-endpoint-note {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
  max-width: 72ch;
  margin: 0 0 var(--space-3);
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.api-inline,
.api-endpoint-summary code,
.api-table code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--text);
}

/* ---------- API rate-limit table ---------- */
.api-table-wrap {
  overflow-x: auto;
}
.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.api-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-2);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.api-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.api-table tr:last-child td {
  border-bottom: 0;
}
.api-num {
  font-family: var(--mono);
  color: var(--text-muted);
  white-space: nowrap;
}