/* ============================================================
   Model Observatory — Datalab design system
   Tokens from docs/design-system/colors_and_type.css
   + tech_tokens.css (dark mode extension)
   Fonts: self-hosted PT Serif (display) / PT Sans (UI) /
   JetBrains Mono (numbers). No CDN.
   ============================================================ */

@font-face {
  font-family: 'PT Sans';
  src: url('fonts/PTSans-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'PT Sans';
  src: url('fonts/PTSans-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'PT Serif';
  src: url('fonts/PTSerif-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'PT Serif';
  src: url('fonts/PTSerif-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  /* ---------- BRAND PALETTE (raw) ---------- */
  --navy: #002c47;
  --white: #ffffff;
  --mint: #52e9c0;
  --purple: #b399ff;
  --sky: #dae7fe;
  --mist: #f0f4f8;
  --slate: #5c7185;

  /* ---------- TEXT INK ---------- */
  --ink-heading: #002c47;
  --ink-body: #002c47;
  --ink-secondary: #4a5068;
  --ink-heading-dark: #ffffff;
  --ink-secondary-dark: #a0abc6;

  /* ---------- DERIVED TINTS/SHADES ---------- */
  --mint-600: #2fcba1;
  --mint-100: #d7f9ef;
  --purple-600: #8e6ff0;
  --navy-700: #013a5e;
  --navy-900: #001e32;
  --hairline: #e2e8f0;

  /* ---------- TYPE FAMILIES ---------- */
  --font-display: 'PT Serif', Georgia, 'Times New Roman', serif;
  --font-sans: 'PT Sans', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono:
    'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;

  /* ---------- TYPE SCALE ---------- */
  --fs-display: 44px;
  --fs-h2: 36px;
  --fs-h3: 28px;
  --fs-h4: 22px;
  --fs-body-lg: 18px;
  --fs-body: 16px;
  --fs-body-sm: 14px;
  --fs-caption: 12px;
  --fs-button: 15px;
  --lh-heading: 1.2;
  --lh-body: 1.7;
  --lh-body-tight: 1.6;
  --lh-caption: 1.5;
  --lh-tight: 1.1;
  --tracking-tight: -0.5px;
  --tracking-button: 0.5px;

  /* ---------- RADII ---------- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-badge: 6px;
  --radius-code: 12px;

  /* ---------- SHADOW / ELEVATION ---------- */
  --shadow-card: 0 2px 8px rgba(0, 44, 71, 0.08);
  --shadow-raised: 0 8px 24px rgba(0, 44, 71, 0.12);

  /* ---------- SPACING (8pt) ---------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* ---------- SEMANTIC STATE (tech_tokens.css) ---------- */
  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-fg: #047857;
  --success-bg-dark: rgba(52, 211, 153, 0.12);
  --success-fg-dark: #34d399;
  --success-border-dark: rgba(52, 211, 153, 0.3);
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --warning-fg: #b45309;
  --warning-bg-dark: rgba(251, 191, 36, 0.12);
  --warning-fg-dark: #fbbf24;
  --warning-border-dark: rgba(251, 191, 36, 0.3);
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --danger-fg: #b91c1c;
  --danger-bg-dark: rgba(248, 113, 113, 0.12);
  --danger-fg-dark: #f87171;
  --danger-border-dark: rgba(248, 113, 113, 0.3);
  --info: #3b82f6;
  --info-bg: #eff6ff;
  --info-fg: #1d4ed8;
  --info-bg-dark: rgba(96, 165, 250, 0.12);
  --info-fg-dark: #60a5fa;
  --info-border-dark: rgba(96, 165, 250, 0.3);

  /* ---------- DARK SURFACES (tech_tokens.css) ---------- */
  --bg-page-dark: #001827;
  --surface-1-dark: #002c47;
  --surface-2-dark: #0a4063;
  --surface-3-dark: #0e4a6e;
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-dark-strong: rgba(255, 255, 255, 0.18);

  /* ---------- FORM CONTROL TOKENS ---------- */
  --input-bg: #ffffff;
  --input-fg: var(--ink-heading);
  --input-border: var(--hairline);
  --input-border-hover: #cbd5e1;
  --input-border-focus: var(--mint);
  --input-placeholder: #94a3b8;

  /* ---------- SEMANTIC ROLES (LIGHT DEFAULT) ----------
     Components reference these; dark mode remaps them below. */
  --bg-page: #ffffff;
  --bg-subtle: var(--mist);
  --surface-1: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #f1f5f9;
  --border: var(--hairline);
  --border-strong: #cbd5e1;
  --fg-strong: var(--ink-heading);
  --fg-default: var(--ink-body);
  --fg-muted: var(--ink-secondary);
  --fg-faint: #94a3b8;
  --focus-ring: var(--mint);
  --fg-on-accent: var(--navy);
  --award-best-bg: var(--warning-bg);
  --award-best-fg: var(--warning-fg);
  --award-cheapest-bg: var(--info-bg);
  --award-cheapest-fg: var(--info-fg);
  --award-value-bg: var(--success-bg);
  --award-value-fg: var(--success-fg);
}

/* ============================================================
   DARK MODE — [data-theme="dark"] remaps the semantic roles.
   Navy becomes a surface, page goes deeper (#001827).
   ============================================================ */
[data-theme='dark'] {
  color-scheme: dark;

  --bg-page: var(--bg-page-dark);
  --bg-subtle: #001e32;
  --surface-1: var(--surface-1-dark);
  --surface-2: var(--surface-2-dark);
  --surface-3: var(--surface-3-dark);
  --border: var(--border-dark);
  --border-strong: var(--border-dark-strong);
  --fg-strong: #ffffff;
  --fg-default: #e2e8f0;
  --fg-muted: var(--ink-secondary-dark);
  --fg-faint: #7d89a3;

  --code-bg: var(--bg-page-dark);
  --code-fg: #e2e8f0;
  --code-header-bg: var(--surface-2-dark);

  --input-bg: var(--surface-2-dark);
  --input-fg: #ffffff;
  --input-border: var(--border-dark);
  --input-border-hover: var(--border-dark-strong);
  --input-placeholder: #5c7185;

  --success-bg: var(--success-bg-dark);
  --success-fg: var(--success-fg-dark);
  --warning-bg: var(--warning-bg-dark);
  --warning-fg: var(--warning-fg-dark);
  --danger-bg: var(--danger-bg-dark);
  --danger-fg: var(--danger-fg-dark);
  --info-bg: var(--info-bg-dark);
  --info-fg: var(--info-fg-dark);

  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-raised: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 8px 24px rgba(0, 0, 0, 0.5);

  /* Brand remaps for dark surfaces */
  --mint: #52e9c0;
  --navy: #002c47;
  --navy-700: #013a5e;
  --navy-900: #001e32;
  --mint-600: #2fcba1;
  --mint-100: rgba(82, 233, 192, 0.12);
  --sky: rgba(218, 231, 254, 0.08);
  --hairline: rgba(255, 255, 255, 0.1);
  --ink-heading: #ffffff;
  --ink-body: #e2e8f0;
  --ink-secondary: #a0abc6;
  --slate: #a0abc6;
  --mist: #001e32;

  /* Award ramps remap to dark-tuned semantic fills */
  --award-best-bg: var(--warning-bg-dark);
  --award-best-fg: var(--warning-fg-dark);
  --award-cheapest-bg: var(--info-bg-dark);
  --award-cheapest-fg: var(--info-fg-dark);
  --award-value-bg: var(--success-bg-dark);
  --award-value-fg: var(--success-fg-dark);
}

/* ============================================================
   BASE + ELEMENTS
   ============================================================ */
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--fg-default);
  background: var(--bg-page);
  transition:
    background 150ms ease-out,
    color 150ms ease-out;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select,
summary {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
a {
  color: var(--navy-700);
  text-underline-offset: 3px;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* ============================================================
   HEADER
   ============================================================ */
header {
  height: 78px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3.3vw;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-decoration: none;
  color: var(--fg-strong);
  font-size: 18px;
}
.brand-logo {
  height: 22px;
  width: auto;
  display: block;
}
/* Dark: white knock-out of the navy wordmark (brand rule from README) */
html[data-theme='dark'] .brand-logo {
  filter: brightness(0) invert(1);
}
.context {
  color: var(--fg-muted);
  font-size: 14px;
  font-weight: 400;
}
.method-link {
  font-size: 14px;
  text-decoration: none;
  color: var(--fg-strong);
  font-weight: 700;
}
.method-link:hover {
  text-decoration: underline;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.theme-toggle {
  background: transparent;
  border: 2px solid var(--navy);
  color: var(--navy);
  border-radius: var(--radius-lg);
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: var(--tracking-button);
  transition:
    background 150ms ease-out,
    color 150ms ease-out;
}
.theme-toggle:hover {
  background: var(--navy);
  color: #ffffff;
}
html[data-theme='dark'] .theme-toggle {
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}
html[data-theme='dark'] .theme-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ============================================================
   HEADING + PAGE
   ============================================================ */
main {
  max-width: 1800px;
  margin: auto;
  padding: 38px 3.3vw 0;
}
.heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  gap: 24px;
}
.eyebrow {
  font-size: var(--fs-caption);
  letter-spacing: 0.15em;
  font-weight: 700;
  color: var(--slate);
  text-transform: uppercase;
}
h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: var(--lh-heading);
  color: var(--fg-strong);
}
h1 {
  font-size: clamp(28px, 3vw, 44px);
  letter-spacing: var(--tracking-tight);
  margin: 9px 0;
}
p {
  line-height: 1.55;
}
.heading p {
  color: var(--fg-muted);
  margin: 8px 0 0;
}
.snapshot {
  text-align: right;
  display: grid;
  gap: 6px;
}
.snapshot span {
  font-size: var(--fs-caption);
  letter-spacing: 0.1em;
  color: var(--slate);
}
.snapshot strong {
  font-family: var(--font-display);
  font-size: 18px;
}
.snapshot small {
  font-size: 12px;
  color: var(--fg-faint);
}

/* ============================================================
   WORKSPACE
   ============================================================ */
.workspace {
  display: grid;
  grid-template-columns: 265px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.preferences {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  color: var(--fg-default);
  padding: 24px 21px;
  position: sticky;
  top: 20px;
  align-self: start;
}
.panel-title h2 {
  font-size: 20px;
  margin: 0 0 15px;
}
.switch {
  display: flex;
  gap: 9px;
  align-items: center;
  font-size: 14px;
  cursor: pointer;
}
.switch input {
  width: 18px;
  height: 18px;
  accent-color: var(--mint);
}
.muted {
  font-size: 14px;
  color: var(--fg-muted);
}
.weight {
  margin: 21px 0;
}
.weight label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: 9px;
}
.weight output {
  font-variant-numeric: tabular-nums;
  color: var(--navy-700);
  font-family: var(--font-mono);
  font-size: 13px;
}
input[type='range'] {
  width: 100%;
  accent-color: var(--mint);
  cursor: pointer;
}
.formula {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--fg-muted);
}
.formula strong {
  color: var(--fg-strong);
  font-weight: 700;
}
.formula p {
  margin: 8px 0;
}
.secondary {
  background: transparent;
  border: 2px solid var(--navy);
  color: var(--navy);
  border-radius: var(--radius-lg);
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 700;
  margin-top: 10px;
  transition:
    background 150ms ease-out,
    color 150ms ease-out;
}
.secondary:hover {
  background: var(--navy);
  color: #ffffff;
}
.local-note {
  font-size: 12px;
  color: var(--fg-faint);
  margin-bottom: 0;
}
.results {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  min-width: 0;
}
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}
.search {
  position: relative;
  flex: 1;
  min-width: 130px;
}
.search span {
  position: absolute;
  left: 12px;
  top: 8px;
  font-size: 23px;
  color: var(--fg-faint);
}
.search input {
  width: 100%;
  padding: 11px 12px 11px 37px;
  background: var(--input-bg);
  color: var(--input-fg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.search input::placeholder {
  color: var(--input-placeholder);
}
.search input:hover {
  border-color: var(--input-border-hover);
}
select {
  color: var(--input-fg);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  padding: 11px 9px;
  max-width: 100%;
}
select:hover {
  border-color: var(--input-border-hover);
}
.table-meta {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 16px 20px;
  color: var(--fg-muted);
  font-size: var(--fs-caption);
}
.table-wrap {
  overflow: auto;
}
table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
th {
  text-align: right;
  background: var(--surface-3);
  color: var(--slate);
  font-size: var(--fs-caption);
  position: sticky;
  top: 0;
  z-index: 1;
  border-block: 1px solid var(--border);
  padding: 13px 16px;
  white-space: nowrap;
}
th:first-child {
  text-align: left;
  min-width: 210px;
}
th button {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
  text-align: inherit;
}
th small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  margin-top: 5px;
}
td {
  border-bottom: 1px solid var(--border);
  padding: 15px 16px;
  text-align: right;
  white-space: nowrap;
  height: 81px;
}
td:first-child {
  text-align: left;
}
tbody tr:hover {
  background: var(--bg-subtle);
}
.model-button {
  border: 0;
  background: none;
  padding: 0;
  color: var(--fg-strong);
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  max-width: 230px;
  white-space: normal;
  line-height: 1.4;
}
.model-button:hover {
  color: var(--navy-700);
  text-decoration: underline;
}
.provider {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
  color: var(--fg-muted);
  font-size: var(--fs-caption);
}
.provider-mark {
  height: 6px;
  width: 6px;
  border-radius: 2px;
  display: inline-block;
  background: var(--provider);
}
.benchmark-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--fg-strong);
}
.bar {
  height: 3px;
  background: var(--sky);
  margin-top: 7px;
  min-width: 65px;
  border-radius: 2px;
  overflow: hidden;
}
.bar span {
  height: 100%;
  display: block;
  background: var(--mint);
}
.absent {
  color: var(--fg-faint);
}
.utility {
  font-size: 11px;
  color: var(--fg-faint);
  margin-left: 5px;
}
.company {
  background: var(--mint-100);
}
.company .benchmark-value {
  color: var(--fg-strong);
}
.coverage {
  display: block;
  font-size: 11px;
  color: var(--fg-faint);
  margin-top: 6px;
}
.price {
  font-size: 13px;
  line-height: 1.6;
}
.table-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 15px 20px;
  color: var(--fg-muted);
  font-size: var(--fs-caption);
  background: var(--surface-2);
}
.empty {
  text-align: center;
  padding: 40px;
  white-space: normal;
}

/* ============================================================
   AWARDS — semantic state ramps (best=warning, cheapest=info,
   value=success). Radius 6px per density spec.
   ============================================================ */
.awards {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
  max-width: 240px;
  white-space: normal;
}
.award {
  display: inline-block;
  border-radius: var(--radius-badge);
  padding: 4px 6px;
  font-size: var(--fs-caption);
  font-weight: 700;
  line-height: 1.25;
}
.award-best {
  background: var(--award-best-bg);
  color: var(--award-best-fg);
}
.award-cheapest {
  background: var(--award-cheapest-bg);
  color: var(--award-cheapest-fg);
}
.award-value {
  background: var(--award-value-bg);
  color: var(--award-value-fg);
}
.marker-key {
  padding: 13px 20px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-caption);
  color: var(--fg-muted);
  line-height: 1.6;
}
.marker-key strong {
  color: var(--fg-strong);
}
.weight select {
  width: 100%;
  margin-top: 6px;
  font-size: 11px;
  padding: 6px;
  white-space: normal;
}
.weight > small {
  display: block;
  color: var(--fg-faint);
  font-size: 11px;
  margin-top: 3px;
}
.view-note {
  font-size: var(--fs-caption);
  color: var(--fg-muted);
  padding: 0 4px;
  line-height: 1.7;
}

/* ============================================================
   PRIMARY ACTION — lens sort (mint CTA, navy text)
   ============================================================ */
.lens-sort {
  width: 100%;
  padding: 10px 10px;
  border: 2px solid var(--mint);
  border-radius: var(--radius-lg);
  background: var(--mint);
  color: var(--fg-on-accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: var(--tracking-button);
  margin: 3px 0 8px;
  transition: background 150ms ease-out;
}
.lens-sort:hover {
  background: var(--mint-600);
  border-color: var(--mint-600);
}
.lens-sort[aria-pressed='true'] {
  background: var(--navy);
  border-color: var(--navy);
  color: #ffffff;
}

/* ============================================================
   METHODOLOGY
   ============================================================ */
.methodology {
  margin: 54px 0 38px;
  scroll-margin-top: 20px;
}
.section-heading h2 {
  font-size: 26px;
  letter-spacing: var(--tracking-tight);
  margin: 9px 0 25px;
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.method-grid h3 {
  font-size: 16px;
  margin-top: 0;
}
.method-grid p {
  font-size: 14px;
  color: var(--fg-muted);
}
.method-grid a {
  font-size: 14px;
}
.sources {
  margin: 24px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.source-card {
  padding: 17px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  font-size: 13px;
}
.source-card a {
  font-size: 14px;
  font-weight: 700;
}
.source-card p {
  margin: 8px 0;
  color: var(--fg-muted);
}
.source-card small {
  font-size: var(--fs-caption);
  color: var(--fg-faint);
}
.scope-note {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 1100px;
}
.source-coverage {
  font-weight: 700;
  color: var(--success-fg);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 3.3vw;
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--fg-muted);
}
footer span {
  letter-spacing: 0;
}

/* ============================================================
   DIALOG
   ============================================================ */
dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(760px, 94vw);
  max-height: 90vh;
  padding: 26px;
  color: var(--fg-default);
  background: var(--surface-1);
  box-shadow: var(--shadow-raised);
}
dialog::backdrop {
  background: rgba(0, 24, 39, 0.4);
  backdrop-filter: blur(3px);
}
.dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dialog-head button {
  background: var(--surface-3);
  color: var(--fg-strong);
  border: 0;
  border-radius: 50%;
  width: 34px;
  height: 34px;
}
.dialog-head button:hover {
  background: var(--border-strong);
}
dialog h2 {
  font-size: 29px;
  margin: 15px 0 4px;
}
dialog h3 {
  margin: 26px 0 12px;
  font-size: 18px;
}
.detail-meta {
  color: var(--fg-muted);
  font-size: 14px;
}
.evidence {
  border: 1px solid var(--border);
  padding: 14px;
  margin: 10px 0;
  border-radius: var(--radius-md);
}
.evidence-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.evidence p {
  font-size: 13px;
  color: var(--fg-muted);
  margin: 7px 0;
}
.evidence a {
  font-size: 13px;
}
.evidence .number {
  font-size: 21px;
  font-family: var(--font-mono);
  font-weight: 600;
}
.rates {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.rates div {
  background: var(--surface-2);
  padding: 13px;
  border-radius: var(--radius-sm);
}
.rates small {
  display: block;
  color: var(--fg-muted);
  font-size: var(--fs-caption);
  margin-bottom: 7px;
}
.rates strong {
  font-size: 18px;
  font-family: var(--font-mono);
  font-weight: 600;
}
dialog .notes {
  font-size: 14px;
  background: var(--warning-bg);
  color: var(--warning-fg);
  padding: 13px;
  border-left: 4px solid var(--warning);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   BREAKPOINTS (unchanged)
   ============================================================ */
@media (min-width: 1500px) {
  td {
    padding: 16px 22px;
  }
}
@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 15px;
  }
  .preferences {
    padding: 20px 16px;
  }
  .toolbar {
    flex-wrap: wrap;
  }
  .search {
    flex-basis: 100%;
  }
  .context {
    display: none;
  }
  .method-grid {
    gap: 20px;
  }
}
@media (max-width: 760px) {
  header {
    padding: 0 20px;
    height: 68px;
  }
  .brand {
    font-size: 16px;
  }
  .brand-logo {
    height: 18px;
  }
  .method-link {
    font-size: 12px;
  }
  main {
    padding: 25px 18px 0;
  }
  .heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 17px;
  }
  .snapshot {
    text-align: left;
    grid-template-columns: auto auto;
  }
  .snapshot small {
    grid-column: 1/-1;
  }
  .workspace {
    display: flex;
    flex-direction: column;
  }
  .preferences {
    position: static;
    width: 100%;
  }
  .results {
    width: 100%;
  }
  #weights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
  }
  .weight {
    margin: 12px 0;
  }
  .panel-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .panel-title h2 {
    margin: 0;
  }
  .formula {
    margin-top: 10px;
  }
  .method-grid,
  .sources {
    grid-template-columns: 1fr;
  }
  .methodology {
    margin-top: 35px;
  }
  .rates {
    grid-template-columns: 1fr 1fr;
  }
  footer {
    flex-direction: column;
  }
  .table-meta {
    flex-wrap: wrap;
  }
  .theme-toggle {
    padding: 4px 10px;
    font-size: 12px;
  }
}
@media (max-width: 760px) {
  .results {
    order: 1;
  }
  .preferences {
    order: 2;
  }
}