/* Metric Kitchen: "Clean Utility" style.
   Colours live in the :root variables below; dark mode swaps them. */

:root {
  --bg: #F5F7F8;
  --card: #FFFFFF;
  --field: #F9FAFB;
  --ink: #101828;
  --muted: #5D6679;
  --line: #E4E7EC;
  --line-strong: #D0D5DD;
  --accent: #0E8A62;
  --accent-hover: #0B7553;
  --accent-soft: #E7F5EF;
  --on-accent: #FFFFFF;
  --result-bg: #0E8A62;
  --result-ink: #FFFFFF;
  --result-line: rgba(255, 255, 255, 0.25);
  --note-bg: rgba(255, 255, 255, 0.14);
  --focus: #0E8A62;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06);
  --shadow-pop: 0 12px 32px rgba(16, 24, 40, 0.14);

  --display: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --r-sm: 8px;
  --r-md: 10px;
  --r-lg: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1116;
    --card: #161B22;
    --field: #1C222B;
    --ink: #E8ECF1;
    --muted: #98A2B3;
    --line: #262E39;
    --line-strong: #344050;
    --accent: #2FB384;
    --accent-hover: #43C495;
    --accent-soft: #15302A;
    --on-accent: #06140F;
    --result-bg: #13382D;
    --result-ink: #E9FBF3;
    --result-line: rgba(233, 251, 243, 0.18);
    --note-bg: rgba(233, 251, 243, 0.08);
    --focus: #43C495;
    --shadow: none;
    --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip { position: absolute; left: -999px; top: 8px; }
.skip:focus { left: 16px; background: var(--card); padding: 8px 12px; border-radius: var(--r-sm); z-index: 10; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* ---------- Header ---------- */
.site-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.logo {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  font: 700 20px/1 var(--display); letter-spacing: -0.01em;
}
.logo-mark {
  width: 30px; height: 30px; border-radius: var(--r-sm);
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-size: 15px; font-weight: 800;
}
.site-nav { display: flex; gap: 22px; font-size: 14px; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: 22px 0 6px; }
h1 {
  font: 800 clamp(28px, 4.6vw, 44px)/1.08 var(--display);
  letter-spacing: -0.025em; max-width: 760px;
}
.lede { color: var(--muted); margin-top: 10px; max-width: 560px; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex; gap: 4px; margin: 22px 0 16px; padding: 4px;
  background: var(--line); border-radius: var(--r-md);
  width: max-content; max-width: 100%;
}
.tab {
  border: 0; background: none; padding: 9px 16px; border-radius: 7px;
  font-size: 14px; font-weight: 600; color: var(--muted); white-space: nowrap;
}
.tab[aria-selected="true"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgba(16, 24, 40, 0.1); }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.side-col, .main-col { display: grid; gap: 18px; min-width: 0; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 24px; box-shadow: var(--shadow);
}
.card-title { font: 700 18px/1.3 var(--display); margin-bottom: 12px; letter-spacing: -0.01em; }
.card > .muted { margin: -4px 0 14px; }

/* ---------- Form fields ---------- */
.label {
  display: block; font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted); margin-bottom: 8px;
}
.input {
  width: 100%; background: var(--field); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 11px 14px; font-size: 17px; font-weight: 500;
  -webkit-appearance: none; appearance: none;
}
.input:hover { border-color: var(--line-strong); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input::placeholder { color: var(--muted); font-weight: 400; }
.help { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; }

.calc-top { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px; margin-bottom: 14px; }
.units { border: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chip {
  border: 1px solid var(--line); background: var(--field); border-radius: 999px;
  padding: 7px 13px; font-size: 14px; font-weight: 500; min-height: 36px;
}
.chip:hover { border-color: var(--line-strong); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

/* ---------- Ingredient picker (combobox) ---------- */
.combo { position: relative; }
.combo-input { padding-right: 38px; text-overflow: ellipsis; }
.combo-chev {
  position: absolute; right: 14px; top: 50%; width: 8px; height: 8px; margin-top: -6px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg); pointer-events: none;
}
.combo-list {
  position: absolute; z-index: 20; left: 0; right: 0; top: calc(100% + 6px);
  max-height: min(340px, 55vh); overflow-y: auto; list-style: none;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md);
  box-shadow: var(--shadow-pop); padding: 6px;
}
.combo-list li {
  padding: 9px 10px; border-radius: 7px; cursor: pointer;
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
}
.combo-list li small { color: var(--muted); font-size: 12px; white-space: nowrap; }
.combo-list li[aria-selected="true"] { background: var(--accent-soft); }
.combo-list li.combo-other { color: var(--muted); border-top: 1px solid var(--line); border-radius: 0 0 7px 7px; margin-top: 4px; }
.combo-list .combo-empty { color: var(--muted); cursor: default; }

/* ---------- Result ---------- */
.result {
  background: var(--result-bg); color: var(--result-ink);
  border-radius: var(--r-md); padding: 20px 22px;
}
.result-main { display: flex; align-items: baseline; gap: 6px; }
.big { font: 800 64px/1 var(--display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.big-unit { font: 700 28px/1 var(--display); }
.result-sub { margin-top: 8px; font-size: 15px; opacity: 0.9; }
.result-alt { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--result-line); font-size: 14px; }
.result-alt:empty { display: none; }
.result-alt b { display: block; font: 700 18px/1.3 var(--display); }
.result-note { margin-top: 14px; font-size: 14px; background: var(--note-bg); padding: 10px 12px; border-radius: var(--r-sm); }

/* ---------- Settings ---------- */
.settings { margin-top: 16px; font-size: 14px; }
.settings summary { color: var(--muted); cursor: pointer; width: max-content; }
.settings[open] summary { margin-bottom: 10px; }
.switch { display: flex; gap: 10px; align-items: center; font-weight: 500; }
.switch input { width: 18px; height: 18px; accent-color: var(--accent); }

/* ---------- Side cards ---------- */
.ref-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.ref-table td { padding: 8px 0; border-bottom: 1px solid var(--line); }
.ref-table td:last-child { text-align: right; font-weight: 600; font-family: var(--display); }
.ref-table tr:last-child td { border-bottom: 0; }

.mini { display: flex; align-items: center; gap: 10px; }
.suffix-input { position: relative; width: 120px; flex: none; }
.suffix-input .input { padding-right: 36px; }
.suffix-input span { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 14px; pointer-events: none; }
.arrow { color: var(--muted); }
.mini-out { font: 800 26px/1.1 var(--display); color: var(--accent); letter-spacing: -0.02em; }
.mini + .muted { margin-top: 8px; }

.seg { display: flex; gap: 4px; margin-top: 12px; padding: 3px; background: var(--line); border-radius: var(--r-sm); width: max-content; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 5px 11px; border-radius: 6px; font-size: 13px; font-weight: 600; color: var(--muted); cursor: pointer; }
.seg input:checked + span { background: var(--card); color: var(--ink); }
.seg input:focus-visible + span { outline: 2px solid var(--focus); }

/* ---------- Buttons and other forms ---------- */
.btn {
  border: 0; background: var(--accent); color: var(--on-accent);
  border-radius: var(--r-md); padding: 12px 20px; font-weight: 600; font-size: 15px; white-space: nowrap;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.inline-form { display: flex; gap: 10px; }
.textarea { font-size: 16px; font-weight: 400; resize: vertical; margin-bottom: 12px; line-height: 1.5; }

/* ---------- Converted recipes ---------- */
.btn-secondary { background: var(--field); color: var(--ink); border: 1px solid var(--line-strong); }
.btn-secondary:hover { background: var(--line); }
.btn-block { display: block; text-align: center; text-decoration: none; }
.btn-link { border: 0; background: none; color: var(--accent); font-weight: 600; font-size: 14px; padding: 4px 0; }
.btn-link:hover { text-decoration: underline; }
.results:not(:empty) { margin-top: 22px; }
.alert { border: 1px solid var(--line-strong); background: var(--field); border-radius: var(--r-md); padding: 16px 18px; display: grid; gap: 6px; font-size: 15px; color: var(--muted); margin-bottom: 18px; }
.alert-title { color: var(--ink); font-weight: 600; font-size: 16px; }
.alert a { color: var(--accent); }
.paste-fallback .btn { margin-top: 2px; }
.intro { margin-bottom: 18px; }
.intro .muted { margin-top: 8px; }
.error-page { padding-top: 12px; }

.recipe-root { min-height: 50vh; }
.recipe-hero { padding: 18px 0 22px; }
.eyebrow { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 6px; }
.recipe-title { font: 800 clamp(28px, 4.4vw, 42px)/1.1 var(--display); letter-spacing: -0.025em; max-width: 820px; }
.recipe-title:focus { outline: none; }
.recipe-source { margin-top: 14px; }
.source-link {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 15px;
  padding: 9px 16px; border-radius: 999px; text-decoration: none;
}
.source-link:hover { text-decoration: underline; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 32px; margin-top: 20px; }
.fact dt { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; }
.fact dd { font: 700 17px/1.3 var(--display); }

.recipe-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.recipe-main, .recipe-side { display: grid; gap: 18px; min-width: 0; }

.card-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.card-head .card-title { margin: 0; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.switch.small { font-size: 14px; color: var(--muted); font-weight: 500; }
.switch.small input { width: 16px; height: 16px; }
.scale-note { font-size: 13px; color: var(--muted); background: var(--field); border-radius: var(--r-sm); padding: 8px 10px; margin-top: 10px; }

/* Servings scaler */
.scaler { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.scaler-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.scaler-stepper { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; background: var(--field); }
.scaler-step { width: 36px; height: 36px; border: 0; background: none; font-size: 20px; line-height: 1; color: var(--ink); border-radius: 999px; }
.scaler-step:hover:not(:disabled) { background: var(--line); }
.scaler-step:disabled { color: var(--line-strong); cursor: default; }
.scaler-count { min-width: 38px; text-align: center; font: 700 16px/1 var(--display); font-variant-numeric: tabular-nums; }
.scaler-presets { display: flex; gap: 4px; padding: 3px; background: var(--line); border-radius: var(--r-sm); }
.preset { border: 0; background: none; padding: 5px 9px; border-radius: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.preset[aria-pressed="true"] { background: var(--card); color: var(--ink); }

/* Ingredient list */
.ing-list { list-style: none; }
.ing { padding: 11px 0; border-bottom: 1px solid var(--line); display: grid; gap: 2px; }
.ing:last-child { border-bottom: 0; }
.ing-main { font-size: 16px; }
.ing-main strong { font-weight: 700; }
.ing-original { font-size: 13px; color: var(--muted); }
.hide-originals .ing-original { display: none; }
.ing-note { font-size: 13px; color: var(--muted); font-style: italic; }
.ing-heading { font: 700 15px/1.3 var(--display); padding: 18px 0 4px; border-bottom: 1px solid var(--line); }
.badge { justify-self: start; font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line-strong); border-radius: 999px; padding: 1px 8px; margin: 2px 0; }

/* Side cards */
.heat-list { list-style: none; }
.heat-list li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.heat-list li:last-child { border-bottom: 0; }
.heat-label { color: var(--muted); }
.heat-value { font-weight: 700; font-family: var(--display); text-align: right; display: grid; gap: 1px; }
.heat-original, .fact dd.fact-original { font: 400 13px/1.3 var(--body); color: var(--muted); }
.method-card .muted { margin-bottom: 14px; font-size: 15px; }
.another { margin-top: 18px; }

/* Loading */
.loading-state { padding: 40px 0; display: grid; gap: 14px; justify-items: start; color: var(--muted); }
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--line); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
.skeleton { display: grid; gap: 10px; width: 100%; max-width: 560px; }
.skeleton span { height: 14px; border-radius: 6px; background: var(--line); animation: pulse 1.2s ease-in-out infinite; }
.skeleton span:nth-child(1) { width: 70%; height: 30px; }
.skeleton span:nth-child(3) { width: 85%; }
.skeleton span:nth-child(4) { width: 60%; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: 0.5; } }
@media (prefers-reduced-motion: reduce) {
  .spinner, .skeleton span { animation: none; }
}

/* ---------- Guides and content pages ---------- */
.guide { max-width: 760px; padding: 8px 0 12px; }
.prose h1 { margin-top: 6px; }
.prose h2 { font: 700 22px/1.25 var(--display); letter-spacing: -0.015em; margin: 34px 0 10px; }
.prose p, .prose ul { margin: 0 0 14px; max-width: 68ch; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose a:not(.btn):not(.guide-card) { color: var(--accent); text-underline-offset: 2px; }
.prose code { font-size: 0.9em; background: var(--field); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; }
.prose .lede { font-size: 18px; color: var(--muted); margin-top: 10px; max-width: 62ch; }
.crumbs { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }

.answer {
  margin: 24px 0 8px; padding: 20px 22px; border-radius: var(--r-lg);
  background: var(--result-bg); color: var(--result-ink);
}
.answer p { margin: 0 0 6px; opacity: 0.9; }
.answer .answer-main { font: 700 22px/1.3 var(--display); opacity: 1; }
.answer .answer-main strong { font-weight: 800; }
.answer .btn { display: inline-block; margin-top: 10px; background: var(--result-ink); color: var(--result-bg); text-decoration: none; }
.answer .btn:hover { opacity: 0.92; background: var(--result-ink); }

.table-wrap { overflow-x: auto; margin: 6px 0 18px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--card); }
.data-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.data-table caption { text-align: left; padding: 10px 14px; color: var(--muted); font-size: 13px; }
.data-table th, .data-table td { padding: 9px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table thead th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; background: var(--field); }
.data-table tbody th { font-weight: 500; white-space: normal; }
.data-table td { font-family: var(--display); font-weight: 700; font-variant-numeric: tabular-nums; }
.data-table tbody tr:last-child > * { border-bottom: 0; }
.data-table a { color: var(--ink); }

.source-note { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 12px; margin-top: 24px; }
.jump { font-size: 14px; }
.related { margin-top: 30px; }
.related ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.related li { margin: 0; }
.related a { display: inline-block; padding: 7px 13px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); font-size: 14px; font-weight: 500; text-decoration: none; }
.related a:hover { border-color: var(--accent); }

.guide-grid { list-style: none; padding: 0 !important; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; max-width: none !important; }
.guide-grid li { margin: 0; }
.guide-card { display: grid; gap: 4px; height: 100%; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); text-decoration: none; }
.guide-card:hover { border-color: var(--accent); }
.guide-card-title { font: 700 16px/1.3 var(--display); color: var(--ink); }
.guide-card-desc { font-size: 13px; color: var(--muted); }
.guide:has(.guide-grid) { max-width: none; }
.contact-email .btn { text-decoration: none; display: inline-block; }

/* Home page: popular conversions */
.home-guides { margin-top: 40px; }
.home-guides h2 { font: 800 24px/1.2 var(--display); letter-spacing: -0.02em; margin-bottom: 6px; }
.home-guides > p { color: var(--muted); margin-bottom: 16px; }
.home-guides .guide-grid { margin-bottom: 26px; }
.home-guides h3 { font: 700 18px/1.3 var(--display); margin: 8px 0 8px; }
.home-guides .explain { max-width: 68ch; color: var(--ink); }
.home-guides .explain p { margin-bottom: 12px; }

/* ---------- Ad slots ----------
   Hidden unless js/ads.js fills them, or you're previewing locally (dashed
   placeholder boxes). Minimum heights stop the page jumping when ads load. */
.ad { display: none; }
.ads-preview .ad {
  border: 1px dashed var(--line-strong); border-radius: var(--r-md);
  display: grid; place-items: center; color: var(--muted);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; overflow: hidden;
}
.ad[data-ad-filled] { display: block; overflow: hidden; }
.ad[data-ad-filled] > span { display: none; }
.ad-wide { min-height: 100px; }
.ad-side { min-height: 250px; }
.ad-inline { min-height: 120px; margin: 22px 0; }

/* ---------- Footer ---------- */
.site-footer { color: var(--muted); font-size: 13px; padding: 36px 0 44px; display: grid; gap: 10px; }
.site-footer nav { display: flex; gap: 18px; }

/* ---------- Phones ---------- */
@media (max-width: 760px) {
  .site-nav { display: none; }
  .hero { padding: 6px 0 0; }
  .lede { font-size: 15px; }
  .tabs { margin-top: 18px; }
  .layout { grid-template-columns: 1fr; }
  .card { padding: 18px; }
  .calc-top { grid-template-columns: 96px minmax(0, 1fr); }
  .amount-group .help { display: none; }
  .big { font-size: 56px; }
  .inline-form { flex-direction: column; }
  .ad-wide, .ads-preview .ad-wide { display: none; }
  .recipe-layout { grid-template-columns: 1fr; }
  .recipe-hero { padding-top: 8px; }
  .home-guides .guide-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .home-guides .guide-card { padding: 12px; }
  .home-guides .guide-card-title { font-size: 15px; }
  .facts { gap: 10px 24px; }
}

/* ---------- Printing a converted recipe ---------- */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .site-footer, .ad, .another, .scaler, .toolbar, .method-card .btn, .skip { display: none !important; }
  .card { border: 0; box-shadow: none; padding: 0; }
  .recipe-layout { grid-template-columns: 1fr; }
  .source-link { background: none; padding: 0; color: #000; }
  .source-link::after { content: " (" attr(href) ")"; font-weight: 400; font-size: 12px; }
}