:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #22201c;
  --muted: #6d675e;
  --border: #e3ded5;
  --accent: #b5542c;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --problem-bg: #fdecea;
  /* Chart series colors (validated categorical palette, light surface). */
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --series-5: #e87ba4; --series-6: #008300; --series-7: #4a3aa7; --series-8: #e34948;
  --chart-grid: #e1e0d9; --chart-axis: #c3c2b7; --chart-muted: #6d675e;
  --macro-protein: #2f7d6d;
  --macro-carbs: #d9a53a;
  --macro-fat: #b5542c;
  --radius: 8px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1917;
    --surface: #24221f;
    --text: #ece8e1;
    --muted: #a39c91;
    --border: #3a3732;
    --accent: #e0835a;
    --accent-text: #1a1917;
    --danger: #f2837a;
    --problem-bg: #3b1f1c;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
    --chart-grid: #34322e; --chart-axis: #4a4741; --chart-muted: #a39c91;
    --macro-protein: #5bb8a4;
    --macro-carbs: #e8c060;
    --macro-fat: #e0835a;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
h1, h2 { line-height: 1.2; }
h1 { margin: 0 0 .5rem; }
code { font-size: .9em; background: var(--border); padding: 0 .25em; border-radius: 3px; }

.topbar {
  display: flex; align-items: center; gap: 1.5rem;
  padding: .75rem 1rem; border-bottom: 1px solid var(--border); background: var(--surface);
}
.brand { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--text); }
.topbar nav { display: flex; gap: 1rem; }
.topbar nav a { text-decoration: none; color: var(--muted); }
.topbar nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

main { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }

.page-head, .section-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.actions { display: flex; align-items: center; gap: .75rem; }
.actions form { margin: 0; }

button, .button {
  font: inherit; cursor: pointer; display: inline-block; text-decoration: none;
  padding: .4rem .9rem; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--danger); }
button.small { padding: .15rem .5rem; font-size: .875rem; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; padding: .35rem .5rem;
}
textarea { width: 100%; }

.search { display: flex; gap: .5rem; align-items: center; margin: 1rem 0 1.5rem; }
.search input { flex: 1; }

.cards { list-style: none; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.card h2 { font-size: 1.15rem; margin: 0 0 .25rem; }
.card a { text-decoration: none; }
.card p { margin: .25rem 0; }
.meta, .hint, .note { color: var(--muted); font-size: .9rem; }
.note::before { content: " — "; }
.empty { color: var(--muted); }
.lead { font-size: 1.1rem; color: var(--muted); }

.problems { background: var(--problem-bg); border: 1px solid var(--danger); border-radius: var(--radius); padding: .5rem 1rem; margin: 1rem 0; }
.problems ul { margin: 0; padding-left: 1.25rem; }

.facts { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1rem 0; }
.facts dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }

.scale { display: flex; gap: .5rem; align-items: center; font-size: .9rem; }
.scale input { width: 4.5rem; }

table { border-collapse: collapse; }
.items td { padding: .3rem .75rem .3rem 0; vertical-align: top; }
.items .qty { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.items .unit { color: var(--muted); white-space: nowrap; }
.subrecipe::after { content: " ↗"; font-size: .8em; }
.steps li { margin-bottom: .6rem; }

.list { width: 100%; }
.list th, .list td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--border); }
.list form { margin: 0; }

.recipe-form { display: grid; gap: 1rem; }
.recipe-form label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; }
.recipe-form label .hint { font-weight: 400; }
.recipe-form .wide input { width: 100%; }
.recipe-form .row { display: flex; flex-wrap: wrap; gap: 1rem; }
.pair { display: flex; gap: .25rem; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin: 0; overflow-x: auto; }
legend { font-weight: 600; padding: 0 .25rem; }
.item-rows { width: 100%; margin-bottom: .75rem; }
.item-rows th { text-align: left; font-size: .8rem; color: var(--muted); font-weight: 500; padding: 0 .25rem; }
.item-rows td { padding: .2rem .25rem; }
.item-rows input { width: 100%; min-width: 4rem; }
.item-rows td:nth-child(4) input { min-width: 12rem; }
.remove-row { border: none; background: none; color: var(--muted); }
.paste { margin-top: 1rem; }
.paste summary { cursor: pointer; color: var(--accent); }
.paste textarea { margin: .5rem 0; }

.crumbs { margin: 0 0 .5rem; font-size: .9rem; }
.crumbs a { text-decoration: none; }

.nutrition-form { display: grid; gap: 1rem; }
.nutrition-form label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; }
.nutrition-form .row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: end; margin-bottom: 1rem; }
.pair { align-items: center; }
.facts-grid { display: grid; gap: .75rem 1rem; grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr)); }
.facts-grid input { width: 100%; }
.after-form { margin-top: 1rem; }

.nutrition-table th, .nutrition-table td { padding: .3rem 1.25rem .3rem 0; text-align: right; font-variant-numeric: tabular-nums; }
.nutrition-table thead th { font-size: .8rem; color: var(--muted); font-weight: 500; }
.nutrition-table tbody th { text-align: left; font-weight: 600; }
.nutrition-table tr.sub th { font-weight: 400; padding-left: 1rem; color: var(--muted); }
.nutrition-table tbody tr { border-bottom: 1px solid var(--border); }

.macros { margin: 1rem 0; max-width: 28rem; }
.macro-bar { display: flex; height: .75rem; border-radius: 999px; overflow: hidden; background: var(--border); }
.macro-legend { display: flex; gap: 1rem; font-size: .9rem; margin: .4rem 0 0; }
.macro-legend i { display: inline-block; width: .7rem; height: .7rem; border-radius: 2px; margin-right: .3rem; vertical-align: -1px; }
.m-protein { background: var(--macro-protein); }
.m-carbs { background: var(--macro-carbs); }
.m-fat { background: var(--macro-fat); }

.issues { margin-top: 1rem; }
.issues summary { cursor: pointer; color: var(--muted); }
.issues ul { margin: .5rem 0 0; }

.source, .notice { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .5rem .75rem; }
section { margin-top: 2rem; }
.portions td.num { text-align: right; font-variant-numeric: tabular-nums; }
.add-portion { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: .75rem; }
.usda-results { list-style: none; padding: 0; display: grid; gap: .5rem; }
.usda-results li { display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .6rem .75rem; }
.usda-results form { margin: 0; flex-shrink: 0; }
.usda-name { font-weight: 600; display: block; }
.usda-facts { display: block; font-size: .9rem; }
.usda-results .hint, .choice .hint { display: block; }
fieldset.match { margin-bottom: 1rem; }
.choice { display: flex; gap: .6rem; align-items: flex-start; padding: .4rem 0; cursor: pointer; }
.choice input { margin-top: .3rem; }

.import-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem 1rem; margin: 1rem 0 1.5rem; }
.import-form label { font-weight: 600; }
.import-form .search { margin: .4rem 0 .25rem; }
.import-box .hint { margin: .25rem 0; }
.bookmarklet summary { cursor: pointer; color: var(--muted); font-size: .9rem; }
.notice { margin: 1rem 0; }

.item-status { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; margin-top: .2rem; font-size: .8rem; }
.item-status:empty { display: none; }
.tag { border-radius: 999px; padding: 0 .5rem; border: 1px solid var(--border); color: var(--muted); }
.tag.missing { border-color: var(--danger); color: var(--danger); }
.suggest { font-size: .8rem; padding: .05rem .5rem; border-color: var(--accent); color: var(--accent); }

.latest-price { font-size: 1.1rem; margin: .25rem 0; }
.prices td.num, .prices th.num { text-align: right; font-variant-numeric: tabular-nums; }
.prices tr.current td { font-weight: 600; }
.add-price { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; margin-top: .75rem; }
.add-price label { display: flex; flex-direction: column; gap: .2rem; font-size: .9rem; }

.receipt-upload .row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin-top: .5rem; }
.receipt-header { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: .5rem; }
.receipt-header label { display: flex; flex-direction: column; gap: .2rem; font-weight: 600; font-size: .9rem; }
.receipt-header .grow { flex: 1; min-width: 14rem; }
.receipt-header .grow input { width: 100%; }
.receipt-lines td { vertical-align: top; }
.receipt-lines .receipt-text { font-size: .9rem; max-width: 22rem; }
.receipt-lines input[name="line_ingredient"] { width: 100%; min-width: 14rem; }
.receipt-lines input[name="line_unit"] { width: 4.5rem; }
.receipt-lines .receipt-text { max-width: 18rem; }
.nowrap { white-space: nowrap; }
.tag.remembered, .tag.matched { border-color: var(--macro-protein); color: var(--macro-protein); }

h3 { font-size: 1rem; margin: 1.25rem 0 .4rem; }
.swatch { display: inline-block; width: .7rem; height: .7rem; border-radius: 2px; margin-right: .4rem; vertical-align: -1px; }
.compare-table td.num, .compare-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.price-chart { margin: 1rem 0; }
.price-chart figcaption { font-weight: 600; margin-bottom: .35rem; }
.chart-legend { list-style: none; padding: 0; margin: 0 0 .35rem; display: flex; flex-wrap: wrap; gap: .25rem 1rem; font-size: .85rem; color: var(--muted); }
.chart-wrap { position: relative; }
.price-chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.price-chart .grid { stroke: var(--chart-grid); stroke-width: 1; }
.price-chart .axis { stroke: var(--chart-axis); stroke-width: 1; }
.price-chart .tick, .price-chart .direct-label { fill: var(--chart-muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.price-chart .direct-label { fill: var(--text); font-size: 12px; }
.price-chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.price-chart .pt { stroke: var(--surface); stroke-width: 2; cursor: pointer; }
.price-chart .pt:hover, .price-chart .pt:focus { r: 6; outline: none; }
.chart-tip { position: absolute; pointer-events: none; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: .3rem .5rem; font-size: .8rem; box-shadow: 0 2px 8px rgba(0,0,0,.15); white-space: nowrap; transform: translate(-50%, -120%); }
.s1 { --c: var(--series-1); }
.s2 { --c: var(--series-2); }
.s3 { --c: var(--series-3); }
.s4 { --c: var(--series-4); }
.s5 { --c: var(--series-5); }
.s6 { --c: var(--series-6); }
.s7 { --c: var(--series-7); }
.s8 { --c: var(--series-8); }
.swatch { background: var(--c); }
.line { stroke: var(--c); }
.pt { fill: var(--c); }

.conversion-row { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin: 0; }
.conversion-row .eq { color: var(--muted); }
.add-conversion { margin-top: .75rem; }
.conversion-list { margin: .25rem 0; padding-left: 1.25rem; }
.conversions td { vertical-align: middle; }
.conversions tbody + tbody { border-top: 2px solid var(--border); }
h2.compact { font-size: 1rem; margin: 0 0 .25rem; }

@media (max-width: 40rem) {
  .item-rows thead { display: none; }
  .item-rows tr { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: .25rem; padding: .5rem 0; border-bottom: 1px solid var(--border); }
  .item-rows td:nth-child(4), .item-rows td:nth-child(5) { grid-column: 1 / 4; }
  .item-rows td:nth-child(4) input { min-width: 0; }
}