/* Fill Line — apothecary-label look: bottle green, wax white, amber glass. Square corners, hairlines, no shadows. */
:root {
  --bottle: #1d3a33; --bottle-2: #27493f; --bottle-line: #3d6157;
  --wax: #f4f2ec; --wax-2: #e9e5da; --soot: #1c1b18; --muted: #5a574f;
  --rule: #cbc5b7; --amber: #92521a; --amber-lt: #e3a85e; --warn: #8a2c1c;
  --serif: "Bodoni Moda", "Didot", "Bodoni 72", Georgia, serif;
  --sans: "Work Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--wax); color: var(--soot); font: 400 17px/1.6 var(--sans); }
a { color: var(--amber); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--soot); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--soot); color: var(--wax); padding: 8px 12px; z-index: 9; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.1; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.3rem; }
h1 em, h2 em { font-style: italic; color: var(--amber); }
p { margin: 0 0 1em; }
.kicker { font: 600 .74rem/1.2 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.lede { font-size: 1.12rem; color: #33312c; max-width: 36em; }
.num { font-variant-numeric: tabular-nums lining-nums; }

/* Header */
.site-head { background: var(--bottle); color: var(--wax); border-bottom: 3px double var(--amber-lt); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--wax); text-decoration: none; }
.brand svg { width: 26px; height: 34px; flex: none; }
.brand span { font: italic 500 1.55rem/1 var(--serif); letter-spacing: .01em; }
.brand:hover { color: var(--amber-lt); }
.nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav a { color: #d9dfd6; text-decoration: none; font: 500 .78rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; padding: 10px 11px; border-bottom: 1px solid transparent; }
.nav a:hover { color: #fff; border-bottom-color: var(--amber-lt); }
.nav a[aria-current="page"] { color: var(--amber-lt); border-bottom-color: var(--amber-lt); }

/* Home hero */
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--rule); }
.hero .wrap { display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; }
.hero h1 { margin-bottom: .35em; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 26px; }
.btn { display: inline-block; background: var(--bottle); color: var(--wax); text-decoration: none; font: 600 .82rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; padding: 15px 22px; border: 1px solid var(--bottle); cursor: pointer; }
.btn:hover { background: var(--soot); color: #fff; }
.btn.ghost { background: transparent; color: var(--bottle); }
.btn.ghost:hover { background: var(--bottle); color: var(--wax); }
.btn.small { padding: 11px 15px; font-size: .74rem; }
.btn[aria-disabled="true"] { opacity: .4; pointer-events: none; }

/* The apothecary label (hero specimen + result panels) */
.label { background: #fbfaf6; border: 1px solid var(--soot); padding: 7px; }
.label-in { border: 3px double var(--soot); padding: 22px 24px 18px; text-align: center; }
.label .lot { font: 600 .68rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--muted); }
.label .name { font: italic 500 1.85rem/1.1 var(--serif); margin: 10px 0 4px; }
.label .sub { font-size: .86rem; color: var(--muted); margin-bottom: 14px; }
.label dl { margin: 0; text-align: left; border-top: 1px solid var(--soot); }
.label dl div { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--rule); font-size: .93rem; }
.label dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 500; }
.label dl div.strong { border-bottom: 1px solid var(--soot); font-weight: 600; }
.label dl div.strong dt, .label dl div.strong dd { font-weight: 600; }
.label .foot { font-size: .74rem; color: var(--muted); margin: 12px 0 0; }

/* Fill-line divider motif */
.fill-rule { display: flex; align-items: center; gap: 12px; color: var(--amber); font: 600 .68rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; margin: 0 0 22px; }
.fill-rule::after { content: ""; flex: 1; border-top: 1px dashed var(--amber); }

/* Sections */
.block { padding: 64px 0; border-bottom: 1px solid var(--rule); }
.two { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; }
.tools { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--soot); margin-top: 28px; }
.tools a { display: grid; grid-template-columns: 64px 1fr; gap: 4px 14px; padding: 26px 26px 26px 0; text-decoration: none; color: var(--soot); border-bottom: 1px solid var(--rule); }
.tools a:nth-child(odd) { border-right: 1px solid var(--rule); }
.tools a:nth-child(even) { padding-left: 26px; }
.tools .no { grid-row: span 3; font: italic 400 2.4rem/1 var(--serif); color: var(--amber); }
.tools .t { font: 500 1.35rem/1.2 var(--serif); }
.tools .d { color: var(--muted); font-size: .95rem; }
.tools .go { font: 600 .72rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--bottle); margin-top: 6px; }
.tools a:hover .t { color: var(--amber); }
.quotes { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--soot); }
.quotes li { padding: 18px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 1fr auto; gap: 6px 22px; }
.quotes q { font: italic 400 1.18rem/1.4 var(--serif); quotes: "“" "”"; }
.quotes .src { font-size: .78rem; color: var(--muted); letter-spacing: .04em; white-space: nowrap; }
.quotes .fix { grid-column: 1 / -1; font-size: .93rem; color: #3a3833; }
.quotes .fix a { font-weight: 500; }

/* Workbook band */
.shelf { background: var(--bottle); color: var(--wax); padding: 64px 0; }
.shelf h2 { color: var(--wax); }
.shelf p { color: #dbe1d8; }
.shelf a { color: var(--amber-lt); }
.shelf .btn { background: var(--amber-lt); color: var(--soot); border-color: var(--amber-lt); }
.shelf .btn:hover { background: var(--wax); border-color: var(--wax); color: var(--soot); }
.shelf ul { margin: 0 0 24px; padding: 0; list-style: none; border-top: 1px solid var(--bottle-line); }
.shelf li { padding: 10px 0; border-bottom: 1px solid var(--bottle-line); color: #e6ebe3; font-size: .97rem; }
.shelf .price { font: italic 500 2.6rem/1 var(--serif); color: var(--amber-lt); margin: 0 0 6px; }
.shelf small { display: block; color: #b8c4bb; margin-top: 14px; font-size: .84rem; }

/* Tool pages */
.tool-head { padding: 46px 0 30px; border-bottom: 1px solid var(--rule); }
.tool-head h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
.tool { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; padding: 36px 0 64px; align-items: start; }
fieldset { border: 0; border-top: 1px solid var(--soot); margin: 0 0 30px; padding: 16px 0 0; min-width: 0; }
legend { font: 500 1.35rem/1.2 var(--serif); padding: 0 12px 0 0; }
legend i { font-style: italic; color: var(--amber); margin-right: 8px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }
.field { margin: 0 0 16px; min-width: 0; }
label, .lab { display: block; font: 600 .76rem/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; color: #2e2c27; }
input[type=text], select, textarea { width: 100%; font: 500 1rem/1.3 var(--sans); color: var(--soot); background: #fdfcf9; border: 1px solid #a9a395; border-radius: 0; padding: 11px 12px; font-variant-numeric: tabular-nums; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--soot) 50%), linear-gradient(135deg, var(--soot) 50%, transparent 50%); background-position: calc(100% - 17px) 52%, calc(100% - 12px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 30px; }
input:focus, select:focus, textarea:focus { border-color: var(--bottle); outline: 2px solid var(--bottle); outline-offset: -1px; }
input[aria-invalid="true"] { border-color: var(--warn); background: #fbefeb; }
.affix { position: relative; }
.affix i { position: absolute; top: 50%; transform: translateY(-50%); left: 12px; font-style: normal; color: var(--muted); font-size: .95rem; pointer-events: none; }
.affix input { padding-left: 28px; }
.affix.suf i { left: auto; right: 12px; }
.affix.suf input { padding-left: 12px; padding-right: 40px; }
.hint { font-size: .82rem; color: var(--muted); margin-top: 5px; line-height: 1.45; }
.seg { display: flex; border: 1px solid #a9a395; width: fit-content; max-width: 100%; }
.seg label { margin: 0; font-size: .74rem; letter-spacing: .08em; padding: 10px 14px; cursor: pointer; border-right: 1px solid #a9a395; background: #fdfcf9; }
.seg label:last-child { border-right: 0; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg input:checked + span { color: var(--wax); }
.seg label:has(input:checked) { background: var(--bottle); color: var(--wax); }
.seg label:has(input:focus-visible) { outline: 2px solid var(--amber); outline-offset: -2px; }
.check { display: flex; gap: 10px; align-items: flex-start; font: 400 .95rem/1.4 var(--sans); text-transform: none; letter-spacing: 0; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--bottle); }

.result { position: sticky; top: 18px; background: var(--bottle); color: var(--wax); padding: 8px; }
.result-in { border: 1px solid var(--bottle-line); outline: 1px solid var(--bottle-line); outline-offset: 3px; padding: 24px 24px 20px; margin: 4px; }
.result h2 { font-size: 1.2rem; font-style: italic; color: var(--amber-lt); margin-bottom: 14px; }
.big-lab { font: 600 .7rem/1.2 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: #b9c6bd; }
.big { font: 500 clamp(2.4rem, 5vw, 3.2rem)/1.05 var(--serif); font-variant-numeric: lining-nums tabular-nums; margin: 6px 0 4px; color: #fff; }
.bigs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 8px; }
.bigs .big { font-size: clamp(1.9rem, 4vw, 2.5rem); }
.rows { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--bottle-line); }
.rows li { display: flex; justify-content: space-between; gap: 14px; padding: 8px 0; border-bottom: 1px solid var(--bottle-line); font-size: .93rem; color: #dfe5dc; }
.rows li span:last-child { font-variant-numeric: tabular-nums; color: #fff; font-weight: 500; text-align: right; }
.rows li.sum { color: #fff; font-weight: 600; border-bottom-color: #8fa89c; }
.rows li.sum span:last-child { color: var(--amber-lt); }
.rows li.head { color: var(--amber-lt); font: 600 .7rem/1.2 var(--sans); letter-spacing: .18em; text-transform: uppercase; padding-top: 16px; }
.result .note { font-size: .8rem; color: #b9c6bd; margin: 14px 0 0; }
.result .actions { margin-top: 18px; }
.result .btn { background: var(--amber-lt); color: var(--soot); border-color: var(--amber-lt); }
.result .btn.ghost { background: transparent; color: var(--wax); border-color: #8fa89c; }
.result .btn:hover { background: var(--wax); color: var(--soot); }
.msg { font-size: .88rem; margin-top: 12px; color: #ffd2b8; min-height: 0; }
.msg:empty { display: none; }

/* Channel table */
.chan { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: .9rem; font-variant-numeric: tabular-nums; }
.chan th, .chan td { padding: 9px 6px; text-align: right; border-bottom: 1px solid var(--bottle-line); color: #e3e8e0; }
.chan th:first-child, .chan td:first-child { text-align: left; padding-left: 0; }
.chan thead th { font: 600 .66rem/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #b9c6bd; }
.chan td.keep { color: #fff; font-weight: 600; }
.chan tr.bad td.keep { color: #ffb59a; }
.chan tr.thin td.keep { color: var(--amber-lt); }

/* Label preview */
.preview { display: grid; gap: 18px; }
.preview .label { color: var(--soot); }
.warnbox { text-align: left; font-size: .86rem; line-height: 1.45; border: 1px solid var(--soot); padding: 12px 14px; background: #fff; color: var(--soot); }
.warnbox strong { letter-spacing: .04em; }
.tri { width: 18px; height: 16px; vertical-align: -2px; margin-right: 4px; }
pre.copy { white-space: pre-wrap; font: 400 .86rem/1.5 var(--sans); background: #fdfcf9; color: var(--soot); border: 1px solid #a9a395; padding: 12px 14px; margin: 6px 0 10px; }
.checklist { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--bottle-line); }
.checklist li { padding: 9px 0 9px 22px; border-bottom: 1px solid var(--bottle-line); font-size: .9rem; color: #e3e8e0; position: relative; }
.checklist li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 9px; height: 9px; border: 1px solid var(--amber-lt); }
.checklist li.opt::before { border-style: dashed; }

/* Prose pages + explainer under tools */
.explain { padding: 56px 0; border-top: 1px solid var(--rule); background: var(--wax-2); }
.explain .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.explain h3 { font-size: 1.2rem; }
.explain p, .explain li { font-size: .95rem; color: #3a3833; }
.formula { font: 500 .92rem/1.5 var(--sans); background: #fbfaf6; border-left: 3px solid var(--amber); padding: 10px 14px; margin: 0 0 14px; font-variant-numeric: tabular-nums; }
.prose { max-width: 42em; padding: 48px 0 64px; }
.prose h2 { margin-top: 1.4em; font-size: 1.7rem; }
.prose ul { padding-left: 1.2em; }

/* Footer */
.site-foot { background: var(--soot); color: #cfccc3; padding: 40px 0 46px; font-size: .9rem; }
.site-foot .wrap { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 36px; }
.site-foot a { color: var(--amber-lt); }
.site-foot strong { font: italic 500 1.3rem/1 var(--serif); color: var(--wax); display: block; margin-bottom: 8px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 6px; }
.site-foot .fine { grid-column: 1 / -1; border-top: 1px solid #3a3833; padding-top: 16px; font-size: .8rem; color: #9b978d; margin: 0; }

@media (max-width: 900px) {
  .hero .wrap, .two, .tool { grid-template-columns: 1fr; gap: 34px; }
  .result { position: static; }
  .explain .cols, .site-foot .wrap { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 18px; }
  .site-head .wrap { flex-direction: column; align-items: flex-start; gap: 4px; padding-top: 12px; padding-bottom: 6px; }
  .nav { margin-left: -11px; }
  .nav a { padding: 9px 8px; letter-spacing: .1em; font-size: .72rem; }
  .hero { padding: 40px 0; }
  .block, .shelf { padding: 46px 0; }
  .tools { grid-template-columns: 1fr; }
  .tools a, .tools a:nth-child(even) { padding: 20px 0; border-right: 0; }
  .tools a { grid-template-columns: 48px 1fr; }
  .tools .no { font-size: 1.9rem; }
  .grid2, .grid3 { grid-template-columns: 1fr 1fr; }
  .quotes li { grid-template-columns: 1fr; }
  .quotes .src { white-space: normal; }
  .chan { font-size: .82rem; }
  .chan th, .chan td { padding: 8px 3px; }
}
@media print { .site-head, .site-foot, .nav, .actions, .shelf { display: none; } .result { background: #fff; color: #000; } }

/* Review pass fixes */
.chan-wrap { overflow-x: auto; }
.peek { display: none; }
@media (max-width: 900px) {
  .peek { position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; display: flex; align-items: baseline; gap: 12px; background: var(--bottle); color: var(--wax); text-decoration: none; padding: 12px 18px calc(12px + env(safe-area-inset-bottom)); border-top: 3px double var(--amber-lt); }
  .peek.off { display: none; }
  .peek-l { font: 600 .68rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: #b9c6bd; }
  .peek-v { font: 500 1.35rem/1 var(--serif); color: #fff; font-variant-numeric: lining-nums tabular-nums; flex: 1; }
  .peek-go { font: 600 .7rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--amber-lt); }
  body.has-peek .site-foot { padding-bottom: 90px; }
}
@media (max-width: 640px) {
  .chan { font-size: .76rem; }
  .chan thead th { font-size: .58rem; letter-spacing: .06em; }
  .chan th, .chan td { padding: 8px 2px; }
}
@media (max-width: 900px) {
  .peek-l { max-width: 72px; line-height: 1.25; }
  .peek-v { font-size: 1.15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .peek-go { white-space: nowrap; }
}
@media (max-width: 640px) {
  .grid3 { grid-template-columns: 1fr 1fr 1fr; gap: 0 10px; }
  .grid3 label { font-size: .68rem; letter-spacing: .06em; }
  .grid3 input, .grid3 select { padding-left: 9px; padding-right: 9px; }
  .grid3 .affix input { padding-left: 24px; }
  .grid3 select { padding-right: 24px; background-position: calc(100% - 14px) 52%, calc(100% - 9px) 52%; }
}
@media (max-width: 640px) {
  .grid2 > .field > label, .grid3 > .field > label, .grid2 > .field > .lab { min-height: 2.6em; display: flex; align-items: flex-end; }
  .grid2 > .field > label.check { min-height: 0; }
}