/* Toilet Paper Math */

:root {
  --bg: #FFF8EC;
  --surface: #FFFFFF;
  --surface-2: #FBF3E6;
  --ink: #2E2140;
  --muted: #6A5D72;
  --line: #E8DCCB;
  --line-strong: #CDBBA4;
  --sun: #FFC83D;
  --sun-soft: #FFF2C4;
  --win: #1F7A5C;
  --lose: #A8402F;
  --charmin: #2462D6;
  --charmin-soft: #E6EEFF;
  --qn: #E0457B;
  --qn-ink: #B92A5F;
  --qn-soft: #FFE8F0;
  --angel: #128C7E;
  --angel-ink: #0B6B60;
  --angel-soft: #DDF3EF;
  --kirkland: #C2570C;
  --kirkland-ink: #9A4508;
  --kirkland-soft: #FDEBDC;
  --regular: #A08A72;
  --radius: 14px;
  --font-fun: "Arial Rounded MT Bold", ui-rounded, "SF Pro Rounded", "Nunito", "Trebuchet MS", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 { font-family: var(--font-fun); font-weight: normal; line-height: 1.2; margin: 0 0 0.4em; }
h1 { font-size: clamp(1.5rem, 3vw, 2rem); }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 0.8em; }
a { color: var(--charmin); }

.wrap { width: min(1200px, 100% - 32px); margin-inline: auto; position: relative; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 50;
  background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--charmin); outline-offset: 2px; border-radius: 6px; }

.hint { font-size: 0.85rem; color: var(--muted); margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.4em;
  font: inherit; font-weight: 600;
  padding: 0.55em 1.1em; border-radius: 999px; border: 2px solid var(--ink);
  color: var(--ink); background: var(--surface); text-decoration: none; cursor: pointer;
}
.btn-primary { background: var(--sun); }
.btn-primary:hover { background: #FFBD1F; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-link {
  font: inherit; font-size: 0.9rem; color: var(--muted); background: none; border: 0; padding: 0.3em 0.2em;
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.btn-link:hover { color: var(--ink); }
.btn-link[disabled] { cursor: default; text-decoration: none; }
.btn-small { padding: 0.3em 0.85em; font-size: 0.85rem; border-width: 1.5px; }
.btn-small:hover { background: var(--surface-2); }
.faq-cta { display: block; margin-top: 10px; }
.about-more { margin: 18px 0 0; font-size: 0.92rem; }
.quiet-link { color: var(--muted); text-underline-offset: 3px; }
.quiet-link:hover { color: var(--ink); }

/* ---------- Background: rolls unspooling as they drift by ----------
   Built by app.js from TPCore.skyRollHTML. Three depths for parallax: farther rolls are
   smaller, fainter and slower. Only transforms animate, so it all stays on the compositor. */
.sky { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; contain: strict; }
.sky.is-paused * { animation-play-state: paused !important; }
.drifter { position: absolute; left: 0; animation: drift linear infinite; will-change: transform; }
.drifter.depth-far { opacity: 0.08; }
.drifter.depth-mid { opacity: 0.12; }
.drifter.depth-near { opacity: 0.16; }
.drifter-scale { transform-origin: 0 50%; }
.depth-far .drifter-scale { transform: scale(0.6); }
.depth-mid .drifter-scale { transform: scale(0.8); }
.drifter-bob { position: relative; width: 48px; height: 48px; animation: bob 4s ease-in-out infinite alternate; }
.spool { position: relative; display: block; width: 48px; height: 48px; animation: spin 4s linear infinite; }
/* The ribbon leaves the bottom of the roll and trails behind it. Each sheet hangs off the one before. */
.ribbon { position: absolute; left: 22px; top: 41px; }
.sheet {
  position: absolute; right: 0; top: 0; width: 20px; height: 24px;
  background: #fff; border: 1.5px solid rgba(46, 33, 64, 0.6); border-right-style: dashed;
  transform-origin: 100% 50%; animation: sway 1s ease-in-out infinite alternate;
}
.sheet .sheet { right: calc(100% + 1.5px); top: -1.5px; }

@keyframes drift {
  from { transform: translate3d(-240px, 0, 0); }
  to { transform: translate3d(calc(100vw + 80px), 0, 0); }
}
@keyframes bob {
  from { transform: translate3d(0, -10px, 0); }
  to { transform: translate3d(0, 10px, 0); }
}
@keyframes spin { to { transform: rotate(1turn); } }
@keyframes sway {
  from { transform: rotate(-7deg); }
  to { transform: rotate(3deg); }
}

.site-header, main, .site-footer { position: relative; z-index: 1; }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: rgba(255, 248, 236, 0.9); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding: 10px 0; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.mascot { width: 58px; height: 63px; flex: none; overflow: visible; }
.roll-body { transform-box: fill-box; transform-origin: 50% 100%; animation: wobble 3.2s ease-in-out infinite; }
.tail-reveal { stroke-dasharray: 100 100; stroke-dashoffset: 100; animation: unroll 7s ease-in-out infinite; }
@keyframes wobble {
  0%, 100% { transform: rotate(-3deg); }
  50% { transform: rotate(3deg); }
}
@keyframes unroll {
  0% { stroke-dashoffset: 100; }
  45%, 75% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: 100; }
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-fun); font-size: 1.35rem; }
.brand-tag { font-size: 0.8rem; color: var(--muted); }

/* Four tabs in a pill, then Data as a quiet text link. */
.site-nav { display: flex; align-items: center; gap: 14px; }
.nav-tabs { display: flex; gap: 4px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.nav-tabs a {
  color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.92rem;
  padding: 0.4em 0.95em; border-radius: 999px; white-space: nowrap; transition: background-color 0.15s, color 0.15s;
}
.nav-tabs a:hover { background: var(--surface); }
.nav-tabs a[aria-current] { background: var(--ink); color: #fff; }
@media (prefers-reduced-motion: reduce) { .nav-tabs a { transition: none; } }
.nav-short { display: none; }

/* ---------- Softness scale: one long strip of paper, rough at the top, fluffy at the bottom ---------- */
.soft-legend { max-width: 720px; margin: 0 0 14px; color: var(--muted); font-size: 0.92rem; }
.soft-scale { max-width: 720px; margin: 0 0 24px; }
/* The roll the strip hangs from. */
.soft-scale::before {
  content: ""; display: block; height: 26px; margin: 0 -10px -4px; position: relative; z-index: 1;
  background: linear-gradient(#FFFFFF, #F1E6D4); border: 1px solid var(--line-strong); border-radius: 13px;
  box-shadow: 0 3px 8px rgba(46, 33, 64, 0.08);
}
.soft-strip { list-style: none; margin: 0; padding: 0; }
/* Each row is a sheet. The gauge down the left edge runs from grit to sky. */
.soft-sheet {
  display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 8px 14px; align-items: center;
  padding: 14px 18px 14px 24px; border: 1px solid var(--line-strong); border-block-width: 0; min-height: 68px;
  background: linear-gradient(var(--g, var(--line)), var(--g2, var(--line))) left / 6px 100% no-repeat, var(--surface);
}
.soft-sheet + .soft-sheet { border-top: 2px dashed var(--line); }
.soft-end { border-bottom-width: 1px; border-radius: 0 0 18px 18px; box-shadow: 0 12px 30px rgba(46, 33, 64, 0.08); }
/* Past the end of the roll: torn off and floating just below it. */
.soft-sheet.soft-beyond {
  margin-top: 16px; border: 2px dashed var(--line-strong); border-radius: 18px;
  background: linear-gradient(var(--g), var(--g)) left / 6px 100% no-repeat, linear-gradient(var(--surface), #F3F9FF);
}
.lv-0 { --g: #86602F; --g2: #9C7646; }
.lv-1 { --g: #9C7646; --g2: #BE955C; }
.lv-2 { --g: #BE955C; --g2: #DDB574; }
.lv-3 { --g: #DDB574; --g2: #EBCB8C; }
.lv-4 { --g: #EBCB8C; --g2: #F5E2B8; }
.lv-5 { --g: #F5E2B8; --g2: #FCF3E2; }
.lv-6 { --g: #FCF3E2; --g2: #FFE3EA; }
.lv-7 { --g: #FFE3EA; --g2: #FFCAD8; }
.lv-8 { --g: #FFCAD8; --g2: #F5BAD3; }
.lv-9 { --g: #F5BAD3; --g2: #C9CDF5; }
.lv-10 { --g: #C9CDF5; --g2: #A9D8FF; }
.lv-11 { --g: #A9D8FF; --g2: #A9D8FF; }
.soft-sheet:first-child { border-top: 0; }
.soft-sheet.is-empty { min-height: 0; padding-block: 7px; }
.soft-level { margin: 0; display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 4px; }
.soft-num { font-family: var(--font-fun); font-size: 2rem; line-height: 1.05; }
.soft-of { font-size: 0.75rem; color: var(--muted); }
.soft-band { flex-basis: 100%; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.is-empty .soft-num { font-size: 1.15rem; color: var(--muted); }
.is-empty .soft-level { grid-column: 1 / -1; }
.is-empty .soft-band { flex-basis: auto; margin-left: 6px; }
.soft-items { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.soft-item { display: flex; flex-direction: column; gap: 2px; padding: 8px 12px; border-radius: 12px; border-left: 4px solid var(--regular); background: var(--surface-2); }
.soft-item.charmin { border-color: var(--charmin); background: var(--charmin-soft); }
.soft-item.qn { border-color: var(--qn); background: var(--qn-soft); }
.soft-item.angel { border-color: var(--angel); background: var(--angel-soft); }
.soft-item.kirkland { border-color: var(--kirkland); background: var(--kirkland-soft); }
.soft-item-name { font-weight: 700; color: var(--ink); text-decoration: none; }
a.soft-item-name:hover { text-decoration: underline; }
.soft-sizes { display: flex; flex-wrap: wrap; gap: 0 10px; font-size: 0.82rem; }
.soft-sizes a { color: var(--muted); }
/* Reference points that aren't products: same chip, quieter tints. */
.soft-anchor { border-left-color: var(--line-strong); background: var(--surface-2); max-width: 100%; }
.soft-caption { font-size: 0.82rem; color: var(--muted); }
.soft-sandpaper {
  border-left-color: #C7A274;
  background: radial-gradient(rgba(120, 85, 40, 0.13) 1px, transparent 1.6px) 0 0 / 5px 5px, #FBF5EC;
}
.soft-porta-potty { border-left-color: #A9B4BC; background: #F2F4F5; }
.soft-cloud { border-left-color: #A9D8FF; background: radial-gradient(120% 100% at 50% 120%, #FFFFFF 35%, #EDF6FF 100%); }
.soft-unrated { margin-bottom: 8px; }
.soft-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; max-width: 720px; margin: 0 0 8px; }
.soft-table td:nth-child(3) { min-width: 16em; }
.soft-source-list { font-size: 0.9rem; }
.soft-source-list li + li { margin-top: 4px; }

/* ---------- Page ---------- */
main.page { flex: 1; padding: 20px 0 28px; }
.page-head { margin-bottom: 14px; }
.page-head h1 { margin-bottom: 0.15em; }
.lede { color: var(--muted); margin: 0; }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 12px; }

.segmented { display: inline-flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.seg-label { font-size: 0.85rem; color: var(--muted); margin-right: 4px; }
.segmented label { cursor: pointer; }
.segmented input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented label span {
  display: inline-block; padding: 0.35em 0.85em; border-radius: 999px; border: 1.5px solid var(--line-strong);
  background: var(--surface); font-size: 0.9rem; font-weight: 600;
}
.segmented input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.segmented input:focus-visible + span { outline: 3px solid var(--charmin); outline-offset: 2px; }

.field { display: grid; gap: 3px; min-width: 0; }
.field-label { font-size: 0.75rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
select, input[type="text"], input[type="number"] {
  font: inherit; color: var(--ink); width: 100%; min-width: 0;
  padding: 0.45em 0.6em; border: 1.5px solid var(--line-strong); border-radius: 10px; background: #fff;
}
select {
  appearance: none; padding-right: 2em;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
input:focus-visible, select:focus-visible { outline: 3px solid var(--charmin); outline-offset: 0; border-color: var(--charmin); }
input[aria-invalid="true"] { border-color: var(--lose); background: #FFF4F1; }

.tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.05em 0.5em; border-radius: 999px; vertical-align: 0.12em; white-space: nowrap;
}
.tag-derived { background: #E2F6EF; color: #17684F; }
.tag-estimated { background: #FFF0D6; color: #8A4B00; }

details.how { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 10px; font-size: 0.92rem; }
details.how summary { cursor: pointer; font-weight: 600; color: var(--muted); }
details.how summary:hover { color: var(--ink); }
details.how ul { margin: 10px 0 0; padding-left: 1.2em; max-width: 60em; }
details.how li { margin-bottom: 0.4em; }

/* ---------- Deal calculator ---------- */
.deal-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.toolbar .hint { flex-basis: 100%; }
.example-note { margin-bottom: 8px; }
.example-note[hidden] { display: none; }

.packs { display: grid; gap: 10px; }
.pack { background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.pack.is-winner { border-color: var(--sun); box-shadow: 0 0 0 2px var(--sun); background: #FFFCF0; }
.pack-main {
  display: grid; align-items: end; gap: 8px 10px;
  grid-template-columns: 30px minmax(0, 1fr) 76px 96px 150px 28px;
}
.pack-letter {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 4px;
  background: var(--ink); color: #fff; font-family: var(--font-fun);
}
.pack.is-winner .pack-letter { background: var(--sun); color: var(--ink); }
.price-wrap { position: relative; display: block; }
.price-wrap::before { content: "$"; position: absolute; left: 0.6em; top: 50%; transform: translateY(-50%); color: var(--muted); }
.price-wrap input { padding-left: 1.4em; }
.rolls-wrap { position: relative; display: block; }
.pack-score { text-align: right; padding-bottom: 2px; min-width: 0; }
.pack-score .score-value { display: block; font-family: var(--font-fun); font-size: 1.05rem; line-height: 1.2; white-space: nowrap; }
.pack-score .score-unit { display: block; font-size: 0.72rem; color: var(--muted); white-space: nowrap; }
.pack-score .score-vs { display: inline-block; font-size: 0.78rem; font-weight: 700; margin-top: 2px; }
.score-vs.win { color: var(--win); }
.score-vs.lose { color: var(--lose); }
.pack-remove {
  width: 28px; height: 28px; margin-bottom: 4px; border-radius: 50%; border: 1px solid var(--line-strong); background: #fff;
  color: var(--muted); cursor: pointer; font-size: 0.9rem; line-height: 1; padding: 0;
}
.pack-remove:hover { color: var(--lose); border-color: var(--lose); }
.pack-remove[disabled] { visibility: hidden; }
.pack-meta { margin: 6px 0 0 40px; font-size: 0.8rem; color: var(--muted); }
.pack-warning { margin: 6px 0 0 40px; font-size: 0.85rem; color: var(--lose); }
.pack-custom {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 10px 0 0 40px;
  background: var(--surface-2); border-radius: 10px; padding: 10px;
}
.pack-custom[hidden] { display: none; }
.pack-custom .hint { grid-column: 1 / -1; }

.pack-actions { display: flex; align-items: center; gap: 14px; margin-top: 12px; }

.result {
  position: sticky; top: 16px;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 16px 18px;
}
.result.has-winner { border-color: var(--sun); box-shadow: 0 0 0 2px var(--sun); background: linear-gradient(180deg, #FFF6D6, #FFFFFF 70%); }
.result-kicker { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 2px; }
.result-title { font-family: var(--font-fun); font-size: 1.7rem; line-height: 1.15; margin: 0 0 4px; }
.result-name { font-size: 0.92rem; margin: 0 0 10px; }
.result-margin { font-size: 1.05rem; margin: 0 0 10px; }
.result-margin strong { color: var(--win); }
.result-list { list-style: none; margin: 0 0 10px; padding: 10px 0 0; border-top: 1px solid var(--line); display: grid; gap: 4px; font-size: 0.88rem; }
.result-list li { display: flex; justify-content: space-between; gap: 10px; }
.result-list .vs { color: var(--lose); font-weight: 600; }
.result-list .best { color: var(--win); font-weight: 600; }
.result-alt { font-size: 0.85rem; color: var(--muted); margin: 0 0 6px; }
.result-quip { font-size: 0.85rem; color: var(--muted); font-style: italic; margin: 0; }
.result.waiting p { margin: 0; color: var(--muted); }

/* ---------- Converter ---------- */
.conv-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 20px; align-items: start; }
.conv-left .toolbar { display: grid; grid-template-columns: 1fr; gap: 10px; }

.roll-card { border-radius: var(--radius); padding: 12px 14px; border: 1.5px solid var(--line); background: var(--surface); }
.roll-card.charmin { border-left: 6px solid var(--charmin); }
.roll-card.qn { border-left: 6px solid var(--qn); }
.roll-card.angel { border-left: 6px solid var(--angel); }
.roll-card.kirkland { border-left: 6px solid var(--kirkland); }
.roll-card .brand-name-small { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; margin: 0; }
.roll-card.charmin .brand-name-small { color: var(--charmin); }
.roll-card.qn .brand-name-small { color: var(--qn-ink); }
.roll-card.angel .brand-name-small { color: var(--angel-ink); }
.roll-card.kirkland .brand-name-small { color: var(--kirkland-ink); }
.roll-card h2 { margin: 0 0 8px; font-size: 1.25rem; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin: 0 0 8px; }
.stat { background: var(--surface-2); border-radius: 8px; padding: 6px 8px; border: 1.5px solid transparent; }
.stat dt { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat dd { margin: 0; font-weight: 700; font-size: 1rem; }
.stat.highlight { background: var(--sun-soft); border-color: var(--sun); }
.roll-card .note { font-size: 0.88rem; margin: 0 0 2px; }
.roll-card .source { font-size: 0.78rem; color: var(--muted); margin: 0; }

.equals-hero { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 8px; margin-top: 12px; }
.eq-tile { border-radius: var(--radius); padding: 10px; text-align: center; }
.eq-tile.charmin { background: var(--charmin-soft); }
.eq-tile.qn { background: var(--qn-soft); }
.eq-tile.angel { background: var(--angel-soft); }
.eq-tile.kirkland { background: var(--kirkland-soft); }
.eq-num { font-family: var(--font-fun); font-size: 1.8rem; line-height: 1.1; display: block; }
.eq-tile.charmin .eq-num { color: var(--charmin); }
.eq-tile.qn .eq-num { color: var(--qn-ink); }
.eq-tile.angel .eq-num { color: var(--angel-ink); }
.eq-tile.kirkland .eq-num { color: var(--kirkland-ink); }
.eq-label { font-size: 0.82rem; }
.claim-check { margin: 10px 0 0; font-size: 0.88rem; color: var(--muted); }
.claim-check strong { color: var(--ink); }

.conv-right { padding: 14px 14px 10px; }
.chart-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 12px; }
.chart-head h2 { margin: 0; }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 0.78rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.swatch { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.swatch.charmin { background: var(--charmin); }
.swatch.qn { background: var(--qn); }
.swatch.angel { background: var(--angel); }
.swatch.kirkland { background: var(--kirkland); }
.swatch.regular { background: repeating-linear-gradient(45deg, var(--regular) 0 2px, #fff 2px 4px); border: 1px solid var(--regular); }

.chart-cols, .bar-row { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) 4.2em; gap: 10px; align-items: center; }
.chart-cols { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; padding: 10px 6px 4px; border-bottom: 1px solid var(--line); }
.chart-cols span:last-child { text-align: right; }
.chart { display: grid; margin: 2px 0 6px; }
.bar-row {
  width: 100%; font: inherit; color: inherit; text-align: left; cursor: pointer;
  background: transparent; border: 0; border-radius: 6px; padding: 3px 6px;
}
.bar-row:hover { background: var(--surface-2); }
.bar-row[aria-pressed="true"] { background: var(--sun-soft); }
.bar-label { font-size: 0.82rem; line-height: 1.2; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-label b { font-weight: 700; }
.bar-row.charmin .bar-label b { color: var(--charmin); }
.bar-row.qn .bar-label b { color: var(--qn-ink); }
.bar-row.angel .bar-label b { color: var(--angel-ink); }
.bar-row.kirkland .bar-label b { color: var(--kirkland-ink); }
.bar-track { display: flex; align-items: center; gap: 6px; min-width: 0; }
.bar { height: 12px; border-radius: 0 4px 4px 0; min-width: 3px; flex: none; }
.bar-row.charmin .bar { background: var(--charmin); }
.bar-row.qn .bar { background: var(--qn); }
.bar-row.angel .bar { background: var(--angel); }
.bar-row.kirkland .bar { background: var(--kirkland); }
.bar-row.regular .bar { background: repeating-linear-gradient(45deg, var(--regular) 0 3px, #F3EBE1 3px 6px); }
.bar-row[aria-pressed="true"] .bar { box-shadow: 0 0 0 2px var(--ink); }
.bar-value { font-size: 0.78rem; color: var(--muted); white-space: nowrap; }
.bar-ratio { font-weight: 700; font-size: 0.9rem; text-align: right; }

/* ---------- About ---------- */
.page-about .about-section { max-width: 1000px; }
.nowrap { white-space: nowrap; }
.about-section { margin-top: 22px; }
.about-section > p { max-width: 50em; }
.why-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 12px; }
.why-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.why-card h3 { margin: 0 0 0.4em; }
.why-card p { margin: 0; }
.why-cta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; }

.table-scroll { overflow-x: auto; margin-top: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.sources { width: 100%; border-collapse: collapse; font-size: 0.84rem; min-width: 860px; }
.sources th, .sources td { padding: 7px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.sources th { background: var(--surface-2); font-weight: 600; }
.sources tr:last-child td { border-bottom: 0; }
.sources td.num { white-space: nowrap; }
.sources .brand-cell { font-weight: 700; }
.sources tr.charmin .brand-cell { color: var(--charmin); }
.sources tr.qn .brand-cell { color: var(--qn-ink); }
.sources tr.angel .brand-cell { color: var(--angel-ink); }
.sources tr.kirkland .brand-cell { color: var(--kirkland-ink); }
.sources tr.group td { background: var(--bg); font-weight: 700; }
.disclaimer { margin-top: 14px; font-size: 0.88rem; color: var(--muted); }

/* ---------- Guides, FAQ, data ---------- */
.crumbs { font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.crumbs li + li::before { content: "›"; margin-right: 4px; }
.crumbs a { color: var(--muted); }
.prose { max-width: 46em; }
.prose h2 { margin-top: 1.2em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: 0.3em; }
.answer { font-size: 1.05rem; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--sun); border-radius: var(--radius); padding: 12px 16px; }
.faq { max-width: 46em; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-of-type { border-top: 1px solid var(--line); }
.faq-item summary { cursor: pointer; padding: 14px 2px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; flex: none; font-size: 1.2em; line-height: 1; color: var(--muted); transition: transform 0.15s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--qn-ink); }
.faq-item[open] summary { padding-bottom: 6px; }
.faq-answer { padding: 0 2px 14px; }
.faq-answer p { margin: 0; }
.code-block { overflow-x: auto; max-height: 24em; margin: 8px 0 0; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); font-size: 0.8rem; line-height: 1.45; }
.code-block code { background: none; border: 0; padding: 0; word-break: normal; font-size: inherit; }
.facts { min-width: 640px; }
.facts td.num, .facts th.num { text-align: right; }
code { font-size: 0.85em; background: var(--surface-2); border: 1px solid var(--line); border-radius: 4px; padding: 0.05em 0.35em; word-break: break-all; }
.copy-status { font-size: 0.85rem; color: var(--win); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 14px 0 18px; font-size: 0.82rem; color: var(--muted); background: rgba(255, 248, 236, 0.9); }
.footer-line { margin: 0; }
.footer-line a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 3px; white-space: nowrap; }
.footer-line a:hover { color: var(--ink); text-decoration-color: currentColor; }
.lost-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 16px; margin: 16px 0 0; padding: 0; list-style: none; font-size: 0.9rem; }
.lost-links a { display: inline-block; padding: 6px 0; }

/* ---------- 404 ---------- */
.lost { text-align: center; padding: 48px 0; }
.lost h1 { font-size: 1.8rem; }

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .sky { display: none; }
  .tail-reveal { stroke-dashoffset: 0; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .deal-layout { grid-template-columns: minmax(0, 1fr) 290px; }
  .pack-main { grid-template-columns: 30px minmax(0, 1fr) 64px 88px 28px; }
  .pack-score { grid-column: 2 / -1; text-align: left; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
  .pack-score .score-value, .pack-score .score-unit { display: inline; }
  .pack-remove { grid-column: 5; grid-row: 1; }
}

@media (max-width: 820px) {
  .deal-layout, .conv-layout { grid-template-columns: minmax(0, 1fr); }
  .result { position: static; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 24px); }
  .header-inner { padding: 6px 0 8px; gap: 6px 10px; }
  .mascot { width: 40px; height: 44px; }
  .brand-name { font-size: 1.1rem; }
  .brand-tag { display: none; }
  .site-nav { width: 100%; }
  .nav-tabs { flex: 1; justify-content: space-between; padding: 3px; }
  .nav-tabs a { flex: 1 1 auto; text-align: center; padding: 0.35em 0.4em; font-size: 0.85rem; }
  main.page { padding: 12px 0 20px; }
  .page-head { margin-bottom: 10px; }
  h1 { font-size: 1.35rem; }
  .lede { font-size: 0.9rem; }
  .toolbar { margin-bottom: 8px; }
  .toolbar .hint { display: none; }
  .example-note { font-size: 0.8rem; }
  .segmented label span { padding: 0.3em 0.75em; font-size: 0.85rem; }
  .toolbar-priority .seg-label { flex-basis: 100%; }
  .soft-sheet { grid-template-columns: 4.6rem minmax(0, 1fr); padding: 12px 12px 12px 18px; gap: 6px 10px; }
  .soft-num { font-size: 1.6rem; }
  .soft-scale::before { margin-inline: -6px; }

  .pack { padding: 8px 10px; }
  .pack-main { grid-template-columns: 26px minmax(0, 1fr) minmax(0, 1fr) 26px; gap: 6px 8px; }
  .pack-letter { width: 26px; height: 26px; font-size: 0.9rem; margin-bottom: 0; align-self: center; }
  .pack-main .product-field { grid-column: 2 / 4; }
  .pack-main .product-field .field-label { display: none; }
  .pack-remove { width: 26px; height: 26px; margin: 0; align-self: center; grid-column: 4; grid-row: 1; }
  .pack-main .rolls-field { grid-column: 1 / 3; }
  .pack-main .price-field { grid-column: 3 / 5; }
  .pack-score { grid-column: 1 / -1; }
  .rolls-field .field-label, .price-field .field-label {
    position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
  }
  .rolls-wrap::after { content: "rolls"; position: absolute; right: 0.7em; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
  .rolls-wrap input { padding-right: 3.2em; }
  .pack-meta { margin-top: 2px; }
  .result-quip { display: none; }
  .result-name { margin-bottom: 6px; }
  .result-margin { margin-bottom: 6px; }
  .pack-meta, .pack-warning { margin-left: 0; }
  .pack-custom { margin-left: 0; grid-template-columns: 1fr 1fr; }

  .result { padding: 12px 14px; }
  .result-title { font-size: 1.4rem; }

  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat dd { font-size: 0.92rem; }
  .eq-num { font-size: 1.5rem; }
  .chart-cols, .bar-row { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) 3.6em; gap: 6px; }
  .depth-near .drifter-scale { transform: scale(0.8); }
  .depth-far .drifter-scale { transform: scale(0.5); }
}

/* Four tabs on one row down to 320px: short labels on phones and tablets, where the full ones don't fit. */
@media (max-width: 1023px) {
  .nav-long { display: none; }
  .nav-short { display: inline; }
}
/* Small tablets: the brand and the tabs don't fit side by side, so stack them like on phones. */
@media (min-width: 641px) and (max-width: 699px) {
  .site-nav { width: 100%; }
  .nav-tabs { flex: 1; justify-content: space-between; }
  .nav-tabs a { flex: 1 1 auto; text-align: center; }
}
/* The footer stays one line down to 320px. */
@media (max-width: 374px) {
  .site-footer { font-size: 0.7rem; }
}