/* Packing Desk — design system. System fonts only; no third-party requests. */
:root {
  --bg: #faf8f4; --surface: #ffffff; --surface-2: #f3f0ea; --surface-3: #ece8e0;
  --border: #e3ded4; --border-strong: #cfc8bb;
  --text: #1f2326; --text-2: #454c52; --text-3: #5b636a;
  --accent: #0f6e68; --accent-strong: #0a5550; --accent-soft: #e2f0ee; --accent-line: #b7dcd7;
  --cta: #f5a524; --cta-hover: #e4930d; --cta-text: #1b1405; --cta-ring: #1f2326;
  --ok: #1d6f36; --ok-bg: #e5f3e8; --warn: #7a5100; --warn-bg: #fbf0d6; --no: #a3261d; --no-bg: #fbe8e5; --unk: #454c52; --unk-bg: #ebe8e2;
  --shadow: 0 1px 2px rgba(31,35,38,.06), 0 4px 14px rgba(31,35,38,.05);
  --radius: 12px; --radius-sm: 8px;
  --wrap: 1180px; --measure: 70ch;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131517; --surface: #1b1e21; --surface-2: #22262a; --surface-3: #2a2f34;
    --border: #30353a; --border-strong: #454c52;
    --text: #ecebe7; --text-2: #c5c9cc; --text-3: #a7adb2;
    --accent: #5fc9be; --accent-strong: #86dcd2; --accent-soft: #15302e; --accent-line: #245450;
    --cta: #f7b13a; --cta-hover: #ffc257; --cta-text: #15100a; --cta-ring: #ecebe7;
    --ok: #8fd9a2; --ok-bg: #163021; --warn: #f1c86f; --warn-bg: #332812; --no: #f39a90; --no-bg: #3a1d1a; --unk: #c5c9cc; --unk-bg: #2a2e32;
    --shadow: 0 1px 2px rgba(0,0,0,.35), 0 6px 18px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #131517; --surface: #1b1e21; --surface-2: #22262a; --surface-3: #2a2f34;
  --border: #30353a; --border-strong: #454c52;
  --text: #ecebe7; --text-2: #c5c9cc; --text-3: #a7adb2;
  --accent: #5fc9be; --accent-strong: #86dcd2; --accent-soft: #15302e; --accent-line: #245450;
  --cta: #f7b13a; --cta-hover: #ffc257; --cta-text: #15100a; --cta-ring: #ecebe7;
  --ok: #8fd9a2; --ok-bg: #163021; --warn: #f1c86f; --warn-bg: #332812; --no: #f39a90; --no-bg: #3a1d1a; --unk: #c5c9cc; --unk-bg: #2a2e32;
  --shadow: 0 1px 2px rgba(0,0,0,.35), 0 6px 18px rgba(0,0,0,.25);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1.0625rem/1.62 var(--font); overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-strong); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.012em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(1.8rem, 1.25rem + 2.1vw, 2.55rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.35rem, 1.1rem + .9vw, 1.7rem); margin-top: 1.9em; }
h3 { font-size: 1.15rem; margin-top: 1.5em; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25em; margin: 0 0 1em; }
li { margin: .25em 0; }
code { font-family: var(--mono); font-size: .9em; background: var(--surface-2); padding: .1em .35em; border-radius: 4px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
.sr-only { 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; background: var(--surface); color: var(--text); padding: 10px 14px; border-radius: 8px; z-index: 100; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 700px) { .wrap { padding: 0 24px; } }
.muted { color: var(--text-3); }
.small { font-size: .9rem; }
.icon { width: 1.15em; height: 1.15em; flex: none; vertical-align: -.2em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------------- header / nav */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: relative; z-index: 20; }
.header-inner { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 750; font-size: 1.12rem; letter-spacing: -.01em; white-space: nowrap; }
.brand:hover { color: var(--text); }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; }
:root[data-theme="dark"] .brand-mark { color: #0d1f1d; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .brand-mark { color: #0d1f1d; } }
.brand-mark svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.primary-nav { margin-left: auto; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 2px; }
.nav-list > li { margin: 0; position: relative; }
.nav-link, .nav-cats > summary { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; padding: 0 12px; border-radius: 8px; color: var(--text); text-decoration: none; font-weight: 550; font-size: .98rem; cursor: pointer; white-space: nowrap; }
.nav-link:hover, .nav-cats > summary:hover { background: var(--surface-2); color: var(--text); }
.nav-link[aria-current="page"], .nav-link.is-section { color: var(--accent); }
.nav-cats > summary { list-style: none; }
.nav-cats > summary::-webkit-details-marker { display: none; }
.nav-cats > summary .chev { transition: transform .15s; }
.nav-cats[open] > summary .chev { transform: rotate(180deg); }
.cats-menu { list-style: none; margin: 0; padding: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 280px; }
.cats-menu a { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 8px; color: var(--text); text-decoration: none; }
.cats-menu a:hover { background: var(--surface-2); }
.cats-menu .icon { color: var(--accent); margin-top: 3px; }
.cats-menu strong { display: block; font-weight: 650; }
.cats-menu span { display: block; font-size: .85rem; color: var(--text-3); line-height: 1.35; }
.header-tools { display: flex; align-items: center; gap: 4px; margin-left: 4px; }
.icon-btn { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; border: 1px solid transparent; background: transparent; color: var(--text); cursor: pointer; text-decoration: none; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn .icon { width: 20px; height: 20px; }
.menu-toggle { display: none; }
.theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .theme-toggle .i-sun { display: block; } :root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; } }

@media (min-width: 981px) {
  .nav-cats .cats-menu { position: absolute; top: calc(100% + 6px); left: 0; }
}
@media (max-width: 980px) {
  .js .menu-toggle { display: inline-grid; }
  .header-inner { flex-wrap: wrap; }
  .primary-nav { order: 3; width: 100%; margin: 0; }
  .js .primary-nav { display: none; }
  .js .primary-nav.is-open { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; padding: 4px 0 12px; }
  .nav-link, .nav-cats > summary { width: 100%; justify-content: space-between; }
  .cats-menu { box-shadow: none; border: 0; padding: 0 0 0 8px; min-width: 0; }
  .header-tools { margin-left: auto; }
}

/* ---------------- layout pieces */
main { display: block; }
.page { padding-top: 28px; padding-bottom: 56px; }
.page-narrow { max-width: 780px; }
.breadcrumbs { font-size: .9rem; color: var(--text-3); margin: 0 0 14px; }
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 6px; }
.breadcrumbs li { margin: 0; display: inline-flex; align-items: center; gap: 6px; }
.breadcrumbs li + li::before { content: "/"; color: var(--border-strong); }
.breadcrumbs a { color: var(--text-3); }
.lede { font-size: 1.14rem; color: var(--text-2); max-width: var(--measure); }
.prose { max-width: var(--measure); }
.prose h2:first-child { margin-top: 0; }
.prose img { height: auto; }
.section { margin-top: 44px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.section-head h2 { margin: 0; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.grid { display: grid; gap: 16px; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ---------------- disclosure + notes */
.disclosure { display: flex; gap: 8px; align-items: flex-start; font-size: .9rem; line-height: 1.45; color: var(--text-2); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; margin: 0 0 18px; max-width: var(--measure); width: fit-content; }
.disclosure .icon { color: var(--text-3); margin-top: 3px; }
.disclosure p { margin: 0; }
.byline { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: .92rem; color: var(--text-3); margin: 6px 0 16px; }
.research-note { display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); }
.research-note a { color: var(--text-2); }
.callout { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 12px 16px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 0 0 1.2em; }
.callout p { margin: 0; }
.caveat { display: flex; gap: 8px; align-items: flex-start; font-size: .94rem; color: var(--text-2); margin: 0 0 14px; }
.caveat .icon { color: var(--warn); margin-top: 3px; }
.caveat strong { color: var(--text); }

/* ---------------- buttons */
.btn-amazon { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; min-width: 44px; padding: 10px 20px; border-radius: 10px; background: var(--cta); color: var(--cta-text); font-weight: 700; font-size: 1rem; line-height: 1.2; text-decoration: none; border: 1px solid rgba(0,0,0,.08); box-shadow: 0 1px 0 rgba(0,0,0,.08); transition: background-color .15s, transform .05s; text-align: center; }
.btn-amazon:hover { background: var(--cta-hover); color: var(--cta-text); text-decoration: none; }
.btn-amazon:active { transform: translateY(1px); }
.btn-amazon:focus-visible { outline: 3px solid var(--cta-ring); outline-offset: 3px; }
.btn-amazon .icon { width: 16px; height: 16px; stroke-width: 2.2; }
.btn-amazon .variant { font-weight: 550; opacity: .9; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: center; }
.btn-ghost { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 4px; color: var(--accent); font-weight: 600; text-decoration: none; }
.btn-ghost:hover { text-decoration: underline; }
.btn-plain { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 8px 16px; border-radius: 10px; background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-plain:hover { background: var(--surface-2); color: var(--text); }
.btn-plain[aria-pressed="true"], .btn-plain.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
:root[data-theme="dark"] .btn-plain[aria-pressed="true"], :root[data-theme="dark"] .btn-plain.is-active { color: #0d1f1d; }
.new-tab-note { font-size: .82rem; color: var(--text-3); }

/* ---------------- cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent-strong); background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: 999px; padding: 3px 10px; }
.tier { display: inline-block; white-space: nowrap; flex: none; font-size: .8rem; font-weight: 650; color: var(--text-2); border: 1px solid var(--border-strong); border-radius: 999px; padding: 2px 10px; }
.pick-card { display: flex; flex-direction: column; gap: 8px; padding: 18px; }
.pick-card .why { font-size: .98rem; line-height: 1.5; }
.pick-card .caveat { font-size: .9rem; margin-bottom: 4px; }
.pick-card .tier-text { font-size: .82rem; font-weight: 650; color: var(--text-3); }
.pick-card .pick-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.pick-card h3 { font-size: 1.15rem; margin: 2px 0 0; }
.pick-card h3 a { color: var(--text); text-decoration: none; }
.pick-card h3 a:hover { color: var(--accent); text-decoration: underline; }
.pick-card .use { font-size: .92rem; color: var(--text-3); margin: 0; }
.pick-card .why { margin: 0; color: var(--text-2); }
.pick-card .actions { margin-top: auto; display: flex; flex-direction: column; gap: 4px; align-items: stretch; }
.pick-card .actions .btn-amazon { width: 100%; }
.pick-card .actions .btn-ghost { align-self: flex-start; }
.product-card { display: grid; gap: 10px; }
.product-card .pc-head { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.product-card h3 { font-size: 1.12rem; margin: 0; }
.product-card h3 a { color: var(--text); text-decoration: none; }
.product-card h3 a:hover { color: var(--accent); text-decoration: underline; }
.product-card .facts { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.product-card .facts li { margin: 0; font-size: .82rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; color: var(--text-2); }
.product-card .actions { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.rank { font-variant-numeric: tabular-nums; font-weight: 750; color: var(--accent); font-size: .95rem; }
.cat-card { display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--text); }
.cat-card:hover { border-color: var(--accent-line); }
.cat-card .cat-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.cat-card .cat-icon .icon { width: 22px; height: 22px; }
.cat-card h3 { margin: 4px 0 0; font-size: 1.08rem; }
.cat-card h3 a { color: var(--text); text-decoration: none; }
.cat-card h3 a::after { content: ""; position: absolute; inset: 0; }
.cat-card { position: relative; }
.cat-card p { margin: 0; font-size: .92rem; color: var(--text-2); }
.cat-card .top { font-size: .9rem; color: var(--text-3); }
.cat-card .top strong { color: var(--text); font-weight: 650; }
.route { display: flex; gap: 12px; align-items: center; padding: 14px 16px; text-decoration: none; color: var(--text); position: relative; }
.route .icon { color: var(--accent); width: 22px; height: 22px; }
.route strong { display: block; font-weight: 650; }
.route span { display: block; font-size: .88rem; color: var(--text-3); }
.route:hover { border-color: var(--accent-line); color: var(--text); }
.route .arrow { margin-left: auto; color: var(--text-3); }

/* ---------------- home */
.home-hero { padding: 26px 0 4px; }
.home-hero h1 { font-size: clamp(1.55rem, 1.1rem + 1.5vw, 2.2rem); max-width: 32ch; margin-bottom: 8px; }
.home-hero .lede { font-size: 1.05rem; margin-bottom: 12px; }
.home-hero .disclosure { margin-bottom: 8px; }
.home-picks { margin-top: 8px; }
.method-strip { display: grid; gap: 14px; padding: 20px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); }
@media (min-width: 800px) { .method-strip { grid-template-columns: repeat(4, 1fr); } }
.method-strip div { display: flex; gap: 10px; align-items: flex-start; font-size: .93rem; color: var(--text-2); }
.method-strip .icon { color: var(--accent); margin-top: 3px; }
.method-strip strong { color: var(--text); display: block; }

/* ---------------- tabs */
.tabs { display: flex; gap: 8px; margin: 0 0 14px; flex-wrap: wrap; }
.tabs [role="tab"] { min-height: 44px; }
.tab-panel[hidden] { display: none; }

/* ---------------- status badges */
.status { display: inline-flex; align-items: center; gap: 5px; font-size: .82rem; font-weight: 650; border-radius: 6px; padding: 2px 8px; white-space: nowrap; }
.status .icon { width: 14px; height: 14px; stroke-width: 2.4; }
.status-confirmed { color: var(--ok); background: var(--ok-bg); }
.status-conditional { color: var(--warn); background: var(--warn-bg); }
.status-not-supported { color: var(--no); background: var(--no-bg); }
.status-unknown { color: var(--unk); background: var(--unk-bg); }
.status-note { display: block; font-size: .85rem; color: var(--text-3); margin-top: 4px; line-height: 1.4; }

/* ---------------- tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin: 0 0 1.4em; -webkit-overflow-scrolling: touch; }
.table-wrap:focus-visible { outline-offset: 2px; }
.data-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.data-table th, .data-table td { text-align: left; vertical-align: top; padding: 11px 14px; border-bottom: 1px solid var(--border); }
.data-table tr:last-child > * { border-bottom: 0; }
.data-table thead th { background: var(--surface-2); font-size: .85rem; letter-spacing: .02em; color: var(--text-2); font-weight: 700; }
.data-table tbody th { font-weight: 600; color: var(--text); background: var(--surface); width: 34%; }
.spec-table tbody th { width: 38%; }
.unknown-val { color: var(--text-3); font-style: italic; }

/* compare table */
.compare-wrap { position: relative; }
.compare-table { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 640px; font-size: .94rem; }
.compare-table th, .compare-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; text-align: left; background: var(--surface); }
.compare-table thead th { vertical-align: top; background: var(--surface); border-bottom: 2px solid var(--border-strong); }
.compare-table .row-label { position: sticky; left: 0; z-index: 2; background: var(--surface-2); font-weight: 650; color: var(--text); width: 170px; min-width: 150px; font-size: .9rem; }
.compare-table thead .row-label { z-index: 3; }
.compare-table .col-head { min-width: 200px; }
.compare-table .col-head .ch-name { font-size: 1.02rem; font-weight: 700; margin: 4px 0 6px; display: block; color: var(--text); }
.compare-table .col-head .ch-name a { color: var(--text); }
.compare-table .col-head .ch-use { font-size: .86rem; color: var(--text-3); font-weight: 400; margin: 0 0 8px; }
.compare-table .col-head .ch-caveat { font-size: .84rem; color: var(--text-2); font-weight: 400; margin: 0 0 10px; }
.compare-table .col-head .btn-amazon { width: 100%; font-size: .95rem; padding: 10px 12px; }
.compare-table .col-head .ch-links { display: flex; gap: 10px; align-items: center; margin-top: 6px; font-weight: 400; }
.compare-table tr.is-diff td { background: var(--accent-soft); }
.compare-table tr.is-diff .row-label::after { content: "Differs"; display: block; font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--accent-strong); margin-top: 2px; }
.compare-table .remove-btn { font-size: .85rem; min-height: 36px; padding: 4px 10px; }
.scroll-hint { font-size: .85rem; color: var(--text-3); margin: 0 0 8px; }
@media (min-width: 900px) { .scroll-hint { display: none; } }

/* ---------------- review page */
.review-head { display: grid; gap: 22px; }
@media (min-width: 980px) { .review-head { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; } }
.verdict-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.verdict-box h2 { font-size: 1.15rem; margin: 0 0 8px; }
.verdict-box .tier { margin-bottom: 10px; }
.verdict-box .btn-amazon { width: 100%; }
.verdict-box .asin-note { font-size: .82rem; color: var(--text-3); margin: 8px 0 0; }
.fit-list { display: grid; gap: 14px; }
@media (min-width: 700px) { .fit-list { grid-template-columns: 1fr 1fr; } }
.fit-list > div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.fit-list h3 { margin: 0 0 8px; font-size: 1rem; display: flex; gap: 8px; align-items: center; }
.fit-list .buy h3 .icon { color: var(--ok); }
.fit-list .skip h3 .icon { color: var(--no); }
.fit-list ul { margin: 0; }
.proscons { display: grid; gap: 14px; }
@media (min-width: 700px) { .proscons { grid-template-columns: 1fr 1fr; } }
.proscons ul { list-style: none; padding: 0; margin: 0; }
.proscons li { display: flex; gap: 8px; align-items: flex-start; }
.proscons li .icon { margin-top: 4px; }
.proscons .pros .icon { color: var(--ok); }
.proscons .cons .icon { color: var(--no); }
.toc { font-size: .92rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 16px; margin: 0 0 24px; max-width: var(--measure); }
.toc strong { display: block; margin-bottom: 4px; }
.toc ol { margin: 0; padding-left: 1.2em; columns: 2 220px; }
.toc li { margin: .15em 0; }
.alt-list { display: grid; gap: 12px; }
.final-box { background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: var(--radius); padding: 20px; margin-top: 28px; max-width: var(--measure); }
.final-box h2 { margin-top: 0; font-size: 1.25rem; }
.source-list { font-size: .9rem; color: var(--text-2); }
.source-list li { margin: .35em 0; }
.faq dt { font-weight: 650; margin-top: 1em; }
.faq dd { margin: .3em 0 0; color: var(--text-2); }
.figure { margin: 0 0 1.4em; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.figure svg { display: block; width: 100%; height: auto; }
.figure figcaption { font-size: .86rem; color: var(--text-3); margin-top: 8px; }
.figure svg text { fill: var(--text-2); font-family: var(--font); }
.figure svg .fg { stroke: var(--text-2); }
.figure svg .acc { stroke: var(--accent); }
.figure svg .accf { fill: var(--accent-soft); stroke: var(--accent); }
.figure svg .muted-fill { fill: var(--surface-2); stroke: var(--border-strong); }

/* sticky purchase bar */
.buybar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--surface); border-top: 1px solid var(--border-strong); box-shadow: 0 -6px 18px rgba(0,0,0,.08); padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); display: none; }
.buybar.is-visible { display: block; }
.buybar-inner { display: flex; align-items: center; gap: 10px; max-width: 640px; margin: 0 auto; }
.buybar-name { flex: 1; min-width: 0; font-weight: 650; font-size: .95rem; line-height: 1.25; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.buybar .btn-amazon { min-height: 46px; padding: 8px 14px; font-size: .95rem; white-space: nowrap; }
.buybar-close { flex: none; }
body.has-buybar { padding-bottom: 84px; }
@media (min-width: 900px) { .buybar { display: none !important; } body.has-buybar { padding-bottom: 0; } }

/* ---------------- forms / tools */
.tool { display: grid; gap: 20px; }
@media (min-width: 980px) { .tool-2col { grid-template-columns: 330px minmax(0, 1fr); align-items: start; } }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px 16px; margin: 0 0 14px; background: var(--surface); }
legend { font-weight: 700; padding: 0 6px; }
.opt { display: flex; gap: 10px; align-items: center; min-height: 40px; padding: 4px 6px; border-radius: 8px; cursor: pointer; }
.opt:hover { background: var(--surface-2); }
.opt input { width: 20px; height: 20px; accent-color: var(--accent); flex: none; margin: 0; }
.field-hint { font-size: .85rem; color: var(--text-3); margin: 2px 0 6px; }
.result-list { display: grid; gap: 12px; }
.match-why { font-size: .9rem; color: var(--text-2); margin: 6px 0 0; padding-left: 1.1em; }
.empty-state { border: 1px dashed var(--border-strong); border-radius: var(--radius); padding: 18px; background: var(--surface); }
.empty-state h3 { margin-top: 0; }
.selector-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 14px; }
select, input[type="search"], input[type="text"] { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border-strong); border-radius: 10px; min-height: 44px; padding: 8px 12px; max-width: 100%; }
.search-box { display: flex; gap: 8px; max-width: 640px; }
.search-box input { flex: 1; }
.pick-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); margin: 0 0 12px; }
.pick-grid label { display: flex; gap: 10px; align-items: center; border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; background: var(--surface); cursor: pointer; min-height: 44px; font-size: .94rem; }
.pick-grid input { width: 20px; height: 20px; accent-color: var(--accent); flex: none; }
.pick-grid label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.pick-grid label:has(input:disabled) { opacity: .55; cursor: not-allowed; }
.live { min-height: 1.4em; font-size: .92rem; color: var(--text-2); }
.noscript-note { font-size: .92rem; color: var(--text-2); }

/* ---------------- footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); margin-top: 40px; padding: 28px 0 32px; font-size: .92rem; color: var(--text-2); }
.footer-grid { display: grid; gap: 22px; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.site-footer h2 { font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); margin: 0 0 8px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0; }
.site-footer a { color: var(--text-2); display: inline-block; padding: 5px 0; }
.site-footer .fine { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); font-size: .85rem; color: var(--text-3); }

@media print { .site-header, .site-footer, .buybar, .btn-amazon { display: none !important; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ---------------- utilities (no inline styles: CSP style-src 'self') */
.m-0 { margin: 0; } .mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; } .mt-xs { margin-top: .35em; } .mt-s { margin-top: 12px; } .mt-l { margin-top: 28px; }
.mb-xs { margin-bottom: 6px; } .mb-s { margin-bottom: 8px; }
.card-tight { padding: 14px 16px; }
.h-alt { margin: 0 0 4px; font-size: 1.02rem; }
.h-result { margin: 4px 0 6px; font-size: 1.08rem; }
.opt-inline { display: inline-flex; }
.plain-list { list-style: none; padding: 0; }
.plain-list li { margin: .5em 0; }
@media (max-width: 699px) { .hide-sm { display: none; } }

.picker > summary { cursor: pointer; font-weight: 700; min-height: 44px; display: flex; align-items: center; gap: 8px; list-style: none; }
.picker > summary::-webkit-details-marker { display: none; }
.picker > summary .chev { transition: transform .15s; }
.picker[open] > summary .chev { transform: rotate(180deg); }
.jump-results { margin: 0 0 12px; font-weight: 600; }
@media (min-width: 980px) { .jump-results { display: none; } }
/* overflow guards for narrow screens */
.grid > *, .tool > *, .review-head > * { min-width: 0; }
fieldset { min-width: 0; }
.product-card .pc-head { flex-wrap: wrap; }
.product-card .pc-head > div { min-width: 0; flex: 1 1 220px; }
.product-card h3, .pick-card h3, .ch-name { overflow-wrap: anywhere; }
button.btn-ghost { background: none; border: 0; font: inherit; font-weight: 600; color: var(--accent); cursor: pointer; text-align: left; padding: 8px 0; }
.buybar-name { min-width: 88px; font-size: .9rem; }
.buybar .btn-amazon { padding: 8px 12px; font-size: .92rem; gap: 6px; }
@media (max-width: 380px) { .buybar .btn-amazon .icon { display: none; } }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-plain[aria-pressed="true"], :root:not([data-theme="light"]) .btn-plain.is-active { color: #0d1f1d; } }

/* JS-only UI: shown from first paint when JS is enabled (html.js set in <head>), so nothing shifts */
.js-only, .js-only-inline { display: none; }
.js .js-only { display: block; }
.js .js-only-inline { display: inline-flex; }
.js .search-box.js-only { display: flex; }
.picker > summary { border: 1px solid var(--border-strong); border-radius: 10px; padding: 8px 14px; background: var(--surface); width: fit-content; }
.picker[open] > summary { margin-bottom: 10px; }
.compare-table .col-head .ch-links { min-height: 36px; }