/* proof tab: everything scoped under .tab-proof, colours come from the shell tokens */

.tab-proof [hidden] { display: none !important; }
.tab-proof .pf-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- intro + run button ---------- */
.tab-proof .pf-intro { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 16px; }
.tab-proof .pf-intro h1 { margin: 0; }
.tab-proof .pf-lede { margin: 4px 0 0; max-width: 46ch; }
.tab-proof .pf-run { box-shadow: 0 10px 22px -10px var(--accent); }

/* ---------- demo stage caption ---------- */
.tab-proof .pf-stage {
  position: sticky;
  top: 8px;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--lav);
  color: var(--lav-ink);
  border: 1px solid color-mix(in srgb, var(--lav-ink) 25%, transparent);
  border-radius: 16px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
}
@media (min-width: 760px) { .tab-proof .pf-stage { top: 66px; } }
.tab-proof .pf-cap { margin: 0; font-weight: 650; font-size: .92rem; line-height: 1.4; }
.tab-proof .pf-dots { display: inline-flex; gap: 5px; flex: none; }
.tab-proof .pf-dots i { width: 8px; height: 8px; border-radius: 99px; background: color-mix(in srgb, var(--lav-ink) 28%, transparent); transition: width .3s var(--spring), background .2s; }
.tab-proof .pf-dots i.now { width: 22px; background: var(--lav-ink); }
.tab-proof .pf-dots i.done { background: var(--lav-ink); }

/* ---------- check card ---------- */
.tab-proof .pf-check { display: grid; gap: 12px; }
.tab-proof .pf-inputrow { display: flex; gap: 8px; }
.tab-proof .pf-inputrow .input { flex: 1; min-width: 0; }
.tab-proof .pf-inputrow .btn { flex: none; }
.tab-proof .pf-msg { margin: 6px 2px 0; color: var(--sig-some); font-weight: 600; min-height: 0; }
.tab-proof .pf-msg:empty { display: none; }
.tab-proof .pf-samples .chip { font-size: .85rem; padding: 6px 12px; text-align: left; }
.tab-proof .pf-samples .chip.pf-demo { border-style: dashed; }
.tab-proof .pf-samples .chip.pf-demo::before { content: "🛒"; }

/* ---------- Your skin ---------- */
.tab-proof .pf-skin { padding: 0; overflow: hidden; }
.tab-proof .pf-skin > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 10px;
  padding: 14px 18px;
  font-weight: 750;
}
.tab-proof .pf-skin > summary::-webkit-details-marker { display: none; }
.tab-proof .pf-skin > summary::after { content: "▾"; margin-left: auto; color: var(--mute); transition: transform .25s var(--spring); }
.tab-proof .pf-skin:not([open]) > summary::after { transform: rotate(-90deg); }
.tab-proof .pf-skin > summary:focus-visible { outline-offset: -3px; }
.tab-proof .pf-skin-sum { font-weight: 500; font-size: .85rem; color: var(--mute); text-transform: capitalize; }
.tab-proof .pf-skin-body { padding: 0 18px 18px; }
.tab-proof .pf-skin-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); }
.tab-proof .pf-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: start;
  background: none;
  border: 0;
  padding: 4px 0;
  cursor: pointer;
  font-weight: 650;
  font-size: .9rem;
}
.tab-proof .pf-knob { position: relative; width: 42px; height: 24px; border-radius: 99px; background: var(--line); transition: background .2s; flex: none; }
.tab-proof .pf-knob::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--card); box-shadow: 0 1px 3px rgba(0, 0, 0, .3); transition: transform .3s var(--spring); }
.tab-proof .pf-switch[aria-checked="true"] .pf-knob { background: var(--accent-bg); }
.tab-proof .pf-switch[aria-checked="true"] .pf-knob::after { transform: translateX(18px); }

/* ---------- empty state ---------- */
.tab-proof .pf-empty { text-align: center; display: grid; justify-items: center; gap: 6px; padding: 32px 18px; background: radial-gradient(120% 90% at 50% 0%, var(--soft), var(--card) 70%); }
.tab-proof .pf-empty-t { margin: 0; font-size: 1.15rem; font-weight: 800; letter-spacing: -.01em; }
.tab-proof .pf-empty p { margin: 0; max-width: 36ch; }
.tab-proof .pf-empty .btn { margin-top: 8px; }

/* ---------- verdict card ---------- */
@keyframes pf-rise { from { opacity: 0; transform: translateY(12px); } }

.tab-proof .pf-verdict {
  --lvl: var(--line);
  padding: 0;
  overflow: hidden;
  border-top: 4px solid var(--lvl);
}
.tab-proof .pf-verdict.lvl-few { --lvl: var(--sig-few); }
.tab-proof .pf-verdict.lvl-some { --lvl: var(--sig-some); }
.tab-proof .pf-verdict.lvl-many { --lvl: var(--sig-many); }
.tab-proof .pf-vhead {
  padding: 18px 18px 4px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--lvl) 9%, var(--card)), var(--card));
}
.tab-proof .pf-vhead h2 { margin: 0 0 2px; font-size: 1.3rem; }
.tab-proof .pf-vhead p { margin: 0; }
.tab-proof .pf-offline { margin: 8px 18px 0; padding: 6px 12px; border-radius: 10px; background: var(--amber-1); color: var(--amber-ink); }
.tab-proof .pf-blocks { display: grid; gap: 0; grid-template-columns: 1fr; }
.tab-proof .pf-verdict > .disclaimer { margin: 0; padding: 12px 18px 16px; }

.tab-proof .pf-block { padding: 16px 18px; border-top: 1px solid var(--line); animation: pf-rise .45s cubic-bezier(.2, .8, .2, 1) both; }
.tab-proof .pf-b1 { border-top: 0; }
.tab-proof .pf-b2 { animation-delay: .07s; }
.tab-proof .pf-b3 { animation-delay: .14s; }
.tab-proof .pf-b4 { animation-delay: .21s; }
@media (min-width: 700px) {
  .tab-proof .pf-blocks { grid-template-columns: 1fr 1fr; }
  .tab-proof .pf-b2 { border-left: 1px solid var(--line); }
  .tab-proof .pf-b1 { border-top: 0; }
  .tab-proof .pf-b2 { border-top: 0; }
  .tab-proof .pf-b3, .tab-proof .pf-b4 { grid-column: 1 / -1; }
}
.tab-proof .pf-block h3 { display: flex; align-items: center; gap: 8px; font-size: .78rem; text-transform: uppercase; letter-spacing: .07em; color: var(--mute); margin-bottom: 10px; }
.tab-proof .pf-num { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--soft); color: var(--accent-ink); font-size: .72rem; letter-spacing: 0; }

.tab-proof .pf-brand { margin: 0; font-size: .8rem; font-weight: 700; color: var(--accent-ink); }
.tab-proof .pf-name { margin: 0 0 8px; font-size: 1.05rem; font-weight: 750; line-height: 1.3; }

.tab-proof .pf-dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 8px 0 0; font-size: .88rem; }
.tab-proof .pf-dl dt { color: var(--mute); font-weight: 600; }
.tab-proof .pf-dl dd { margin: 0; min-width: 0; }

.tab-proof .pf-warn { margin: 12px 0 0; padding: 10px 12px; border-radius: 12px; background: var(--amber-1); color: var(--amber-ink); font-size: .88rem; border-left: 4px solid var(--sig-some); }

/* risk */
.tab-proof .pf-sigrow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 10px; }
.tab-proof .pf-sigrow .signal { font-size: 1rem; padding: 6px 16px; }
.tab-proof .pf-meter { display: inline-flex; gap: 3px; }
.tab-proof .pf-meter i { width: 18px; height: 6px; border-radius: 99px; background: var(--line); }
.tab-proof .pf-meter i.on { background: var(--lvl); }
.tab-proof .pf-nolist { display: inline-block; padding: 5px 14px; border-radius: 99px; background: var(--soft); color: var(--mute); font-weight: 700; font-size: .85rem; }
.tab-proof .pf-reasons { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.tab-proof .pf-reasons li { position: relative; padding-left: 22px; font-size: .92rem; }
.tab-proof .pf-reasons li::before { content: ""; position: absolute; left: 4px; top: .5em; width: 8px; height: 8px; border-radius: 50%; background: var(--lvl); }

/* routes */
.tab-proof .pf-routes { margin: 0 0 8px; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.tab-proof .pf-routes a { display: inline-block; padding: 8px 14px; border-radius: 99px; background: var(--mint); color: var(--mint-ink); font-weight: 700; font-size: .9rem; text-decoration: none; transition: transform .25s var(--spring); }
.tab-proof .pf-routes a:hover { transform: translateY(-2px); }

/* fit */
.tab-proof .pf-prof { margin: 0 0 10px; text-transform: none; }
.tab-proof .pf-notes { display: grid; gap: 10px; margin-bottom: 12px; }
.tab-proof .pf-note { padding: 12px 14px; border-radius: 14px; background: var(--amber-1); color: var(--amber-ink); border-left: 4px solid var(--sig-some); display: grid; gap: 4px; }
.tab-proof .pf-note p { margin: 0; }
.tab-proof .pf-note-t { font-weight: 650; }
.tab-proof .pf-note a { color: inherit; font-weight: 700; }
.tab-proof .pf-clear { margin: 0 0 12px; padding: 10px 14px; border-radius: 14px; background: var(--mint); color: var(--mint-ink); }

.tab-proof .pf-hl-wrap { margin-bottom: 12px; }
.tab-proof .pf-hl { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.tab-proof .pf-hl li { display: inline-flex; flex-direction: column; padding: 6px 12px; border-radius: 12px; background: var(--lav); color: var(--lav-ink); line-height: 1.25; max-width: 100%; }
.tab-proof .pf-hl b { font-size: .85rem; }
.tab-proof .pf-hl small { font-size: .7rem; opacity: .8; }

.tab-proof .pf-cohort { margin-bottom: 12px; padding: 10px 14px; border-radius: 14px; background: var(--sky); font-size: .92rem; }
.tab-proof .pf-cohort p { margin: 0; }
.tab-proof .pf-cohort p + p { margin-top: 6px; }
.tab-proof .pf-hyp.differs { font-weight: 650; padding: 8px 10px; border-radius: 10px; background: var(--card); border: 1.5px dashed var(--sig-some); }

/* ---------- spec sheet ---------- */
.tab-proof .pf-spec-bar { display: flex; }
.tab-proof .pf-spec-toggle { gap: 8px; }
.tab-proof .pf-caret { display: inline-block; transition: transform .3s var(--spring); }
.tab-proof .pf-spec-toggle[aria-expanded="true"] .pf-caret { transform: rotate(90deg); }
.tab-proof .pf-count { font-size: .72rem; font-weight: 700; padding: 1px 8px; border-radius: 99px; background: var(--card); color: var(--mute); }

.tab-proof .pf-spec { margin-top: 14px; border: 1.5px solid var(--ink); border-radius: 14px; overflow: hidden; background: var(--card); animation: pf-rise .35s cubic-bezier(.2, .8, .2, 1) both; }
.tab-proof .pf-spec-head { padding: 12px 14px 4px; border-bottom: 1.5px solid var(--ink); }
.tab-proof .pf-spec-head p { margin: 0 0 8px; }
.tab-proof .pf-spec-head .eyebrow { color: var(--ink); letter-spacing: .12em; }

.tab-proof .pf-map { display: flex; height: 10px; margin: 12px 14px 8px; border-radius: 99px; overflow: hidden; gap: 2px; }
.tab-proof .pf-map i { min-width: 6px; }
.tab-proof .pf-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0 14px 12px; padding: 0; list-style: none; font-size: .75rem; color: var(--mute); }
.tab-proof .pf-legend li { display: inline-flex; align-items: center; gap: 5px; }
.tab-proof .pf-legend i { width: 9px; height: 9px; border-radius: 3px; }
.tab-proof .pf-legend b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* phase palette (swatches and group ticks) */
.tab-proof .pf-map i.ph-water, .tab-proof .pf-legend i.ph-water { background: #5aa9e6; }
.tab-proof .pf-map i.ph-oil, .tab-proof .pf-legend i.ph-oil { background: #e8b13b; }
.tab-proof .pf-map i.ph-uv_filter, .tab-proof .pf-legend i.ph-uv_filter { background: #8b6ce0; }
.tab-proof .pf-map i.ph-active, .tab-proof .pf-legend i.ph-active { background: #3fae7a; }
.tab-proof .pf-map i.ph-emulsifier, .tab-proof .pf-legend i.ph-emulsifier { background: #e0709b; }
.tab-proof .pf-map i.ph-thickener, .tab-proof .pf-legend i.ph-thickener { background: #d98c5f; }
.tab-proof .pf-map i.ph-preservative, .tab-proof .pf-legend i.ph-preservative { background: #8a8f98; }
.tab-proof .pf-map i.ph-fragrance, .tab-proof .pf-legend i.ph-fragrance { background: #c26be0; }
.tab-proof .pf-map i.ph-other, .tab-proof .pf-legend i.ph-other { background: #a89b90; }
.tab-proof tbody.ph-water { --ph: #5aa9e6; }
.tab-proof tbody.ph-oil { --ph: #e8b13b; }
.tab-proof tbody.ph-uv_filter { --ph: #8b6ce0; }
.tab-proof tbody.ph-active { --ph: #3fae7a; }
.tab-proof tbody.ph-emulsifier { --ph: #e0709b; }
.tab-proof tbody.ph-thickener { --ph: #d98c5f; }
.tab-proof tbody.ph-preservative { --ph: #8a8f98; }
.tab-proof tbody.ph-fragrance { --ph: #c26be0; }
.tab-proof tbody.ph-other { --ph: #a89b90; }

.tab-proof .pf-tablewrap { overflow-x: auto; border-top: 1px solid var(--line); }
.tab-proof .pf-table { width: 100%; border-collapse: collapse; font-size: .85rem; font-variant-numeric: tabular-nums; }
.tab-proof .pf-table thead th { text-align: left; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--mute); padding: 8px 10px; background: var(--soft); white-space: nowrap; }
.tab-proof .pf-table td, .tab-proof .pf-table tbody th[scope="row"] { padding: 7px 10px; text-align: left; vertical-align: top; border-top: 1px solid var(--line); font-weight: 400; }
.tab-proof .pf-table tr.pf-phase th { padding: 8px 10px 6px; text-align: left; font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; background: color-mix(in srgb, var(--ph) 14%, var(--card)); border-top: 1px solid var(--line); border-left: 4px solid var(--ph); }
.tab-proof .pf-phase-n { font-weight: 600; color: var(--mute); letter-spacing: 0; text-transform: none; }
.tab-proof .c-rank { color: var(--mute); width: 3em; white-space: nowrap; }
.tab-proof .c-inci { font-weight: 650 !important; }
.tab-proof .c-fn { color: var(--mute); }
.tab-proof .pf-flag { display: inline-block; margin: 0 0 0 6px; padding: 0 6px; border-radius: 6px; background: var(--amber-1); color: var(--amber-ink); font-size: .65rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; vertical-align: 1px; }
.tab-proof .pf-band { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.tab-proof .pf-pips { display: inline-flex; gap: 2px; }
.tab-proof .pf-pips i { width: 5px; height: 12px; border-radius: 2px; background: var(--line); }
.tab-proof .pf-pips i.on { background: var(--accent); }
.tab-proof .pf-band-t { font-size: .72rem; color: var(--mute); }

.tab-proof .pf-spec-foot { padding: 12px 14px 14px; border-top: 1.5px solid var(--ink); display: grid; gap: 8px; }
.tab-proof .pf-spec-foot p { margin: 0; }
.tab-proof .pf-rules { margin: 4px 0 0; padding-left: 18px; display: grid; gap: 4px; }

/* spec table on narrow screens: each row becomes a compact stacked line */
@media (max-width: 599px) {
  .tab-proof .pf-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .tab-proof .pf-table, .tab-proof .pf-table tbody { display: block; }
  .tab-proof .pf-table tbody tr:not(.pf-phase) {
    display: grid;
    grid-template-columns: 2.2em 1fr auto;
    gap: 0 8px;
    padding: 8px 10px;
    border-top: 1px solid var(--line);
  }
  .tab-proof .pf-table tbody tr.pf-phase { display: block; }
  .tab-proof .pf-table tbody tr.pf-phase th { display: block; }
  .tab-proof .pf-table td, .tab-proof .pf-table tbody th[scope="row"] { display: block; padding: 0; border: 0; }
  .tab-proof .c-rank { grid-row: 1 / span 3; padding-top: 2px; }
  .tab-proof .c-inci { grid-column: 2; }
  .tab-proof .c-band { grid-column: 3; grid-row: 1; text-align: right; }
  .tab-proof .c-plain { grid-column: 2 / -1; font-size: .82rem; }
  .tab-proof .c-fn { grid-column: 2 / -1; font-size: .76rem; }
}

/* ---------- 320px ---------- */
@media (max-width: 380px) {
  .tab-proof .pf-inputrow { flex-wrap: wrap; }
  .tab-proof .pf-inputrow .btn { width: 100%; }
  .tab-proof .pf-block, .tab-proof .pf-vhead { padding-left: 14px; padding-right: 14px; }
  .tab-proof .pf-dl { grid-template-columns: 1fr; gap: 0; }
  .tab-proof .pf-dl dd { margin-bottom: 6px; }
}

/* ---------- choreography (GSAP; the card is fully visible without it) ---------- */
.tab-proof .pf-verdict.gs .pf-block { animation: none; }

/* the risk block leads: tinted by level, badge at stage size */
.tab-proof .pf-b2 { background: color-mix(in srgb, var(--lvl) 6%, var(--card)); }
.tab-proof .pf-sigrow .signal { font-size: 1.15rem; padding: 7px 18px; }
.tab-proof .pf-lblwrap { position: relative; display: inline-grid; overflow: hidden; }
.tab-proof .pf-lbl { grid-area: 1 / 1; white-space: nowrap; }
.tab-proof .pf-sigcount { font-weight: 800; font-size: .9rem; color: var(--lvl); font-variant-numeric: tabular-nums; min-width: 5.5em; }
.tab-proof .pf-typed { white-space: normal; }
.tab-proof .pf-rest { visibility: hidden; }

.tab-proof .pf-spec-title { font-weight: 800; font-size: .95rem; letter-spacing: -.005em; color: var(--ink); }
.tab-proof .pf-sub { margin: 0 0 6px; font-size: .85rem; font-weight: 750; color: var(--ink); }

/* spec-sheet scan line */
.tab-proof .pf-tablewrap { position: relative; }
.tab-proof .pf-scan {
  position: absolute; left: 0; right: 0; top: 0; height: 30px; margin-top: -28px; pointer-events: none; z-index: 2;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--accent) 26%, transparent));
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 6px 14px -4px color-mix(in srgb, var(--accent) 55%, transparent);
  will-change: transform;
}

/* demo caption timeline */
.tab-proof .pf-tl { position: absolute; left: 14px; right: 14px; bottom: 0; height: 3px; border-radius: 3px; overflow: hidden; background: color-mix(in srgb, var(--lav-ink) 16%, transparent); }
.tab-proof .pf-tl i { display: block; height: 100%; background: var(--lav-ink); transform: scaleX(0); transform-origin: 0 50%; }
.tab-proof .pf-stage:not(.gs) .pf-tl { display: none; }
.tab-proof .pf-stage { padding-bottom: 14px; }

@media (prefers-reduced-motion: reduce) {
  .tab-proof .pf-block, .tab-proof .pf-spec { animation: none; }
  .tab-proof .pf-scan, .tab-proof .pf-tl { display: none; }
}