/* Acoustic Vacuum — the bench at night. Tokens first, then layout, then components. */
:root {
  --bg: #070605;
  --bg-2: #0d0b09;
  --bg-3: #141109;
  --ink: #efe7dc;
  --ink-2: #b9ad9d;
  --ink-3: #7d7366;
  --hair: rgba(239, 231, 220, 0.12);
  --hair-2: rgba(239, 231, 220, 0.22);
  --grid: rgba(255, 154, 60, 0.14);
  --amber: #ff9a3c;
  --amber-2: #ffd27a;
  --ember: #c4521a;
  --steel: #9aa3ad;
  --steel-2: #5c636b;
  --warn: #e2b04a;
  --cold: #4a5560;
  --font-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "Sometype Mono", ui-monospace, monospace;
  --rail-w: 9rem;
  --measure: 68ch;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) { :root { color-scheme: dark; } } /* the room is dark; no light theme */

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--bg); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.5;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
::selection { background: rgba(255, 154, 60, 0.35); color: var(--ink); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--steel-2); border-radius: 0; border: 2px solid var(--bg); }
* { scrollbar-color: var(--steel-2) var(--bg); scrollbar-width: thin; }
a { color: var(--amber-2); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--amber); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.skip { position: absolute; left: -999px; top: 0; background: var(--amber); color: #000; padding: 0.5rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 300; margin: 0; letter-spacing: 0.01em; text-wrap: balance; }
p { margin: 0; }
small { font-size: 0.75em; }

/* ---------- rail ---------- */
.rail {
  position: fixed; inset: 0 auto 0 0; width: var(--rail-w); padding: 1.5rem 1.25rem; z-index: 20;
  display: flex; flex-direction: column; gap: 2rem; border-right: 1px solid var(--hair);
  background: linear-gradient(90deg, rgba(7, 6, 5, 0.92), rgba(7, 6, 5, 0.6));
}
.rail-brand { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; line-height: 0.95; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink); text-decoration: none; }
.rail ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.35rem; }
.rail li a { display: flex; align-items: center; gap: 0.5rem; color: var(--ink-3); text-decoration: none; font-family: var(--font-body); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; padding: 0.3rem 0; transition: color 0.3s var(--ease-out); }
.rail li a::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: transparent; transition: background 0.3s, box-shadow 0.3s; }
.rail li a:hover { color: var(--ink); }
.rail li a[aria-current="true"] { color: var(--amber-2); }
.rail li a[aria-current="true"]::before { background: var(--amber-2); box-shadow: 0 0 8px var(--amber), 0 0 2px var(--amber-2); }
.rail-foot { margin-top: auto; color: var(--ink-3); font-size: 0.7rem; white-space: nowrap; }
main { margin-left: var(--rail-w); }

/* ---------- hero ---------- */
.hero { height: 300vh; position: relative; }
.hero-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
#amp-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
#amp-canvas.hit { cursor: pointer; }
.hero-title { position: absolute; left: 2.5rem; top: 2rem; z-index: 2; pointer-events: none; }
.hero-title h1 { font-size: 2rem; font-weight: 300; letter-spacing: 0.1em; text-transform: uppercase; line-height: 1; }
.hero-sub { color: var(--ink-2); margin-top: 0.4rem; font-size: 0.9rem; }
.hero-sub .tag { color: var(--steel); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0.3rem; }
.socket-labels { position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; transition: opacity 0.8s var(--ease-out); }
.hero.docked .socket-labels { opacity: 1; }
.socket-label { position: absolute; left: 0; top: 0; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; color: var(--ink-2); text-align: center; white-space: nowrap; will-change: transform; }
.socket-label::before { content: ""; display: block; width: 1px; height: 1.1rem; margin: 0 auto 0.25rem; background: var(--hair-2); }
.socket-label b { color: var(--ink); font-weight: 500; }
.hero-hint { position: absolute; left: 2.5rem; bottom: 2rem; z-index: 2; color: var(--ink-3); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; display: flex; align-items: center; gap: 0.75rem; transition: opacity 0.6s; }
.hint-line { display: inline-block; width: 2.5rem; height: 1px; background: var(--amber); transform-origin: left; animation: hint 2.4s var(--ease-out) infinite; }
@keyframes hint { 0% { transform: scaleX(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: scaleX(1); opacity: 0; } }
.hero.docked .hero-hint { opacity: 0; }
.hero-readout { position: absolute; right: 2.5rem; top: 2rem; z-index: 2; text-align: right; color: var(--ink-3); font-size: 0.75rem; line-height: 1.6; pointer-events: none; }
.hero-readout b { color: var(--amber); font-weight: 500; }
.hero.docked .hero-readout { opacity: 0; }
.hero-readout { transition: opacity 0.5s; }
.pool-count { color: var(--ink-3); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.9rem; }

/* roll panel docks on the right as the camera lifts */
.roll-panel {
  position: absolute; right: 2.5rem; top: 50%; transform: translate(2rem, -50%); width: min(30rem, 42vw); z-index: 3;
  opacity: 0; pointer-events: none; transition: opacity 0.7s var(--ease-out), transform 0.9s var(--ease-out);
  background: linear-gradient(180deg, rgba(13, 11, 9, 0.9), rgba(7, 6, 5, 0.92)); border: 1px solid var(--hair); backdrop-filter: blur(6px);
  padding: 1.25rem 1.4rem; max-height: calc(100vh - 4rem); overflow: auto;
}
.hero.docked .roll-panel { opacity: 1; pointer-events: auto; transform: translate(0, -50%); }
.roll-head h2 { font-size: 1.9rem; font-weight: 500; }
.roll-head p { color: var(--ink-2); font-size: 0.9rem; margin-top: 0.25rem; max-width: 40ch; }
.roll-sockets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 1rem; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.socket-tab { appearance: none; background: none; border: 0; border-right: 1px solid var(--hair); color: var(--ink-2); font: inherit; font-size: 0.85rem; padding: 0.6rem 0.4rem; text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 0.1rem; transition: color 0.3s, background 0.3s; }
.socket-tab:last-child { border-right: 0; }
.socket-tab small { color: var(--ink-3); font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; }
.socket-tab .mono { color: var(--steel); font-size: 0.75rem; }
.socket-tab[aria-selected="true"] { color: var(--amber-2); background: linear-gradient(180deg, rgba(255, 154, 60, 0.08), transparent); }
.roll-pool-wrap { max-height: 11rem; overflow: auto; margin-top: 0.4rem; mask-image: linear-gradient(180deg, #000 85%, transparent); -webkit-mask-image: linear-gradient(180deg, #000 85%, transparent); padding-bottom: 1rem; }
.roll-pool { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip { appearance: none; border: 1px solid var(--hair-2); background: transparent; color: var(--ink-2); font: inherit; font-size: 0.78rem; padding: 0.3rem 0.6rem; cursor: pointer; border-radius: 999px; transition: color 0.25s, border-color 0.25s, background 0.25s; display: inline-flex; align-items: center; gap: 0.4rem; }
.chip:hover { color: var(--ink); border-color: var(--steel); }
.chip[aria-selected="true"], .chip[aria-pressed="true"] { color: var(--ink); border-color: var(--ink-2); }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--steel-2); }
.chip .dot.nos { background: var(--amber-2); opacity: 0.6; }
.chip[aria-selected="true"] .dot, .chip[aria-pressed="true"] .dot { background: var(--amber-2); opacity: 1; box-shadow: 0 0 8px var(--amber), 0 0 2px var(--amber-2); }
.roll-result { margin-top: 1rem; }
.view-toggle { margin-bottom: 0.7rem; }
.view-toggle .seg-btn { font-size: 0.72rem; padding: 0.3rem 0.65rem; }
.spider svg { width: 100%; max-width: 19rem; display: block; margin: 0 auto; }
.dock-summary, .roll-change { display: none; }

/* floating dock: the roll panel follows the reader once the hero has scrolled away */
.roll-dock { position: fixed; right: 1.5rem; top: 50%; transform: translate(1rem, -50%); width: min(20rem, 24vw); z-index: 15; opacity: 0; pointer-events: none; transition: opacity 0.5s var(--ease-out), transform 0.6s var(--ease-out), box-shadow 0.6s; }
.roll-dock.on { opacity: 1; pointer-events: auto; transform: translate(0, -50%); }
.roll-dock .roll-panel { position: static; transform: none; width: auto; opacity: 1; pointer-events: auto; max-height: calc(100vh - 3rem); overflow: auto; padding: 1rem 1.1rem; transition: box-shadow 0.6s; }
.roll-dock.pulse .roll-panel { box-shadow: 0 0 28px rgba(255, 154, 60, 0.45), 0 0 4px rgba(255, 210, 122, 0.6); }
.roll-dock .roll-head h2 { font-size: 1.35rem; }
.roll-dock .roll-head p:not(.dock-summary) { display: none; }
.roll-dock .dock-summary { display: block; color: var(--ink-2); font-size: 0.8rem; margin-top: 0.3rem; }
.roll-dock .roll-change { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.5rem; appearance: none; border: 1px solid var(--hair-2); background: transparent; color: var(--ink-2); font: inherit; font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.3rem 0.6rem; border-radius: 999px; cursor: pointer; }
.roll-dock .roll-change:hover { color: var(--ink); border-color: var(--steel); }
.roll-dock .roll-change svg { width: 9px; height: 9px; transition: transform 0.3s; }
.roll-dock.expanded .roll-change svg { transform: rotate(180deg); }
.roll-panel.compact .roll-sockets, .roll-panel.compact .pool-count, .roll-panel.compact .roll-pool-wrap { display: none; }
.roll-dock .meters { gap: 0.25rem 0.5rem; }
.roll-dock .verdict { font-size: 0.86rem; }
.roll-dock .basis { font-size: 0.62rem; }
body.dock-on main > .sheet { padding-right: min(22rem, 26vw); }

.meters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem 0.75rem; }
.meter { display: flex; flex-direction: column; align-items: center; gap: 0.1rem; }
.meter svg { width: 100%; height: auto; display: block; }
.meter-label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); display: flex; justify-content: center; width: 100%; }
.meter-label b { color: var(--ink-2); font-weight: 500; }
.verdict { margin-top: 0.9rem; font-size: 0.95rem; color: var(--ink); max-width: 48ch; }
.basis { margin-top: 0.4rem; font-size: 0.68rem; color: var(--ink-3); }

/* ---------- sheets ---------- */
.sheet { padding: 6rem 3rem 4rem; max-width: 76rem; position: relative; }
.sheet-title { font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 0.95; letter-spacing: 0.02em; }
.lede { color: var(--ink-2); max-width: var(--measure); margin-top: 1rem; font-size: 1.05rem; }
.fine { color: var(--ink-3); font-size: 0.82rem; max-width: var(--measure); margin-top: 1.25rem; }
@media (prefers-reduced-motion: reduce) { .hint-line { animation: none; transform: none; opacity: 1; } }

/* socket sheet: datasheet rows */
.socket-sheet { margin-top: 2rem; border-top: 1px solid var(--hair-2); }
.socket-row { display: grid; grid-template-columns: 7rem 1fr 1fr 1.2fr; gap: 1.5rem; padding: 1.25rem 0; border-bottom: 1px solid var(--hair); align-items: start; }
.socket-row .fam { font-family: var(--font-display); font-size: 2.6rem; font-weight: 500; line-height: 0.9; }
.socket-row .fam small { display: block; font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-top: 0.4rem; font-weight: 400; }
.socket-row dt { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.socket-row dd { margin: 0.2rem 0 0.8rem; font-size: 0.95rem; color: var(--ink-2); }
.socket-row dd b { color: var(--ink); font-weight: 500; }
.socket-row .pool-list { display: flex; flex-wrap: wrap; gap: 0.3rem 0.6rem; font-size: 0.85rem; color: var(--ink-2); }
.socket-row .pool-list span.nos::after { content: " NOS"; font-family: var(--font-mono); font-size: 0.6rem; color: var(--amber-2); letter-spacing: 0.08em; }

/* matrix */
.matrix-wrap { margin-top: 2rem; overflow: auto; border: 1px solid var(--hair); background: var(--bg-2); }
.matrix { display: grid; font-size: 0.75rem; min-width: 56rem; }
.matrix .mh, .matrix .mr { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.03em; color: var(--ink-2); padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--hair); border-right: 1px solid var(--hair); background: var(--bg-2); position: sticky; line-height: 1.25; }
.matrix .mh { top: 0; z-index: 2; writing-mode: vertical-rl; transform: rotate(180deg); text-align: left; height: 10rem; }
.matrix .mr { left: 0; z-index: 1; white-space: normal; overflow-wrap: anywhere; }
.matrix-key { color: var(--ink-3); font-size: 0.82rem; margin-top: 1.5rem; }
.matrix-readout { color: var(--amber-2); font-size: 0.78rem; margin-top: 0.35rem; min-height: 1.2em; }
.matrix-readout + .matrix-wrap { margin-top: 0.75rem; }
.matrix .corner { position: sticky; top: 0; left: 0; z-index: 3; background: var(--bg-2); border-bottom: 1px solid var(--hair); border-right: 1px solid var(--hair); }
.cell { appearance: none; border: 0; border-bottom: 1px solid var(--hair); border-right: 1px solid var(--hair); background: var(--c, transparent); padding: 0.35rem; cursor: pointer; display: flex; flex-direction: column; justify-content: flex-end; height: 3.4rem; transition: filter 0.25s, outline-color 0.25s; outline: 1px solid transparent; outline-offset: -2px; }
.cell:hover { filter: brightness(1.25); }
.cell[aria-selected="true"] { box-shadow: inset 0 0 0 1px var(--ink), 0 0 14px rgba(255, 154, 60, 0.4); }
.cell:focus-visible { outline-offset: -2px; }
.cell .bars { display: flex; gap: 2px; align-items: flex-end; height: 1.4rem; }
.cell .bars i { display: block; width: 4px; background: var(--ink-2); opacity: 0.85; }
.cell .n { font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-3); margin-top: 0.2rem; text-align: left; }

/* bench */
.bench-card { margin-top: 3rem; border-top: 1px solid var(--hair-2); padding-top: 1.5rem; }
.bench-card header h3 { font-size: 2rem; font-weight: 500; }
.bench-card header p { color: var(--ink-2); max-width: var(--measure); margin-top: 0.4rem; font-size: 0.95rem; }
.bench-body { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 2rem; margin-top: 1.25rem; align-items: start; }
.bench-body canvas { width: 100%; height: auto; display: block; background: var(--bg-2); border: 1px solid var(--hair); }
.bench-controls { display: flex; flex-direction: column; gap: 0.9rem; }
.bench-controls label { display: flex; flex-direction: column; gap: 0.35rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.bench-controls label .val { white-space: nowrap; color: var(--amber-2); font-weight: 500; }
.bench-controls label.check { flex-direction: row; align-items: center; gap: 0.5rem; text-transform: none; letter-spacing: 0; font-family: var(--font-body); font-size: 0.85rem; color: var(--ink-2); }
input[type="range"] { appearance: none; width: 100%; height: 2px; background: var(--hair-2); outline-offset: 6px; }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px rgba(255, 154, 60, 0.5); cursor: pointer; }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--amber); border: 0; cursor: pointer; }
input[type="checkbox"] { accent-color: var(--amber); width: 1rem; height: 1rem; }
select { background: var(--bg-3); color: var(--ink); border: 1px solid var(--hair-2); padding: 0.4rem 0.5rem; font-size: 0.85rem; }
.readout { display: grid; grid-template-columns: auto auto; gap: 0.25rem 0.75rem; margin: 0.25rem 0 0; font-size: 0.72rem; color: var(--ink-2); border-top: 1px solid var(--hair); padding-top: 0.75rem; }
.readout dt { color: var(--ink-3); }
.readout dd { margin: 0; color: var(--amber-2); text-align: right; }
.btn { appearance: none; background: transparent; color: var(--ink); border: 1px solid var(--ink-2); padding: 0.5rem 0.9rem; font: inherit; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: background 0.25s, color 0.25s; align-self: flex-start; }
.btn:hover { background: var(--ink); color: #140d05; }
.seg { display: inline-flex; border: 1px solid var(--hair-2); }
.seg-btn { appearance: none; background: transparent; border: 0; color: var(--ink-2); font: inherit; font-size: 0.8rem; padding: 0.45rem 0.8rem; cursor: pointer; }
.seg-btn[aria-pressed="true"] { background: var(--ink); color: #140d05; }
.anatomy-figure { background: var(--bg-2); border: 1px solid var(--hair); padding: 1rem; }
.anatomy-figure svg { width: 100%; height: auto; max-height: 34rem; display: block; }
.anatomy-note { color: var(--ink-2); font-size: 0.9rem; max-width: 34ch; }

/* market */
.filters { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.5rem; }
.table-wrap { margin-top: 1rem; overflow: auto; border-top: 1px solid var(--hair-2); }
table.market { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.market th { text-align: left; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); padding: 0.75rem 0.6rem; border-bottom: 1px solid var(--hair); font-weight: 500; white-space: nowrap; }
table.market td { padding: 0.7rem 0.6rem; border-bottom: 1px solid var(--hair); vertical-align: top; color: var(--ink-2); }
table.market .num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
table.market td.tube b { color: var(--ink); font-weight: 500; display: block; }
table.market td.tube small { color: var(--ink-3); }
table.market td.price { color: var(--ink); }
table.market td.price small { display: block; color: var(--ink-3); font-size: 0.7rem; }
.stock { display: inline-flex; align-items: center; gap: 0.45rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; }
.stock i { width: 8px; height: 8px; border-radius: 50%; background: var(--cold); }
.stock.in_stock i { background: var(--amber); box-shadow: 0 0 8px rgba(255, 154, 60, 0.9), 0 0 2px var(--amber-2); }
.stock.in_stock { color: var(--amber-2); }
.stock.inquire i, .stock.unknown i { background: transparent; border: 1px dashed var(--steel); }
.stock.backorder i { background: var(--warn); }
.order { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; display: inline-flex; align-items: center; gap: 0.3rem; }
.order svg { width: 9px; height: 9px; }
.cl { display: none; }
.ship-unknown { color: var(--warn); }
.empty { padding: 2.5rem 0; color: var(--ink-3); font-size: 0.95rem; }
.empty code { font-family: var(--font-mono); color: var(--ink-2); }

/* library */
.kb { margin-top: 2rem; display: grid; gap: 0; border-top: 1px solid var(--hair-2); }
.kb-entry { display: grid; grid-template-columns: 7rem 1fr; gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid var(--hair); }
.kb-entry .fam { font-family: var(--font-display); font-size: 2.6rem; font-weight: 500; line-height: 0.9; }
.kb-entry .fam small { display: block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-top: 0.4rem; font-weight: 400; }
.kb-body { max-width: var(--measure); }
.kb-body h4 { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin: 1rem 0 0.35rem; font-weight: 500; }
.kb-body h4:first-child { margin-top: 0; }
.kb-body p, .kb-body li { color: var(--ink-2); font-size: 0.92rem; }
.kb-body ul { margin: 0; padding-left: 1.1rem; }
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr)); gap: 0.4rem 1rem; font-size: 0.85rem; }
.spec-grid div { display: flex; justify-content: space-between; gap: 0.5rem; border-bottom: 1px dotted var(--hair); padding: 0.2rem 0; }
.spec-grid span { color: var(--ink-3); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em; text-transform: uppercase; }
.spec-grid b { color: var(--amber-2); font-weight: 500; font-family: var(--font-mono); font-size: 0.85rem; }
.quote { border-left: 1px solid var(--hair-2); padding-left: 0.9rem; margin: 0.5rem 0; font-size: 0.9rem; color: var(--ink-2); }
.quote cite { display: block; font-style: normal; font-family: var(--font-mono); font-size: 0.66rem; color: var(--ink-3); margin-top: 0.2rem; }
.pending { color: var(--ink-3); font-size: 0.85rem; }

.colophon { padding: 4rem 3rem 3rem; color: var(--ink-3); font-size: 0.8rem; max-width: var(--measure); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .roll-panel { width: min(28rem, 46vw); }
  .bench-body { grid-template-columns: 1fr; }
  /* narrower screens: the dock becomes a bottom sheet */
  .roll-dock { right: 0; left: var(--rail-w); top: auto; bottom: 0; transform: translate(0, 1rem); width: auto; }
  .roll-dock.on { transform: none; }
  .roll-dock .roll-panel { max-height: 3.6rem; overflow: hidden; padding: 0.6rem 1rem; border-left: 0; border-right: 0; border-bottom: 0; }
  .roll-dock.expanded .roll-panel { max-height: 72vh; overflow: auto; padding: 1rem; }
  .roll-dock .roll-head { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
  .roll-dock .roll-head h2 { font-size: 1.1rem; }
  .roll-dock .dock-summary { margin: 0; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .roll-dock .roll-change { margin: 0; }
  .roll-dock .roll-result { margin-top: 1rem; }
  body.dock-on main > .sheet { padding-right: 3rem; }
  body.dock-on main { padding-bottom: 4rem; }
}
@media (max-width: 860px) {
  :root { --rail-w: 0px; }
  .rail { inset: auto 0 0 0; width: 100%; height: auto; padding: 0.5rem 0.75rem; flex-direction: row; align-items: center; gap: 1rem; border-right: 0; border-top: 1px solid var(--hair); background: rgba(7, 6, 5, 0.94); backdrop-filter: blur(8px); }
  .rail-brand { font-size: 0.9rem; }
  .rail ul { flex: 1; justify-content: space-between; }
  .rail ul { flex-direction: row; gap: 0.1rem; overflow-x: auto; }
  .rail li a { padding: 0.4rem 0.3rem; margin: 0; font-size: 0.62rem; letter-spacing: 0.05em; gap: 0; }
  .rail li a::before { display: none; }
  .rail-foot { display: none; }
  main { margin-left: 0; padding-bottom: 3.5rem; }
  .roll-dock { left: 0; bottom: 3.3rem; }
  body.dock-on main > .sheet { padding-right: 1rem; }
  body.dock-on main { padding-bottom: 7.5rem; }
  .hero { height: auto; }
  .hero-sticky { position: relative; height: auto; overflow: visible; }
  #amp-canvas { position: relative; height: 62svh; }
  .hero-title { left: 1rem; top: 1rem; }
  .socket-labels { display: none; }
  .hero-hint { left: 1rem; bottom: auto; top: calc(62svh - 2.5rem); }
  .hero-readout { right: 1rem; top: 1rem; display: none; }
  .hero .roll-panel, .hero.docked .roll-panel { position: relative; right: auto; top: auto; transform: none; width: auto; opacity: 1; pointer-events: auto; margin: 0 1rem; max-height: none; backdrop-filter: none; }
  .meters { grid-template-columns: repeat(3, 1fr); }
  .sheet { padding: 3.5rem 1rem 2.5rem; }
  .socket-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .socket-row .fam { font-size: 2.2rem; }
  .kb-entry { grid-template-columns: 1fr; gap: 0.5rem; }
  .colophon { padding: 2rem 1rem 3rem; }
  table.market thead { display: none; }
  table.market tr { display: grid; grid-template-columns: 1fr 1fr; gap: 0.3rem 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--hair); }
  table.market td { display: block; border: 0; padding: 0; }
  table.market td.tube { grid-column: 1 / -1; }
  table.market td.num { text-align: left; }
  .cl { display: block; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 0.1rem; }
}
@media (max-width: 480px) {
  .rail-brand { display: none; }
  .rail li a { padding: 0.4rem 0.2rem; font-size: 0.6rem; letter-spacing: 0.04em; }
  .meters { grid-template-columns: repeat(3, 1fr); gap: 0.3rem; }
}

/* ---------- library page ---------- */
.library-page .sheet-title small { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-top: 0.6rem; }
.kb-page { border-top: 1px solid var(--hair-2); padding-top: 3rem; }
.kb-page-grid { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 3rem; margin-top: 2rem; }
.kb-page h4 { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin: 1.5rem 0 0.5rem; font-weight: 500; }
.kb-page h4:first-child { margin-top: 0; }
.kb-page p, .kb-page li, .kb-page td { color: var(--ink-2); font-size: 0.95rem; }
.kb-page-main { max-width: var(--measure); }
.spec-grid-col { grid-template-columns: 1fr; }
.warn-list { margin: 0; padding-left: 1rem; }
.warn-list li { color: var(--warn); font-size: 0.88rem; margin-bottom: 0.3rem; }
table.makers { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.makers th { text-align: left; color: var(--ink); font-weight: 500; padding: 0.45rem 0.6rem 0.45rem 0; border-bottom: 1px solid var(--hair); vertical-align: top; white-space: nowrap; }
table.makers td { padding: 0.45rem 0.6rem 0.45rem 0; border-bottom: 1px solid var(--hair); vertical-align: top; }
.tags { color: var(--ink-3); font-size: 0.7rem; }
details.narrative, details.evidence { margin-top: 1.25rem; border-top: 1px solid var(--hair); padding-top: 0.75rem; }
details summary { cursor: pointer; color: var(--amber-2); font-size: 0.9rem; }
details.narrative h3, details.narrative h4 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; letter-spacing: 0.02em; text-transform: none; color: var(--ink); margin: 1.5rem 0 0.4rem; }
details.narrative p { margin-bottom: 0.6rem; }
details.narrative code { font-family: var(--font-mono); font-size: 0.85em; color: var(--amber-2); }
details.evidence li { font-size: 0.82rem; margin-bottom: 0.3rem; }
@media (max-width: 860px) { .kb-page-grid { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ---------- combinations cube ---------- */
.combo-toggle { margin-top: 1.5rem; }
.cube-view { margin-top: 0.75rem; display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 1.25rem; }
.cube-wrap { position: relative; height: 36rem; border: 1px solid var(--hair); background: var(--bg-2); }
.cube-wrap canvas { width: 100%; height: 100%; display: block; cursor: grab; }
.cube-side { display: flex; flex-direction: column; gap: 0.5rem; }
.cube-label { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-top: 0.6rem; }
.cube-slices { display: flex; flex-direction: column; gap: 0.3rem; align-items: flex-start; }
.cube-axes { display: grid; gap: 0.3rem; }
.cube-help { margin-top: 0.75rem; font-size: 0.78rem; }
@media (max-width: 900px) { .cube-view { grid-template-columns: 1fr; } .cube-wrap { height: 24rem; } }

/* ---------- signal path ---------- */
.signal-figure { margin-top: 1.25rem; border: 1px solid var(--hair); background: var(--bg-2); padding: 0.5rem; }
.signal-figure svg { width: 100%; height: auto; display: block; }
.signal-key { grid-template-columns: auto 1fr; max-width: 40rem; }
.sig-wire { fill: none; stroke: var(--ink-3); stroke-width: 1.4; }
.sig-ac { stroke-dasharray: 6 3; }
.sig-pulse { stroke-dasharray: 2 3; }
.sig-dc { stroke: var(--steel-2); }
.sig-fil { stroke: var(--ember); stroke-width: 1.2; }
.sig-glass { fill: rgba(239, 231, 220, 0.03); stroke: var(--steel); stroke-width: 1.2; }
.sig-box { fill: var(--bg-3); stroke: var(--steel-2); stroke-width: 1; }
.sig-fil-line { fill: none; stroke: var(--amber); stroke-width: 1.6; }
.sig-grid { stroke: var(--steel); stroke-width: 0.8; stroke-dasharray: 3 3; }
.sig-plate { stroke: var(--ink-2); stroke-width: 2; fill: none; }
.sig-coil { fill: none; stroke: var(--ink-2); stroke-width: 1.4; }
.sig-core { stroke: var(--steel-2); stroke-width: 2; }
.sig-sine { fill: none; stroke: var(--amber); stroke-width: 1.6; }
.sig-name { font-family: var(--font-body); font-size: 12px; fill: var(--ink-2); }
.sig-t { font-family: var(--font-mono); font-size: 10.5px; fill: var(--ink-3); letter-spacing: 0.03em; }
.sig-v { font-family: var(--font-mono); font-size: 11px; fill: var(--amber-2); }
.sig-scope { fill: var(--bg); stroke: var(--hair-2); stroke-width: 1; }
.sig-tr { fill: none; stroke-width: 1.5; }
.sig-tr-hot { stroke: var(--amber); }
.sig-tr-cold { stroke: var(--steel); }
.sig-tr-out { stroke: var(--ink); }
.sig-zero { stroke: var(--hair-2); stroke-dasharray: 2 3; }
.sig-dot { stroke: none; }
.sig-dot-hot { fill: var(--amber); }
.sig-dot-cold { fill: var(--steel); }
.sig-dot-dc { fill: var(--ink-2); }
.sig-dot-fil { fill: var(--ember); }
.sig-dot-out { fill: var(--ink); }
.sig-dot-e { fill: var(--amber-2); }
.cube-labels { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.cube-lab { position: absolute; left: 0; top: 0; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.04em; color: var(--ink-3); white-space: nowrap; transform-origin: 0 0; transition: opacity 0.25s; will-change: transform; }
.cube-lab.x { transform-origin: 0 0; }
.cube-lab.sel { color: var(--amber-2); }
.cube-lab.title { color: var(--amber-2); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; }
.cube-lab.corner { color: var(--ink); font-size: 0.64rem; }
.cube-lab.note { color: var(--ink-3); font-size: 0.6rem; }
.cube-legend { position: absolute; left: 0.75rem; bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); pointer-events: none; }
.cube-legend i { width: 6rem; height: 6px; background: linear-gradient(90deg, #5b7698, #f26a32); }
.cube-legend b { color: var(--ink-2); font-weight: 500; margin-left: 0.25rem; }
.cube-fly { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.cube-note { position: absolute; right: 0.75rem; top: 0.6rem; margin: 0; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.04em; color: var(--ink-3); pointer-events: none; opacity: 0; transition: opacity 0.4s; max-width: 22rem; text-align: right; }

/* sortable market headers, live count, pinned anatomy parts */
.market-count { color: var(--ink-3); font-size: 0.7rem; letter-spacing: 0.06em; margin-top: 0.9rem; }
table.market th .sort { appearance: none; background: none; border: 0; padding: 0; font: inherit; color: inherit; letter-spacing: inherit; text-transform: inherit; cursor: pointer; display: inline-flex; gap: 0.35rem; align-items: center; }
table.market th .sort:hover { color: var(--ink); }
table.market th .sort.on { color: var(--amber-2); }
table.market th .sort::after { content: attr(data-dir); font-size: 0.6em; }
.anatomy-figure .part { cursor: pointer; transition: filter 0.2s; }
.anatomy-figure .part.lit { filter: brightness(1.6); }
.anatomy-figure .part.pinned { filter: brightness(1.8) drop-shadow(0 0 4px rgba(255, 154, 60, 0.6)); }
.anatomy-figure .part:focus-visible { outline: none; filter: brightness(1.8) drop-shadow(0 0 4px rgba(255, 210, 122, 0.8)); }
.market-bar { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.market-sort-mobile { display: none; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); align-items: center; gap: 0.4rem; }
.market-sort-mobile select { font-size: 0.8rem; }
@media (max-width: 860px) { .market-sort-mobile { display: inline-flex; } }

/* persistent dock (wide screens): present from load, builds in fast, never snaps */
@keyframes dockBuild { 0% { opacity: 0; clip-path: inset(0 0 100% 0); filter: contrast(1.6) brightness(1.3); } 60% { opacity: 1; } 100% { opacity: 1; clip-path: inset(0 0 0 0); filter: none; } }
.roll-dock.persistent { transform: translate(0, -50%); animation: dockBuild 0.42s steps(7, end) both; }
.roll-dock.persistent .roll-panel { max-height: calc(100vh - 2.4rem - 2rem); }
.roll-dock.persistent .roll-head p:not(.dock-summary) { display: none; }
.roll-dock.persistent .dock-summary { display: none; }
.roll-dock.persistent .roll-change { display: none; }
.roll-dock.persistent .roll-pool-wrap { max-height: 6.6rem; }
.roll-dock.persistent .meters { gap: 0.2rem 0.45rem; }
.roll-dock.persistent .verdict { font-size: 0.84rem; }
body.dock-on .hero-readout { display: none; }
@media (min-width: 1100px) {
  .roll-dock.persistent .view-toggle { display: none; }
  .roll-dock.persistent .meters[hidden] { display: grid !important; }
  .roll-dock.persistent .spider[hidden] { display: block !important; }
  .roll-dock.persistent .spider { margin-top: 0.5rem; }
  .roll-dock.persistent .spider svg { max-width: 15rem; }
}
@media (prefers-reduced-motion: reduce) { .roll-dock.persistent { animation: none; } }

/* current-tube pills in the roll panel */
.dock-pills { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.6rem; }
.pill { appearance: none; border: 1px solid var(--hair-2); background: transparent; border-radius: 999px; padding: 0.25rem 0.65rem 0.25rem 0.5rem; font: inherit; font-size: 0.76rem; color: var(--ink-2); display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; transition: border-color 0.25s, color 0.25s; }
.pill small { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.pill b { color: var(--ink); font-weight: 500; }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--steel-2); }
.pill .dot.nos { background: var(--amber-2); opacity: 0.6; }
.pill:hover { border-color: var(--steel); }
.pill[aria-pressed="true"] { border-color: var(--ink-2); }
.pill[aria-pressed="true"] .dot { background: var(--amber-2); opacity: 1; box-shadow: 0 0 8px var(--amber), 0 0 2px var(--amber-2); }
.roll-dock.persistent .dock-pills { margin-top: 0.4rem; }
.roll-dock .dock-summary { display: none; }
@media (max-width: 1100px) { .roll-dock:not(.expanded) .dock-pills { display: none; } .roll-dock:not(.expanded) .dock-summary { display: block; } }

/* ---------- price trends ---------- */
.market-toggle { margin-top: 1.5rem; }
.trends { margin-top: 1rem; }
.trend-controls { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; }
.trend-controls label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); display: inline-flex; align-items: center; gap: 0.5rem; }
.trend-controls label.check { text-transform: none; letter-spacing: 0; font-family: var(--font-body); font-size: 0.85rem; color: var(--ink-2); }
.trend-controls select { max-width: 22rem; }
.trend-title { margin-top: 1rem; color: var(--ink-2); font-size: 0.78rem; letter-spacing: 0.04em; }
.trend-chart { position: relative; margin-top: 0.5rem; background: var(--bg-2); border: 1px solid var(--hair); }
.trend-svg { width: 100%; height: auto; display: block; }
.trend-grid { stroke: var(--hair); stroke-width: 1; }
.trend-tick { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-3); }
.trend-line { stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.trend-line.archive { stroke-dasharray: 2 5; }
.trend-dot { stroke-width: 2; paint-order: stroke; }
.trend-dot.stale { stroke-dasharray: 2 2; }
.trend-label { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-2); }
.trend-hair { stroke: var(--ink-3); stroke-width: 1; pointer-events: none; }
.trend-tip { position: absolute; top: 0.5rem; left: 0; background: rgba(13, 11, 9, 0.96); border: 1px solid var(--hair-2); padding: 0.5rem 0.7rem; font-size: 0.72rem; color: var(--ink-2); pointer-events: none; min-width: 14rem; max-width: 16rem; z-index: 3; }
.trend-tip .tip-date { color: var(--ink-3); letter-spacing: 0.08em; margin-bottom: 0.3rem; }
.trend-tip .tip-row { display: flex; align-items: center; gap: 0.45rem; margin-top: 0.15rem; }
.trend-tip .tip-row i { width: 14px; height: 2px; display: inline-block; flex: none; }
.trend-tip .tip-row b { color: var(--ink); font-weight: 600; }
.trend-legend { display: flex; flex-wrap: wrap; gap: 0.3rem 0.5rem; margin-top: 0.75rem; }
.trend-key { appearance: none; background: transparent; border: 1px solid var(--hair-2); border-radius: 999px; color: var(--ink-2); font: inherit; font-size: 0.74rem; padding: 0.2rem 0.6rem; display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; }
.trend-key i { width: 14px; height: 2px; display: inline-block; }
.trend-key.off { opacity: 0.45; }
.trend-strip { margin-top: 1rem; display: grid; gap: 0.25rem; }
.strip-row { display: grid; grid-template-columns: 11rem 1fr; gap: 0.75rem; align-items: center; }
.strip-name { font-size: 0.78rem; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.strip-cells { display: flex; gap: 2px; flex-wrap: wrap; }
.strip-cell { width: 10px; height: 10px; display: inline-block; background: var(--cold); }
.strip-cell.in_stock { background: var(--amber); box-shadow: 0 0 4px rgba(255, 154, 60, 0.6); }
.strip-cell.out_of_stock { background: var(--steel-2); }
.strip-cell.inquire, .strip-cell.unknown { background: transparent; outline: 1px dashed var(--steel); outline-offset: -1px; }
.strip-cell.unverified { background: transparent; outline: 1px dotted var(--hair-2); outline-offset: -1px; }
@media (max-width: 860px) { .strip-row { grid-template-columns: 1fr; gap: 0.2rem; } .trend-tip { max-width: 12rem; } }

/* ---------- site strip: other amp pages and tools (trackfans-style series nav) ---------- */
.site-nav__build { font-size: 0.6rem; letter-spacing: 0.08em; color: var(--ink-3); margin-left: 0.55rem; align-self: center; white-space: nowrap; }
.site-nav__build[data-build="dev"] { color: var(--amber-2); opacity: 0.7; }
.site-nav { position: fixed; top: 0; left: var(--rail-w); right: 0; height: 2.4rem; z-index: 25; background: rgba(7, 6, 5, 0.9); border-bottom: 1px solid var(--hair); backdrop-filter: blur(6px); }
.site-nav__inner { height: 100%; display: flex; align-items: center; gap: 1.25rem; padding: 0 1.5rem; overflow-x: auto; white-space: nowrap; }
.site-nav__brand { font-family: var(--font-display); font-weight: 300; font-size: 1.05rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); text-decoration: none; }
.site-nav__brand b { font-weight: 800; color: var(--ink); }
.site-nav__group { display: inline-flex; align-items: center; gap: 0.6rem; }
.site-nav__label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.site-nav__link { font-family: var(--font-body); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.04em; color: var(--ink-2); text-decoration: none; display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.2rem 0; border-bottom: 1px solid transparent; }
.site-nav__link:hover { color: var(--ink); }
.site-nav__link[aria-current="page"] { color: var(--amber-2); }
.site-nav__link[aria-current="page"]::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--amber-2); box-shadow: 0 0 6px var(--amber); }
.site-nav__link.is-planned { color: var(--ink-3); cursor: default; }
.site-nav__link small { font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase; border: 1px solid var(--hair-2); border-radius: 999px; padding: 0.05rem 0.4rem; }
.site-nav__link svg { width: 9px; height: 9px; }
.site-nav__right { margin-left: auto; }
main { padding-top: 2.4rem; }
.hero-sticky { top: 2.4rem; height: calc(100svh - 2.4rem); }
.hero { height: calc(300vh - 2.4rem); }
.roll-dock.persistent { top: calc(50% + 1.2rem); }
@media (max-width: 860px) {
  .site-nav { left: 0; }
  .site-nav__inner { padding: 0 0.75rem; gap: 0.9rem; }
  .hero-sticky { top: auto; height: auto; }
  .hero { height: auto; }
}

/* anchors land below the fixed site strip */
.sheet, .kb-page, .kb-entry, .bench-card { scroll-margin-top: 3.2rem; }