/* Entangle v2 — qompute skin (Geist lowercase headlines, mono labels, black smoke, light buttons, device cards)
   on top of agencypad /unbound's product core (mono live floor, square corners, tags, directory grid). */
:root {
  --bg: #050608;
  --panel: #0b0c0f;
  --panel-2: #101216;
  --line: rgba(236, 238, 240, .10);
  --line-2: rgba(236, 238, 240, .18);
  --ink: #eceef0;
  --ink-2: #a3a7ae;
  --ink-3: #6b7078;
  --warm: #ece9df;
  --accent: #d38c45;       /* sampled from the chandelier photograph (tools/art.py) */
  --ok: #4ade80;
  --warn: #f5c542;
  --bad: #ff5a4e;
  --blue: #8ab4ff;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --pixel: "Silkscreen", var(--mono);
  --r: 11px;
  --gut: max(24px, env(safe-area-inset-left));
  --max: 1180px;
  --nav: 56px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); letter-spacing: -.01em; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; z-index: -2; background: #050608 url(art/smoke.webp) center/cover no-repeat; opacity: .9; }
body::after { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(236,238,240,.06) 1px, transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(180deg, rgba(0,0,0,.6), rgba(0,0,0,.25)); -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.6), rgba(0,0,0,.25)); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
::selection { background: var(--ink); color: #000; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.mono { font-family: var(--mono); letter-spacing: 0; }
.pixel { font-family: var(--pixel); font-size: 10px; letter-spacing: .04em; color: var(--ink-3); text-transform: lowercase; }
.muted { color: var(--ink-2); }

/* ---------- nav (qompute) ---------- */
.nav { position: sticky; top: 0; z-index: 40; height: calc(var(--nav) + env(safe-area-inset-top)); padding-top: env(safe-area-inset-top);
  background: rgba(5,6,8,.78); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav .in { height: var(--nav); display: flex; align-items: center; gap: 22px; max-width: 1360px; margin: 0 auto; padding: 0 var(--gut); }
.wordmark { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 15px; letter-spacing: -.03em; }
.wordmark .glyph { width: 20px; height: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.wordmark .glyph i { background: var(--ink); border-radius: 1px; opacity: .35; } .wordmark .glyph i:nth-child(odd) { opacity: 1; }
.nav nav { display: flex; gap: 18px; font-size: 13.5px; color: var(--ink-2); }
.nav nav a:hover, .nav nav a.on { color: var(--ink); }
.nav .right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.pillbtn { height: 30px; padding: 0 10px; display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-2); border-radius: 8px; background: rgba(236,238,240,.03); font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.pillbtn:hover { color: var(--ink); border-color: rgba(236,238,240,.3); }
.pillbtn kbd { font: inherit; font-size: 10px; padding: 1px 5px; border: 1px solid var(--line-2); border-radius: 4px; color: var(--ink-3); }
.pillbtn.icon { width: 30px; padding: 0; justify-content: center; }
.menu-btn { display: none; width: 34px; height: 30px; border: 1px solid var(--line-2); border-radius: 8px; background: none; cursor: pointer; }
.menu-btn span { display: block; width: 14px; height: 1.5px; background: var(--ink); margin: 3px auto; }
.sheet { display: none; position: fixed; inset: calc(var(--nav) + env(safe-area-inset-top)) 0 0 0; z-index: 39; background: rgba(5,6,8,.97); padding: 22px var(--gut); }
.sheet a { display: block; font-size: 26px; font-weight: 600; letter-spacing: -.03em; padding: 10px 0; border-bottom: 1px solid var(--line); }
body.menu .sheet { display: block; }

/* ---------- buttons (qompute) ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 40px; padding: 0 18px; border-radius: var(--r); border: 1px solid transparent;
  background: var(--ink); color: #050608; font-weight: 500; font-size: 14.5px; letter-spacing: -.01em; cursor: pointer; white-space: nowrap; transition: transform .15s, background .15s, border-color .15s; }
.btn:hover { background: #fff; } .btn:active { transform: translateY(1px); }
.btn .g { font-family: var(--mono); font-size: 13px; opacity: .7; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-2); } .btn.ghost:hover { background: rgba(236,238,240,.06); border-color: rgba(236,238,240,.35); }
.btn.sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn.lg { height: 46px; padding: 0 22px; font-size: 15.5px; }
.btn:disabled { opacity: .4; cursor: default; }
.btn.accent { background: var(--accent); color: #140d04; } .btn.accent:hover { background: #e39c55; }
.lnk { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); display: inline-flex; align-items: center; gap: 6px; }
.lnk:hover { color: var(--ink); } .lnk::after { content: "→"; }

/* ---------- type ---------- */
.h-hero { font-size: clamp(46px, 7.6vw, 96px); line-height: .98; font-weight: 600; letter-spacing: -.055em; margin: 0; text-transform: lowercase; }
.h-sec { font-size: clamp(36px, 4.6vw, 56px); line-height: 1.02; font-weight: 600; letter-spacing: -.05em; margin: 0; text-transform: lowercase; }
.h-sm { font-size: clamp(24px, 2.6vw, 30px); line-height: 1.1; font-weight: 600; letter-spacing: -.035em; margin: 0; text-transform: lowercase; }
.lede { font-size: 15.5px; line-height: 1.6; color: var(--ink-2); max-width: 36em; margin: 18px 0 0; }
.lede b { color: var(--ink); font-weight: 500; }
.ctas { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
/* labels (v0.3.2): plain mono text, colour only. No filled pills. */
.tag { display: inline-flex; align-items: center; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0; text-transform: lowercase; color: var(--ink-2); white-space: nowrap; }
.tag.ok { color: var(--ok); } .tag.warn { color: var(--warn); } .tag.bad { color: var(--bad); } .tag.acc { color: var(--accent); } .tag.blue { color: var(--ink-2); } .tag.solid { color: var(--ok); }
/* check label on issue cards + pages: one quiet line of text */
.chk { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.chk.auto { color: var(--ink-2); }
.chk.auto::before { content: ""; width: 9px; height: 5px; border: solid currentColor; border-width: 0 0 1.5px 1.5px; transform: rotate(-45deg) translateY(-2px); }
.chk.ok { color: var(--ok); } .chk.on { color: var(--accent); }
/* difficulty: a 5-box stat bar, one hue, filled boxes = harder */
.meter { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); white-space: nowrap; text-transform: lowercase; letter-spacing: 0; }
.meter .bars { display: inline-flex; gap: 3px; }
.meter .bars i { width: 14px; height: 7px; background: rgba(236,238,240,.1); border-radius: 1px; }
.meter .bars i.f { background: var(--ink); }
.meter .w { min-width: 3.4em; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; }
.live { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11.5px; color: var(--bad); letter-spacing: .04em; }
.live i { width: 6px; height: 6px; border-radius: 50%; background: var(--bad); box-shadow: 0 0 10px var(--bad); }
.live span { color: var(--ink-3); }

/* ---------- sections + pairs (qompute) ---------- */
.sec { padding: 96px 0; }
.sec.tight { padding: 64px 0; }
.pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; min-height: 72vh; }
.pair.flip > .device { order: -1; }
.pair .copy > * { max-width: 540px; }
.pair .copy .h-hero, .pair .copy .h-sec { max-width: 8.5em; }

/* device card: a photograph framed like an instrument, with a mono readout */
.device { position: relative; border: 1px solid var(--line-2); border-radius: 14px; background: var(--panel); overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.04); }
.device::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(236,238,240,.07) 1px, transparent 1px); background-size: 14px 14px; pointer-events: none; }
.device .ph { aspect-ratio: 4 / 3; width: 100%; object-fit: cover; object-position: var(--pos, 50% 50%); filter: saturate(.9); }
.device .read { position: relative; border-top: 1px solid var(--line); padding: 12px 14px; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); background: rgba(5,6,8,.7); }
.device .read b { color: var(--ink); font-weight: 500; }
.device .corner { position: absolute; top: 12px; left: 12px; z-index: 1; display: flex; gap: 6px; }
.device .corner .tag { background: rgba(5,6,8,.7); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }

/* the bit map on the hero device (data chart: one cell per bit 1..256) */
.bitmap { position: absolute; right: 14px; bottom: 56px; display: grid; grid-template-columns: repeat(16, 9px); gap: 3px; padding: 8px; background: rgba(5,6,8,.72); border: 1px solid var(--line-2); border-radius: 8px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.bitmap i { width: 9px; height: 9px; border-radius: 2px; background: rgba(236,238,240,.12); }
.bitmap i.on { background: var(--ink); } .bitmap i.live { background: var(--accent); } .bitmap i.goal { background: var(--bad); }
@keyframes blink { 50% { opacity: .35; } }
.bitmap .lbl { grid-column: 1 / -1; font-family: var(--pixel); font-size: 9px; color: var(--ink-3); margin-top: 4px; }

/* ---------- stat row + flip clock ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: 14px; background: rgba(11,12,15,.7); overflow: hidden; }
.stats > div { padding: 22px 24px; border-left: 1px solid var(--line); }
.stats > div:first-child { border-left: 0; }
.stats b { display: block; font-family: var(--mono); font-size: 34px; font-weight: 500; letter-spacing: -.03em; line-height: 1; }
.stats span { display: block; margin-top: 8px; font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: .04em; }
.clock { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.clock .grp { text-align: center; }
.clock .digits { display: flex; gap: 4px; }
.clock .d { width: 44px; height: 60px; border-radius: 7px; background: linear-gradient(180deg, #16181d 0 49%, #0d0f12 51% 100%); border: 1px solid var(--line-2); display: grid; place-items: center; font-family: var(--mono); font-size: 34px; font-weight: 500; color: var(--ink); position: relative; }
.clock .d::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: rgba(0,0,0,.7); }
.clock .u { font-family: var(--pixel); font-size: 9px; color: var(--ink-3); margin-top: 8px; }

/* ---------- the floor (unbound) ---------- */
.floor { font-family: var(--mono); letter-spacing: 0; color: var(--warm); display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, .95fr); gap: 12px; }
.col { border: 1px solid var(--line); background: rgba(11,12,15,.8); display: flex; flex-direction: column; min-height: 520px; max-height: 640px; }
.col > h3 { margin: 0; padding: 10px 14px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; font-weight: 500; }
.col .body { overflow: auto; flex: 1; scrollbar-width: thin; scrollbar-color: rgba(236,238,240,.15) transparent; }
.post { padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 12.5px; }
.post .h { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; }
.post .h img, .ph0 { width: 22px; height: 22px; object-fit: cover; background: #1c1f25; flex: none; }
.post .h .n { font-weight: 700; font-size: 12.5px; } .post .h .tk { color: var(--ink-3); font-size: 11px; }
.post .h .tm { margin-left: auto; font-size: 10.5px; color: var(--ink-3); }
.post p { margin: 0; color: rgba(236,233,223,.85); line-height: 1.5; font-family: var(--sans); font-size: 13.5px; letter-spacing: -.005em; }
.tape { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.tape th { position: sticky; top: 0; background: #0b0c0f; text-align: left; font-weight: 500; font-size: 10px; letter-spacing: .1em; color: var(--ink-3); padding: 8px 12px; border-bottom: 1px solid var(--line); }
.tape td { padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tape tr:hover td { background: rgba(236,238,240,.03); cursor: pointer; }
.tape td.t { color: var(--ink-3); font-size: 10.5px; }
.tape td.r { text-align: right; }
.spot { position: relative; aspect-ratio: 16 / 10; background: #000; overflow: hidden; border-bottom: 1px solid var(--line); }
.spot img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.spot .t { position: absolute; left: 14px; right: 14px; bottom: 12px; }
.spot .tk { font-size: 26px; font-weight: 800; letter-spacing: -.04em; text-shadow: 0 2px 20px rgba(0,0,0,.8); }
.spot .sub { font-size: 11px; color: var(--ink-2); margin-top: 2px; }
.rank { display: grid; grid-template-columns: 18px 22px 1fr auto auto; gap: 10px; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--line); font-size: 11.5px; }
.rank .i { color: var(--ink-3); font-size: 10.5px; } .rank img { width: 22px; height: 22px; object-fit: cover; }
.rank .nm { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank .mc { color: var(--ink-2); } .rank .st { font-size: 10px; }
.none { padding: 22px 14px; color: var(--ink-3); font-size: 12px; line-height: 1.6; }
.none a { color: var(--warm); text-decoration: underline; }
.floor-tabs { display: none; }

/* ---------- panels, tabs, bullets ---------- */
.panel { border: 1px solid var(--line); border-radius: 14px; background: rgba(11,12,15,.75); padding: 26px 28px; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 22px; overflow-x: auto; scrollbar-width: none; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 10px 14px; font-size: 13px; color: var(--ink-3); cursor: pointer; white-space: nowrap; margin-bottom: -1px; }
.tabs button.on { color: var(--ink); border-bottom-color: var(--ink); }
.bul { list-style: none; margin: 16px 0 0; padding: 0; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); display: grid; gap: 8px; }
.bul li { padding-left: 16px; position: relative; } .bul li::before { content: ""; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; background: var(--blue); border-radius: 1px; }
.code { font-family: var(--mono); font-size: 12px; line-height: 1.7; color: var(--ink-2); background: #050608; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; white-space: pre-wrap; word-break: break-all; }
.code .ok { color: var(--ok); } .code .no { color: var(--bad); } .code .k { color: var(--blue); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px 14px; font-family: var(--mono); font-size: 12px; }
.kv dt { color: var(--ink-3); } .kv dd { margin: 0; color: var(--ink); word-break: break-all; }

/* ---------- horizontal rail (qompute "road") ---------- */
.rail { display: grid; grid-auto-flow: column; grid-auto-columns: 232px; gap: 10px; overflow-x: auto; padding: 4px var(--gut) 18px; scroll-snap-type: x proximity; scrollbar-width: none; cursor: grab; }
.rail::-webkit-scrollbar { display: none; }
.rail .card { scroll-snap-align: start; border: 1px solid var(--line); border-radius: 12px; background: rgba(11,12,15,.8); padding: 16px 16px 14px; min-height: 150px; display: flex; flex-direction: column; gap: 6px; position: relative; }
.rail .card .yr { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); display: flex; gap: 8px; align-items: center; }
.rail .card .yr i { width: 6px; height: 6px; background: var(--ink-3); } .rail .card.solved .yr i { background: var(--ok); } .rail .card.live .yr i { background: var(--accent); }
.rail .card h4 { margin: 2px 0 0; font-size: 17px; font-weight: 600; letter-spacing: -.03em; }
.rail .card p { margin: 0; font-size: 12.5px; color: var(--ink-2); line-height: 1.5; }
.rail .card .ft { margin-top: auto; font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); padding-top: 8px; }
.rail .card:hover { border-color: var(--line-2); }

/* ---------- terminal log (qompute watchtower) ---------- */
.term { border: 1px solid var(--line); border-radius: 12px; background: #050608; font-family: var(--mono); font-size: 12px; overflow: hidden; }
.term .bar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--line); color: var(--ink-3); font-size: 11px; }
.term .bar i { width: 8px; height: 8px; border-radius: 50%; background: #2a2d33; } .term .bar i:first-child { background: #ff5f57; } .term .bar i:nth-child(2) { background: #febc2e; } .term .bar i:nth-child(3) { background: #28c840; }
.term .lines { max-height: 420px; overflow: auto; padding: 10px 0; }
.term .ln { display: grid; grid-template-columns: 44px 70px 1fr; gap: 12px; padding: 5px 14px; color: var(--ink-2); line-height: 1.5; }
.term .ln:hover { background: rgba(236,238,240,.03); }
.term .ln .t { color: var(--ink-3); } .term .ln .k { font-size: 10px; letter-spacing: .08em; text-transform: uppercase; padding-top: 2px; }
.term .ln .k.started, .term .ln .k.update { color: var(--blue); } .term .ln .k.solved, .term .ln .k.reviewed { color: var(--ok); } .term .ln .k.claimed, .term .ln .k.reproducing { color: var(--warn); } .term .ln .k.not_reproduced, .term .ln .k.closed { color: var(--bad); }
.term .ln a { color: var(--warm); } .term .ln a:hover { text-decoration: underline; }
.cursor { display: inline-block; width: 7px; height: 13px; background: var(--ink); vertical-align: -2px; }

/* ---------- directory grid (unbound) ---------- */
.dir-h { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; font-family: var(--mono); }
.dir-h .meta { font-size: 11.5px; color: var(--ink-3); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; font-family: var(--mono); }
.filters input { height: 32px; flex: 1 1 220px; max-width: 320px; padding: 0 12px; border: 1px solid var(--line-2); background: rgba(236,238,240,.03); color: var(--ink); font: inherit; font-size: 12px; border-radius: 8px; outline: none; }
.filters input:focus { border-color: rgba(236,238,240,.4); }
.fbtn { height: 30px; padding: 0 11px; border: 1px solid var(--line); background: rgba(236,238,240,.02); color: var(--ink-2); font: inherit; font-size: 11.5px; cursor: pointer; border-radius: 7px; white-space: nowrap; }
.fbtn.on { background: var(--warm); color: #050608; border-color: var(--warm); }
.fbtn .c { opacity: .55; margin-left: 5px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.jc { border: 1px solid var(--line); background: rgba(11,12,15,.85); font-family: var(--mono); overflow: hidden; display: flex; flex-direction: column; transition: border-color .15s; }
.jc:hover { border-color: var(--line-2); }
.jc .im { position: relative; aspect-ratio: 1; background: #000; }
.jc .im img { width: 100%; height: 100%; object-fit: cover; }
.jc .im .tl { position: absolute; top: 8px; left: 8px; } .jc .im .tr { position: absolute; top: 8px; right: 8px; font-size: 10px; color: var(--ink-2); background: rgba(5,6,8,.7); padding: 2px 6px; }
.jc .nm { padding: 10px 12px 2px; font-size: 13px; font-weight: 700; display: flex; gap: 8px; align-items: baseline; }
.jc .nm small { color: var(--ink-3); font-weight: 400; font-size: 11px; }
.jc .row { display: grid; grid-template-columns: 1fr 1fr 1fr; padding: 8px 12px 10px; gap: 6px; }
.jc .row span { font-size: 9.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); display: block; }
.jc .row b { font-weight: 500; font-size: 12px; }
.jc .ft { border-top: 1px solid var(--line); padding: 8px 12px; font-size: 11px; color: var(--ink-2); display: flex; justify-content: space-between; }
.ic { border: 1px solid var(--line); background: rgba(11,12,15,.85); padding: 16px 16px 14px; display: flex; flex-direction: column; gap: 8px; min-height: 150px; cursor: pointer; text-align: left; font-family: var(--sans); transition: border-color .15s; border-radius: 10px; }
.ic:hover { border-color: var(--line-2); }
.ic .top { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.ic h4 { margin: 0; font-size: 15.5px; font-weight: 600; letter-spacing: -.02em; line-height: 1.3; }
.ic .est { font-family: var(--mono); font-size: 11.5px; color: var(--ink-2); margin-top: auto; }
.ic .ft { display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); }
.tier { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.tier.easy { color: var(--blue); } .tier.mid { color: var(--accent); } .tier.hard { color: #ff9f0a; } .tier.legend { color: #ff6482; } .tier.open { color: #c084fc; }

/* ---------- forms ---------- */
.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.inp { width: 100%; height: 42px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--line-2); background: rgba(5,6,8,.7); color: var(--ink); font: inherit; font-size: 14px; outline: none; }
textarea.inp { height: auto; min-height: 110px; padding: 11px 12px; resize: vertical; line-height: 1.5; }
.inp:focus { border-color: rgba(236,238,240,.45); }
.inp.mono { font-family: var(--mono); font-size: 12.5px; }
select.inp { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 18px) 18px, calc(100% - 13px) 18px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
.seg { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.seg button { height: 32px; padding: 0 12px; border: 1px solid var(--line); background: rgba(236,238,240,.02); color: var(--ink-2); font: inherit; font-family: var(--mono); font-size: 11.5px; cursor: pointer; border-radius: 7px; }
.seg button.on { background: var(--warm); color: #050608; border-color: var(--warm); }
.err { font-family: var(--mono); font-size: 12px; color: var(--bad); margin-top: 10px; line-height: 1.5; }
.note { font-family: var(--mono); font-size: 11px; color: var(--ink-3); line-height: 1.55; }
.modal { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.72); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); display: flex; align-items: center; justify-content: center; padding: 16px; opacity: 0; pointer-events: none; transition: opacity .2s; }
.modal.open { opacity: 1; pointer-events: auto; }
.modal .card { width: 100%; max-width: 720px; max-height: 92vh; overflow: auto; background: var(--panel); border: 1px solid var(--line-2); border-radius: 14px; }
.modal .x { position: sticky; top: 10px; float: right; margin: 10px 10px 0 0; width: 30px; height: 30px; border-radius: 7px; border: 1px solid var(--line-2); background: rgba(5,6,8,.8); cursor: pointer; font-family: var(--mono); z-index: 2; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 44px 0 calc(44px + env(safe-area-inset-bottom)); margin-top: 60px; font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }
.foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; }
.foot h5 { margin: 0 0 12px; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.foot a { display: block; color: var(--ink-2); margin-bottom: 8px; } .foot a:hover { color: var(--ink); }
.foot p { margin: 0 0 10px; line-height: 1.6; max-width: 40em; }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.1,1); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- tablet / phone ---------- */
@media (max-width: 1080px) { .grid { grid-template-columns: repeat(3, 1fr); } .floor { grid-template-columns: 1fr 1fr; } .floor .col:last-child { grid-column: 1 / -1; } }
@media (max-width: 833px) {
  .nav nav, .nav .hide-s { display: none; } .menu-btn { display: block; }
  .sec { padding: 64px 0; }
  .pair { grid-template-columns: 1fr; gap: 24px; min-height: 0; } .pair.flip > .device { order: 0; }
  .pair .copy > * { max-width: none; }
  .stats { grid-template-columns: 1fr 1fr; } .stats > div:nth-child(3) { border-left: 0; } .stats > div { border-top: 1px solid var(--line); } .stats > div:nth-child(-n+2) { border-top: 0; }
  .stats b { font-size: 26px; }
  .clock .d { width: 34px; height: 48px; font-size: 26px; }
  .floor { grid-template-columns: 1fr; } .floor .col { display: none; min-height: 0; max-height: none; } .floor .col.show { display: flex; } .floor .col:last-child { grid-column: auto; }
  .floor-tabs { display: flex; margin-bottom: 10px; }
  .grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .foot .cols { grid-template-columns: 1fr 1fr; }
  .bitmap { grid-template-columns: repeat(16, 6px); gap: 2px; right: 10px; bottom: 50px; } .bitmap i { width: 6px; height: 6px; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; } .kv dd { margin-bottom: 8px; }
}
@media (max-width: 480px) { .grid { grid-template-columns: 1fr; } }

/* ---------- research pages (v0.3: issue.html + research.html) ---------- */
.doc { padding-bottom: 96px; }
.doc-head { padding: 44px 0 30px; border-bottom: 1px solid var(--line); }
.doc-head .h-sec { max-width: 17em; margin-top: 14px; }
.doc-head .lede { max-width: 44em; }
.crumbs { display: flex; gap: 8px; font-size: 11.5px; color: var(--ink-3); }
.crumbs a:hover { color: var(--ink); } .crumbs b { color: var(--ink); font-weight: 500; }
.doc-tags { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 18px; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 26px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.facts > div { background: rgba(11,12,15,.92); padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.facts span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.facts b { font-weight: 500; font-size: 14px; line-height: 1.35; overflow-wrap: anywhere; }
.doc-grid { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 56px; align-items: start; }
.doc-body { min-width: 0; max-width: 760px; }
.doc-body p { color: var(--ink-2); font-size: 15px; line-height: 1.7; margin: 0 0 14px; }
.doc-body p.note { font-size: 11.5px; }
.doc-lead { color: var(--ink) !important; font-size: 17px !important; line-height: 1.6 !important; }
.doc-h { display: flex; align-items: baseline; gap: 14px; font-size: 26px; font-weight: 600; letter-spacing: -.035em; margin: 56px 0 18px; text-transform: lowercase; scroll-margin-top: calc(var(--nav) + 20px); }
.doc-h span { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.doc-h3 { font-size: 13px; font-family: var(--mono); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 26px 0 10px; }
.doc-kv { grid-template-columns: 190px 1fr; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: rgba(11,12,15,.7); margin: 0 0 16px; }
.doc-kv dd { word-break: normal; overflow-wrap: anywhere; color: var(--ink); }
.doc-kv dd.mono { font-size: 11.5px; }
.doc-kv sup, .lad sup, .qt sup { font-size: .72em; }
.doc-side { position: sticky; top: calc(var(--nav) + 24px); padding-top: 56px; }
.side-in { display: flex; flex-direction: column; }
.side-in .btn { width: 100%; }
.toc { display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.toc a { font-size: 13px; color: var(--ink-2); padding: 5px 0 5px 14px; margin-left: -1px; border-left: 1px solid transparent; }
.toc a:hover { color: var(--ink); border-left-color: var(--ink); }
.toc a.sub { font-family: var(--mono); font-size: 11px; padding-left: 24px; color: var(--ink-3); }
.pn { display: flex; flex-direction: column; gap: 8px; }
.pn a { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13px; line-height: 1.35; }
.pn a:hover { border-color: var(--line-2); }
.pn a span { display: block; font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); margin-bottom: 3px; }
/* ladder chart: one hue, the current issue in the accent */
.lad { margin: 6px 0 18px; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px 10px; background: rgba(11,12,15,.7); }
.lad figcaption { display: flex; justify-content: space-between; gap: 12px; font-size: 12.5px; color: var(--ink-2); margin-bottom: 10px; }
.lad figcaption .mono { font-size: 10.5px; color: var(--ink-3); }
.lad-r { display: grid; grid-template-columns: 40px minmax(0, 1fr) 62px minmax(0, 1.1fr); gap: 12px; align-items: center; padding: 4px 0; font-family: var(--mono); font-size: 11px; color: var(--ink-3); border-radius: 4px; }
.lad-r:hover { color: var(--ink); }
.lad-r .bar { height: 10px; position: relative; }
.lad-r .bar i { position: absolute; left: 0; top: 0; bottom: 0; background: rgba(236,238,240,.22); border-radius: 0 4px 4px 0; }
.lad-r:hover .bar i { background: rgba(236,238,240,.4); }
.lad-r.on { color: var(--ink); } .lad-r.on .bar i { background: var(--accent); }
.lad-r .v { color: var(--ink-2); text-align: right; } .lad-r.on .v { color: var(--ink); }
.lad-r .e { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rec { border-top: 1px solid var(--line); margin-bottom: 8px; }
.rec-row { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.rec-row > .mono { font-size: 12px; color: var(--ink-3); padding-top: 3px; }
.rec-row p { margin: 0 !important; }
.cite { font-size: 11px; color: var(--blue); white-space: nowrap; }
.cite:hover { color: var(--ink); }
.famtag { font-size: 10px; color: var(--ink-3); border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; margin-left: 4px; white-space: nowrap; }
.qt { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 0 0 16px; }
.qt th, .qt td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.qt th { font-weight: 400; color: var(--ink-2); }
.qt td.mono { font-size: 12.5px; color: var(--ink); }
.qt td:last-child { text-align: right; padding-right: 0; width: 40px; }
.qt tr.grp th { padding-top: 22px; color: var(--ink); font-weight: 600; letter-spacing: -.01em; }
.openq { margin: 0 0 12px; padding-left: 22px; color: var(--ink-2); line-height: 1.65; }
.openq li { padding: 4px 0; } .openq li::marker { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.jlist { display: flex; flex-direction: column; gap: 8px; }
.jrow { display: grid; grid-template-columns: 90px 1fr auto 90px; gap: 12px; align-items: center; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 13.5px; }
.jrow:hover { border-color: var(--line-2); }
.igrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.doc-body .igrid { grid-template-columns: repeat(2, 1fr); }
.bib { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.bib li { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--nav) + 20px); }
.bib li:target { background: rgba(138,180,255,.06); }
.bib .n { font-size: 11px; color: var(--ink-3); padding-top: 2px; }
.bib b { display: block; font-weight: 500; font-size: 14px; line-height: 1.4; }
.bib span { display: block; font-size: 12.5px; color: var(--ink-3); margin-top: 3px; }
.bib .links { display: flex; gap: 14px; font-family: var(--mono); font-size: 11px; }
.bib .links a { color: var(--ink-2); } .bib .links a:hover { color: var(--ink); }
.panel.cite { margin-top: 26px; padding: 18px 20px; }
.panel.cite .code { margin-bottom: 12px; word-break: normal; }
.famgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.famc { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: rgba(11,12,15,.7); display: flex; flex-direction: column; gap: 6px; }
.famc:hover { border-color: var(--line-2); }
.famc .top { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-3); }
.famc h4 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -.02em; }
.famc p { margin: 0 !important; font-size: 13px !important; line-height: 1.5 !important; }
.dossier { padding: 30px 0 18px; border-top: 1px solid var(--line); scroll-margin-top: calc(var(--nav) + 20px); }
.dossier .h-sm { margin-bottom: 14px; }
.ilist { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.ilist a { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); }
.ilist a:hover { color: var(--ink); }
.ilist .mono { font-size: 11px; color: var(--ink-3); padding-top: 2px; }
.gloss { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.gloss > div { background: rgba(11,12,15,.95); padding: 14px 16px; scroll-margin-top: calc(var(--nav) + 20px); }
.gloss > div:target { background: #12141a; }
.gloss dt { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.gloss dd { margin: 0; font-size: 13px; color: var(--ink-2); line-height: 1.55; }
.rsearch { margin-top: 24px; max-width: 640px; }
.rsearch input { width: 100%; height: 44px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 10px; background: rgba(236,238,240,.03); color: var(--ink); font: 14px var(--sans); outline: none; }
.rsearch input:focus { border-color: rgba(236,238,240,.4); }
.rres { margin-top: 10px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--panel); }
.rres .eyebrow { margin: 10px 0 6px; } .rres .eyebrow:first-child { margin-top: 0; }
.rres a { display: grid; grid-template-columns: 54px 1fr; gap: 10px; padding: 5px 0; font-size: 13.5px; color: var(--ink-2); }
.rres a:hover { color: var(--ink); } .rres a .mono { font-size: 11px; color: var(--ink-3); padding-top: 2px; }
.sigs { max-height: 180px; overflow: auto; }
@media (max-width: 1080px) { .doc-grid { grid-template-columns: minmax(0, 1fr); } .doc-side { display: none; } .igrid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 833px) {
  .facts { grid-template-columns: 1fr 1fr; } .doc-kv { grid-template-columns: 1fr; } .igrid, .doc-body .igrid, .famgrid, .gloss { grid-template-columns: 1fr; }
  .lad-r { grid-template-columns: 34px minmax(0, 1fr) 54px; } .lad-r .e { display: none; }
  .rec-row { grid-template-columns: 1fr; gap: 4px; } .jrow { grid-template-columns: 70px 1fr auto; } .jrow > :last-child { display: none; }
  .doc-h { font-size: 22px; margin-top: 44px; }
}

/* ---------- data devices (v0.3: photographs removed; devices show numbers, not pictures) ---------- */
.dv { position: relative; padding: 56px 22px 22px; display: flex; flex-direction: column; gap: 14px; min-height: 260px; justify-content: center; }
.dv .big { font-family: var(--mono); font-size: clamp(30px, 4vw, 46px); letter-spacing: -.03em; color: var(--ink); line-height: 1.05; }
.dv .big sup { font-size: .55em; }
.dv .sub { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }
.dv .rows { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.dv .rows div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.dv .rows div b { color: var(--ink); font-weight: 500; }
.dv .rows div.on { color: var(--ink); } .dv .rows div.on b { color: var(--accent); }
.dv .hex { font-family: var(--mono); font-size: 11px; color: var(--ink-2); word-break: break-all; line-height: 1.6; }
.device.dvhero .bitmap { position: static; margin: 0 auto; grid-template-columns: repeat(16, 16px); gap: 5px; padding: 0; background: none; border: 0; -webkit-backdrop-filter: none; backdrop-filter: none; }
.device.dvhero .bitmap i { width: 16px; height: 16px; border-radius: 3px; }
.device.dvhero .dv { min-height: 0; padding: 60px 22px 26px; }
@media (max-width: 833px) { .device.dvhero .bitmap { grid-template-columns: repeat(16, minmax(0, 1fr)); gap: 3px; width: 100%; right: auto; bottom: auto; } .device.dvhero .bitmap i { width: auto; height: auto; aspect-ratio: 1; } }

.doc-tags { gap: 18px; }
.ic .top { align-items: center; }
.rail .card .yr { display: flex; justify-content: space-between; align-items: center; gap: 10px; }

/* ---------- v0.5: measure this device, measured rates, contributions ---------- */
.bench { display: grid; grid-template-columns: 1fr auto; gap: 10px 16px; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 0 0 16px; background: rgba(11,12,15,.7); }
.bench-t > b { display: block; font-weight: 600; font-size: 14px; }
.bench-t > span { display: block; font-size: 13px; color: var(--ink-2); margin-top: 2px; line-height: 1.5; }
.bench-out { grid-column: 1 / -1; font-size: 12px; color: var(--ink-2); line-height: 1.7; border-top: 1px solid var(--line); padding-top: 10px; }
.bench-out b { color: var(--ink); font-weight: 500; }
.bench-out .muted { color: var(--ink-3); font-size: 11px; }
.qt.mt thead th, .qt.mt thead td { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; }
.qt .muted { color: var(--ink-3); font-size: 12px; }
.contrib { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: rgba(11,12,15,.7); display: flex; flex-direction: column; gap: 12px; margin-bottom: 8px; }
.cf { display: flex; flex-direction: column; gap: 6px; }
.cf span { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.cf input, .cf textarea, .cf select { width: 100%; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: 9px; background: rgba(236,238,240,.03); color: var(--ink); font: 14px/1.5 var(--sans); outline: none; }
.cf select { font-family: var(--mono); font-size: 12.5px; }
.cf input:focus, .cf textarea:focus, .cf select:focus { border-color: rgba(236,238,240,.4); }
.cf textarea { resize: vertical; min-height: 96px; }
.cf-m { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cf-m[hidden] { display: none; }
.cf-go { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.notes { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }
.cnote { border-left: 2px solid var(--line-2); padding: 4px 0 4px 14px; }
.cnote .h { display: flex; justify-content: space-between; gap: 12px; font-size: 11px; color: var(--ink-3); }
.cnote p { margin: 6px 0 !important; }
@media (max-width: 833px) { .bench { grid-template-columns: 1fr; } .cf-m { grid-template-columns: 1fr; } }

.h-sec.keepcase { text-transform: none; }