/* Project site styles. Same visual language as balalaika.ai: light paper, near-black ink, Helvetica headings,
 * monospace for labels and metadata, hairline rules, no cards with shadows. The 3D stage stays dark (near-black ink). */
:root {
  color-scheme: light;
  --paper: #fcfcfc; --ink: #141414; --muted: #676767; --line: #d9d9d9; --tint: #f3f3f1;
  --ok: #2a7d46; --bad: #b3261e; --warn: #8a5a00;
  --canvas: #141414;
  --mono: ui-monospace, 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
code, pre { font-family: var(--mono); font-size: .86em; }
code { background: var(--tint); padding: 1px 5px; border-radius: 3px; }
.wrap { width: min(1060px, calc(100% - 112px)); margin: 0 auto; }
.wrap.wide { width: min(1320px, calc(100% - 112px)); }
@media (max-width: 720px) { .wrap, .wrap.wide { width: calc(100% - 40px); } }

/* header */
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 26px; padding: 22px 0 18px; }
header.top .brand { font-weight: 800; font-size: 22px; letter-spacing: -.055em; }
header.top a.nav { text-decoration: none; font: 12px/1 var(--mono); letter-spacing: -.01em; color: var(--muted); padding: 4px 0; border-bottom: 1px solid transparent; }
header.top a.nav:hover { color: var(--ink); }
header.top a.nav.on { color: var(--ink); border-bottom-color: var(--ink); }
header.top a.nav.home { margin-left: auto; }
header.top a.nav.home::after { content: " \2197"; }

/* type */
h1 { font-size: clamp(40px, 6.4vw, 78px); font-weight: 800; letter-spacing: -.065em; line-height: 1.02; margin: 56px 0 22px; }
h2 { font: 11px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 76px 0 20px; padding-top: 18px; border-top: 1px solid var(--line); }
h3 { font-size: 21px; font-weight: 600; letter-spacing: -.035em; line-height: 1.2; margin: 28px 0 8px; }
p { margin: 0 0 14px; }
.lead { font: 14px/1.75 var(--mono); letter-spacing: -.02em; color: var(--muted); max-width: 52em; margin-bottom: 26px; }
.muted { color: var(--muted); }
.note { border-left: 2px solid var(--ink); background: transparent; padding: 4px 0 4px 16px; margin: 20px 0; font: 13px/1.7 var(--mono); letter-spacing: -.015em; color: var(--ink); }
.note b { font-weight: 600; }
dt { font-weight: 600; }
dd { margin: 0 0 12px; color: var(--muted); }

/* numbers */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0 28px; margin: 34px 0 30px; border-top: 1px solid var(--line); }
.fact { padding: 20px 0 6px; }
.fact b { display: block; font-size: 44px; font-weight: 800; letter-spacing: -.06em; line-height: 1; }
.fact span { display: block; margin-top: 10px; font: 11px/1.5 var(--mono); color: var(--muted); letter-spacing: -.01em; }

/* tables */
.tablewrap { overflow-x: auto; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 14px 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 11px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); font-weight: 400; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; padding-right: 14px; }
.badge { display: inline-block; font: 11px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.badge::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px; vertical-align: 0; background: var(--muted); }
.badge.acc::before { background: var(--ok); }
.badge.rej::before { background: var(--bad); }

/* funnel */
.funnel { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; }
.funnel svg { width: 100%; height: auto; display: block; }
.funnel text { fill: var(--ink); font-family: var(--sans); letter-spacing: -.02em; }
.funnel .box { fill: var(--paper); stroke: var(--ink); stroke-width: 1; rx: 3px; }
.funnel .arrow { stroke: var(--ink); fill: none; }
.funnel .small { fill: var(--muted); font-family: var(--mono); }
.funnel .rej { fill: var(--bad); font-family: var(--mono); }
figure { margin: 18px 0; }
figure img { max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 3px; display: block; }
figure.hero { margin: 8px 0 30px; }
figure.hero img { width: 100%; height: auto; border: 0; }
figcaption { font: 12px/1.6 var(--mono); color: var(--muted); margin-top: 8px; letter-spacing: -.01em; }
.pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
footer { margin: 80px 0 36px; padding-top: 18px; border-top: 1px solid var(--line); font: 12px/1.6 var(--mono); color: var(--muted); }

/* layouts page */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 30px; align-items: center; }
.filters input[type=search], .filters select { background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 3px; padding: 8px 10px; font: 12px/1.3 var(--mono); }
.filters input[type=search] { min-width: 260px; }
.filters label { font: 12px/1 var(--mono); color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 40px 26px; }
.card { display: flex; flex-direction: column; }
.card .shot { aspect-ratio: 16 / 10; background: var(--canvas); border-radius: 3px; display: flex; align-items: center; justify-content: center; color: #8d8d8d; font: 11px/1.6 var(--mono); text-align: center; padding: 12px; overflow: hidden; }
.card .shot img { width: 100%; height: 100%; object-fit: contain; display: block; }
.card .body { padding-top: 14px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { margin: 0; font-size: 19px; word-break: break-word; }
.card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 14px; font: 12px/1.55 var(--mono); letter-spacing: -.015em; }
.card dt { color: var(--muted); font-weight: 400; }
.card dd { margin: 0; color: var(--ink); }
.card .cex { font: 12px/1.6 var(--mono); border-left: 2px solid var(--bad); padding: 2px 0 2px 10px; color: var(--ink); }
.card .go { margin-top: auto; font: 12px/1 var(--mono); padding-top: 4px; }
.card .go::after { content: " \2197"; }
.card .go.muted::after { content: ""; }
.card.hidden { display: none; }
.count { font: 12px/1 var(--mono); color: var(--muted); }

/* viewer */
.vhead { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin: 40px 0 6px; }
.vhead h1 { margin: 0; font-size: clamp(28px, 4vw, 44px); word-break: break-all; letter-spacing: -.055em; }
.vfacts { font: 12px/1.7 var(--mono); color: var(--muted); margin-bottom: 18px; letter-spacing: -.01em; }
.viewer { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
@media (max-width: 900px) { .viewer { grid-template-columns: 1fr; } }
.stage { border: 1px solid var(--line); border-radius: 3px; overflow: hidden; background: var(--paper); }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.tab, .btn { background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 3px; padding: 6px 12px; font: 12px/1.2 var(--mono); cursor: pointer; }
.tab:hover, .btn:hover { border-color: var(--ink); }
.tab.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tab:disabled { opacity: .4; cursor: not-allowed; }
.toolbar .grow { flex: 1; }
#cv { display: block; width: 100%; height: 540px; touch-action: none; background: var(--canvas); }
@media (max-width: 600px) { #cv { height: 380px; } }
.banner { padding: 9px 14px; font: 12px/1.6 var(--mono); letter-spacing: -.01em; }
.banner.steady { background: var(--tint); color: var(--muted); }
.banner.ticks { background: var(--tint); color: var(--ink); border-left: 2px solid var(--warn); }
.layerbar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; font: 12px/1.4 var(--mono); border-top: 1px solid var(--line); }
.layerbar input[type=range] { flex: 1; min-width: 80px; accent-color: var(--ink); }
#tickbar { padding: 10px 14px; border-top: 1px solid var(--line); }
#tickbar .row { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin-bottom: 8px; font: 12px/1.4 var(--mono); }
#tickbar input[type=range] { flex: 1; min-width: 100px; accent-color: var(--ink); }
#tl { display: block; width: 100%; height: 40px; cursor: pointer; border-radius: 3px; }
aside.side { display: flex; flex-direction: column; gap: 26px; }
.box2 { border-top: 1px solid var(--line); padding-top: 14px; }
.box2 h3 { margin: 0 0 12px; font: 11px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 400; }
#inputs { display: flex; flex-wrap: wrap; gap: 6px; max-height: 190px; overflow-y: auto; }
.sw { min-width: 36px; padding: 5px 9px; border-radius: 3px; border: 1px solid var(--line); background: transparent; color: var(--ink); font: 12px/1.2 var(--mono); cursor: pointer; }
.sw:hover { border-color: var(--ink); }
.sw.on { background: #ff5a3c; border-color: #ff5a3c; color: #fff; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.presets .btn { padding: 4px 10px; font-size: 11px; }
#outputs td.hi { color: var(--ok); font-weight: 600; }
#outputs td.lo { color: var(--muted); }
#outputs td.ok { color: var(--ok); }
#outputs td.bad { color: var(--bad); font-weight: 600; }
#verdict-live { margin: 10px 0 0; font: 12px/1.6 var(--mono); }
#verdict-live.ok { color: var(--ok); }
#verdict-live.bad { color: var(--bad); font-weight: 600; }
.legend { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; font: 11.5px/1.4 var(--mono); color: var(--muted); }
.legend i { display: inline-block; width: 11px; height: 11px; border-radius: 2px; vertical-align: -1px; margin-right: 7px; }
.callout { border-left: 2px solid var(--ink); padding: 6px 0 6px 16px; margin: 18px 0; font: 13px/1.7 var(--mono); }
.callout.bad { border-left-color: var(--bad); }
.callout.ok { border-left-color: var(--ok); }
.callout code { background: var(--tint); }

/* thumbnail mode (?thumb=1): only the stage, used to render card images */
html.thumb header.top, html.thumb .vhead, html.thumb .vfacts, html.thumb aside.side, html.thumb .toolbar, html.thumb .banner,
html.thumb .layerbar, html.thumb #tickbar, html.thumb .callout, html.thumb main > p, html.thumb footer { display: none !important; }
html.thumb body { background: var(--canvas); }
html.thumb .wrap, html.thumb .wrap.wide { width: 100%; margin: 0; }
html.thumb .viewer { display: block; }
html.thumb .stage { border: 0; border-radius: 0; background: var(--canvas); }
html.thumb #cv { height: 100vh; width: 100vw; }