@import url('./tokens.css');

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scrollbar-color: var(--border-strong) var(--surface-base); }
h1, h2, h3 { text-wrap: balance; }
body { background: var(--surface-base); color: var(--text-primary); font: 16px/1.55 var(--font-sans); overflow-x: clip; -webkit-font-smoothing: antialiased; }
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(900px 600px at 50% -10%, color-mix(in oklab, var(--sig) 10%, transparent), transparent 60%),
              radial-gradient(700px 500px at 100% 100%, rgb(76 243 255 / 0.05), transparent 60%);
}
a { color: inherit; text-decoration: none; }
code { font-family: var(--font-mono); font-size: 0.88em; color: var(--accent-text); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--text-muted); }
.small { font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
::selection { background: var(--sig); color: var(--text-inverse); }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 6px; }
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.page { position: relative; z-index: 2; width: 100%; max-width: 100%; overflow-x: clip; }

/* state glyphs: never colour alone — every one sits beside a number or label */
.up { color: var(--state-success); } .down { color: var(--state-danger); } .flat { color: var(--text-muted); }
.ok { color: var(--state-success); margin-left: 4px; } .bad { color: var(--state-danger); margin-left: 4px; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 64px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 clamp(16px, 4vw, 40px);
  background: rgb(6 7 10 / 0.6); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid var(--border-subtle);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-weight: 500; letter-spacing: -0.01em; }
.brand b { font-weight: 700; color: var(--sig); }
.brand-mark { width: 26px; height: 26px; fill: none; stroke: var(--sig); stroke-width: 1.8; stroke-linecap: round; }
.brand-mark line { stroke: var(--accent); stroke-dasharray: 2 3; }
.nav-links { display: flex; gap: var(--space-1); }
.nav-links a { position: relative; font-size: 14px; color: var(--text-secondary); padding: 8px 14px; border-radius: var(--radius-md); transition: color var(--motion-fast) var(--ease-out), background-color var(--motion-fast) var(--ease-out); }
.nav-links a:hover { color: var(--text-primary); background: var(--surface-hover); }
.nav-links a.is-active { color: var(--text-primary); }
.nav-links a.is-active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: -13px; height: 2px; background: var(--sig); border-radius: 2px; }
.nav-right { display: flex; justify-content: flex-end; align-items: center; gap: var(--space-4); }
.gate-chip { display: inline-flex; align-items: center; gap: var(--space-2); font-size: 12px; color: var(--text-secondary); }
.gate-chip b { color: var(--state-danger); font-weight: 400; }
.gate-chip i { position: relative; width: 7px; height: 7px; border-radius: 99px; background: var(--state-danger); }
.gate-chip i::after { content: ''; position: absolute; inset: -4px; border-radius: 99px; border: 1px solid var(--state-danger); animation: ping 2.2s var(--ease-out) infinite; }
@keyframes ping { from { transform: scale(0.6); opacity: 0.8; } to { transform: scale(2.3); opacity: 0; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font: 600 15px/1 var(--font-sans); padding: 16px 26px; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background-color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}
.btn .arrow { display: inline-block; transition: transform var(--motion-base) var(--ease-out); }
.btn-primary { background: var(--accent); color: var(--text-inverse); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text-primary); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-hover); border-color: var(--border-glow); }
.btn-danger { background: var(--surface-overlay); color: var(--state-danger); border-color: color-mix(in oklab, var(--state-danger) 60%, transparent); }
.btn-danger:hover { background: var(--state-danger-quiet); }
.btn-sm { padding: 10px 16px; font-size: 13px; }
.btn-xs { padding: 6px 10px; font-size: 12px; min-height: 28px; }

/* ---------- badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; padding: 4px 8px; border-radius: var(--radius-sm); white-space: nowrap; }
.badge-lg { font-size: 13px; padding: 6px 12px; vertical-align: middle; }
.badge-danger { color: var(--state-danger); background: var(--state-danger-quiet); }
.badge-success { color: var(--state-success); background: var(--state-success-quiet); }
.badge-warning { color: var(--state-warning); background: var(--state-warning-quiet); }
.badge-info { color: var(--state-info); background: var(--state-info-quiet); }

/* ---------- hero (cinematic center) ---------- */
.hero { position: relative; min-height: 100svh; display: grid; place-items: center; padding: 140px clamp(16px, 5vw, 80px) var(--space-9); text-align: center; overflow: hidden; }
.ridges { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-wash { position: absolute; inset: 0; background: radial-gradient(ellipse 60% 55% at 50% 48%, rgb(6 7 10 / 0.94) 0%, rgb(6 7 10 / 0.7) 45%, transparent 80%), linear-gradient(0deg, var(--surface-base), transparent 30%); }
.hero-inner { position: relative; z-index: 2; width: 100%; max-width: 76rem; display: flex; flex-direction: column; align-items: center; }
.hero-title { font-size: clamp(3rem, 6vw, 6rem); line-height: 0.98; letter-spacing: -0.04em; font-weight: 700; margin: 0 0 var(--space-6); }
.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.06em; }
.hero-title .line-inner { display: inline-block; }
.hero-title em { font-style: normal; color: var(--sig); }
.pill-img {
  display: inline-block; vertical-align: middle; width: 1.8em; height: 0.8em; margin: 0 0.12em 0.14em 0; border-radius: var(--radius-full);
  background: var(--surface-overlay); position: relative; overflow: hidden; isolation: isolate;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.14);
}
.pill-img::before { content: ''; position: absolute; inset: 0; background: var(--img) center/cover; }
.hero-sub { max-width: 62ch; font-size: clamp(17px, 1.35vw, 20px); color: var(--text-secondary); margin: 0 0 var(--space-7); }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-4); }

/* ---------- marquee ---------- */
.marquee { position: relative; overflow: hidden; border-block: 1px solid var(--border-subtle); background: var(--surface-sunken); padding: var(--space-5) 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: var(--space-8); width: max-content; font-size: 14px; color: var(--text-muted); }
.marquee-track span { white-space: nowrap; }
.marquee-track b { color: var(--text-primary); font-weight: 400; margin: 0 6px; }
.marquee-track em { font-style: normal; }

/* ---------- chapters ---------- */
.chapter { position: relative; padding: var(--space-9) clamp(16px, 5vw, 80px); max-width: 1440px; margin: 0 auto; }
.chapter-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: var(--space-5); margin-bottom: var(--space-7); }
.chapter-title { font-size: clamp(2rem, 3.4vw, 3.25rem); line-height: 1.05; letter-spacing: -0.03em; font-weight: 650; margin: 0; max-width: 52rem; }
.chapter-sub { color: var(--text-muted); font-size: 13px; margin: 0; }

/* ---------- bento: 3 cols x 2 rows, dense ----------
   verdict c1-2 r1 | kappa c3 r1-2 | cases c1 r2 | cost c2 r2  => 6/6 */
.bento { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-flow: dense; gap: var(--space-4); }
.cell { --mx: 50%; --my: 50%; position: relative; overflow: hidden; padding: var(--space-6); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  background: radial-gradient(420px circle at var(--mx) var(--my), color-mix(in oklab, var(--sig) calc(var(--spot, 0) * 100%), transparent), transparent 60%), var(--surface-raised);
  transition: border-color var(--motion-base) var(--ease-out); }
.cell:hover { --spot: 0.07; border-color: var(--border-strong); }
.cell p { color: var(--text-secondary); font-size: 15px; margin: var(--space-2) 0 0; }
.cell-k { font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: var(--space-4); }
.cell-verdict { grid-column: span 2; }
.cell-kappa { grid-row: span 2; display: flex; flex-direction: column; }
.verdict { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-6); }
.verdict strong { font-size: clamp(1.25rem, 1.8vw, 1.6rem); letter-spacing: -0.015em; font-weight: 600; }
.big { font-size: clamp(2.75rem, 4.4vw, 4rem); line-height: 1; letter-spacing: -0.04em; }
.big small { font-size: 14px; letter-spacing: 0; color: var(--text-muted); }

.bars { display: grid; gap: var(--space-3); }
.bar-row { display: grid; grid-template-columns: 11rem minmax(0, 1fr) 7rem; align-items: center; gap: var(--space-4); font-size: 13px; }
.bar-row > span { color: var(--text-secondary); }
.bar-row > b { font-weight: 400; text-align: right; color: var(--text-primary); }
.bar-row.is-fail > b { color: var(--state-danger); }
.track { position: relative; height: 8px; border-radius: 99px; background: var(--surface-sunken); box-shadow: inset 0 0 0 1px var(--border-subtle); }
.track i { position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 100%); border-radius: inherit; background: linear-gradient(90deg, color-mix(in oklab, var(--sig) 30%, transparent), var(--sig)); transform-origin: left; }
.bar-row.is-fail .track i { background: linear-gradient(90deg, color-mix(in oklab, var(--state-danger) 30%, transparent), var(--state-danger)); }
.track::after { content: ''; position: absolute; top: -5px; bottom: -5px; left: calc(var(--t, 0.8) * 100%); width: 2px; background: var(--text-primary); border-radius: 1px; }

.gauge { width: 100%; max-width: 240px; margin: 0 auto var(--space-4); overflow: visible; }
.gauge path { fill: none; stroke-width: 12; stroke-linecap: round; }
.gauge-track { stroke: var(--surface-sunken); }
.gauge-fill { stroke: var(--sig); stroke-dasharray: var(--k) 1; }
.gauge-bar { stroke: var(--text-primary); stroke-width: 2; }
.confusion { margin-top: auto; padding-top: var(--space-5); display: grid; gap: 4px; font-size: 12px; }
.confusion > div { display: grid; grid-template-columns: 4.5rem 1fr 1fr; gap: 4px; }
.confusion span { padding: 8px; text-align: center; color: var(--text-muted); }
.confusion [role="cell"] { background: var(--surface-sunken); border-radius: var(--radius-sm); color: var(--text-secondary); }
.confusion .hit { background: color-mix(in oklab, var(--sig) 16%, var(--surface-sunken)); color: var(--text-primary); }

/* ---------- pinned split ---------- */
.split { position: relative; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-8); padding: var(--space-9) clamp(16px, 5vw, 80px); max-width: 1440px; margin: 0 auto; align-items: start; }
.split-pin { padding-top: var(--space-4); }
.split-title { font-size: clamp(2.25rem, 4vw, 3.75rem); line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 var(--space-5); }
.split-sub { color: var(--text-secondary); max-width: 30rem; margin: 0 0 var(--space-6); }
.link-arrow { color: var(--accent-text); font-weight: 600; display: inline-flex; gap: var(--space-2); }
.link-arrow span { transition: transform var(--motion-base) var(--ease-out); }
.split-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-5); }
.case { padding: var(--space-6); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--surface-raised); transition: border-color var(--motion-base) var(--ease-out), transform var(--motion-base) var(--ease-out); }
.case:hover { border-color: var(--border-strong); }
.case header { display: flex; justify-content: space-between; gap: var(--space-4); align-items: center; margin-bottom: var(--space-4); }
.case-id { font-size: 13px; color: var(--text-secondary); }
.case-q { font-size: clamp(1.1rem, 1.5vw, 1.35rem); letter-spacing: -0.01em; margin: 0 0 var(--space-4); }
.case-metrics { display: flex; gap: var(--space-5); font-size: 13px; color: var(--text-muted); margin-bottom: var(--space-4); }
.case-metrics b { color: var(--text-primary); font-weight: 400; }
.rationale { margin: 0; padding: var(--space-4) var(--space-5); border: 1px solid color-mix(in oklab, var(--sig) 28%, var(--border-subtle)); background: color-mix(in oklab, var(--sig) 5%, var(--surface-sunken)); border-radius: var(--radius-md); color: var(--text-secondary); font-size: 15px; }

/* ---------- accordion ---------- */
.accordion { display: flex; gap: var(--space-2); height: 440px; }
.slice { position: relative; flex: 1 1 0; min-width: 76px; overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-raised), var(--surface-sunken));
  transition: flex-grow var(--motion-slow) var(--ease-out), border-color var(--motion-base) var(--ease-out); }
.slice.is-open { flex-grow: 6; border-color: color-mix(in oklab, var(--sig) 40%, var(--border-subtle)); }
.slice-trigger { position: absolute; inset: 0 auto 0 0; z-index: 2; width: 76px; display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: var(--space-5) 0; background: none; border: 0; color: var(--text-primary); cursor: pointer; font: inherit; }
.slice-trigger .mono { font-size: 12px; color: var(--sig); }
.slice-label { writing-mode: vertical-rl; transform: rotate(180deg); font-size: 19px; font-weight: 600; }
.slice-body { position: absolute; inset: 0 0 0 76px; padding: var(--space-7); display: flex; flex-direction: column; justify-content: flex-end; gap: var(--space-4); opacity: 0; pointer-events: none; transition: opacity var(--motion-base) var(--ease-out); }
.slice.is-open .slice-body { opacity: 1; pointer-events: auto; transition-delay: 200ms; }
.slice-body h3 { font-size: clamp(1.5rem, 2.2vw, 2.1rem); letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
.slice-body p { color: var(--text-secondary); margin: 0; max-width: 40rem; }
.slice-body pre { margin: 0; padding: var(--space-4) var(--space-5); background: var(--surface-sunken); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); font-size: 13px; color: var(--accent-text); overflow-x: auto; max-width: 36rem; }

/* ---------- scrub ---------- */
.chapter-center { display: flex; justify-content: center; padding-block: var(--space-10); }
.scrub { max-width: 64rem; margin: 0; font-size: clamp(1.75rem, 3.2vw, 3rem); line-height: 1.3; letter-spacing: -0.02em; font-weight: 550; text-wrap: pretty; }
.scrub .w { opacity: 0.1; }

/* ---------- tables ---------- */
.table-wrap { border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow-x: auto; background: var(--surface-base); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
thead th { position: sticky; top: 0; text-align: left; font: 500 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); background: var(--surface-raised); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-subtle); white-space: nowrap; }
tbody td { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-subtle); font-size: 14px; white-space: nowrap; }
tbody tr { transition: background-color var(--motion-fast) var(--ease-out); }
tbody tr:hover { background: var(--surface-hover); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.is-selected { background: color-mix(in oklab, var(--sig) 9%, transparent); }
tbody tr.is-selected td:first-child { color: var(--text-primary); font-weight: 500; }
td a { color: var(--accent-text); }
.num { text-align: right; }
.row-actions { text-align: right; }
.row-actions .btn { opacity: 0; transition: opacity var(--motion-fast) var(--ease-out); }
tr:hover .row-actions .btn, tr:focus-within .row-actions .btn, tr.is-selected .row-actions .btn { opacity: 1; }

/* ---------- CTA + footer ---------- */
.cta { position: relative; text-align: center; padding: var(--space-10) clamp(16px, 5vw, 80px); display: flex; flex-direction: column; align-items: center; gap: var(--space-7); }
.cta::before { content: ''; position: absolute; inset: 15% 10%; z-index: -1; background: radial-gradient(ellipse at center, color-mix(in oklab, var(--sig) 14%, transparent), transparent 65%); }
.cta-title { font-size: clamp(3rem, 6.4vw, 6rem); line-height: 0.98; letter-spacing: -0.04em; font-weight: 750; margin: 0; max-width: 76rem; }
.cta-title em { font-style: normal; color: var(--sig); }
.cmd { display: flex; align-items: center; gap: var(--space-4); max-width: 100%; padding: var(--space-3) var(--space-3) var(--space-3) var(--space-5); background: var(--surface-sunken); border: 1px solid var(--border-strong); border-radius: var(--radius-md); }
.cmd code { font-size: clamp(13px, 1.3vw, 16px); color: var(--text-primary); overflow-x: auto; white-space: nowrap; }
.cmd code::before { content: '$ '; color: var(--sig); }
.footer { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; padding: var(--space-6) clamp(16px, 5vw, 80px) var(--space-7); border-top: 1px solid var(--border-subtle); color: var(--text-muted); font-size: 13px; }
.footer-links { display: flex; gap: var(--space-5); }
.footer-links a { color: var(--text-secondary); transition: color var(--motion-fast) var(--ease-out); }
.footer-links a:hover { color: var(--accent-text); }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 99px; background: var(--state-success); margin-right: 6px; vertical-align: middle; }

/* ---------- run detail (app) ---------- */
.app { padding-top: 64px; }
.run-head { position: relative; display: flex; justify-content: space-between; gap: var(--space-5); padding: var(--space-8) clamp(16px, 4vw, 40px) var(--space-6); border-bottom: 1px solid var(--border-subtle); overflow: hidden; }
.crumbs { font-size: 13px; color: var(--text-muted); margin: 0 0 var(--space-3); }
.crumbs a { color: var(--accent-text); }
.run-title { display: flex; align-items: center; gap: var(--space-4); font-size: clamp(2rem, 3.6vw, 3.25rem); letter-spacing: -0.035em; line-height: 1; margin: 0 0 var(--space-4); }
.run-meta { font-size: 13px; color: var(--text-muted); margin: 0; }
.run-meta b { color: var(--text-secondary); font-weight: 400; }
.scan { position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; overflow: hidden; }
.scan i { position: absolute; inset: 0 auto 0 0; width: 30%; background: linear-gradient(90deg, transparent, var(--sig), transparent); }

.run-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: var(--space-7); padding: var(--space-7) clamp(16px, 4vw, 40px) var(--space-9); max-width: 1480px; margin: 0 auto; align-items: start; }
.rail { position: sticky; top: 88px; display: flex; flex-direction: column; gap: var(--space-4); }
.panel { padding: var(--space-5); background: var(--surface-raised); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.panel .cell-k { margin-bottom: var(--space-3); }
.digest { font-size: 15px; letter-spacing: 0.08em; color: var(--sig); margin: 0 0 var(--space-2); }
.kinds { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.kinds li { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--border-subtle); color: var(--text-secondary); }
.kinds li:last-child { border-bottom: 0; }
.kinds b { font-weight: 400; color: var(--text-primary); }
.big-sm { font-size: 32px; letter-spacing: -0.03em; }
.run-main { display: flex; flex-direction: column; gap: var(--space-8); min-width: 0; }
.block-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-4); margin-bottom: var(--space-5); }
.block-title { font-size: 20px; letter-spacing: -0.015em; font-weight: 600; margin: 0 0 var(--space-5); }
.block-head .block-title { margin: 0; }

.scores { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.score { padding: var(--space-5); background: var(--surface-raised); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); transition: border-color var(--motion-base) var(--ease-out); }
.score:hover { border-color: var(--border-strong); }
.score.is-fail { border-color: color-mix(in oklab, var(--state-danger) 35%, var(--border-subtle)); }
.score-k { font-size: 12px; color: var(--text-muted); margin-bottom: var(--space-3); }
.score-v { font-size: 36px; letter-spacing: -0.03em; line-height: 1; margin-bottom: var(--space-4); }
.score-v .ok, .score-v .bad { font-size: 20px; vertical-align: middle; }
.meter { position: relative; height: 6px; background: var(--surface-sunken); border-radius: 99px; margin-bottom: var(--space-3); }
.meter i { position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 100%); background: var(--sig); border-radius: inherit; transform-origin: left; }
.score.is-fail .meter i { background: var(--state-danger); }
.meter b { position: absolute; top: -4px; bottom: -4px; left: calc(var(--t) * 100%); width: 2px; background: var(--text-primary); }
.score-foot { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

.legend { display: flex; flex-wrap: wrap; gap: var(--space-5); font-size: 12px; color: var(--text-muted); }
.legend i { display: inline-block; width: 16px; height: 2px; vertical-align: middle; margin-right: 6px; }
.legend .s1 { background: var(--accent); } .legend .s2 { background: var(--sig); } .legend .s3 { background: var(--state-warning); }
.legend .sb { background: repeating-linear-gradient(90deg, var(--text-muted) 0 4px, transparent 4px 7px); }
.chart-wrap { position: relative; padding: var(--space-5); background: var(--surface-raised); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.trend { width: 100%; height: 280px; overflow: visible; display: block; }
.trend .grid line { stroke: var(--border-subtle); stroke-width: 1; vector-effect: non-scaling-stroke; }
.trend .baseline { stroke: var(--text-muted); stroke-dasharray: 6 6; vector-effect: non-scaling-stroke; }
.trend .series { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.trend .s1 { stroke: var(--accent); } .trend .s2 { stroke: var(--sig); } .trend .s3 { stroke: var(--state-warning); }
.trend .probe { fill: var(--surface-base); stroke: var(--sig); stroke-width: 2; vector-effect: non-scaling-stroke; }
.chart-note { position: absolute; right: var(--space-5); bottom: var(--space-5); font-size: 12px; color: var(--text-muted); background: rgb(6 7 10 / 0.8); padding: 6px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border-subtle); }
.chart-note b { color: var(--sig); font-weight: 400; }
.data-table { margin-top: var(--space-3); }
.data-table summary { cursor: pointer; font-size: 13px; color: var(--accent-text); padding: var(--space-2) 0; }
.data-table .table-wrap { margin-top: var(--space-3); }

.filters { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip { font: 500 13px/1 var(--font-sans); padding: 8px 12px; min-height: 32px; border-radius: var(--radius-full); border: 1px solid var(--border-strong); background: transparent; color: var(--text-secondary); cursor: pointer; transition: background-color var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out); }
.chip b { font-weight: 400; margin-left: 4px; color: var(--text-muted); }
.chip:hover { background: var(--surface-hover); color: var(--text-primary); }
.chip.is-on { background: color-mix(in oklab, var(--sig) 14%, transparent); border-color: color-mix(in oklab, var(--sig) 50%, transparent); color: var(--text-primary); }

.rationale-panel { padding: var(--space-6); background: var(--surface-raised); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); }
.rat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.rat-col { padding: var(--space-5); background: var(--surface-sunken); border-radius: var(--radius-md); border: 1px solid var(--border-subtle); }
.rat-col p { margin: 0; color: var(--text-secondary); font-size: 15px; }
.rat-col mark { background: color-mix(in oklab, var(--accent) 18%, transparent); color: var(--text-primary); padding: 0 2px; border-radius: 2px; }
.rat-judge { border-color: color-mix(in oklab, var(--sig) 40%, var(--border-subtle)); }
.rat-judge p { color: var(--text-primary); }

.dialog { border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-overlay); color: var(--text-primary); padding: var(--space-6); max-width: 440px; box-shadow: var(--shadow-lg); }
.dialog h2 { font-size: 18px; margin: 0 0 var(--space-3); }
.dialog p { color: var(--text-secondary); margin: 0 0 var(--space-6); font-size: 15px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-3); }

/* ---------- icons: one authored stroke family ---------- */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { width: 1em; height: 1em; vertical-align: -0.14em; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.badge .i { width: 1.1em; height: 1.1em; }

/* ---------- motion layer ----------
   Press feedback 160ms ease-out; hover colour 150ms ease; on-screen morphs use
   --ease-in-out; any hover-driven movement is gated to fine pointers. */
.btn { transition: background-color var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease), color var(--motion-fast) var(--ease), scale var(--motion-press) var(--ease-out); }
.chip, .icon-btn { transition: background-color var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease), color var(--motion-fast) var(--ease), scale var(--motion-press) var(--ease-out); }
/* `scale` composes with GSAP's inline magnetic transform instead of fighting it */
.btn:active, .chip:active, .icon-btn:active { scale: 0.97; }
.btn .arrow, .link-arrow span { display: inline-block; transition: transform var(--motion-base) var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover .arrow, .link-arrow:hover span { transform: translateX(4px); }
  .case:hover { transform: translateY(-2px); }
}

/* horizontal accordion: the slice morphs on screen, its content arrives after */
.slice { transition: flex-grow var(--motion-slow) var(--ease-in-out), border-color var(--motion-base) var(--ease); }
.slice-body { transition: opacity var(--motion-base) var(--ease-out); }
.slice.is-open .slice-body { transition-delay: 180ms; }
.slice-body > *, .slice-content > * { opacity: 0; transform: translateY(8px); transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out); }
.slice.is-open .slice-body > *, .slice.is-open .slice-content > * { opacity: 1; transform: none; }
.slice.is-open .slice-body > :nth-child(1), .slice.is-open .slice-content > :nth-child(1) { transition-delay: 220ms; }
.slice.is-open .slice-body > :nth-child(2), .slice.is-open .slice-content > :nth-child(2) { transition-delay: 270ms; }
.slice.is-open .slice-body > :nth-child(3), .slice.is-open .slice-content > :nth-child(3) { transition-delay: 320ms; }
.slice.is-open .slice-body > :nth-child(4), .slice.is-open .slice-content > :nth-child(4) { transition-delay: 370ms; }
.slice.is-open .slice-body > :nth-child(5), .slice.is-open .slice-content > :nth-child(5) { transition-delay: 420ms; }

/* reading progress under the nav: state, scrubbed linearly */
.progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--sig); transform-origin: 0 50%; transform: scaleX(0); pointer-events: none; }

/* one-shot clip reveal for chapter titles (marketing surfaces only; JS adds .reveal) */
.reveal { clip-path: inset(0 0 100% 0); transition: clip-path var(--motion-slow) var(--ease-in-out); }
.reveal.is-visible { clip-path: inset(0 0 -10% 0); }

@media (prefers-reduced-motion: reduce) {
  /* fewer and gentler, not zero: keep fades and colour, drop movement and loops */
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-property: opacity, color, background-color, border-color, box-shadow !important; }
  .btn:active, .chip:active, .icon-btn:active { scale: none; }
  .slice-body > *, .slice-content > * { transform: none; }
  .reveal { clip-path: none; }
  .scrub .w { opacity: 1; }
}

/* confirming: keeps its width, says what it's doing, stops taking input */
.btn[aria-busy="true"] { pointer-events: none; opacity: 0.8; }

/* dialog: centred scale+fade, enters and exits the same way */
.dialog { opacity: 0; transform: scale(0.96);
  transition: opacity var(--motion-base) var(--ease-out), transform var(--motion-base) var(--ease-out), overlay var(--motion-base) allow-discrete, display var(--motion-base) allow-discrete; }
.dialog[open] { opacity: 1; transform: scale(1); }
@starting-style { .dialog[open] { opacity: 0; transform: scale(0.96); } }
.dialog::backdrop { background: rgb(3 4 6 / 0); backdrop-filter: blur(0); transition: background-color var(--motion-base) var(--ease-out), backdrop-filter var(--motion-base) var(--ease-out), overlay var(--motion-base) allow-discrete, display var(--motion-base) allow-discrete; }
.dialog[open]::backdrop { background: rgb(3 4 6 / 0.7); backdrop-filter: blur(4px); }
@starting-style { .dialog[open]::backdrop { background: rgb(3 4 6 / 0); backdrop-filter: blur(0); } }
/* score values settle to their state colour once the fill has landed */
.bar-row > b { transition: color var(--motion-base) var(--ease); }
.bars:not(.is-settled) .bar-row.is-fail > b { color: var(--text-primary); }
.split-progress { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-7); font-size: 12px; color: var(--text-muted); }
.split-progress .rail-line { position: relative; flex: 0 0 160px; height: 2px; background: var(--border-subtle); border-radius: 2px; overflow: hidden; }
.split-progress .rail-line i { position: absolute; inset: 0; background: var(--sig); transform-origin: 0 50%; transform: scaleX(0); }
.split-progress b { color: var(--text-primary); font-weight: 400; }
.case { transition: border-color var(--motion-base) var(--ease), opacity var(--motion-base) var(--ease); }
.case.is-current { border-color: color-mix(in oklab, var(--sig) 45%, var(--border-subtle)); }
tbody tr.is-selected { transition: background-color var(--motion-fast) var(--ease); }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .nav { grid-template-columns: 1fr auto; height: auto; row-gap: var(--space-2); padding-block: var(--space-3) var(--space-2); }
  .nav-links { grid-column: 1 / -1; grid-row: 2; overflow-x: auto; scrollbar-width: none; margin-inline: -14px; }
  .nav-links a.is-active { background: var(--surface-hover); }
  .nav-links a.is-active::after { display: none; }
  .app { padding-top: 104px; }
  .hero { padding-top: 160px; }
  .rail { top: 112px; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cell-verdict { grid-column: span 2; }
  .cell-kappa { grid-row: span 1; grid-column: span 2; }
  .split { grid-template-columns: minmax(0, 1fr); gap: var(--space-7); }
  .accordion { flex-direction: column; height: auto; }
  .slice { flex: none; min-height: 68px; }
  .slice-trigger { position: relative; width: 100%; flex-direction: row; justify-content: flex-start; gap: var(--space-4); padding: var(--space-5); }
  .slice-label { writing-mode: horizontal-tb; transform: none; }
  .slice-body { position: relative; inset: auto; display: none; padding: 0 var(--space-5) var(--space-5); }
  .slice.is-open .slice-body { display: flex; }
  .run-layout { grid-template-columns: minmax(0, 1fr); }
  .rail { position: static; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .scores { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rat-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .gate-chip { display: none; }
  .bento { grid-template-columns: minmax(0, 1fr); }
  .cell-verdict, .cell-kappa { grid-column: span 1; }
  .bar-row { grid-template-columns: minmax(0, 1fr) 6.5rem; }
  .bar-row .track { grid-column: 1 / -1; grid-row: 2; }
  .rail { grid-template-columns: minmax(0, 1fr); }
  .scores { grid-template-columns: minmax(0, 1fr); }
  .run-title { flex-wrap: wrap; }
  .chart-note { position: static; margin-top: var(--space-3); display: inline-block; }
  .cmd { flex-direction: column; align-items: stretch; }
}