[hidden] { display: none !important; }
/* ---------- Judge tour (#tour) ---------------------------------------------- */
body.touring #hero, body.touring #app { display: none !important; }
.tour { position: relative; z-index: 1; padding: 0 24px 80px; max-width: 1360px; margin: 0 auto; }
.tour[hidden] { display: none; }

.nav-tour { color: var(--text-2) !important; }

.tour-bar {
  position: sticky; top: 56px; z-index: 4; display: flex; align-items: center; gap: 18px;
  padding: 12px 4px; margin: 0 -4px;
  background: linear-gradient(var(--bg) 70%, transparent);
}
.tour-back { display: inline-flex; align-items: center; height: 32px; padding: 0 14px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--text); text-decoration: none; font-size: 13px; font-weight: 500; white-space: nowrap; transition: background-color .16s; }
.tour-back:hover { background: color-mix(in srgb, var(--text) 6%, transparent); }
.tour-progress { flex: 1; height: 2px; background: var(--line); border-radius: 99px; overflow: hidden; }
.tour-progress i { display: block; height: 100%; width: 0; border-radius: 99px;
  background: var(--grad); transition: width .8s var(--ease); }
.tour-banner { margin: 6px 0 0; padding: 10px 14px; border-radius: 12px; font-size: .86rem;
  border: 1px solid color-mix(in srgb, var(--warn) 50%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); color: var(--text); }

.tour-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 28px; }
.tour-body, .t-text, .t-visual, .t-card { min-width: 0; }
.tour { overflow-x: clip; }
.tour-rail { position: sticky; top: 120px; align-self: start; padding-top: 40px; }
.tour-rail ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.tour-rail a { display: flex; gap: 10px; padding: 7px 0 7px 14px; margin-left: -1px; border-left: 2px solid transparent;
  color: var(--muted); text-decoration: none; font-size: .85rem; transition: color .4s, border-color .4s; }
.tour-rail a span { font-family: var(--mono); font-size: .72rem; color: var(--subtle); padding-top: 2px; }
.tour-rail a:hover { color: var(--text); }
.tour-rail a.on { color: var(--text); border-image: var(--grad) 1; border-image: linear-gradient(180deg, var(--ember), var(--iris)) 1; }

.t-intro { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; max-width: 760px; padding: 40px 0; }
.t-intro h1 { font-family: var(--hero-font); font-weight: 800; font-stretch: 112%; font-size: clamp(2.3rem, 5vw, 4.2rem); letter-spacing: -.045em; line-height: .98; margin: 14px 0 18px; }
.t-intro p { font-size: 1.08rem; color: var(--muted); max-width: 620px; line-height: 1.65; }
.t-intro b { color: var(--text); }
.t-scroll-hint { margin-top: 30px; width: 22px; height: 36px; border: 1.5px solid var(--line); border-radius: 12px; position: relative; }
.t-scroll-hint span { position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--text); animation: hint 2.2s ease-in-out infinite; }
@keyframes hint { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 80% { opacity: 0; transform: translateY(12px); } 100% { opacity: 0; } }
.t-loading { padding: 80px 0; color: var(--muted); display: flex; gap: 10px; align-items: center; }

/* chapter: text left, sticky visual right */
.t-chap { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 44px; min-height: 108vh; padding: 9vh 0; align-items: start; }
.t-text { position: sticky; top: 140px; padding-top: 4vh; }
.t-num { font: 500 11px/1.4 var(--mono); color: var(--subtle); letter-spacing: .18em; margin-bottom: 16px; text-transform: uppercase; }
.t-text h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); font-weight: 510; letter-spacing: -.025em; line-height: 1.1; margin: 0 0 16px; }
.t-text p { color: var(--muted); font-size: 1rem; line-height: 1.7; margin: 0; }
.t-text p b, .t-text p i { color: var(--text); }
.t-text code { color: var(--text); }
.t-visual { position: sticky; top: 130px; }
.t-card { border-radius: 18px; padding: 22px; box-shadow: var(--hi), 0 40px 120px -40px rgb(0 0 0 / .55); }
.t-text, .t-card, .t-intro > *, .t-end > * { opacity: 0; transform: translateY(26px); transition: opacity 1.1s cubic-bezier(.2, .8, .2, 1), transform 1.1s cubic-bezier(.2, .8, .2, 1); }
.t-card { transition-delay: .12s; }
.in .t-text, .in .t-card, .t-intro.in > *, .t-end.in > * { opacity: 1; transform: none; }
.t-cap { font: 500 10.5px/1.4 var(--mono); color: var(--subtle); text-transform: uppercase; letter-spacing: .14em; margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }

/* 1 problem */
.t-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.t-kpi { background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.t-kpi b { display: block; font-size: 1.9rem; font-weight: 510; letter-spacing: -.03em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.t-kpi span { font-size: .76rem; color: var(--muted); }
.t-kpi.hl b { color: var(--proof); }
.t-calls { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-height: 52vh; overflow: auto; }
.t-calls li { display: grid; grid-template-columns: auto auto 1fr auto; gap: 10px; align-items: center; font-size: .84rem; padding: 8px 12px; background: var(--panel-2); border-radius: 10px; }
.t-fn { font-weight: 600; }
.t-loc { font-family: var(--mono); font-size: .74rem; color: var(--muted); }
.t-track { height: 2px; border-radius: 2px; background: linear-gradient(90deg, transparent, var(--bad)); opacity: .55; }
.t-model { color: var(--bad); }

/* 2 close-up */
.t-code pre, .t-prompt, .t-case-b pre, .t-ba pre { background: var(--panel-2); border-radius: 12px; padding: 12px; margin: 0; font-size: .76rem; line-height: 1.55; overflow: auto; white-space: pre-wrap; word-break: break-word; }
.t-code pre { max-height: 34vh; }
.t-prompt { margin-top: 14px; font-family: var(--mono); max-height: 30vh; }
.t-msg { display: grid; grid-template-columns: 62px 1fr; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.t-msg:last-child { border-bottom: 0; }
.t-role { color: var(--super); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; padding-top: 1px; }
.t-msg div { white-space: pre-wrap; }
mark.var { background: color-mix(in srgb, var(--lightning) 18%, transparent); color: var(--lightning); border-radius: 4px; padding: 0 3px; }

/* 3 tests */
.t-cases { display: grid; gap: 6px; max-height: 62vh; overflow: auto; padding-right: 2px; }
.t-case { background: var(--panel-2); border-radius: 12px; border: 1px solid transparent; transition: border-color .3s; }
.t-case[open] { border-color: var(--line); }
.t-case summary { cursor: pointer; list-style: none; display: grid; grid-template-columns: 34px 1fr auto; gap: 4px 10px; padding: 10px 12px; font-size: .86rem; }
.t-case summary::-webkit-details-marker { display: none; }
.t-cid { font-family: var(--mono); color: var(--muted); font-size: .78rem; }
.t-cname { font-weight: 600; }
.t-tag { font-size: .7rem; color: var(--warn); border: 1px solid currentColor; border-radius: 6px; padding: 0 6px; align-self: center; }
.t-why { grid-column: 2 / -1; color: var(--muted); font-size: .78rem; }
.t-case-b { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 12px 12px; }
.t-case-b pre { max-height: 220px; }
.t-sources { margin-top: 12px; font-size: .8rem; color: var(--muted); }

/* 4 bake-off */
.t-bake { display: grid; gap: 10px; }
.t-row { background: var(--panel-2); border-radius: 14px; padding: 12px 14px; border: 1px solid transparent; transition: border-color .6s, box-shadow .6s; }
.t-row.chosen { border-color: color-mix(in srgb, var(--proof) 60%, transparent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--proof) 10%, transparent); }
.t-rh { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.t-win { font-size: .72rem; font-weight: 600; color: var(--ok); background: color-mix(in srgb, var(--ok) 10%, transparent); border: 1px solid color-mix(in srgb, var(--ok) 40%, transparent); border-radius: 6px; padding: 0 7px; }
.t-metric { display: grid; grid-template-columns: 96px 1fr 64px; gap: 10px; align-items: center; font-size: .78rem; margin: 5px 0; }
.t-metric span { color: var(--muted); }
.t-metric b { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.t-bar { position: relative; height: 7px; background: color-mix(in srgb, var(--line) 70%, transparent); border-radius: 99px; overflow: visible; }
.t-bar i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, color-mix(in srgb, var(--proof) 60%, transparent), var(--proof));
  transition: width 1.4s cubic-bezier(.2, .8, .2, 1) .25s; }
.in .t-bar i { width: var(--w); }
.t-bar.under i { background: linear-gradient(90deg, color-mix(in srgb, var(--warn) 60%, transparent), var(--warn)); }
.t-bar.alt i { background: linear-gradient(90deg, color-mix(in srgb, var(--super) 60%, transparent), var(--super)); }
.t-bar.lat i { background: linear-gradient(90deg, color-mix(in srgb, var(--lightning) 60%, transparent), var(--lightning)); }
.t-bar.cost i { background: linear-gradient(90deg, color-mix(in srgb, var(--ultra) 60%, transparent), var(--ultra)); }
.t-bar.role-lightning i { background: var(--lightning); }
.t-bar.role-super i { background: var(--super); }
.t-bar.role-ultra i { background: var(--ultra); }
.t-target { position: absolute; top: -4px; width: 2px; height: 15px; background: var(--text); opacity: .55; border-radius: 2px; }
.t-note { font-size: .74rem; color: var(--muted); margin: 10px 0 0; }

/* 5 repair */
.t-hint { border: 1px dashed var(--ultra); border-radius: 14px; padding: 12px 14px; }
.t-hint p { margin: 0; font-size: .95rem; }
.t-ba { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.t-ba pre { max-height: 220px; }
.t-ba-h { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: .8rem; font-weight: 600; margin-bottom: 6px; }
.t-ba .t-why { margin-top: 6px; font-size: .76rem; color: var(--muted); }
.t-empty { padding: 40px 20px; text-align: center; color: var(--muted); }

/* 6 patch */
.t-checks { display: flex; flex-wrap: wrap; gap: 8px 14px; font-family: var(--mono); font-size: .78rem; margin-bottom: 12px; }
.t-diff { max-height: 50vh; font-size: .74rem; }
.t-env { display: flex; flex-direction: column; gap: 4px; margin-top: 12px; font-size: .76rem; }
.t-env code { background: var(--panel-2); padding: 5px 9px; border-radius: 8px; word-break: break-all; }

/* 7 bill */
.t-table { margin-bottom: 16px; }
.t-roles .t-metric { grid-template-columns: 170px 1fr 70px; }

/* end */
.t-end { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; max-width: 720px; padding: 60px 0; }
.t-end h2 { font-family: var(--hero-font); font-weight: 800; font-stretch: 112%; font-size: clamp(2.1rem, 4.4vw, 3.6rem); letter-spacing: -.045em; line-height: 1; margin: 0 0 16px; }
.t-end p { color: var(--muted); font-size: 1.05rem; line-height: 1.65; max-width: 600px; }
.t-cmd { margin: 8px 0 0; font-size: .82rem; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; overflow-x: auto; }
.t-none { min-height: 60vh; display: block; }

/* run view extras (replay, CLI, copy) */
.cli-line { display: flex; align-items: center; gap: 10px; margin-top: 12px; padding: 7px 8px 7px 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.cli-line code { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .78rem; }
.copy-btn { border: 1px solid var(--line-2); background: transparent; color: var(--muted); border-radius: 99px; padding: 3px 11px; font: 500 12px var(--sans); cursor: pointer; white-space: nowrap; transition: color .16s, background-color .16s; }
.copy-btn:hover { color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); }
.copy-btn.done { color: var(--ok); border-color: var(--ok); }
.card-h { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; }
.card-h h3 { margin: 0; }
.apply-cmd { white-space: pre-wrap; word-break: break-all; margin: 0; background: var(--panel-2); border-radius: 9px; padding: 10px; }
.diff-wrap { position: relative; }
.diff-copy { position: absolute; top: 8px; right: 10px; z-index: 1; background: var(--panel); }
.run-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.replay-ctl { display: flex; gap: 6px; }
.replay-btn { background: var(--cta) !important; color: var(--cta-ink) !important; border-color: var(--cta) !important; }
.replaying .run-head { border-color: color-mix(in srgb, var(--iris) 50%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--iris) 30%, transparent), 0 20px 60px -30px color-mix(in srgb, var(--iris) 45%, transparent); }
.dot.pop { animation: dotpop .55s cubic-bezier(.2, 1.4, .4, 1); }
@keyframes dotpop { from { transform: scale(.2); opacity: 0; } to { transform: none; opacity: 1; } }
tr.row-in td { animation: rowin .7s cubic-bezier(.2, .8, .2, 1); }
@keyframes rowin { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: none; } }

@media (max-width: 1000px) {
  .tour { padding: 0 16px 60px; }
  .tour-layout { grid-template-columns: minmax(0, 1fr); }
  .tour-rail { display: none; }
  .tour-bar { top: 56px; }
  .t-chap { grid-template-columns: minmax(0, 1fr); gap: 18px; min-height: 0; padding: 7vh 0; }
  .t-text, .t-visual { position: static; padding-top: 0; }
  .t-kpis { grid-template-columns: 1fr 1fr 1fr; }
  .t-kpi b { font-size: 1.4rem; }
  .t-case-b, .t-ba { grid-template-columns: 1fr; }
  .t-metric { grid-template-columns: 78px 1fr 56px; }
  .t-roles .t-metric { grid-template-columns: 110px 1fr 62px; }
  .t-calls li { grid-template-columns: 1fr auto; }
  .t-calls .t-loc, .t-calls .t-track { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .t-text, .t-card, .t-intro > *, .t-end > * { opacity: 1; transform: none; transition: none; }
  .t-bar i { transition: none; width: var(--w); }
  .t-scroll-hint span, .dot.pop, tr.row-in td { animation: none; }
}

/* narrow screens: tables scroll inside their card, run header wraps */
.t-table { display: block; overflow-x: auto; }
@media (max-width: 1000px) {
  .site-b > div { overflow-x: auto; min-width: 0; }
  .run-title { flex-wrap: wrap; }
  .run-actions { justify-content: flex-start; }
}

/* tour intro label: mono, wide tracking (Faultline eyebrow) */
.t-intro .hero-kicker { display: inline-flex; align-items: center; gap: 10px; align-self: flex-start; margin: 0; font: 500 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .18em; color: var(--subtle); }
.t-end .hero-cta { margin-top: 10px; }