:root {
  --lab-bg: #08080a; --lab-panel: #151517; --lab-panel-2: #1b1b1e;
  --lab-text: #f5f3ef; --lab-muted: rgba(245,243,239,.58); --lab-faint: rgba(245,243,239,.34);
  --lab-line: rgba(245,243,239,.11); --lab-orange: #fb923c; --lab-coral: #f0566b;
  --lab-gold: #fbbf24; --lab-teal: #56c8b2; --lab-blue: #85a8ff;
  --lab-mono: ui-monospace, "SF Mono", Menlo, monospace;
}
.lab-nav-wrap { position: sticky; top: 55px; z-index: 18; background: rgba(8,8,10,.9); border-bottom: 1px solid var(--lab-line); backdrop-filter: blur(16px); }
.lab-nav { max-width: 1120px; margin: 0 auto; display: flex; gap: 4px; padding: 8px 20px; overflow-x: auto; scrollbar-width: none; }
.lab-nav::-webkit-scrollbar { display: none; }
.lab-nav a { flex: none; padding: 8px 12px; border-radius: 10px; color: var(--lab-muted); text-decoration: none; font-size: 12px; font-weight: 700; }
.lab-nav a:hover { color: var(--lab-text); background: rgba(255,255,255,.05); }
.lab-nav a[aria-current="page"] { color: #140d08; background: var(--lab-orange); }
.lab-context { max-width: 1120px; margin: 10px auto 0; padding: 0 20px; display: flex; align-items: center; gap: 8px; color: var(--lab-muted); font: 11px var(--lab-mono); }
.lab-context a { color: var(--lab-orange); }
.context-pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--lab-teal); box-shadow: 0 0 0 4px rgba(86,200,178,.12); }
.context-pulse.empty { background: var(--lab-faint); box-shadow: none; }
.lab-main { max-width: 1120px; margin: 0 auto; padding: 48px 20px 96px; }
.lab-hero { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(280px,.75fr); gap: 48px; align-items: end; padding: 28px 0 42px; border-bottom: 1px solid var(--lab-line); }
.lab-kicker { color: var(--lab-orange); font: 700 11px var(--lab-mono); letter-spacing: .22em; text-transform: uppercase; }
.lab-hero h1 { max-width: 760px; margin: 12px 0 0; font-size: clamp(40px, 7vw, 82px); line-height: .96; letter-spacing: -.055em; }
.lab-hero h1 em { color: var(--lab-orange); font-style: normal; }
.lab-hero p { max-width: 58ch; margin-top: 20px; color: var(--lab-muted); font-size: 16px; }
.lab-hero-note { padding: 18px; border: 1px solid var(--lab-line); border-radius: 18px; background: linear-gradient(145deg, rgba(251,146,60,.1), rgba(255,255,255,.02)); }
.lab-hero-note b { display: block; color: var(--lab-text); font-size: 14px; }
.lab-hero-note span { display: block; margin-top: 6px; color: var(--lab-muted); font-size: 12px; }
.lab-section { padding-top: 50px; }
.lab-section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 18px; }
.lab-section-head h2 { font-size: clamp(25px, 4vw, 42px); line-height: 1.05; letter-spacing: -.035em; }
.lab-section-head p { max-width: 46ch; color: var(--lab-muted); font-size: 13px; }
.lab-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.lab-card { grid-column: span 6; min-width: 0; padding: 20px; border: 1px solid var(--lab-line); border-radius: 20px; background: var(--lab-panel); }
.lab-card.full { grid-column: 1/-1; }
.lab-card.third { grid-column: span 4; }
.lab-card h3 { font-size: 15px; letter-spacing: -.01em; }
.lab-card .sub { margin-top: 4px; color: var(--lab-muted); font-size: 11px; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.metric { padding: 14px; border-radius: 14px; background: var(--lab-panel-2); }
.metric small { display: block; color: var(--lab-faint); font: 10px var(--lab-mono); text-transform: uppercase; }
.metric strong { display: block; margin-top: 7px; font: 750 22px var(--lab-mono); letter-spacing: -.04em; }
.metric span { color: var(--lab-muted); font-size: 10px; }
.control-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-top: 18px; }
.field { flex: 1 1 170px; }
.field label, .field > span { display: block; margin-bottom: 6px; color: var(--lab-muted); font-size: 11px; font-weight: 650; }
.field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--lab-line); border-radius: 12px; outline: none; background: #0d0d0f; color: var(--lab-text); font: 14px inherit; }
.field textarea { min-height: 86px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--lab-orange); box-shadow: 0 0 0 3px rgba(251,146,60,.12); }
.lab-button { min-height: 44px; padding: 10px 16px; border: 0; border-radius: 12px; cursor: pointer; background: linear-gradient(135deg,var(--lab-orange),var(--lab-coral)); color: white; font: 700 13px inherit; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
.lab-button.secondary { border: 1px solid var(--lab-line); background: rgba(255,255,255,.04); color: var(--lab-text); }
.lab-button:focus-visible, .segmented button:focus-visible { outline: 2px solid var(--lab-orange); outline-offset: 2px; }
.chart { min-height: 190px; margin-top: 18px; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart-note { margin-top: 12px; color: var(--lab-muted); font-size: 11px; line-height: 1.55; }
.data-table { width: 100%; margin-top: 14px; border-collapse: collapse; font-size: 12px; }
.data-table th { padding: 9px 8px; color: var(--lab-faint); text-align: left; font-weight: 600; border-bottom: 1px solid var(--lab-line); }
.data-table td { padding: 10px 8px; border-bottom: 1px solid rgba(245,243,239,.06); }
.data-table td:last-child, .data-table th:last-child { text-align: right; font-family: var(--lab-mono); }
.positive { color: var(--lab-coral); } .negative { color: var(--lab-teal); }
.evidence { display: inline-flex; align-items: center; gap: 5px; padding: 4px 7px; border-radius: 999px; border: 1px solid var(--lab-line); color: var(--lab-muted); font: 700 9px var(--lab-mono); text-transform: uppercase; }
.evidence.hyrox { color: #ffc68d; border-color: rgba(251,146,60,.3); }
.evidence.transfer { color: #a9c0ff; border-color: rgba(133,168,255,.3); }
.priority-list { display: grid; gap: 8px; margin-top: 16px; }
.priority { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; padding: 12px; border-radius: 14px; background: var(--lab-panel-2); }
.priority .rank { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(251,146,60,.12); color: var(--lab-orange); font: 800 12px var(--lab-mono); }
.priority b { display: block; font-size: 13px; }.priority small { color: var(--lab-muted); font-size: 10px; }
.priority .seconds { color: var(--lab-coral); font: 800 15px var(--lab-mono); }
.segmented { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--lab-line); border-radius: 12px; background: #0d0d0f; }
.segmented button { padding: 7px 10px; border: 0; border-radius: 8px; background: transparent; color: var(--lab-muted); cursor: pointer; font: 700 11px inherit; }
.segmented button[aria-pressed="true"] { background: var(--lab-orange); color: #140d08; }
.profile-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-top: 18px; }
.profile-button { min-height: 128px; padding: 14px; border: 1px solid var(--lab-line); border-radius: 16px; background: var(--lab-panel); color: var(--lab-text); text-align: left; cursor: pointer; }
.profile-button[aria-pressed="true"] { border-color: var(--lab-orange); background: rgba(251,146,60,.09); }
.profile-button b { display: block; font-size: 13px; }.profile-button span { display: block; margin-top: 8px; color: var(--lab-muted); font-size: 11px; }
.pillar-matrix { display: grid; gap: 8px; margin-top: 16px; }
.pillar-row { display: grid; grid-template-columns: minmax(150px,1.4fr) minmax(180px,2fr) auto; gap: 12px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--lab-line); }
.pillar-row b { font-size: 12px; }.pillar-row p { color: var(--lab-muted); font-size: 11px; }
.bar-track { height: 7px; border-radius: 999px; background: rgba(255,255,255,.06); overflow: hidden; }
.bar-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--lab-orange),var(--lab-coral)); }
.phase-line { display: grid; grid-template-columns: repeat(12,1fr); gap: 4px; margin-top: 20px; }
.phase { min-height: 82px; padding: 10px; border-radius: 12px; background: var(--lab-panel-2); }
.phase b { font-size: 11px; }.phase span { display: block; margin-top: 7px; color: var(--lab-muted); font-size: 9px; }
.phase.base { border-top: 3px solid var(--lab-teal); }.phase.build { border-top: 3px solid var(--lab-orange); }.phase.specific { border-top: 3px solid var(--lab-coral); }.phase.taper { border-top: 3px solid var(--lab-blue); }
.stepper { display: flex; gap: 6px; margin: 18px 0; }
.stepper span { flex: 1; height: 4px; border-radius: 999px; background: rgba(255,255,255,.08); }
.stepper span.done { background: var(--lab-orange); }
.form-step[hidden] { display: none; }
.choice-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin-top: 14px; }
.check-card { display: flex; gap: 10px; padding: 12px; border: 1px solid var(--lab-line); border-radius: 14px; color: var(--lab-muted); font-size: 12px; }
.check-card:has(input:checked) { border-color: var(--lab-orange); background: rgba(251,146,60,.08); color: var(--lab-text); }
.check-card input { accent-color: var(--lab-orange); }
.notice { margin-top: 16px; padding: 14px; border-left: 3px solid var(--lab-gold); border-radius: 0 12px 12px 0; background: rgba(251,191,36,.07); color: var(--lab-muted); font-size: 11px; }
.source-list { display: grid; gap: 10px; margin-top: 14px; }
.source-list a { color: var(--lab-muted); font-size: 11px; text-decoration-color: rgba(251,146,60,.5); text-underline-offset: 3px; }
@media (max-width: 800px) {
  .lab-nav-wrap { top: 55px; }.lab-main { padding-top: 24px; }.lab-hero { grid-template-columns: 1fr; gap: 24px; }
  .lab-card, .lab-card.third { grid-column: 1/-1; }.profile-grid { grid-template-columns: repeat(2,1fr); }
  .lab-section-head { display: block; }.lab-section-head p { margin-top: 10px; }
}
@media (max-width: 520px) {
  .lab-nav { padding-inline: 12px; }.lab-main { padding-inline: 14px; }.lab-context { padding-inline: 14px; }
  .metric-row { grid-template-columns: 1fr 1fr; }.profile-grid,.choice-grid { grid-template-columns: 1fr; }
  .pillar-row { grid-template-columns: 1fr; }.phase-line { display: flex; overflow-x: auto; }.phase { min-width: 118px; }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; } }