.ab-page { overflow: auto; }
.back-link { color: var(--muted); font-size: 12px; text-decoration: none; }
.back-link:hover { color: var(--text); }
.ab-main { width: min(1220px, calc(100% - 48px)); margin: 0 auto; padding-bottom: 72px; }
.ab-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 48px; align-items: end; padding: 48px 0 32px; border-bottom: 1px solid var(--line); }
.ab-heading h2 { margin: 9px 0 10px; font-size: clamp(30px, 5vw, 62px); letter-spacing: -.055em; }
.ab-heading > div > p:last-child, .log-ledger header > p:last-child { color: var(--muted); font-size: 13px; line-height: 1.55; }
.ab-facts { display: grid; grid-template-columns: repeat(3, auto); gap: 28px; margin: 0; }
.ab-facts div { min-width: 120px; border-top: 1px solid var(--line); padding-top: 10px; }
.ab-facts dt { color: var(--dim); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.ab-facts dd { margin: 6px 0 0; font: 11px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; }
.lane-grid { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.lane { min-width: 0; padding: 38px 38px 44px 0; }
.lane + .lane { border-left: 1px solid var(--line); padding-left: 38px; padding-right: 0; }
.lane-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 26px; }
.lane-head h2 { margin: 8px 0 6px; font-size: 25px; letter-spacing: -.025em; }
.lane-head p { color: var(--muted); font-size: 12px; }
.lane-total { text-align: right; font: 11px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }
.lane-total strong { display: block; color: var(--text); font-size: 18px; }
.stage-list { border-top: 1px solid var(--line); }
.stage { display: grid; grid-template-columns: 16px minmax(0, 1fr) auto; gap: 13px; padding: 17px 0; border-bottom: 1px solid var(--line-soft); }
.stage-dot { width: 9px; height: 9px; margin-top: 4px; border-radius: 50%; background: var(--dim); box-shadow: 0 0 0 4px rgba(111,119,122,.08); }
.stage[data-status="pass"] .stage-dot { background: var(--success); box-shadow: 0 0 0 4px rgba(98,200,139,.09); }
.stage[data-status="failed"] .stage-dot { background: var(--danger); box-shadow: 0 0 0 4px rgba(239,106,98,.09); }
.stage[data-status="running"] .stage-dot { background: var(--accent); box-shadow: 0 0 0 4px rgba(240,170,47,.1); animation: pulse 1.5s ease-in-out infinite; }
.stage[data-status="pending"] { opacity: .48; }
.stage-copy strong { display: block; font-size: 13px; }
.stage-copy p { margin-top: 5px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.stage-time { color: var(--muted); font: 10px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; white-space: nowrap; }
.log-ledger { padding-top: 42px; }
.log-ledger header { margin-bottom: 22px; }
.log-ledger h2 { margin: 8px 0 7px; font-size: 25px; }
.experiment-log { border-top: 1px solid var(--line); }
.experiment-log summary { display: flex; justify-content: space-between; gap: 20px; padding: 17px 0; cursor: pointer; font-size: 12px; }
.experiment-log summary span:last-child { color: var(--dim); font: 10px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; }
.experiment-log pre { max-height: 440px; overflow: auto; margin: 0 0 28px; padding: 16px; border: 1px solid var(--line); background: #080a0b; color: #c4c8c9; font: 10px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; word-break: break-word; }
@keyframes pulse { 50% { opacity: .45; transform: scale(.78); } }
@media (max-width: 850px) {
  .ab-main { width: min(100% - 30px, 680px); }
  .ab-heading { grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
  .ab-facts { grid-template-columns: 1fr; gap: 12px; }
  .lane-grid { grid-template-columns: 1fr; }
  .lane { padding: 32px 0; }
  .lane + .lane { border-left: 0; border-top: 1px solid var(--line); padding: 32px 0; }
}