/* /lab/ Strategy Lab (Kai 2026-10-02, public beta) */
.lab-beta { position: sticky; top: var(--lab-hdr, 64px); z-index: 40; background: #241c0d; border-bottom: 1px solid rgba(227, 173, 82, .35); color: #f3dfb5; font-size: 13px; line-height: 1.5; }
.lab-beta .wrap { display: flex; align-items: center; gap: 10px; padding-top: 9px; padding-bottom: 9px; }
.lab-beta-tag { flex: none; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .01em; text-transform: none; padding: 2px 7px; border-radius: 5px; color: var(--amber, #e3ad52); border: 1px solid rgba(227, 173, 82, .45); }
.lab-jump { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 8px; }
.lab-jump a { font-size: 12.5px; font-weight: 600; color: var(--text-mid); text-decoration: none; padding: 7px 12px; border: 1px solid var(--border); border-radius: 7px; background: var(--surface); }
.lab-jump a:hover { color: var(--mint); border-color: var(--border-strong); }
.lab-sec { padding: 28px 0 6px; scroll-margin-top: 120px; }
.lab-sec .sec-head h2 { font-size: 20px; }
.lab-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin: 12px 0 14px; font-size: 12px; color: var(--text-dim); }
.lab-badge { display: inline-block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .01em; text-transform: none; padding: 3px 8px; border-radius: 5px; border: 1px solid var(--border-strong); color: var(--text-mid); white-space: nowrap; }
.lab-badge.s-hypothesis { color: var(--text-mid); }
.lab-badge.s-testing { color: var(--amber, #e3ad52); border-color: rgba(227, 173, 82, .4); }
.lab-badge.s-validated { color: var(--mint); border-color: rgba(157, 245, 207, .4); }
.lab-badge.s-rejected { color: #f8a1a1; border-color: rgba(248, 113, 113, .4); }
.lab-cards { display: grid; gap: 10px; }
.lab-card { border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface); }
.lab-card > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 16px; padding: 16px 18px; min-height: 44px; }
.lab-card > summary::-webkit-details-marker { display: none; }
.lab-card > summary:hover .lab-t { color: var(--mint); }
.lab-card[open] > summary { border-bottom: 1px solid var(--border); }
.lab-t { font-size: 16px; font-weight: 650; color: var(--text); margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.lab-hyp { grid-column: 1 / -1; margin: 0; font-size: 13px; color: var(--text-mid); line-height: 1.6; max-width: 900px; }
.lab-key { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 4px 0 0; font-size: 12.5px; color: var(--text-mid); font-variant-numeric: tabular-nums; }
.lab-key b { color: var(--text); font-weight: 600; }
.lab-key .gain { color: var(--gain, var(--mint)); } .lab-key .loss { color: var(--loss, #f87171); }
.lab-open { align-self: start; font-size: 12px; color: var(--text-dim); white-space: nowrap; }
.lab-card[open] .lab-open { display: none; }
.lab-body { padding: 14px 18px 18px; display: grid; gap: 14px; }
.lab-rules { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px 20px; margin: 0; font-size: 13px; line-height: 1.6; }
.lab-rules dt { font-size: 11px; font-weight: 700; letter-spacing: .01em; text-transform: none; color: var(--text-dim); }
.lab-rules dd { margin: 2px 0 0; color: var(--text-mid); }
.lab-tbl { width: 100%; font-variant-numeric: tabular-nums; }
.lab-tbl th, .lab-tbl td { white-space: nowrap; }
.lab-tbl td.num, .lab-tbl th.num { text-align: right; }
.lab-tbl td.gain { color: var(--gain, var(--mint)); } .lab-tbl td.loss { color: var(--loss, #f87171); }
.lab-note { margin: 0; font-size: 12px; color: var(--text-dim); line-height: 1.6; max-width: 900px; }
.lab-pend { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 5px; color: var(--amber, #e3ad52); border: 1px solid rgba(227, 173, 82, .3); white-space: nowrap; }
.lab-hours { display: block; width: 120px; height: 26px; margin-left: auto; }
.lab-hours rect { fill: var(--mint); opacity: .7; }
.lab-pat td { vertical-align: top; }
.lab-pat .lab-hours { margin-left: 0; }
.lab-pat td.lbl { color: var(--text-mid); white-space: normal; min-width: 150px; }
.lab-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lab-flow .lab-fl { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; min-width: 0; }
.lab-flow h3 { margin: 0 0 8px; font-size: 14px; font-weight: 650; color: var(--text); }
.lab-flow h3 small { font-weight: 400; color: var(--text-dim); font-size: 12px; margin-left: 6px; }
.lab-empty { font-size: 12.5px; color: var(--text-dim); margin: 6px 0; }
@media (max-width: 900px) { .lab-flow { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 720px) {
  .lab-beta { font-size: 12px; }
  .lab-card > summary { padding: 14px; grid-template-columns: minmax(0, 1fr); }
  .lab-open { display: none; }
  .lab-body { padding: 12px 14px 14px; }
  .lab-rules { grid-template-columns: minmax(0, 1fr); }
  .lab-tbl th, .lab-tbl td { padding: 8px 6px; font-size: 12px; }
}