/* =============================================================================
   SectraTEK Lab: lab-0004.css
   Styles for LAB-0004 only (evidence-source explorer, reach chart, clock table).
   Loaded after research.css through extra_css. Tokens only; no inline styles.
   The width classes, lag lines and tick positions are generated for a log scale
   from 0.01 day (about 15 minutes) to 1,000 days: position = (log10(days) + 2) / 5.
   ============================================================================= */

/* Controls -------------------------------------------------------------------- */
.l4-ctl { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); }
.l4-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.lab-instrument .lab-chipbtn { background: transparent; border-color: var(--navy-line); color: var(--on-navy); }
.lab-instrument .lab-chipbtn:hover { border-color: var(--navy-accent); color: var(--white); }
.lab-instrument .lab-chipbtn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--navy-accent); color: var(--white); }

@media (max-width: 40em) {
  .l4-ctl { display: grid; gap: var(--space-2); width: 100%; }
  .l4-ctl .segmented { display: flex; width: 100%; max-width: 100%; }
  .l4-ctl .segmented__item { flex: 1 1 0; }
  .l4-ctl .segmented__label { width: 100%; justify-content: center; padding-inline: var(--space-2); font-size: var(--text-caption); text-align: center; }
}

/* Explorer panel --------------------------------------------------------------- */
.l4-stage { padding: var(--space-5); }
.l4-panel { background: var(--white-12); }
.l4-panel[hidden] { display: none; }
.l4-panel h3 { color: var(--white); font-size: 1.375rem; }
.l4-panel .chip { vertical-align: middle; margin-inline-start: 0.5em; }
.l4-verdict { display: flex; align-items: center; gap: 10px; margin: var(--space-3) 0 0; font-size: var(--text-small); color: var(--on-navy); }
.l4-verdict .rs-dot { border-color: var(--navy-line); }
.l4-verdict .rs-dot.is-on { background: var(--navy-accent); border-color: var(--navy-accent); }
.l4-verdict strong { font-weight: var(--weight-semibold); color: var(--white); }
.l4-grid { grid-template-columns: minmax(0, 1fr); margin-block-start: var(--space-5); }
@media (min-width: 52em) { .l4-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5) var(--space-6); } }
.l4-col { display: grid; gap: var(--space-4); align-content: start; min-width: 0; }
.l4-panel .l4-grid p + p { margin-block-start: var(--space-2); }
.l4-panel strong { color: var(--white); font-weight: var(--weight-semibold); }
.l4-note { margin-block-start: var(--space-3); color: var(--on-navy-2); }
.l4-none { color: var(--on-navy-2); }
.l4-ex { margin: 0; padding: var(--space-3) var(--space-4); border: 1px solid var(--navy-line); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.6; color: var(--on-navy); white-space: pre-wrap; overflow-wrap: anywhere; }
.l4-ex code { background: none; padding: 0; font-size: inherit; color: inherit; }

/* Reach bars (explorer and Figure 2) -------------------------------------------- */
.l4-reach, .l4-rows { margin: 0; padding: 0; list-style: none; }
.l4-reach > li, .l4-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px; padding-block: var(--space-2); }
.l4-reach__l { font-size: var(--text-small); color: var(--on-navy); line-height: 1.35; }
.l4-reach__v { font-size: var(--text-caption); color: var(--on-navy-2); line-height: 1.35; }
.l4-track { position: relative; display: block; height: 12px; border-radius: 6px; background-color: var(--white-12);
  background-image: linear-gradient(var(--navy-line), var(--navy-line)), linear-gradient(var(--navy-line), var(--navy-line)), linear-gradient(var(--navy-line), var(--navy-line));
  background-size: 1px 100%, 1px 100%, 1px 100%; background-repeat: no-repeat; background-position: 40% 0, 57% 0, 70% 0; }
.l4-fill { position: absolute; inset-block: 0; inset-inline-start: 0; border-radius: 6px; background: var(--navy-accent); min-width: 6px; }
.l4-fill--last { background-image: repeating-linear-gradient(135deg, var(--navy-accent) 0 5px, transparent 5px 9px); background-color: transparent; border: 1px solid var(--navy-accent); }
.l4-fill--bound { background: transparent; border: 2px dashed var(--navy-accent); }
.l4-w-6 { width: 6%; }
.l4-w-12 { width: 12%; }
.l4-w-40 { width: 40%; }
.l4-w-48 { width: 48%; }
.l4-w-58 { width: 58%; }
.l4-w-60 { width: 60%; }
.l4-w-61 { width: 61%; }
.l4-w-68 { width: 68%; }
.l4-w-70 { width: 70%; }
.l4-w-72 { width: 72%; }
.l4-w-93 { width: 93%; }

/* Figure 2 ------------------------------------------------------------------------ */
.l4-chart { padding: var(--space-5); }
.l4-grouprow { margin-block-start: var(--space-4); padding-block-end: var(--space-1); border-block-end: 1px solid var(--navy-line); font-size: var(--text-micro); letter-spacing: var(--track-eyebrow); text-transform: uppercase; font-weight: var(--weight-semibold); color: var(--navy-accent); }
.l4-grouprow:first-child { margin-block-start: 0; }
.l4-res { font-size: var(--text-caption); font-weight: var(--weight-medium); color: var(--on-navy-2); }
.l4-row.is-reach .l4-res { color: var(--white); }
.l4-row:not(.is-reach) .l4-fill { opacity: 0.45; }
.l4-lagline { position: absolute; inset-block: -4px; width: 2px; margin-inline-start: -1px; background: var(--white); border-radius: 1px; }
.l4-axis { display: block; margin-block-start: var(--space-3); }
.l4-axis__scale { position: relative; display: block; height: 1.5rem; }
.l4-tick { position: absolute; transform: translateX(-50%); font-size: var(--text-micro); color: var(--on-navy-2); white-space: nowrap; }
.l4-axis__l, .l4-axis__v { display: none; }
[data-l4-reach][data-lag="1h"] .l4-lagline { inset-inline-start: 12%; }
[data-l4-reach][data-lag="1d"] .l4-lagline { inset-inline-start: 40%; }
[data-l4-reach][data-lag="7d"] .l4-lagline { inset-inline-start: 57%; }
[data-l4-reach][data-lag="30d"] .l4-lagline { inset-inline-start: 70%; }
[data-l4-reach][data-lag="90d"] .l4-lagline { inset-inline-start: 79%; }
[data-l4-reach][data-lag="1y"] .l4-lagline { inset-inline-start: 91%; }
.l4-tick--1h { inset-inline-start: 12%; }
.l4-tick--1d { inset-inline-start: 40%; }
.l4-tick--7d { inset-inline-start: 57%; }
.l4-tick--30d { inset-inline-start: 70%; }
.l4-tick--90d { inset-inline-start: 79%; }
.l4-tick--1y { inset-inline-start: 91%; }
@media (max-width: 39.99em) {
  .l4-tick--1h, .l4-tick--7d, .l4-tick--90d { display: none; }
}
@media (min-width: 40em) {
  .l4-row { grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); column-gap: var(--space-4); align-items: center; }
  .l4-row .l4-reach__l { grid-column: 1; grid-row: 1 / span 2; }
  .l4-row .l4-track { grid-column: 2; grid-row: 1; }
  .l4-row .l4-reach__v { grid-column: 2; grid-row: 2; max-width: 70%; }
  .l4-row .l4-res { grid-column: 2; grid-row: 2; justify-self: end; text-align: end; max-width: 30%; }
  .l4-axis { margin-inline-start: calc(14rem + var(--space-4)); }
}

/* Tables --------------------------------------------------------------------------- */
.rs-ind.l4-tbl, .rs-ind.l4-tbl2, .rs-ind.l4-clk, .rs-ind.l4-src { font-size: 0.875rem; }
.rs-ind.l4-tbl thead th:nth-child(1) { width: 9%; }
.rs-ind.l4-tbl thead th:nth-child(2) { width: 9%; }
.rs-ind.l4-tbl thead th:nth-child(3) { width: 8%; }
.rs-ind.l4-tbl thead th:nth-child(4) { width: 24%; }
.rs-ind.l4-tbl thead th:nth-child(5) { width: 18%; }
.rs-ind.l4-tbl thead th:nth-child(6) { width: 15%; }
.rs-ind.l4-tbl thead th:nth-child(7) { width: 17%; }
.rs-ind.l4-tbl2 thead th:nth-child(1) { width: 34%; }
.rs-ind.l4-tbl2 thead th:nth-child(2) { width: 22%; }
.rs-ind.l4-tbl2 thead th:nth-child(3) { width: 24%; }
.rs-ind.l4-tbl2 thead th:nth-child(4) { width: 20%; }
.rs-ind.l4-clk thead th:nth-child(1) { width: 17%; }
.rs-ind.l4-clk thead th:nth-child(2) { width: 14%; }
.rs-ind.l4-clk thead th:nth-child(3) { width: 24%; }
.rs-ind.l4-clk thead th:nth-child(4) { width: 25%; }
.rs-ind.l4-clk thead th:nth-child(5) { width: 20%; }
.rs-ind.l4-src thead th:nth-child(1) { width: 62%; }
.rs-ind.l4-src thead th:nth-child(2) { width: 20%; }
.rs-ind.l4-src thead th:nth-child(3) { width: 18%; }

@media (forced-colors: active) {
  .l4-fill { background: Highlight; }
  .l4-fill--last, .l4-fill--bound { background: transparent; border-color: Highlight; }
  .l4-verdict .rs-dot.is-on { background: CanvasText; }
  .l4-lagline { background: CanvasText; }
}