/* ============================================================
 * Portfolio Overlap page — Fix-List 8 Feature 2
 *
 * Black header / white body / Cambria everywhere / negative-only red.
 * Two-pane layout: 300px fund picker on the left + flex-grow matrix on
 * the right.  All colour values inherit from `centricity.css` brand
 * variables (--gold, --tan, --rule, --text-mid, …) — only the matrix
 * gradient bins are page-specific.
 * ============================================================ */

.overlap-main {
  max-width: 1680px; margin: 0 auto;
  padding: 18px 36px 36px;
}

.overlap-head { margin-bottom: 18px; }
.overlap-head .eyebrow {
  display: inline-block; font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 6px;
}
.overlap-head h1 {
  font-size: 28px; font-weight: 700; letter-spacing: -.01em;
  margin: 0 0 6px; color: #000;
}
.overlap-head h1 em {
  font-style: italic; font-weight: 400; color: var(--gold-deep);
}
.overlap-head .h-sub {
  font-size: 13.5px; color: var(--text-mid); margin: 0;
  max-width: 92ch; line-height: 1.55;
}
.overlap-head .h-sub code {
  font-family: 'Consolas', 'Menlo', monospace;
  font-size: 12px; padding: 1px 5px; background: #f5f3ee;
  border-radius: 3px;
}

/* ---------- two-pane layout ---------- */
.overlap-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 22px;
  align-items: flex-start;
}

@media (max-width: 1280px) {
  .overlap-layout { grid-template-columns: 260px 1fr; gap: 16px; }
}

/* ---------- left picker pane ---------- */
.overlap-picker {
  background: #fff; border: 1px solid var(--rule); border-radius: 4px;
  padding: 14px 14px 8px;
  position: sticky; top: 84px;
  max-height: calc(100vh - 110px);
  display: flex; flex-direction: column;
}
.overlap-picker .picker-head { padding-bottom: 10px; border-bottom: 1px solid var(--rule); }
.overlap-picker .picker-title-row {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 8px;
}
.overlap-picker h3 {
  margin: 0; font-size: 15px; font-weight: 700; color: #000;
}
.overlap-picker .picker-counter {
  font-size: 11.5px; color: var(--gold); font-weight: 700;
}
.overlap-picker .picker-search {
  width: 100%; box-sizing: border-box;
  padding: 7px 10px; font-size: 12.5px;
  font-family: inherit;
  border: 1px solid var(--rule); border-radius: 3px;
  background: #fafaf7; color: #000;
}
.overlap-picker .picker-search:focus {
  outline: 2px solid var(--gold); outline-offset: 0;
}

.overlap-picker .picker-cat-wrap { position: relative; margin-top: 8px; }
.overlap-picker .picker-cat-btn {
  width: 100%; padding: 7px 10px; font-size: 12px;
  font-family: inherit; text-align: left;
  border: 1px solid var(--rule); border-radius: 3px;
  background: #fff; color: var(--ink); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.overlap-picker .picker-cat-btn .caret { color: var(--gold); }
.overlap-picker .picker-cat-panel {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: #fff; border: 1px solid var(--rule); border-radius: 4px;
  max-height: 280px; overflow-y: auto; z-index: 20;
  padding: 6px 4px; box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
}
.overlap-picker .picker-cat-panel[hidden] { display: none; }
.overlap-picker .picker-cat-panel label {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px; font-size: 12px; cursor: pointer;
}
.overlap-picker .picker-cat-panel label:hover { background: #fafaf7; }

.overlap-picker .picker-actions {
  display: flex; gap: 6px; margin-top: 8px;
}
.overlap-picker .picker-actions .btn { flex: 1; }
.overlap-picker .picker-cap-note {
  margin: 8px 0 0; padding: 6px 8px;
  background: rgba(147, 22, 33, .08); color: var(--red);
  border-left: 3px solid var(--red); font-size: 11.5px;
  font-style: italic; border-radius: 0 3px 3px 0;
}
.overlap-picker .picker-cap-note[hidden] { display: none; }

.overlap-picker .picker-list {
  flex: 1; overflow-y: auto;
  margin-top: 8px;
}
.overlap-picker .picker-pending {
  font-size: 12.5px; color: var(--text-mid);
  font-style: italic; padding: 14px 8px;
}
.overlap-picker .picker-row {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  align-items: center;
  padding: 5px 4px;
  border-bottom: 1px solid var(--rule);
  font-size: 12px;
  cursor: pointer;
}
.overlap-picker .picker-row:hover { background: #fafaf7; }
.overlap-picker .picker-row.selected { background: rgba(189, 149, 104, .12); }
.overlap-picker .picker-row.disabled { opacity: .4; cursor: not-allowed; }
.overlap-picker .picker-row input[type="checkbox"] {
  margin: 0; accent-color: var(--gold);
}
.overlap-picker .picker-row .pr-name {
  display: block; color: #000; line-height: 1.2;
  font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.overlap-picker .picker-row .pr-cat {
  display: block; color: var(--text-mid); font-size: 10.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- right matrix pane ---------- */
.overlap-matrix-wrap {
  background: #fff; border: 1px solid var(--rule); border-radius: 4px;
  padding: 16px 18px 22px;
  min-height: 540px;
}

.matrix-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-bottom: 14px; flex-wrap: wrap;
}
.matrix-toolbar .toolbar-left,
.matrix-toolbar .toolbar-right {
  display: flex; align-items: center; gap: 10px;
}
.threshold-label {
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; color: var(--ink);
}
.threshold-label input[type="range"] {
  width: 180px; accent-color: var(--gold);
}
.threshold-label .threshold-value {
  font-weight: 700; color: var(--gold);
  font-variant-numeric: tabular-nums; min-width: 36px;
}

/* The .btn xs modifier — small variant */
.btn.xs {
  padding: 5px 12px; font-size: 11px; letter-spacing: .08em;
}

/* matrix empty / area */
.matrix-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 14px;
  padding: 70px 32px; text-align: center;
}
.matrix-empty .ring-motif { width: 120px; height: 120px; }
.matrix-empty h3 { margin: 0; font-size: 18px; font-weight: 700; color: #000; }
.matrix-empty p {
  margin: 0; font-size: 13px; color: var(--text-mid);
  max-width: 56ch; line-height: 1.55;
}

.matrix-area[hidden] { display: none; }

.matrix-legend {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  font-size: 11.5px; color: var(--text-mid);
  margin-bottom: 14px;
}
.matrix-legend .ml-title {
  font-weight: 700; color: var(--ink); letter-spacing: .04em;
}
.matrix-legend .ml-bin {
  display: inline-flex; align-items: center; gap: 5px;
}
.matrix-legend .ml-bin i {
  display: inline-block; width: 14px; height: 14px;
  border-radius: 2px;
}

/* matrix mount */
.matrix-mount {
  overflow: auto;
  max-width: 100%;
}
table.overlap-matrix {
  border-collapse: collapse;
  font-family: 'Cambria', Georgia, serif;
  font-variant-numeric: tabular-nums;
}
table.overlap-matrix th,
table.overlap-matrix td {
  border: 1px solid var(--rule);
  padding: 0;
  text-align: center;
}
table.overlap-matrix thead th {
  background: #000; color: #fff;
  font-size: 11px; font-weight: 700;
  padding: 8px 6px; min-width: 36px;
  letter-spacing: .04em;
}
table.overlap-matrix thead th.row-label-corner {
  background: #fff; border-color: transparent;
  min-width: 240px;
}
table.overlap-matrix tbody th.row-label {
  background: #fafaf7; color: #000;
  font-size: 12px; font-weight: 600;
  padding: 6px 10px; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 240px; min-width: 240px;
}
table.overlap-matrix tbody th.row-label .rl-num {
  display: inline-block; width: 22px; color: var(--text-mid);
  margin-right: 6px;
}
table.overlap-matrix td.cell {
  width: 36px; height: 30px;
  font-size: 11.5px; font-weight: 700;
  cursor: pointer; transition: filter .15s;
  color: #000;
}
table.overlap-matrix td.cell:hover { filter: brightness(.92); }
table.overlap-matrix td.cell.below-threshold {
  opacity: .25; cursor: default;
}
table.overlap-matrix td.cell.bin-self {
  background: #D9D9D9; color: #8A8A8A; cursor: default;
}
table.overlap-matrix td.cell.bin-0   { background: #F1E7D6; color: #5C4A2E; }
table.overlap-matrix td.cell.bin-20  { background: #E0C49B; color: #4A3A1E; }
table.overlap-matrix td.cell.bin-40  { background: #C99F66; color: #3A2C14; }
table.overlap-matrix td.cell.bin-60  { background: #A87B43; color: #fff; }
table.overlap-matrix td.cell.bin-80  { background: #855E2C; color: #fff; }

/* grouping bar (top horizontal line — category or AMC grouping) */
table.overlap-matrix thead tr.group-row th.grp {
  font-size: 10px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; padding: 5px 8px; text-align: center;
  border: 1px solid #fff; white-space: nowrap;
}
/* left vertical grouping bar (mirrors the top bar) */
table.overlap-matrix tbody th.vgrp {
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-size: 10px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; text-align: center; vertical-align: middle;
  white-space: nowrap; padding: 4px 3px; width: 26px; max-width: 26px;
  border: 1px solid #fff;
}

/* group-by toggle (Category / AMC) */
.order-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  margin-left: 22px; font-size: 12.5px;
}
.order-toggle .ot-label { color: var(--text-mid); }
.order-toggle .ot-btn {
  font-family: inherit; font-size: 11.5px; padding: 4px 11px; cursor: pointer;
  border: 1px solid var(--rule); background: #fff; color: var(--ink);
}
.order-toggle .ot-btn:first-of-type { border-radius: 3px 0 0 3px; }
.order-toggle .ot-btn:last-of-type  { border-radius: 0 3px 3px 0; border-left: none; }
.order-toggle .ot-btn.active {
  background: var(--gold); color: #fff; border-color: var(--gold);
}

/* picker filter dropdown — clear ✕, search box, Select-all */
.overlap-picker .picker-cat-btn .pcb-label {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.overlap-picker .picker-cat-btn .pcb-tools {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
}
.overlap-picker .picker-cat-btn .pcb-clear {
  color: var(--text-mid); font-size: 12px; line-height: 1; cursor: pointer;
  padding: 0 3px; border-radius: 2px;
}
.overlap-picker .picker-cat-btn .pcb-clear:hover { color: var(--red); background: rgba(147, 22, 33, .08); }
.overlap-picker .picker-cat-panel .panel-search {
  width: 100%; box-sizing: border-box; margin-bottom: 6px;
  padding: 6px 8px; font-family: inherit; font-size: 12px; color: #000;
  border: 1px solid var(--rule); border-radius: 3px; background: #fafaf7;
}
.overlap-picker .picker-cat-panel .panel-search:focus { outline: 2px solid var(--gold); outline-offset: 0; }
.overlap-picker .picker-cat-panel .panel-all {
  font-weight: 700; color: #000; border-bottom: 1px solid var(--rule); margin-bottom: 4px;
}
.overlap-picker .picker-cat-panel .panel-all input,
.overlap-picker .picker-cat-panel label input { accent-color: var(--gold); }
.overlap-picker .picker-cat-panel .panel-list { max-height: 200px; overflow-y: auto; }
.overlap-picker .picker-cat-panel .panel-empty {
  font-size: 12px; color: var(--text-mid); font-style: italic; padding: 8px;
}

.matrix-foot {
  margin: 14px 0 0; font-size: 11.5px; color: var(--text-mid);
  font-style: italic; line-height: 1.4;
}

/* Cell tooltip — positioned absolutely by JS */
.cell-tooltip {
  position: fixed; z-index: 100;
  background: #000; color: #fff;
  padding: 10px 12px; border-radius: 4px;
  font-size: 11.5px; font-family: 'Cambria', Georgia, serif;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
  max-width: 320px;
}
.cell-tooltip[hidden] { display: none; }
.cell-tooltip .ct-h {
  font-weight: 700; color: var(--gold); margin-bottom: 6px;
}
.cell-tooltip table { border-collapse: collapse; width: 100%; }
.cell-tooltip table th,
.cell-tooltip table td {
  padding: 2px 6px; font-size: 11px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.cell-tooltip table th {
  text-align: left; font-weight: 600; color: rgba(255, 255, 255, .8);
}
.cell-tooltip table td { text-align: right; font-variant-numeric: tabular-nums; }
.cell-tooltip table td:first-child { text-align: left; color: #fff; }