/* ============ Portfolio page (charts, tables, digest) ============ */
/* Series and polarity colours: validated categorical slots, stepped separately for dark mode */
:root { --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --pos: #2a78d6; --neg: #d03b3b; --pos-text: #1c5cab; --neg-text: #b83434; }
:root[data-mode="dark"] { --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --pos: #3987e5; --neg: #e66767; --pos-text: #86b6ef; --neg-text: #ee8a8a; }
.pos, .dlt.pos { color: var(--pos-text); }
.neg, .dlt.neg { color: var(--neg-text); }
.dlt { font-variant-numeric: tabular-nums; white-space: nowrap; }
.pf { display: flex; flex-direction: column; gap: var(--gap); }
.pf > *, #pf-body > * { flex-shrink: 0; }
.pf .panel-body { padding: 4px var(--pad) var(--pad); }
.pf-loading { padding: 60px; text-align: center; color: var(--muted); }
.pf-empty { padding: var(--pad); }
.pf-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 24px; }
.pf-total small { display: block; color: var(--muted); font-size: 12.5px; }
.pf-total b { display: block; font-family: var(--font-display); font-size: 34px; font-weight: 600; letter-spacing: -0.03em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.pf-total > span { font-size: 14px; }
.pf-filters { margin-left: auto; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.pf-asof { font-size: 12px; }
.pf-tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; border-bottom: 1px solid var(--border-strong); }
.pf-tabs::-webkit-scrollbar { display: none; }
.pf-tabs button { border: 0; background: none; padding: 9px 12px 10px; font: inherit; font-weight: 500; color: var(--muted); cursor: pointer; white-space: nowrap; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.pf-tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
#pf-body { display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }
.pf-stats { margin-bottom: 0; }
.pf-stat b { font-size: 24px; font-variant-numeric: tabular-nums; }
.pf-stat b small { font-size: 13px; color: var(--muted); font-weight: 500; }
.pf-stat > span { display: block; }
.pf-stat > small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.pf-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); }
.pf-note { color: var(--muted); font-size: 12px; margin: 10px 0 0; }
.pf-sub { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border-strong); }
.seg.sm button { padding: 4px 9px; font-size: 12px; }
.pf a[data-pos], .pf-detail a[data-pos] { color: inherit; cursor: pointer; text-decoration: none; }
.pf a[data-pos]:hover { color: var(--accent); text-decoration: underline; }

/* charts */
.chart { position: relative; width: 100%; min-width: 0; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .tick { fill: var(--faint); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .ref { stroke: var(--muted); stroke-width: 1.2; stroke-dasharray: 4 4; }
.chart .ref-label { fill: var(--muted); font-size: 11px; }
.chart .cross { stroke: var(--border-strong); stroke-width: 1; }
.chart-tip { position: absolute; top: 34px; z-index: 5; pointer-events: none; background: var(--surface-solid); border: 1px solid var(--border-strong); border-radius: 10px; padding: 8px 10px; box-shadow: var(--shadow); font-size: 12px; min-width: 150px; }
.chart-tip small { display: block; color: var(--muted); margin-bottom: 3px; }
.chart-tip div { display: flex; align-items: center; gap: 6px; }
.chart-tip b { margin-left: auto; padding-left: 12px; font-variant-numeric: tabular-nums; }
.chart-tip i, .chart-legend i { width: 10px; height: 3px; border-radius: 2px; display: inline-block; flex: none; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.bars { display: flex; flex-direction: column; gap: 7px; }
.bar-row { display: grid; grid-template-columns: minmax(0, 42%) 1fr 64px; align-items: center; gap: 10px; font-size: 13px; }
.bar-row .bl { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .bl small { display: block; color: var(--faint); font-size: 11px; overflow: hidden; text-overflow: ellipsis; }
.bar-row .bt { height: 10px; position: relative; display: flex; }
.bar-row .bt > i { display: block; height: 100%; border-radius: 0 4px 4px 0; }
.bar-row .bv { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }
.dbars .bt .half { flex: 1; display: flex; height: 100%; }
.dbars .bt .half.neg { justify-content: flex-end; border-right: 1px solid var(--border-strong); }
.dbars .bt .half i { display: block; height: 100%; }
.dbars .half.neg i { background: var(--neg); border-radius: 4px 0 0 4px; }
.dbars .half.pos i { background: var(--pos); border-radius: 0 4px 4px 0; }
.stack { display: flex; gap: 2px; height: 14px; border-radius: 7px; overflow: hidden; margin-bottom: 8px; }
.stack i { display: block; min-width: 2px; }
.pf-split .panel-body { padding-top: var(--pad); }
.corridor { display: block; overflow: visible; }
.corridor .cor-track { fill: var(--border-strong); }
.corridor .cor-band { fill: var(--s1); opacity: .22; }
.corridor .cor-avg { stroke: var(--muted); stroke-width: 1.5; }
.corridor .cor-cost { stroke: var(--text); stroke-width: 1.2; stroke-dasharray: 2 2; }
.corridor .cor-now { fill: var(--s1); stroke: var(--surface-solid); stroke-width: 2; }

/* tables */
.pf-table-wrap { overflow-x: auto; }
.pf-table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.pf-table th { font-weight: 500; color: var(--muted); font-size: 12px; text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--border-strong); white-space: nowrap; }
.pf-table th[data-sort] { cursor: pointer; user-select: none; }
.pf-table th[data-sort]:hover { color: var(--text); }
.pf-table td { text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; vertical-align: middle; }
.pf-table .l { text-align: left; }
.pf-table td small { display: block; color: var(--faint); font-size: 11px; }
.pf-table td.l b { font-weight: 600; }
.pf-table tbody tr[data-pos] { cursor: pointer; }
.pf-table tbody tr[data-pos]:hover td, .pf-table tbody tr[data-pos]:focus td { background: var(--accent-soft); }
.pf-table tr.hl td { font-weight: 600; }
.pf-table.compact td, .pf-table.compact th { padding: 6px 8px; }
.pf-table-wrap > .pf-table { min-width: 860px; }
.pf-table-wrap > .pf-table.compact { min-width: 0; }
.trend { font-size: 12px; }
.trend.up { color: var(--pos-text); } .trend.down { color: var(--neg-text); } .trend.sideways { color: var(--muted); }

/* correlation heatmap */
.heat-wrap { overflow-x: auto; }
.heat { border-collapse: separate; border-spacing: 2px; font-size: 11px; font-variant-numeric: tabular-nums; }
.heat th { font-weight: 500; color: var(--muted); text-align: right; padding: 2px 6px; white-space: nowrap; }
.heat thead th { height: 100px; vertical-align: bottom; text-align: left; padding: 0; }
.heat thead th span { display: inline-block; transform: rotate(-50deg); transform-origin: 8px 100%; white-space: nowrap; width: 26px; }
.heat td { width: 34px; height: 26px; text-align: center; border-radius: 4px; color: var(--text); background: color-mix(in srgb, var(--s1) calc(var(--a) * 85%), transparent); }
.heat td.neg { background: color-mix(in srgb, var(--neg) calc(var(--a) * 85%), transparent); }
.heat td.diag { background: var(--surface-2); }

/* strengths & watch points */
.pf-ins-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
.pf-ins-col { display: flex; flex-direction: column; gap: 10px; }
.pf-ins-col h3 { font-size: 15px; }
.pf-ins { padding: 14px 16px; border-left: 3px solid var(--border-strong); }
.pf-ins.strength { border-left-color: var(--pos); }
.pf-ins.watch { border-left-color: var(--warn); }
.pf-ins small { color: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.pf-ins b { display: block; margin: 2px 0 4px; }
.pf-ins p { margin: 0; color: var(--muted); font-size: 13px; }

/* digest */
.pf-digest { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--gap); align-items: start; }
.pf-digest-main, .pf-digest-side { display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }
.pf-headline { font-size: 20px; margin: 6px 0 10px; line-height: 1.3; }
p.pf-headline { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.pf-summary li, .pf-brief-teaser li { margin: 3px 0; }
.pf-gaps { background: var(--warn-soft); color: var(--text); border-radius: 10px; padding: 8px 12px; margin: 6px 0 10px; font-size: 13px; }
.pf-stories { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 24px; }
.pf-stories h4 { margin: 0 0 4px; font-size: 14px; }
.pf-stories p { margin: 0 0 6px; font-size: 13px; color: var(--muted); }
.pf-stories p b { color: var(--text); }
.pf-archive { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; max-height: 420px; overflow: auto; }
.pf-archive button { width: 100%; text-align: left; border: 0; background: none; padding: 6px 8px; border-radius: 8px; cursor: pointer; font: inherit; color: inherit; }
.pf-archive button:hover, .pf-archive button.on { background: var(--accent-soft); }
.pf-archive small { display: block; color: var(--muted); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pf-sources { font-size: 12.5px; }
.pf-trades { font-size: 12.5px; padding-left: 18px; }

/* position detail */
.modal.lg { width: min(900px, 100%); }
.pf-detail { display: flex; flex-direction: column; gap: 14px; }
.pf-d-top { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.pf-d-top > div { background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; min-width: 0; }
.pf-d-top small { color: var(--muted); font-size: 11.5px; display: block; }
.pf-d-top b { display: block; font-family: var(--font-display); font-size: 17px; font-variant-numeric: tabular-nums; }
.pf-d-top span { font-size: 12px; color: var(--muted); }
.pf-d-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.pf-d-story { background: var(--surface-2); border-radius: 12px; padding: 10px 14px; font-size: 13px; }
.pf-d-story p { margin: 4px 0; }

@media (max-width: 1100px) {
  .pf-ins-grid { grid-template-columns: 1fr 1fr; }
  .pf-digest { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .pf-grid2, .pf-ins-grid, .pf-stories, .pf-d-grid { grid-template-columns: minmax(0, 1fr); }
  .pf .panel { min-width: 0; }
  .pf-d-top { grid-template-columns: 1fr 1fr; }
  .pf-filters { margin-left: 0; align-items: flex-start; }
  .pf-filters .seg { flex-wrap: wrap; border-radius: 14px; }
  .pf-total b { font-size: 28px; }
  .pf .panel-head { flex-wrap: wrap; }
  .pf .panel-head .right { margin-left: 0; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
  .pf .panel-head .right .seg { flex-wrap: nowrap; }
  .pf-stat b { font-size: 19px; }
  .pf .panel-body, .pf .panel-head { padding-left: 14px; padding-right: 14px; }
  .bar-row { grid-template-columns: minmax(0, 46%) 1fr 56px; }
}