/* ════════════════════════════════════════════════════════════════════════
   TW Market — Options PCR (選擇權 PCR) — dedicated page
   Focus = PCR vs TAIEX dual-pane (shared x-axis + crosshair → read divergence).
   Layout aligns with the in-app analysis pages (institutional/margin).
   ALL color / radius / shadow / motion via main.css tokens.
   ════════════════════════════════════════════════════════════════════════ */

#box_main {
  flex: 1;
  min-width: 0;
  min-height: 800px;
  padding-top: 14px;
  padding-left: 20px;
  max-width: 1340px;
}

/* ── Page head ── */
.pagehead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-16);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}
.titlewrap { display: flex; flex-direction: column; gap: 2px; }
.titlewrap .eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--color-greyMedium);
  font-family: "Roboto Mono", monospace;
}
.titlewrap h1 { margin: 0; color: var(--color-black); }
body.dark-mode .titlewrap h1 { color: var(--color-darkText); }
.titlewrap .meta { font-size: 12px; color: var(--color-greyMedium); }
.titlewrap .meta .pos { color: var(--color-green); }
.titlewrap .meta .neg { color: var(--color-red); }

.toolbar { display: flex; gap: var(--space-8); align-items: center; flex-wrap: wrap; }
.segment { display: inline-flex; border: 1px solid var(--color-greyLight); border-radius: var(--radius-sm); overflow: hidden; }
body.dark-mode .segment { border-color: var(--color-darkBorder); }
.segment .btn_range {
  height: 32px; padding: 0 12px; border: none; background: transparent; color: var(--color-greyMedium);
  font-size: 12px; font-family: inherit; cursor: pointer; border-right: 1px solid var(--color-greyLight);
  transition: background var(--motion-fast) ease;
}
body.dark-mode .segment .btn_range { border-right-color: var(--color-darkBorder); }
.segment .btn_range:last-child { border-right: none; }
.segment .btn_range:hover { background: var(--color-greyLight); }
body.dark-mode .segment .btn_range:hover { background: var(--color-darkBorder); }
.segment .btn_range.active { background: var(--color-pureWhite); color: var(--color-black); font-weight: 600; box-shadow: var(--shadow-sm); }
body.dark-mode .segment .btn_range.active { background: var(--color-darkBorder); color: var(--color-darkText); box-shadow: none; }

/* ── Card ── */
.card { background: var(--color-surface); border: none; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: var(--space-16); }
body.dark-mode .card { background: var(--color-darkCard); box-shadow: none; }
.card-h { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-8); margin-bottom: var(--space-12); }
.card-h h6 { margin: 0; font-size: 13px; font-weight: 600; color: var(--color-black); }
body.dark-mode .card-h h6 { color: var(--color-darkText); }
.card-h .meta { font-size: 12px; color: var(--color-greyMedium); }
.chart_box { position: relative; }

/* .num / .mono come from main.css (global utility layer) — don't redefine here. */
.pos { color: var(--color-green); }
.neg { color: var(--color-red); }
.mut { color: var(--color-greyMedium); }

/* ── Summary card ── */
.ssr-summary { margin-bottom: var(--space-16); }
.ssr-summary .card-h .ssr-date { color: var(--color-greyMedium); font-weight: 400; font-size: 12px; margin-left: 8px; }

.ssr-stats {
  display: flex; gap: var(--space-16); flex-wrap: wrap;
  padding-top: var(--space-12); border-top: 1px solid var(--color-greyLight);
}
body.dark-mode .ssr-stats { border-top-color: var(--color-darkBorder); }
.ssr-stat { flex: 1; min-width: 80px; display: flex; flex-direction: column; gap: var(--space-4); }
.ssr-stat .lab { font-size: 11px; color: var(--color-greyMedium); white-space: nowrap; }
.ssr-stat .val { font-size: 20px; font-weight: 500; color: var(--color-black); }
body.dark-mode .ssr-stat .val { color: var(--color-darkText); }

/* ── Analysis grid ── */
.analysis { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--space-16); align-items: start; }
.col-main { display: flex; flex-direction: column; gap: var(--space-16); min-width: 0; }
.col-side { display: flex; flex-direction: column; gap: var(--space-16); position: sticky; top: var(--space-16); }

/* Focal chart = Chart.js dual-axis overlay (TAIEX black price line + PCR fill
   line), same recipe/container as the in-app institutional/margin overlays:
   a <canvas> in a fixed-height .chart_box (.chart_box{position:relative} above,
   height set inline like institutional). Chart.js (responsive +
   maintainAspectRatio:false) sizes the canvas — no extra canvas rule needed. */

/* ── Plain-language read ── */
.read { display: flex; flex-direction: column; gap: var(--space-8); }
.read .line { border: 1px solid var(--color-greyLight); border-radius: var(--radius-sm); padding: 9px 11px; font-size: 13px; line-height: 1.45; display: flex; gap: 8px; align-items: flex-start; color: var(--color-greyDark); }
body.dark-mode .read .line { border-color: var(--color-darkBorder); color: var(--color-darkText); }
.read .tag { flex: none; font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; border-radius: var(--radius-micro); padding: 2px 6px; margin-top: 1px; }
.tag-pos { background: var(--color-greenLight); color: var(--color-greenBlack); }
.tag-neg { background: var(--color-redLight); color: var(--color-redBlack); }
.tag-neu { background: var(--color-greyLight); color: var(--color-greyDark); }
body.dark-mode .tag-neu { background: var(--color-darkBorder); color: var(--color-greyLightMedium); }

/* ── Latest-day stats ── */
.stat-row { display: flex; flex-direction: column; gap: var(--space-12); }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat + .stat { border-top: 1px solid var(--color-greyLight); padding-top: var(--space-12); }
body.dark-mode .stat + .stat { border-top-color: var(--color-darkBorder); }
.stat .lab { font-size: 12px; color: var(--color-greyMedium); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.stat .val { font-size: 24px; font-weight: 500; line-height: 1.1; color: var(--color-black); }
body.dark-mode .stat .val { color: var(--color-darkText); }
.stat .val.pos { color: var(--color-green); }
.stat .val.neg { color: var(--color-red); }
.stat .delta { font-size: 12px; color: var(--color-greyMedium); }

/* PCR own-range bar — where today sits inside PCR's own recent low–high.
   NOT a percentile / neutral / fixed-threshold bar. */
.rangebar { margin-top: 10px; }
.rangebar .track { position: relative; height: 6px; border-radius: var(--radius-pill); background: var(--color-greyLight); }
body.dark-mode .rangebar .track { background: var(--color-darkBorder); }
.rangebar .fill { position: absolute; top: 0; bottom: 0; left: 0; border-radius: var(--radius-pill); background: var(--color-data-2); opacity: .35; }
.rangebar .mark { position: absolute; top: -3px; width: 2px; height: 12px; background: var(--color-data-2); border-radius: 1px; }
.rangebar .scale { display: flex; justify-content: space-between; font-size: 10px; color: var(--color-greyMedium); margin-top: 4px; gap: 6px; }
.rangebar .scale .mono { font-size: 10px; }

/* ── Call/Put breakdown table — same recipe as the in-app table.tbl
   (institutional/margin), minus the sort affordance (this is a fixed 2×3
   matrix of the latest day, not a sortable time series). ── */
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
table.tbl thead th {
  background: var(--color-surface); color: var(--color-greyMedium);
  font-weight: 600; font-size: 12px; padding: 8px; border-bottom: 1px solid var(--color-greyLight);
  text-align: right; white-space: nowrap;
}
table.tbl thead th:first-child { text-align: left; }
table.tbl tbody td { padding: 7px 8px; text-align: right; border-bottom: 1px solid var(--color-greyLight); font-family: "Roboto Mono", monospace; color: var(--color-black); }
table.tbl tbody td:first-child { text-align: left; font-family: inherit; color: var(--color-greyDark); white-space: nowrap; }
table.tbl tbody tr:last-child td { border-bottom: none; }
body.dark-mode table.tbl thead th { background: var(--color-darkCard); border-bottom-color: var(--color-darkBorder); }
body.dark-mode table.tbl tbody td { color: var(--color-darkText); border-bottom-color: var(--color-darkBorder); }
body.dark-mode table.tbl tbody td:first-child { color: var(--color-greyLightMedium); }

/* ── SEO explain block (server-rendered, always visible for crawlers) ── */
.seo-explain {
  margin-top: var(--space-16);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-16);
}
.seo-explain h2 {
  font-size: 13px; font-weight: 600; color: var(--color-black);
  margin: 0 0 var(--space-8) 0;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-greyLight);
}
.seo-explain p {
  font-size: 13px; color: var(--color-greyMedium); line-height: 1.7; margin: 0;
}
body.dark-mode .seo-explain { background: var(--color-darkCard); box-shadow: none; }
body.dark-mode .seo-explain h2 { color: var(--color-darkText); border-bottom-color: var(--color-darkBorder); }

/* ── Toolbar controls (export btn, etc.) ── */
.ctrl {
  height: 32px; display: inline-flex; align-items: center; gap: 6px; padding: 0 12px;
  border: 1px solid var(--color-greyLight); background: transparent; color: var(--color-black);
  border-radius: var(--radius-sm); font-size: 13px; font-family: inherit; cursor: pointer;
  transition: background var(--motion-fast) ease;
}
.ctrl:hover { background: var(--color-greyLight); }
body.dark-mode .ctrl { border-color: var(--color-darkBorder); color: var(--color-darkText); }
body.dark-mode .ctrl:hover { background: var(--color-darkBorder); }

/* ── States ── */
.loader_wrap { display: flex; flex-direction: column; gap: var(--space-12); justify-content: center; align-items: center; padding: 32px 0; color: var(--color-greyMedium); font-size: 13px; }
.loader_wrap .msg.error { color: var(--color-red); }
.retry { height: 30px; padding: 0 14px; border: 1px solid var(--color-greyLight); background: transparent; border-radius: var(--radius-sm); font: 500 12px "Roboto Mono", monospace; color: var(--color-greyDark); cursor: pointer; transition: border-color var(--motion-fast) ease; }
body.dark-mode .retry { border-color: var(--color-darkBorder); color: var(--color-darkText); }
.retry:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ── Daily table ── */
.tbl-wrap { overflow-x: auto; overflow-y: auto; -webkit-overflow-scrolling: touch; max-height: 420px; }

/* ── RWD ── */
@media (max-width: 1300px) {
  .analysis { grid-template-columns: 1fr; }
  .col-side { position: static; }
  #box_container { padding-top: 60px !important; }
  #box_main { padding-left: 0; }
  /* RWD offcanvas button names the section — drop the page title, keep .meta */
  .titlewrap .eyebrow,
  .titlewrap h1 { display: none; }
}
@media (max-width: 768px) {
  .pagehead { flex-direction: column; align-items: stretch; }
  .toolbar { width: 100%; }
  .segment { width: 100%; }
  .segment .btn_range { flex: 1; }
  .sb-inner { grid-template-columns: 1fr; }
}