:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #16202b;
  --muted: #637083;
  --line: #dfe5ec;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --readable: #15803d;
  --readable-soft: #e8f5ec;
  --marginal: #b45309;
  --marginal-soft: #fdf3e3;
  --unreadable: #b91c1c;
  --unreadable-soft: #fdecec;
  --undecidable: #6b4fbb;
  --undecidable-soft: #f0ecfb;
  --neutral-soft: #eef1f5;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(22, 32, 43, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, #eceefe 0, transparent 30rem),
    radial-gradient(circle at 100% 8%, #e8f4ef 0, transparent 26rem),
    var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans SC", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.page {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.lede {
  max-width: 730px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.mode-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.badge-neutral { background: var(--neutral-soft); color: var(--muted); }
.badge-static { background: var(--marginal-soft); color: var(--marginal); }
.badge-live { background: var(--readable-soft); color: var(--readable); }

.mode-note {
  margin: 12px 0 16px;
  color: var(--muted);
  font-size: 13px;
}

.mode-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.button {
  appearance: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 9px;
  padding: 9px 13px;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
  transition: transform 120ms ease, opacity 120ms ease;
}

.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: 0.45; }

.button-ghost {
  background: transparent;
  color: var(--accent);
}

.rerun-status {
  min-height: 1.4em;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.error {
  margin-bottom: 20px;
  border: 1px solid #f2c4c4;
  background: var(--unreadable-soft);
  color: var(--unreadable);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-weight: 600;
}

.summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.metric-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.metric-card .metric-value {
  display: block;
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 780;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.metric-card .metric-label {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.metric-card .metric-hint {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 480px;
  gap: 16px;
  align-items: start;
}

.layout > * { min-width: 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  min-width: 0;
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

h2 { margin: 0; font-size: 15px; letter-spacing: -0.01em; }

.muted { color: var(--muted); font-size: 12px; }

.case-list { display: grid; gap: 8px; }

.case-button {
  width: 100%;
  border: 1px solid var(--line);
  background: #fbfcfd;
  color: var(--ink);
  border-radius: 10px;
  padding: 11px 12px;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}

.case-button:hover { border-color: #b8c6d6; transform: translateX(2px); }
.case-button.is-selected { border-color: var(--accent); background: var(--accent-soft); }

.case-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.case-id { font-size: 12px; font-weight: 800; color: var(--muted); }
.case-label { margin: 4px 0 0; font-size: 13px; line-height: 1.45; }

.verdict-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.verdict-readable { background: var(--readable-soft); color: var(--readable); }
.verdict-marginal { background: var(--marginal-soft); color: var(--marginal); }
.verdict-unreadable { background: var(--unreadable-soft); color: var(--unreadable); }
.verdict-undecidable { background: var(--undecidable-soft); color: var(--undecidable); }

.case-question {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: #f8f9ff;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
}

.verdict-block {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.verdict-meaning { margin: 0; color: var(--muted); font-size: 13px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 11px;
  background: #fbfcfd;
}

.metric .label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.metric .value {
  display: block;
  margin-top: 3px;
  font-size: 16px;
  font-weight: 760;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.metric .source {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.reasons { margin: 0 0 12px; }
.reasons h3, .chance h3, .notes h3 {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reasons ul { margin: 0; padding-left: 20px; font-size: 13px; color: var(--muted); }
.reasons li { margin-bottom: 5px; }

.chance {
  margin-bottom: 12px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
}

.chance strong { color: var(--ink); }

.notes { margin-bottom: 12px; }
.notes ul { margin: 0; padding-left: 20px; font-size: 12px; color: var(--muted); }
.notes li { margin-bottom: 4px; }

.board-details {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 12px;
}

.board-details summary { cursor: pointer; color: var(--muted); font-size: 12px; }

.board-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 12px;
}

.board-table th, .board-table td {
  border-bottom: 1px solid var(--line);
  padding: 6px 4px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.board-table th { width: 36%; color: var(--muted); font-weight: 650; }

.raw-json {
  max-height: 320px;
  overflow: auto;
  margin: 12px 0 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7f9fb;
  padding: 12px;
  font-size: 11px;
  line-height: 1.5;
}

.report-panel { position: sticky; top: 16px; }
.report-actions { display: flex; flex-wrap: wrap; gap: 6px; }

.report-frame {
  width: 100%;
  height: 720px;
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.gate { margin-top: 16px; }

.gate-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 13px;
}

.gate-table th, .gate-table td {
  border-bottom: 1px solid var(--line);
  padding: 9px 6px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.gate-table th { color: var(--muted); font-weight: 700; }
.gate-table th:nth-child(1), .gate-table td:nth-child(1) { width: 28%; }
.gate-table th:nth-child(2), .gate-table td:nth-child(2) { width: 48%; }
.gate-table th:nth-child(3), .gate-table td:nth-child(3) { width: 24%; }

.boundaries { margin-top: 16px; }
.boundaries ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.boundaries li { margin-bottom: 7px; }

.case-study {
  margin: 12px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.case-study a { color: var(--accent); font-weight: 650; }

.provenance { margin-top: 16px; }

.provenance dl {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 8px 16px;
  margin: 0;
  font-size: 12px;
}

.provenance dt { color: var(--muted); font-weight: 700; }
.provenance dd { margin: 0; overflow-wrap: anywhere; }

.footer {
  margin-top: 20px;
  color: var(--muted);
  font-size: 12px;
}

.footer p {
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

@media (max-width: 1240px) {
  .layout { grid-template-columns: 240px minmax(0, 1fr); }
  .report-panel { grid-column: 1 / -1; position: static; }
  .report-frame { height: 620px; }
}

@media (max-width: 900px) {
  .page { width: min(100% - 24px, 760px); padding-top: 24px; }
  .hero { grid-template-columns: 1fr; align-items: start; }
  .summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .layout { grid-template-columns: 1fr; }
  .case-panel { order: 1; }
  .detail-panel { order: 2; }
  .report-panel { order: 3; }
  .case-list {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 6px;
    scroll-snap-type: x proximity;
  }
  .case-button { flex: 0 0 230px; scroll-snap-align: start; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .report-frame { height: 560px; }
}

@media (max-width: 560px) {
  .summary { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr; }
  .provenance dl { grid-template-columns: 1fr; }
  .panel { padding: 15px; }
  .report-frame { height: 480px; }
}

/* ---------- real case + sensitivity (deepening) ---------- */
.real-case { margin-top: 16px; }
.real-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.real-case-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #fbfcfd;
  min-width: 0;
}
.real-case-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.real-case-head h3 { margin: 0; font-size: 15px; }
.real-case-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}
.real-case-metric {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 9px;
  background: #fff;
}
.real-case-metric .label {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.real-case-metric .value {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 760;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.real-case-source {
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  overflow-wrap: anywhere;
}

.sensitivity { margin-top: 16px; }
.sensitivity-scroll { overflow-x: auto; }
.sensitivity-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 12px;
}
.sensitivity-table th,
.sensitivity-table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 6px;
  text-align: left;
  vertical-align: top;
}
.sensitivity-table th { color: var(--muted); font-weight: 700; }
.sensitivity-table td { min-width: 150px; }
.sensitivity-detail {
  margin-top: 4px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  overflow-wrap: anywhere;
}

@media (max-width: 900px) {
  .real-case-grid { grid-template-columns: 1fr; }
  .sensitivity-table { min-width: 780px; }
}