:root {
  --bg: #0a1018;
  --panel: #111a27;
  --line: #243246;
  --text: #d9e6f7;
  --muted: #8ba2bf;
  --brand: #5aa7ff;
  --brand-dark: #b9d7ff;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 5% -5%, rgba(80, 150, 255, 0.14), transparent 45%),
    radial-gradient(circle at 105% 100%, rgba(41, 162, 125, 0.11), transparent 45%),
    var(--bg);
}

.shell {
  max-width: 1500px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-end;
  margin-bottom: 14px;
}

.topbar h1 { margin: 0; font-size: clamp(1.4rem, 2vw, 2rem); }
.topbar p { margin: 6px 0 0; color: var(--muted); }

.top-actions { display: flex; gap: 8px; }
.btn {
  border: 1px solid var(--line);
  color: var(--brand-dark);
  background: #162233;
  border-radius: 10px;
  padding: 9px 12px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  box-shadow: var(--shadow);
}
.metric .k { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.metric .v { margin-top: 6px; font-size: 1.3rem; font-weight: 700; }

.layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 12px;
  margin-bottom: 12px;
}

.second-row {
  grid-template-columns: 1fr 360px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.chart-panel { padding: 12px; }
.legend-panel { padding: 14px; }

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.panel-head h2, .legend-panel h2 { margin: 0; font-size: 1rem; }
.panel-actions { display: inline-flex; align-items: center; gap: 8px; }
.panel-head label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--muted); }
.panel-head select { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }
.panel-head select { background: #152133; color: var(--text); }
.panel-actions label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--muted); }
.panel-actions select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
  background: #152133;
  color: var(--text);
}
.small-btn { padding: 6px 10px; font-size: 0.78rem; }

svg {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #0f1723, #0c141f);
  cursor: grab;
}

svg:active { cursor: grabbing; }

.detail-panel {
  padding: 14px;
  min-height: 540px;
}

.empty { color: var(--muted); }
.detail-panel h3 { margin: 0 0 8px; font-size: 1rem; }
.detail-panel .sub { margin: 0 0 10px; color: var(--muted); font-size: 0.88rem; }
.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 6px;
  font-size: 0.84rem;
  margin-bottom: 10px;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }

.list {
  margin: 0;
  padding-left: 18px;
  font-size: 0.85rem;
  line-height: 1.35;
}
.list li { margin-bottom: 6px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 10px; }
.tag {
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.tag.pattern { background: #18324d; color: #9cc9ff; border-color: #2d4f74; }
.tag.case { background: #17382e; color: #83e0bf; border-color: #2f6857; }
.tag.ref { background: #1e2835; color: #b4c1d1; border-color: #314055; }
.tag.risk { background: #3f2c14; color: #f2ca8e; border-color: #6a4b22; }

.legend-block { margin-bottom: 14px; }
.legend-title { font-weight: 700; margin-bottom: 7px; font-size: 0.87rem; }
.swatch-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 0.85rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot-pattern { background: #0b5fa0; }
.dot-case { background: #179c74; }
.dot-ref { background: #7f8ea0; }

.chip {
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.pri-high { background: #fde8e8; color: #9f2323; border-color: #f2c0c0; }
.pri-medium { background: #fff4e4; color: #8e5f17; border-color: #ecd3a8; }
.pri-low { background: #e7f4ff; color: #285d91; border-color: #bed9f0; }

.small { color: var(--muted); font-size: 0.82rem; line-height: 1.35; }
.source-link {
  display: inline-block;
  margin: 8px 0 10px;
  color: #9ec9ff;
  text-decoration: none;
  font-size: 0.85rem;
  border: 1px solid #355274;
  border-radius: 8px;
  padding: 5px 8px;
  background: #142131;
}
.source-link:hover { border-color: #5aa7ff; color: #c4e0ff; }

.pattern-focus {
  border: 1px solid #355274;
  border-left: 4px solid #60a5fa;
  border-radius: 10px;
  background: #0f1a2b;
  padding: 10px 12px;
  margin: 8px 0 12px;
}
.pattern-focus h3 {
  margin: 0 0 6px;
  color: #c4e0ff;
}
.draft-focus {
  border-left-color: #34d399;
  background: #0e1d1a;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.guide-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px;
  border: 1px solid rgba(71, 98, 131, 0.55);
  border-radius: 12px;
  background: rgba(13, 23, 35, 0.7);
}

.guide-visual {
  min-height: 32px;
  display: grid;
  place-items: center;
}

.star-chip {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #18324d;
  color: #f8fafc;
  border: 1px solid #5aa7ff;
  font-size: 0.9rem;
}

.swatch-line {
  display: inline-block;
  width: 28px;
  height: 12px;
  border-radius: 999px;
  background: rgba(90, 167, 255, 0.22);
  border: 1px solid rgba(90, 167, 255, 0.5);
}

.color-chip {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.liability-chip {
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.42);
  color: #f8d38b;
}

.guide-block {
  margin-bottom: 12px;
}

.compact-list {
  padding-left: 16px;
}

.compact-list li {
  margin-bottom: 4px;
}

.draft-card {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(71, 98, 131, 0.55);
  border-radius: 12px;
  background: rgba(13, 23, 35, 0.7);
}

.draft-title {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.draft-label {
  margin-top: 8px;
  margin-bottom: 4px;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-dark);
}

.node { cursor: pointer; }
.node-label {
  font-size: 11px;
  fill: #dbe9fb;
  pointer-events: none;
  stroke: #08111c;
  stroke-width: 2.2;
  paint-order: stroke fill;
}
.edge { stroke: #4f6075; stroke-opacity: 0.65; }
.edge.predicted { stroke: #5aa7ff; stroke-opacity: 0.8; }

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #0f1723, #0c141f);
}

.dash-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 0.85rem;
}

.dash-table th,
.dash-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(59, 77, 100, 0.45);
  vertical-align: top;
}

.dash-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #121d2c;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.dash-table tbody tr {
  cursor: pointer;
}

.dash-table tbody tr:hover {
  background: rgba(70, 121, 196, 0.12);
}

.dash-table tbody tr.selected-row {
  background: rgba(90, 167, 255, 0.2);
}

.pipeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.readable-pipeline .chart-panel {
  padding: 14px;
}

.stage-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 12px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.summary-stack {
  display: grid;
  gap: 10px;
}

.result-grid {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.result-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.summary-card {
  border: 1px solid rgba(71, 98, 131, 0.55);
  border-radius: 12px;
  background: rgba(13, 23, 35, 0.7);
  padding: 12px;
}

.summary-card.emphasis-card {
  background: linear-gradient(180deg, rgba(16, 32, 51, 0.95), rgba(12, 24, 38, 0.95));
  border-color: rgba(90, 167, 255, 0.45);
}

.summary-label {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.summary-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.summary-text {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.45;
}

.soft-box {
  min-height: 180px;
}

.kv-inline,
.stat-stack {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.kv-inline div,
.stat-stack div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(19, 32, 49, 0.85);
  font-size: 0.84rem;
}

.mini-pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  color: #d7e8ff;
  font-size: 0.78rem;
  line-height: 1.4;
}

.raw-block {
  margin-top: 8px;
  border: 1px solid rgba(71, 98, 131, 0.55);
  border-radius: 12px;
  background: rgba(13, 23, 35, 0.58);
  padding: 10px;
}

.raw-block > summary {
  cursor: pointer;
  color: var(--brand-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.verdict-existing_pattern { color: #7ee0b0; }
.verdict-variant_of_existing { color: #f8d38b; }
.verdict-new_pattern { color: #ff9a9a; }

.collapsible-stage > summary {
  list-style: none;
  cursor: pointer;
  margin-bottom: 0;
}
.collapsible-stage > summary::-webkit-details-marker {
  display: none;
}
.collapsible-stage > summary::after {
  content: "Expand";
  color: var(--muted);
  font-size: 0.75rem;
  margin-left: 8px;
}
.collapsible-stage[open] > summary::after {
  content: "Collapse";
}
.collapsible-stage > .stage-content {
  margin-top: 8px;
}

.code-box {
  margin: 8px 0 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0c141f;
  color: #d7e8ff;
  font-size: 0.8rem;
  line-height: 1.35;
  max-height: 280px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

textarea.code-box {
  width: 100%;
  min-height: 220px;
  resize: vertical;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 16, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal.hidden {
  display: none;
}

.modal-card {
  width: min(1100px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 12px;
}

@media (max-width: 1200px) {
  .layout, .second-row { grid-template-columns: 1fr; }
  .detail-panel { min-height: 300px; }
  .stage-two-col { grid-template-columns: 1fr; }
}


.pipeline-stage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.pipeline-hero {
  margin-bottom: 12px;
}

.result-grid {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.result-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.summary-card {
  background: rgba(15, 26, 43, 0.9);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.summary-label {
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.summary-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.summary-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.kv-inline {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.kv-inline > div,
.stat-stack > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(59, 77, 100, 0.35);
  font-size: 0.84rem;
}

.kv-inline > div:last-child,
.stat-stack > div:last-child {
  border-bottom: 0;
}

.raw-block {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(10, 16, 24, 0.55);
  overflow: hidden;
}

.raw-block summary {
  cursor: pointer;
  padding: 10px 12px;
  color: var(--brand-dark);
  font-weight: 600;
  background: rgba(17, 26, 39, 0.9);
}

.code-box,
.mini-pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: #0b1420;
  color: #d9e6f7;
  padding: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  line-height: 1.4;
  max-height: 420px;
  overflow: auto;
}

@media (max-width: 960px) {
  .layout,
  .second-row {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .top-actions {
    flex-wrap: wrap;
  }
}

/* Case-first navigation and readable details. */
:root { color-scheme: dark; }
a { color: #a9d2ff; }
a:hover { color: #e0efff; }
.topbar { flex-direction: row; align-items: center; gap: 20px; margin-bottom: 12px; }
.topbar h1 { font-size: clamp(1.35rem, 2vw, 1.7rem); }
.top-actions .btn[aria-current="page"] { color: #f3f8ff; border-color: #5f7f9f; background: #24364b; }
.collection-links { display: flex; flex-wrap: wrap; gap: 18px; margin: 0 0 18px; font-size: 0.82rem; }
.collection-links a { color: var(--muted); text-decoration: none; padding: 5px 0; border-bottom: 1px solid transparent; }
.collection-links a[aria-current="page"] { color: var(--text); border-color: #8fb1d6; }
.layout { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; }
.chart-panel { min-width: 0; }
.detail-panel { max-height: calc(100vh - 125px); overflow-y: auto; min-height: 0; }
.panel-head, .panel-actions { flex-wrap: wrap; }
.map-help { color: var(--muted); border-top: 1px solid var(--line); padding: 12px 0 2px; font-size: 0.8rem; }
.map-help p { line-height: 1.6; max-width: 70ch; }
button, select, summary, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible { outline: 2px solid #a9d2ff; outline-offset: 3px; }
.about-content { max-width: 760px; padding: 20px 0; }
.about-content h2 { font-size: 1.35rem; }
.about-content p, .architecture-list li { line-height: 1.75; color: #bdcde0; }
.architecture-list { padding-left: 22px; }
.architecture-list li { padding: 7px 0 7px 6px; }
.architecture-list strong { color: var(--text); }
.about-links { display: flex; gap: 24px; margin-top: 28px; }
@media (max-width: 1100px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .detail-panel { max-height: none; }
}
@media (max-width: 600px) {
  .shell { padding: 16px 12px; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .top-actions { width: 100%; }
  .top-actions .btn { flex: 1; text-align: center; padding: 8px 10px; }
  .panel-head { align-items: flex-start; }
  .panel-actions { gap: 12px; }
  .chart-panel { padding: 10px; }
  .detail-panel { padding: 16px; }
  #caseSvg { min-height: 0; }
  #patternLegend { gap: 6px; }
  .pattern-legend-button { min-height: 40px; }
}

.mobile-case-picker { display:none; }
@media (max-width: 600px) {
  .mobile-case-picker { display:grid; gap:8px; font-size:0.82rem; color:var(--muted); margin:14px 0; }
  .mobile-case-picker select { width:100%; min-width:0; padding:10px; border:1px solid #3a506b; border-radius:8px; background:#152133; color:var(--text); }
}