:root {
  --bg: #f5f7f7;
  --panel: #ffffff;
  --ink: #172126;
  --muted: #66747b;
  --line: #d9e1e4;
  --accent: #0f766e;
  --accent-soft: #e4f4f1;
  --warm: #b45309;
  --warm-soft: #fff1d6;
  --blue: #2563eb;
  --blue-soft: #eaf1ff;
  --rose: #be3455;
  --rose-soft: #ffe8ee;
  --green: #377a38;
  --green-soft: #eaf6e7;
  --shadow: 0 10px 28px rgba(24, 37, 44, 0.08);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  font-weight: 760;
  letter-spacing: 0;
}

h2 {
  font-size: 16px;
  font-weight: 720;
}

.portraitBand {
  position: relative;
  display: grid;
  min-height: 500px;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #101820;
}

.portraitBand img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.98;
  filter: saturate(0.94) contrast(1.04);
}

.portraitBand::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 12, 16, 0.82), rgba(5, 12, 16, 0.46) 42%, rgba(5, 12, 16, 0.12)),
    linear-gradient(0deg, rgba(5, 12, 16, 0.66), rgba(5, 12, 16, 0.04) 58%);
}

.portraitText {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  max-width: 900px;
  gap: 18px;
  padding: 64px 44px 64px 36px;
  color: #ffffff;
}

.portraitText h1 {
  font-size: 60px;
  line-height: 1.05;
  letter-spacing: 0;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.42);
}

.portraitText p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 17px;
  line-height: 1.85;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

.photoCredit {
  position: absolute;
  right: 18px;
  bottom: 14px;
  z-index: 1;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  text-decoration: none;
}

.photoCredit:hover {
  color: #ffffff;
}

.layout {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) minmax(180px, 0.7fr) minmax(210px, 0.7fr);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

input,
select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

input:focus,
select:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent-soft);
}

.toolbar b {
  color: var(--ink);
  font-size: 12px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 12px;
}

.stats div {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.stats strong {
  font-size: 24px;
  line-height: 1;
}

.stats span,
.paneHeader span {
  color: var(--muted);
  font-size: 12px;
}

.networkShell,
.detailPane,
.bookPane {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.paneHeader {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.networkLayout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 0;
}

.graphPane {
  position: relative;
  min-height: 680px;
  border-right: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(#eef3f4 1px, transparent 1px),
    linear-gradient(90deg, #eef3f4 1px, transparent 1px),
    #fbfcfc;
  background-size: 28px 28px;
}

#graphSvg {
  display: block;
  width: 100%;
  height: 680px;
  touch-action: none;
  user-select: none;
}

.graph-link {
  stroke: #b7c3c7;
  stroke-opacity: 0.65;
}

.graph-link.identity {
  stroke-dasharray: 4 4;
}

.node circle {
  stroke: #ffffff;
  stroke-width: 2;
}

.node text {
  pointer-events: none;
  fill: #172126;
  font-size: 12px;
  paint-order: stroke;
  stroke: rgba(255, 255, 255, 0.85);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.node.person text {
  font-size: 11px;
}

.node.center text {
  font-size: 14px;
  font-weight: 760;
}

.node.category text {
  font-weight: 700;
}

.node.selected circle {
  stroke: #111827;
  stroke-width: 3;
}

.legend {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 28px);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.legend span,
.identityPill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  gap: 6px;
  padding: 0 8px;
  border-radius: 999px;
  background: #eef3f4;
  color: #314047;
  white-space: nowrap;
  font-size: 12px;
}

.legend i,
.identityPill i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.detailPane {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.detailBody {
  display: grid;
  gap: 14px;
  max-height: 680px;
  overflow: auto;
  padding: 14px;
  color: #2a3439;
  font-size: 13px;
  line-height: 1.7;
}

.metricLine,
.identityList {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.metricLine span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfc;
}

.evidence {
  display: grid;
  gap: 10px;
}

.evidence article {
  padding: 10px;
  border-left: 3px solid var(--accent);
  background: #f8fbfa;
}

.evidence h3 {
  margin: 0 0 5px;
  font-size: 13px;
}

.evidence p {
  color: #364348;
}

.miniList {
  display: grid;
  gap: 7px;
}

.miniList button {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.miniList button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.bookPane {
  overflow: hidden;
}

.bookGrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px;
  max-height: 280px;
  overflow: auto;
  background: var(--line);
}

.bookItem {
  display: grid;
  gap: 7px;
  min-height: 96px;
  padding: 12px;
  border: 0;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  text-align: left;
}

.bookItem strong {
  font-size: 13px;
}

.bookItem span,
.bookItem p {
  color: var(--muted);
  font-size: 12px;
}

.bookItem p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

@media (max-width: 980px) {
  .portraitBand {
    min-height: 410px;
  }

  .portraitBand img {
    object-position: center 42%;
  }

  .portraitText {
    padding: 52px 18px;
  }

  .photoCredit {
    right: 12px;
  }

  .toolbar,
  .stats,
  .networkLayout {
    grid-template-columns: 1fr;
  }

  .graphPane {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  .layout {
    padding: 10px;
  }

  .portraitBand img {
    object-position: center 45%;
  }

  .portraitBand {
    min-height: 360px;
  }

  .portraitText h1 {
    font-size: 36px;
  }

  .portraitText p {
    max-width: 310px;
    font-size: 14px;
    line-height: 1.75;
  }
}