:root {
  color-scheme: light dark;
  --bg: #eef3f9;
  --panel: #ffffff;
  --panel-2: #f7f9fc;
  --panel-3: #edf3fa;
  --text: #101828;
  --muted: #475467;
  --muted-strong: #344054;
  --border: #cbd5e1;
  --border-strong: #98a2b3;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #e8f1ff;
  --series-current: #ef7da7;
  --edge-a: #7d8fa5;
  --edge-b: #e06496;
  --edge-c: #9474db;
  --shadow: 0 16px 45px rgba(16, 24, 40, .16);
  --shadow-soft: 0 5px 20px rgba(16, 24, 40, .12);
  --topbar-height: 66px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1017;
    --panel: #141b24;
    --panel-2: #1b2430;
    --panel-3: #202b38;
    --text: #f7f9fc;
    --muted: #bac5d3;
    --muted-strong: #d0d7e2;
    --border: #354456;
    --border-strong: #52647a;
    --accent: #76a9fa;
    --accent-hover: #9bc2ff;
    --accent-soft: #17345d;
    --series-current: #f294b6;
    --edge-a: #c0ccda;
    --edge-b: #f294b6;
    --edge-c: #c6adf4;
    --shadow: 0 18px 50px rgba(0, 0, 0, .42);
    --shadow-soft: 0 6px 24px rgba(0, 0, 0, .32);
  }
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; }
html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { margin: 0; overflow: hidden; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 62%, transparent);
  outline-offset: 2px;
}
.app-shell { width: 100%; height: 100dvh; overflow: hidden; background: var(--bg); }

.topbar {
  position: relative;
  z-index: 30;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 14px 8px 18px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 8px rgba(16, 24, 40, .06);
}
.brand { min-width: 0; }
.brand h1 { margin: 0; font-size: 1.36rem; line-height: 1.05; letter-spacing: -.025em; }
.brand p { margin: 3px 0 0; color: var(--muted); font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: 7px; flex-shrink: 0; }
button {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
  padding: 7px 11px;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
button:hover { border-color: var(--border-strong); background: var(--panel-2); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.icon-button { width: 38px; min-width: 38px; padding: 0; display: inline-grid; place-items: center; font-size: 1.2rem; }

.workspace {
  position: relative;
  width: 100%;
  height: calc(100dvh - var(--topbar-height));
  overflow: hidden;
  background: radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--panel) 84%, transparent), transparent 42%), var(--panel-2);
}
#graph { width: 100%; height: 100%; display: block; touch-action: none; }
.floating-card {
  position: absolute;
  z-index: 12;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}
.zoom-controls { right: 14px; top: 14px; display: flex; gap: 4px; padding: 4px; }
.zoom-controls button { width: 40px; min-width: 40px; min-height: 40px; padding: 0; font-size: 1.22rem; box-shadow: none; }
.status { left: 14px; bottom: 14px; padding: 8px 10px; color: var(--muted-strong); font-size: .72rem; pointer-events: none; }
.compact-legend { left: 14px; top: 14px; display: flex; flex-wrap: wrap; gap: 9px; padding: 8px 10px; color: var(--muted-strong); font-size: .72rem; pointer-events: none; }
.compact-legend b { color: var(--text); }
.mobile-evidence-legend {
  display: none;
  gap: 8px;
  padding: 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.mobile-evidence-legend > div:not(.section-heading) {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  align-items: start;
}
.mobile-evidence-legend p { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.45; }
.mobile-evidence-legend strong { color: var(--text); }
.update-badge { left: 14px; bottom: 14px; display: flex; align-items: center; gap: 8px; padding: 6px 8px 6px 10px; color: var(--muted-strong); font-size: .72rem; }
.update-badge button { min-height: 30px; padding: 4px 8px; font-size: .72rem; box-shadow: none; }
.update-badge strong { color: var(--text); }

.drawer {
  position: fixed;
  z-index: 50;
  top: var(--topbar-height);
  bottom: 0;
  width: min(390px, calc(100vw - 34px));
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-color: var(--border);
  box-shadow: var(--shadow);
  transition: transform 260ms cubic-bezier(.22, .8, .32, 1), visibility 260ms;
  visibility: hidden;
}
.drawer-left { left: 0; border-right: 1px solid var(--border); transform: translateX(-104%); }
.drawer-right { right: 0; width: min(500px, calc(100vw - 34px)); border-left: 1px solid var(--border); transform: translateX(104%); }
.drawer.is-open { transform: translateX(0); visibility: visible; }
.drawer-header {
  min-height: 76px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.drawer-header h2 { margin: 1px 0 0; font-size: 1.16rem; }
.eyebrow { margin: 0; color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .085em; text-transform: uppercase; }
.drawer-scroll { overflow-y: auto; overscroll-behavior: contain; padding: 15px 16px 24px; }
.control-section { display: grid; gap: 11px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.control-section:first-child { padding-top: 0; }
.control-section:last-child { border-bottom: 0; }
.control-section label { display: grid; gap: 6px; }
.control-section label > span,
.section-heading { color: var(--muted-strong); font-size: .82rem; font-weight: 750; }
select,
input[type="search"] { width: 100%; min-height: 43px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-2); padding: 8px 10px; }
input[type="range"],
input[type="checkbox"] { accent-color: var(--accent); }
.check-row { grid-template-columns: auto 1fr; align-items: center; }
.range-control { grid-template-columns: 1fr auto; align-items: center; }
.range-control output { color: var(--muted); font-size: .82rem; font-variant-numeric: tabular-nums; }
.filter-buttons { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-buttons button { min-height: 35px; border-radius: 999px; padding: 6px 10px; font-size: .8rem; }
.filter-buttons button[aria-pressed="false"] { opacity: .45; text-decoration: line-through; }
.secondary-action { justify-self: start; font-size: .8rem; }
.stack-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.stack-actions button:first-child { grid-column: 1 / -1; }
.note-box { border: 1px solid var(--border); border-radius: 10px; padding: 12px; background: var(--panel-2); }
.note-box p { margin: 6px 0 0; color: var(--muted); font-size: .8rem; line-height: 1.5; }

.details-content { padding-top: 13px; }
.details-content h2 { margin: 0; font-size: 1.28rem; }
.details-content h3 { margin: 0; }
.details-content p { line-height: 1.58; }
.details-content .kicker { margin-top: 4px; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.details-content .actions { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.details-content .section-title { margin-top: 18px; margin-bottom: 7px; font-size: .86rem; font-weight: 800; color: var(--muted-strong); text-transform: uppercase; letter-spacing: .03em; }
.details-content .muted { color: var(--muted); }
.details-content .caution { margin-top: 12px; padding: 11px 12px; border: 1px solid var(--border); border-left: 4px solid var(--series-current); border-radius: 9px; background: var(--panel-2); line-height: 1.5; }
.details-content .rel { width: 100%; margin: 5px 0; text-align: left; background: var(--panel-2); }
.details-content .rel:hover { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 42%, var(--border)); }
.details-content .rel-top { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.details-content .rel-top strong { flex: 1; }
.details-content .rel-desc { display: block; margin-top: 4px; color: var(--muted); font-size: .84rem; }
.badge,
.evidence-chip { display: inline-flex; align-items: center; justify-content: center; min-width: 29px; height: 27px; border: 1px solid var(--border-strong); border-radius: 999px; padding: 2px 8px; background: var(--panel-3); color: var(--text); font-size: .72rem; font-weight: 850; }
.badge.b,
.evidence-b { border-color: var(--series-current); color: var(--series-current); }
.badge.c,
.evidence-c { border-color: var(--edge-c); color: var(--edge-c); }
.status-chip { display: inline-flex; min-height: 27px; align-items: center; padding: 2px 8px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel-2); color: var(--muted-strong); font-size: .72rem; font-weight: 750; margin: .2rem .25rem .2rem 0; }
.meta-row { padding: 9px 10px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-2); margin-top: 7px; }
.meta-row strong { display: block; margin-bottom: 3px; font-size: .73rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted-strong); }
.meta-row span { font-size: .86rem; line-height: 1.45; }
.source-card { display: block; padding: 10px 11px; margin-top: 8px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-2); color: inherit; text-decoration: none; }
.source-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.source-card strong { display: block; font-size: .86rem; line-height: 1.35; }
.source-card span { display: block; margin-top: 4px; color: var(--muted); font-size: .72rem; }
.drawer-backdrop { position: fixed; z-index: 45; inset: var(--topbar-height) 0 0; background: rgba(16, 24, 40, .32); backdrop-filter: blur(2px); }
.drawer-backdrop[hidden] { display: none; }

.legend-dialog { width: min(680px, calc(100vw - 28px)); max-height: min(760px, calc(100dvh - 40px)); border: 1px solid var(--border); border-radius: 15px; padding: 0; background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.legend-dialog::backdrop { background: rgba(16, 24, 40, .42); backdrop-filter: blur(3px); }
.dialog-header { display: flex; justify-content: space-between; gap: 12px; padding: 16px 17px; border-bottom: 1px solid var(--border); }
.dialog-header h2 { margin: 2px 0 0; font-size: 1.15rem; }
.dialog-content { padding: 16px 17px 18px; overflow: auto; max-height: calc(100dvh - 130px); }
.legend-grid { display: grid; gap: 10px; }
.legend-grid > div { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; padding: 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel-2); }
.legend-grid p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.45; }
.legend-grid strong { color: var(--text); }
.dialog-note { margin: 13px 0 0; color: var(--muted); font-size: .8rem; line-height: 1.5; }

.edge { fill: none; stroke: var(--edge-a); stroke-width: 2.1; opacity: .7; cursor: pointer; }
.edge.context { stroke: var(--edge-c); stroke-dasharray: 8 7; opacity: .48; }
.edge.selected { stroke: var(--text); stroke-width: 4; opacity: 1; }
.edge-hit { fill: none; stroke: transparent; stroke-width: 22px; cursor: pointer; }
.edge-label { font-size: 12px; fill: var(--muted-strong); font-weight: 650; paint-order: stroke; stroke: var(--panel); stroke-width: 5px; stroke-linejoin: round; pointer-events: none; }
.node { cursor: pointer; }
.node circle.main { stroke-width: 3; filter: drop-shadow(0 3px 6px rgba(16, 24, 40, .18)); }
.node text { font-size: 14px; font-weight: 780; fill: var(--text); text-anchor: middle; paint-order: stroke; stroke: var(--panel); stroke-width: 5px; stroke-linejoin: round; pointer-events: none; }
.node.dimmed,
.edge.dimmed,
.edge-label.dimmed { opacity: .16; }
.selected-ring { fill: none; stroke: var(--accent); stroke-width: 4px; stroke-dasharray: 6 5; pointer-events: none; }
.node:focus-visible .selected-ring { stroke-width: 5px; }
.node-core { fill: #fecaca; stroke: #b91c1c; }
.node-person { fill: #bfdbfe; stroke: #2563eb; }
.node-militia { fill: #fed7aa; stroke: #c2410c; }
.node-company { fill: #e9d5ff; stroke: #7e22ce; }
.node-property { fill: #fde68a; stroke: #b45309; }
.node-institution { fill: #bbf7d0; stroke: #15803d; }
.node-investigation { fill: #fbcfe8; stroke: #be185d; }
.node-master { fill: #c7d2fe; stroke: #4338ca; }
.node-current { fill: #a5f3fc; stroke: #0e7490; }

@media (max-width: 900px) {
  :root { --topbar-height: 58px; }
  .topbar { padding: 6px 8px 6px 10px; gap: 7px; }
  .brand h1 { font-size: 1.08rem; }
  .brand p { display: none; }
  .topbar-actions { gap: 4px; }
  .topbar-actions button:not(.primary):not(.icon-button) { display: none; }
  .topbar-actions .primary { min-height: 36px; }
  .compact-legend { display: none; }
  .mobile-evidence-legend { display: grid; }
  .update-badge { right: 14px; left: auto; max-width: calc(100vw - 28px); }
  .drawer,
  .drawer-right { width: min(94vw, 480px); }
  .zoom-controls { top: auto; bottom: 64px; }
  .node text { font-size: 13px; }
  .edge-label { font-size: 11px; }
}

@media (max-width: 520px) {
  .compact-legend span:nth-child(2),
  .compact-legend span:nth-child(3) { display: none; }
  .update-badge span { display: none; }
  .update-badge button { min-height: 34px; }
  .legend-dialog { width: calc(100vw - 16px); }
}