:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --fg: #e8e8ea;
  --muted: #9aa1ad;
  --panel: #181b22;
  --border: #2a2f3a;
  --accent: #7aa2f7;

  /* category palette */
  --cat-baseline: #c0c0c0;
  --cat-transport: #7aa2f7;
  --cat-activity: #f7768e;
  --cat-disease: #bb9af7;
  --cat-occupation: #e0af68;
  --cat-environmental: #9ece6a;
  --cat-medical: #2ac3de;
  --cat-violence: #ff5370;
  --cat-drugs: #ff9e64;
  --cat-food: #d7c97a;
  --cat-space: #b48ead;
  --cat-parachute: #f78c6c;
  --cat-misc: #cfc9c2;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --fg: #1c1f26;
    --muted: #586174;
    --panel: #ffffff;
    --border: #d8dde6;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.topbar h1 {
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
}
.subtitle {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 60ch;
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.25rem;
}

@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.sidebar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem;
  position: sticky;
  top: 0.75rem;
  align-self: start;
  max-height: calc(100vh - 1.5rem);
  overflow: auto;
}

.search {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  margin-bottom: 0.75rem;
}

.filter-group { margin-bottom: 0.75rem; }
.filter-group h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0.5rem 0 0.35rem;
}
.filter-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.filter-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
}

button.clear {
  width: 100%;
  padding: 0.45rem 0.6rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  cursor: pointer;
  margin-top: 0.4rem;
}
button.clear:hover { background: var(--border); }

.scale-toggle .seg {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.seg-btn {
  flex: 1;
  padding: 0.35rem 0.5rem;
  background: transparent;
  color: var(--muted);
  border: 0;
  cursor: pointer;
  font: inherit;
  border-right: 1px solid var(--border);
}
.seg-btn:last-child { border-right: 0; }
.seg-btn:hover { background: rgba(127,127,127,0.08); color: var(--fg); }
.seg-btn.active {
  background: var(--accent);
  color: #0f1115;
  font-weight: 600;
}

.count {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.6rem;
  text-align: center;
}

.content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chart-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem;
}
.chart { width: 100%; height: auto; display: block; }
.axis-line, .axis-tick { stroke: var(--border); stroke-width: 1; }
.axis-label, .axis-title { fill: var(--muted); font-size: 11px; font-family: ui-monospace, monospace; }
.row-label { fill: var(--muted); font-size: 11px; }

.dot {
  cursor: pointer;
  stroke: var(--panel);
  stroke-width: 1;
  opacity: 0.85;
  transition: r 120ms ease, opacity 120ms ease;
}
.dot:hover { opacity: 1; }
.dot.selected { stroke: var(--fg); stroke-width: 2; }

.dot.cat-baseline        { fill: var(--cat-baseline); }
.dot.cat-transport       { fill: var(--cat-transport); }
.dot.cat-activity        { fill: var(--cat-activity); }
.dot.cat-disease         { fill: var(--cat-disease); }
.dot.cat-occupation      { fill: var(--cat-occupation); }
.dot.cat-environmental   { fill: var(--cat-environmental); }
.dot.cat-medical         { fill: var(--cat-medical); }
.dot.cat-violence        { fill: var(--cat-violence); }
.dot.cat-drugs           { fill: var(--cat-drugs); }
.dot.cat-food            { fill: var(--cat-food); }
.dot.cat-space           { fill: var(--cat-space); }
.dot.cat-parachute       { fill: var(--cat-parachute); }
.dot.cat-misc            { fill: var(--cat-misc); }

.detail {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  height: 22rem;
  overflow-y: auto;
}
.detail.empty {
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

@media (max-width: 800px) {
  .detail {
    height: auto;
    min-height: 8rem;
  }
}
.detail h2 { margin: 0 0 0.3rem; font-size: 1.1rem; }
.detail .headline { margin: 0 0 0.4rem; font-size: 1rem; }
.detail .headline .big {
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.detail .muted { color: var(--muted); }
.detail .small { font-size: 0.85rem; }
.tags { display: flex; gap: 0.3rem; flex-wrap: wrap; margin: 0.4rem 0; }
.tag {
  background: var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  padding: 0.05rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 999px;
  color: #fff;
  background: var(--muted);
  text-transform: lowercase;
}
.badge.cat-baseline       { background: var(--cat-baseline); color: #0f1115; }
.badge.cat-transport      { background: var(--cat-transport); color: #0f1115; }
.badge.cat-activity       { background: var(--cat-activity); color: #fff; }
.badge.cat-disease        { background: var(--cat-disease); color: #fff; }
.badge.cat-occupation     { background: var(--cat-occupation); color: #0f1115; }
.badge.cat-environmental  { background: var(--cat-environmental); color: #0f1115; }
.badge.cat-medical        { background: var(--cat-medical); color: #0f1115; }
.badge.cat-violence       { background: var(--cat-violence); color: #fff; }
.badge.cat-drugs          { background: var(--cat-drugs); color: #0f1115; }
.badge.cat-food           { background: var(--cat-food); color: #0f1115; }
.badge.cat-space          { background: var(--cat-space); color: #fff; }
.badge.cat-parachute      { background: var(--cat-parachute); color: #0f1115; }

.list {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}
.list h2 { margin: 0 0 0.6rem; font-size: 0.95rem; color: var(--muted); }
.list ul { list-style: none; padding: 0; margin: 0; }
.risk-row {
  display: grid;
  grid-template-columns: 90px 30px 110px 100px 1fr;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  border-top: 1px solid var(--border);
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.risk-row:first-child { border-top: 0; }
.risk-row:hover { background: rgba(127,127,127,0.08); }
.risk-row .mm { text-align: right; font-weight: 600; }
.risk-row .mm-unit { color: var(--muted); }
.risk-row .exp { color: var(--muted); font-size: 0.85rem; }

.placeholder {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.placeholder.error { color: #e06c75; }

.footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

a { color: var(--accent); }