:root {
  --ink: #1c1915;
  --muted: #5e584f;
  --paper: #f4f0e8;
  --panel: #fffcf7;
  --line: #ddd4c4;
  --focus: #1d4e3a;
  --lv1: #2f7d32;
  --lv2: #a07b00;
  --lv3: #b4332a;
  --lv4: #6a3d99;
  --sw1: #3d8f4a;
  --sw2: #e0b322;
  --sw3: #d0453a;
  --sw4: #7a45b0;
  color-scheme: light;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  min-height: 100%;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.45 "Segoe UI", "PingFang HK", "Noto Sans CJK HK", "Noto Sans CJK TC", "Noto Sans TC", "Noto Sans", sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

button, input, select { font: inherit; color: inherit; }

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

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.wrap { max-width: 40rem; margin: 0 auto; }

.utility {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 16px 0;
}

.home-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 14px 8px 8px;
  border: 1px solid #c9bfae;
  border-radius: 999px;
  background: #fff;
  color: var(--focus);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.home-link:hover { border-color: var(--ink); color: var(--ink); }

.home-chevron {
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  transform: translateY(-1px);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid #c9bfae;
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}

.lang-switch button {
  min-height: 44px;
  min-width: 44px;
  border: 0;
  background: transparent;
  padding: 8px 14px;
  font-weight: 650;
}

.lang-switch button + button { border-left: 1px solid #c9bfae; }

.lang-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: #fbf8f2;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  padding: 12px 16px 8px;
}

.eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-family: Palatino, "Palatino Linotype", "Iowan Old Style", "Times New Roman", serif;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}

.header-note {
  margin: 0;
  max-width: 18rem;
  color: var(--muted);
  text-align: right;
}

.disclaimer {
  margin: 0 16px 10px;
  padding: 8px 12px;
  border: 1px solid #e7c07a;
  background: #fff6df;
  color: #3f2e10;
  font-size: 13.5px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 16px 12px;
}

.status {
  flex: 1;
  margin: 0;
  padding: 10px 12px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-left-width: 6px;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
}

.status[data-state="loading"] { color: var(--muted); }
.status[data-state="error"] { background: #f6f3ec; }

#refresh {
  min-height: 44px;
  min-width: 44px;
  padding: 8px 14px;
  border: 1px solid #c9bfae;
  border-radius: 999px;
  background: #fff;
  font-weight: 650;
}

#refresh:disabled { opacity: 0.55; }

.controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0 16px 8px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.field input,
.field select {
  min-height: 44px;
  border: 1px solid #c9bfae;
  border-radius: 12px;
  background: #fff;
  padding: 8px 12px;
}

.names-note {
  margin: 0 16px 8px;
  color: var(--muted);
  font-size: 13px;
}

.key {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0 16px 12px;
  padding: 0;
  list-style: none;
}

.key li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 650;
}

.key li::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--sw);
}

.key .lv-1 { --sw: var(--sw1); }
.key .lv-2 { --sw: var(--sw2); }
.key .lv-3 { --sw: var(--sw3); }
.key .lv-4 { --sw: var(--sw4); }

.legend {
  margin: 0 16px 14px;
  padding: 12px 12px 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.legend h2 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legend-list li {
  margin: 0;
  padding: 8px 10px 8px 12px;
  border-left: 6px solid var(--sw, var(--line));
  background: #fff;
  border-radius: 8px;
}

.legend-list p { margin: 0; font-size: 13px; }
.legend-name { font-weight: 700; }

.legend-list .lv-1 { --sw: var(--sw1); }
.legend-list .lv-2 { --sw: var(--sw2); }
.legend-list .lv-3 { --sw: var(--sw3); }
.legend-list .lv-4 { --sw: var(--sw4); }

.adi-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12.5px;
}

.workspace { padding: 0 16px 18px; }

.map-wrap {
  margin: 0 0 12px;
  padding: 8px 8px 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f7f1e6;
}

.map-wrap svg { display: block; width: 100%; height: auto; }

.map-wrap path {
  stroke: #1c1915;
  stroke-width: 1;
  cursor: pointer;
}

.map-wrap path.is-dim { opacity: 0.28; }
.map-wrap path.is-selected { stroke: var(--focus); stroke-width: 2.5; }

.map-wrap figcaption {
  margin: 6px 4px 0;
  color: var(--muted);
  font-size: 12.5px;
}

.district-block { margin: 0 0 14px; }
.district-block h2 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.areas { display: flex; flex-direction: column; gap: 0; }

.area {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 4px 12px;
  align-items: center;
  width: 100%;
  margin: 0 0 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 6px solid var(--sw, var(--line));
  border-radius: 16px;
  background: var(--panel);
  text-align: left;
  cursor: pointer;
}

.area.lv-1 { --sw: var(--sw1); }
.area.lv-2 { --sw: var(--sw2); }
.area.lv-3 { --sw: var(--sw3); }
.area.lv-4 { --sw: var(--sw4); }

.area.is-selected { outline: 2px solid var(--focus); }

.area h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.place {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.metric {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  min-width: 4.6rem;
}

.num {
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.num.lv-1 { color: var(--lv1); }
.num.lv-2 { color: var(--lv2); }
.num.lv-3 { color: var(--lv3); }
.num.lv-4 { color: var(--lv4); }

.cap {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.02em;
}

.empty {
  margin: 0 0 12px;
  color: var(--muted);
}

.credits {
  padding: 12px 16px 18px;
  border-top: 1px solid var(--line);
  background: #ebe4d6;
  font-size: 12.5px;
  color: #3f3a33;
}

.credits p { margin: 0; }
.credits a { overflow-wrap: anywhere; }

@media (max-width: 640px) {
  .top { flex-direction: column; align-items: flex-start; }
  .header-note { text-align: left; max-width: none; }
  .status-row { align-items: stretch; }
  #refresh { align-self: center; }
}

@media (min-width: 720px) {
  .controls { grid-template-columns: 1.4fr 1fr 0.8fr; }
}

@media (max-width: 959px) {
  .workspace { display: flex; flex-direction: column; }
  .list-col { order: 1; }
  .map-wrap { order: 2; }
}

@media (min-width: 960px) {
  .wrap { max-width: 68rem; }
  .workspace {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.15fr);
    gap: 16px;
    align-items: start;
  }
  .map-wrap { position: sticky; top: 12px; margin: 0; }
}

@media (max-width: 380px) {
  .num { font-size: 1.3rem; }
  .area { gap: 4px 8px; padding: 12px 10px; }
}