@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700;900&display=swap');

:root {
  --brand-green: #4E5851;
  --brand-green-dark: #3B4A45;
  --brand-orange: #FF7800;
  --bg-page: #FAFBFC;
  --bg-card: #FFFFFF;
  --text-main: #1F2A28;
  --text-sub: #6B7A76;
  --border-line: #E5E8E7;
  --tag-bg: #FFF4DD;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Noto Sans TC', sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 0 20px 80px;
}

@media (min-width: 700px) {
  #app {
    max-width: 840px;
    padding: 0 32px 80px;
  }
}

.topbar {
  padding: 24px 0 8px;
}

.logo {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: rgba(46, 58, 53, 0.75);
  font-size: 16px;
}

.page-title {
  font-weight: 700;
  font-size: 28px;
  margin: 12px 0 8px;
  color: var(--brand-green-dark);
}

.page-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0 0 24px;
}

.section {
  background: var(--bg-card);
  border: 0.5px solid var(--border-line);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.section-title {
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 16px;
  color: var(--text-main);
}

.toggle-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.toggle-btn {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--border-line);
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
}

.toggle-btn.active {
  background: var(--brand-green);
  border-color: var(--brand-green);
  color: #FFFFFF;
}

.district-checklist {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 6px 10px;
  max-height: 220px;
  overflow-y: auto;
  padding: 12px;
  margin-bottom: 16px;
  border: 0.5px solid var(--border-line);
  border-radius: 12px;
  background: var(--bg-page);
}

.district-checklist label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-main);
  cursor: pointer;
  white-space: nowrap;
}

.district-checklist input[type="checkbox"] {
  accent-color: var(--brand-green);
  cursor: pointer;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--text-sub);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.legend-value {
  color: var(--text-main);
  font-weight: 500;
}

.legend-delta.up { color: #C0472C; }
.legend-delta.down { color: var(--brand-green-dark); }

.chart-wrap {
  position: relative;
  width: 100%;
  height: 300px;
}

.note {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 12px 0 0;
}

.footer-note {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.7;
  text-align: center;
  margin-top: 32px;
}