:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #151e33;
  --muted: #9fb1d0;
  --text: #e5ecfa;
  --accent: #63a4ff;
  --border: #253252;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top, #13203b 0%, var(--bg) 50%);
  color: var(--text);
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

header {
  padding: 2rem 0 1rem;
}

h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 2vw, 2.4rem);
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

main {
  padding-bottom: 2rem;
}

.kpi-grid {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0;
}

.kpi-grid > * {
  min-width: 0;
}

.kpi-grid--main {
  grid-template-columns: repeat(4, 1fr);
}

.kpi-grid--changes {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 0;
}

@media (max-width: 900px) {
  .kpi-grid--main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .kpi-grid--main {
    grid-template-columns: 1fr;
  }
}

.kpi-card,
.panel {
  background: linear-gradient(165deg, #17233e 0%, var(--panel) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

main > .panel + .panel {
  margin-top: 0.9rem;
}

.kpi-card h2 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.kpi-card p {
  margin: 0.5rem 0 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.chart-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 0.9rem;
}

.chart-grid > * {
  min-width: 0;
}

/* Bar chart panel: match sibling column height, center chart in remaining space */
.panel--province-bar {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.province-chart-wrap {
  flex: 1 1 auto;
  position: relative;
  width: 100%;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0 0.25rem;
}

.panel--full {
  grid-column: 1 / -1;
}

.chart-doughnut-wrap {
  max-width: 380px;
  margin: 0 auto;
}

@media (max-width: 700px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

.panel h2 {
  margin-top: 0;
  font-size: 1.05rem;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
  flex-wrap: wrap;
}

input[type="text"] {
  background: #0f1a30;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  min-width: 220px;
}

select,
button {
  background: #0f1a30;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 0.52rem 0.4rem;
  font-size: 0.92rem;
  white-space: nowrap;
}

th {
  color: #bed0f5;
  font-weight: 600;
}

code {
  color: #b8d6ff;
}

.error {
  border-color: #b24e4e;
}

.panel--status p {
  margin: 0.4rem 0 0;
}

.status-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.pagination {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.qual-legend {
  margin-top: 1rem;
}

.qual-legend__segments {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1rem;
  align-items: start;
}

@media (max-width: 480px) {
  .qual-legend__segments {
    grid-template-columns: 1fr;
  }
}

.qual-legend__item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  min-width: 0;
}

.qual-legend__swatch {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  margin-top: 0.18em;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
}

.qual-legend__label {
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--text);
}

.qual-legend__letters {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.45;
}

.qual-legend__letter-pair strong {
  color: #bed0f5;
  font-weight: 600;
  margin-right: 0.2rem;
}

.kpi-card--new {
  border-color: #2a6e3a;
}

.kpi-card--new p {
  color: #4caf72;
}

.kpi-card--removed {
  border-color: #6e2a2a;
}

.kpi-card--removed p {
  color: #e05555;
}

.kpi-card--upgrade {
  border-color: #2a4a6e;
}

.kpi-card--upgrade p {
  color: #63a4ff;
}

.subtitle-inline {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
}

.panel-lead {
  margin: 0 0 0.75rem;
  max-width: 52rem;
  line-height: 1.45;
}

.table--dense th,
.table--dense td {
  font-size: 0.88rem;
  padding: 0.42rem 0.35rem;
}

.th-num,
td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table--dense .pct {
  color: var(--muted);
  font-size: 0.82em;
  white-space: nowrap;
}

.tab-bar {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: #0f1a30;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: color 0.15s, border-color 0.15s;
}

.tab-btn--active,
.tab-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}