body {
  background:
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.18), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #e6f0ff 100%);
  color: #0f172a;
}

.site-nav,
.demo-context-strip {
  background: rgba(255, 255, 255, 0.86);
}

.demo-shell {
  max-width: 1220px;
}

.demo-hero,
.demo-panel,
.app-shell,
.card,
.chart-card,
.metric-card,
.table-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(10px);
}

.demo-kicker {
  color: #0369a1;
}

.tag,
.status-badge {
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.16);
}

.app-shell {
  border-radius: 24px;
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
}

.section-grid,
.metric-grid,
.chart-grid,
.mode-grid,
.mix-grid {
  display: grid;
  gap: 1rem;
}

.section-grid,
.chart-grid {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
}

.mode-grid,
.metric-grid {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.mix-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.card,
.chart-card,
.metric-card,
.table-card {
  border-radius: 18px;
  padding: 1rem;
  min-width: 0;
}

.card h3,
.chart-card h3,
.table-card h3 {
  margin: 0 0 0.75rem;
}

.field-group {
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label,
.mix-item label,
.toggle {
  font-size: 0.92rem;
  font-weight: 600;
}

.field input,
.field select,
.mix-item input {
  width: 100%;
  max-width: 100%;
}

.field input[type="number"],
.field select {
  padding: 0.78rem 0.9rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  color: #0f172a;
}

.field input[type="range"],
.mix-item input[type="range"] {
  accent-color: #0284c7;
}

.mix-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem;
  border-radius: 14px;
  background: rgba(14, 165, 233, 0.06);
}

.mix-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.84rem;
  color: #475569;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button-row button {
  border: 0;
  border-radius: 12px;
  padding: 0.82rem 1.1rem;
  cursor: pointer;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #fff;
}

.button-secondary {
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.helper {
  margin: 0;
  padding: 0.8rem 0.95rem;
  border-radius: 12px;
  background: rgba(2, 132, 199, 0.08);
  color: #0f172a;
  line-height: 1.55;
}

.metric-card {
  text-align: center;
}

.metric-label {
  color: #475569;
  font-size: 0.82rem;
}

.metric-value {
  margin-top: 0.35rem;
  font-size: 1.7rem;
  font-weight: 800;
  color: #0f172a;
  overflow-wrap: anywhere;
}

.metric-value.good {
  color: #047857;
}

.metric-value.warn {
  color: #b45309;
}

.metric-value.alert {
  color: #b91c1c;
}

.bars,
.histogram {
  display: grid;
  gap: 0.65rem;
}

.bar-row,
.hist-row {
  display: grid;
  gap: 0.35rem;
}

.bar-meta,
.hist-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.84rem;
}

.bar-track,
.hist-track {
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.08);
}

.bar-fill,
.hist-fill {
  height: 100%;
  border-radius: 999px;
}

.bar-fill {
  background: linear-gradient(90deg, #0ea5e9, #2563eb);
}

.hist-fill {
  background: linear-gradient(90deg, #22c55e, #16a34a);
}

.rate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.rate-table th,
.rate-table td {
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  text-align: left;
  vertical-align: top;
}

.rate-table th {
  color: #475569;
  font-weight: 700;
}

.insight-box {
  border-left: 4px solid #0284c7;
  padding: 1rem 1rem 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(14, 165, 233, 0.08);
  line-height: 1.6;
}

.mode-note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 920px) {
  .section-grid,
  .chart-grid {
    grid-template-columns: 1fr;
  }
}