:root {
  --radius-card: 1rem;
  --radius-control: 0.75rem;
  --space-page-x: 1rem;
  --shadow-soft: 0 18px 40px rgba(2, 6, 23, 0.18);
  --focus-ring: 0 0 0 3px rgba(67, 97, 238, 0.18);
}

.ui-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.ui-control {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control);
  color: var(--text-primary);
}

.ui-control:focus,
.ui-control:focus-visible {
  border-color: #4361ee;
  box-shadow: var(--focus-ring);
  outline: none;
}

.ui-button {
  align-items: center;
  border-radius: var(--radius-control);
  display: inline-flex;
  font-size: 0.875rem;
  font-weight: 600;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.625rem 1rem;
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.ui-button:active {
  transform: scale(0.98);
}

.ui-button-primary {
  background: #4361ee;
  color: #fff;
}

.ui-button-muted {
  background: var(--bg-elevated);
  color: var(--text-tertiary);
}

.ui-kpi-number {
  font-variant-numeric: tabular-nums;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ui-section-title {
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 650;
}

.ui-section-subtitle {
  color: var(--text-muted);
  font-size: 0.75rem;
}