:root {
  /* Core palette */
  --brand-primary: #2563eb;
  --brand-primary-600: #1d4ed8;
  --brand-primary-700: #1e3a8a;
  --brand-secondary: #475569;
  --brand-secondary-100: #f1f5f9;
  --brand-success: #10b981;
  --brand-warning: #f59e0b;
  --brand-danger: #ef4444;
  --brand-info: #38bdf8;

  --brand-bg: #f5f7fb;
  --brand-border: #e7eaf1;
  --brand-muted: #6b7280;
  --brand-radius: 1rem;
  --brand-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

body,
.app-shell {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--brand-bg);
  color: #0f172a;
  min-height: 100vh;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
}
a:hover {
  color: var(--brand-primary-600);
}

.app-header {
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
  background-color: #fff;
}

.sidebar {
  min-height: 100vh;
  background: #fff;
  border-right: 1px solid var(--brand-border);
  padding: 1.25rem 1rem;
}
.sidebar .nav-link {
  color: var(--brand-muted);
  font-weight: 500;
  padding: 0.65rem 0.85rem;
  border-radius: 0.75rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.sidebar .nav-link:hover {
  background-color: rgba(37, 99, 235, 0.08);
  color: var(--brand-primary);
}
.sidebar .nav-link.active {
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--brand-primary);
  font-weight: 600;
}

.card {
  border: none;
  border-radius: var(--brand-radius);
  box-shadow: var(--brand-shadow);
}
.card.metric-card {
  border-left: 5px solid var(--brand-primary);
}
.card .card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--brand-border);
  font-weight: 600;
  color: #0f172a;
}

.btn {
  border-radius: 0.7rem;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:focus {
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  background-color: var(--brand-primary-600);
  border-color: var(--brand-primary-600);
}
.btn-outline-primary {
  color: var(--brand-primary);
  border-color: color-mix(in oklab, var(--brand-primary) 25%, white);
  background-color: rgba(37, 99, 235, 0.04);
}
.btn-outline-primary:hover {
  background-color: rgba(37, 99, 235, 0.15);
  color: var(--brand-primary-700);
  border-color: transparent;
}

.badge {
  border-radius: 999px;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
}
.badge.bg-info-subtle {
  background-color: rgba(56, 189, 248, 0.12) !important;
  color: var(--brand-info) !important;
}
.badge.bg-success-subtle {
  background-color: rgba(16, 185, 129, 0.12) !important;
  color: var(--brand-success) !important;
}
.badge.bg-warning-subtle {
  background-color: rgba(245, 158, 11, 0.15) !important;
  color: var(--brand-warning) !important;
}
.badge.bg-secondary-subtle {
  background-color: rgba(71, 85, 105, 0.12) !important;
  color: var(--brand-secondary) !important;
}

.table-modern {
  border-collapse: separate;
  border-spacing: 0 0.5rem;
}
.table-modern thead th {
  border: none;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--brand-muted);
}
.table-modern tbody tr {
  background-color: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}
.table-modern tbody td {
  border: none;
  padding: 1.25rem 1rem;
}
.table-modern tbody tr:hover {
  transform: translateY(-2px);
  transition: transform 0.15s ease;
}

code:not(pre code) {
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--brand-primary-600);
  border-radius: 6px;
  padding: 0.15rem 0.35rem;
  font-size: 0.9rem;
}

.toast .toast-header {
  border-bottom-color: color-mix(in oklab, var(--brand-primary) 25%, white);
}

.shadow-soft {
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 10px 30px rgba(15, 23, 42, 0.08);
}

.page-section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #0f172a;
}

.app-navbar-button {
  border-radius: 999px;
  background-color: rgba(37, 99, 235, 0.08);
  color: var(--brand-primary);
  padding: 0.3rem 1rem;
  font-weight: 600;
}