:root {
  --primary-dark: #1a1a1a;
  --primary-red: #dc2626;
  --primary-red-hover: #b91c1c;
  --primary-red-light: #fee2e2;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}

* {
  transition: all 0.15s ease-in-out;
}

/* ===== BODY & GENERAL ===== */
body {
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
  color: var(--gray-800);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  min-height: 100vh;
}

/* ===== NAVBAR ===== */
.navbar {
  background: linear-gradient(90deg, var(--primary-dark) 0%, #2d2d2d 100%) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border-bottom: 3px solid var(--primary-red);
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: white !important;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--primary-red) 0%, #991b1b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  margin: 0 8px;
  border-radius: 6px;
  transition: all 0.25s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--primary-red) !important;
  background-color: rgba(220, 38, 38, 0.1);
}

.navbar .dropdown-menu {
  background: var(--gray-800);
  border: 1px solid var(--primary-red);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.navbar .dropdown-item {
  color: white;
  transition: all 0.2s ease;
}

.navbar .dropdown-item:hover {
  background: var(--primary-red);
  color: white;
  transform: translateX(4px);
}

/* ===== CARDS ===== */
.card {
  border: none;
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.12);
  transform: translateY(-2px);
}

.card-header {
  border-bottom: 2px solid var(--primary-red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1rem 1.25rem;
}

.bg-gradient-danger {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-red) 100%) !important;
}

/* ===== BUTTONS ===== */
.btn-primary,
.btn-danger {
  background: linear-gradient(135deg, var(--primary-red) 0%, #991b1b 100%);
  border: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover,
.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(220, 38, 38, 0.5);
  background: linear-gradient(135deg, var(--primary-red-hover) 0%, #7f1d1d 100%);
}

.btn-outline-danger {
  color: var(--primary-red);
  border: 2px solid var(--primary-red);
  font-weight: 600;
  border-radius: 8px;
}

.btn-outline-danger:hover {
  background: var(--primary-red);
  color: white;
}

.btn-dark {
  background: var(--gray-800);
  border-radius: 8px;
  font-weight: 600;
}

.btn-dark:hover {
  background: var(--gray-900);
}

.btn-outline-primary {
  color: var(--primary-red);
  border: 2px solid var(--gray-300);
  font-weight: 600;
  border-radius: 8px;
}

.btn-outline-primary:hover {
  border-color: var(--primary-red);
  background: var(--primary-red-light);
}

.btn-secondary {
  background: var(--gray-400);
  border-radius: 8px;
  font-weight: 600;
}

.btn-secondary:hover {
  background: var(--gray-500);
}

/* ===== FORMS ===== */
.form-control,
.form-select {
  border: 2px solid var(--gray-300);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-label {
  color: var(--gray-800);
  font-size: 0.95rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--gray-300);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-check-input:checked {
  background: var(--primary-red);
  border-color: var(--primary-red);
}

/* ===== TABLES ===== */
.table {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.table thead th {
  background: var(--gray-100);
  color: var(--gray-700);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-red);
  padding: 1rem;
}

.table tbody tr {
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.2s ease;
}

.table tbody tr:hover {
  background: var(--primary-red-light);
}

.table td {
  padding: 1rem;
  vertical-align: middle;
}

/* ===== BADGES ===== */
.badge {
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

.badge.bg-danger {
  background: linear-gradient(135deg, var(--primary-red) 0%, #991b1b 100%) !important;
}

.badge.bg-primary {
  background: linear-gradient(135deg, var(--primary-red) 0%, #991b1b 100%) !important;
}

.badge.bg-secondary {
  background: var(--gray-400) !important;
}

.badge.bg-info {
  background: #0891b2 !important;
}

.badge.bg-warning {
  background: #f59e0b !important;
}

/* ===== ALERTS ===== */
.alert {
  border: none;
  border-radius: 10px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.alert-success {
  background: #dcfce7;
  color: #166534;
  border-left: 4px solid #22c55e;
}

.alert-danger {
  background: var(--primary-red-light);
  color: #7f1d1d;
  border-left: 4px solid var(--primary-red);
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border-left: 4px solid #f59e0b;
}

/* ===== KPI ===== */
.kpi {
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.kpi:hover {
  box-shadow: 0 8px 20px rgba(220, 38, 38, 0.1);
  border-color: var(--primary-red);
  transform: translateY(-2px);
}

.kpi .label {
  color: var(--gray-500);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi .value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-red);
  margin-top: 0.5rem;
}

/* ===== UTILITIES ===== */
.form-help {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 0.75rem;
  font-style: italic;
}

.text-muted {
  color: var(--gray-500) !important;
}

.text-danger {
  color: var(--primary-red) !important;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-red);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-red-hover);
}