:root {
  --brand-50: #fff7ed;
  --brand-100: #ffedd5;
  --brand-200: #fed7aa;
  --brand-300: #fdba74;
  --brand-400: #fb923c;
  --brand-500: #f97316;
  --brand-600: #ea580c;
  --brand-700: #c2410c;
  --brand-800: #9a3412;
  --brand-900: #7c2d12;

  --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;

  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  background-color: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand a {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-600);
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s;
}

.nav-link:hover {
  background-color: var(--brand-50);
  color: var(--brand-600);
}

.nav-logout {
  color: var(--error);
}

.nav-logout:hover {
  background-color: #fef2f2;
  color: var(--error);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Footer */
.footer {
  background-color: white;
  border-top: 1px solid var(--gray-200);
  padding: 1rem;
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Cards */
.card {
  background-color: white;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
}

.card-body {
  padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
}

.stat-value.brand {
  color: var(--brand-600);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--brand-600);
  color: white;
}

.btn-primary:hover {
  background-color: var(--brand-700);
}

.btn-secondary {
  background-color: white;
  color: var(--brand-600);
  border: 2px solid var(--brand-600);
}

.btn-secondary:hover {
  background-color: var(--brand-50);
}

.btn-danger {
  background-color: var(--error);
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.5rem;
  background-color: white;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px var(--brand-100);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Tables */
.table-container {
  overflow-x: auto;
}

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

.table th,
.table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.table th {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--gray-50);
}

.table tbody tr:hover {
  background-color: var(--gray-50);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-error {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge-brand {
  background-color: var(--brand-100);
  color: var(--brand-700);
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--brand-50) 0%, white 100%);
}

.login-card {
  background-color: white;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 0.5rem;
}

.login-subtitle {
  color: var(--gray-500);
  text-align: center;
  margin-bottom: 2rem;
}

.login-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.login-brand span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand-600);
}

/* Grid Layout */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

/* Actions */
.actions {
  display: flex;
  gap: 0.5rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--gray-500);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Checkbox */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--brand-600);
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    height: auto;
    padding: 1rem;
  }

  .navbar-menu {
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0.5rem;
  }

  .main-content {
    padding: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: 1fr;
  }
}