:root {
  --admin-primary: #0A58FF;
  --admin-primary-hover: #0847d4;
  --admin-secondary: #fff;
  --admin-accent: #FFC700;
  --admin-success: #10b981;
  --admin-warning: #FFC700;
  --admin-danger: #ef4444;
  --admin-text: #111;
  --admin-text-muted: #64748b;
  --admin-border: #e2e8f0;
  --admin-bg: #fff;
  --admin-bg-muted: #fff;
  --admin-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}


body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--admin-text);
  background-color: var(--admin-bg);
}


.admin-header {
  background: linear-gradient(135deg, var(--admin-primary), var(--admin-primary-hover));
  color: white;
  box-shadow: var(--admin-shadow);
}

.admin-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.admin-header a {
  color: white;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.admin-header a:hover {
  opacity: 0.8;
}


.admin-sidebar {
  background: var(--admin-bg);
  border-right: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow);
}

.admin-sidebar-item {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin: 0.25rem;
  transition: all 0.2s ease;
  color: var(--admin-text);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.admin-sidebar-item:hover {
  background: var(--admin-accent);
  color: var(--admin-text);
  text-decoration: none;
  transform: translateX(4px);
}

.admin-sidebar-item.active {
  background: var(--admin-primary);
  color: white;
}

.admin-sidebar-icon {
  margin-right: 0.75rem;
  font-size: 1.25rem;
}


.admin-content {
  background: var(--admin-bg);
  border-radius: 0.75rem;
  margin: 1rem;
  padding: 1.5rem;
  box-shadow: var(--admin-shadow);
}


.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--admin-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--admin-border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}


.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background: var(--admin-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--admin-shadow-lg);
}

.btn-secondary {
  background: var(--admin-secondary);
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
}

.btn-secondary:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.btn-success {
  background: var(--admin-success);
  color: white;
}

.btn-warning {
  background: var(--admin-warning);
  color: white;
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}


.table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: var(--admin-shadow);
}

.table th {
  background: var(--admin-bg-muted);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--admin-text);
  border-bottom: 1px solid var(--admin-border);
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--admin-border);
}

.table tbody tr:hover {
  background: var(--admin-bg-muted);
}


.card {
  background: var(--admin-bg);
  border-radius: 0.75rem;
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-border);
  overflow: hidden;
}

.card-header {
  padding: 1.5rem;
  background: var(--admin-bg-muted);
  border-bottom: 1px solid var(--admin-border);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--admin-text);
}

.card-body {
  padding: 1.5rem;
}


.alert {
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border-left-color: var(--admin-success);
}

.alert-warning {
  background: #fffbeb;
  color: #92400e;
  border-left-color: var(--admin-warning);
}

.alert-error,
.alert-danger {
  background: #fef2f2;
  color: #991b1b;
  border-left-color: var(--admin-danger);
}

.alert-info {
  background: #eff6ff;
  color: #1e40af;
  border-left-color: var(--admin-primary);
}


.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
}

.badge-primary {
  background: var(--admin-primary);
  color: white;
}

.badge-success {
  background: var(--admin-success);
  color: white;
}

.badge-warning {
  background: var(--admin-warning);
  color: white;
}

.badge-danger {
  background: var(--admin-danger);
  color: white;
}

.badge-secondary {
  background: var(--admin-secondary);
  color: var(--admin-text);
}


.breadcrumb {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--admin-bg-muted);
  border-bottom: 1px solid var(--admin-border);
  gap: 0.5rem;
}

.breadcrumb a {
  color: var(--admin-primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}


.loading {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--admin-border);
  border-radius: 50%;
  border-top-color: var(--admin-primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: 50;
    height: 100vh;
    transition: transform 0.3s ease;
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-content {
    margin: 0.5rem;
    padding: 1rem;
  }

  .table {
    font-size: 0.75rem;
  }

  .table th,
  .table td {
    padding: 0.5rem;
  }
}


@media (prefers-color-scheme: dark) {
  :root {
    --admin-text: #fff;
    --admin-text-muted: #94a3b8;
    --admin-border: #334155;
    --admin-bg: #181818;
    --admin-bg-muted: #181818;
    --admin-secondary: #181818;
  }
}


@media print {
  .admin-sidebar,
  .admin-header,
  .btn {
    display: none !important;
  }
  
  .admin-content {
    margin: 0;
    box-shadow: none;
    border-radius: 0;
  }
}