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

:root {
  --primary: #667eea;
  --primary-dark: #5568d3;
  --secondary: #764ba2;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
}

#app-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.app-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.app-nav a {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
}

.app-nav a:hover {
  color: var(--primary);
}

.app-nav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-name {
  color: var(--gray-700);
  font-weight: 500;
}

.user-role {
  padding: 0.25rem 0.75rem;
  background: var(--primary);
  color: white;
  border-radius: 12px;
  font-size: 0.875rem;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  flex: 1;
}

/* Auth Page */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.auth-card {
  background: white;
  border-radius: 16px;
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  width: 100%;
  max-width: 400px;
}

.auth-card h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
}

.auth-card p {
  color: var(--gray-600);
  margin-bottom: 2rem;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

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

.form-array {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-array-item {
  display: flex;
  gap: 0.5rem;
}

.form-array-item input {
  flex: 1;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

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

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

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-700);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

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

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

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-block {
  width: 100%;
}

/* Cards */
.card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

.card h2 {
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

/* Alert */
.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.alert-error {
  background: #fee;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.alert-success {
  background: #efe;
  color: var(--success);
  border: 1px solid var(--success);
}

/* Loading */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--gray-600);
}

.spinner {
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.dashboard-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.dashboard-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.dashboard-card h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Content Editor */
.content-section {
  margin-bottom: 3rem;
}

.content-section h3 {
  margin-bottom: 1rem;
  color: var(--gray-900);
}

/* Badges */
.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: capitalize;
}

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

.badge-in_use {
  background: #fed7aa;
  color: #92400e;
}

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

.badge-retired {
  background: #e5e7eb;
  color: #374151;
}

.badge-approved {
  background: #dbeafe;
  color: #1e40af;
}

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

.badge-completed {
  background: #e5e7eb;
  color: #374151;
}

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

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .app-header {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
  }

  .app-nav {
    flex-direction: column;
    gap: 0.5rem;
  }

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