/* Reset and base styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f5f5;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  background: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #667eea;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: #666;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover { color: #667eea; }
.nav-links a.active { color: #667eea; font-weight: 500; }

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

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #667eea;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.logout-btn {
  padding: 0.5rem 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: white;
  color: #666;
  text-decoration: none;
  font-size: 0.9rem;
}

.logout-btn:hover { background: #f8f8f8; }

.admin-badge {
  background: #667eea;
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

/* Main content area */
.main {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Buttons */
.btn-primary {
  padding: 0.75rem 1.5rem;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover { background: #5a67d8; }

.btn-cancel {
  padding: 0.75rem 1.25rem;
  background: #f3f4f6;
  color: #666;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.btn-cancel:hover { background: #e5e7eb; }

.btn-save {
  padding: 0.6rem 1.25rem;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-save:hover { background: #5a67d8; }
.btn-save:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-delete {
  padding: 0.6rem 1rem;
  background: #fee2e2;
  color: #dc2626;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-delete:hover { background: #fecaca; }

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  opacity: 0;
  transform: translateY(1rem);
  transition: all 0.3s;
  z-index: 1000;
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: #059669; }
.toast.error { background: #dc2626; }

/* Page header */
.page-header {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-header-content h1 {
  color: #333;
  margin-bottom: 0.5rem;
}

.page-header-content p {
  color: #666;
}

.page-header h1 {
  color: #333;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: #666;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 2rem;
  background: #fafafa;
  font-size: 0.85rem;
  color: #666;
}

.breadcrumb a {
  color: #667eea;
  text-decoration: none;
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-overlay.show { display: flex; }

.modal {
  background: white;
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.modal h2 {
  color: #333;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
}

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

/* Empty state */
.empty-state {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state h3 {
  color: #333;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: #666;
  margin-bottom: 1.5rem;
}