/* SaaS App Styles */
.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f8f9fa;
  min-height: 100vh;
}

.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.header h1 {
  margin: 0;
  font-size: 2.5rem;
  font-weight: 300;
}

.header p {
  margin: 0.5rem 0 0 0;
  opacity: 0.9;
  font-size: 1.1rem;
}

.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.dashboard-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-icon {
  font-size: 2rem;
  margin-right: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #495057;
  margin: 0;
}

.card-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.card-subtitle {
  color: #6c757d;
  font-size: 0.9rem;
}

.main-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.section {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
  overflow: hidden;
}

.section-header {
  background: #f8f9fa;
  padding: 1.5rem;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title {
  font-weight: 600;
  color: #495057;
  margin: 0;
  font-size: 1.25rem;
}

.section-content {
  padding: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #495057;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ced4da;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.btn {
  background: #667eea;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.15s ease-in-out;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn:hover {
  background: #5a6fd8;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
  background: #6c757d;
}

.btn-secondary:hover {
  background: #5a6268;
}

.btn-success {
  background: #28a745;
}

.btn-success:hover {
  background: #218838;
}

.btn-danger {
  background: #dc3545;
}

.btn-danger:hover {
  background: #c82333;
}

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

.btn-outline {
  background: transparent;
  border: 2px solid #667eea;
  color: #667eea;
}

.btn-outline:hover {
  background: #667eea;
  color: white;
}

.customer-list {
  max-height: 500px;
  overflow-y: auto;
}

.customer-item {
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.2s ease;
  background: #fafafa;
}

.customer-item:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  transform: translateY(-1px);
}

.customer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.customer-name {
  font-weight: 600;
  color: #495057;
  font-size: 1.1rem;
  margin: 0;
}

.customer-plan {
  background: #667eea;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.customer-email {
  color: #6c757d;
  margin-bottom: 0.5rem;
}

.customer-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: #6c757d;
}

.customer-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status-active {
  color: #28a745;
  font-weight: 500;
}

.status-inactive {
  color: #dc3545;
  font-weight: 500;
}

.status-trial {
  color: #ffc107;
  font-weight: 500;
}

.plan-basic {
  background: #6c757d;
}

.plan-pro {
  background: #667eea;
}

.plan-enterprise {
  background: #28a745;
}

.revenue-chart {
  height: 200px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: #6c757d;
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: #495057;
}

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

.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.analytics-item {
  text-align: center;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

.analytics-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: #667eea;
  margin-bottom: 0.25rem;
}

.analytics-label {
  font-size: 0.875rem;
  color: #6c757d;
}

@media (max-width: 1200px) {
  .dashboard {
    grid-template-columns: 1fr 1fr;
  }
  
  .main-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
  
  .header h1 {
    font-size: 2rem;
  }
  
  .customer-header {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .customer-meta {
    flex-direction: column;
    gap: 0.25rem;
  }
}