.App {
  min-height: 100vh;
}

.navbar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 1rem 2rem;
  color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.navbar h1 {
  margin: 0;
  font-size: 1.5rem;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.resource-card {
  background: white;
  border-radius: 10px;
  padding: 1rem 1.1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: 1px solid #f1f1f3;
}

.resource-card.compact {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.resource-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.resource-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.resource-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.2rem 0;
}

.resource-url {
  color: #666;
  font-size: 0.8rem;
  word-break: break-all;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-up {
  background: #d4edda;
  color: #155724;
}

.status-down {
  background: #f8d7da;
  color: #721c24;
}

.status-unknown {
  background: #e2e3e5;
  color: #383d41;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: #333;
  margin: 0;
}

.stat-value.small {
  font-size: 1.05rem;
}

.stat-label {
  font-size: 0.75rem;
  color: #666;
  text-transform: uppercase;
  margin: 0;
}

.resource-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  gap: 0.75rem;
}

.sparkline {
  width: 100%;
  height: 52px;
}

.last-check {
  margin: 0;
  font-size: 0.75rem;
  color: #999;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.btn-danger {
  background: #dc3545;
  color: white;
}

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

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 {
  margin-top: 0;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #333;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
}

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

.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
}

.detail-section {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.detail-section h2 {
  margin-top: 0;
  color: #333;
}

.chart-container {
  margin-top: 1rem;
  height: 300px;
}

.incident-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #fff3cd;
  color: #856404;
  border-radius: 6px;
  font-weight: 600;
  margin-bottom: 1rem;
}

.back-button {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  background: #6c757d;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s;
}

.back-button:hover {
  background: #5a6268;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: #666;
}

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