:root {
  --primary: #5a67d8;
  --primary-dark: #4c51bf;
  --secondary: #718096;
  --success: #48bb78;
  --danger: #e53e3e;
  --background: #f7fafc;
  --card: #ffffff;
  --text: #2d3748;
  --border: #e2e8f0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--background);
  color: var(--text);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

h1 {
  margin: 0;
  color: var(--primary);
}

.instance {
  background-color: var(--card);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.instance-header {
  background-color: var(--primary);
  color: white;
  padding: 1rem;
  font-weight: bold;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.instance-count {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background-color: #f9fafb;
  font-weight: 500;
}

tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success {
  background-color: #c6f6d5;
  color: #22543d;
}

.badge-warning {
  background-color: #feebc8;
  color: #7b341e;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
  border: none;
}

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

.btn-danger:hover {
  background-color: #c53030;
}

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

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

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--secondary);
}

.loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  color: white;
  font-size: 1.25rem;
}

.hidden {
  display: none;
}