:root {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  color: #202124;
  background: #f7f7f7;
}

body {
  margin: 0;
  padding: 2rem;
}

header {
  margin-bottom: 1rem;
}

header h1 {
  margin-bottom: 0.2rem;
}

.actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

button {
  border: none;
  background: #4285f4;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

button.danger {
  background: #d93025;
}

button.primary {
  background: #1a73e8;
}

.table-wrapper {
  overflow-x: auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

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

th, td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid #eee;
}

th {
  background: #fafafa;
  font-weight: 600;
}

tr.blocked {
  background: #fff4f4;
}

.actions-cell button {
  margin-right: 0.3rem;
}

.alias {
  font-weight: 600;
}

.device-name {
  font-size: 0.85rem;
  color: #5f6368;
}

.empty {
  text-align: center;
  padding: 2rem;
  color: #5f6368;
}