:root {
  --primary-color: #2196f3;
  --primary-dark: #1976d2;
  --secondary-color: #757575;
  --background-color: #f5f5f5;
  --surface-color: #ffffff;
  --text-color: #333333;
  --text-secondary: #666666;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--text-color);
  font-size: 14px;
  line-height: 1.5;
  min-width: 320px;
  max-width: 400px;
  min-height: 450px;
}

.container {
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 16px;
}

header {
  text-align: center;
}

header h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-color);
}

.subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.status-card {
  background: var(--surface-color);
  border-radius: 8px;
  padding: 16px;
  border: 1px solid var(--border-color);
}

.status-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.status-icon {
  font-size: 24px;
}

.status-title {
  font-weight: 600;
  font-size: 14px;
}

.status-message {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.sync-info {
  font-size: 12px;
}

.info-row {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.label {
  color: var(--text-secondary);
  flex-shrink: 0;
}

.value {
  flex: 1;
  font-family: monospace;
  background: var(--background-color);
  padding: 4px 8px;
  border-radius: 4px;
}

.add-section {
  background: var(--surface-color);
  border-radius: 8px;
  padding: 16px;
  border: 1px solid var(--border-color);
}

.add-section h2 {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text-color);
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 4px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--font-family);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.form-group textarea {
  min-height: 60px;
  resize: vertical;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

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

.btn-secondary {
  background: var(--surface-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--background-color);
}

.actions-section {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.btn-small {
  padding: 8px 12px;
  font-size: 12px;
}

@media (max-width: 360px) {
  body {
    min-width: 280px;
  }
  
  .container {
    padding: 12px;
  }
  
  header h1 {
    font-size: 18px;
  }
  
  .btn {
    padding: 8px 12px;
    font-size: 12px;
  }
}