* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1rem;
  background: #fafafa;
  color: #333;
  line-height: 1.6;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #111;
}

.add-link {
  margin-bottom: 2rem;
}

.add-link form {
  display: flex;
  gap: 0.5rem;
}

.add-link input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.add-link button {
  padding: 0.75rem 1.5rem;
  background: #333;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

.add-link button:hover {
  background: #555;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.link {
  background: white;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid #eee;
}

.link a {
  font-weight: 600;
  color: #0066cc;
  text-decoration: none;
  font-size: 1.1rem;
}

.link a:hover {
  text-decoration: underline;
}

.link .summary {
  margin: 0.5rem 0;
  color: #555;
}

.link .meta {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.85rem;
  color: #888;
}

.delete-form {
  display: inline;
}

.delete-btn {
  background: none;
  border: none;
  color: #cc0000;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0;
  opacity: 0.5;
}

.delete-btn:hover {
  opacity: 1;
}

.empty {
  color: #888;
  text-align: center;
  padding: 2rem;
}

.edit-btn {
  color: #666;
  text-decoration: none;
  font-size: 0.85rem;
  vertical-align: baseline;
}

.edit-btn:hover {
  color: #333;
}

.edit-form {
  max-width: 500px;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.form-group input:disabled {
  background: #f5f5f5;
  color: #666;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.form-actions button {
  padding: 0.5rem 1.5rem;
  background: #333;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.form-actions .cancel {
  padding: 0.5rem 1rem;
  color: #666;
  text-decoration: none;
}