* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f4f5f7;
  color: #1a1a1a;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 20px;
}

header {
  margin-bottom: 32px;
}

h1 {
  margin: 0 0 4px;
  font-size: 1.8rem;
}

.subtitle {
  color: #666;
  margin: 0;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input,
textarea {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}

textarea {
  min-height: 70px;
  resize: vertical;
}

button {
  padding: 10px 16px;
  background: #1a73e8;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
}

button:hover {
  background: #1558b3;
}

#status-message {
  min-height: 1.2em;
  font-size: 0.9rem;
  color: #1a73e8;
}

.item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}

.item:last-child {
  border-bottom: none;
}

.item-content h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.item-content p {
  margin: 0;
  color: #555;
  font-size: 0.9rem;
}

.delete-btn {
  background: #e8483a;
  padding: 6px 12px;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-left: 12px;
}

.delete-btn:hover {
  background: #c93a2e;
}

.loading,
.empty,
.error {
  color: #888;
  font-size: 0.9rem;
}

.error {
  color: #c93a2e;
}