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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background: #f5f7fa;
  color: #1a1a1a;
  line-height: 1.6;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 20px;
}

.header h1 {
  font-size: 20px;
  font-weight: 600;
}

.status {
  font-size: 12px;
  color: #6b7280;
  background: #f3f4f6;
  padding: 4px 10px;
  border-radius: 12px;
}

section {
  margin-bottom: 24px;
}

section h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #374151;
}

textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  resize: vertical;
  font-family: inherit;
}

.input-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn-primary, .btn-secondary, .btn-success {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.btn-primary { background: #2563eb; color: white; }
.btn-secondary { background: #f3f4f6; color: #374151; }
.btn-success { background: #059669; color: white; margin-top: 12px; width: 100%; }

.card {
  background: white;
  border-radius: 8px;
  padding: 16px;
  border: 1px solid #e5e7eb;
  font-size: 14px;
}

.card .field {
  margin-bottom: 8px;
}

.card .field-label {
  font-weight: 600;
  color: #6b7280;
  font-size: 12px;
}

.card .field-value {
  margin-top: 2px;
}

.search-box {
  display: flex;
  gap: 8px;
}

.search-box input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
}

.filter-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tab {
  padding: 6px 12px;
  border: 1px solid #d1d5db;
  border-radius: 16px;
  background: white;
  font-size: 12px;
  cursor: pointer;
}

.tab.active {
  background: #2563eb;
  color: white;
  border-color: #2563eb;
}

#item-list .item {
  background: white;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
  border: 1px solid #e5e7eb;
}

#item-list .item .tags {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

#item-list .item .tag {
  font-size: 11px;
  background: #eff6ff;
  color: #2563eb;
  padding: 2px 8px;
  border-radius: 10px;
}