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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
  color: #333;
  font-size: 16px;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.4rem;
  color: #1b5e20;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid #2e7d32;
}

h2 {
  font-size: 1rem;
  color: #2e7d32;
  margin-bottom: 12px;
}

/* フォームセクション */
.form-section {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 4px;
  font-weight: 600;
}

.form-group input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #2e7d32;
}

.btn-primary {
  width: 100%;
  padding: 11px;
  background: #2e7d32;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: #1b5e20;
}

/* フィルタ */
.filter-section {
  background: #fff;
  border-radius: 8px 8px 0 0;
  padding: 16px 16px 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: -1px;
}

.tab {
  padding: 8px 18px;
  border: none;
  background: #f0f0f0;
  border-radius: 6px 6px 0 0;
  font-size: 0.9rem;
  cursor: pointer;
  color: #666;
  transition: background 0.2s, color 0.2s;
}

.tab.active {
  background: #2e7d32;
  color: #fff;
  font-weight: 600;
}

/* 件数表示 */
.summary {
  background: #fff;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: #666;
  border-left: 4px solid #2e7d32;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* 一覧 */
.list {
  background: #fff;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  overflow: hidden;
}

.empty-msg {
  padding: 32px;
  text-align: center;
  color: #aaa;
  font-size: 0.95rem;
}

/* カード */
.record-card {
  padding: 14px 16px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.record-card:last-child {
  border-bottom: none;
}

.record-card.returned {
  opacity: 0.6;
  background: #fafafa;
}

.status-badge {
  flex-shrink: 0;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge.unreturned {
  background: #ffecb3;
  color: #e65100;
}

.status-badge.returned {
  background: #e8f5e9;
  color: #2e7d32;
}

.record-info {
  flex: 1;
  min-width: 0;
}

.record-tool {
  font-size: 1rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 4px;
  word-break: break-all;
}

.record-meta {
  font-size: 0.82rem;
  color: #777;
  margin-bottom: 2px;
}

.record-memo {
  font-size: 0.82rem;
  color: #999;
  font-style: italic;
  word-break: break-all;
}

.record-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

.btn-return {
  padding: 6px 12px;
  background: #2e7d32;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-return:hover {
  background: #1b5e20;
}

.btn-delete {
  padding: 6px 12px;
  background: #fff;
  color: #c62828;
  border: 1px solid #c62828;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.btn-delete:hover {
  background: #c62828;
  color: #fff;
}

/* レスポンシブ */
@media (max-width: 480px) {
  .record-card {
    flex-wrap: wrap;
  }

  .record-actions {
    flex-direction: row;
    width: 100%;
  }

  .btn-return,
  .btn-delete {
    flex: 1;
    text-align: center;
  }

  .tab {
    padding: 7px 12px;
    font-size: 0.85rem;
  }
}