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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #ddd;
}

h2 {
  font-size: 1rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 12px;
}

/* 統計サマリー */
.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.stat-card {
  background: #fff;
  border-radius: 8px;
  padding: 12px 8px;
  text-align: center;
  border: 1px solid #e0e0e0;
}

.stat-card.good {
  border-color: #4caf50;
  background: #f1f8f1;
}

.stat-card.bad {
  border-color: #f44336;
  background: #fef1f1;
}

.stat-card.rate {
  border-color: #ff9800;
  background: #fff8f0;
}

.stat-label {
  font-size: 0.7rem;
  color: #888;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: #222;
}

.stat-card.good .stat-value { color: #2e7d32; }
.stat-card.bad .stat-value { color: #c62828; }
.stat-card.rate .stat-value { color: #e65100; }

/* フォームセクション */
.form-section {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid #e0e0e0;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 4px;
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.95rem;
  background: #fafafa;
  color: #333;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #2196f3;
  background: #fff;
}

/* 判定ボタン */
.judgment-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.btn-good,
.btn-bad {
  padding: 14px;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-good {
  background: #4caf50;
  color: #fff;
}

.btn-bad {
  background: #f44336;
  color: #fff;
}

.btn-good:hover { opacity: 0.85; }
.btn-bad:hover { opacity: 0.85; }

/* 不良原因フォーム */
.defect-form {
  border-top: 1px solid #eee;
  padding-top: 12px;
  margin-top: 4px;
}

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

.btn-confirm-bad {
  flex: 1;
  padding: 10px;
  background: #f44336;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.btn-confirm-bad:hover { opacity: 0.85; }

.btn-cancel {
  padding: 10px 16px;
  background: #eee;
  color: #555;
  font-size: 0.9rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.btn-cancel:hover { background: #ddd; }

/* 原因別集計 */
.defect-summary {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid #f44336;
}

#defectBreakdown {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.breakdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.breakdown-label {
  flex: 1;
  color: #555;
}

.breakdown-bar-wrap {
  flex: 2;
  background: #f0f0f0;
  border-radius: 4px;
  height: 10px;
  overflow: hidden;
}

.breakdown-bar {
  height: 100%;
  background: #f44336;
  border-radius: 4px;
  transition: width 0.3s;
}

.breakdown-count {
  width: 36px;
  text-align: right;
  font-weight: 600;
  color: #c62828;
}

/* 記録一覧 */
.records-section {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  border: 1px solid #e0e0e0;
}

.records-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

#recordCount {
  font-size: 0.85rem;
  color: #888;
  font-weight: 400;
}

.btn-clear {
  padding: 6px 12px;
  background: #fff;
  color: #f44336;
  border: 1px solid #f44336;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}

.btn-clear:hover {
  background: #fef1f1;
}

#recordList {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.record-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  background: #fafafa;
  font-size: 0.88rem;
}

.record-item.is-good {
  border-color: #a5d6a7;
  background: #f9fdf9;
}

.record-item.is-bad {
  border-color: #ef9a9a;
  background: #fdf5f5;
}

.record-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 1px;
}

.is-good .record-badge {
  background: #4caf50;
  color: #fff;
}

.is-bad .record-badge {
  background: #f44336;
  color: #fff;
}

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

.record-main {
  color: #333;
  font-weight: 500;
}

.record-sub {
  color: #888;
  font-size: 0.8rem;
  margin-top: 2px;
}

.record-time {
  color: #aaa;
  font-size: 0.78rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.record-delete {
  background: none;
  border: none;
  color: #ccc;
  font-size: 1rem;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  flex-shrink: 0;
}

.record-delete:hover { color: #f44336; }

.empty-msg {
  text-align: center;
  color: #bbb;
  font-size: 0.9rem;
  padding: 20px 0;
}

/* レスポンシブ */
@media (max-width: 480px) {
  .summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-value {
    font-size: 1.2rem;
  }
}