* {
  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;
}

header {
  background: #2c7be5;
  color: #fff;
  padding: 16px 20px;
  text-align: center;
}

header h1 {
  font-size: 1.3rem;
  font-weight: 700;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #555;
}

/* 登録フォーム */
.form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.form-row input[type="text"] {
  flex: 2;
  min-width: 120px;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.95rem;
}

.form-row input[type="number"] {
  flex: 1;
  min-width: 80px;
  padding: 10px 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.95rem;
  text-align: center;
}

.form-row button {
  padding: 10px 18px;
  background: #2c7be5;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}

.form-row button:hover {
  background: #1a6bd0;
}

/* 検品リスト */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty-msg {
  text-align: center;
  color: #aaa;
  padding: 24px 0;
  font-size: 0.9rem;
}

.item-row {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item-row.status-ok {
  border-left: 4px solid #28a745;
}

.item-row.status-shortage {
  border-left: 4px solid #dc3545;
}

.item-row.status-excess {
  border-left: 4px solid #007bff;
}

.item-row.status-pending {
  border-left: 4px solid #aaa;
}

.item-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.item-name {
  font-weight: 600;
  font-size: 1rem;
  flex: 1;
}

.order-label {
  font-size: 0.85rem;
  color: #666;
  background: #f0f0f0;
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
}

.item-bottom {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.arrival-input-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.arrival-input-wrap label {
  font-size: 0.85rem;
  color: #555;
  white-space: nowrap;
}

.arrival-input {
  width: 80px;
  padding: 6px 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.95rem;
  text-align: center;
}

.diff-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

.diff-ok {
  background: #d4edda;
  color: #155724;
}

.diff-shortage {
  background: #f8d7da;
  color: #721c24;
}

.diff-excess {
  background: #cce5ff;
  color: #004085;
}

.diff-pending {
  background: #e9ecef;
  color: #6c757d;
}

.delete-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: #aaa;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.delete-btn:hover {
  color: #dc3545;
  background: #f8d7da;
}

/* アクション */
.actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.btn-secondary {
  padding: 8px 16px;
  background: #f5f5f5;
  color: #555;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #e9e9e9;
}

/* サマリー */
.summary-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.summary-item {
  flex: 1;
  min-width: 70px;
  background: #f9f9f9;
  border-radius: 8px;
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.summary-item .label {
  font-size: 0.75rem;
  color: #888;
}

.summary-item .value {
  font-size: 1.3rem;
  font-weight: 700;
  color: #333;
}

.summary-item .value.ok { color: #28a745; }
.summary-item .value.shortage { color: #dc3545; }
.summary-item .value.excess { color: #007bff; }
.summary-item .value.pending { color: #999; }

@media (max-width: 480px) {
  .form-row {
    flex-direction: column;
  }
  .form-row input,
  .form-row button {
    width: 100%;
  }
}