/* 재고관리 시스템 스타일 */

/* 전체 레이아웃 */
.main-content {
    padding: 2rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 섹션 공통 스타일 */
section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    padding: 1.5rem;
}

section h2 {
    color: #333;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

section h2 i {
    color: #007bff;
}

/* 바코드 스캐너 섹션 */
.scanner-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.scanner-input-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.scanner-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.scanner-input:focus {
    outline: none;
    border-color: #007bff;
}

.scan-btn {
    padding: 0.75rem 1.5rem;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.scan-btn:hover {
    background: #0056b3;
}

.scanner-status {
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 4px;
}

.status-text {
    color: #28a745;
    font-weight: 500;
}

/* 상품 정보 폼 */
.product-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* 버튼 스타일 */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-primary:hover {
    background: #0056b3;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #545b62;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #1e7e34;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}



/* 재고 변동 섹션 */
.stock-actions {
    display: flex;
    justify-content: center;
}

.stock-input-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.stock-input {
    width: 120px;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    text-align: center;
}

.stock-select {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    background: white;
}

/* 재고 목록 섹션 */
.inventory-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-group {
    display: flex;
    gap: 0.5rem;
}

.search-input {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    min-width: 250px;
}

.search-btn {
    padding: 0.75rem;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.filter-group {
    display: flex;
    gap: 1rem;
}

.filter-select {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    background: white;
}

/* 재고 테이블 */
.inventory-table-container {
    overflow-x: auto;
}

.inventory-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.inventory-table th,
.inventory-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.inventory-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #555;
}

.inventory-table tbody tr:hover {
    background: #f8f9fa;
}

.stock-status {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
}

.stock-status.low {
    background: #f8d7da;
    color: #721c24;
}

.stock-status.normal {
    background: #d4edda;
    color: #155724;
}

.stock-status.high {
    background: #d1ecf1;
    color: #0c5460;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background-color 0.3s;
}

.edit-btn {
    background: #ffc107;
    color: #212529;
}

.edit-btn:hover {
    background: #e0a800;
}

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

.delete-btn:hover {
    background: #c82333;
}

/* 통계 섹션 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.stat-content h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    opacity: 0.9;
}

.stat-content p {
    margin: 0;
    font-size: 2rem;
    font-weight: bold;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close:hover {
    color: #000;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .inventory-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-group {
        width: 100%;
    }
    
    .search-input {
        min-width: auto;
        flex: 1;
    }
    
    .filter-group {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stock-input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stock-input {
        width: auto;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.5s ease-out;
}

/* 스캐너 상태 표시 */
.scanner-status.scanning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
}

.scanner-status.scanning .status-text {
    color: #856404;
}

.scanner-status.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
}

.scanner-status.error .status-text {
    color: #721c24;
}

.scanner-status.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
}

.scanner-status.success .status-text {
    color: #155724;
}