/* Modern Electrical Warehouse Management System CSS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-elevated: #334155;
    --bg-glass: rgba(30, 41, 59, 0.75);
    
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: rgba(59, 130, 246, 0.15);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --info: #06b6d4;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;

    --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-danger: 0 0 20px rgba(239, 68, 68, 0.3);

    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

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

body {
    font-family: 'Sarabun', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Layout Grid */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    gap: 24px;
    flex-shrink: 0;
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px;
}

.brand-logo {
    width: 48px;
    height: 48px;
    background: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    padding: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-title h1 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.brand-title p {
    font-size: 12px;
    color: var(--text-secondary);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    list-style: none;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-primary);
    color: #ffffff;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-danger);
}

/* Sidebar Footer / System Quick Status */
.sidebar-footer {
    margin-top: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    padding: 14px;
    border: 1px solid var(--border-color);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.dot-online {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.08), transparent 40%),
                radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.05), transparent 40%);
}

.top-bar {
    min-height: 70px;
    height: auto;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-glow);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: var(--shadow-danger);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.05);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

/* Page Views Container */
.page-container {
    padding: 32px;
    display: none;
}

.page-container.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard KPI Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
    cursor: pointer;
    position: relative;
    user-select: none;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.stat-card.active-filter {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-surface-elevated), var(--bg-surface));
    box-shadow: var(--shadow-glow);
}

.stat-card.active-filter::after {
    content: "✓ เลือก";
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-primary);
    background: var(--accent-light);
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

.stat-info h3 {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 6px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.stat-card.total .stat-icon { background: var(--accent-light); color: var(--accent-primary); }
.stat-card.info .stat-icon { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-card.normal .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-card.warning .stat-icon { background: var(--warning-bg); color: var(--warning); }
.stat-card.danger .stat-icon { background: var(--danger-bg); color: var(--danger); }

/* TOP CHARTS GRID POSITIONING */
.top-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 24px;
    margin-bottom: 28px;
}

.chart-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.chart-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
}

/* Interactive Filter Pills */
.filter-pills-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-pill {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-pill:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.filter-pill.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

/* Quick Action Scan Banner */
.scan-banner {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(51, 65, 85, 0.9));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-glow);
}

.scan-banner-info h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

.scan-banner-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Table Styles */
.table-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-bottom: 32px;
}

.table-header {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 16px;
}

.table-title {
    font-size: 16px;
    font-weight: 700;
}

.search-filter-bar {
    display: flex;
    gap: 12px;
}

.search-input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    color: var(--text-primary);
    font-size: 14px;
    width: 260px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.data-table th {
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr {
    transition: var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.badge-danger { background: rgba(239, 68, 68, 0.18); color: #ef4444; }
.badge-orange { background: rgba(234, 88, 12, 0.18); color: #f97316; }
.badge-lime { background: rgba(132, 204, 22, 0.18); color: #a3e635; }
.badge-lightgreen { background: rgba(16, 185, 129, 0.18); color: #34d399; }
.badge-success { background: rgba(5, 150, 105, 0.2); color: #10b981; }
.badge-info { background: rgba(59, 130, 246, 0.18); color: #3b82f6; }

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Printable Barcode Labels */
.barcode-labels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.barcode-label-item {
    background: #ffffff;
    color: #000000;
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    border: 2px dashed #cbd5e1;
}

.barcode-label-item h4 {
    font-size: 12px;
    margin-bottom: 8px;
    height: 36px;
    overflow: hidden;
}

.barcode-label-item svg {
    max-width: 100%;
    height: 50px;
}

/* Responsive Rules for Mobile & Tablet */
@media (max-width: 1024px) {
    .top-charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    body {
        font-size: 13px;
        overflow-x: hidden;
    }

    .app-container {
        flex-direction: column !important;
        height: auto !important;
        min-height: 100vh;
        overflow-y: auto !important;
        overflow-x: hidden !important;
    }

    /* Mobile Sidebar & Top Horizontal Touch Nav Bar */
    .sidebar {
        width: 100% !important;
        height: auto !important;
        padding: 10px 14px !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color) !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 1000 !important;
        background: #0f172a !important;
        backdrop-filter: blur(12px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    }

    .brand-header {
        margin-bottom: 6px !important;
        gap: 10px;
    }

    .brand-logo {
        width: 32px !important;
        height: 32px !important;
    }

    .brand-title h1 {
        font-size: 14px !important;
    }

    .brand-title p {
        font-size: 10px !important;
    }

    .nav-list {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        gap: 6px !important;
        padding: 4px 0 8px 0 !important;
        margin-bottom: 0 !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-list::-webkit-scrollbar {
        display: none;
    }

    .nav-item {
        padding: 6px 12px !important;
        font-size: 12px !important;
        border-radius: var(--radius-sm);
        flex-shrink: 0 !important;
        white-space: nowrap !important;
    }

    .sidebar-footer {
        display: none !important;
    }

    /* Main Content for Mobile */
    .main-content {
        padding: 12px !important;
        height: auto !important;
        overflow-y: visible !important;
    }

    /* Header & Action Buttons */
    .top-bar {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        height: auto !important;
        min-height: auto !important;
        padding: 12px 14px !important;
        gap: 12px !important;
        margin-bottom: 20px !important;
        position: relative !important;
        top: auto !important;
        z-index: 10 !important;
        clear: both !important;
    }

    .page-title {
        font-size: 16px !important;
        line-height: 1.3 !important;
    }

    .top-actions {
        display: flex !important;
        flex-direction: column !important;
        gap: 8px !important;
        width: 100% !important;
        position: relative !important;
        z-index: 10 !important;
        margin-top: 6px !important;
    }

    .top-actions .btn {
        width: 100% !important;
        flex: 1 1 100% !important;
        font-size: 12px !important;
        padding: 10px 12px !important;
        justify-content: center !important;
        text-align: center !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-break: break-word !important;
        min-height: 42px !important;
        line-height: 1.3 !important;
        margin: 0 0 4px 0 !important;
    }

    /* KPI Cards Grid for Mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        margin-top: 10px !important;
        margin-bottom: 20px !important;
        clear: both !important;
        position: relative !important;
        z-index: 1 !important;
    }

    .stat-card {
        padding: 12px !important;
    }

    .stat-title {
        font-size: 11px !important;
    }

    .stat-value {
        font-size: 20px !important;
    }

    .stat-icon {
        font-size: 16px !important;
    }

    /* Chart Wrappers */
    .chart-wrapper {
        height: 220px !important;
    }

    /* Table Cards & Filter Bar for Mobile */
    .table-card {
        margin-bottom: 20px !important;
        position: relative !important;
        z-index: 1 !important;
        overflow: hidden !important;
    }

    .table-header {
        padding: 12px 14px !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }

    .table-title {
        font-size: 14px !important;
        line-height: 1.4 !important;
    }

    .filter-pills-bar {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        gap: 6px !important;
        padding-bottom: 6px !important;
        -webkit-overflow-scrolling: touch;
        width: 100% !important;
    }

    .filter-pill {
        font-size: 11px !important;
        padding: 6px 12px !important;
        flex-shrink: 0 !important;
        white-space: nowrap !important;
    }

    .search-input {
        width: 100% !important;
        max-width: 100% !important;
    }

    .data-table th, 
    .data-table td {
        padding: 8px 10px !important;
        font-size: 12px !important;
        white-space: nowrap !important;
    }

    /* Modals for Mobile */
    .modal-card {
        padding: 20px 16px !important;
        max-width: 95vw !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
        border-radius: var(--radius-md) !important;
    }

    .modal-title {
        font-size: 16px !important;
    }

    .form-control {
        font-size: 14px !important;
        padding: 10px 12px !important;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Item Image Thumbnail & Preview Styles */
.item-thumb-container {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.item-thumb-container:hover {
    transform: scale(1.1);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.item-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-thumb-placeholder {
    font-size: 20px;
    color: var(--text-muted);
    opacity: 0.7;
}

.item-flex-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Image Upload & Viewer Box in Modal */
.image-upload-box {
    background: rgba(0, 0, 0, 0.25);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.image-upload-box:hover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.05);
}

.image-preview-modal-content {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius-lg);
    object-fit: contain;
    box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}

/* Print Media Styles for Reports & History Logs */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
        font-size: 11pt !important;
    }

    .sidebar,
    .top-bar,
    .top-actions,
    .nav-list,
    .btn,
    .modal-overlay,
    .filter-pill,
    .search-filter-bar {
        display: none !important;
    }

    .app-container,
    .main-content,
    .page-container {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        height: auto !important;
    }

    .table-card {
        border: none !important;
        box-shadow: none !important;
        background: transparent !important;
        margin-bottom: 0 !important;
    }

    .table-header {
        border-bottom: 2px solid #000000 !important;
        padding: 10px 0 !important;
    }

    .table-title {
        color: #000000 !important;
        font-size: 16pt !important;
    }

    .data-table {
        width: 100% !important;
        border-collapse: collapse !important;
    }

    .data-table th,
    .data-table td {
        border: 1px solid #64748b !important;
        color: #000000 !important;
        padding: 6px 10px !important;
        font-size: 10pt !important;
        background: transparent !important;
    }

    .data-table th {
        background: #e2e8f0 !important;
        font-weight: bold !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .badge {
        border: 1px solid #000 !important;
        color: #000 !important;
        background: none !important;
    }
}