/*
 * Grey Crete ERP - Premium Styling System (style.css)
 * Modern corporate Light Mode (White & Blue) UI design system.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* White & Blue Color Palette */
    --bg-primary: #ffffff;           /* Pure white backdrop */
    --bg-secondary: #ffffff;         /* Pure white cards */
    --bg-sidebar: #0f1e36;           /* Deep navy blue corporate sidebar */
    --accent-primary: #1d4ed8;       /* Royal blue */
    --accent-secondary: #3b82f6;     /* Sky blue */
    --accent-glow: rgba(37, 99, 235, 0.08);
    --success: #10b981;              /* Emerald green */
    --warning: #f59e0b;              /* Amber yellow */
    --danger: #ef4444;               /* Coral red */
    --info: #0284c7;                 /* Ocean blue */
    
    /* Text Colors */
    --text-primary: #0f172a;         /* Dark slate text */
    --text-secondary: #475569;       /* Slate gray text */
    --text-muted: #94a3b8;           /* Muted gray text */
    
    /* Structure & Effects */
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-light: #e2e8f0;         /* Clean grey borders */
    --border-glow: rgba(37, 99, 235, 0.25);
    
    /* Shadows & Soft Glassmorphism */
    --shadow-main: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 16px -6px rgba(15, 23, 42, 0.04);
    --shadow-glow: 0 4px 20px rgba(29, 78, 216, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-blur: blur(8px);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling (Navy Corporate Look) */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    padding: 24px 16px;
    transition: var(--transition-normal);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 12px 24px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 24px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 1.25rem;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(to right, #ffffff, var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: #94a3b8; /* Light gray text for dark sidebar */
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.nav-item a i {
    font-size: 1.2rem;
    color: #94a3b8;
    transition: var(--transition-fast);
}

.nav-item.active a {
    color: #ffffff;
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: inset 0 0 8px rgba(59, 130, 246, 0.1);
}

.nav-item.active a i {
    color: var(--accent-secondary);
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.4));
}

.nav-item a:hover:not(.active a) {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.03);
    transform: translateX(4px);
}

.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
    margin-top: auto;
}

.plant-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    color: #94a3b8;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    max-width: calc(100% - var(--sidebar-width));
    flex-grow: 1;
    min-width: 0;
    min-height: 100vh;
    padding: 0 32px 48px 32px;
    transition: var(--transition-normal);
}

/* Header Styling */
.header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 32px;
    padding: 16px 0;
}

.header-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

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

.date-badge {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-main);
}

/* Dynamic Page Panels */
.page-panel {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.page-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dashboard Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.metric-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-main);
}

.metric-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-primary);
    opacity: 0;
    transition: var(--transition-fast);
}

.metric-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-glow);
}

.metric-card:hover::after {
    opacity: 1;
}

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

.metric-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.metric-icon {
    font-size: 1.25rem;
    color: var(--accent-primary);
}

.metric-value {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    font-family: 'Outfit', sans-serif;
}

.metric-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.metric-card.success .metric-icon { color: var(--success); }
.metric-card.success::after { background: var(--success); }
.metric-card.warning .metric-icon { color: var(--warning); }
.metric-card.warning::after { background: var(--warning); }
.metric-card.danger .metric-icon { color: var(--danger); }
.metric-card.danger::after { background: var(--danger); }
.metric-card.info .metric-icon { color: var(--info); }
.metric-card.info::after { background: var(--info); }

/* Dashboard Charts & Visuals Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: var(--shadow-main);
}

.card-title {
    font-size: 1.15rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 12px;
}

.chart-container {
    height: 320px;
    position: relative;
    width: 100%;
}

/* Generic Section Header for modules */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    padding: 10px 18px;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-main);
}

.btn:hover {
    background: #f1f5f9;
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    color: #ffffff;
    font-weight: 600;
    border: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.05);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.15);
    box-shadow: none;
}

.btn-danger:hover {
    background: var(--danger);
    color: #ffffff;
    border-color: var(--danger);
}

.btn-success {
    background: rgba(16, 185, 129, 0.05);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.15);
    box-shadow: none;
}

.btn-success:hover {
    background: var(--success);
    color: #ffffff;
    border-color: var(--success);
}

/* Data Tables */
.table-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow-main);
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background: #f8fafc;
    padding: 16px 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

td {
    padding: 16px 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
    white-space: nowrap;
}

/* Helper to allow wrapping in specific columns */
th.wrap-text, td.wrap-text {
    white-space: normal !important;
    min-width: 220px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: #f8fafc;
}

/* Badges and tags */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: rgba(16, 185, 129, 0.08); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-warning { background: rgba(245, 158, 11, 0.08); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-danger  { background: rgba(239, 68, 68, 0.08); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-info    { background: rgba(59, 130, 246, 0.08); color: var(--accent-primary); border: 1px solid rgba(59, 130, 246, 0.2); }

/* Raw Material Inventory Cards List */
.materials-inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.material-inv-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 24px;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-main);
}

.material-inv-card:hover {
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-glow);
}

.mat-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
}

.material-inv-card.low-stock {
    border-color: rgba(239, 68, 68, 0.25);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.05);
}

.material-inv-card.low-stock .mat-icon-wrapper {
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.mat-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.mat-stock-val {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
}

.mat-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 600px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-20px);
    transition: transform var(--transition-fast);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-box form {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
    max-height: inherit;
}

.modal-overlay.active .modal-box {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8fafc;
}

.modal-title {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    flex-grow: 1;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: #f8fafc;
}

/* Forms layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

input, select, textarea {
    background: #f8fafc;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background: #ffffff;
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}

/* Multi-select sizes in modal recipes */
.size-selection-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    background: #f8fafc;
    max-height: 200px;
    overflow-y: auto;
}

.size-select-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 12px;
    align-items: center;
}

.size-select-row span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.size-select-row input {
    padding: 6px 10px;
    font-size: 0.8rem;
    background: #ffffff;
}

/* Invoice Printing Layout */
.invoice-print-container {
    background: #ffffff;
    color: #0f172a;
    padding: 40px;
    font-family: 'Inter', sans-serif;
    border-radius: var(--border-radius-md);
    max-width: 800px;
    margin: 0 auto;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 24px;
    margin-bottom: 24px;
}

.invoice-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-primary);
    text-transform: uppercase;
}

.invoice-meta {
    text-align: right;
    font-size: 0.85rem;
    color: #64748b;
}

.invoice-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

.invoice-party-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-primary);
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 4px;
    margin-bottom: 8px;
}

.invoice-table {
    width: 100%;
    margin-bottom: 32px;
}

.invoice-table th {
    background: #f1f5f9;
    color: #475569;
    border-bottom: 2px solid #cbd5e1;
    font-weight: 700;
}

.invoice-table td {
    border-bottom: 1px solid #e2e8f0;
    color: #334155;
    padding: 12px 20px;
}

.invoice-totals {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    font-size: 0.95rem;
    margin-bottom: 40px;
}

.invoice-total-row {
    display: grid;
    grid-template-columns: 150px 120px;
    text-align: right;
}

.invoice-total-row.grand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    border-top: 1px solid #cbd5e1;
    padding-top: 8px;
}

.invoice-footer {
    border-top: 2px solid #e2e8f0;
    padding-top: 20px;
    font-size: 0.8rem;
    color: #64748b;
    text-align: center;
}

@media print {
    body * {
        visibility: hidden;
    }
    #print-invoice-modal, #print-invoice-modal * {
        visibility: visible;
    }
    #print-invoice-modal {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        background: white;
    }
    .modal-footer, .close-btn {
        display: none !important;
    }
}

/* Alerts box */
.alert-box {
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-main);
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-bottom: 1px solid var(--border-light);
}

.alert-item:last-child {
    border-bottom: none;
}

.alert-item i {
    font-size: 1.2rem;
}

.alert-item.danger i { color: var(--danger); }
.alert-item.warning i { color: var(--warning); }
.alert-item.success i { color: var(--success); }

.alert-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.alert-text b {
    color: var(--text-primary);
}

/* Tabs styles in Production module */
.tab-headers {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 24px;
}

.tab-header-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    padding: 10px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-header-btn:hover {
    color: var(--text-primary);
}

.tab-header-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Settings Styles */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 32px;
}

@media (max-width: 768px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.settings-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-main);
}

.recipe-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}

.recipe-row:last-child {
    border-bottom: none;
}

/* Weighbridge slip style */
.wb-slip {
    background: #f8fafc;
    border: 1px dashed var(--accent-secondary);
    padding: 16px;
    border-radius: var(--border-radius-sm);
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.wb-slip-title {
    font-weight: bold;
    text-align: center;
    border-bottom: 1px dashed var(--accent-secondary);
    padding-bottom: 6px;
    margin-bottom: 10px;
    color: var(--accent-primary);
}

/* Sidebar backdrop for mobile view overlay */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 99;
    display: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.sidebar-backdrop.active {
    opacity: 1;
}

/* -------------------------------------------------------------
 * RESPONSIVE MOBILE & TABLET MEDIA QUERIES
 * ------------------------------------------------------------- */

@media (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Sidebar Slide-in Overlay for Tablets and Mobiles */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
        transition: transform var(--transition-normal);
        left: 0;
        z-index: 100;
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 10px 0 40px rgba(15, 23, 42, 0.15);
    }
    
    #btn-sidebar-close {
        display: block !important;
    }

    #btn-menu-toggle {
        display: block !important;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0 16px 32px 16px;
        width: 100%;
        max-width: 100% !important;
    }
}

@media (max-width: 768px) {
    /* Header Wrap & Spacing */
    .header {
        height: auto;
        min-height: var(--header-height);
        flex-wrap: wrap;
        gap: 12px;
        padding: 12px 0;
        margin-bottom: 24px;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-end;
        gap: 10px;
    }

    .date-filter-group {
        width: 100%;
        justify-content: center;
        margin-bottom: 4px;
    }

    /* Metrics card font size scale down */
    .metric-card {
        padding: 18px;
    }

    .metric-value {
        font-size: 1.6rem !important;
    }

    .metric-title {
        font-size: 0.75rem;
    }

    /* Scrollable horizontal tabs */
    .tab-headers {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        gap: 6px;
        padding-bottom: 6px;
    }

    .tab-header-btn {
        flex: 0 0 auto;
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    /* Compact Table rows & columns */
    th {
        padding: 12px 10px;
        font-size: 0.75rem;
    }

    td {
        padding: 12px 10px;
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    /* Modal dialog box sizing */
    .modal-box {
        width: calc(100% - 24px);
        margin: 12px 12px 24px 12px;
        max-height: 85vh;
    }

    .modal-body {
        padding: 16px;
    }
    
    /* Settings layout */
    .settings-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Section Header stack */
    .section-header {
        flex-direction: column;
        align-items: stretch !important;
        gap: 12px;
    }
    
    .section-header div {
        display: flex;
        flex-wrap: wrap;
        gap: 8px !important;
        width: 100%;
    }

    .section-header .btn {
        flex: 1 1 auto;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .date-filter-group {
        flex-direction: column;
        align-items: stretch !important;
        width: 100%;
        gap: 6px !important;
        padding: 10px 14px !important;
    }

    .date-filter-group span {
        display: none; /* Hide labels on mobile to save space */
    }

    .date-filter-group input {
        width: 100% !important;
        border: 1px solid var(--border-light) !important;
        border-radius: var(--border-radius-sm);
        padding: 8px 12px !important;
        background: var(--bg-primary) !important;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .header-title {
        font-size: 1.2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }

    .chart-container {
        height: 240px !important;
    }

    th, td {
        padding: 10px 8px !important;
        font-size: 0.78rem !important;
    }

    /* Date badge scaling */
    .date-badge {
        padding: 4px 8px !important;
        font-size: 0.72rem !important;
        gap: 4px !important;
    }
    .date-badge i {
        width: 12px !important;
        height: 12px !important;
    }

    /* Size selector list compact styling */
    .size-select-row span {
        font-size: 0.75rem !important;
    }
    .size-select-row input {
        padding: 4px 6px !important;
        font-size: 0.75rem !important;
    }
}

/* Modal scrolling containment & layout fixes for mobile viewports */
@media (max-width: 768px) {
    .modal-overlay {
        align-items: flex-start !important;
        padding: 12px 0 !important;
        overflow-y: auto !important;
    }
    
    .modal-box {
        max-height: calc(100% - 24px) !important;
        margin: 12px auto !important;
        display: flex !important;
        flex-direction: column !important;
        min-height: 0 !important;
    }
    
    .modal-box form {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 1 auto !important;
        min-height: 0 !important;
        max-height: 100% !important;
        overflow: hidden !important;
    }
    
    .modal-body {
        flex: 1 1 auto !important;
        min-height: 0 !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        padding: 16px !important;
    }
    
    .modal-footer {
        flex-shrink: 0 !important;
        padding: 12px 16px !important;
    }
    
    /* size-select-row stack on mobile */
    .size-select-row {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
        padding: 10px !important;
        background: rgba(0, 0, 0, 0.1) !important;
        border-radius: var(--border-radius-sm) !important;
        border: 1px solid var(--border-light) !important;
        margin-bottom: 12px !important;
    }
    
    .size-select-row.unload-row {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .size-select-row.unload-row > span {
        grid-column: 1 / -1 !important;
        font-weight: 600 !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
        padding-bottom: 4px !important;
    }
    
    .size-select-row.order-row {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .size-select-row.order-row > span {
        grid-column: 1 / -1 !important;
        font-weight: 600 !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
        padding-bottom: 4px !important;
    }
    
    .size-select-row.dispatch-row {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .size-select-row.dispatch-row > span {
        grid-column: 1 / -1 !important;
        font-weight: 600 !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
        padding-bottom: 4px !important;
    }
}