/* ========================================
   Fabric Warehouse Capacity Management
   CSS Design System & Styles
   ======================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Colors */
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;

    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;

    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-input: #1e293b;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: #334155;
    --border-radius: 12px;
    --border-radius-sm: 8px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;

    /* Sidebar */
    --sidebar-width: 240px;
    --sidebar-collapsed: 70px;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================
   Top Navigation Bar
   ======================================== */
.top-nav {
    width: 100%;
    height: 70px;
    background: linear-gradient(90deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
}

.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: fit-content;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    /* Sidebar style - fixed to right edge */
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.3);
    flex-direction: column;
    z-index: 999;
    overflow-y: auto;
    /* Animation - slide in from right */
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease,
        visibility 0.3s ease;
    display: flex;
}

.nav-menu.show {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

/* Backdrop overlay when menu is open */
.nav-backdrop {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    /* Animation */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-backdrop.show {
    opacity: 1;
    visibility: visible;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
    white-space: nowrap;
    border-bottom: 1px solid var(--border-color);
}

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

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-glow);
}

.nav-icon {
    font-size: 1.1rem;
}

.nav-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ========================================
   Main Content Area
   ======================================== */
.main-content {
    flex: 1;
    min-height: 100vh;
    padding-top: 70px;
    /* Offset for top nav */
}

/* Relocated header elements to top-nav */
.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    display: block;
}

.alert-badge {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
}

.badge-icon {
    font-size: 1.4rem;
}

.current-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
}

/* Page Container */
.page-container {
    padding: 2rem;
}

.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Dashboard Stats Grid
   ======================================== */
/* Dashboard Layout - 3 Column Top Row */
.top-stats-row {
    display: grid;
    grid-template-columns: 2.5fr 1fr 2.5fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Tab 1: Gauge + Vertical Stats */
.gauge-stats-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    min-height: 240px;
}

.gauge-stats-card .capacity-gauge {
    flex-shrink: 0;
}

.gauge-stats-card .gauge-circle {
    width: 120px;
    height: 120px;
}

.gauge-stats-card .gauge-circle::before {
    width: 90px;
    height: 90px;
}

.gauge-stats-card .gauge-value {
    font-size: 1.8rem;
}

.gauge-stats-card .gauge-label {
    font-size: 0.85rem;
}

.vertical-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
    flex: 1;
}

.stats-vertical-item {
    display: flex;
    flex-direction: column;
}

.stats-vertical-item .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 5px;
}

.stats-vertical-item .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
}

/* Tab 2 & 3: Individual Cards */
#page-dashboard .top-stats-row .stat-card,
#page-dashboard .top-stats-row .chart-card {
    margin-bottom: 0;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}

#page-dashboard .top-stats-row .chart-card {
    justify-content: space-between;
}

#page-dashboard .top-stats-row .chart-card .chart-title {
    margin-bottom: 1rem;
    font-size: 1.6rem;
    font-weight: 700;
}

#page-dashboard .top-stats-row .chart-card .chart-container {
    height: 160px;
    flex: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.shelf-cell {
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.shelf-cell:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    z-index: 5;
    border-color: var(--primary-light);
}

.shelf-id-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.shelf-mini-stats {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 4px;
    border-radius: 4px;
}

.shelf-cell.empty {
    border-style: dashed;
    opacity: 0.6;
}

.shelf-cell.partial {
    background: linear-gradient(135deg, #1e293b 0%, #3b82f6 100%);
    border-color: var(--primary);
}

.shelf-cell.full {
    background: linear-gradient(135deg, #1e293b 0%, #f59e0b 100%);
    border-color: var(--warning);
}

/* Shelf Summary Grid in Detail View */
.shelf-summary-card {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.summary-item .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary-item .value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-item .value small {
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 2px;
}

.summary-item.highlight .value {
    color: var(--primary-light);
}

.summary-item.danger .value {
    color: var(--danger-light);
}

.summary-item.warning .value {
    color: var(--warning-light);
}

.shelf-grid {
    display: grid;
    gap: 0.75rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-icon {
    font-size: 2.5rem;
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card-hover);
    border-radius: var(--border-radius-sm);
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

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

/* Capacity Card Special Styling */
.capacity-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    grid-column: span 1;
}

.capacity-gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.gauge-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(var(--success) 0deg,
            var(--success) calc(var(--capacity, 0) * 3.6deg),
            var(--bg-card-hover) calc(var(--capacity, 0) * 3.6deg));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.gauge-circle::before {
    content: '';
    position: absolute;
    width: 90px;
    height: 90px;
    background: var(--bg-card);
    border-radius: 50%;
}

.gauge-value {
    position: relative;
    z-index: 1;
    font-size: 1.75rem;
    font-weight: 700;
}

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

.capacity-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: var(--bg-card-hover);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
}

.capacity-status.danger .status-indicator {
    background: var(--danger);
}

.capacity-status.warning .status-indicator {
    background: var(--warning);
}

.capacity-status.safe .status-indicator {
    background: var(--success);
}

.status-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ========================================
   Charts
   ======================================== */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.chart-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.chart-container {
    height: 250px;
    position: relative;
}

/* Capital Card Layout Refined */
.capital-content {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    height: calc(100% - 3.5rem);
}

.capital-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    flex: 1;
}

.capital-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.capital-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.capital-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.capital-value.at-risk {
    color: var(--warning);
}

.capital-value.stagnant {
    color: var(--danger);
}

.capital-chart-container {
    width: 250px;
    height: 250px;
    flex-shrink: 0;
}

/* ========================================
   Activity Section
   ======================================== */
.activity-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-card-hover);
    border-radius: var(--border-radius-sm);
}

.activity-icon {
    font-size: 1.25rem;
    min-width: 32px;
    text-align: center;
}

.activity-info {
    flex: 1;
}

.activity-text {
    font-size: 0.9rem;
    color: var(--text-primary);
}

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

/* ========================================
   Forms
   ======================================== */
.form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    /* Limit width for better laptop display */
    margin-left: auto;
    margin-right: auto;
}

.form-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.data-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-grid {
    display: grid;
    /* Increased min-width to 300px to better balance columns (typically 3 cols) and prevent overflow */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

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

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    /* Ensure inputs don't overflow their grid cells */
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

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

.btn-danger:hover {
    background: var(--danger-light);
}

/* ========================================
   Tables
   ======================================== */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    /* Match form-container width */
    margin-left: auto;
    margin-right: auto;
}

.table-wrapper {
    overflow-x: auto;
    width: 100%;
    /* Ensure it doesn't push parent width */
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th,
.data-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-card-hover);
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.data-table tbody td {
    color: var(--text-primary);
}

/* Forecast Table */
.data-table {
    width: 100%;
    min-width: 100%;
    /* Changed from just width to allow expansion */
    border-collapse: collapse;
    font-size: 0.9rem;
}

/* Scrollbar Styling */
.table-wrapper {
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.table-wrapper::-webkit-scrollbar {
    height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.table-wrapper::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-secondary);
}

/* Sticky Action Column */
.data-table th:last-child,
.data-table td:last-child {
    position: sticky;
    right: 0;
    background: var(--bg-card);
    z-index: 10;
    border-left: 1px solid var(--border-color);
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
}

.data-table th:last-child {
    background: var(--bg-card-hover);
}

.data-table tbody tr:hover td:last-child {
    background: var(--bg-card-hover);
}

/* Disable sticky for forecast table to fix vertical line issue */
.forecast-table th:last-child,
.forecast-table td:last-child {
    position: static;
    border-left: none;
    box-shadow: none;
}

.forecast-table td:first-child {
    max-width: 300px;
}

.forecast-capacity-row td {
    font-weight: 600;
    color: var(--primary-light);
}

/* ========================================
   Warehouse Map
   ======================================== */
.warehouse-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.legend {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.legend-color.empty {
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
}

.legend-color.partial {
    background: var(--primary);
}

.legend-color.full {
    background: var(--warning);
}

.warehouse-map {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.warehouse-zone {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.zone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    cursor: pointer;
    user-select: none;
}

.zone-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 0 !important;
}

.zone-toggle-icon {
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
    color: var(--text-secondary);
}

.warehouse-zone.collapsed .zone-toggle-icon {
    transform: rotate(-90deg);
}

.warehouse-zone.collapsed .shelf-grid {
    display: none;
}

.shelf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 0.5rem;
}

.shelf-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.shelf-cell:hover {
    transform: scale(1.1);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.shelf-cell.empty {
    background: var(--bg-card-hover);
}

.shelf-cell.partial {
    background: var(--primary);
    border-color: var(--primary-light);
    color: white;
}

.shelf-cell.full {
    background: var(--warning);
    border-color: var(--warning-light);
    color: var(--bg-dark);
}

.shelf-details {
    margin-top: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

/* ========================================
   Forecast Section
   ======================================== */
.forecast-summary {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.forecast-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

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

.forecast-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}

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

/* Threshold Cards */
.threshold-section {
    margin-top: 2rem;
}

.threshold-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.threshold-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-fast);
}

.threshold-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.threshold-card.danger {
    border-color: var(--danger);
}

.threshold-card.danger .threshold-value,
.threshold-card.danger .threshold-status {
    color: var(--danger);
}

.threshold-card.safe {
    border-color: var(--success);
}

.threshold-card.safe .threshold-value,
.threshold-card.safe .threshold-status {
    color: var(--success);
}

.threshold-card.warning {
    border-color: var(--warning);
}

.threshold-card.warning .threshold-value,
.threshold-card.warning .threshold-status {
    color: var(--warning);
}

.threshold-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.threshold-status {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* ========================================
   Alerts Page
   ======================================== */
.alerts-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--danger);
}

.alert-item.danger {
    border-left-color: var(--danger);
}

.alert-item.warning {
    border-left-color: var(--warning);
}

.alert-item.info {
    border-left-color: var(--primary);
}

.alert-item-icon {
    font-size: 1.5rem;
}

.alert-item-content {
    flex: 1;
}

.alert-item-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.alert-item-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.alert-item-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   Settings Page
   ======================================== */
.settings-container {
    max-width: 800px;
}

.settings-group {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.settings-group h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

/* ========================================
   Toast Notification
   ======================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast-message {
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .header {
        padding: 1rem;
    }

    .page-container {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state-text {
    font-size: 1rem;
}

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--danger);
}

.modal .data-form {
    padding: 1.5rem;
}

/* Edit Button in Table */
.btn-edit {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-edit:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Highlight Missing Data */
.missing-data {
    color: var(--warning);
    font-style: italic;
}

.has-missing-data {
    background: rgba(245, 158, 11, 0.1);
}

.btn-undo {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: auto;
    padding: 0 0.5rem;
    transition: transform 0.2s;
}

.btn-undo:hover {
    transform: scale(1.1);
}

/* Financial & ABC Styles */
.kpi-sub {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-top: 4px;
    font-weight: 500;
}

.abc-section {
    margin: 20px 0;
}

.abc-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.abc-card {
    display: flex;
    flex-direction: column;
    padding: 12px;
    border-radius: 10px;
    flex: 1;
    min-width: 140px;
    text-align: center;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.abc-card:hover {
    transform: translateY(-2px);
}

.abc-a {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border-bottom: 4px solid #b91c1c;
}

.abc-b {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-bottom: 4px solid #b45309;
}

.abc-c {
    background: linear-gradient(135deg, #10b981, #059669);
    border-bottom: 4px solid #047857;
}

.abc-label {
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 5px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.abc-val {
    font-size: 0.9rem;
    opacity: 0.9;
}

.abc-money {
    font-size: 1.1rem;
    font-weight: bold;
    margin-top: 8px;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 8px;
    border-radius: 6px;
}

.badge-abc {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: bold;
    color: #fff;
    font-size: 0.8rem;
    text-align: center;
    min-width: 30px;
}

.badge-abc.abc-a {
    background-color: #ef4444;
}

.badge-abc.abc-b {
    background-color: #f59e0b;
}

.badge-abc.abc-c {
    background-color: #10b981;
}

.row-abc-a {
    background-color: rgba(239, 68, 68, 0.05) !important;
}

.row-abc-b {
    background-color: rgba(245, 158, 11, 0.05) !important;
}

/* ========================================
   v4.0 UI/UX Polishing
   ======================================== */

/* Table Hover & Polish */
.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover) !important;
}

/* Detail Table in Modal */
.detail-table td {
    border-bottom: 1px solid var(--border-color);
}

/* Search Wrapper Animation */
.search-wrapper input {
    transition: width var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-wrapper input:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    width: 320px !important;
}

/* Page Transition Animation */
.page.active {
    display: block;
    animation: pageReveal 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pageReveal {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom Select Styling */
select {
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

select:hover {
    border-color: var(--primary-light) !important;
}

/* Button Micro-interactions */
.btn {
    transition: transform 0.1s active, background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:active {
    transform: scale(0.98);
}

.row-danger {
    background-color: rgba(239, 68, 68, 0.08) !important;
}

.row-warning {
    background-color: rgba(245, 158, 11, 0.08) !important;
}

.row-info {
    background-color: rgba(59, 130, 246, 0.08) !important;
}

/* Forecast Note Icons */
.week-header-cell {
    position: relative;
    padding-right: 25px !important;
}

.note-icon {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 0.9rem;
    opacity: 0.4;
    transition: all 0.2s;
    filter: grayscale(1);
}

.note-icon:hover {
    opacity: 1;
    filter: grayscale(0);
    transform: translateY(-50%) scale(1.2);
}

.note-icon.has-note {
    opacity: 1;
    filter: grayscale(0);
}

/* Manual Section Styles */
.manual-block {
    margin-bottom: 15px;
}

.manual-block strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.manual-block p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.manual-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.manual-list li {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.manual-list li span:first-child {
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.manual-block.system-logic {
    background: rgba(16, 185, 129, 0.05);
    border-left: 3px solid var(--success);
    padding: 10px;
    border-radius: 0 4px 4px 0;
}

.manual-block.system-logic strong {
    color: var(--success);
}

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.scroll-top-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.scroll-top-btn.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

/* Global Select/Option Contrast Fix */
select {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
}

select option {
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: 10px;
}

/* Ensure data-table selects are also styled */
.filter-controls select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px !important;
}

/* Warehouse Zone Collapsible Styles */
.warehouse-zone {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.zone-header {
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.zone-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.zone-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.zone-toggle-icon {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    opacity: 0.6;
}

.warehouse-zone.collapsed .shelf-grid {
    display: none;
}

.warehouse-zone.collapsed .zone-toggle-icon {
    transform: rotate(-90deg);
}

.warehouse-zone.collapsed {
    margin-bottom: 1rem;
}

/* Force Import form to use max 3 columns to prevent overflow */
#importForm .form-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* On smaller screens, reduce to 2 columns */
@media (max-width: 900px) {
    #importForm .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* On mobile, single column */
@media (max-width: 768px) {
    #importForm .form-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Top Navigation Responsiveness
   ======================================== */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-menu {
        margin: 0 0.5rem;
    }

    .nav-item {
        padding: 0.5rem 0.6rem;
    }
}

@media (max-width: 900px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        margin: 0;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

    .top-nav.open .nav-menu {
        left: 0;
    }

    .nav-item {
        width: 100%;
        padding: 1rem;
        font-size: 1.1rem;
    }

    .current-date {
        display: none;
    }
}

/* Forecast Summary Styles (Horizontal Layout) */
.forecast-summary {
    display: grid;
    grid-template-columns: 1fr 1fr 2.5fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: stretch;
}

.forecast-stat.input-block {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.forecast-input-group {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 1.25rem;
    align-items: flex-end;
}

.forecast-input-group .form-group {
    flex: 1;
    margin: 0;
    min-width: 0;
    /* Allow shrinking */
}

.forecast-input-group label {
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.forecast-input-group input,
.forecast-input-group select {
    padding: 0.5rem;
    font-size: 0.85rem;
    height: 38px;
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 1200px) {
    .forecast-summary {
        grid-template-columns: 1fr 1fr;
    }

    .forecast-stat.input-block {
        grid-column: span 2;
    }
}

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

    .forecast-stat.input-block {
        grid-column: span 1;
    }

    .forecast-input-group {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ========================================
   Settings Page Refactor (Unified Form Layout)
   ======================================== */
/* Reusing .form-container logic similar to QA/QC */
.form-container {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

/* Ensure section titles inside form look distinct */
.form-container .section-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-top: 1.5rem;
}

.form-container .section-title:first-of-type {
    margin-top: 0;
}

/* CBM Manager Table Container Reuse */
.table-container {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* Mobile Responsiveness for Form */
@media (max-width: 768px) {

    .form-container,
    .table-container {
        padding: 1rem;
    }
}


/* Data Group spans 2 columns */
#dataSettingsGroup {
    grid-column: span 2;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .settings-container {
        grid-template-columns: repeat(2, 1fr);
    }

    #dataSettingsGroup {
        grid-column: span 1;
    }
}

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

/* Alerts Page Styles */
.alert-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    align-items: flex-start;
}

.alert-card.critical {
    border-left: 5px solid var(--danger);
    background: linear-gradient(to right, rgba(239, 68, 68, 0.05), transparent);
}

.alert-card.warning {
    border-left: 5px solid var(--warning);
    background: linear-gradient(to right, rgba(245, 158, 11, 0.05), transparent);
}

.alert-card.success {
    border-left: 5px solid var(--success);
    background: linear-gradient(to right, rgba(16, 185, 129, 0.05), transparent);
}

.alert-icon {
    font-size: 2rem;
    padding: 0.5rem;
    background: var(--bg-card-hover);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-content {
    flex: 1;
}

.alert-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.alert-content p {
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

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

/* Forecast Section - Force White Text */
.forecast-summary .forecast-label,
.forecast-summary .forecast-value,
.forecast-summary .forecast-unit,
.forecast-summary label,
.forecast-summary .form-group label {
    color: #ffffff !important;
}

.forecast-input-group label {
    color: #ffffff !important;
}

/* Version & Comparison Section */
.version-section {
    margin-bottom: 30px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.version-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.version-badge-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.version-tag {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.version-tag.lite {
    background: #e5e7eb;
    color: #4b5563;
}

.version-tag.pro {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.upgrade-btn-lite {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.upgrade-btn-lite:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

.comparison-card {
    background: var(--bg-body);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table th {
    background: var(--bg-card);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
}

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

.comparison-table .feature-name {
    width: 50%;
    color: var(--text-primary);
}

.comparison-table .val-lite,
.comparison-table .val-pro {
    text-align: center;
    width: 25%;
}

.check-icon {
    color: var(--success);
    font-weight: bold;
}

.cross-icon {
    color: var(--danger);
    font-weight: bold;
}

.comparison-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 10px;
    font-style: italic;
}

/* Comparison Table Toggle */
.btn-toggle-comparison {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-toggle-comparison:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.comparison-card {
    transition: all 0.3s ease-in-out;
    max-height: 1000px;
    /* Arbitrary large height for animation */
    overflow: hidden;
    opacity: 1;
}

.comparison-card.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border: none;
}