/**
 * Restaurant Management System - Device Mode Styles
 * CSS for iPad and Desktop mode optimizations
 */

/* Base Variables */
:root {
    --touch-target-size: 44px;
    --ipad-font-size: 16px;
    --desktop-font-size: 14px;
    --card-padding: 20px;
    --compact-padding: 12px;
}

/* iPad Mode Styles */
.mode-ipad {
    /* Touch-optimized spacing */
    --button-height: 44px;
    --base-font-size: var(--ipad-font-size);
    
    /* Hide desktop-specific elements */
    .desktop-only { 
        display: none !important; 
    }
    
    /* Touch-friendly buttons */
    .btn {
        min-height: var(--touch-target-size);
        min-width: var(--touch-target-size);
        font-size: var(--base-font-size);
        padding: 12px 20px;
    }
    
    .btn-sm {
        min-height: 38px;
        padding: 8px 16px;
        font-size: 14px;
    }
    
    /* Card-based layout */
    .card {
        border-radius: 12px;
        padding: var(--card-padding);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        margin-bottom: 16px;
    }
    
    /* Touch-optimized form controls */
    .form-control,
    .form-select {
        min-height: var(--touch-target-size);
        font-size: var(--base-font-size);
        padding: 12px 16px;
    }
    
    /* Larger table cells for touch */
    .table td,
    .table th {
        padding: 16px 12px;
        font-size: var(--base-font-size);
    }
    
    /* Touch-friendly modals */
    .modal-dialog {
        margin: 20px;
        max-width: calc(100vw - 40px);
    }
    
    .modal-header,
    .modal-footer {
        padding: 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    /* iPad-specific inventory layout */
    .ipad-inventory-layout {
        padding: 20px;
    }
    
    .ipad-inventory-layout .card {
        margin-bottom: 20px;
    }
    
    /* Touch-optimized stats cards */
    .ipad-inventory-layout .stats-card {
        padding: 24px;
        text-align: center;
        border-radius: 16px;
    }
    
    .ipad-inventory-layout .stats-card .stat-number {
        font-size: 2.5rem;
        font-weight: bold;
        margin-bottom: 8px;
    }
    
    .ipad-inventory-layout .stats-card .stat-label {
        font-size: 1.1rem;
        opacity: 0.8;
    }
    
    /* Touch-friendly inventory grid */
    .ipad-inventory-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
        padding: 20px 0;
    }
    
    .ipad-inventory-item {
        background: white;
        border-radius: 16px;
        padding: 20px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        border: 2px solid transparent;
        transition: all 0.2s ease;
    }
    
    .ipad-inventory-item:hover {
        border-color: var(--bs-primary);
        transform: translateY(-2px);
    }
    
    .ipad-inventory-item.low-stock {
        border-color: var(--bs-danger);
        background: linear-gradient(135deg, #fff 0%, #fff5f5 100%);
    }
    
    .ipad-inventory-item .item-header {
        display: flex;
        justify-content: between;
        align-items: flex-start;
        margin-bottom: 16px;
    }
    
    .ipad-inventory-item .item-name {
        font-size: 1.25rem;
        font-weight: bold;
        margin-bottom: 4px;
    }
    
    .ipad-inventory-item .item-unit {
        color: var(--bs-gray-600);
        font-size: 0.9rem;
    }
    
    .ipad-inventory-item .stock-info {
        display: flex;
        justify-content: space-between;
        margin: 16px 0;
    }
    
    .ipad-inventory-item .stock-current {
        font-size: 1.5rem;
        font-weight: bold;
    }
    
    .ipad-inventory-item .stock-threshold {
        color: var(--bs-gray-600);
        font-size: 0.9rem;
    }
    
    .ipad-inventory-item .item-actions {
        display: flex;
        gap: 8px;
        margin-top: 16px;
    }
    
    .ipad-inventory-item .item-actions .btn {
        flex: 1;
        min-height: 40px;
    }
    
    /* Touch-friendly alerts */
    .ipad-alert-panel {
        background: white;
        border-radius: 16px;
        padding: 20px;
        margin-bottom: 20px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .ipad-alert-item {
        display: flex;
        align-items: center;
        padding: 16px;
        border-radius: 12px;
        margin-bottom: 12px;
        background: var(--bs-light);
    }
    
    .ipad-alert-item.alert-danger {
        background: linear-gradient(135deg, #fff5f5 0%, #ffe6e6 100%);
        border-left: 4px solid var(--bs-danger);
    }
    
    .ipad-alert-item.alert-warning {
        background: linear-gradient(135deg, #fffbf0 0%, #fff3cd 100%);
        border-left: 4px solid var(--bs-warning);
    }
    
    /* Bottom navigation for iPad */
    .ipad-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--bs-border-color);
        padding: 12px 20px;
        display: flex;
        justify-content: space-around;
        z-index: 1050;
    }
    
    .ipad-bottom-nav .nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 8px 12px;
        border-radius: 12px;
        text-decoration: none;
        color: var(--bs-gray-600);
        transition: all 0.2s ease;
    }
    
    .ipad-bottom-nav .nav-item.active {
        background: var(--bs-primary);
        color: white;
    }
    
    .ipad-bottom-nav .nav-item i {
        font-size: 1.5rem;
        margin-bottom: 4px;
    }
    
    .ipad-bottom-nav .nav-item span {
        font-size: 0.75rem;
        font-weight: 500;
    }
}

/* Desktop Mode Styles */
.mode-desktop {
    /* Hide iPad-specific elements */
    .ipad-only { 
        display: none !important; 
    }
    
    /* Traditional button styling */
    .btn {
    }
    
    .btn-sm {
    }
    
    /* Compact form controls */
    .form-control,
    .form-select {
    }
    
    /* Compact table styling */
    .table td,
    .table th {
    }
    
    /* Sidebar layout */
    .layout-with-sidebar {
    }
    
    .layout-with-sidebar .sidebar {
    }
    
    .layout-with-sidebar .main-content {
    }
    
    /* Desktop inventory layout */
    .desktop-inventory-layout {
    }
    
    /* Compact stats cards */
    .desktop-inventory-layout .stats-row {
    }
    
    /* Dense data tables */
    .desktop-inventory-layout .table-responsive {
    }
    
    .desktop-inventory-layout .table {
    }
    
    .desktop-inventory-layout .table thead th {
    }

    /* Compact modals */
    .modal-dialog {
    }
    
    .modal-header,
    .modal-footer {
    }
    
    .modal-body {
    }
    
    /* Desktop-specific filters */
    .desktop-filters {
    }
    
    .desktop-filters .form-control,
    .desktop-filters .form-select {
    }
    
    /* Hover effects for desktop */
    .desktop-inventory-layout .table tbody tr:hover {
    }
    
    .desktop-inventory-layout .btn:hover {
    }
}

/* Common Responsive Utilities */
@media (max-width: 768px) {
    .mode-desktop .desktop-filters {
    }
    
    .mode-desktop .desktop-filters .form-control,
    .mode-desktop .desktop-filters .form-select {
    }
}

/* Print Styles */
@media print {
    .mode-ipad .ipad-bottom-nav,
    .mode-desktop .sidebar,
    .btn,
    .modal,
    .modal-backdrop {
        display: none !important;
    }
    
    .table {
        font-size: 12px;
    }
    
    .card {
        border: 1px solid #ddd;
        box-shadow: none;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--bs-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-indicator.status-good {
    background-color: var(--bs-success);
}

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

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

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for keyboard navigation */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--bs-border-color);
    }
    
    .btn {
        border-width: 2px;
    }
    
    .table td,
    .table th {
        border-width: 2px;
    }
}

/* Payment Processing Styles */

/* iPad Payment Interface */
.mode-ipad .payment-interface {
    padding: 20px;
}

.mode-ipad .payment-interface .card {
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

/* Touch-optimized order cards */
.mode-ipad .order-card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    cursor: pointer;
}

.mode-ipad .order-card:hover {
    border-color: var(--bs-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.mode-ipad .order-card.selected {
    border-color: var(--bs-primary);
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
}

/* Payment method grid for iPad */
.mode-ipad .payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.mode-ipad .payment-method-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    border: 2px solid var(--bs-border-color);
    border-radius: 16px;
    background: white;
    color: var(--bs-gray-700);
    text-decoration: none;
    transition: all 0.2s ease;
    min-height: 120px;
    font-weight: 500;
}

.mode-ipad .payment-method-btn:hover {
    border-color: var(--bs-primary);
    color: var(--bs-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.mode-ipad .payment-method-btn.active {
    border-color: var(--bs-primary);
    background: var(--bs-primary);
    color: white;
}

.mode-ipad .payment-method-btn i {
    margin-bottom: 12px;
    opacity: 0.8;
}

.mode-ipad .payment-method-btn.active i {
    opacity: 1;
}

/* Touch-friendly split payment items */
.mode-ipad .split-payment-item {
    background: var(--bs-light);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    border: 2px solid transparent;
}

.mode-ipad .split-payment-item:focus-within {
    border-color: var(--bs-primary);
}

/* Large touch buttons */
.mode-ipad .touch-btn-large {
    min-height: 60px;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: 16px;
    padding: 16px 24px;
}

/* Desktop Payment Interface */
.mode-desktop .payment-interface {
    padding: 0;
}

/* Compact order selection */
.mode-desktop .order-item {
    transition: all 0.2s ease;
}

.mode-desktop .order-item:hover {
    background-color: var(--bs-gray-50) !important;
    transform: translateX(4px);
}

/* Payment method selection for desktop */
.mode-desktop .payment-methods-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.mode-desktop .payment-method-btn {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    background: white;
    color: var(--bs-gray-700);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    min-width: 140px;
}

.mode-desktop .payment-method-btn:hover {
    border-color: var(--bs-primary);
    color: var(--bs-primary);
    background: var(--bs-light);
}

.mode-desktop .payment-method-btn.active {
}

.mode-desktop .payment-method-btn i {
}

/* Compact split payment items */
.mode-desktop .split-payment-item {
}

.mode-desktop .split-payment-item:focus-within {
}

/* Payment history styles */
.payment-history {
    max-height: 300px;
    overflow-y: auto;
}

.payment-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--bs-border-color);
    transition: background-color 0.2s ease;
}

.payment-item:hover {
    background-color: var(--bs-gray-50);
    margin: 0 -12px;
    padding-left: 12px;
    padding-right: 12px;
    border-radius: 6px;
}

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

/* Order payment status indicators */
.order-payment-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.order-payment-status.status-unpaid {
    background: var(--bs-danger);
    color: white;
}

.order-payment-status.status-partial {
    background: var(--bs-warning);
    color: white;
}

.order-payment-status.status-paid {
    background: var(--bs-success);
    color: white;
}

/* Change calculation display */
.change-display {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
    border: 2px solid var(--bs-success);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    margin: 16px 0;
}

.change-display.insufficient {
    background: linear-gradient(135deg, #ffe8e8 0%, #fff0f0 100%);
    border-color: var(--bs-danger);
}

.change-amount {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 4px;
}

.change-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Receipt modal styles */
.receipt-modal .modal-content {
    border-radius: 16px;
    border: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.receipt-modal .modal-header {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    color: white;
    border-radius: 16px 16px 0 0;
}

.receipt-modal .modal-body {
    padding: 30px;
}

/* Payment success animation */
.payment-success-icon {
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Loading states for payment processing */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Split payment validation indicators */
.split-total-indicator {
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    margin-top: 16px;
}

.split-total-indicator.valid {
    background: var(--bs-success);
    color: white;
}

.split-total-indicator.invalid {
    background: var(--bs-warning);
    color: white;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .mode-desktop .payment-methods-grid {
    }
    
    .mode-desktop .payment-method-btn {
    }
}

/* Accessibility improvements for payment interface */
.payment-method-btn:focus {
    outline: 3px solid var(--bs-primary);
    outline-offset: 2px;
}

.order-card:focus {
    outline: 3px solid var(--bs-primary);
    outline-offset: 2px;
}

/* High contrast mode for payment interface */
@media (prefers-contrast: high) {
    .payment-method-btn {
        border-width: 2px;
    }
    
    .order-card {
        border-width: 2px;
    }
    
    .split-payment-item {
        border-width: 2px;
    }
}

/* Print styles for receipts */
@media print {
    .payment-interface,
    .modal-header,
    .modal-footer,
    .btn {
        display: none !important;
    }
    
    .receipt-content {
        display: block !important;
        font-family: 'Courier New', monospace;
        font-size: 12px;
        line-height: 1.4;
    }
    
    .receipt-content .receipt-header {
        text-align: center;
        margin-bottom: 20px;
        border-bottom: 2px solid #000;
        padding-bottom: 10px;
    }
    
    .receipt-content .receipt-item {
        display: flex;
        justify-content: space-between;
        margin-bottom: 5px;
    }
    
    .receipt-content .receipt-total {
        border-top: 2px solid #000;
        padding-top: 10px;
        margin-top: 10px;
        font-weight: bold;
    }
}

/* Analytics Dashboard Styles */
.analytics-dashboard {
    min-height: 100vh;
}

.analytics-dashboard .card {
    box-shadow: 0 0 20px 0 rgba(76, 87, 125, 0.2);
    border: 0;
}

.analytics-dashboard .card-header {
    border-bottom: 1px solid #E4E6EF;
}

/* Chart containers */
.analytics-dashboard .chart-container {
    position: relative;
    height: 350px;
}

/* Summary cards responsive design */
.analytics-dashboard .summary-card {
    transition: transform 0.2s ease-in-out;
}

.analytics-dashboard .summary-card:hover {
    transform: translateY(-2px);
}

/* Data tables styling */
.analytics-dashboard .table th {
    border-top: 0;
    font-weight: 600;
    color: #5E6278;
    font-size: 0.825rem;
}

.analytics-dashboard .table td {
    vertical-align: middle;
    font-size: 0.875rem;
}

/* Export buttons */
.analytics-dashboard .export-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* iPad Mode Specific Styles */
.mode-ipad .analytics-dashboard {
    padding: 1rem;
}

.mode-ipad .analytics-dashboard .card {
    margin-bottom: 1.5rem;
    border-radius: 12px;
}

.mode-ipad .analytics-dashboard .card-header {
    padding: 1.5rem;
}

.mode-ipad .analytics-dashboard .card-body {
    padding: 1.5rem;
}

/* Larger touch targets for iPad */
.mode-ipad .analytics-dashboard .btn {
    min-height: 44px;
    font-size: 16px;
    padding: 12px 20px;
}

.mode-ipad .analytics-dashboard .form-control,
.mode-ipad .analytics-dashboard .form-select {
    min-height: 44px;
    font-size: 16px;
    padding: 12px 16px;
}

/* iPad chart sizing */
.mode-ipad .analytics-dashboard .chart-container {
    height: 300px;
}

/* iPad table styling */
.mode-ipad .analytics-dashboard .table {
    font-size: 16px;
}

.mode-ipad .analytics-dashboard .table th,
.mode-ipad .analytics-dashboard .table td {
    padding: 1rem 0.75rem;
}

/* Summary cards for iPad */
.mode-ipad .analytics-dashboard .summary-card {
    min-height: 120px;
    margin-bottom: 1rem;
}

.mode-ipad .analytics-dashboard .summary-card .fs-2hx {
    font-size: 2.5rem !important;
}

/* Desktop Mode Specific Styles */
.mode-desktop .analytics-dashboard {
}

.mode-desktop .analytics-dashboard .card {
}

.mode-desktop .analytics-dashboard .card-header {
}

.mode-desktop .analytics-dashboard .card-body {
}

/* Compact desktop styling */
.mode-desktop .analytics-dashboard .btn {
}

.mode-desktop .analytics-dashboard .form-control,
.mode-desktop .analytics-dashboard .form-select {
}

/* Desktop chart sizing */
.mode-desktop .analytics-dashboard .chart-container {
}

/* Desktop table styling */
.mode-desktop .analytics-dashboard .table {
}

.mode-desktop .analytics-dashboard .table th,
.mode-desktop .analytics-dashboard .table td {
}

/* Summary cards for desktop */
.mode-desktop .analytics-dashboard .summary-card {
}

/* Loading states */
.analytics-dashboard .loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Chart loading states */
.analytics-dashboard .chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: #A1A5B7;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .analytics-dashboard .row.g-5 {
        --bs-gutter-x: 1rem;
        --bs-gutter-y: 1rem;
    }
    
    .analytics-dashboard .col-xl-3,
    .analytics-dashboard .col-xl-6,
    .analytics-dashboard .col-xl-8,
    .analytics-dashboard .col-xl-4 {
        margin-bottom: 1rem;
    }
    
    .analytics-dashboard .table-responsive {
        font-size: 12px;
    }
    
    .analytics-dashboard .card-title .card-label {
        font-size: 1.25rem !important;
    }
}

/* Print styles for analytics reports */
@media print {
    .analytics-dashboard .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
    
    .analytics-dashboard .btn,
    .analytics-dashboard .card-toolbar {
        display: none !important;
    }
    
    .analytics-dashboard .chart-container {
        height: 250px;
    }
    
    .analytics-dashboard .table {
        font-size: 10px;
    }
    
    .analytics-dashboard .card-header {
        background: #f8f9fa;
        border-bottom: 2px solid #000;
    }
}