/* Enhanced Mobile Responsiveness for OQ-QR System */

/* CSS Custom Properties for consistent theming */
:root {
    --mobile-padding: 15px;
    --mobile-border-radius: 8px;
    --mobile-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --mobile-transition: all 0.3s ease;
    --mobile-touch-target: 44px;
    --mobile-font-size-base: 16px;
    --mobile-font-size-small: 14px;
    --mobile-font-size-large: 18px;
}

/* Mobile-First Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-size: var(--mobile-font-size-base);
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch-friendly improvements */
button, .btn, .nav-link, .form-check-input, .form-check-label {
    min-height: var(--mobile-touch-target);
    min-width: var(--mobile-touch-target);
}

.btn-sm {
    min-height: 36px;
    min-width: 36px;
}

/* Form improvements for mobile */
.form-control, .form-select {
    font-size: var(--mobile-font-size-base); /* Prevents zoom on iOS */
    height: auto;
    min-height: 44px;
    padding: 12px 16px;
    border-radius: var(--mobile-border-radius);
}

.form-label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

/* Enhanced Mobile Breakpoints */
@media (max-width: 1200px) {
    .container-fluid {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .row {
        margin-left: -10px;
        margin-right: -10px;
    }
    
    .col, .col-md-6, .col-lg-4, .col-xl-3 {
        padding-left: 10px;
        padding-right: 10px;
    }
}

@media (max-width: 768px) {
    /* Container adjustments */
    .container, .container-fluid {
        padding-left: var(--mobile-padding);
        padding-right: var(--mobile-padding);
        max-width: 100%;
    }
    
    /* Typography adjustments */
    h1 { 
        font-family: var(--font-secondary);
        font-size: 1.75rem;
        font-weight: var(--font-bold);
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    h2 { 
        font-family: var(--font-secondary);
        font-size: 1.5rem;
        font-weight: var(--font-semibold);
        line-height: 1.3;
        margin-bottom: 0.875rem;
    }
    h3 { 
        font-family: var(--font-secondary);
        font-size: 1.25rem;
        font-weight: var(--font-semibold);
        line-height: 1.4;
        margin-bottom: 0.75rem;
    }
    h4 { 
        font-family: var(--font-secondary);
        font-size: 1.125rem;
        font-weight: var(--font-medium);
        line-height: 1.4;
        margin-bottom: 0.625rem;
    }
    h5 { 
        font-family: var(--font-primary);
        font-size: 1rem;
        font-weight: var(--font-medium);
        line-height: 1.5;
        margin-bottom: 0.5rem;
    }
    h6 { 
        font-family: var(--font-primary);
        font-size: 0.875rem;
        font-weight: var(--font-medium);
        line-height: 1.5;
        margin-bottom: 0.375rem;
    }
    
    /* Card improvements */
    .card {
        margin-bottom: 1rem;
        border-radius: var(--mobile-border-radius);
        box-shadow: var(--mobile-shadow);
        border: 1px solid #e9ecef;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .card-header {
        padding: 1rem 1.25rem;
        background-color: #f8f9fa;
        border-bottom: 1px solid #e9ecef;
        border-radius: var(--mobile-border-radius) var(--mobile-border-radius) 0 0;
    }
    
    /* Button improvements */
    .btn {
        font-size: 0.9rem;
        padding: 12px 20px;
        border-radius: var(--mobile-border-radius);
        font-weight: 500;
        transition: var(--mobile-transition);
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    
    .btn-sm {
        font-size: 0.8rem;
        padding: 8px 16px;
        min-height: 36px;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 16px 24px;
        min-height: 52px;
    }
    
    /* Form improvements */
    .form-control, .form-select {
        font-size: var(--mobile-font-size-base);
        border-radius: var(--mobile-border-radius);
        border: 2px solid #e9ecef;
        transition: var(--mobile-transition);
    }
    
    .form-control:focus, .form-select:focus {
        border-color: #007bff;
        box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    }
    
    .input-group-text {
        font-size: 0.9rem;
        border-radius: var(--mobile-border-radius);
    }
    
    /* Table improvements */
    .table-responsive {
        font-size: 0.85rem;
        border-radius: var(--mobile-border-radius);
        overflow: hidden;
        box-shadow: var(--mobile-shadow);
    }
    
    .table th, .table td {
        padding: 12px 8px;
        vertical-align: middle;
        border-bottom: 1px solid #e9ecef;
    }
    
    .table th {
        background-color: #f8f9fa;
        font-weight: 600;
        color: #495057;
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    /* Alert improvements */
    .alert {
        font-size: 0.9rem;
        padding: 1rem;
        border-radius: var(--mobile-border-radius);
        border: none;
        box-shadow: var(--mobile-shadow);
    }
    
    /* Badge improvements */
    .badge {
        font-size: 0.75rem;
        padding: 6px 10px;
        border-radius: 12px;
    }
    
    /* Modal improvements */
    .modal-dialog {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .modal-content {
        border-radius: var(--mobile-border-radius);
        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    }
    
    .modal-header {
        padding: 1rem 1.25rem;
        border-bottom: 1px solid #e9ecef;
    }
    
    .modal-body {
        padding: 1.25rem;
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: 1rem 1.25rem;
        border-top: 1px solid #e9ecef;
        gap: 10px;
    }
    
    .modal-footer .btn {
        flex: 1;
        min-width: 0;
    }
    
    /* Navigation improvements */
    .navbar-brand {
        font-size: 1.25rem;
        font-weight: 700;
    }
    
    .navbar-text {
        font-size: 0.875rem;
    }
    
    /* Progress improvements */
    .progress {
        height: 8px;
        border-radius: 4px;
    }
    
    /* List group improvements */
    .list-group-item {
        padding: 1rem;
        border-radius: var(--mobile-border-radius);
        margin-bottom: 8px;
    }
    
    /* Dropdown improvements */
    .dropdown-menu {
        border-radius: var(--mobile-border-radius);
        box-shadow: var(--mobile-shadow);
        border: 1px solid #e9ecef;
        min-width: 200px;
    }
    
    .dropdown-item {
        padding: 12px 16px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* Tooltip improvements */
    .tooltip {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    /* Extra small devices */
    .container, .container-fluid {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    h1 { 
        font-size: 1.5rem;
        margin-bottom: 0.875rem;
    }
    h2 { 
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }
    h3 { 
        font-size: 1.125rem;
        margin-bottom: 0.625rem;
    }
    h4 { 
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    h5 { 
        font-size: 0.875rem;
        margin-bottom: 0.375rem;
    }
    h6 { 
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .card-header {
        padding: 0.875rem 1rem;
    }
    
    .btn {
        font-size: 0.85rem;
        padding: 10px 16px;
        min-height: 40px;
    }
    
    .btn-sm {
        font-size: 0.75rem;
        padding: 6px 12px;
        min-height: 32px;
    }
    
    .table-responsive {
        font-size: 0.8rem;
    }
    
    .table th, .table td {
        padding: 8px 6px;
    }
    
    .form-label {
        font-size: 0.875rem;
        margin-bottom: 6px;
    }
    
    .form-text {
        font-size: 0.75rem;
        margin-top: 4px;
    }
    
    .alert {
        font-size: 0.85rem;
        padding: 0.875rem;
    }
    
    .badge {
        font-size: 0.7rem;
        padding: 4px 8px;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-header {
        padding: 0.875rem 1rem;
    }
    
    .modal-footer {
        padding: 0.875rem 1rem;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .navbar-text {
        font-size: 0.8rem;
    }
    
    .progress {
        height: 6px;
    }
    
    .list-group-item {
        padding: 0.875rem;
    }
    
    .dropdown-menu {
        min-width: 180px;
    }
    
    .dropdown-item {
        padding: 10px 12px;
        min-height: 40px;
    }
    
    .tooltip {
        font-size: 0.75rem;
    }
}

/* Dashboard specific mobile styles */
@media (max-width: 768px) {
    .dashboard-stats .col-md-4 {
        margin-bottom: 1rem;
    }
    
    .quick-actions .col-md-3 {
        margin-bottom: 1rem;
    }
    
    .recent-activity .col-md-6 {
        margin-bottom: 1rem;
    }
    
    .user-limits .col-md-6 {
        margin-bottom: 1rem;
    }
    
    /* Dashboard cards */
    .stat-card {
        padding: 1rem;
        margin-bottom: 1rem;
        border-radius: var(--mobile-border-radius);
        box-shadow: var(--mobile-shadow);
        background: white;
    }
    
    .stat-card .stat-icon {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }
    
    .stat-card .stat-number {
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 0.25rem;
    }
    
    .stat-card .stat-label {
        font-size: 0.875rem;
        color: #6c757d;
        margin-bottom: 0;
    }
}

/* QR Code specific mobile styles */
@media (max-width: 768px) {
    .qr-table-responsive {
        margin-bottom: 1rem;
    }
    
    .qr-table-responsive table {
        font-size: 0.8rem;
    }
    
    .qr-actions {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: 0.5rem;
    }
    
    .qr-actions .btn {
        width: 100%;
        justify-content: center;
        margin-bottom: 4px;
    }
    
    .qr-filters {
        margin-bottom: 1rem;
    }
    
    .qr-filters .form-check {
        margin-bottom: 0.5rem;
    }
    
    /* QR Generation form */
    .qr-generation-form {
        background: white;
        padding: 1.25rem;
        border-radius: var(--mobile-border-radius);
        box-shadow: var(--mobile-shadow);
        margin-bottom: 1rem;
    }
    
    .qr-generation-form .form-group {
        margin-bottom: 1rem;
    }
    
    .qr-generation-form .btn {
        width: 100%;
        margin-top: 1rem;
    }
}

/* Payment/Plan specific mobile styles */
@media (max-width: 768px) {
    .plan-card {
        margin-bottom: 1rem;
        padding: 1.25rem;
    }
    
    .plan-card.featured {
        border: 2px solid #007bff;
    }
    
    .plan-price {
        font-size: 1.5rem;
        font-weight: 700;
    }
    
    .payment-gateway-selector {
        margin-bottom: 1rem;
    }
    
    .gateway-option {
        padding: 1rem;
        border: 2px solid #e9ecef;
        border-radius: var(--mobile-border-radius);
        margin-bottom: 0.5rem;
        cursor: pointer;
        transition: var(--mobile-transition);
    }
    
    .gateway-option:hover {
        border-color: #007bff;
        background-color: #f8f9fa;
    }
    
    .gateway-logo {
        width: 60px;
        height: 40px;
        object-fit: contain;
        margin-right: 1rem;
    }
}

/* Digital Cards specific mobile styles */
@media (max-width: 768px) {
    .digital-card-grid .col-md-6,
    .digital-card-grid .col-lg-4 {
        margin-bottom: 1rem;
    }
    
    .digital-card-actions {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: 0.75rem;
    }
    
    .digital-card-actions .btn {
        width: 100%;
        justify-content: center;
        margin-bottom: 4px;
    }
    
    .digital-card {
        padding: 1rem;
        border-radius: var(--mobile-border-radius);
        box-shadow: var(--mobile-shadow);
        background: white;
        margin-bottom: 1rem;
    }
    
    .digital-card .card-header {
        padding: 0.75rem 1rem;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: var(--mobile-border-radius) var(--mobile-border-radius) 0 0;
    }
    
    .digital-card .card-body {
        padding: 1rem;
    }
}

/* Form specific mobile styles */
@media (max-width: 768px) {
    .form-group {
        margin-bottom: 1.25rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-group > * {
        margin-bottom: 0.5rem;
        width: 100%;
    }
    
    .input-group > *:last-child {
        margin-bottom: 0;
    }
    
    .invalid-feedback {
        font-size: 0.8rem;
        margin-top: 4px;
    }
    
    .valid-feedback {
        font-size: 0.8rem;
        margin-top: 4px;
    }
    
    /* Password field improvements */
    .password-field {
        position: relative;
    }
    
    .password-toggle {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: #6c757d;
        cursor: pointer;
        padding: 4px;
        z-index: 10;
    }
    
    .password-toggle:hover {
        color: #495057;
    }
}

/* Login specific mobile styles */
@media (max-width: 768px) {
    .login-card {
        margin: 1rem;
        border-radius: var(--mobile-border-radius);
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    
    .login-card .card-body {
        padding: 2rem 1.5rem;
    }
    
    .login-logo-img {
        width: 80px;
        height: 80px;
        margin: 0 auto 1.5rem;
        display: block;
    }
    
    .login-form .btn {
        width: 100%;
        margin-top: 1rem;
        padding: 12px 24px;
        font-size: 1rem;
        font-weight: 600;
    }
}

/* Sidebar mobile styles */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 1050;
        transition: var(--mobile-transition);
        background: white;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 1040;
        opacity: 0;
        visibility: hidden;
        transition: var(--mobile-transition);
    }
    
    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
        padding-top: 60px;
    }
    
    .top-navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1030;
        background: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .navbar-toggler {
        border: none;
        padding: 8px 12px;
        background: none;
        color: #333;
        font-size: 1.25rem;
    }
    
    .navbar-toggler:focus {
        outline: none;
        box-shadow: none;
    }
    
    .navbar-brand {
        font-size: 1.125rem;
        font-weight: 700;
    }
    
    .navbar-text {
        font-size: 0.8rem;
        color: #6c757d;
    }
}

/* Table mobile improvements */
@media (max-width: 768px) {
    .table-responsive {
        border-radius: var(--mobile-border-radius);
        overflow: hidden;
    }
    
    .table-stack-mobile {
        display: block;
    }
    
    .table-stack-mobile thead {
        display: none;
    }
    
    .table-stack-mobile tbody,
    .table-stack-mobile tr,
    .table-stack-mobile td {
        display: block;
    }
    
    .table-stack-mobile tr {
        margin-bottom: 1rem;
        border: 1px solid #e9ecef;
        border-radius: var(--mobile-border-radius);
        background: white;
        box-shadow: var(--mobile-shadow);
    }
    
    .table-stack-mobile td {
        padding: 12px 16px;
        border: none;
        border-bottom: 1px solid #f8f9fa;
        position: relative;
    }
    
    .table-stack-mobile td:before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: #495057;
        display: inline-block;
        width: 40%;
        margin-right: 8px;
    }
    
    .table-stack-mobile td:first-child {
        background-color: #f8f9fa;
        font-weight: 600;
        border-radius: var(--mobile-border-radius) var(--mobile-border-radius) 0 0;
    }
    
    .table-stack-mobile td:last-child {
        border-bottom: none;
        border-radius: 0 0 var(--mobile-border-radius) var(--mobile-border-radius);
    }
}

/* Button group mobile improvements */
@media (max-width: 768px) {
    .btn-group {
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        border-radius: var(--mobile-border-radius) !important;
        margin-bottom: 4px;
    }
    
    .btn-group .btn:first-child {
        border-radius: var(--mobile-border-radius) var(--mobile-border-radius) 0 0 !important;
    }
    
    .btn-group .btn:last-child {
        border-radius: 0 0 var(--mobile-border-radius) var(--mobile-border-radius) !important;
        margin-bottom: 0;
    }
}

/* Modal mobile improvements */
@media (max-width: 768px) {
    .modal-dialog {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .modal-content {
        border-radius: var(--mobile-border-radius);
        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    }
    
    .modal-header {
        padding: 1rem 1.25rem;
        border-bottom: 1px solid #e9ecef;
    }
    
    .modal-body {
        padding: 1.25rem;
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: 1rem 1.25rem;
        border-top: 1px solid #e9ecef;
        gap: 10px;
    }
    
    .modal-footer .btn {
        flex: 1;
        min-width: 0;
    }
}

/* Utility classes for mobile */
@media (max-width: 768px) {
    .d-mobile-none {
        display: none !important;
    }
    
    .d-mobile-block {
        display: block !important;
    }
    
    .d-mobile-flex {
        display: flex !important;
    }
    
    .text-mobile-center {
        text-align: center !important;
    }
    
    .text-mobile-left {
        text-align: left !important;
    }
    
    .text-mobile-right {
        text-align: right !important;
    }
    
    .w-mobile-100 {
        width: 100% !important;
    }
    
    .h-mobile-auto {
        height: auto !important;
    }
    
    .p-mobile-0 {
        padding: 0 !important;
    }
    
    .m-mobile-0 {
        margin: 0 !important;
    }
    
    .mb-mobile-1 {
        margin-bottom: 0.25rem !important;
    }
    
    .mb-mobile-2 {
        margin-bottom: 0.5rem !important;
    }
    
    .mb-mobile-3 {
        margin-bottom: 1rem !important;
    }
}

/* Enhanced touch interactions */
@media (max-width: 768px) {
    .btn, .nav-link, .form-check-input, .form-check-label {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .btn-sm {
        touch-action: manipulation;
    }
    
    .table-responsive, .modal-body, .sidebar {
        -webkit-overflow-scrolling: touch;
    }
    
    .btn, .nav-link {
        transition: var(--mobile-transition);
    }
    
    .btn:focus, .nav-link:focus, .form-control:focus {
        outline: none;
        box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
    }
}

/* Print styles */
@media print {
    .sidebar, .top-navbar, .btn, .modal {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    .table {
        border-collapse: collapse !important;
    }
    
    .table th, .table td {
        border: 1px solid #000 !important;
        padding: 8px !important;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .btn, .form-control, .card {
        border-width: 0.5px;
    }
}

/* Landscape orientation adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-body {
        max-height: 60vh;
    }
    
    .sidebar {
        width: 250px;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --mobile-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }
}

/* Focus visible for better accessibility */
.btn:focus-visible,
.form-control:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Loading states */
.btn.loading {
    position: relative;
    color: transparent;
}

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

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