/* ===================================
   Mobile Responsive Styles
   =================================== */

/* Mobile First - Base styles for mobile */
* {
    box-sizing: border-box;
}

/* Container adjustments */
.container-fluid {
    padding-left: 10px;
    padding-right: 10px;
}

/* ===================================
   Typography & Spacing
   =================================== */

/* Smaller headings on mobile */
@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    h4 {
        font-size: 1.1rem;
    }

    h5 {
        font-size: 1rem;
    }

    /* Reduce margins */
    .mt-4, .my-4 {
        margin-top: 1rem !important;
    }

    .mb-3, .my-3 {
        margin-bottom: 0.75rem !important;
    }

    .pt-4, .py-4 {
        padding-top: 1rem !important;
    }

    .pb-3, .py-3 {
        padding-bottom: 0.75rem !important;
    }
}

/* ===================================
   Cards & Statistics
   =================================== */

@media (max-width: 768px) {
    /* Stack cards vertically */
    .card {
        margin-bottom: 1rem;
    }

    /* Statistics cards */
    .card.text-center {
        padding: 0.5rem;
    }

    .card.text-center h3 {
        font-size: 1.5rem;
    }

    .card.text-center p {
        font-size: 0.875rem;
    }

    /* Card body padding */
    .card-body {
        padding: 1rem;
    }

    .card-header {
        padding: 0.75rem 1rem;
    }
}

/* ===================================
   Tables - DataTables
   =================================== */

@media (max-width: 768px) {
    /* Enable horizontal scroll for tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Smaller table text */
    table {
        font-size: 0.875rem;
    }

    table th,
    table td {
        padding: 0.5rem;
        white-space: nowrap;
    }

    /* DataTables controls */
    .dataTables_wrapper .dataTables_length,
    .dataTables_wrapper .dataTables_filter {
        margin-bottom: 0.75rem;
    }

    .dataTables_wrapper .dataTables_filter input {
        width: 100% !important;
        margin-left: 0 !important;
        margin-top: 0.5rem;
    }

    .dataTables_wrapper .dataTables_length select {
        width: auto;
    }

    /* Pagination */
    .dataTables_wrapper .dataTables_paginate {
        margin-top: 1rem;
    }

    .dataTables_wrapper .dataTables_paginate .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Hide some columns on mobile - use DataTables responsive */
    table.dataTable.dtr-inline.collapsed > tbody > tr > td.dtr-control:before,
    table.dataTable.dtr-inline.collapsed > tbody > tr > th.dtr-control:before {
        margin-right: 0.5rem;
    }
}

/* ===================================
   Buttons
   =================================== */

@media (max-width: 768px) {
    /* Stack buttons vertically */
    .btn:not(.btn-sm):not(.btn-link) {
        margin-bottom: 0.5rem;
        width: 100%;
    }

    .btn-group, .d-flex.gap-2 {
        border-radius: 0.25rem !important;
        margin-bottom: 0.5rem;
    }

    /* Smaller button text */
    .btn-sm {
        font-size: 0.8rem;
        padding: 0.35rem 0.75rem;
    }

    /* Button containers */
    .text-center .btn,
    .text-end .btn,
    .text-end .btn {
        width: auto;
        min-width: 120px;
    }
}

/* ===================================
   Forms
   =================================== */

@media (max-width: 768px) {
    /* Stack form groups */
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }

    .form-inline .form-group,
    .form-inline .form-control,
    .form-inline .btn {
        width: 100%;
        margin-bottom: 0.75rem;
    }

    .form-inline label {
        margin-bottom: 0.25rem;
    }
    
    /* Fix for filter forms */
    .card .form-control,
    .card .form-select {
        width: 100%;
    }
    .card .d-flex.gap-2 {
        flex-direction: column;
        width: 100%;
    }

    /* Form controls */
    .form-control,
    .form-select,
    select.form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    /* Input groups */
    .input-group {
        flex-wrap: wrap;
    }
}

/* ===================================
   Modals
   =================================== */

@media (max-width: 768px) {
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }

    .modal-lg {
        max-width: calc(100% - 1rem);
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-header {
        padding: 0.75rem 1rem;
    }

    .modal-footer {
        padding: 0.75rem;
        flex-wrap: wrap;
    }

    .modal-footer .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* ===================================
   Navigation Menu
   =================================== */

@media (max-width: 992px) {
    /* Navbar toggler - ensure visibility */
    .navbar-toggler {
        display: block !important;
        border: 1px solid rgba(255, 255, 255, 0.5) !important;
        padding: 0.5rem 0.75rem;
        background-color: transparent;
        z-index: 1001;
    }

    .navbar-toggler:focus {
        outline: none;
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }

    .navbar-toggler i {
        color: white;
        font-size: 1.25rem;
    }

    /* Navbar brand adjustments */
    .navbar-brand,
    .navbar-brand-ueh {
        font-size: 1rem;
        flex-grow: 1;
    }

    .navbar-brand img,
    .navbar-brand-ueh img {
        height: 32px !important;
    }

    /* Navbar collapse */
    .navbar-collapse {
        background-color: #fff;
        padding: 0.5rem 0;
        margin-top: 0.5rem;
        border-radius: 0.25rem;
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        z-index: 9999;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        overflow-x: hidden;
    }

    .navbar-collapse.show,
    .navbar-collapse.collapsing {
        display: block !important;
    }

    /* Navbar nav */
    .navbar-nav {
        margin: 0;
        padding: 0;
    }

    .navbar-nav .nav-item {
        border-bottom: 1px solid #f0f0f0;
    }

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

    .navbar-nav .nav-link {
        padding: 0.875rem 1.25rem !important;
        color: #333 !important;
        display: flex;
        align-items: center;
        transition: background-color 0.2s;
    }

    /* Override desktop white color for mobile */
    .navbar-collapse .navbar-nav .nav-link,
    .navbar-nav-ueh .nav-link {
        color: #333 !important;
        padding-left: 1.25rem !important;
        padding-right: 1.25rem !important;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:active {
        background-color: #f8f9fa;
    }

    .navbar-nav .nav-link i {
        margin-right: 0.75rem;
        width: 20px;
        text-align: center;
    }

    /* Dropdown */
    .navbar-nav .dropdown {
        border-bottom: 1px solid #f0f0f0;
        position: relative;
    }

    .navbar-nav .dropdown-toggle {
        position: relative;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
    }

    .navbar-nav .dropdown-toggle::after {
        margin-left: auto;
        transition: transform 0.2s;
    }

    .navbar-nav .dropdown.show .dropdown-toggle::after {
        transform: rotate(180deg);
    }

    .navbar-nav .dropdown-menu {
        border: none;
        border-top: 1px solid #e0e0e0;
        padding: 0;
        position: static !important;
        width: 100% !important;
        margin: 0 !important;
        background-color: #f8f9fa;
        display: none;
        transform: none !important;
        box-shadow: none;
        border-radius: 0;
    }

    .navbar-nav .dropdown-menu.show {
        display: block !important;
    }

    .navbar-nav .dropdown-menu .dropdown-item {
        padding: 0.75rem 1rem 0.75rem 2.5rem !important;
        color: #555 !important;
        white-space: normal;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        border-bottom: 1px solid #e0e0e0;
        background-color: transparent !important;
    }

    .navbar-nav .dropdown-menu .dropdown-item:first-child {
        border-radius: 0;
    }

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

    .navbar-nav .dropdown-menu .dropdown-item:hover,
    .navbar-nav .dropdown-menu .dropdown-item:active {
        background-color: #fff !important;
        color: #000 !important;
    }

    .navbar-nav .dropdown-menu .dropdown-item i {
        margin-right: 0.75rem;
        width: 20px;
        text-align: center;
        flex-shrink: 0;
    }

    /* User info on mobile */
    .navbar-text {
        display: block;
        padding: 0.75rem 1.25rem;
        border-top: 1px solid #f0f0f0;
        margin: 0;
    }
}

/* Fix for navbar-ueh specific styles */
@media (max-width: 992px) {
    .navbar-ueh {
        position: relative;
    }

    .navbar-ueh .container {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }

    .navbar-nav-ueh .nav-link {
        color: #333 !important;
    }
}

/* ===================================
   CVHT Specific
   =================================== */

@media (max-width: 768px) {
    /* Dashboard function menu */
    .cvht-function-menu .card {
        margin-bottom: 0.75rem;
    }

    /* Statistics grid */
    [class*="col-md-"] {
        margin-bottom: 1rem;
    }

    /* Badge adjustments */
    .badge {
        font-size: 0.75rem;
        padding: 0.35em 0.65em;
    }
}

/* ===================================
   Check-in Specific
   =================================== */

@media (max-width: 768px) {
    /* QR Code display */
    #qrCodeDisplay {
        max-width: 100%;
        height: auto;
    }

    #qrCodeDisplay canvas {
        max-width: 100% !important;
        height: auto !important;
    }

    /* QR Scanner */
    #reader {
        width: 100% !important;
        max-width: 100% !important;
    }

    #reader video {
        width: 100% !important;
        height: auto !important;
    }
}

/* ===================================
   Alerts & Notifications
   =================================== */

@media (max-width: 768px) {
    .alert {
        padding: 0.75rem;
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }

    .alert i {
        margin-right: 0.5rem;
    }
}

/* ===================================
   Lists
   =================================== */

@media (max-width: 768px) {
    .list-group-item {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    .list-inline-item {
        display: block;
        margin-bottom: 0.5rem;
    }
}

/* ===================================
   Utilities
   =================================== */

@media (max-width: 768px) {
    /* Text alignment */
    .text-md-left,
    .text-md-center,
    .text-md-right {
        text-align: center !important;
    }

    /* Hide elements on mobile */
    .d-md-none {
        display: none !important;
    }

    /* Show only on mobile */
    .d-mobile-only {
        display: block !important;
    }
}

@media (min-width: 769px) {
    .d-mobile-only {
        display: none !important;
    }
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .no-print {
        display: none !important;
    }

    .container-fluid {
        padding: 0;
    }

    .card {
        border: 1px solid #000;
        margin-bottom: 1rem;
        page-break-inside: avoid;
    }
}

/* ===================================
   Accessibility
   =================================== */

/* Touch targets should be at least 44x44 pixels */
@media (max-width: 768px) {
    button,
    .btn,
    a.btn,
    input[type="submit"],
    input[type="button"] {
        min-height: 44px;
        min-width: 44px;
    }

    /* Larger tap targets for links */
    a {
        padding: 0.25rem;
        margin: -0.25rem;
    }
}

/* ===================================
   Loading States
   =================================== */

@media (max-width: 768px) {
    .loading-spinner {
        font-size: 2rem;
    }
}

/* ===================================
   Scrollbars for mobile
   =================================== */

@media (max-width: 768px) {
    /* Thin scrollbars for mobile */
    ::-webkit-scrollbar {
        width: 4px;
        height: 4px;
    }

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
        background: #888;
        border-radius: 2px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #555;
    }
}

/* Landscape mode on mobile devices */
@media (max-width: 992px) and (orientation: landscape) {
    /* Don't force buttons to be full-width in landscape */
    .btn:not(.btn-sm):not(.btn-link) {
        width: auto;
    }

    .btn-group, .d-flex.gap-2 {
        flex-direction: row;
    }
}