/* TAGiD Logbook - Responsive Design Styles */

/* Mobile-First Responsive Utilities */
:root {
    --touch-target-size: 44px;
    --border-radius: 8px;
    --shadow-light: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 16px rgba(0,0,0,0.15);
}

/* Typography - Responsive Font Sizes */
@media (max-width: 576px) {
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    .display-4 { font-size: 1.5rem; }
    .display-5 { font-size: 1.25rem; }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }
}

/* Navigation Improvements */
.navbar-toggler {
    border: none;
    padding: 4px 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: 2px solid rgba(255,255,255,0.5);
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(33, 37, 41, 0.95);
        margin: 0 -1rem;
        padding: 1rem;
        border-radius: var(--border-radius);
        margin-top: 0.5rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        margin: 0.25rem 0;
        border-radius: var(--border-radius);
        transition: background-color 0.2s;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: rgba(255,255,255,0.1);
    }
    
    /* Mobile dropdown improvements */
    .dropdown-menu {
        border: none;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        border-radius: 8px;
        min-width: 200px;
    }
    
    .dropdown-menu .dropdown-item {
        padding: 12px 20px;
        font-size: 1rem;
        transition: all 0.2s ease;
    }
    
    .dropdown-menu .dropdown-item:hover {
        background-color: #f8f9fa;
        transform: translateX(4px);
    }
    
    .dropdown-menu .dropdown-item i {
        width: 20px;
        text-align: center;
    }
}

/* Form Improvements */
.form-control, .form-select {
    min-height: var(--touch-target-size);
    font-size: 16px; /* Prevents zoom on iOS */
}

.btn {
    min-height: var(--touch-target-size);
    padding: 0.75rem 1.5rem;
}

.btn-sm {
    min-height: 36px;
    padding: 0.5rem 1rem;
}

.btn-lg {
    min-height: 52px;
    padding: 1rem 2rem;
}

/* Card Improvements */
.card {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-medium);
}

/* Mobile Table Alternative - Card Layout */
@media (max-width: 768px) {
    .table-mobile-cards {
        display: none;
    }
    
    .table-mobile-cards.show {
        display: block;
    }
    
    .table-responsive.hide-mobile {
        display: none;
    }
    
    .mobile-card {
        border: 1px solid var(--bs-border-color);
        border-radius: var(--border-radius);
        padding: 1rem;
        margin-bottom: 1rem;
        background: white;
        box-shadow: var(--shadow-light);
    }
    
    .mobile-card-header {
        font-weight: 600;
        color: var(--bs-primary);
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--bs-border-color);
    }
    
    .mobile-card-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    
    .mobile-card-row:last-child {
        border-bottom: none;
    }
    
    .mobile-card-label {
        font-weight: 500;
        color: var(--bs-secondary);
        margin-right: 1rem;
    }
    
    .mobile-card-value {
        text-align: right;
        flex: 1;
    }
    
    .mobile-card-actions {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--bs-border-color);
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
}

/* Print Label Button Mobile Optimization */
@media (max-width: 768px) {
    .print-label-container {
        margin-top: 1rem;
        margin-bottom: 1rem;
    }
    
    .print-label-container .btn {
        width: 100%;
        min-height: 44px; /* Touch-friendly minimum height */
        font-size: 1rem;
        padding: 0.75rem 1rem;
    }
    
    .qr-code {
        max-width: 120px;
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .print-label-container .btn {
        font-size: 0.95rem;
        padding: 0.875rem 1.25rem;
        border-radius: 8px;
    }
    
    /* Entry Actions Mobile Optimization */
    .entry-card .btn-group-sm .btn {
        min-height: 36px;
        padding: 0.375rem 0.5rem;
        font-size: 0.875rem;
    }
    
    .entry-card .btn-group-sm {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
}

/* Entry Cards Mobile Optimization */
.entry-card {
    margin-bottom: 1rem;
}

@media (max-width: 576px) {
    .entry-card .card-body {
        padding: 1rem;
    }
    
    .entry-card .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .entry-card .d-flex > * {
        margin-bottom: 0.5rem;
    }
    
    .entry-card .float-end {
        float: none !important;
        align-self: flex-end;
    }
    
    .entry-meta {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* Signature Canvas Responsive Container */
.signature-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.signature-canvas {
    width: 100% !important;
    height: auto !important;
    max-width: 500px;
    border: 2px solid var(--bs-border-color);
    border-radius: var(--border-radius);
    touch-action: none;
    cursor: crosshair;
}

@media (max-width: 576px) {
    .signature-canvas {
        border-width: 3px;
    }
}

.signature-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: space-between;
}

@media (max-width: 576px) {
    .signature-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .signature-controls .btn {
        width: 100%;
    }
}

/* QR Code Responsive */
.qr-code {
    max-width: 120px;
    width: 100%;
    height: auto;
}

@media (min-width: 768px) {
    .qr-code {
        max-width: 150px;
    }
}

@media (min-width: 992px) {
    .qr-code {
        max-width: 180px;
    }
}

/* Modal Mobile Optimization */
@media (max-width: 576px) {
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-fullscreen-sm-down {
        width: 100vw;
        height: 100vh;
        margin: 0;
        border: 0;
        border-radius: 0;
    }
    
    .modal-fullscreen-sm-down .modal-content {
        height: 100%;
        border: 0;
        border-radius: 0;
    }
    
    .modal-fullscreen-sm-down .modal-body {
        overflow-y: auto;
    }
}

/* Admin Dashboard Mobile */
@media (max-width: 768px) {
    .admin-stats .col-md-3 {
        margin-bottom: 1rem;
    }
    
    .admin-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .admin-actions .btn {
        width: 100%;
    }
}

/* API Endpoints Mobile */
.api-endpoint {
    word-break: break-all;
    font-size: 0.875rem;
    padding: 0.75rem;
    background: var(--bs-light);
    border-radius: var(--border-radius);
    position: relative;
}

@media (max-width: 576px) {
    .api-endpoint {
        font-size: 0.75rem;
        padding: 0.5rem;
    }
}

/* Spacing Utilities */
@media (max-width: 576px) {
    .py-5 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
    .py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
    .my-5 { margin-top: 2rem !important; margin-bottom: 2rem !important; }
    .my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
}

/* Touch Improvements */
@media (hover: none) and (pointer: coarse) {
    .card:hover {
        box-shadow: var(--shadow-light);
    }
    
    .btn:hover {
        background-color: var(--bs-btn-bg);
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Hero Section Mobile Optimization */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0 !important;
    }
    
    .hero-section .display-4 {
        font-size: 2rem !important;
    }
    
    .hero-section .lead {
        font-size: 1rem !important;
    }
    
    .hero-section .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
        margin-bottom: 0.5rem;
        display: block;
        width: 100%;
    }
    
    .hero-section .btn-lg + .btn-lg {
        margin-top: 0.5rem;
    }
}

/* Feature Cards Mobile Enhancement */
@media (max-width: 576px) {
    .feature-card {
        margin-bottom: 1.5rem;
    }
    
    .feature-card .card-body {
        padding: 1.5rem;
    }
    
    .feature-card .card-title {
        font-size: 1.125rem;
    }
}

/* Admin Dashboard Table Mobile Cards */
@media (max-width: 992px) {
    .table-responsive {
        border: none;
    }
    
    .admin-table-mobile {
        display: none;
    }
    
    .admin-table-mobile.show {
        display: block;
    }
    
    .admin-table-desktop {
        display: table;
    }
    
    .admin-table-desktop.hide {
        display: none;
    }
    
    .logbook-mobile-card {
        border: 1px solid var(--bs-border-color);
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
        background: white;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }
    
    .logbook-mobile-header {
        font-weight: 600;
        color: var(--bs-primary);
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--bs-border-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .logbook-mobile-tagid {
        font-family: monospace;
        background: var(--bs-light);
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        font-size: 0.875rem;
    }
    
    .logbook-mobile-actions {
        margin-top: 1rem;
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .logbook-mobile-actions .btn {
        flex: 1;
        min-width: 100px;
        font-size: 0.875rem;
    }
}

/* Enhanced Navigation Mobile */
@media (max-width: 991px) {
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-brand img {
        height: 35px !important;
    }
    
    .navbar-nav .nav-link {
        font-size: 1rem;
        padding: 0.75rem 1rem !important;
    }
}

/* Modal Mobile Enhancements */
@media (max-width: 768px) {
    .modal-lg {
        max-width: 95%;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
    
    .modal-header .btn-close {
        padding: 1rem;
        margin: -1rem -1rem -1rem auto;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-footer {
        padding: 1rem;
        flex-direction: column-reverse;
        gap: 0.5rem;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
}

/* Search Bar Mobile Optimization */
@media (max-width: 768px) {
    .search-container {
        margin-bottom: 1rem;
    }
    
    .search-container .input-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-container .form-control {
        border-radius: 6px !important;
    }
    
    .search-container .btn {
        border-radius: 6px !important;
        width: 100%;
    }
}

/* Entry Cards Enhanced Mobile */
@media (max-width: 576px) {
    .entry-card {
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }
    
    .entry-card .card-header {
        padding: 1rem;
        background: var(--bs-light);
    }
    
    .entry-card .entry-meta {
        font-size: 0.875rem;
        color: var(--bs-secondary);
        margin-bottom: 0.5rem;
    }
    
    .entry-card .entry-content {
        line-height: 1.5;
        margin-bottom: 1rem;
    }
    
    .entry-card .service-details {
        background: rgba(var(--bs-info-rgb), 0.1);
        border-radius: 6px;
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .entry-card .service-details .row > div {
        margin-bottom: 0.75rem;
    }
    
    .entry-card .entry-actions {
        justify-content: center;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .entry-card .entry-actions .btn {
        flex: 1;
        min-width: 80px;
    }
}

/* Form Mobile Enhancements */
@media (max-width: 768px) {
    .form-floating {
        margin-bottom: 1.5rem;
    }
    
    .form-floating > .form-control,
    .form-floating > .form-select {
        height: calc(3.5rem + 2px);
        line-height: 1.25;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .form-floating > label {
        padding: 1rem 0.75rem 0.25rem 0.75rem;
    }
    
    .form-check {
        margin-bottom: 1rem;
        padding-left: 2rem;
    }
    
    .form-check-input {
        width: 1.25em;
        height: 1.25em;
    }
    
    .form-check-label {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .input-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .input-group > .form-control,
    .input-group > .form-select,
    .input-group > .btn {
        border-radius: 6px !important;
    }
    
    .input-group > .btn {
        width: 100%;
    }
}

/* QR Code and Image Mobile */
@media (max-width: 576px) {
    .qr-container {
        text-align: center;
        margin: 1.5rem 0;
    }
    
    .qr-code {
        max-width: 150px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    .image-gallery {
        margin: 1rem 0;
    }
    
    .image-gallery .row > div {
        margin-bottom: 1rem;
    }
    
    .image-gallery img {
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
}

/* Footer Mobile Enhancement */
@media (max-width: 576px) {
    footer.bg-dark {
        padding: 2rem 0 !important;
    }
    
    footer .border {
        padding: 1.5rem !important;
        border-radius: 8px;
    }
    
    footer img {
        height: 50px !important;
        margin-bottom: 1rem;
    }
    
    footer h5 {
        font-size: 1.125rem;
    }
    
    footer p {
        font-size: 0.9rem;
        line-height: 1.4;
    }
}

/* Loading and Animation Mobile */
@media (max-width: 768px) {
    .loading-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255,255,255,0.9);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 9999;
    }
    
    .loading-spinner {
        width: 3rem;
        height: 3rem;
    }
}

/* Accessibility Mobile Improvements */
@media (max-width: 768px) {
    /* Larger focus indicators for touch */
    .btn:focus,
    .form-control:focus,
    .form-select:focus {
        outline: 2px solid var(--bs-primary);
        outline-offset: 2px;
    }
    
    /* Skip links for keyboard navigation */
    .skip-link {
        position: absolute;
        top: -40px;
        left: 6px;
        background: var(--bs-primary);
        color: white;
        padding: 8px;
        text-decoration: none;
        border-radius: 0 0 4px 4px;
        z-index: 10000;
    }
    
    .skip-link:focus {
        top: 0;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .modal, .signature-controls {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
    
    .signature-canvas {
        border: 2px solid #000;
    }
    
    .page-break-before {
        page-break-before: always;
    }
    
    .page-break-after {
        page-break-after: always;
    }
}