/* SafePermit Mobile-Friendly CSS */

/* Base mobile improvements */
@media (max-width: 640px) {
    /* Container improvements */
    .container, .max-w-7xl {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Typography improvements */
    h1 {
        font-size: 1.5rem;
        line-height: 2rem;
    }
    
    h2 {
        font-size: 1.25rem;
        line-height: 1.75rem;
    }
    
    h3 {
        font-size: 1.125rem;
        line-height: 1.5rem;
    }
    
    /* Form improvements */
    input, textarea, select {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem;
        min-height: 44px; /* Apple's recommended touch target size */
    }
    
    /* Button improvements */
    button, .btn, a.btn {
        min-height: 44px;
        min-width: 44px;
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    /* Card improvements */
    .bg-white.shadow {
        margin-bottom: 1rem;
        border-radius: 0.5rem;
    }
    
    /* Grid improvements */
    .grid-cols-2 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .grid-cols-3 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    /* Table improvements */
    .overflow-x-auto {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    .overflow-x-auto::-webkit-scrollbar {
        height: 6px;
    }
    
    .overflow-x-auto::-webkit-scrollbar-track {
        background: #f1f5f9;
    }
    
    .overflow-x-auto::-webkit-scrollbar-thumb {
        background: #cbd5e1;
        border-radius: 3px;
    }
    
    table {
        min-width: 600px;
    }
    
    th, td {
        padding: 0.5rem;
        font-size: 0.875rem;
        white-space: nowrap;
    }
    
    /* Hide less important columns on mobile */
    .mobile-hide {
        display: none;
    }
    
    /* Stack table cells vertically on very small screens */
    @media (max-width: 480px) {
        .mobile-stack table,
        .mobile-stack thead,
        .mobile-stack tbody,
        .mobile-stack th,
        .mobile-stack td,
        .mobile-stack tr {
            display: block;
        }
        
        .mobile-stack thead tr {
            position: absolute;
            top: -9999px;
            left: -9999px;
        }
        
        .mobile-stack tr {
            border: 1px solid #e5e7eb;
            margin-bottom: 0.5rem;
            padding: 0.5rem;
            border-radius: 0.375rem;
            background: white;
        }
        
        .mobile-stack td {
            border: none;
            position: relative;
            padding-left: 50% !important;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        
        .mobile-stack td:before {
            content: attr(data-label) ": ";
            position: absolute;
            left: 6px;
            width: 45%;
            padding-right: 10px;
            white-space: nowrap;
            font-weight: 600;
            color: #374151;
        }
    }
    
    /* Modal improvements */
    .modal, .fixed.inset-0 > div {
        margin: 1rem;
        max-width: calc(100vw - 2rem);
        max-height: calc(100vh - 2rem);
        overflow-y: auto;
    }
    
    /* Navigation improvements */
    .hidden.md\\:block {
        display: none !important;
    }
    
    /* Spacing improvements */
    .space-y-6 > * + * {
        margin-top: 1rem;
    }
    
    .space-y-8 > * + * {
        margin-top: 1.5rem;
    }
    
    /* PTW specific improvements */
    .ptw-card {
        padding: 1rem;
    }
    
    .ptw-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .ptw-actions button {
        width: 100%;
    }
    
    /* Status badges */
    .status-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    /* File upload improvements */
    input[type="file"] {
        padding: 1rem;
        border: 2px dashed #d1d5db;
        border-radius: 0.5rem;
        text-align: center;
        background-color: #f9fafb;
    }
    
    /* Signature pad improvements */
    .signature-pad {
        min-height: 200px;
        width: 100%;
        touch-action: none;
    }
    
    /* Camera improvements */
    #camera-preview {
        max-height: 60vh;
        width: 100%;
        object-fit: cover;
    }
    
    /* Location suggestions */
    #location-suggestions {
        max-height: 50vh;
        overflow-y: auto;
    }
    
    /* Manpower selection */
    .manpower-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .manpower-card {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    /* User management improvements */
    .user-card {
        padding: 1rem;
        margin-bottom: 0.5rem;
    }
    
    /* Briefing improvements */
    .briefing-card {
        padding: 1rem;
    }
    
    .attendee-card {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    /* Action button improvements */
    .action-buttons {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .action-buttons button,
    .action-buttons a {
        width: 100%;
        justify-content: center;
    }
    
    /* Status badge improvements */
    .status-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
        white-space: nowrap;
    }
    
    /* Form section improvements */
    .form-section {
        margin-bottom: 1.5rem;
    }
    
    .form-section h3 {
        font-size: 1.125rem;
        margin-bottom: 1rem;
    }
    
    /* Card layout improvements */
    .card-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Navigation improvements */
    .nav-mobile {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid #e5e7eb;
        padding: 0.5rem;
        z-index: 50;
    }
    
    .nav-mobile .nav-item {
        flex: 1;
        text-align: center;
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    /* Add bottom padding to content when mobile nav is present */
    body.has-mobile-nav {
        padding-bottom: 4rem;
    }
}

/* Tablet improvements */
@media (min-width: 641px) and (max-width: 1024px) {
    .container, .max-w-7xl {
        padding-left: 2rem;
        padding-right: 2rem;
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .signature-pad {
        min-height: 250px;
    }
}

/* Touch device improvements */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    button, .btn, a.btn {
        min-height: 48px;
        padding: 0.75rem 1.5rem;
    }
    
    /* Better checkbox and radio sizing */
    input[type="checkbox"], input[type="radio"] {
        width: 1.25rem;
        height: 1.25rem;
    }
    
    /* Improve select dropdown */
    select {
        padding: 0.75rem;
        font-size: 16px;
        background-size: 16px;
    }
    
    /* Better hover states */
    .hover\\:bg-blue-700:hover {
        background-color: #1d4ed8;
    }
    
    .hover\\:bg-gray-100:hover {
        background-color: #f3f4f6;
    }
    
    /* Remove hover effects that don't work on touch */
    .hover\\:shadow-lg:hover {
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }
}

/* Landscape phone improvements */
@media (max-width: 896px) and (orientation: landscape) {
    /* Reduce header height in landscape */
    nav {
        min-height: 3rem;
    }
    
    .h-16 {
        height: 3rem;
    }
    
    /* Adjust modal sizing */
    .modal, .fixed.inset-0 > div {
        max-height: calc(100vh - 1rem);
        margin: 0.5rem;
    }
    
    /* Reduce padding */
    .py-6 {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
}

/* High DPI improvements */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper borders */
    .border {
        border-width: 0.5px;
    }
    
    /* Better icon rendering */
    .fas, .far, .fab {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 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 (if needed) */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed */
}

/* Print improvements */
@media print {
    .no-print {
        display: none !important;
    }
    
    .print-break {
        page-break-after: always;
    }
    
    .print-avoid-break {
        page-break-inside: avoid;
    }
}

/* Focus improvements for keyboard navigation */
button:focus, input:focus, select:focus, textarea:focus, a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

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

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Utility classes for mobile */
.mobile-hidden {
    display: none;
}

@media (min-width: 641px) {
    .mobile-hidden {
        display: block;
    }
}

.mobile-only {
    display: block;
}

@media (min-width: 641px) {
    .mobile-only {
        display: none;
    }
}

/* Safe area support for devices with notches */
@supports (padding: max(0px)) {
    .safe-area-inset-top {
        padding-top: max(1rem, env(safe-area-inset-top));
    }
    
    .safe-area-inset-bottom {
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
    }
    
    .safe-area-inset-left {
        padding-left: max(1rem, env(safe-area-inset-left));
    }
    
    .safe-area-inset-right {
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}

/* ==================== PWA Specific Styles ==================== */

/* PWA Mode body class */
body.pwa-mode {
    /* Prevent pull-to-refresh on PWA */
    overscroll-behavior-y: contain;
}

/* PWA standalone mode adjustments */
@media (display-mode: standalone) {
    /* Add extra padding for status bar on iOS */
    body {
        padding-top: env(safe-area-inset-top);
    }
    
    /* Adjust navigation for standalone mode */
    nav {
        padding-top: env(safe-area-inset-top);
    }
    
    /* Prevent text selection on UI elements */
    button, .btn, nav a {
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* Hide browser-specific elements */
    .browser-only {
        display: none !important;
    }
}

/* PWA Install button styles */
#install-button {
    animation: pulse-install 2s infinite;
}

@keyframes pulse-install {
    0%, 100% {
        box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3), 0 2px 4px -1px rgba(37, 99, 235, 0.2);
    }
    50% {
        box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4), 0 4px 6px -2px rgba(37, 99, 235, 0.3);
    }
}

/* Offline indicator styles */
#offline-indicator {
    animation: slide-in-left 0.3s ease-out;
}

#sync-indicator {
    animation: slide-in-left 0.3s ease-out;
}

@keyframes slide-in-left {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Update notification styles */
#update-notification {
    animation: slide-in-top 0.3s ease-out;
}

@keyframes slide-in-top {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* PWA splash screen styles */
.pwa-splash {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.pwa-splash.fade-out {
    opacity: 0;
    pointer-events: none;
}

.pwa-splash-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    animation: bounce-in 0.6s ease-out;
}

.pwa-splash-title {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.pwa-splash-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

@keyframes bounce-in {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* PWA loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Touch feedback for PWA */
@media (hover: none) and (pointer: coarse) {
    button:active, .btn:active, a:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    /* Larger touch targets */
    .touch-target {
        min-height: 48px;
        min-width: 48px;
    }
}

/* PWA form improvements */
.pwa-mode input, .pwa-mode textarea, .pwa-mode select {
    /* Prevent zoom on focus in iOS */
    font-size: 16px;
}

/* PWA navigation improvements */
.pwa-mode nav {
    /* Prevent elastic scrolling */
    position: sticky;
    top: 0;
}

/* PWA offline content styling */
.offline-content {
    opacity: 0.7;
    pointer-events: none;
}

.offline-content::after {
    content: 'Available offline';
    position: absolute;
    top: 8px;
    right: 8px;
    background: #f59e0b;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* PWA draft indicator */
.draft-indicator {
    position: relative;
}

.draft-indicator::before {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 12px;
    height: 12px;
    background: #f59e0b;
    border-radius: 50%;
    border: 2px solid white;
}

/* PWA sync status badge */
.sync-pending::after {
    content: '⏳';
    margin-left: 4px;
}

.sync-complete::after {
    content: '✓';
    margin-left: 4px;
    color: #10b981;
}

.sync-failed::after {
    content: '⚠';
    margin-left: 4px;
    color: #ef4444;
}