/* ========================================
   PWA & Mobile Optimizations for iOS/iPadOS
   ======================================== */

/* iOS Safe Areas - Handle notch and home indicator */
:root {
    --safe-area-inset-top: env(safe-area-inset-top, 0);
    --safe-area-inset-right: env(safe-area-inset-right, 0);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0);
    --safe-area-inset-left: env(safe-area-inset-left, 0);
}

/* Apply safe areas to body */
body {
    padding-top: var(--safe-area-inset-top);
    padding-right: var(--safe-area-inset-right);
    padding-bottom: var(--safe-area-inset-bottom);
    padding-left: var(--safe-area-inset-left);
}

/* iOS Smooth scrolling */
html {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Prevent iOS text size adjustment */
html {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* Better tap handling on iOS */
a, button, input[type="submit"], input[type="button"], .btn {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

/* Improve touch targets for better mobile UX (minimum 44x44px for iOS) */
.btn, a.btn, button {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 20px;
}

/* Navbar adjustments for iOS */
#header {
    position: fixed;
    top: var(--safe-area-inset-top);
    left: 0;
    right: 0;
    z-index: 1030;
    background: #212529;
}

#main {
    margin-top: calc(56px + var(--safe-area-inset-top));
    padding-bottom: calc(20px + var(--safe-area-inset-bottom));
}

/* Footer adjustments for home indicator area */
#footer {
    padding-bottom: calc(1rem + var(--safe-area-inset-bottom)) !important;
}

/* Responsive tables for mobile */
@media (max-width: 768px) {
    /* Make tables scrollable horizontally */
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Stack form elements vertically on mobile */
    .form-inline {
        display: block;
    }
    
    .form-inline .form-control,
    .form-inline .input-group {
        width: 100%;
        margin-bottom: 10px;
    }
    
    /* Better spacing for mobile forms */
    .form-group {
        margin-bottom: 1rem;
    }
    
    /* Larger font for better readability */
    body {
        font-size: 16px; /* Prevents iOS zoom on input focus */
    }
    
    input, textarea, select {
        font-size: 16px; /* Prevents iOS zoom on input focus */
    }
}

/* Modal improvements for mobile */
@media (max-width: 576px) {
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-fullscreen-sm-down {
        width: 100vw;
        max-width: none;
        height: 100vh;
        margin: 0;
    }
}

/* GridView mobile optimizations */
@media (max-width: 768px) {
    .grid-view table {
        font-size: 0.875rem;
    }
    
    .grid-view th,
    .grid-view td {
        padding: 0.5rem !important;
    }
    
    /* Hide less important columns on mobile */
    .grid-view .hide-on-mobile {
        display: none;
    }
}

/* Card layout for better mobile experience */
@media (max-width: 576px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Floating Action Button (FAB) style for create actions */
.fab-create {
    position: fixed;
    bottom: calc(20px + var(--safe-area-inset-bottom));
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
}

.fab-create:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

@media (min-width: 769px) {
    .fab-create {
        display: none;
    }
}

/* Offline indicator */
body.offline::before {
    content: "⚠️ Offline Mode";
    position: fixed;
    top: calc(56px + var(--safe-area-inset-top) + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: #ffc107;
    color: #212529;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 9999;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Install prompt banner (can be toggled via JS) */
.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
    color: white;
    padding: 1rem;
    padding-bottom: calc(1rem + var(--safe-area-inset-bottom));
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1040;
    display: none;
    animation: slideUp 0.3s ease;
}

.pwa-install-banner.show {
    display: block;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.pwa-install-banner .banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.pwa-install-banner .banner-text {
    flex: 1;
    margin-right: 1rem;
}

.pwa-install-banner .banner-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.pwa-install-banner .banner-description {
    font-size: 0.875rem;
    opacity: 0.9;
}

.pwa-install-banner .banner-actions {
    display: flex;
    gap: 0.5rem;
}

/* iOS Safari bottom bar fix */
@supports (-webkit-touch-callout: none) {
    /* Fix for iOS Safari bottom bar */
    body {
        min-height: -webkit-fill-available;
    }
}

/* Pull to refresh enhancement */
@media (hover: none) and (pointer: coarse) {
    /* Mobile touch devices */
    body {
        overscroll-behavior-y: contain;
    }
}

/* Improve Select2 dropdowns on mobile */
@media (max-width: 768px) {
    .select2-container {
        width: 100% !important;
    }
    
    .select2-dropdown {
        font-size: 16px; /* Prevent iOS zoom */
    }
    
    .select2-results__option {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* DatePicker mobile improvements */
@media (max-width: 768px) {
    .datepicker {
        font-size: 1rem;
    }
    
    .datepicker table tr td,
    .datepicker table tr th {
        min-width: 44px;
        min-height: 44px;
    }
}

/* Loading indicator for PWA */
.pwa-loading {
    position: fixed;
    top: calc(56px + var(--safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 193, 7, 0.95);
    color: #212529;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 9999;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: none;
}

.pwa-loading.show {
    display: block;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Improve navigation menu on mobile */
@media (max-width: 768px) {
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .navbar-collapse {
        max-height: calc(100vh - 56px - var(--safe-area-inset-top) - var(--safe-area-inset-bottom));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Breadcrumb mobile optimization */
@media (max-width: 576px) {
    .breadcrumb {
        font-size: 0.875rem;
        padding: 0.5rem;
    }
    
    .breadcrumb-item + .breadcrumb-item::before {
        padding-right: 0.25rem;
        padding-left: 0.25rem;
    }
}

/* Alert widget mobile optimization */
@media (max-width: 576px) {
    .alert {
        font-size: 0.875rem;
        padding: 0.75rem;
    }
}

/* Detail view optimization for mobile */
@media (max-width: 768px) {
    .detail-view th {
        width: 40%;
        font-size: 0.875rem;
    }
    
    .detail-view td {
        font-size: 0.875rem;
    }
}

/* Action buttons optimization */
@media (max-width: 576px) {
    .btn-group {
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Fix for iOS momentum scrolling in modals */
.modal {
    -webkit-overflow-scrolling: touch;
}

/* Prevent zoom on double tap (iOS) */
button,
a {
    touch-action: manipulation;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    /* Uncomment if you want to support dark mode */
    /*
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    */
}

/* Landscape orientation optimizations */
@media (max-height: 500px) and (orientation: landscape) {
    #header {
        position: sticky;
    }
    
    #main {
        margin-top: 0;
        padding-top: 56px;
    }
}

/* Print styles */
@media print {
    #header,
    #footer,
    .fab-create,
    .pwa-install-banner {
        display: none !important;
    }
    
    #main {
        margin-top: 0 !important;
    }
}