/* =============================================================
   VMS PWA Native App Mode Styles
   Tablet-optimized UI for fullscreen experience
   ============================================================= */

/* =============================================
   ROOT VARIABLES FOR PWA MODE
   ============================================= */
:root {
    --pwa-safe-top: env(safe-area-inset-top, 0px);
    --pwa-safe-bottom: env(safe-area-inset-bottom, 0px);
    --pwa-safe-left: env(safe-area-inset-left, 0px);
    --pwa-safe-right: env(safe-area-inset-right, 0px);
    --pwa-touch-target: 48px;
    --pwa-header-height: 60px;
}

/* =============================================
   GLOBAL PWA NATIVE MODE STYLES
   ============================================= */
.pwa-native-mode {
    /* Prevent overscroll bounce */
    overscroll-behavior: none;
    
    /* Prevent text selection on touch */
    -webkit-user-select: none;
    user-select: none;
    
    /* Smooth scrolling */
    -webkit-overflow-scrolling: touch;
    
    /* Prevent pull-to-refresh */
    overflow-y: auto;
}

.pwa-native-mode::-webkit-scrollbar {
    display: none;
}

.pwa-native-mode {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Safe area padding */
.pwa-native-mode body {
    padding-top: var(--pwa-safe-top);
    padding-bottom: var(--pwa-safe-bottom);
    padding-left: var(--pwa-safe-left);
    padding-right: var(--pwa-safe-right);
}

/* =============================================
   TOUCH-FRIENDLY ELEMENTS
   ============================================= */
.pwa-native-mode button,
.pwa-native-mode .btn,
.pwa-native-mode input[type="submit"],
.pwa-native-mode input[type="button"],
.pwa-native-mode a.btn {
    min-height: var(--pwa-touch-target);
    min-width: var(--pwa-touch-target);
    padding: 12px 20px;
    font-size: 16px;
    touch-action: manipulation;
}

.pwa-native-mode input[type="text"],
.pwa-native-mode input[type="number"],
.pwa-native-mode input[type="email"],
.pwa-native-mode input[type="password"],
.pwa-native-mode input[type="tel"],
.pwa-native-mode input[type="date"],
.pwa-native-mode select,
.pwa-native-mode textarea {
    min-height: var(--pwa-touch-target);
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 12px 16px;
}

/* =============================================
   PWA HEADER / STATUS BAR AREA
   ============================================= */
.pwa-native-mode .s-main {
    padding-top: var(--pwa-safe-top);
}

.pwa-native-mode .s-sidebar {
    padding-top: var(--pwa-safe-top);
}

/* =============================================
   EXIT FULLSCREEN BUTTON
   ============================================= */
.pwa-exit-btn {
    position: fixed;
    top: calc(var(--pwa-safe-top) + 10px);
    right: calc(var(--pwa-safe-right) + 10px);
    z-index: 10000;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.pwa-exit-btn i {
    font-size: 16px;
}

.pwa-native-mode .pwa-exit-btn {
    opacity: 1;
    visibility: visible;
}

.pwa-exit-btn:hover {
    background: rgba(0, 0, 0, 0.85);
    transform: scale(1.05);
}

.pwa-exit-btn:active {
    transform: scale(0.95);
}

/* =============================================
   PWA INSTALL BUTTON (FLOATING)
   ============================================= */
#pwa-install-btn {
    display: none;
    position: fixed;
    bottom: calc(var(--pwa-safe-bottom) + 20px);
    right: calc(var(--pwa-safe-right) + 20px);
    z-index: 9999;
    padding: 14px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

#pwa-install-btn i {
    font-size: 18px;
}

#pwa-install-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

#pwa-install-btn:active {
    transform: translateY(-1px);
}

/* Animated pulse for install button */
#pwa-install-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50px;
    background: inherit;
    animation: pulse-ring 2s ease-out infinite;
    z-index: -1;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* =============================================
   PWA INSTALL BANNER (ALTERNATIVE)
   ============================================= */
.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 20px;
    padding-bottom: calc(16px + var(--pwa-safe-bottom));
    display: none;
    align-items: center;
    justify-content: space-between;
    z-index: 9998;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

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

.pwa-install-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwa-install-banner-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.pwa-install-banner-text h4 {
    margin: 0 0 4px 0;
    font-size: 16px;
    font-weight: 600;
}

.pwa-install-banner-text p {
    margin: 0;
    font-size: 13px;
    opacity: 0.9;
}

.pwa-install-banner-actions {
    display: flex;
    gap: 10px;
}

.pwa-install-banner-btn {
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.pwa-install-banner-btn.primary {
    background: white;
    color: #667eea;
    border: none;
}

.pwa-install-banner-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.pwa-install-banner-btn:hover {
    transform: scale(1.05);
}

/* =============================================
   TABLET-SPECIFIC LAYOUTS
   ============================================= */
@media (min-width: 768px) and (max-width: 1024px) {
    .pwa-native-mode .content {
        padding: 20px;
    }
    
    .pwa-native-mode .s-DataGrid {
        font-size: 15px;
    }
    
    .pwa-native-mode .slick-cell {
        padding: 12px 10px;
    }
    
    .pwa-native-mode .slick-header-column {
        padding: 14px 10px;
    }
}

/* =============================================
   LANDSCAPE MODE ADJUSTMENTS
   ============================================= */
@media (orientation: landscape) {
    .pwa-native-mode .s-sidebar {
        width: 280px;
    }
    
    .pwa-exit-btn {
        top: calc(var(--pwa-safe-top) + 5px);
    }
}

/* =============================================
   PORTRAIT MODE ADJUSTMENTS
   ============================================= */
@media (orientation: portrait) {
    .pwa-native-mode .s-sidebar {
        width: 100%;
        max-width: 320px;
    }
}

/* =============================================
   SPLASH SCREEN SIMULATION
   ============================================= */
.pwa-splash {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease;
}

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

.pwa-splash-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    animation: bounce 1s ease-in-out infinite;
}

.pwa-splash-title {
    color: white;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.pwa-splash-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.pwa-splash-loader {
    margin-top: 40px;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

/* =============================================
   OFFLINE INDICATOR
   ============================================= */
.pwa-offline-indicator {
    position: fixed;
    top: var(--pwa-safe-top);
    left: 0;
    right: 0;
    background: #ef4444;
    color: white;
    padding: 10px 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pwa-offline-indicator.show {
    display: flex;
}

.pwa-offline-indicator i {
    font-size: 16px;
}

/* =============================================
   DARK MODE SUPPORT
   ============================================= */
[data-bs-theme="dark"] .pwa-exit-btn {
    background: rgba(255, 255, 255, 0.15);
}

[data-bs-theme="dark"] .pwa-exit-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}