/* PWA-specific styles for Photo Booth Template Designer */

/* PWA Mode Adjustments */
.pwa-mode {
    /* Adjust for standalone mode without browser UI */
    --safe-area-inset-top: env(safe-area-inset-top);
    --safe-area-inset-bottom: env(safe-area-inset-bottom);
    --safe-area-inset-left: env(safe-area-inset-left);
    --safe-area-inset-right: env(safe-area-inset-right);
}

/* Install Button Styling */
.pwa-install-btn {
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    z-index: 9999 !important;
    background: linear-gradient(135deg, #3498db, #2980b9) !important;
    border: none !important;
    padding: 12px 20px !important;
    border-radius: 25px !important;
    color: white !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3) !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    cursor: pointer !important;
}

.pwa-install-btn:hover {
    background: linear-gradient(135deg, #2980b9, #1e6fa6) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4) !important;
    color: white !important;
}

.pwa-install-btn:active {
    transform: translateY(0) !important;
}

/* Offline Indicator */
.offline-alert {
    background: linear-gradient(135deg, #f39c12, #e67e22) !important;
    border: none !important;
    color: white !important;
    font-weight: 500 !important;
}

/* PWA Success Alert */
.pwa-success-alert {
    background: linear-gradient(135deg, #27ae60, #229954) !important;
    border: none !important;
    color: white !important;
}

/* Offline Save Alert */
.offline-save-alert {
    background: linear-gradient(135deg, #3498db, #2980b9) !important;
    border: none !important;
    color: white !important;
}

/* Update Alert */
.update-alert {
    background: linear-gradient(135deg, #8e44ad, #7d3c98) !important;
    border: none !important;
    color: white !important;
}

/* PWA Mode Header Adjustments */
.pwa-mode .main-header {
    padding-top: max(1rem, var(--safe-area-inset-top));
    padding-left: max(1rem, var(--safe-area-inset-left));
    padding-right: max(1rem, var(--safe-area-inset-right));
}

/* PWA Mode Footer Adjustments */
.pwa-mode footer {
    padding-bottom: max(1rem, var(--safe-area-inset-bottom));
    padding-left: max(1rem, var(--safe-area-inset-left));
    padding-right: max(1rem, var(--safe-area-inset-right));
}

/* PWA Canvas Adjustments */
.pwa-mode #canvas-container {
    /* Ensure canvas is properly positioned in PWA mode */
    margin-top: var(--safe-area-inset-top);
}

/* Hide install button when already installed */
.pwa-mode .pwa-install-btn {
    display: none !important;
}

/* PWA Loading States */
.pwa-loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px 30px;
    border-radius: 10px;
    z-index: 10000;
    text-align: center;
}

.pwa-loading .spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: pwa-spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes pwa-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* PWA Keyboard Shortcuts Info */
.pwa-shortcuts-info {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 12px;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pwa-shortcuts-info.show {
    opacity: 1;
}

.pwa-shortcuts-info kbd {
    background: #444;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: monospace;
    margin: 0 2px;
}

/* Mobile PWA Optimizations */
@media (max-width: 768px) {
    .pwa-install-btn {
        position: fixed !important;
        bottom: 20px !important;
        right: 20px !important;
        top: auto !important;
        border-radius: 50% !important;
        width: 60px !important;
        height: 60px !important;
        padding: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 20px !important;
    }
    
    .pwa-install-btn i {
        margin: 0 !important;
    }
    
    .pwa-install-btn span {
        display: none !important;
    }
    
    .offline-alert,
    .pwa-success-alert,
    .offline-save-alert,
    .update-alert {
        left: 10px !important;
        right: 10px !important;
        transform: none !important;
        border-radius: 8px !important;
    }
    
    .pwa-mode main {
        padding-left: max(1rem, var(--safe-area-inset-left));
        padding-right: max(1rem, var(--safe-area-inset-right));
    }
}

/* iOS PWA Specific Adjustments */
@supports (-webkit-touch-callout: none) {
    .pwa-mode {
        /* iOS specific safe area handling */
        padding-top: var(--safe-area-inset-top);
    }
    
    .pwa-mode .main-header {
        position: sticky;
        top: var(--safe-area-inset-top);
    }
}

/* Android PWA Specific Adjustments */
@media (display-mode: standalone) and (orientation: portrait) {
    .pwa-mode .main-header {
        /* Android Chrome PWA adjustments */
        min-height: 60px;
    }
}

/* Splash Screen Styles (for PWA launch) */
.pwa-splash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

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

.pwa-splash-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.pwa-splash-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    text-align: center;
}

.pwa-splash-subtitle {
    font-size: 16px;
    opacity: 0.8;
    text-align: center;
    margin-bottom: 30px;
}

.pwa-splash-spinner {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: pwa-spin 1s linear infinite;
}