/** Mobile Optimizations for AcadSyntra PWA */

/* Touch optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap target sizes for touch devices */
    button, 
    [type="button"], 
    [type="submit"], 
    a {
        min-height: 44px;
        min-width: 44px;
        padding: 12px 16px;
    }
    
    input[type="checkbox"],
    input[type="radio"] {
        min-width: 24px;
        min-height: 24px;
    }
    
    /* Remove hover effects on touch */
    .hove:*:hover {
        /* disabled for touch */
    }
}

/* PWA standalone mode adjustments */
@media all and (display-mode: standalone) {
    /* Adjust for no browser UI */
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    nav {
        padding-top: env(safe-area-inset-top);
    }
}

/* iOS PWA adjustments */
@supports (-webkit-touch-callout: none) {
    /* Prevent zoom on focus */
    input, select, textarea {
        font-size: 16px !important;
    }
    
    /* Hide scrollbar */
    ::-webkit-scrollbar {
        display: none;
    }
}

/* Fast clicks */
* {
    touch-action: manipulation;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    /* Stack grids */
    .grid {
        grid-template-columns: 1fr !important;
    }
}

/* Offline indicator animation */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

#offline-banner {
    animation: slideDown 0.3s ease-out;
}

/* Sync indicator pulse */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* PWA install prompt slide up */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

#pwa-install-prompt {
    animation: slideUp 0.3s ease-out;
}

/* Safe area insets for notched devices */
.safe-area-top {
    padding-top: env(safe-area-inset-top);
}

.safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom);
}

/* Prevent text selection on UI elements */
button, a {
    -webkit-user-select: none;
    user-select: none;
}

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

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

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #ccc;
    border-top-color: #4f46e5;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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