/* Android PWA and Mobile Optimizations for PK Live News */

/* PWA Install Prompt Styling */
.pwa-install-prompt {
    animation: slideUp 0.5s ease-out;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Android Safe Area Support */
.safe-area-inset-top {
    padding-top: env(safe-area-inset-top);
}

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

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

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

/* Android Touch Optimizations */
.android-touch {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
}

/* Android Scroll Performance */
.smooth-scroll {
    scroll-behavior: smooth;
    overscroll-behavior: contain;
}

/* Android Input Optimizations */
.android-input {
    font-size: 16px !important; /* Prevents zoom on focus */
    line-height: 1.4;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ddd;
    background: #fff;
}

/* Android Button Optimizations */
.android-btn {
    min-height: 44px; /* Android accessibility minimum */
    min-width: 44px;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 500;
    touch-action: manipulation;
    transition: all 0.2s ease;
}

.android-btn:active {
    transform: scale(0.95);
    opacity: 0.8;
}

/* Android Card Optimizations */
.android-card {
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.android-card:active {
    transform: scale(0.98);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* Android Navigation Optimizations */
.android-nav {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.95);
}

/* Android Status Bar Support */
@media (display-mode: standalone) {
    .status-bar-padding {
        padding-top: env(safe-area-inset-top);
    }
}

/* Android Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .android-input {
        background: #333;
        border-color: #555;
        color: #fff;
    }
    
    .android-nav {
        background: rgba(0,0,0,0.95);
    }
    
    .android-card {
        background: #1a1a1a;
        color: #fff;
    }
}

/* Android Performance Optimizations */
.android-optimized {
    will-change: transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    perspective: 1000px;
}

/* Android Image Optimizations */
.android-image {
    content-visibility: auto;
    contain-intrinsic-size: 0 200px;
    loading: lazy;
    decoding: async;
}

/* Android Video Optimizations */
.android-video {
    object-fit: cover;
    background: #000;
    border-radius: 8px;
}

/* Android Typography Optimizations */
.android-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Android Grid Layout Optimizations */
.android-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Android Flexbox Optimizations */
.android-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

/* Android Animation Optimizations */
.android-animation {
    animation-duration: 0.3s;
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    animation-fill-mode: both;
}

/* Android Haptic Feedback Class */
.haptic-feedback {
    position: relative;
}

.haptic-feedback:active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(220, 53, 69, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    to {
        transform: translate(-50%, -50%) scale(4);
        opacity: 0;
    }
}

/* Android Pull-to-Refresh Support */
.pull-to-refresh {
    position: relative;
    padding-top: 60px;
    margin-top: -60px;
    transition: margin-top 0.3s ease;
}

.pull-to-refresh.pulling {
    margin-top: 0;
}

.pull-indicator {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 24px;
    color: #dc3545;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pull-to-refresh.pulling .pull-indicator {
    opacity: 1;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translateX(-50%) rotate(360deg); }
}

/* Android Notification Badge */
.android-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Android Responsive Design */
@media (max-width: 480px) {
    .android-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .android-card {
        border-radius: 8px;
        margin: 8px;
    }
    
    .android-btn {
        min-height: 48px;
        font-size: 16px;
    }
    
    .android-input {
        font-size: 16px;
        padding: 16px;
    }
}

@media (max-width: 360px) {
    .android-flex {
        flex-direction: column;
        align-items: stretch;
    }
    
    .android-btn {
        width: 100%;
        margin-bottom: 8px;
    }
}

/* Android High DPI Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .android-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Android Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .android-animation {
        animation: none;
        transition: none;
    }
    
    .android-card:active {
        transform: none;
    }
    
    .android-btn:active {
        transform: none;
    }
}