/* Browser Compatibility & Cross-Browser Support - CoinMENA */

/* Reset for older browsers */
* {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

/* Flexbox fallback for older browsers */
.flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

/* Grid fallback */
.grid {
    display: -ms-grid;
    display: grid;
}

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

/* Viewport fixes for older iOS */
@supports (-webkit-touch-callout: none) {
    html {
        height: -webkit-fill-available;
    }
    
    body {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }
}

/* Fix for Safari 10.1+ */
@media not all and (min-resolution: 0.001dpcm) {
    @supports (-webkit-appearance: none) {
        .safari-fix {
            transform: translateZ(0);
        }
    }
}

/* Fix for Firefox */
@-moz-document url-prefix() {
    .firefox-fix {
        transform: translateZ(0);
    }
}

/* Fix for Edge/IE */
@supports (-ms-ime-align: auto) {
    .edge-fix {
        display: block;
    }
}

/* Touch action for better mobile performance */
* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* Better font rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Fix for iOS input zoom */
@media screen and (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="number"],
    input[type="tel"],
    input[type="url"],
    input[type="search"],
    textarea,
    select {
        font-size: 16px !important;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }
}

/* Fix for select dropdowns */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 0.75rem center;
    background-size: 1em;
    padding-right: 2.5rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Fix for rounded corners in older browsers */
.rounded-lg {
    border-radius: 0.5rem;
    -webkit-border-radius: 0.5rem;
    -moz-border-radius: 0.5rem;
}

/* Fix for shadows */
.shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    -webkit-box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    -moz-box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Fix for transitions */
.transition {
    -webkit-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    transition: all 0.2s ease;
}

/* Fix for transforms */
.transform {
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
}

/* Responsive images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Fix for RTL in older browsers */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="rtl"] .space-x-reverse > * + * {
    margin-right: 0.5rem;
    margin-left: 0;
}

/* Print styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a, a:visited {
        text-decoration: underline;
    }
    
    .no-print {
        display: none !important;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Landscape orientation */
@media screen and (orientation: landscape) and (max-height: 500px) {
    .landscape-adjust {
        padding: 1rem 0;
    }
}

/* Very small screens */
@media screen and (max-width: 320px) {
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    h1 {
        font-size: 1.5rem !important;
    }
    
    h2 {
        font-size: 1.25rem !important;
    }
}

/* Large screens */
@media screen and (min-width: 1920px) {
    .container {
        max-width: 1400px;
    }
}

/* Ultra-wide screens */
@media screen and (min-width: 2560px) {
    .container {
        max-width: 1600px;
    }
}

/* Tablet portrait */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .tablet-adjust {
        padding: 2rem 1rem;
    }
}

/* Tablet landscape */
@media screen and (min-width: 1024px) and (max-width: 1366px) and (orientation: landscape) {
    .tablet-landscape-adjust {
        padding: 1.5rem;
    }
}

/* Fix for sticky positioning in older browsers */
.sticky {
    position: -webkit-sticky;
    position: sticky;
}

/* Fix for backdrop-filter */
.backdrop-blur {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Fix for gradient backgrounds */
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background: -webkit-linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background: -moz-linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Fix for CSS Grid in older browsers */
@supports not (display: grid) {
    .grid {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    }
    
    .grid > * {
        -webkit-box-flex: 1;
        -ms-flex: 1 1 auto;
        flex: 1 1 auto;
    }
}

/* Fix for object-fit */
.object-cover {
    object-fit: cover;
    -o-object-fit: cover;
    font-family: 'object-fit: cover;';
}

/* Fix for will-change */
.will-change-transform {
    will-change: transform;
    -webkit-will-change: transform;
}

/* Performance optimizations */
.gpu-accelerated {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    will-change: transform;
    -webkit-will-change: transform;
}

/* Fix for overflow scrolling */
.overflow-auto {
    -webkit-overflow-scrolling: touch;
    overflow: auto;
}

/* Fix for text selection */
::selection {
    background-color: rgba(102, 126, 234, 0.3);
    color: inherit;
}

::-moz-selection {
    background-color: rgba(102, 126, 234, 0.3);
    color: inherit;
}

/* Fix for focus styles */
:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Fallback for browsers without :focus-visible */
:focus:not(:focus-visible) {
    outline: none;
}

/* Fix for dark mode in older browsers */
@media (prefers-color-scheme: dark) {
    .dark-mode-fallback {
        background-color: #1f2937;
        color: #f9fafb;
    }
}

/* Loading state for better UX */
.loading-state {
    pointer-events: none;
    opacity: 0.6;
    position: relative;
}

.loading-state::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    -webkit-animation: spin 1s linear infinite;
}

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

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