/**
 * Mobile-Specific Enhancements
 * Lab Grown Diamond CVD - Improved Touch & Mobile UX
 */

/* ===========================
   Touch-Friendly Buttons
   =========================== */
@media (max-width: 768px) {
    /* Ensure all buttons have minimum 44x44px touch target (WCAG 2.1 Level AAA) */
    button,
    .button,
    .luxury-btn,
    a.button,
    input[type="submit"],
    input[type="button"] {
        min-height: 44px;
        padding: 12px 20px;
    }

    /* Utility buttons in header */
    .lgd-header__utility-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 12px;
    }

    /* Filter checkboxes */
    .lgd-filter-checkbox input[type="checkbox"] {
        min-width: 24px;
        min-height: 24px;
    }

    /* Quick view button */
    .lgd-product-card__quick-view {
        min-height: 44px;
        padding: 12px 20px;
    }

    /* Notification styles for mobile */
    .lgd-notification {
        left: 10px !important;
        right: 10px !important;
        max-width: calc(100% - 20px) !important;
        top: 10px !important;
    }
}

/* ===========================
   Mobile Navigation Improvements
   =========================== */
@media (max-width: 768px) {
    /* Make mobile menu items easier to tap */
    .lgd-mobile-nav .menu-item > a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Larger tap area for menu toggle */
    .lgd-header__mobile-toggle {
        min-width: 44px;
        min-height: 44px;
    }

    /* Prevent text selection on mobile buttons */
    button,
    .button,
    .luxury-btn,
    a[role="button"] {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}

/* ===========================
   Form Input Improvements
   =========================== */
@media (max-width: 768px) {
    /* Ensure inputs are easily tappable */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="number"],
    input[type="search"],
    select,
    textarea {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Quantity inputs */
    .quantity input[type="number"] {
        min-height: 44px;
        min-width: 60px;
    }
}

/* ===========================
   Product Card Improvements
   =========================== */
@media (max-width: 768px) {
    /* Larger product cards for easier browsing */
    .lgd-product-card {
        margin-bottom: 20px;
    }

    /* Ensure product images are tappable */
    .lgd-product-card__image a {
        display: block;
        min-height: 200px;
    }

    /* Compare checkbox larger on mobile */
    .lgd-product-card__compare-icon {
        width: 44px;
        height: 44px;
    }
}

/* ===========================
   Smooth Scrolling
   =========================== */
html {
    scroll-behavior: smooth;
}

/* Disable on devices that prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===========================
   Focus Indicators for Accessibility
   =========================== */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #0047AB;
    outline-offset: 2px;
}

/* Hide focus for mouse users, show for keyboard users */
.js-focus-visible :focus:not(.focus-visible) {
    outline: none;
}

/* ===========================
   Safe Area Padding for Notched Devices
   =========================== */
@supports (padding: max(0px)) {
    .lgd-header__top-bar,
    .lgd-header__main,
    .lgd-footer__main,
    .lgd-footer__bottom {
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
}

/* ===========================
   Landscape Mode Optimizations
   =========================== */
@media (max-width: 768px) and (orientation: landscape) {
    /* Reduce header height in landscape */
    .lgd-header__main {
        padding: 10px 0;
    }

    /* Adjust hero section height */
    .luxury-hero {
        min-height: 70vh;
    }

    /* Make filter sidebar full-screen in landscape */
    .lgd-plp-sidebar {
        width: 100%;
        max-width: 100%;
    }
}

/* ===========================
   Loading States
   =========================== */
.loading {
    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 #0047AB;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===========================
   Sticky Elements on Mobile
   =========================== */
@media (max-width: 768px) {
    /* Ensure sticky header doesn't overlap content */
    .lgd-header.sticky + * {
        padding-top: 60px;
    }

    /* Sticky toolbar in PLPs */
    .lgd-plp-toolbar {
        position: sticky;
        top: 60px;
        background: #fff;
        z-index: 10;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
}

/* ===========================
   Pull-to-Refresh Compatibility
   =========================== */
body {
    overscroll-behavior-y: contain;
}

/* ===========================
   Image Loading Optimization
   =========================== */
img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Lazy-loaded images */
img[loading="lazy"] {
    background: #f0f0f0;
}

/* ===========================
   Typography Readability on Mobile
   =========================== */
@media (max-width: 480px) {
    /* Ensure minimum font sizes for readability */
    body {
        font-size: 14px;
        line-height: 1.6;
    }

    /* Prevent tiny text */
    * {
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }

    /* Readable links */
    a {
        text-decoration: underline;
    }

    .luxury-btn,
    .button,
    button {
        text-decoration: none;
    }
}