/**
 * Swap Mobile Gallery - CSS
 * Version: 1.0.0
 */

/* Loader */
.smg-loader {
    width: 100%;
    height: 60vw;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    gap: 20px;
}

.smg-loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: #fff;
    border-radius: 50%;
    animation: smg-spin 0.8s linear infinite;
}

.smg-loader-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

/* Container principale */
.smg-gallery {
    width: 100%;
    position: relative;
    margin: 0;
    padding: 0;
    background: #000;
}

/* Swiper container */
.smg-gallery .swiper {
    width: 100%;
    height: 100vw;
    max-height: 500px;
    position: relative;
}

/* Slide */
.smg-gallery .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
}

.smg-gallery .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    user-select: none;
    -webkit-user-select: none;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* Paginazione */
.smg-gallery .swiper-pagination {
    bottom: 15px !important;
    z-index: 10;
}

.smg-gallery .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: #fff;
    opacity: 0.5;
    margin: 0 4px !important;
    transition: all 0.3s ease;
}

.smg-gallery .swiper-pagination-bullet-active {
    opacity: 1;
    width: 24px;
    border-radius: 4px;
    background: #fff;
}

/* Frecce di navigazione */
.smg-gallery .swiper-button-prev,
.smg-gallery .swiper-button-next {
    color: #fff;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: all 0.2s ease;
}

.smg-gallery .swiper-button-prev:after,
.smg-gallery .swiper-button-next:after {
    font-size: 18px;
    font-weight: bold;
}

.smg-gallery .swiper-button-prev:active,
.smg-gallery .swiper-button-next:active {
    transform: scale(0.95);
    background: rgba(0, 0, 0, 0.6);
}

.smg-gallery .swiper-button-prev:focus,
.smg-gallery .swiper-button-next:focus,
.smg-gallery .swiper-pagination-bullet:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Contatore immagini */
.smg-gallery .smg-counter {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    z-index: 10;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.smg-gallery .smg-counter .current {
    font-weight: 700;
}

/* Zoom */
.smg-gallery .swiper-slide-zoomed {
    cursor: move;
}

.smg-gallery .swiper-zoom-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

/* Lazy loading */
.smg-gallery .swiper-lazy-loading {
    opacity: 0.5;
}

.smg-gallery .swiper-lazy-loaded {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.smg-gallery .swiper-lazy-preloader {
    width: 42px;
    height: 42px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -21px;
    margin-top: -21px;
    z-index: 10;
    transform-origin: 50%;
    animation: smg-preloader-spin 1s infinite linear;
    box-sizing: border-box;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
}

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

/* Ottimizzazioni performance */
.smg-gallery * {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

.smg-gallery .swiper-wrapper {
    transition-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Responsive - Schermi piccoli */
@media (max-width: 480px) {
    .smg-gallery .swiper-button-prev,
    .smg-gallery .swiper-button-next {
        width: 32px;
        height: 32px;
    }
    
    .smg-gallery .swiper-button-prev:after,
    .smg-gallery .swiper-button-next:after {
        font-size: 14px;
    }
    
    .smg-gallery .smg-counter {
        font-size: 12px;
        padding: 5px 10px;
    }
}

/* Tablet - dimensioni intermedie */
@media (min-width: 481px) and (max-width: 767px) {
    .smg-gallery .swiper {
        height: 400px;
    }
}

/* Desktop - nascondi la gallery mobile */
@media (min-width: 768px) {
    .smg-gallery {
        display: none !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .smg-gallery {
        background: #121212;
    }
    
    .smg-gallery .swiper-slide {
        background: #121212;
    }
}