html.size-guide-open,
body.size-guide-open {
    overflow: hidden !important;
    overscroll-behavior: none !important;
}

/* Dialog */
#sizeGuideModal.size-guide-dialog {
    position: fixed !important;
    inset: 0 !important;
    margin: auto !important;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
    width: fit-content !important;
    height: fit-content !important;
    max-width: none !important;
    max-height: none !important;
    background: transparent !important;
    overflow: visible !important;
    direction: rtl;
    opacity: 0;
    transition: opacity 0.35s ease;
}

/* Backdrop */
#sizeGuideModal::backdrop {
    background: rgba(0, 0, 0, 0);
    transition: background 0.35s ease;
}

#sizeGuideModal.is-open::backdrop {
    background: rgba(0, 0, 0, 0.72);
}

#sizeGuideModal.is-closing::backdrop {
    background: rgba(0, 0, 0, 0);
}

/* Modal Content */
#sizeGuideModal .size-guide-dialog-content {
    position: relative;
    width: min(90vw, 700px);
    max-height: 90vh;
    box-sizing: border-box;
    padding: 24px;
    margin: 0;
    background: #fff;
    border-radius: 16px;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.40);
    opacity: 0;
    transform: translateY(18px) scale(0.97);
    transition: opacity 0.35s ease,
                transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Open State */
#sizeGuideModal.is-open {
    opacity: 1;
}

#sizeGuideModal.is-open .size-guide-dialog-content {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Closing State */
#sizeGuideModal.is-closing {
    opacity: 0;
}

#sizeGuideModal.is-closing .size-guide-dialog-content {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
}

/* Title */
#sizeGuideModal .size-guide-title {
    margin: 0 45px 20px;
    padding: 0;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    color: #111;
}

/* Close Button */
#sizeGuideModal .close-cart-btn {
    transition: background 0.2s ease, transform 0.2s ease;
}

#sizeGuideModal .close-cart-btn:hover {
    background: #ef4444;
    transform: scale(1.05);
}

#sizeGuideModal .close-cart-btn i {
    color: #666;
    transition: color 0.2s ease;
}

#sizeGuideModal .close-cart-btn:hover i {
    color: #fff;
}

/* Image */
#sizeGuideModal .size-guide-image-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#sizeGuideModal .size-guide-image {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: calc(90vh - 100px);
    margin: 0 auto;
    object-fit: contain;
    border-radius: 10px;
}

/* Mobile */
@media (max-width: 600px) {
    #sizeGuideModal .size-guide-dialog-content {
        width: calc(100vw - 20px);
        max-height: calc(100dvh - 20px);
        padding: 18px;
        border-radius: 12px;
    }

    #sizeGuideModal .size-guide-title {
        margin: 0 40px 16px;
        font-size: 18px;
    }

    #sizeGuideModal .size-guide-image {
        max-height: calc(100dvh - 100px);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    #sizeGuideModal,
    #sizeGuideModal::backdrop,
    #sizeGuideModal .size-guide-dialog-content {
        transition: none !important;
    }
}