/*
 * WeChat QR Code 彈出視窗專用樣式。
 * 使用獨立檔案與較高選擇器優先權，避免舊版網站 CSS 或瀏覽器快取影響彈窗。
 */

html body #wechatQrModal.wechat-qr-modal {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    z-index: 2147483000 !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    margin: 0 !important;
    padding: 16px !important;

    visibility: hidden !important;
    opacity: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
    box-sizing: border-box !important;
    transform: none !important;
    transition: opacity 0.2s ease, visibility 0.2s ease !important;
}

html body #wechatQrModal.wechat-qr-modal.is-open {
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

html body #wechatQrModal .wechat-qr-modal__backdrop {
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    z-index: 0 !important;

    display: block !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    background: rgba(0, 0, 0, 0.78) !important;
}

html body #wechatQrModal .wechat-qr-modal__dialog {
    position: relative !important;
    z-index: 1 !important;

    display: block !important;
    width: min(92vw, 430px) !important;
    max-width: 430px !important;
    max-height: calc(100vh - 32px) !important;
    max-height: calc(100dvh - 32px) !important;
    margin: 0 !important;
    padding: 24px 18px 18px !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;

    color: #222 !important;
    text-align: center !important;
    background: #fff !important;
    border: 0 !important;
    border-radius: 18px !important;
    box-sizing: border-box !important;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42) !important;
    transform: none !important;
}

html body #wechatQrModal .wechat-qr-modal__close {
    position: absolute !important;
    top: 9px !important;
    right: 9px !important;
    z-index: 2 !important;

    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 42px !important;
    height: 42px !important;
    margin: 0 !important;
    padding: 0 !important;

    color: #222 !important;
    font-size: 20px !important;
    line-height: 1 !important;
    background: #eee !important;
    border: 0 !important;
    border-radius: 50% !important;
    box-shadow: none !important;
    cursor: pointer !important;
}

html body #wechatQrModal .wechat-qr-modal__title {
    margin: 0 48px 3px !important;
    padding: 0 !important;
    color: #111 !important;
    font-family: Arial, sans-serif !important;
    font-size: 24px !important;
    font-weight: 700 !important;
    line-height: 1.3 !important;
    text-align: center !important;
}

html body #wechatQrModal .wechat-qr-modal__account {
    margin: 0 0 12px !important;
    padding: 0 !important;
    color: #555 !important;
    font-family: Arial, sans-serif !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    line-height: 1.4 !important;
    text-align: center !important;
}

html body #wechatQrModal .wechat-qr-modal__image {
    display: block !important;
    width: auto !important;
    height: auto !important;
    max-width: min(100%, 350px) !important;
    max-height: 60vh !important;
    max-height: 60dvh !important;
    margin: 0 auto !important;
    padding: 0 !important;
    object-fit: contain !important;
    border: 0 !important;
}

html body #wechatQrModal .wechat-qr-modal__hint {
    margin: 12px 0 0 !important;
    padding: 0 !important;
    color: #555 !important;
    font-family: Arial, "Microsoft JhengHei", sans-serif !important;
    font-size: 15px !important;
    line-height: 1.5 !important;
    text-align: center !important;
}

html body.wechat-modal-open {
    overflow: hidden !important;
}

/* 即使 mobile-social-float.css 尚未更新，也確保 WeChat 按鈕具有正確底色。 */
@media screen and (max-width: 768px) {
    html body #btnOpenWechatQr.mobile-social-float__button--wechat {
        color: #fff !important;
        background-color: #07c160 !important;
    }
}

@media screen and (max-width: 375px) {
    html body #wechatQrModal.wechat-qr-modal {
        padding: 10px !important;
    }

    html body #wechatQrModal .wechat-qr-modal__dialog {
        width: 96vw !important;
        max-height: calc(100dvh - 20px) !important;
        padding: 20px 12px 14px !important;
    }

    html body #wechatQrModal .wechat-qr-modal__image {
        max-height: 58dvh !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    html body #wechatQrModal.wechat-qr-modal {
        transition: none !important;
    }
}