/* Reading Challenge Widget & Popup Styles */
#gvm-reading-widget {
    position: fixed;
    left: 7vw;
    bottom: 2rem;
    width: 368px;
    background: #eff3f7;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    z-index: 9998;
    cursor: pointer;
    font-family: "PingFang TC", "Microsoft JhengHei", sans-serif;
    border: 1px solid #e0e6ed;
    margin: 0 1rem;

    /* 進場動畫設定 */
    overflow: visible;
    /* 允許關閉按鈕超出範圍 */
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.8s ease, visibility 0.8s;
}

#gvm-reading-widget .gvm-reading-widget__main {
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}

#gvm-reading-widget .gvm-reading-widget__progress {
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

@media screen and (max-width: 1540px) {
    #gvm-reading-widget {
        left: 0;
    }
}

#gvm-reading-widget.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#gvm-reading-widget.has-float-article {
    bottom: 160px;
}

#gvm-reading-widget.has-float-article-offset {
    bottom: 170px;
}

#gvm-reading-widget:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.gvm-reading-widget__close {
    position: absolute;
    top: -4px;
    right: 4px;
    width: auto;
    height: auto;
    background: transparent;
    border: none;
    border-radius: 0;
    color: #454545;
    font-size: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s ease;
    padding: 0;
    line-height: 1;
    box-shadow: none;
    font-weight: 300;
}

.gvm-reading-widget__close:hover {
    background: transparent;
    color: #000;
    transform: scale(1.1);
}

.gvm-reading-widget__main {
    display: flex;
    align-items: center;
    padding: 10px 10px;
    position: relative;
}

.gvm-reading-widget__icon-wrapper {
    width: 45px;
    height: 45px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    flex-shrink: 0;
    position: relative;
    /* 為了讓 SVG 定位 */
}

.gvm-reading-widget__border-svg {
    position: absolute;
    top: -2px;
    left: -2px;
    width: 49px;
    height: 49px;
    transform: rotate(-90deg);
    pointer-events: none;
    z-index: 1;
}

.gvm-reading-widget__border-circle {
    fill: none;
    stroke: #dcad33;
    /* 完成時的邊框顏色 */
    stroke-width: 2px;
    stroke-dasharray: 142;
    /* 2 * PI * r (22.5) ≈ 141.37 */
    stroke-dashoffset: 142;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-in-out;
}

#gvm-reading-widget.is-complete.is-visible .gvm-reading-widget__border-circle {
    animation: drawCircle 1s ease-out forwards;
}

@keyframes drawCircle {
    to {
        stroke-dashoffset: 0;
    }
}

.gvm-reading-widget__icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gvm-reading-widget__icon img {
    width: 27px;
    height: auto;
    display: block;
    opacity: 1;
    /* 第一、二階段透明度 */
    transition: opacity 0.3s ease;
}

#gvm-reading-widget.is-complete.is-visible .gvm-reading-widget__icon img {
    opacity: 1;
    /* 完成時不透明 */
    animation: trophyPop 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    animation-delay: 0.8s;
    /* 等邊框畫完再放大 */
}

@keyframes trophyPop {
    0% {
        transform: scale(1);
        opacity: 0.45;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.gvm-reading-widget__info {
    flex-grow: 1;
}

.gvm-reading-widget__label {
    font-size: 15px;
    color: #888;
    font-weight: 550;
}

.gvm-reading-widget__status {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.gvm-reading-widget__more {
    font-size: 16px;
    color: #0056b3;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.gvm-reading-widget__more .gvm-arrow {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-top: 2px solid #0056b3;
    border-right: 2px solid #0056b3;
    transform: rotate(45deg);
    margin-left: 4px;
}

.gvm-reading-widget__progress {
    height: 4px;
    background: #dce6f0;
    width: 100%;
}

.gvm-reading-widget__bar {
    height: 100%;
    background: #0056b3;
    width: 0%;
    transition: width 0.8s ease;
}

#gvm-reading-widget.is-complete {
    background: #e7f0f8;
}

/* Modal */
.gvm-reading-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;

    /* 動態設定 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.gvm-reading-modal.is-visible {
    opacity: 1;
    visibility: visible;
}

.gvm-reading-modal__overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.gvm-reading-modal__content {
    position: relative;
    background: #fff;
    width: 90%;
    max-width: 350px;
    border-radius: 16px;
    overflow: hidden;
    margin: auto;
    /* 在 Flex 容器中強制居中 */

    /* 縮放與位移動態 */
    transform: scale(0.9) translateY(40px);
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.gvm-reading-modal.is-visible .gvm-reading-modal__content {
    transform: scale(1) translateY(0);
}

.gvm-reading-modal__img {
    width: 100%;
    object-fit: cover;
    display: block;
}

.gvm-reading-modal__body {
    padding: 24px;
    text-align: center;
}

.gvm-reading-modal__title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #0056b3;
}

.gvm-reading-modal__desc {
    font-size: 15px;
    color: #666;
    margin-bottom: 24px;
    text-align: left;
}

.gvm-reading-modal__btn {
    display: block;
    padding: 12px;
    background: #004ea1;
    color: #fff !important;
    border-radius: 8px;
    text-decoration: none !important;
    text-align: center;
    transition: background 0.3s ease, opacity 0.3s ease;
}

.gvm-reading-modal__btn:hover {
    background-color: #1660cb;
    color: #fff !important;
    text-decoration: none !important;
    opacity: 0.9;
}

.gvm-reading-modal__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.7);
    border: none;
    border-radius: 50%;
    color: #333;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background 0.3s ease;
    padding: 0;
    line-height: 1.1;
}

.gvm-reading-modal__close:hover {
    background: rgba(255, 255, 255, 0.9);
}

@media screen and (max-width: 768px) {
    #gvm-reading-widget {
        left: 0;
        bottom: 2rem;
        width: 87vw;
        margin: 0 1rem;
    }

    #gvm-reading-widget.has-float-article {
        bottom: 150px;
    }

    #gvm-reading-widget .gvm-more-text {
        display: none;
    }

    /* 當 Widget 顯示時，將 GoTop 按鈕往上移 */
    body:has(#gvm-reading-widget.is-visible) .footer .gotop {
        bottom: 245px !important;
    }
}