/* 原神加载动画样式 */
:root {
    --loadingbar-background-color: #f5f5f5;
    --loadingbar-prospect-color: #666666;
}

html.dark {
    --loadingbar-background-color: #2c2b30;
    --loadingbar-prospect-color: #ece5d8;
}

/* 原神加载条动画 */
.loading-genshin {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 62.5px;
    transform: translate(-50%, -50%) scale(0.8);
    user-select: none;
    overflow: hidden;
    pointer-events: none;
}

/* 背景层：完整进度条底图（含边框），颜色=背景色 */
.loading-genshin img {
    position: absolute;
    top: 1000px;
    left: 0;
    width: 500px;
    height: 62.5px;
    filter:
        brightness(1000%)
        drop-shadow(0 -1000px 0 var(--loadingbar-background-color));
}

/* 前景层：进度部分，颜色=前景色 */
.loading-genshin::after {
    content: "";
    position: absolute;
    top: 1000px;
    left: 0;
    width: 0;
    height: 62.5px;
    background: url("https://yuanshen.site/imgs/loading-bar.png") no-repeat left top;
    background-size: 500px 62.5px;
    filter:
        brightness(1000%) contrast(0.1)
        drop-shadow(0 -1000px 0 var(--loadingbar-prospect-color));
    animation: loading-bar 2.5s cubic-bezier(0.28, 0.11, 0.32, 1) infinite forwards;
}

@keyframes loading-bar {
    0% { width: 0; }
    100% { width: 500px; }
}

/* 响应式 */
@media screen and (max-width: 719px) {
    .loading-genshin { display: none; }
}

@media screen and (max-width: 719px) and (orientation: landscape) {
    .loading-genshin {
        display: block !important;
        transform: translate(-50%, -50%) scale(0.7) !important;
    }
}

/* 浏览器兼容提示 */
@supports not (filter: drop-shadow(0 0 0 #fff)) {
    .loading-genshin {
        width: auto !important;
        height: auto !important;
        background: none !important;
        transform: translate(-50%, -50%) !important;
        pointer-events: auto;
        padding: 12px 24px;
        border-radius: 8px;
        font-family: 'Microsoft YaHei', sans-serif;
        font-size: 16px;
        color: var(--loadingbar-prospect-color);
        background-color: var(--loadingbar-background-color);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .loading-genshin::before {
        content: "⚠️ 浏览器不支持动画效果";
    }
    .loading-genshin img { display: none; }
}