/* ========== B站风格加载动画 ========== */

/* 隐藏默认加载动画 */
.artplayer .art-loading {
    display: none !important;
}

/* 自定义B站风格加载动画容器 */
.bilibili-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bilibili-loading.show {
    opacity: 1;
}

/* B站风格旋转圆圈 */
.bilibili-spinner {
    width: 48px;
    height: 48px;
    position: relative;
}

.bilibili-spinner::before,
.bilibili-spinner::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid transparent;
}

.bilibili-spinner::before {
    border-top-color: #fb7299;
    animation: bilibili-spin 1s linear infinite;
}

.bilibili-spinner::after {
    border-bottom-color: #00a1d6;
    animation: bilibili-spin 1s linear infinite reverse;
    width: 36px;
    height: 36px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes bilibili-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* B站风格加载文字 */
.bilibili-loading-text {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 13px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

/* 缓冲进度条 - B站风格 */
.bilibili-buffering {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    overflow: hidden;
    z-index: 99;
}

.bilibili-buffering-bar {
    height: 100%;
    background: linear-gradient(90deg, #fb7299, #00a1d6);
    animation: bilibili-buffering 1.5s ease-in-out infinite;
    transform-origin: left;
}

@keyframes bilibili-buffering {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}