/* ============================================================
   视频弹窗播放器 Modal (video-modal.css)
   纯 CSS 实现暗幕遮罩 + 居中自适应视频窗口 + 动画过渡
   ============================================================ */

.video-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.88);
    z-index: 99999;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.video-modal-container {
    position: relative;
    width: 80vw;
    max-width: 80vw;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.6);
    transform: scale(0.9);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.video-modal-overlay.active .video-modal-container {
    transform: scale(1);
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    line-height: 1;
}

.video-modal-close:hover {
    background: rgba(255, 80, 80, 0.7);
    border-color: rgba(255, 80, 80, 0.9);
    transform: rotate(90deg);
}

/* 16:9 自适应容器 */
.video-modal-body {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 */
    height: 0;
    overflow: hidden;
}

.video-modal-body video,
.video-modal-body iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 播放按钮覆盖层（用于视频卡片上） */
.video-play-trigger {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    z-index: 2;
}

.video-play-trigger::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 18px;
    border-color: transparent transparent transparent #fff;
    margin-left: 4px;
}

.video-play-trigger:hover {
    background: rgba(233, 30, 99, 0.75);
    border-color: rgba(233, 30, 99, 0.9);
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 30px rgba(233, 30, 99, 0.5);
}

/* 脉冲动画 */
.video-play-trigger .pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    animation: pulse-expand 2s infinite;
}

@keyframes pulse-expand {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

/* 视频卡片封面图容器 */
.video-card-thumb {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.video-card-thumb img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card-thumb:hover img {
    transform: scale(1.05);
}

/* 加载指示器 */
.video-modal-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 14px;
    z-index: 1;
}

.video-modal-loading::before {
    content: '';
    display: block;
    width: 36px;
    height: 36px;
    margin: 0 auto 10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #e91e63;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}