/**
 * 翻书效果样式
 */

#ebook-reader-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#ebook-book-container {
    position: relative;
    width: 100%;
    min-height: 600px;
    margin: 0 auto;
    perspective: 2000px;
    overflow: hidden;
    background: linear-gradient(to right, #e0e0e0 0%, #f5f5f5 50%, #e0e0e0 100%);
}

.ebook-page {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: white;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transform-origin: center center;
    transition: transform 0.6s cubic-bezier(0.645, 0.045, 0.355, 1.000), left 0.6s cubic-bezier(0.645, 0.045, 0.355, 1.000);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 20px;
    box-sizing: border-box;
}

.ebook-page canvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 页面阴影效果 */
.ebook-page::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.1));
    pointer-events: none;
}

.ebook-page::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(to left, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.1));
    pointer-events: none;
}

/* 翻页动画 */
.ebook-page.flipping {
    transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1.000);
}

.ebook-page.flipped {
    transform: rotateY(-180deg);
    opacity: 0.5;
}

.ebook-page.flipped-right {
    transform: rotateY(180deg);
    opacity: 0.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    #ebook-book-container {
        height: 400px;
    }

    .ebook-page {
        width: 100%;
        padding: 10px;
    }

    .ebook-page::before,
    .ebook-page::after {
        display: none;
    }
}

@media (max-width: 480px) {
    #ebook-book-container {
        height: 300px;
    }

    .ebook-page {
        padding: 5px;
    }
}