/**
 * 电子书阅读器样式
 */

.ebook-reader-wrapper {
    position: relative;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 8px;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    border-radius: 6px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 加载动画遮罩层 */
.ebook-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 6px;
    z-index: 100;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.ebook-loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

/* 加载旋转动画 */
.ebook-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 115, 170, 0.2);
    border-top-color: #0073aa;
    border-radius: 50%;
    animation: ebook-spin 0.8s ease-in-out infinite;
}

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

/* 加载文字 */
.ebook-loading-text {
    margin-top: 16px;
    font-size: 14px;
    color: #0073aa;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* 加载进度条容器 */
.ebook-loading-progress-container {
    width: 300px;
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 20px;
    position: relative;
}

/* 加载进度条 */
.ebook-loading-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #0073aa 0%, #00a0d2 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
}

/* 进度条光效动画 */
.ebook-loading-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%
    );
    animation: progressShine 1.5s ease-in-out infinite;
}

@keyframes progressShine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* 进度百分比文字 */
.ebook-loading-progress-text {
    margin-top: 12px;
    font-size: 13px;
    color: #666;
    font-weight: 500;
    min-height: 20px;
}

/* 暗色模式下的进度条 */
.ebook-reader-wrapper.theme-dark .ebook-loading-progress-container,
.ebook-reader-wrapper.theme-auto[data-dark="true"] .ebook-loading-progress-container {
    background: rgba(255, 255, 255, 0.15);
}

.ebook-reader-wrapper.theme-dark .ebook-loading-progress-text,
.ebook-reader-wrapper.theme-auto[data-dark="true"] .ebook-loading-progress-text {
    color: #aaa;
}

/* 暗色模式下的加载动画 */
.ebook-reader-wrapper.theme-dark .ebook-loading-overlay,
.ebook-reader-wrapper.theme-auto[data-dark="true"] .ebook-loading-overlay {
    background: rgba(26, 26, 26, 0.95);
}

.ebook-reader-wrapper.theme-dark .ebook-loading-text,
.ebook-reader-wrapper.theme-auto[data-dark="true"] .ebook-loading-text {
    color: #0073aa;
}

/* 翻页时的加载动画 */
.ebook-page-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    pointer-events: none;
    z-index: 50;
}

.ebook-page-loading .ebook-loading-spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

.ebook-page-loading .ebook-loading-text {
    font-size: 12px;
    margin-top: 0;
}

.ebook-reader-wrapper.theme-auto {
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    color: #333;
}

/* 自动适配:根据系统暗色模式 */
@media (prefers-color-scheme: dark) {
    .ebook-reader-wrapper.theme-auto {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
        color: #fff;
    }
}

/* 自动适配:根据OneNav主题类 */
body.dark-mode .ebook-reader-wrapper.theme-auto {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.ebook-reader-wrapper.theme-dark {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.ebook-reader-wrapper.theme-light {
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    color: #333;
}

/* 头部样式 */
.ebook-header {
    text-align: center;
    margin-bottom: 12px;
}

.ebook-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 6px;
    letter-spacing: 0.02em;
}

/* 工具栏样式 */
.ebook-toolbar {
    margin-top: 12px;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.ebook-toolbar-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.ebook-toolbar-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 按钮样式 */
.ebook-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #0073aa 0%, #005a8a 100%);
    color: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.01em;
    box-shadow: 0 2px 4px rgba(0, 115, 170, 0.3);
}

.ebook-btn:hover {
    background: linear-gradient(135deg, #005a8a 0%, #004466 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 115, 170, 0.4);
}

.ebook-btn:active {
    transform: translateY(0);
}

.ebook-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.ebook-btn.active {
    background: linear-gradient(135deg, #00a0d2 0%, #0078a8 100%);
    box-shadow: 0 0 0 3px rgba(0, 160, 210, 0.3), 0 4px 12px rgba(0, 160, 210, 0.4);
}

/* 图标按钮 */
.ebook-btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 115, 170, 0.25);
}

.ebook-btn-icon:hover {
    box-shadow: 0 4px 16px rgba(0, 115, 170, 0.35);
}

.ebook-btn-icon .ebook-icon {
    font-size: 20px;
    line-height: 1;
    font-weight: 300;
}

/* 小按钮 */
.ebook-btn-small {
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
}

/* 页码信息 */
.ebook-page-info {
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 8px;
    font-weight: 600;
    font-size: 18px;
    min-width: 100px;
    text-align: center;
    letter-spacing: 0.01em;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ebook-divider {
    margin: 0 6px;
    opacity: 0.4;
    font-weight: 400;
}

/* 页码跳转 */
.ebook-page-jump {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ebook-page-input {
    width: 100px;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    text-align: center;
    font-size: 15px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.95);
    transition: all 0.25s ease;
    cursor: text;
    pointer-events: auto !important;
    user-select: text !important;
    z-index: 1000 !important;
}

.ebook-page-input:focus {
    outline: none;
    border-color: #0073aa;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 115, 170, 0.15);
    transform: scale(1.02);
}

/* 全屏包装器 */
#ebook-fullscreen-wrapper {
    position: relative;
    width: 100%;
}

/* 书籍容器 */
#ebook-book-container {
    position: relative;
    width: 100%;
    height: 800px;
    margin: 0 auto;
    perspective: 2500px;
    overflow: hidden;
    background: linear-gradient(to right, #ddd 0%, #eee 2%, #ffffff 49.5%, #ffffff 50.5%, #eee 98%, #ddd 100%);
    border-radius: 8px;
    box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.15), 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* 页面样式 */
.ebook-page {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: transparent;
    box-shadow: none;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transform-origin: center center;
    transition: none;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0;
    box-sizing: border-box;
}

.ebook-page canvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
    box-shadow: none;
}

.ebook-page-left {
    left: 0;
    transform-origin: right center;
}

.ebook-page-right {
    left: 50%;
    transform-origin: left center;
}

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

.page-flipping-right {
    animation: flipRight 0.8s cubic-bezier(0.645, 0.045, 0.355, 1.000);
}

@keyframes flipLeft {
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(-90deg);
    }
    100% {
        transform: rotateY(-180deg);
    }
}

@keyframes flipRight {
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(90deg);
    }
    100% {
        transform: rotateY(180deg);
    }
}

/* 错误提示 */
.ebook-error {
    text-align: center;
    padding: 50px;
    color: #dc3232;
    background: #fff;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
}

/* 深色模式适配 */
.ebook-reader-wrapper.theme-dark .ebook-btn {
    background: linear-gradient(135deg, #5a5a5a 0%, #4a4a4a 100%);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

.ebook-reader-wrapper.theme-dark .ebook-btn:hover {
    background: linear-gradient(135deg, #6a6a6a 0%, #5a5a5a 100%);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.15);
}

.ebook-reader-wrapper.theme-dark .ebook-page-info,
.ebook-reader-wrapper.theme-dark .ebook-page-input {
    background: rgba(255, 255, 255, 0.08);
    border-color: #555;
    color: #fff;
}

.ebook-reader-wrapper.theme-dark .ebook-page-input:focus {
    border-color: #00a0d2;
    box-shadow: 0 0 0 4px rgba(0, 160, 210, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.ebook-reader-wrapper.theme-dark .ebook-toolbar {
    background: rgba(255, 255, 255, 0.06);
}

/* 护眼模式 */
.ebook-reader-wrapper.eyecare-mode #ebook-book-container {
    background: #e8e4d6 !important;
}

.ebook-reader-wrapper.eyecare-mode .ebook-page {
    filter: sepia(0.3) brightness(0.95);
}

/* 暗色模式护眼 */
.ebook-reader-wrapper.theme-dark.eyecare-mode #ebook-book-container {
    background: #4a4a3e !important;
}

.ebook-reader-wrapper.theme-auto.eyecare-mode #ebook-book-container,
body.dark-mode .ebook-reader-wrapper.eyecare-mode #ebook-book-container {
    background: #4a4a3e !important;
}

/* 全屏模式 */
#ebook-fullscreen-wrapper:-webkit-full-screen,
#ebook-fullscreen-wrapper:fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    display: flex !important;
    flex-direction: column !important;
    background: #f5f5f5 !important;
    padding: 0 !important;
}

#ebook-fullscreen-wrapper:-webkit-full-screen #ebook-book-container,
#ebook-fullscreen-wrapper:fullscreen #ebook-book-container {
    flex: 1 !important;
    height: calc(100vh - 80px) !important;
    border-radius: 0 !important;
    max-width: none !important;
}

#ebook-fullscreen-wrapper:-webkit-full-screen .ebook-page,
#ebook-fullscreen-wrapper:fullscreen .ebook-page {
    padding: 0 !important;
}

#ebook-fullscreen-wrapper:-webkit-full-screen .ebook-toolbar,
#ebook-fullscreen-wrapper:fullscreen .ebook-toolbar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    z-index: 1000 !important;
    background: transparent !important;
    border: none !important;
    padding: 15px 20px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

/* 全屏护眼模式 */
#ebook-fullscreen-wrapper:-webkit-full-screen .eyecare-mode #ebook-book-container,
#ebook-fullscreen-wrapper:fullscreen .eyecare-mode #ebook-book-container {
    background: #e8e4d6 !important;
}

#ebook-fullscreen-wrapper:-webkit-full-screen .ebook-toolbar .ebook-toolbar-row,
#ebook-fullscreen-wrapper:fullscreen .ebook-toolbar .ebook-toolbar-row {
    width: 100% !important;
    max-width: 1600px !important;
    margin: 0 auto !important;
}

/* 移除焦点轮廓，解决按下方向键时出现蓝色边框的问题 */
#ebook-book-container:focus,
.ebook-page:focus,
.ebook-page canvas:focus,
#ebook-reader-container:focus,
.ebook-header:focus,
.ebook-title:focus,
.ebook-toolbar:focus,
.ebook-toolbar-row:focus,
.ebook-toolbar-group:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* 确保所有交互元素都没有默认的焦点轮廓 */
.ebook-reader-wrapper *:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* 特别处理可能出现的焦点边框 */
.ebook-reader-wrapper *::-moz-focus-inner {
    border: 0 !important;
}

/* 移除任何可能的焦点高亮 */
.ebook-reader-wrapper * {
    -webkit-tap-highlight-color: transparent !important;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    #ebook-book-container {
        height: 650px;
    }
}

@media (max-width: 768px) {
    #ebook-book-container {
        height: 500px;
    }

    #ebook-fullscreen-wrapper:-webkit-full-screen #ebook-book-container,
    #ebook-fullscreen-wrapper:fullscreen #ebook-book-container {
        height: calc(100vh - 140px);
    }
}

@media (max-width: 480px) {
    #ebook-book-container {
        height: 400px;
    }

    #ebook-fullscreen-wrapper:-webkit-full-screen #ebook-book-container,
    #ebook-fullscreen-wrapper:fullscreen #ebook-book-container {
        height: calc(100vh - 140px);
    }

    .ebook-page {
        width: 100%;
        padding: 0;
    }

    .ebook-page-right {
        left: 0;
        display: none;
    }

    .ebook-toolbar-row {
        flex-direction: column;
        gap: 12px;
    }

    .ebook-toolbar-group {
        width: 100%;
        justify-content: center;
    }

    .ebook-btn {
        flex: 1;
        min-width: 90px;
        padding: 10px 14px;
        font-size: 13px;
    }

    .ebook-btn-icon {
        width: 44px;
        height: 44px;
    }

    .ebook-btn-icon .ebook-icon {
        font-size: 18px;
    }

    .ebook-page-info {
        font-size: 16px;
        min-width: 90px;
        padding: 10px 16px;
    }

    .ebook-page-input {
        width: 90px;
        padding: 10px 14px;
    }

    .ebook-reader-wrapper {
        padding: 12px;
    }

    .ebook-title {
        font-size: 18px;
    }
}