/* --- 阅读器样式 (css/modules/reader.css) --- */

/* 书架页面 */
.reader-bookshelf-content {
    padding: 15px;
    background-color: #f5f5f5;
    min-height: 100%;
}

.bookshelf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 15px;
}

.book-item {
    background: #fff;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s;
    position: relative;
}

.book-item:active {
    transform: scale(0.95);
}

.book-cover {
    width: 80px;
    height: 110px;
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 24px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}

.book-title {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-all;
}

.book-author {
    font-size: 11px;
    color: #888;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.book-progress {
    font-size: 10px;
    color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.1);
    padding: 2px 6px;
    border-radius: 10px;
}

.book-delete-btn {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: #ff4d4f;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    border: none;
    cursor: pointer;
    z-index: 10;
    display: none;
}

.book-item.edit-mode .book-delete-btn {
    display: flex;
    animation: shake 0.5s infinite;
}

@keyframes shake {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(-2deg); }
    50% { transform: rotate(0deg); }
    75% { transform: rotate(2deg); }
    100% { transform: rotate(0deg); }
}

.upload-book-btn {
    background: transparent;
    border: 2px dashed #ccc;
    color: #888;
    box-shadow: none;
}
.upload-book-btn .book-cover {
    background: transparent;
    color: #ccc;
    font-size: 36px;
    box-shadow: none;
}

/* 阅读器页面 */
.reader-view-screen {
    background-color: #f4ecd8; /* 默认护眼色 */
    transition: background-color 0.3s;
}

.reader-header {
    background: var(--reader-panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s, background-color 0.3s;
}

.reader-header.hidden {
    transform: translateY(-100%);
}

.reader-header .title,
.reader-header .back-btn {
    color: var(--reader-text-color);
}

.reader-view-screen {
    background-color: var(--reader-bg-color, #f4ecd8);
    background-image: var(--reader-bg-image, none);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--reader-text-color, #333);
    transition: background-color 0.3s, color 0.3s;
    --reader-font-size: 18px;
    --reader-line-height: 1.8;
    --reader-paragraph-spacing: 0.8em;
    --reader-text-indent: 0; /* 尊重原文排版，不强制缩进 */
    --reader-panel-bg: rgba(255, 255, 255, 0.85); /* 弹窗和目录的默认背景 */
    z-index: 1000; /* 确保阅读器在最上层 */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.reader-content {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden; /* 禁用原生滚动 */
    padding-top: var(--reader-margin-top, 60px);
    padding-bottom: var(--reader-margin-bottom, 60px);
    padding-left: var(--reader-margin-left, 20px);
    padding-right: var(--reader-margin-right, 20px);
    box-sizing: border-box;
}

.reader-text-container {
    height: 100%;
    width: 100%;
    column-width: calc(100vw - 40px);
    column-gap: 40px;
    box-sizing: border-box;
    transition: transform 0.3s ease-out;
    will-change: transform;
}

.reader-text-container p {
    font-size: var(--reader-font-size);
    line-height: var(--reader-line-height);
    margin-bottom: var(--reader-paragraph-spacing);
    text-indent: var(--reader-text-indent);
    color: var(--reader-text-color);
    text-align: justify;
    font-family: 'Georgia', 'Times New Roman', serif;
    word-break: break-word;
    white-space: pre-wrap; /* 保留原文的空格和换行 */
}

.reader-chapter-title {
    font-size: calc(var(--reader-font-size) * 1.5);
    font-weight: bold;
    margin-bottom: 30px;
    text-align: center;
    color: var(--reader-text-color);
}

/* 触控区域 */
.reader-touch-zone {
    position: absolute;
    top: 60px;
    bottom: 60px;
    z-index: 10;
    pointer-events: none; /* 允许事件穿透到文字上 */
}
.reader-touch-zone.left {
    left: 0;
    width: 30%;
}
.reader-touch-zone.center {
    left: 30%;
    width: 40%;
}
.reader-touch-zone.right {
    right: 0;
    width: 30%;
}

.reader-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: var(--reader-panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    transition: transform 0.3s, background-color 0.3s;
    z-index: 100;
}

.reader-footer.hidden {
    transform: translateY(100%);
}

.reader-footer-btn {
    background: none;
    border: none;
    color: var(--reader-text-color);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    opacity: 0.8;
}

.reader-progress-info {
    font-size: 12px;
    color: var(--reader-text-color);
    opacity: 0.6;
}

/* 目录侧边栏 */
.reader-toc-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.reader-toc-overlay.active {
    display: block;
    opacity: 1;
}

.reader-toc-panel {
    position: absolute;
    top: 0;
    left: -80%;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background: var(--reader-panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: left 0.3s, background-color 0.3s;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.reader-toc-overlay.active .reader-toc-panel {
    left: 0;
}

.reader-toc-header {
    padding: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    font-weight: bold;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--reader-text-color);
}

.reader-toc-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
    padding: 0;
    margin: 0;
}

.reader-toc-item {
    padding: 12px 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 14px;
    color: var(--reader-text-color);
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reader-toc-item.active {
    color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.05);
}

/* 设置面板遮罩层 */
.reader-settings-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
    align-items: center;
    justify-content: center;
}

.reader-settings-overlay.active {
    display: flex;
    opacity: 1;
}

/* 居中设置面板 */
.reader-settings-panel {
    width: 90%;
    max-width: 350px;
    background: var(--reader-panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transform: scale(0.9);
    transition: transform 0.3s, background-color 0.3s;
    display: flex;
    flex-direction: column;
    max-height: 80vh;
}

.reader-settings-overlay.active .reader-settings-panel {
    transform: scale(1);
}

.reader-settings-header {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    font-size: 16px;
    color: var(--reader-text-color);
}

.reader-settings-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--reader-text-color);
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.reader-settings-content {
    padding: 20px;
    overflow-y: auto;
}

.reader-setting-row {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.reader-setting-label {
    width: 70px;
    font-size: 14px;
    color: var(--reader-text-color);
    opacity: 0.8;
}

.reader-theme-options {
    display: flex;
    gap: 15px;
    flex: 1;
}

.reader-theme-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
}

.reader-theme-circle.active {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.reader-font-size-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.reader-font-btn {
    width: 40px;
    height: 30px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 15px;
    background: rgba(255,255,255,0.5);
    color: var(--reader-text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
}

.reader-color-controls,
.reader-bg-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

#reader-font-color-picker {
    width: 40px;
    height: 30px;
    padding: 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: none;
}

.reader-btn-small {
    padding: 4px 10px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 12px;
    background: rgba(255,255,255,0.5);
    color: var(--reader-text-color);
    font-size: 12px;
    cursor: pointer;
}

.reader-margin-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    flex: 1;
}

.margin-input-group {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--reader-text-color);
}

.margin-input-group input {
    width: 40px;
    padding: 2px 4px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 4px;
    background: rgba(255,255,255,0.5);
    color: var(--reader-text-color);
    text-align: center;
}

/* 主题颜色定义 */
.reader-theme-default { --reader-bg-color: #f4ecd8; --reader-text-color: #333; --reader-panel-bg: rgba(244, 236, 216, 0.85); }
.reader-theme-dark { --reader-bg-color: #1a1a1a; --reader-text-color: #999; --reader-panel-bg: rgba(26, 26, 26, 0.85); }
.reader-theme-green { --reader-bg-color: #cce8cf; --reader-text-color: #333; --reader-panel-bg: rgba(204, 232, 207, 0.85); }
.reader-theme-white { --reader-bg-color: #ffffff; --reader-text-color: #333; --reader-panel-bg: rgba(255, 255, 255, 0.85); }

/* 段落长按悬浮菜单 */
.reader-paragraph-menu {
    position: absolute;
    background: var(--reader-panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    padding: 4px 8px;
    z-index: 300;
    transform: translateX(-50%);
}

.reader-menu-btn {
    background: none;
    border: none;
    color: var(--reader-text-color);
    font-size: 14px;
    padding: 8px 12px;
    cursor: pointer;
    white-space: nowrap;
}

.reader-menu-divider {
    width: 1px;
    height: 16px;
    background: rgba(0,0,0,0.1);
    margin: 0 4px;
}

/* 段评底部面板 */
.reader-comment-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 400;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.reader-comment-overlay.active {
    display: block;
    opacity: 1;
}

.reader-comment-panel {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    height: 80%;
    background: var(--reader-panel-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px 16px 0 0;
    transition: bottom 0.3s;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.reader-comment-overlay.active .reader-comment-panel {
    bottom: 0;
}

.reader-comment-header {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    font-size: 16px;
    color: var(--reader-text-color);
}

.reader-comment-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--reader-text-color);
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.reader-comment-quote {
    padding: 15px 20px;
    font-size: 13px;
    color: var(--reader-text-color);
    opacity: 0.7;
    background: rgba(0,0,0,0.03);
    border-left: 3px solid #000; /* 强调色改为黑色 */
    margin: 15px 20px 0;
    border-radius: 0 4px 4px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.reader-comment-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px 20px;
}

.reader-comment-item {
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 15px;
}

.reader-comment-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.reader-comment-user {
    font-size: 12px;
    color: #000; /* 强调色改为黑色 */
    margin-bottom: 4px;
    font-weight: bold;
}

.reader-comment-content {
    font-size: 14px;
    color: var(--reader-text-color);
    line-height: 1.5;
}

.reader-comment-time {
    font-size: 11px;
    color: var(--reader-text-color);
    opacity: 0.5;
    margin-top: 4px;
}

.reader-comment-input-area {
    padding: 10px 15px;
    border-top: 1px solid rgba(0,0,0,0.1);
    display: flex;
    gap: 10px;
    background: var(--reader-panel-bg);
}

#reader-comment-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 20px;
    background: rgba(255,255,255,0.5);
    color: var(--reader-text-color);
    outline: none;
}

#reader-comment-send {
    background: #000; /* 强调色改为黑色 */
    color: white;
    border: none;
    border-radius: 20px;
    padding: 0 15px;
    cursor: pointer;
    font-size: 14px;
}

/* 段落选中状态 */
.reader-text-container p.selected {
    background-color: rgba(var(--primary-color-rgb), 0.15);
    border-radius: 4px;
}

/* 段评外显图标 */
.reader-inline-comment-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 4px;
    color: inherit; /* 跟随字体颜色 */
    cursor: pointer;
    vertical-align: middle;
    opacity: 0.6; /* 稍微降低透明度以示区分 */
    transition: opacity 0.2s;
    white-space: nowrap; /* 防止图标内部换行 */
}

.reader-inline-comment-icon:hover {
    opacity: 1;
}

.reader-inline-comment-icon svg {
    width: 14px;
    height: 14px;
}

.reader-inline-comment-count {
    font-size: 10px;
    margin-left: 2px;
    font-weight: bold;
}

/* 隐藏滚动条 */
.reader-toc-list::-webkit-scrollbar,
.reader-comment-list::-webkit-scrollbar {
    width: 4px;
}
.reader-toc-list::-webkit-scrollbar-thumb,
.reader-comment-list::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.1);
    border-radius: 2px;
}

/* 全屏图片查看器 */
.reader-fullscreen-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.reader-fullscreen-viewer.active {
    display: flex;
    opacity: 1;
}

.reader-fullscreen-viewer img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.reader-illustration-img {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 8px;
    cursor: pointer;
}