/* 章节头部 */
.chapter-header {
    background: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border-color);
    padding: 16px 0;
    position: sticky;
    top: var(--layout-header-height);
    z-index: 100;
}

.chapter-header-content {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.chapter-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.chapter-breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.chapter-breadcrumb a:hover {
    text-decoration: underline;
}

.chapter-breadcrumb span {
    color: var(--color-text-secondary);
}

.chapter-breadcrumb .chapter-current {
    color: var(--color-text-color);
    font-weight: 500;
}

.chapter-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chapter-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(var(--color-primary-rgb), 0.08);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: var(--layout-border-radius);
    color: var(--color-primary);
    font-size: 13px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.chapter-nav-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.15);
    transform: translateY(-1px);
}

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

.chapter-nav-btn.primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.chapter-nav-btn.primary:hover {
    background: var(--color-primary-dark);
}

/* 漫画信息栏 */
.chapter-comic-bar {
    background: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border-color);
    padding: 12px 0;
}

.chapter-comic-content {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.chapter-comic-cover {
    width: 50px;
    height: 66px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.chapter-comic-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chapter-comic-info {
    flex: 1;
    min-width: 0;
}

.chapter-comic-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.chapter-comic-meta {
    font-size: 12px;
    color: var(--color-text-secondary);
    display: flex;
    gap: 12px;
}

.chapter-comic-actions {
    display: flex;
    gap: 8px;
}

.chapter-action-btn {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
    border: 1px solid var(--color-border-color);
    background: var(--color-bg-color);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chapter-action-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.chapter-action-btn.active {
    background: rgba(231, 76, 60, 0.1);
    border-color: rgba(231, 76, 60, 0.3);
    color: #e74c3c;
}

/* 章节内容区 */
.chapter-content-area {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 24px;
}

.chapter-title-bar {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border-color);
}

.chapter-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text-color);
    margin-bottom: 8px;
}

.chapter-meta {
    font-size: 13px;
    color: var(--color-text-secondary);
    display: flex;
    justify-content: center;
    gap: 16px;
}

.chapter-images {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chapter-image {
    width: 100%;
    display: block;
    background: var(--color-card-bg);
}

.chapter-image img {
    width: 100%;
    display: block;
    margin: 0 auto;
}

/* 章节底部导航 */
.chapter-footer-nav {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.chapter-footer-btn {
    flex: 1;
    max-width: 280px;
    padding: 16px 20px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chapter-footer-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.chapter-footer-btn.prev {
    justify-content: flex-start;
}

.chapter-footer-btn.next {
    justify-content: flex-end;
    margin-left: auto;
}

.chapter-footer-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--color-primary-rgb), 0.1);
    border-radius: 8px;
    color: var(--color-primary);
    font-size: 16px;
    flex-shrink: 0;
}

.chapter-footer-info {
    flex: 1;
    min-width: 0;
}

.chapter-footer-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.chapter-footer-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 章节列表弹窗 */
.chapter-list-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.chapter-list-modal.show {
    opacity: 1;
    visibility: visible;
}

.chapter-list-container {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 380px;
    max-width: 90%;
    background: var(--color-card-bg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.chapter-list-modal.show .chapter-list-container {
    transform: translateX(0);
}

.chapter-list-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.chapter-list-header-left {
    display: flex;
    align-items: center;
}

.chapter-list-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chapter-list-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-color);
}

.chapter-list-sort {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--color-bg-color);
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    color: var(--color-text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.chapter-list-sort:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.chapter-list-sort i {
    font-size: 12px;
}

.chapter-list-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 18px;
    border-radius: 6px;
    transition: all 0.2s;
}

.chapter-list-close:hover {
    background: var(--color-bg-color);
    color: var(--color-text-color);
}

.chapter-list-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.chapter-list-volume {
    margin-bottom: 16px;
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    overflow: hidden;
}

.chapter-list-volume.collapsed .chapter-list-chapters {
    display: none;
}

.chapter-list-volume-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: var(--color-bg-color);
    cursor: pointer;
    transition: background 0.2s;
}

.chapter-list-volume-header:hover {
    background: rgba(var(--color-primary-rgb), 0.05);
}

.chapter-list-volume-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chapter-list-volume-title i {
    color: var(--color-primary);
}

.chapter-list-volume-count {
    font-size: 12px;
    color: var(--color-text-secondary);
    font-weight: normal;
}

.chapter-list-volume-toggle {
    color: var(--color-text-secondary);
    font-size: 12px;
    transition: transform 0.3s;
}

.chapter-list-volume.collapsed .chapter-list-volume-toggle {
    transform: rotate(-90deg);
}

.chapter-list-chapters {
    padding: 10px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.chapter-list-item {
    padding: 8px 4px;
    text-align: center;
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg-color);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    overflow: hidden;
}

.chapter-list-item:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.chapter-list-item.current {
    background: var(--color-primary);
    color: #fff;
}

.chapter-list-item.current:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

.chapter-list-item-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chapter-list-item.current {
    background: var(--color-primary);
    color: #fff;
}

.chapter-list-item.current:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

/* 加载状态 */
.chapter-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
}

.chapter-loading i {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.chapter-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
}

.chapter-empty i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
    opacity: 0.5;
}

/* 深色主题适配 */
.dark-theme .chapter-nav-btn:hover,
.dark-theme .chapter-action-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
}

.dark-theme .chapter-footer-btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 响应式 */
@media (max-width: 768px) {
    .chapter-header-content {
        flex-direction: column;
        gap: 12px;
    }

    .chapter-breadcrumb {
        font-size: 12px;
    }

    .chapter-nav {
        width: 100%;
        justify-content: center;
    }

    .chapter-nav-btn {
        flex: 1;
        justify-content: center;
        padding: 8px 12px;
        font-size: 12px;
    }

    .chapter-comic-bar {
        display: none;
    }

    .chapter-content-area {
        padding: 20px 12px;
    }

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

    .chapter-footer-nav {
        padding: 20px 12px;
        flex-direction: column;
        align-items: center;
    }

    .chapter-footer-btn {
        max-width: 100%;
        width: 100%;
    }

    .chapter-footer-btn.next {
        margin-left: 0;
    }

    .chapter-list-container {
        width: 100%;
    }

    .chapter-list-body {
        padding: 12px;
    }

    .chapter-list-chapters {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .chapter-list-item {
        padding: 8px 4px;
        font-size: 12px;
    }
}