/* resources/css/reader.css */

/* 基础样式 */
body {
    font-family: "Inter", sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.main-container {
    display: flex;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.toc-sidebar {
    width: 250px;
    flex-shrink: 0;
    display: none;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
}

.toc-sidebar .card-body {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.content-area {
    flex-grow: 1;
    max-width: 100%;
}

.right-sidebar {
    width: 300px;
    flex-shrink: 0;
    display: none;
}

.related-books {
    margin-top: 30px;
}

.card-img-container {
    height: 150px;
    overflow: hidden;
}

.card-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 响应式布局 */
@media (max-width: 767px) {
    .content-area {
        width: 100%;
    }

    .main-container {
        padding: 0;
    }

    .card {
        border: none;
    }
}

@media (min-width: 768px) {
    .toc-sidebar {
        display: block;
    }

    .content-area {
        max-width: calc(100% - 270px);
    }
}

@media (min-width: 992px) {
    .right-sidebar {
        display: block;
    }

    .content-area {
        max-width: calc(100% - 570px);
    }
}

/* 暗色模式 */
.dark-mode {
    background-color: #1a1a1a;
    color: #ffffff;
}

.dark-mode .card {
    background-color: #2a2a2a;
    border-color: #3a3a3a;
    color: #ffffff;
}

.dark-mode .navbar {
    background-color: #2a2a2a;
}

.dark-mode .offcanvas {
    background-color: #2a2a2a;
    color: #ffffff;
}

.dark-mode .offcanvas .nav-link {
    color: #ffffff;
}

.dark-mode .toc-sidebar,
.dark-mode .right-sidebar {
    background-color: #2a2a2a;
}

/* 目录样式 */
.toc-sidebar ul,
.offcanvas-body ul {
    list-style: none;
    padding: 0;
}

.toc-sidebar ul li,
.offcanvas-body ul li {
    padding: 5px 0;
}

.toc-sidebar ul li a,
.offcanvas-body ul li a {
    color: #206bc4;
    text-decoration: none;
}

.toc-sidebar ul li a:hover {
    text-decoration: none;
}

.offcanvas-body ul li a:hover {
    text-decoration: underline;
}

.dark-mode .toc-sidebar ul li a,
.dark-mode .offcanvas-body ul li a {
    color: #4dabf7;
}

.toc-level-1 {
    padding-left: 0 !important;
}

.toc-level-2 {
    padding-left: 16px !important;
}

.toc-level-3 {
    padding-left: 24px !important;
}

.toc-level-4 {
    padding-left: 36px !important;
}

.toc-disabled {
    color: #6c757d;
    cursor: not-allowed;
    pointer-events: none;
}

.dark-mode .toc-disabled {
    color: #adb5bd;
}

.toc_item {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toc_item:hover {
    color: #206bc4 !important;
    background: rgba(32, 107, 196, 0.15);
    border-radius: 2px;
    cursor: pointer;
}

.toc_item a,
.toc_item span {
    display: block;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toc-active {
    color: #206bc4 !important;
    font-weight: 600;
    background: rgba(32, 107, 196, 0.08);
    border-left: 3px solid #206bc4;
    border-radius: 2px;
    cursor: default;
    pointer-events: none;
}

.dark-mode .toc-active {
    color: #4dabf7 !important;
    background: rgba(77, 171, 247, 0.1);
    border-left-color: #4dabf7;
}

.origin {
    color: darkred;
}

/* 术语引用样式 */
.term-ref {
    cursor: pointer;
    text-decoration: underline dotted;
    text-underline-offset: 4px;
}

.term_invalid {
    color: red;
}

.term-ref:hover {
    color: var(--tblr-primary);
}