/* Table of Contents styles */
#toc-container {
    position: fixed;
    right: 50%;
    top: 100px;
    width: 280px;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
    padding: 20px;
    background: #fff;
    border-left: 1px solid #eaeaea;
    z-index: 10;
    transition: opacity 0.3s ease;
    transform: translateX(calc(100% + 450px));
}

@media (max-width: 1024px) {
    #toc-container {
        display: none !important;
    }
}

#toc-container .toc-title {
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 15px 0;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#toc-container #toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#toc-container #toc-list .toc-item {
    margin: 0;
    line-height: 1.8;
}

#toc-container #toc-list .toc-item.toc-level-0 {
    padding-left: 0;
}

#toc-container #toc-list .toc-item.toc-level-1 {
    padding-left: 15px;
}

#toc-container #toc-list .toc-item.toc-level-2 {
    padding-left: 30px;
}

#toc-container #toc-list .toc-item.toc-level-3 {
    padding-left: 45px;
}

#toc-container #toc-list .toc-item .toc-link {
    display: block;
    color: #666;
    text-decoration: none;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#toc-container #toc-list .toc-item .toc-link:hover {
    color: #000;
    background-color: #f5f5f5;
}

#toc-container #toc-list .toc-item .toc-link.active {
    color: #349ef3;
    font-weight: 600;
    background-color: #e6f2ff;
}

/* Scrollbar styling */
#toc-container::-webkit-scrollbar {
    width: 6px;
}

#toc-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

#toc-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

#toc-container::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* Adjust main content area to make room for TOC on large screens */
@media (min-width: 1024px) {
    #main[data-behavior="1"] .post-content,
    #main[data-behavior="2"] .post-content,
    #main[data-behavior="3"] .post-content {
        max-width: 750px;
        margin-right: 0;
    }
}

/* Dark mode support (if theme has dark mode) */
body.dark-mode #toc-container {
    background: #1e1e1e;
    border-left-color: #333;
}

body.dark-mode #toc-container .toc-title {
    color: #e0e0e0;
}

body.dark-mode #toc-container #toc-list .toc-item .toc-link {
    color: #b0b0b0;
}

body.dark-mode #toc-container #toc-list .toc-item .toc-link:hover {
    color: #fff;
    background-color: #2a2a2a;
}

body.dark-mode #toc-container #toc-list .toc-item .toc-link.active {
    color: #349ef3;
    background-color: #1a3a4a;
}

body.dark-mode #toc-container::-webkit-scrollbar-track {
    background: #2a2a2a;
}

body.dark-mode #toc-container::-webkit-scrollbar-thumb {
    background: #555;
}

body.dark-mode #toc-container::-webkit-scrollbar-thumb:hover {
    background: #777;
}