/* Post TOC — used by post.html (auto-built) and the themes page (hard-coded). */

html { scroll-behavior: smooth; }

.post-content h2,
.post-content h3,
.themes-container h2[id] {
    scroll-margin-top: 90px;
}

.post-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.post-toc-list-h2 > .post-toc-item-h2 {
    margin-bottom: 4px;
}

.post-toc-list-h3 {
    margin: 2px 0 8px 0;
    padding-left: 18px;
    border-left: 1px solid var(--border-subtle);
}

.post-toc-link {
    display: block;
    color: var(--subtext0);
    text-decoration: none;
    border: none !important;
    padding: 4px 8px 4px 10px;
    border-left: 2px solid transparent;
    line-height: 1.35;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
    word-break: break-word;
}

.post-toc-item-h2 > .post-toc-link {
    font-size: 1em;
    font-weight: 600;
    color: var(--text);
}

.post-toc-item-h3 > .post-toc-link {
    font-size: 0.82em;
    font-weight: 400;
    color: var(--overlay2);
}

.post-toc-link:hover {
    color: var(--blue);
    background-color: var(--blue-tint);
}

.post-toc-link.is-active {
    color: var(--blue);
    font-weight: 600;
    border-left-color: var(--blue);
    background-color: var(--blue-tint);
}

/* Floating "Sections" pill (all viewports) */
.post-toc-mobile {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
    font-family: 'Fira Code', monospace;
}

.post-toc-mobile-toggle {
    background: var(--shell-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--blue);
    border: 1px solid var(--shell-border);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.85em;
    font-family: inherit;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.post-toc-mobile-toggle:hover,
.post-toc-mobile.is-open .post-toc-mobile-toggle {
    border-color: var(--blue);
}

.post-toc-caret {
    display: inline-block;
    transition: transform 0.2s ease;
    font-size: 0.9em;
    line-height: 1;
}

.post-toc-mobile.is-open .post-toc-caret {
    transform: rotate(180deg);
}

.post-toc-mobile-panel {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(320px, calc(100vw - 24px));
    max-height: 70vh;
    overflow-y: auto;
    background: var(--shell-bg-overlay);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--shell-border);
    border-radius: 8px;
    padding: 10px 12px;
    box-shadow: var(--shadow-card-hover);
}

.post-toc-mobile.is-open .post-toc-mobile-panel {
    display: block;
}

.post-toc-mobile-panel::-webkit-scrollbar { width: 6px; }
.post-toc-mobile-panel::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 3px; }

@media (max-width: 768px) {
    .post-toc-mobile { top: 16px; right: 16px; }
    .post-toc-mobile-toggle { padding: 5px 12px; font-size: 0.8em; }
}