.post-layout .container-wide {
    display: flex;
    justify-content: center;
    padding-top: 8px;
}
.post-main {
    display: flex;
    width: 100%;
    max-width: 1100px;
}
.post-outline {
    flex: 0 0 240px;
    margin-right: 48px;
    margin-top: 16px;
    padding: 20px 0;
    position: sticky;
    top: 40px;
    z-index: 10;
    align-self: flex-start;
    background: var(--off-white);
    border-radius: 10px;
    box-shadow: none;
    font-size: 14px;
    color: var(--light-gray);
    display: block;
    min-height: 0;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    transition: box-shadow 0.2s;
}

.content-area h1[id],
.content-area h2[id],
.content-area h3[id],
.content-area h4[id],
#comments {
    scroll-margin-top: 80px;
}

.post-outline-mobile {
    display: block;
    padding: 0;
    min-height: 0;
    max-height: none;
    margin: 16px 0 24px 0;
    background: var(--off-white);
    border-radius: 10px;
    border: 1px solid var(--lighter-gray);
    box-shadow: 0 2px 8px rgba(0,102,204,0.04);
}
.post-outline-mobile-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: none;
    border: 0;
    font: inherit;
    font-weight: 600;
    padding: 16px 20px;
    color: var(--black);
    text-align: left;
    cursor: pointer;
    border-bottom: 1px solid var(--lighter-gray);
}
.post-outline-mobile-icon {
    transition: transform 0.2s ease;
}
.post-outline-mobile.is-collapsed .post-outline-mobile-content {
    display: none;
}
.post-outline-mobile.is-expanded .post-outline-mobile-icon {
    transform: rotate(180deg);
}
.post-outline-mobile-content {
    padding: 12px 20px 16px 20px;
}
.post-outline-mobile-content ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.post-outline-mobile-content li {
    padding-left: 0;
}
.post-outline ul {
    list-style: none;
    padding: 0 0 0 8px;
    margin: 0;
}
.post-outline li {
    margin-bottom: 6px;
    padding-left: calc(10px * (var(--outline-level, 1)));
    font-weight: 400;
    transition: background 0.2s, color 0.2s;
}
.post-outline li.outline-level-1 { --outline-level: 1; font-size: 1em; font-weight: 600; }
.post-outline li.outline-level-2 { --outline-level: 2; font-size: 0.95em; font-weight: 500; }
.post-outline li.outline-level-3 { --outline-level: 3; font-size: 0.9em; font-weight: 400; }
.post-outline li.outline-level-4 { --outline-level: 4; font-size: 0.88em; font-weight: 400; }
.post-outline li.outline-level-5 { --outline-level: 5; font-size: 0.88em; font-weight: 400; }
.post-outline li.active > a { color: var(--dark-gray); font-weight: 600; background: var(--lighter-gray); border-radius: 4px; }
.post-outline a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.2s;
    display: block;
    padding: 2px 8px;
    border-radius: 4px;
}
.post-outline a:hover {
    color: var(--dark-gray);
}

.post-sidebar {
    display: none;
}
.post-layout .container-narrow {
    margin: 0;

    display: flow-root;
}

.sidenote {
    display: none;
    width: 200px;
    margin-left: -224px;
    margin-right: 0;
    margin-bottom: 16px;
    padding: 0 10px 0 6px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--light-gray);
    text-align: justify;
    hyphens: auto;
}
.sidenote-number {
    font-weight: 600;
    color: var(--medium-gray);
}
.sidenote p {
    display: inline;
    font-size: inherit;
    color: inherit;
    margin: 0;
}
.sidenote a {
    color: var(--light-gray);
    font-size: inherit;
}

@media (min-width: 1024px) {
    .post-sidebar {
        display: block;
        order: 2;
        flex: 0 0 240px;
        margin-left: auto;
    }
    .post-outline {
        margin-right: 0;
        margin-left: 0;
    }
    .post-outline-mobile {
        display: none;
    }
}

@media (min-width: 1200px) {
    .post-main {
        max-width: 1200px;
    }
    .post-sidebar {
        flex: 0 0 200px;
        margin-left: 24px;
    }
    .post-layout .container-narrow {
        margin-left: 224px;
    }
    .sidenote {
        display: block;
    }
    .sidebar-app-card {
        display: block;
    }
    .content-area .footnotes {
        display: none;
    }
}
@media (max-width: 768px) {
    .post-main {
        flex-direction: column;
        max-width: 100%;
    }
    .post-page-header .page-title {
        font-size: 28px;
    }
    .post-summary {
        font-size: 15px;
    }
    .post-footer-full {
        padding: 0 16px;
    }
    .post-footer {
        flex-direction: column;
        gap: 12px;
    }
    .post-footer .post-nav-link {
        text-align: center;
    }
    .post-footer .post-nav-link:empty {
        display: none;
    }
}
.post-footer-full {
    max-width: 1100px;
    margin: 48px auto 0;
    border-top: 1px solid var(--lighter-gray);
}
.post-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 24px 0 16px;
}
.post-footer #comments {
    flex: 0 1 auto;
    min-width: 0;
}
.post-nav-link {
    flex: 1;
    color: var(--light-gray);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}
.post-nav-link:hover {
    color: var(--black);
}
.post-nav-link.next {
    text-align: right;
}
.post-header-full {
    display: flex;
    justify-content: center;
}
.outline-hn-stats {
    color: #FF6600;
    font-size: 0.9em;
}
.post-page-header {
    width: 100%;
    max-width: 1100px;
    margin-bottom: 0;
    padding: 48px 16px 28px;
    border-bottom: 1px solid var(--lighter-gray);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.post-page-header .page-title {
    font-size: 40px;
    margin-bottom: 20px;
    line-height: 1.15;
    max-width: 720px;
}
.post-summary {
    font-size: 16px;
    color: var(--medium-gray);
    line-height: 1.6;
    max-width: 520px;
    margin: 0 0 16px;
}
.post-meta-line {
    font-size: 13px;
    color: var(--light-gray);
}
.post-meta-sep {
    color: var(--lighter-gray);
    margin: 0 2px;
}
.post-layout .content-area {
    padding-top: 24px;
    padding-bottom: 0;
}

.sidebar-app-card {
    display: none;
    width: 200px;
    margin-left: -224px;
    margin-right: 0;
    margin-top: 0;
    margin-bottom: 16px;
    padding: 0 8px;
    border: 1px solid var(--lighter-gray);
    border-radius: 10px;
    overflow: visible;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.sidebar-app-card:hover {
    border-color: var(--light-gray);
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.content-area .sidebar-app-link {
    display: block;
    padding: 12px 4px;
    text-decoration: none;
    color: inherit;
    border: none;
    border-bottom: none;
}
.content-area .sidebar-app-link:hover {
    border-bottom: none;
}
.sidebar-app-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.content-area .sidebar-app-card img.sidebar-app-icon {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    margin: 0;
    box-shadow: none;
    flex-shrink: 0;
}
.sidebar-app-text {
    display: block;
    text-align: left;
}
.sidebar-app-text strong {
    display: block;
    font-size: 12px;
    font-weight: 600;
    font-style: normal;
    color: var(--dark-gray);
    text-align: left;
}
.sidebar-app-text em {
    display: block;
    font-size: 10px;
    font-style: normal;
    color: var(--light-gray);
    line-height: 1.3;
    text-align: left;
}
.sidebar-app-btn {
    display: block;
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    font-style: normal;
    color: var(--white);
    background: var(--black);
    padding: 5px 14px;
    border-radius: 6px;
    white-space: nowrap;
}

.content-area .footnotes-sep {
    display: none;
}
.content-area .footnotes {
    display: block;
    font-size: 13px;
    color: var(--light-gray);
    margin-top: 20px;
    padding: 0;
}
.content-area .footnotes p {
    font-size: 13px;
    color: var(--light-gray);
    line-height: 1.5;
    margin-bottom: 8px;
}
.content-area .footnotes-list {
    padding-left: 20px;
    margin: 0;
}
.content-area .footnote-item {
    margin-bottom: 6px;
    color: var(--light-gray);
}
.content-area .footnote-backref {
    color: var(--lighter-gray);
    text-decoration: none;
    font-size: 11px;
    margin-left: 2px;
}

@media (min-width: 1200px) {
    .sidenote,
    .sidebar-app-card {
        display: block;
        float: left;
        clear: left;
    }
    .content-area .footnotes,
    .content-area .footnotes-sep {
        display: none;
    }
}