/* Bulletin post page */

.letters-post-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.2rem 1rem 3rem;
}

.letters-post-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.62fr);
    gap: 1.4rem;
    align-items: start;
}

.letters-post-card,
.letters-post-side {
    border: 1px solid rgba(18, 34, 53, 0.12);
    border-radius: 28px;
    background:
        radial-gradient(circle at top left, rgba(182, 92, 58, 0.08), transparent 32%),
        rgba(255, 255, 255, 0.92);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.08);
}

.letters-post-card {
    padding: 1.4rem 1.4rem 1.7rem;
    min-width: 0;
}

.letters-post-kicker {
    margin: 0;
    color: #b65c3a;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    font-weight: 800;
}

.letters-post-title {
    margin: 0.6rem 0 0;
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.03;
    color: #122235;
    font-family: "Georgia", "Iowan Old Style", "Times New Roman", serif;
}

.letters-post-subtitle {
    margin: 1rem 0 0;
    max-width: 60ch;
    color: var(--text-main);
    line-height: 1.68;
    font-size: 0.98rem;
}

.letters-post-authors {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    align-items: center;
}

.letters-post-author-chip {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0.42rem 0.76rem;
    border-radius: 999px;
    border: 1px solid rgba(18, 34, 53, 0.08);
    background: rgba(248, 242, 232, 0.95);
    color: var(--text-soft);
    font-size: 0.84rem;
    line-height: 1.3;
    white-space: nowrap;
}

.letters-post-author-chip.is-lead {
    background: rgba(182, 92, 58, 0.12);
    color: #7f3d27;
    font-weight: 700;
}

.letters-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    margin-top: 0.95rem;
    color: var(--text-soft);
    font-size: 0.92rem;
}

.letters-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1rem;
}

.letters-post-preview-banner {
    margin-top: -0.35rem;
    margin-bottom: 0.2rem;
}

.letters-post-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    min-height: 34px;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(18, 34, 53, 0.08);
    background: rgba(248, 242, 232, 0.95);
    color: var(--text-soft);
    font-size: 0.82rem;
}

.letters-post-tag::before {
    content: "#";
    color: #b65c3a;
    font-weight: 800;
}

.letters-post-body {
    margin-top: 1.5rem;
    font-size: 0.98rem;
    line-height: 1.82;
    color: var(--text-main);
    overflow-wrap: anywhere;
    min-width: 0;
}

.letters-post-body p {
    margin: 0 0 1.15rem 0;
}

.letters-post-body ul,
.letters-post-body ol {
    margin: 0 0 1.3rem;
    padding-inline-start: 1.55rem;
}

.letters-post-body li {
    margin: 0.35rem 0;
    padding-inline-start: 0.3rem;
}

.letters-post-body li > p {
    margin-bottom: 0.85rem;
}

.letters-post-body li > :last-child {
    margin-bottom: 0;
}

.letters-post-body h2,
.letters-post-body h3,
.letters-post-body h4 {
    margin: 1.5rem 0 0.8rem;
    color: #122235;
    line-height: 1.16;
    font-family: "Georgia", "Iowan Old Style", "Times New Roman", serif;
}

.letters-post-body h2 {
    font-size: 1.85rem;
}

.letters-post-body h3 {
    font-size: 1.45rem;
}

.letters-post-body a {
    color: #8d4329;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.letters-post-body blockquote {
    margin: 1.25rem 0;
    padding: 0.3rem 0 0.3rem 1rem;
    border-left: 3px solid rgba(255, 103, 25, 0.34);
    color: #6a6a61;
    font-style: italic;
}

.letters-post-body pre {
    margin: 1.25rem 0;
    padding: 1rem;
    border-radius: 16px;
    background: rgba(18, 34, 53, 0.05);
    overflow-x: auto;
    overflow-y: hidden;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal;
    -webkit-overflow-scrolling: touch;
    font-family: "SFMono-Regular", "Menlo", monospace;
    font-variant-ligatures: none;
    font-size: 0.92rem;
    line-height: 1.7;
    tab-size: 2;
}

.letters-post-body code {
    font-family: "SFMono-Regular", "Menlo", monospace;
}

/* Math / LaTeX consistency */

.letters-post-body .im-latex-inline,
.letters-post-body .im-latex-display {
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

.letters-post-body .im-latex-inline {
    display: inline;
}

.letters-post-body .im-latex-display {
    display: block;
    margin: 1.3rem 0;
    padding: 0.95rem 1rem;
    border-radius: 18px;
    background: rgba(255, 103, 25, 0.04);
    border: 1px solid rgba(255, 103, 25, 0.16);
    overflow-x: auto;
    overflow-y: hidden;
}

.letters-post-body .im-latex-display-widget {
    display: block;
}

.letters-post-body mjx-container[jax="SVG"] {
    max-width: 100%;
}

.letters-post-body .im-latex-display mjx-container,
.letters-post-body .im-latex-display .mjx-container,
.letters-post-body mjx-container[display="true"],
.letters-post-body .mjx-container[display="true"] {
    display: block !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    padding: 0.15rem 0;
    -webkit-overflow-scrolling: touch;
}

.letters-post-body mjx-container svg,
.letters-post-body .mjx-container svg {
    max-width: none;
}

.letters-post-body .im-image-wrap,
.letters-post-body figure {
    max-width: 100%;
    margin: 1.35rem auto;
}

.letters-post-body .im-image-wrap img,
.letters-post-body figure img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 20px;
}

.letters-post-body .im-image-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    padding: 1.1rem;
    border: 1px dashed rgba(18, 34, 53, 0.16);
    border-radius: 20px;
    background: rgba(18, 34, 53, 0.03);
    color: var(--text-soft);
    text-align: center;
    font-size: 0.95rem;
}

.letters-post-body .im-image-wrap figcaption,
.letters-post-body figure figcaption {
    margin-top: 0.55rem;
    text-align: center;
    color: var(--text-soft);
    font-size: 0.85rem;
}

.letters-post-body .im-cta-row {
    display: flex;
    justify-content: center;
    margin: 1.5rem 0;
}

.letters-post-body .im-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.85rem 1.3rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #b65c3a, #8d4329);
    color: #fffaf5;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 14px 28px rgba(182, 92, 58, 0.18);
}

.letters-post-body .im-divider {
    margin: 1.4rem 0;
    border: 0;
    border-top: 1px solid rgba(18, 34, 53, 0.12);
}

.letters-post-body .im-align-left {
    text-align: left;
}

.letters-post-body .im-align-center {
    text-align: center;
}

.letters-post-body .im-align-right {
    text-align: right;
}

.letters-post-body .im-reader-footer {
    width: min(100%, 42rem);
    margin: 2.1rem auto 1.9rem;
}

.letters-post-body .im-reader-footer-divider {
    width: 100%;
    margin: 0 0 1.25rem;
    border: 0;
    border-top: 1px solid rgba(18, 34, 53, 0.12);
}

.letters-post-body .im-reader-footer-copy {
    max-width: 34rem;
    margin: 0 auto;
    text-align: center;
    color: var(--text-soft);
    font-size: 0.98rem;
    line-height: 1.72;
}

.letters-post-body .im-reader-footer-copy > div {
    margin: 0 0 0.7rem;
}

.letters-post-body .im-reader-footer-copy > div:last-child {
    margin-bottom: 0;
}

.letters-post-side {
    padding: 1.05rem;
    position: sticky;
    top: 1rem;
}

.letters-post-side h2 {
    margin: 0;
    font-family: "Georgia", "Iowan Old Style", "Times New Roman", serif;
    color: #122235;
}

.letters-post-side p {
    margin: 0.8rem 0 0;
    line-height: 1.65;
}

.letters-post-actions {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-top: 1rem;
}

.letters-post-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.7rem 0.95rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid rgba(18, 34, 53, 0.12);
    color: #122235;
    background: rgba(255, 255, 255, 0.82);
    font: inherit;
    cursor: pointer;
}

.letters-post-link.primary {
    background: linear-gradient(135deg, #b65c3a, #8d4329);
    color: #fffaf5;
    border-color: transparent;
    box-shadow: 0 16px 32px rgba(182, 92, 58, 0.24);
}

.letters-post-share-note {
    margin: 0.1rem 0 0;
    color: var(--text-soft);
    font-size: 0.88rem;
    line-height: 1.55;
}

.letters-post-loading,
.letters-post-error {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-soft);
}

.letters-post-error {
    color: #b42318;
}

.letters-post-skeleton {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    animation: lettersPostFadeIn 0.3s ease;
}

.sk {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    background: rgba(18, 34, 53, 0.08);
}

.sk::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: lettersPostShimmer 1.2s infinite;
}

.sk-kicker {
    width: 120px;
    height: 12px;
    border-radius: 999px;
}

.sk-title {
    width: 80%;
    height: 34px;
}

.sk-subtitle {
    width: 60%;
    height: 16px;
}

.sk-meta {
    width: 50%;
    height: 14px;
}

.sk-paragraph {
    width: 100%;
    height: 14px;
}

.sk-paragraph.short {
    width: 70%;
}

@keyframes lettersPostShimmer {
    100% {
        transform: translateX(100%);
    }
}

@keyframes lettersPostFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

body.theme-dark .letters-post-card,
body.theme-dark .letters-post-side {
    border-color: rgba(241, 232, 216, 0.14);
    background:
        radial-gradient(circle at top left, rgba(182, 92, 58, 0.13), transparent 32%),
        rgba(10, 16, 25, 0.82);
}

body.theme-dark .letters-post-title,
body.theme-dark .letters-post-side h2,
body.theme-dark .letters-post-body h2,
body.theme-dark .letters-post-body h3,
body.theme-dark .letters-post-body h4 {
    color: #f3ecdf;
}

body.theme-dark .letters-post-tag,
body.theme-dark .letters-post-link,
body.theme-dark .letters-post-author-chip {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(241, 232, 216, 0.14);
    color: #f3ecdf;
}

body.theme-dark .letters-post-author-chip.is-lead {
    background: rgba(182, 92, 58, 0.18);
    color: #ffd8c8;
}

body.theme-dark .letters-post-body pre {
    background: rgba(255, 255, 255, 0.05);
}

body.theme-dark .letters-post-body .im-latex-display {
    background: rgba(255, 160, 122, 0.06);
    border-color: rgba(255, 160, 122, 0.22);
}

body.theme-dark .letters-post-body .im-image-fallback {
    border-color: rgba(241, 232, 216, 0.14);
    background: rgba(255, 255, 255, 0.03);
    color: #cfc5b4;
}

body.theme-dark .letters-post-body blockquote {
    border-left-color: rgba(255, 148, 92, 0.4);
    color: #cfc5b4;
}

body.theme-dark .letters-post-body .im-reader-footer-divider,
body.theme-dark .letters-post-body .im-divider {
    border-top-color: rgba(241, 232, 216, 0.14);
}

body.theme-dark .sk {
    background: rgba(241, 232, 216, 0.08);
}

body.theme-dark .sk::after {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

@media (max-width: 920px) {
    .letters-post-shell {
        padding-inline: 0.85rem;
    }

    .letters-post-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 1rem;
    }

    .letters-post-side {
        position: static;
    }
}

@media (max-width: 640px) {
    .letters-post-shell {
        width: calc(100% + 0.8rem);
        max-width: none;
        margin-inline: -0.4rem;
        padding: 0.9rem 0.6rem 2rem;
    }

    .letters-post-card,
    .letters-post-side {
        border-radius: 24px;
    }

    .letters-post-card {
        padding: 1rem 0.95rem 1.2rem;
    }

    .letters-post-side {
        padding: 0.95rem;
    }

    .letters-post-title {
        font-size: clamp(1.7rem, 8vw, 2.3rem);
    }

    .letters-post-subtitle {
        max-width: none;
        font-size: 0.96rem;
    }

    .letters-post-authors {
        gap: 0.45rem;
        margin-top: 0.9rem;
    }

    .letters-post-author-chip {
        min-height: 34px;
        padding: 0.42rem 0.72rem;
        font-size: 0.82rem;
    }

    .letters-post-meta {
        gap: 0.5rem 0.8rem;
        font-size: 0.88rem;
        margin-top: 0.85rem;
    }

    .letters-post-body .im-reader-footer {
        width: 100%;
        margin: 1.8rem 0 1.6rem;
    }

    .letters-post-body .im-reader-footer-copy {
        font-size: 0.94rem;
    }

    .letters-post-body {
        margin-top: 1.2rem;
        font-size: 0.96rem;
        line-height: 1.76;
    }

    .letters-post-body ul,
    .letters-post-body ol {
        margin-left: 0.18rem;
        padding-inline-start: 1.3rem;
    }

    .letters-post-body li {
        padding-inline-start: 0.42rem;
    }

    .letters-post-body h2 {
        font-size: 1.55rem;
    }

    .letters-post-body h3 {
        font-size: 1.28rem;
    }

    .letters-post-body .im-latex-display {
        margin: 1.1rem 0;
        padding: 0.8rem 0.85rem;
        border-radius: 16px;
    }
}