/* QChat link previews: shared card for chat messages and profile blog posts. */
html[data-qchat-link-previews="disabled"] .qchat-link-preview,
html[data-qchat-link-previews="pending"] .qchat-link-preview {
    display: none !important;
}

.qchat-link-preview {
    display: flex;
    width: 420px;
    max-width: 100%;
    min-width: 0;
    margin-top: 0.5rem;
    overflow: hidden;
    color: #212529;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    text-decoration: none !important;
    box-sizing: border-box;
    transition: border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.qchat-link-preview:hover,
.qchat-link-preview:focus-visible {
    color: #212529;
    background: #f1f3f5;
    border-color: #adb5bd;
    text-decoration: none !important;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.qchat-link-preview:focus-visible {
    outline: 2px solid rgba(13, 110, 253, 0.55);
    outline-offset: 2px;
}

.qchat-link-preview-body {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0.65rem 0.75rem;
    align-self: center;
}

.qchat-link-preview-provider,
.qchat-link-preview-url {
    overflow: hidden;
    color: #6c757d;
    font-size: 0.72rem;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.qchat-link-preview-provider {
    margin-bottom: 0.18rem;
    font-weight: 600;
}

.qchat-link-preview-title {
    display: -webkit-box;
    overflow: hidden;
    color: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.qchat-link-preview-description {
    display: -webkit-box;
    overflow: hidden;
    margin-top: 0.2rem;
    color: #495057;
    font-size: 0.78rem;
    line-height: 1.3;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.qchat-link-preview-url {
    margin-top: 0.3rem;
}

.qchat-link-preview-image {
    flex: 0 0 138px;
    width: 138px;
    min-width: 138px;
    min-height: 104px;
    max-height: 138px;
    align-self: stretch;
    object-fit: cover;
    background: #e9ecef;
    border-left: 1px solid #dee2e6;
}

/* YouTube artwork is 16:9. Give it a wider lane so substantially more of
   the actual thumbnail stays visible instead of looking zoomed-in inside the
   generic 4:3-ish OG image slot. */
.qchat-link-preview-youtube .qchat-link-preview-image {
    flex-basis: 168px;
    width: 168px;
    min-width: 168px;
    object-position: center center;
}

/* Blog cards can use a little more room without becoming a full-width banner. */
.qchat-link-preview-blog {
    width: 560px;
    max-width: 100%;
}

/* Chat link previews intentionally use the same compact lane as the YouTube
   cards. A short URL should not make an OG card expand to the old 520px lane. */
#messagesContainer .message:has(.qchat-link-preview) .message-bubble {
    width: fit-content;
    max-width: min(444px, 100%);
}

#messagesContainer .message:has(.qchat-link-preview) .message-content-wrapper,
#messagesContainer .message:has(.qchat-link-preview) .message-content {
    min-width: 0;
    max-width: 100%;
}

#messagesContainer .message:has(.qchat-link-preview) .message-content > .message-link {
    display: -webkit-box;
    overflow: hidden;
    overflow-wrap: anywhere;
    word-break: break-word;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

/* A preview is nested inside the message bubble; don't let flex/mobile rules overflow it. */
#messagesContainer .message .qchat-link-preview,
#messagesContainer .message .qchat-link-preview-body,
.profile-blog-post .qchat-link-preview,
.profile-blog-post .qchat-link-preview-body {
    min-width: 0 !important;
    max-width: 100%;
    box-sizing: border-box;
}

body.dark-theme .qchat-link-preview {
    color: #e6edf3;
    background: #161b22;
    border-color: #30363d;
}

body.dark-theme .qchat-link-preview:hover,
body.dark-theme .qchat-link-preview:focus-visible {
    color: #e6edf3;
    background: #21262d;
    border-color: #484f58;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
}

body.dark-theme .qchat-link-preview-provider,
body.dark-theme .qchat-link-preview-url {
    color: #8b949e;
}

body.dark-theme .qchat-link-preview-description {
    color: #b1bac4;
}

body.dark-theme .qchat-link-preview-image {
    background: #0d1117;
    border-left-color: #30363d;
}

@media (prefers-color-scheme: dark) {
    body.auto-theme .qchat-link-preview {
        color: #e6edf3;
        background: #161b22;
        border-color: #30363d;
    }

    body.auto-theme .qchat-link-preview:hover,
    body.auto-theme .qchat-link-preview:focus-visible {
        color: #e6edf3;
        background: #21262d;
        border-color: #484f58;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.32);
    }

    body.auto-theme .qchat-link-preview-provider,
    body.auto-theme .qchat-link-preview-url {
        color: #8b949e;
    }

    body.auto-theme .qchat-link-preview-description {
        color: #b1bac4;
    }

    body.auto-theme .qchat-link-preview-image {
        background: #0d1117;
        border-left-color: #30363d;
    }
}

@media (max-width: 575.98px) {
    .qchat-link-preview-body {
        padding: 0.55rem 0.6rem;
    }

    .qchat-link-preview-image {
        flex-basis: 104px;
        width: 104px;
        min-width: 104px;
        min-height: 88px;
        max-height: 120px;
    }

    .qchat-link-preview-youtube .qchat-link-preview-image {
        flex-basis: 128px;
        width: 128px;
        min-width: 128px;
    }

    .qchat-link-preview-description {
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
}

@media (max-width: 380px) {
    .qchat-link-preview-image {
        flex-basis: 88px;
        width: 88px;
        min-width: 88px;
    }

    .qchat-link-preview-youtube .qchat-link-preview-image {
        flex-basis: 108px;
        width: 108px;
        min-width: 108px;
    }

    .qchat-link-preview-description {
        display: none;
    }
}

/* qchat v56: a long URL must not make a desktop text bubble wider than the
   compact preview/message lane. Wrap the URL inside that lane even when a site
   cannot produce preview metadata. */
#messagesContainer .message .message-content .message-link {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

@media (min-width: 768px) {
    #messagesContainer .message:has(.message-content .message-link) .message-bubble {
        width: fit-content !important;
        max-width: 444px !important;
        min-width: 0 !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
    }

    #messagesContainer .message:has(.message-content .message-link) .message-content-wrapper,
    #messagesContainer .message:has(.message-content .message-link) .message-content {
        min-width: 0 !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
}

/* When a usable YouTube or internal-QChat preview exists, the source URL is
 * redundant. Keep the original anchor in the DOM (copy/edit still use the
 * original plaintext), but only hide it while the server-wide preview feature
 * is actually enabled. */
html[data-qchat-link-previews="enabled"] .qchat-link-preview-source {
    display: none !important;
}

/* Login-gated Facebook posts have no verified OG title/image. Display only
   their original URL, without implying that a real post preview was fetched. */
.qchat-link-preview-neutral {
    width: auto;
    max-width: 100%;
    padding: 0.45rem 0.65rem;
}
.qchat-link-preview-neutral .qchat-link-preview-url {
    margin: 0;
    font-size: 0.8rem;
    line-height: 1.4;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    color: inherit;
}