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var(--border-subtle);background:#222;flex-shrink:0}.attachment-chip img{width:100%;height:100%;object-fit:cover}.remove-attachment{position:absolute;top:0;right:0;background:#00000080;color:#fff;border:none;width:20px;height:20px;cursor:pointer;display:flex;align-items:center;justify-content:center}@media(max-width:768px){.sidebar{position:fixed;height:100%;z-index:50}.message-container,.input-box-container{padding:0 .5rem}}.prose p{margin-bottom:1em}.prose h1,.prose h2,.prose h3{margin-top:1em;margin-bottom:.5em;font-weight:600;color:#fff}.prose code{background:#ffffff1a;padding:.2em .4em;border-radius:4px;font-family:monospace;font-size:.9em}.prose pre{background:#000;padding:1em;border-radius:8px;overflow-x:auto;margin:1em 0}.prose pre code{background:transparent;padding:0;color:#eee}.prose ul,.prose ol{margin-left:1.5em;margin-bottom:1em}