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.msg-actions{display:flex}.msg-action-btn{width:26px;height:26px;border-radius:6px;border:none;background:var(--surface-hover);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.75rem;transition:all .15s}.msg-action-btn:hover{background:var(--border);color:var(--text)}.msg-reply-quote{font-size:.75rem;padding:4px 8px;margin-bottom:4px;border-left:2px solid var(--primary);border-radius:2px;background:#ffffff0d;color:var(--text-muted);max-height:40px;overflow:hidden}.channel-message.self .msg-reply-quote{border-left-color:#ffffff80;background:#ffffff1a;color:#ffffffb3}.msg-reply-sender{font-weight:700;font-size:.65rem}.msg-reply-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-bar{display:flex;align-items:center;gap:8px;padding:8px 20px;border-top:1px solid 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.2s;flex-shrink:0}.btn-attach:hover{background:var(--border);color:var(--text)}.btn-send{width:42px;height:42px;border-radius:8px;border:none;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0}.btn-send:hover{background:var(--primary-hover)}.msg-code-block{background:#0d0d1a;border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin:6px 0 4px;font-family:SF Mono,Fira Code,Cascadia Code,Consolas,monospace;font-size:.8rem;line-height:1.5;overflow-x:auto;white-space:pre;color:#e0e0e0;max-height:300px;overflow-y:auto}.msg-code-block code{font-family:inherit;background:none;padding:0}.channel-message.self .msg-code-block{background:#0000004d;border-color:#ffffff26;color:#f0f0f0}.msg-code-block[data-lang]:before{content:attr(data-lang);display:block;font-size:.6rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-family:-apple-system,BlinkMacSystemFont,sans-serif}.msg-inline-code{background:#6c63ff26;border-radius:4px;padding:1px 5px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.85em;color:#c4b5fd}.channel-message.self .msg-inline-code{background:#ffffff26;color:#f0e6ff}.msg-attachments{margin-top:6px;display:flex;flex-direction:column;gap:4px}.msg-attachment-img-link{display:block}.msg-attachment-img{max-width:300px;max-height:200px;border-radius:8px;cursor:pointer;object-fit:cover;border:1px solid rgba(255,255,255,.1);transition:opacity .15s}.msg-attachment-img:hover{opacity:.85}.msg-attachment-file{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:8px;background:#ffffff0f;border:1px solid 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.drop-overlay{display:flex}.btn-artifacts{width:36px;height:36px;border-radius:8px;border:none;background:var(--surface-hover);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.btn-artifacts:hover{background:var(--border);color:var(--text)}.channel-header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.btn-tts-mute{width:36px;height:36px;border-radius:8px;border:none;background:var(--surface-hover);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.btn-tts-mute:hover{background:var(--border);color:var(--text)}.btn-tts-mute.muted{background:#ff475726;color:#ff4757}.artifacts-panel{position:absolute;top:0;right:0;bottom:0;width:320px;max-width:100%;background:var(--surface);border-left:1px solid var(--border);z-index:15;display:flex;flex-direction:column;box-shadow:-4px 0 20px #0000004d;animation:artifacts-slide-in .2s ease-out}@keyframes artifacts-slide-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.artifacts-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.artifacts-header h4{font-size:.95rem;margin:0}.artifacts-close{width:28px;height:28px;border-radius:6px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.85rem;transition:all .15s}.artifacts-close:hover{background:var(--surface-hover);color:var(--text)}.artifacts-filters{display:flex;gap:4px;padding:8px 16px;border-bottom:1px solid var(--border)}.artifacts-filter-btn{padding:4px 12px;border:1px solid var(--border);border-radius:16px;background:transparent;color:var(--text-muted);font-size:.75rem;cursor:pointer;transition:all .15s}.artifacts-filter-btn:hover{background:var(--surface-hover);color:var(--text)}.artifacts-filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.artifacts-list{flex:1;overflow-y:auto;padding:8px}.artifacts-empty{padding:24px;text-align:center;color:var(--text-muted);font-size:.85rem}.artifact-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:8px;border:none;background:transparent;color:var(--text);cursor:pointer;text-align:left;transition:background .15s}.artifact-item:hover{background:var(--surface-hover)}.artifact-icon{width:36px;height:36px;border-radius:8px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.artifact-info{flex:1;min-width:0}.artifact-name{display:block;font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.artifact-meta{display:block;font-size:.7rem;color:var(--text-muted);margin-top:2px}.artifact-preview-overlay{position:fixed;inset:0;z-index:100;background:#000000b3;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;animation:artifact-fade-in .15s ease-out}@keyframes artifact-fade-in{0%{opacity:0}to{opacity:1}}.artifact-preview-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:90%;max-width:700px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #00000080}.artifact-preview-header{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}.artifact-preview-title{font-weight:600;font-size:.9rem}.artifact-preview-meta{font-size:.75rem;color:var(--text-muted);flex:1}.artifact-preview-body{flex:1;overflow:auto;padding:16px}.artifact-preview-img{max-width:100%;max-height:70vh;border-radius:8px;display:block;margin:0 auto}.artifact-preview-code-wrap{position:relative}.artifact-copy-btn{position:absolute;top:8px;right:8px;padding:4px 10px;border-radius:6px;border:1px solid var(--border);background:var(--surface-hover);color:var(--text);font-size:.75rem;cursor:pointer;z-index:2;transition:all .15s}.artifact-copy-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.artifact-preview-code{background:#0d0d1a;border:1px solid var(--border);border-radius:8px;padding:14px 16px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.82rem;line-height:1.5;overflow:auto;white-space:pre;color:#e0e0e0;max-height:60vh}.btn-download-artifact{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;background:var(--primary);color:#fff;text-decoration:none;font-size:.9rem;font-weight:500;transition:opacity .15s}.btn-download-artifact:hover{opacity:.85}