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background-color var(--transition-fast), opacity var(--transition-fast);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:20px;display:inline-flex}.chat-attach:hover:not(:disabled){color:var(--text-main);background:var(--color-primary-light)}.chat-attach:disabled{opacity:.4;cursor:default}.chat-attachments{flex-wrap:wrap;flex-shrink:0;gap:8px;padding:10px 12px 0;display:flex}.chat-thumb{width:52px;height:52px;position:relative}.chat-thumb img{object-fit:cover;border:1px solid var(--border-light);width:100%;height:100%;display:block}.chat-thumb-remove{background:var(--bg-panel);width:18px;height:18px;color:var(--text-main);border:1px solid var(--border-light);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:10px;line-height:1;display:inline-flex;position:absolute;top:-6px;right:-6px}.chat-thumb-remove:hover{color:var(--color-warn);border-color:var(--color-warn)}.chat-msg-images{flex-wrap:wrap;gap:6px;margin-bottom:6px;display:flex}.chat-msg-images img{border:1px solid var(--border-light);max-width:120px;max-height:120px;display:block}body.doc{display:block}.doc-panel{max-width:820px;-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));color:var(--text-dark);background:#f4f7f6f5;margin:56px auto 72px;padding:48px}.doc-back{font-family:var(--font-mono);letter-spacing:1px;text-transform:uppercase;color:var(--bg-base);transition:color var(--transition-fast);align-items:center;gap:8px;margin-bottom:32px;font-size:11px;text-decoration:none;display:inline-flex}.doc-back:hover{color:var(--text-dark)}.doc-panel h1{font-family:var(--font-sans);letter-spacing:-1px;color:var(--text-dark);border-bottom:1px solid #0f211e33;margin-bottom:8px;padding-bottom:20px;font-size:36px;font-weight:300;line-height:1.15}.doc-panel h2{font-family:var(--font-sans);color:var(--text-dark);margin-top:36px;margin-bottom:10px;font-size:18px;font-weight:500}.doc-panel p,.doc-panel li{font-family:var(--font-sans);color:#0f211eb8;font-size:15px;font-weight:400;line-height:1.7}.doc-panel p{margin-bottom:14px}.doc-panel ul{margin-bottom:14px;padding-left:20px}.doc-panel li{margin-bottom:6px}.doc-panel a:not(.doc-back){color:var(--bg-base);text-underline-offset:2px}@media (width<=768px){.doc-panel{margin:24px auto 40px;padding:24px}.doc-panel h1{font-size:28px}}