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0;font:inherit}.agent-chat-input-toolbar{display:flex;align-items:center;gap:8px;padding-top:2px}.agent-chat-add-btn{width:28px;height:28px;border:none;border-radius:50%;background:transparent;color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;opacity:1}.agent-chat-add-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.agent-chat-add-btn:disabled{opacity:.45;cursor:not-allowed}.agent-chat-add-wrap{position:relative;display:inline-flex}.agent-file-input{display:none}.agent-add-menu{width:100%;background:var(--bg-elevated);border:1px solid var(--border);border-radius:14px;padding:8px;box-shadow:0 12px 32px #00000047;z-index:100}.agent-add-menu-portal{position:fixed;transform:translateY(-100%);z-index:1000}.agent-add-menu-item{width:100%;display:flex;align-items:flex-start;gap:10px;border:none;background:transparent;color:var(--text);border-radius:10px;padding:10px 12px;text-align:left;cursor:pointer}.agent-add-menu-item:hover,.agent-add-menu-item:focus-visible{background:var(--bg-hover);outline:none}.agent-add-menu-icon{width:20px;height:20px;flex-shrink:0;color:var(--text-muted);margin-top:1px}.agent-add-menu-text{display:flex;flex-direction:column;gap:2px;min-width:0}.agent-add-menu-label{font-size:13px;font-weight:500}.agent-add-menu-desc{font-size:12px;color:var(--text-muted)}.agent-attachments{display:flex;flex-wrap:wrap;gap:8px;padding:0 2px 4px}.agent-attachment{position:relative;width:72px;height:72px;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:#ffffff0a}.agent-attachment-open{display:block;width:100%;height:100%;cursor:pointer}.agent-attachment-open:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.agent-attachment img{width:100%;height:100%;object-fit:cover;display:block}.agent-attachment-remove{position:absolute;top:4px;right:4px;width:20px;height:20px;border:none;border-radius:50%;background:#000000a6;color:#fff;font-size:14px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0}.agent-attachment-remove:hover:not(:disabled){background:#000000d9}.agent-attachment-remove:disabled{opacity:.5;cursor:not-allowed}.agent-upload-status,.agent-upload-error{margin:0 0 8px;font-size:12px;padding:8px 12px;border-radius:8px}.agent-upload-status{color:var(--text-muted);background:var(--bg)}.agent-upload-error{color:#f87171;background:#f871711a}.agent-chat-send-btn{position:relative;width:32px;height:32px;flex-shrink:0;margin-left:auto;padding:0;border:none;border-radius:50%;background:var(--agent-accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.agent-chat-send-btn:hover:not(:disabled){background:var(--agent-accent-hover)}.agent-chat-send-btn:disabled{opacity:.4;cursor:not-allowed}.agent-chat-send-btn.is-waiting{background:var(--bg-active);color:var(--text)}.agent-chat-send-progress{position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;border:2px solid transparent;border-top-color:var(--agent-accent);animation:agent-spin .8s linear infinite}.agent-chat-send-stop{width:10px;height:10px;border-radius:2px;background:var(--text)}@keyframes agent-spin{to{transform:rotate(360deg)}}html[data-theme=light] .agent-panel{background:#fff}html[data-theme=light] .agent-loaded-file,html[data-theme=light] .agent-attachment{background:#00000008}html[data-theme=light] .agent-loaded-file-remove{background:#00000059}html[data-theme=light] .agent-loaded-file-remove:hover:not(:disabled){background:#0000008c}@media(max-width:900px){.app.agent-open{grid-template-columns:var(--rail-w) var(--sidebar-w) 1fr}.app.sidebar-collapsed.agent-open{grid-template-columns:var(--rail-w) 1fr}.agent-panel{position:fixed;top:0;right:0;bottom:0;width:min(var(--agent-w),100vw);z-index:40;box-shadow:-8px 0 24px var(--shadow)}}