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minmax(0,1fr);align-items:center;gap:var(--ui-space-2);padding:var(--ui-space-2);border:0;border-radius:7px;color:#2d3646;background:transparent;text-align:left}.composer-add-menu button:hover,.composer-add-menu button:focus-visible{outline:0;background:#f2f5fa}.composer-add-menu .workbench-icon{width:17px;height:17px;color:#62708a}.composer-add-menu span{min-width:0;display:flex;flex-direction:column;gap:1px}.composer-add-menu b{font-size:var(--ui-font-caption);font-weight:550}.composer-add-menu small{overflow:hidden;color:var(--ui-muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.composer-upload-error{position:absolute;left:0;bottom:calc(100% + var(--ui-space-2));width:max-content;max-width:min(360px,calc(100vw - 32px));padding:7px 9px;border:1px solid #f1caca;border-radius:var(--ui-radius-control);color:#a33e3e;background:#fff8f8;font-size:var(--ui-font-caption)}.composer-attachments{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}.composer-attachments>span{min-width:0;max-width:240px;flex:0 0 auto;display:grid;grid-template-columns:15px minmax(0,1fr) auto 18px;align-items:center;gap:5px;padding:6px 7px;border:1px solid #dfe4ec;border-radius:var(--ui-radius-control);color:#566174;background:#f7f9fc}.composer-attachments .workbench-icon{width:14px;height:14px}.composer-attachments b{overflow:hidden;font-size:11px;font-weight:500;text-overflow:ellipsis;white-space:nowrap}.composer-attachments small{color:var(--ui-muted);font-size:10px;white-space:nowrap}.composer-attachments button{display:grid;place-items:center;min-width:18px;width:18px;min-height:18px;height:18px;padding:0;border:0;border-radius:50%;color:#777f8c;background:transparent}.composer-attachments button:hover:enabled{color:#a33e3e;background:#fdecec}.composer-controls .plugin-add{width:var(--ui-control-height);min-width:var(--ui-control-height);height:var(--ui-control-height);border:0;color:#446294;background:transparent;border-radius:var(--ui-radius-control)}.composer-controls .plugin-add:hover:enabled,.composer-controls .plugin-add[aria-expanded=true]{background:#f6f8ff}.composer-controls .send-button{display:grid;place-items:center;padding:0;min-width:var(--ui-control-height);width:var(--ui-control-height);min-height:var(--ui-control-height);border-radius:var(--ui-radius-control)}.send-button .workbench-icon{width:22px;height:22px}.send-button:disabled{opacity:.6}.composer-controls .stop-button{display:grid;place-items:center;padding:0;min-width:var(--ui-control-height);width:var(--ui-control-height);min-height:var(--ui-control-height);border-radius:var(--ui-radius-control);color:#a33e3e;border-color:#e8b9b9;background:#fff8f8}.composer-controls .stop-button:hover:enabled{background:#fff0f0}.stop-button .workbench-icon{width:20px;height:20px}.composer-note{margin-top:var(--ui-space-2);color:var(--ui-muted);font-size:var(--ui-font-caption)}.plugin-picker{width:264px;left:0;bottom:calc(100% + 8px);padding:var(--ui-space-2);border-radius:var(--ui-radius-card);border-color:#e3e7f0;box-shadow:0 12px 30px #273b6012}.plugin-picker-heading{min-height:var(--ui-control-height);padding:0 var(--ui-space-1) var(--ui-space-2);color:#344056;font-size:var(--ui-font-section)}.composer-controls .plugin-close{min-width:28px;width:28px;min-height:28px;height:28px;font-size:19px}.plugin-options{gap:1px}.plugin-option{min-height:var(--ui-control-height);padding:6px var(--ui-space-2);gap:var(--ui-space-2);font-size:var(--ui-font-control);border-radius:var(--ui-radius-control)}.plugin-option[aria-pressed=true]{background:#f3f6ff;box-shadow:inset 0 0 0 1px #e7edfc}.plugin-option.pending{color:#414b5e}.plugin-option .plugin-mark{background:transparent;color:#475166;width:24px;height:26px}.plugin-option[aria-pressed=true] .plugin-mark{color:#205cf1}.plugin-option-state{padding:3px 8px;border-radius:10px;background:#f3f4f6;color:#7a8394;font-size:var(--ui-font-caption)}.plugin-option[aria-pressed=true] .plugin-option-state{background:#e2eaff;color:#275ccf}.composer-controls .plugin-browse{justify-content:center;gap:12px;color:#205ce7;font-size:var(--ui-font-control);padding:10px 4px 2px;min-height:36px}.plugin-transcript{background:transparent}.plugin-mark{width:36px;height:36px;border-radius:var(--ui-radius-control);color:#3567cf;background:#eef3ff}.plugin-mark-story{color:#7e64b1;background:#f2eefa}.plugin-mark-builder{color:#4f866e;background:#edf5f0}.plugin-mark-youji{color:#a2824d;background:#fbf4e9}.turn{display:flex;flex-direction:column}.user-message{align-self:flex-end;width:fit-content;max-width:min(78%,640px);margin:0 0 var(--ui-space-5) auto;padding:var(--ui-space-3) var(--ui-space-4);border-radius:var(--ui-radius-card);background:#f1f4fa}.message-meta{display:flex;align-items:center;gap:var(--ui-space-2);color:var(--ui-muted);font-size:var(--ui-font-caption);line-height:1.2}.user-message .message-meta{justify-content:flex-end}.message-label,.message-time{font-size:inherit;color:inherit;font-variant-numeric:tabular-nums}.user-message p{margin-top:var(--ui-space-1)}.assistant-message{align-self:flex-start;width:min(100%,var(--ui-reading-width))}.assistant-label{gap:var(--ui-space-2);margin-bottom:var(--ui-space-3);font-size:var(--ui-font-body)}.assistant-label .run-status{margin-left:0}.assistant-label .message-time{color:var(--ui-muted);font-weight:400}.mini-mark{width:30px;height:30px}.tool-line{min-height:var(--ui-control-height);padding:var(--ui-space-2) 0;align-items:center}.tool-status-icon{display:inline-grid;place-items:center;width:16px;height:16px;flex:0 0 16px;border-radius:50%}.tool-status-icon[data-status=running]{border:1.5px solid #cbd7fa;border-top-color:var(--accent);animation:spin .8s linear infinite}.tool-status-icon[data-status=completed]{position:relative;border:1.5px solid #159e81;background:#f2fcf9}.tool-status-icon[data-status=completed]:after{content:"";width:6px;height:3px;border-left:1.5px solid #159e81;border-bottom:1.5px solid #159e81;transform:translateY(-1px) rotate(-45deg)}.tool-status-icon[data-status=failed]{position:relative;border:1.5px solid #c78139;background:#fff5e4}.tool-status-icon[data-status=failed]:after{content:"!";color:#a86524;font-size:11px;font-weight:650;line-height:1}.tool-line>span:nth-child(2){flex:1}.tool-elapsed{color:var(--ui-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.tool-line[data-status=failed]{color:#904f30}.thinking{padding:var(--ui-space-2) 0}.markdown{font-size:var(--ui-font-body)}.sources{border-color:#e8ecf5}.mobile-menu-button,.sidebar-close{display:none}@media(max-width:900px){.sidebar{width:208px}.suggestions button{gap:var(--ui-space-1)}.suggestions .workbench-icon:last-child{margin-left:0}}@media(max-width:640px){.sidebar-close{display:grid;place-items:center;position:absolute;top:var(--ui-space-2);right:var(--ui-space-2);width:var(--ui-touch-target);height:var(--ui-touch-target);padding:0;border:0;background:transparent;font-size:var(--ui-font-title)}.main{margin:var(--ui-space-2)}.mobile-menu-button{display:grid;place-items:center;position:absolute;z-index:2;top:var(--ui-space-2);left:var(--ui-space-2);width:var(--ui-touch-target);height:var(--ui-touch-target);padding:var(--ui-space-2);border:0;background:#ffffffd9;box-shadow:0 2px 10px #25366412}.transcript{padding-top:calc(var(--ui-touch-target) + var(--ui-space-2))}.sidebar{top:var(--ui-space-2);bottom:var(--ui-space-2);left:var(--ui-space-2);width:min(290px,85vw);padding:var(--ui-space-4);background:#f6f7fa;border:1px solid #e3e7f0;border-radius:var(--ui-radius-panel)}.sidebar-footer .account-actions{display:none}.visitor-account-prompt{display:block;margin-top:var(--ui-space-4);color:var(--ui-muted);font-size:var(--ui-font-caption)}.visitor-account-prompt>div{display:flex;justify-content:center;gap:var(--ui-space-2);margin-top:var(--ui-space-2)}.visitor-account-prompt a{display:grid;place-items:center;min-height:var(--ui-touch-target);padding:6px var(--ui-space-3);border:1px solid #aebfe3;border-radius:var(--ui-radius-control);color:var(--accent);font-size:var(--ui-font-control);text-decoration:none}.visitor-account-prompt .account-login{color:#fff;background:var(--accent);border-color:var(--accent)}.empty-state{padding-top:var(--ui-space-6)}.suggestions{margin-top:var(--ui-space-4);align-items:center}.suggestions button{width:min(270px,100%);justify-content:flex-start;gap:var(--ui-space-3)}.suggestions .workbench-icon:last-child{margin-left:auto}.composer-area{padding-bottom:max(12px,env(safe-area-inset-bottom))}.composer textarea{font-size:var(--ui-font-section)}.composer-controls{gap:var(--ui-space-2)}.composer-controls .plugin-close{min-width:var(--ui-touch-target);min-height:var(--ui-touch-target)}.plugin-picker{max-width:calc(100vw - 64px)}}@media(max-height:700px){.empty-state{padding-top:var(--ui-space-6)}.empty-mark{width:48px;height:48px;margin-bottom:var(--ui-space-3)}.suggestions{margin-top:var(--ui-space-4)}}@media(prefers-reduced-motion:reduce){button,a,input,textarea{transition:none}}