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6px;color:var(--muted);font-size:12px}.composer-processing svg{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.drop-overlay{position:fixed;z-index:90;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text);background:color-mix(in srgb,var(--bg) 92%,transparent);border:3px dashed color-mix(in srgb,var(--accent) 75%,transparent);pointer-events:none}.drop-overlay strong{font-size:20px}.drop-overlay span{color:var(--muted);font-size:13px}.active-tool{width:fit-content;height:32px;display:inline-flex;align-items:center;gap:6px;margin:1px 2px 6px;padding:0 10px;border:1px solid color-mix(in srgb,var(--accent) 50%,var(--line));border-radius:18px;color:#087d61;background:color-mix(in srgb,var(--accent) 8%,var(--composer));font-size:13px;cursor:pointer}.active-tool:disabled{opacity:.65;cursor:wait}:root[data-theme=dark] .active-tool{color:#5fd1b3}.composer-input-row{width:100%;display:flex;align-items:flex-end;gap:4px}.composer-tools{height:36px;display:flex;align-items:center;flex:none}.tool-menu-wrap{position:static}.round-tool-button,.send-button{width:40px;height:40px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;background:transparent;cursor:pointer}.round-tool-button:hover{background:var(--sidebar-hover)}.round-tool-button:disabled{color:var(--faint);cursor:wait}.send-button{color:var(--button-text);background:var(--button)}.send-button:disabled{color:var(--faint);background:color-mix(in srgb,var(--text) 12%,transparent);cursor:default}.tool-menu{left:0;bottom:calc(100% + 8px);width:100%;padding:6px;border-radius:12px}.composer-area.centered .tool-menu{top:calc(100% + 8px);bottom:auto}.tool-menu button{width:100%;min-height:48px;display:flex;align-items:center;gap:12px;padding:5px 12px;border:0;border-radius:7px;background:transparent;text-align:left;cursor:pointer}.tool-menu button:hover{background:var(--sidebar-hover)}.tool-menu button>svg{flex:none;color:var(--text)}.tool-option-copy{min-width:0;display:flex;align-items:baseline;gap:10px}.tool-option-copy strong{flex:none;font-size:14px;font-weight:500}.tool-option-copy small{min-width:0;overflow:hidden;color:var(--faint);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.composer-error{width:min(100%,768px);min-height:24px;margin:5px auto 0;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;padding:0 8px;color:var(--danger);font-size:12px;line-height:1.4;text-align:center;overflow-wrap:anywhere}.composer-error-retry{min-height:28px;padding:2px 9px;border:1px solid color-mix(in srgb,var(--danger) 42%,var(--line));border-radius:6px;color:var(--danger);background:transparent;font-size:12px;cursor:pointer}.composer-error-retry:hover{background:color-mix(in srgb,var(--danger) 8%,transparent)}.composer-error button{width:32px;height:32px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;background:transparent;cursor:pointer}.composer-error button.composer-error-retry{width:auto;height:28px;display:inline-flex;align-items:center;justify-content:center;padding:2px 9px;border:1px solid color-mix(in srgb,var(--danger) 42%,var(--line));border-radius:6px}.disclaimer{width:min(100%,768px);margin:7px auto 0;padding:0 8px;color:var(--faint);font-size:11px;line-height:1.35;text-align:center;overflow-wrap:anywhere}.sidebar-scrim{display:none}@media(max-width:760px){.sidebar{position:fixed;inset:0 auto 0 0;width:min(88vw,320px);min-width:min(88vw,320px);transform:translate(-102%);box-shadow:10px 0 30px #00000026}.sidebar.mobile-open{transform:translate(0)}.sidebar.collapsed{width:min(88vw,320px);min-width:min(88vw,320px);padding:10px 8px}.sidebar-scrim{position:fixed;z-index:29;inset:0;display:block;width:100%;height:100%;padding:0;border:0;background:#00000061}.collapse-button{display:none}.mobile-close,.mobile-menu{display:grid}.desktop-expand{display:none}.topbar{height:56px;padding:0 9px}.topbar-action{width:40px;padding:0;justify-content:center}.topbar-action span{display:none}.shared-header{padding:0 14px}.shared-main{padding:30px 14px 20px}.shared-intro{margin-bottom:30px}.shared-intro h1{font-size:21px}.model-select{height:40px;padding:0 7px;font-size:16px}.model-menu{width:min(300px,calc(100vw - 68px))}.conversation.empty{padding:64px 12px 24px}.conversation.has-messages{padding:72px 12px calc(var(--composer-height, 144px) + 18px)}.empty-state{transform:translateY(20px)}.empty-state h1{margin-bottom:26px;font-size:23px}.quick-actions{margin-top:20px;padding-left:0}.message-row{margin-bottom:26px}.user-message{max-width:88%}.composer-area{padding-left:10px;padding-right:10px}.composer-shell{border-radius:24px}.disclaimer{font-size:10px}.attachment{width:200px}.remove-attachment{width:44px;height:44px;top:-10px;right:-10px}.round-tool-button,.send-button{width:44px;height:44px}.message-actions{min-height:44px}.message-actions button{width:44px;height:44px}.composer-tools{height:44px}.composer-shell textarea,.active-tool{min-height:40px}.composer-error button{width:44px;height:44px}.drop-overlay{padding:24px;text-align:center}}@media(max-width:390px){.empty-state{transform:translateY(10px)}.user-message{max-width:92%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}