:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif;color:#202123;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;--page: #fff;--sidebar: #f7f7f8;--sidebar-hover: #ececee;--sidebar-active: #e4e4e7;--surface: #fff;--surface-raised: rgba(255, 255, 255, .96);--text: #202123;--muted: #6b6b73;--faint: #9a9aa2;--border: #e5e5e7;--bubble: #f1f1f3;--accent: #18181b;--accent-contrast: #fff;--danger: #b42318;--ring: rgba(24, 24, 27, .12);--shadow: 0 14px 38px rgba(0, 0, 0, .12)}:root.dark{color-scheme:dark;color:#ececf1;background:#171717;--page: #171717;--sidebar: #0f0f0f;--sidebar-hover: #212121;--sidebar-active: #2a2a2a;--surface: #212121;--surface-raised: rgba(33, 33, 33, .97);--text: #ececf1;--muted: #aaaab2;--faint: #777780;--border: #323236;--bubble: #2f2f33;--accent: #f4f4f5;--accent-contrast: #18181b;--danger: #f97066;--ring: rgba(255, 255, 255, .12);--shadow: 0 18px 46px rgba(0, 0, 0, .38)}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}button,input,textarea{color:inherit;font:inherit}button{border:0}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #6a9df8;outline-offset:2px}.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);width:100%;height:100%;background:var(--page);color:var(--text)}.sidebar{z-index:30;display:flex;min-width:0;flex-direction:column;overflow:hidden;border-right:1px solid color-mix(in srgb,var(--border) 65%,transparent);background:var(--sidebar);transition:width .18s ease,transform .18s ease,opacity .15s ease}.sidebar-top{display:flex;height:60px;flex:0 0 60px;align-items:center;justify-content:space-between;padding:10px 12px}.brand{display:flex;min-width:0;align-items:center;gap:10px;padding:4px;background:transparent;cursor:pointer}.brand-mark,.welcome-mark,.assistant-avatar{display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#26262b,#09090b);box-shadow:inset 0 0 0 1px #ffffff1a,0 4px 12px #00000024;font-family:"Noto Serif JP",YuMincho,serif}.dark .brand-mark,.dark .welcome-mark,.dark .assistant-avatar{color:#171717;background:linear-gradient(145deg,#fafafa,#d4d4d8);box-shadow:inset 0 0 0 1px #00000014,0 5px 16px #00000047}.brand-mark{width:30px;height:30px;flex:0 0 auto;border-radius:9px;font-size:17px}.brand-name{overflow:hidden;font-size:15px;font-weight:650;letter-spacing:-.015em;text-overflow:ellipsis;white-space:nowrap}.icon-button{display:grid;width:36px;height:36px;flex:0 0 auto;place-items:center;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer}.icon-button:hover{background:var(--sidebar-hover);color:var(--text)}.new-chat-button{display:flex;height:40px;flex:0 0 40px;align-items:center;gap:10px;margin:4px 10px 10px;padding:0 12px;border:1px solid var(--border);border-radius:11px;background:var(--surface);font-size:13.5px;font-weight:560;box-shadow:0 1px 2px #00000008;cursor:pointer}.new-chat-button:hover{border-color:color-mix(in srgb,var(--text) 22%,var(--border));background:color-mix(in srgb,var(--surface) 72%,var(--sidebar-hover))}.search-box{display:flex;height:34px;flex:0 0 34px;align-items:center;gap:8px;margin:0 10px 8px;padding:0 10px;border-radius:9px;color:var(--faint);background:color-mix(in srgb,var(--sidebar-hover) 58%,transparent)}.search-box input{width:100%;min-width:0;border:0;outline:0;background:transparent;font-size:13px}.search-box input::placeholder{color:var(--faint)}.conversation-list{min-height:0;flex:1;overflow-x:hidden;overflow-y:auto;padding:3px 8px 14px;scrollbar-width:thin}.conversation-group h2{margin:16px 8px 5px;color:var(--faint);font-size:11px;font-weight:650;letter-spacing:.02em}.conversation-item{position:relative;display:grid;width:100%;height:38px;grid-template-columns:17px minmax(0,1fr) 24px;align-items:center;gap:8px;padding:0 7px 0 9px;border-radius:9px;background:transparent;color:var(--muted);text-align:left;cursor:pointer}.conversation-item>span:nth-child(2){overflow:hidden;color:var(--text);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.conversation-item:hover,.conversation-item.active{background:var(--sidebar-hover)}.conversation-item.active{background:var(--sidebar-active)}.delete-chat{display:grid;width:24px;height:24px;place-items:center;border-radius:7px;color:var(--faint);opacity:0}.conversation-item:hover .delete-chat,.conversation-item:focus-visible .delete-chat{opacity:1}.delete-chat:hover{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent)}.empty-history{margin:22px 10px;color:var(--faint);font-size:12px;text-align:center}.sidebar-footer{display:flex;min-height:64px;flex:0 0 auto;align-items:center;gap:10px;margin:0 8px 8px;padding:9px 8px;border-top:1px solid var(--border)}.guest-avatar{display:grid;width:30px;height:30px;flex:0 0 auto;place-items:center;border-radius:50%;color:#fff;background:#73737d;font-size:12px;font-weight:700}.sidebar-footer div:last-child{min-width:0}.sidebar-footer strong,.sidebar-footer span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-footer strong{font-size:12.5px;font-weight:600}.sidebar-footer span{margin-top:2px;color:var(--faint);font-size:10.5px}.main-panel{position:relative;display:grid;min-width:0;min-height:0;grid-template-rows:58px minmax(0,1fr) auto;background:var(--page)}.topbar{z-index:10;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:color-mix(in srgb,var(--page) 92%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topbar-left,.topbar-actions{display:flex;align-items:center;gap:4px}.model-picker{position:relative}.model-button{display:flex;height:36px;align-items:center;gap:6px;padding:0 10px;border-radius:10px;background:transparent;font-size:14px;font-weight:650;cursor:pointer}.model-button:hover{background:var(--sidebar-hover)}.model-menu{position:absolute;top:42px;left:0;width:300px;overflow:hidden;padding:6px;border:1px solid var(--border);border-radius:14px;background:var(--surface-raised);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.model-menu>p{margin:6px 9px 7px;color:var(--faint);font-size:11px;font-weight:650}.model-menu button{display:flex;width:100%;min-height:54px;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:9px;background:transparent;text-align:left;cursor:pointer}.model-menu button:hover,.model-menu button.active{background:var(--sidebar-hover)}.model-menu strong,.model-menu small{display:block}.model-menu strong{font-size:13px;font-weight:620}.model-menu small{max-width:230px;margin-top:3px;overflow:hidden;color:var(--faint);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.connection-pill{display:inline-flex;height:28px;align-items:center;gap:6px;padding:0 9px;border:1px solid var(--border);border-radius:999px;color:var(--faint);font-size:11px}.connection-pill i{width:6px;height:6px;border-radius:50%;background:#a1a1aa}.connection-pill.online{color:#34715a}.dark .connection-pill.online{color:#8cc9ab}.connection-pill.online i{background:#38a169;box-shadow:0 0 0 3px #38a1691f}.chat-area{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.chat-area.welcome{display:grid;place-items:center;overflow-y:auto}.welcome-panel{width:min(700px,calc(100% - 44px));margin:auto;padding:44px 0 30px;text-align:center}.welcome-mark{width:54px;height:54px;margin:0 auto 20px;border-radius:17px;font-size:27px}.welcome-panel h1{margin:0;font-size:clamp(25px,3vw,32px);font-weight:650;letter-spacing:-.035em}.welcome-panel>p{margin:12px auto 30px;color:var(--muted);font-size:14px;line-height:1.75}.suggestion-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;text-align:left}.suggestion-grid button{min-height:78px;padding:14px 15px;border:1px solid var(--border);border-radius:14px;background:var(--surface);cursor:pointer}.suggestion-grid button:hover{border-color:color-mix(in srgb,var(--text) 22%,var(--border));background:color-mix(in srgb,var(--surface) 92%,var(--sidebar-hover));box-shadow:0 5px 18px #0000000a}.suggestion-grid strong,.suggestion-grid span{display:block}.suggestion-grid strong{margin-bottom:5px;font-size:13px;font-weight:620}.suggestion-grid span{overflow:hidden;color:var(--faint);font-size:11.5px;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}.message-column{width:min(760px,calc(100% - 40px));margin:0 auto;padding:28px 0 50px}.message-row{position:relative;display:flex;width:100%;gap:13px;margin-bottom:30px}.message-row.user{justify-content:flex-end;padding-left:90px}.assistant-avatar{width:29px;height:29px;flex:0 0 29px;border-radius:9px;font-size:14px}.message-content{min-width:0;max-width:100%;font-size:14.5px;line-height:1.75}.assistant .message-content{width:calc(100% - 42px);padding-top:2px}.user-bubble{max-width:560px;padding:9px 14px;border-radius:17px 17px 4px;background:var(--bubble);white-space:pre-wrap}.message-row.error .markdown-body{color:var(--danger)}.message-actions{display:flex;height:26px;align-items:center;gap:1px;margin-top:5px;opacity:0;transition:opacity .12s ease}.user .message-actions{justify-content:flex-end}.message-row:hover .message-actions,.message-row:focus-within .message-actions{opacity:1}.message-actions button{display:grid;width:28px;height:26px;place-items:center;border-radius:7px;background:transparent;color:var(--faint);cursor:pointer}.message-actions button:hover{background:var(--sidebar-hover);color:var(--text)}.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}.markdown-body p,.markdown-body ul,.markdown-body ol,.markdown-body pre,.markdown-body blockquote{margin:0 0 13px}.markdown-body ul,.markdown-body ol{padding-left:24px}.markdown-body li{margin:4px 0}.markdown-body a{color:#3275d8;text-underline-offset:3px}.markdown-body blockquote{padding-left:13px;border-left:3px solid var(--border);color:var(--muted)}.markdown-body code{padding:2px 5px;border-radius:5px;background:var(--sidebar-hover);font:.88em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.markdown-body pre{overflow-x:auto;padding:14px;border:1px solid var(--border);border-radius:11px;background:var(--sidebar)}.markdown-body pre code{padding:0;background:transparent}.thinking{display:flex;height:28px;align-items:center;gap:4px;color:var(--faint)}.reasoning{margin-bottom:10px;border-left:2px solid var(--border);padding-left:10px}.reasoning summary{display:inline-flex;align-items:center;gap:4px;padding:2px 0;color:var(--muted);cursor:pointer;font-size:12px;list-style:none;-webkit-user-select:none;user-select:none}.reasoning summary::-webkit-details-marker{display:none}.reasoning summary:hover{color:var(--text)}.reasoning-caret{transition:transform .16s ease}.reasoning[open] .reasoning-caret{transform:rotate(90deg)}.reasoning-body{margin-top:4px;color:var(--muted);font-size:13px}.reasoning-body :is(p,ul,ol,pre){margin:4px 0}.avatar-brush{width:19px;height:19px;overflow:visible}.brush-stroke{fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}.assistant-avatar.writing{color:#fff;animation:avatar-heartbeat 1s ease-in-out infinite}.dark .assistant-avatar.writing{color:#171717}.brush-stroke.first{animation:brush-first 3s linear infinite}.brush-stroke.second{animation:brush-second 3s linear infinite}@keyframes brush-first{0%{stroke-dashoffset:1;opacity:1}14%{stroke-dashoffset:0;opacity:1}78%{stroke-dashoffset:0;opacity:1}92%{stroke-dashoffset:0;opacity:0}93%,to{stroke-dashoffset:1;opacity:0}}@keyframes brush-second{0%,33%{stroke-dashoffset:1;opacity:1}47%{stroke-dashoffset:0;opacity:1}78%{stroke-dashoffset:0;opacity:1}92%{stroke-dashoffset:0;opacity:0}93%,to{stroke-dashoffset:1;opacity:0}}@keyframes avatar-heartbeat{0%,to{transform:scale(1)}9%{transform:scale(1.11)}20%{transform:scale(1.005)}29%{transform:scale(1.055)}44%{transform:scale(1)}}.thinking-verb{position:relative;display:inline-flex;height:16px;align-items:center}.thinking em{font-size:11px;font-style:normal;white-space:nowrap;background:linear-gradient(90deg,var(--faint) 0%,var(--text) 42%,var(--faint) 84%);background-clip:text;-webkit-background-clip:text;color:transparent;animation:verb-shimmer 2.6s linear infinite;background-size:220% 100%}.thinking-elapsed{margin-left:6px;font-size:11px;font-variant-numeric:tabular-nums;opacity:.6}.thinking-stop{display:grid;width:20px;height:20px;margin-left:8px;place-items:center;border-radius:6px;background:transparent;color:var(--faint);cursor:pointer}.thinking-stop:hover{background:var(--bubble);color:var(--text)}.composer-note{margin-left:6px;opacity:.75}@keyframes verb-shimmer{0%{background-position:130% 0}to{background-position:-70% 0}}@media(prefers-reduced-motion:reduce){.assistant-avatar.writing{animation:none}.brush-stroke{stroke-dashoffset:0;animation:none}.reasoning-caret{transition:none}.thinking em{background:none;color:var(--muted);animation:none}}.message-end{height:1px}.composer-wrap{z-index:8;padding:0 20px max(12px,env(safe-area-inset-bottom));background:linear-gradient(to top,var(--page) 72%,color-mix(in srgb,var(--page) 88%,transparent) 88%,transparent)}.composer{position:relative;display:flex;width:min(760px,100%);min-height:52px;flex-direction:column;gap:8px;margin:0 auto;padding:8px 8px 8px 9px;border:1px solid color-mix(in srgb,var(--border) 95%,var(--text));border-radius:17px;background:var(--surface);box-shadow:0 5px 24px #00000014,0 1px 2px #0000000a}.composer.dragging{border-color:color-mix(in srgb,var(--text) 40%,var(--border));background:color-mix(in srgb,var(--surface) 88%,var(--sidebar-hover))}.composer-row{display:flex;align-items:flex-end;gap:6px}.attach-button{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border-radius:11px;background:transparent;color:var(--faint);cursor:pointer}.attach-button:hover{background:var(--sidebar-hover);color:var(--text)}.thread-ended-banner{width:min(760px,100%);margin:0 auto 8px;padding:10px 13px;display:flex;flex-direction:column;gap:3px;border:1px solid color-mix(in srgb,var(--danger) 35%,var(--border));border-radius:12px;background:color-mix(in srgb,var(--danger) 7%,var(--surface));color:var(--text);font-size:12px}.thread-ended-banner strong{color:var(--danger)}.thread-ended-banner span{color:var(--muted)}.thread-restored-banner{width:min(760px,100%);margin:0 auto 8px;padding:10px 13px;display:flex;flex-direction:column;gap:3px;border:1px solid color-mix(in srgb,#2f9e63 38%,var(--border));border-radius:12px;background:color-mix(in srgb,#2f9e63 7%,var(--surface));color:var(--text);font-size:12px}.thread-restored-banner strong{color:#278454}.dark .thread-restored-banner strong{color:#77d49d}.thread-restored-banner span{color:var(--muted)}.composer-row textarea:disabled{cursor:not-allowed;opacity:.65}.attach-button:disabled,.mic-button:disabled{opacity:.45;cursor:default}.mic-button{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border-radius:11px;background:transparent;color:var(--faint);cursor:pointer}.mic-button:hover:not(:disabled){background:var(--sidebar-hover);color:var(--text)}.mic-button.active{color:var(--danger)}.recording-bar{display:flex;min-height:40px;align-items:center;gap:8px;padding:5px 6px 5px 9px;border:1px solid color-mix(in srgb,var(--danger) 34%,var(--border));border-radius:11px;background:color-mix(in srgb,var(--danger) 5%,var(--surface))}.recording-dot{width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:var(--danger);animation:recording-pulse 1.3s ease-in-out infinite}.recording-bar strong{color:var(--danger);font-size:12px}.recording-bar time{margin-right:auto;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.recording-cancel{padding:5px 7px;border-radius:7px;background:transparent;color:var(--muted);font-size:11px;cursor:pointer}.recording-cancel:hover{background:var(--sidebar-hover);color:var(--text)}.recording-stop{display:grid;width:28px;height:28px;place-items:center;border-radius:8px;background:var(--danger);color:#fff;cursor:pointer}@keyframes recording-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.78)}}@media(prefers-reduced-motion:reduce){.recording-dot{animation:none}}.attachment-strip{display:flex;flex-wrap:wrap;gap:8px;padding:2px 0 0 6px}.attachment-chip{position:relative;width:58px;height:58px}.attachment-chip img{width:100%;height:100%;border:1px solid var(--border);border-radius:10px;object-fit:cover}.attachment-audio{display:flex;width:128px;height:52px;align-items:center;gap:7px;padding:7px 22px 7px 9px;border:1px solid var(--border);border-radius:10px;background:var(--sidebar-hover);color:var(--muted)}.attachment-audio small{overflow:hidden;color:var(--text);font-size:11px;text-overflow:ellipsis;white-space:nowrap}.attachment-chip button{position:absolute;top:-6px;right:-6px;display:grid;width:19px;height:19px;place-items:center;border-radius:50%;color:var(--accent-contrast);background:var(--accent);box-shadow:0 1px 4px #0000004d;cursor:pointer}.attachment-error{width:min(760px,100%);margin:0 auto 6px;color:var(--danger);font-size:11.5px}.sent-images{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;margin-bottom:6px}.sent-images img{max-width:min(260px,100%);max-height:260px;border:1px solid var(--border);border-radius:13px;object-fit:contain}.sent-audio{display:grid;justify-items:end;gap:6px;margin-bottom:6px}.audio-message{width:min(360px,100%);padding:9px 10px;border:1px solid var(--border);border-radius:13px;background:var(--surface)}.audio-message span{display:flex;align-items:center;gap:6px;margin-bottom:5px;color:var(--muted);font-size:11px}.audio-message audio{display:block;width:100%;height:34px}.dark .composer{box-shadow:0 9px 28px #00000045,0 1px #ffffff0a inset}.composer:focus-within{border-color:color-mix(in srgb,var(--text) 25%,var(--border));box-shadow:0 0 0 3px var(--ring),0 7px 25px #00000014}.composer-row textarea{width:100%;min-height:34px;max-height:192px;resize:none;overflow-y:auto;padding:6px 0 5px;border:0;outline:0;background:transparent;font-size:15px;line-height:1.5}.composer-row textarea::placeholder{color:var(--faint)}.send-button{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border-radius:11px;background:var(--sidebar-hover);color:var(--faint);cursor:default}.send-button.ready,.send-button.stop{background:var(--accent);color:var(--accent-contrast);cursor:pointer}.composer-wrap>p{margin:7px auto 0;color:var(--faint);font-size:10px;text-align:center}.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.sidebar-collapsed .sidebar{width:0;border:0;opacity:0;pointer-events:none}.mobile-menu,.sidebar-close-mobile,.sidebar-backdrop{display:none}html[data-visual-test=true] *,html[data-visual-test=true] *:before,html[data-visual-test=true] *:after{animation:none!important;caret-color:transparent!important;transition:none!important}@media(max-width:760px){.app-shell,.sidebar-collapsed{grid-template-columns:minmax(0,1fr)}.sidebar,.sidebar-collapsed .sidebar{position:fixed;top:0;bottom:0;left:0;width:min(310px,88vw);border-right:1px solid var(--border);opacity:1;transform:translate(-105%);pointer-events:auto}.sidebar.mobile-open{transform:translate(0)}.sidebar-backdrop{position:fixed;z-index:25;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;background:#0000006b;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.sidebar-close-mobile,.mobile-menu{display:grid}.collapse-button{display:none}.topbar{padding:0 10px}.connection-pill{width:28px;padding:0;justify-content:center;border:0;font-size:0}.model-menu{left:-34px;width:min(300px,calc(100vw - 24px))}.welcome-panel{width:calc(100% - 28px);padding:24px 0 20px}.welcome-mark{width:48px;height:48px;margin-bottom:16px;border-radius:15px;font-size:23px}.welcome-panel>p{margin-bottom:22px;font-size:13px}.suggestion-grid{grid-template-columns:1fr;gap:8px}.suggestion-grid button{min-height:64px;padding:11px 13px}.message-column{width:calc(100% - 24px);padding-top:18px}.message-row{margin-bottom:24px;gap:10px}.message-row.user{padding-left:50px}.assistant .message-content{width:calc(100% - 39px);font-size:14px}.message-actions{opacity:1}.composer-wrap{padding-right:10px;padding-left:10px}.composer{border-radius:16px}.composer-wrap>p{padding:0 6px;font-size:9px}}@media(max-height:700px){.welcome-panel{padding-top:12px}.welcome-mark{margin-bottom:12px}.welcome-panel>p{margin-bottom:18px}}
