:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#101218;--surface:#1a1d26;--surface-2:#232733;--surface-3:#2c3140;--line:#343948;--text:#f1f3f5;--muted:#aeb4c2;--accent:#7c6bf2;--accent-hover:#8d7ffa;--green:#49c68b;--danger:#ff7a83}*{box-sizing:border-box}html{background:var(--bg);min-width:320px}body{min-height:100vh;color:var(--text);background:radial-gradient(circle at 15% 0%, #26243e 0, transparent 30rem), var(--bg);margin:0;font-family:Inter,Noto Sans JP,Yu Gothic UI,Meiryo,system-ui,sans-serif}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}.shell{width:min(100% - 28px,880px);min-height:100vh;margin:0 auto;padding:26px 0 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img{background:#fff;border-radius:10px;width:min(230px,75vw);height:auto;padding:8px}.chat-log{min-height:330px;padding:20px 22px}.chat-row{grid-template-columns:42px minmax(80px,max-content) 1fr;gap:5px;padding:3px 0;font-size:13px;line-height:1.5;display:grid}.chat-row time{color:#767d8c;padding-top:2px;font-size:10px}.chat-row strong{color:#c7c1ff;text-overflow:ellipsis;white-space:nowrap;max-width:140px;overflow:hidden}.chat-row>span{white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}.chat-row>span a{color:#a9c8ff;text-underline-offset:2px}.system-message{color:#dedafc;margin:8px 0;font-size:14px}.system-message strong{color:#a99eff}.message-code{letter-spacing:.1em;margin-top:5px;font-size:20px;display:block;color:#d6d0ff!important}.composer{border-top:1px solid var(--line);align-items:stretch;gap:9px;padding:12px 18px 18px;display:flex}.composer textarea{resize:none;border:1px solid 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