:root{color-scheme:light;--canvas:#f6f7f4;--surface:#ffffff;--sidebar:#ecefe9;--text:#1c211e;--muted:#6d756f;--line:#dce0da;--accent:#157f64;--accent-dark:#0d654f;--accent-soft:#dcefe8;--claude:#c4663d;--danger:#b34242;--shadow:0 14px 36px rgba(28,33,30,0.08);--app-top-inset:env(safe-area-inset-top,0px)}html.native-app{--app-top-inset:max(env(safe-area-inset-top,0px),24px)}*{box-sizing:border-box}body,html{margin:0;min-height:100%}html{text-size-adjust:100%}body{background:var(--canvas);color:var(--text);font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;letter-spacing:0}button,input,select,textarea{font:inherit;letter-spacing:0}button{color:inherit}.app-install-entry{position:fixed;z-index:80;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));min-height:42px;display:inline-flex;align-items:center;gap:8px;padding:0 14px;border:1px solid #0d654f;border-radius:7px;background:#157f64;color:white;box-shadow:0 8px 24px 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.send-button{top:80px}.send-button:hover{background:var(--accent-dark)}.send-button.stop-button{background:var(--danger)}.send-button.stop-button:hover{background:#963737}.send-button:disabled{background:#d7dbd8;color:#979e99;cursor:not-allowed}.composer-error{margin:0;padding:0 12px 8px;color:var(--danger);font-size:12px}.composer-footer{height:38px;gap:10px;padding:0 12px 8px}.composer-footer,.model-select{display:flex;align-items:center}.model-select{position:relative;gap:7px;height:30px;padding:0 8px;border-radius:5px;background:#f1f3f0;color:#465049}.model-select select{min-width:80px;max-width:190px;padding:0 18px 0 0;border:0;outline:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;color:inherit;font-size:12px;font-weight:650;cursor:pointer}.model-select svg{position:absolute;right:6px;pointer-events:none}.model-picker{position:static}.model-picker-trigger{height:30px;max-width:190px;display:inline-flex;align-items:center;gap:7px;padding:0 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