:root{color:#eef3f8;font-synthesis:none;--bg:#081320;--surface:#101e2e;--surface-2:#17283b;--surface-3:#253850;--line:#2b4057;--text:#eef3f8;--muted:#8fa2b6;--accent:#f5a524;--accent-soft:#f5a52421;--danger:#ec5b55;--cell-size:clamp(27px, 2.35vw, 38px);background:#081320;font-family:Inter,Segoe UI,Microsoft YaHei,system-ui,sans-serif}:root[data-theme=light]{--bg:#eef3f7;--surface:#fff;--surface-2:#e7eef4;--surface-3:#d6e0e9;--line:#c0ced9;--text:#142334;--muted:#607489;--accent-soft:#db840a1f;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{background:radial-gradient(circle at 50% -20%, #17304b 0, var(--bg) 48%);min-width:320px;min-height:100vh;color:var(--text);margin:0}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #f5a52473}.app-shell{flex-direction:column;width:min(1500px,100%);min-height:100vh;margin:auto;padding:18px 28px 26px;display:flex}.topbar{border-bottom:1px solid 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