:root{color-scheme:light;--bg:#f4f6f8;--surface:#fff;--surface-2:#eaeef3;--border:#c4cdd6;--border-strong:#94a2b0;--text:#14181d;--text-2:#465059;--muted:#5c6874;--accent:#1750b8;--valid:#1e7a46;--valid-bg:#e4f3ea;--warn:#8a5200;--warn-bg:#fcefd6;--err:#b22026;--err-bg:#fbe6e6;--info:#23617f;--info-bg:#e4f0f5;--phys:#0e7c86;--tcu:#5b3ea6;--pha:#b5701a;--sheet-face-a:var(--phys);--sheet-face-b:var(--pha);--roll-surface:var(--valid);--ghost:#7b8996;--radius:5px;--hatch:rgba(92,104,116,.12);--focus:#1d5fd6;--shadow:0 8px 28px rgba(23,35,48,.08);font-family:"Segoe UI","Malgun Gothic","맑은 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340px;gap:10px;padding:10px}.input-rail,.workspace,.summary-panel{min-width:0;min-height:0;border:1px solid var(--border);background:var(--surface);border-radius:7px;box-shadow:var(--shadow)}.input-rail{overflow:auto;padding:10px}.workspace{overflow:hidden;display:grid;grid-template-rows:minmax(320px,1fr) minmax(180px,30dvh)}.summary-panel{overflow:auto;padding:12px}.toolbar-btn,.primary-btn,.secondary-btn,.icon-btn{min-height:44px;border:1px solid var(--border-strong);border-radius:5px;padding:0 12px;background:var(--surface);cursor:pointer}.toolbar-btn:hover,.secondary-btn:hover,.icon-btn:hover{background:var(--surface-2)}.primary-btn{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700}.primary-btn:active,.toolbar-btn:active{transform:translateY(1px)}.icon-btn{width:44px;padding:0}.compact-select{height:44px;border:1px solid var(--border);border-radius:5px;background:var(--surface);padding:0 30px 0 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