:root{--bg:#0e131a;--panel:#161d27;--panel-2:#1c2531;--line:#2a3546;--text:#dde5ef;--muted:#8c9bb0;--accent:#4f9dde;--accent-2:#2f7cc0;--good:#4cc38a;--bad:#ff5d5d;--warn:#f0b44c;color:var(--text);background:var(--bg);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:13px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg)}.app{flex-direction:column;height:100vh;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px 18px;padding:8px 14px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand .logo{color:var(--accent);font-size:22px}.brand strong{font-size:15px;display:block}.brand small{color:var(--muted)}.model-select{align-items:center;gap:8px;display:flex}.model-select span{color:var(--muted)}select,input[type=text]{background:var(--bg);color:var(--text);border:1px solid var(--line);font:inherit;border-radius:6px;padding:6px 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3}.sk-notch{fill:none;stroke:var(--good);stroke-width:1.5px}.sk-pt{fill:var(--accent)}.sk-len{fill:var(--text);font-size:10px}.sk-name{fill:var(--accent);font-size:9.5px;font-weight:600}.sk-ang,.sk-diagtxt{fill:var(--muted);font-size:9.5px}.derived{border-collapse:collapse;width:100%;font-size:11.5px}.derived th{text-align:left;color:var(--muted);vertical-align:top;white-space:nowrap;padding:2px 8px 2px 0;font-weight:500}.derived td{font-variant-numeric:tabular-nums;padding:2px 0}.overlay{pointer-events:none;align-items:center;gap:8px;display:flex;position:absolute}.overlay>*{pointer-events:auto}.overlay.top-left{flex-wrap:wrap;top:10px;left:10px}.overlay.bottom{border:1px solid var(--line);background:#161d27eb;border-radius:10px;padding:8px 12px;bottom:12px;left:50%;transform:translate(-50%)}.overlay.center-msg{border-radius:8px;padding:14px;top:45%;left:50%;transform:translate(-50%,-50%)}.overlay.hint{border:1px solid 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