:root{--bg: #0b0f14;--panel: #11161d;--panel-2: #161c24;--line: #232b36;--text: #e6edf3;--muted: #8b949e;--accent: #58a6ff;--ok: #2fbf71;--warn: #e0a526;--bad: #ff3b3b;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.4}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button,select{font:inherit;color:inherit}code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:12px}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:8px 14px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px}.brand-title{font-weight:700;letter-spacing:.2px}.brand-sub{color:var(--muted);font-size:11px}.spacer{flex:1}.select{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:6px 10px}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--panel-2);font-size:12px;white-space:nowrap}.chip .dot{width:8px;height:8px;border-radius:50%;background:currentColor;display:inline-block}.chip.ok{color:var(--ok)}.chip.warn{color:var(--warn)}.chip.bad{color:var(--bad)}.chip.warn .dot,.chip.bad .dot{animation:blink 1s infinite}@keyframes blink{50%{opacity:.25}}.segmented{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.segmented button{background:transparent;border:0;padding:6px 10px;cursor:pointer;color:var(--muted)}.segmented button.active{background:#1f6feb33;color:var(--text)}.btn{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:7px 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10px}.reading.hot{border-color:var(--bad);background:#ff3b3b14}.r-label{font-size:11px;color:var(--muted)}.r-value{font-size:20px;font-weight:650;font-variant-numeric:tabular-nums}.r-value small{font-size:11px;color:var(--muted);font-weight:400}.chart{position:relative;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:6px;min-height:200px}.chart-status{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;color:var(--muted);font-size:12px;pointer-events:none}.cmd-row{display:flex;flex-direction:column;gap:8px}.cmd{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.cmd-result{font-size:12px}.cmd-result.ok{color:var(--ok)}.cmd-result.bad{color:var(--bad)}.cmd-history{list-style:none;padding:0;margin:10px 0 0;font-size:12px;display:flex;flex-direction:column;gap:4px}.cmd-history li{display:flex;gap:8px;align-items:center}.legend{display:flex;flex-direction:column;gap:6px;margin:6px 0 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var(--line);background:var(--panel)}.left-col .panel.left{flex:1;min-height:0;width:auto;border-right:0}.demo{border-top:1px solid var(--line);background:var(--panel);max-height:60%;overflow-y:auto;flex-shrink:0}.demo-head{width:100%;display:flex;align-items:center;gap:8px;padding:10px 14px;background:transparent;border:0;cursor:pointer;font-weight:600;text-align:left}.demo-head>span:first-child{flex:1}.demo-countdown{color:var(--warn);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}.demo-body{padding:0 14px 12px}.demo-target{font-size:12px;color:var(--muted);margin-bottom:4px}.demo-target strong{color:var(--text)}.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.demo-grid.three{grid-template-columns:1fr 1fr 1fr}.demo-grid .btn.small{margin-top:0;justify-content:center}.demo-drop{margin-top:10px;display:flex;flex-direction:column;gap:4px}.btn.danger:not(:disabled){border-color:#ff3b3b88;color:#ffb3b3}.notice.ok{background:#2fbf7118;border:1px solid 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