*,*:before,*:after{box-sizing:border-box}:root{--bg: #0e0f12;--bg-soft: #16181c;--bg-card: #1c1f25;--border: #2a2e36;--fg: #e8eaed;--fg-soft: #a1a8b3;--accent: #7c5cff;--accent-soft: #b9a8ff;--r: #ff5c7c;--y: #ffc857;--g: #5cffb1;--b: #5ccfff;--rad: 14px;--shadow: 0 4px 24px rgba(0,0,0,.4);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,Inter,sans-serif;color-scheme:dark}@media(prefers-color-scheme:light){:root{--bg: #fafbfc;--bg-soft: #f1f3f5;--bg-card: #ffffff;--border: #e1e4e8;--fg: #1a1d23;--fg-soft: #586069;--accent: #6240e8;--accent-soft: #4a2dc2;--shadow: 0 2px 16px rgba(0,0,0,.06)}}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;height:100dvh;padding-bottom:56px}#controls{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--bg-card);border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap}.control-group{display:flex;align-items:center;gap:8px}.control-group label{font-size:13px;color:var(--fg-soft);font-weight:600}select{font-size:13px;background:var(--bg-soft);color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:5px 10px;cursor:pointer;outline:none}select:focus{border-color:var(--accent)}.btn{font-size:13px;font-weight:600;padding:5px 14px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--fg);cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:var(--bg-soft)}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:#fff}#chart-area{flex:1;overflow:hidden;position:relative;-webkit-user-select:none;user-select:none}#chart-area svg{display:block;width:100%;height:100%}.dot{cursor:pointer;transition:opacity .15s}.dot.dimmed{opacity:.2}.dot.selected{stroke:var(--fg);stroke-width:1.5}.axis-label{font-size:12px;fill:var(--fg-soft)}.axis path,.axis line{stroke:var(--border)}.axis text{fill:var(--fg-soft);font-size:11px}.brush .selection{fill:var(--accent);fill-opacity:.12;stroke:var(--accent);stroke-width:1.5;stroke-dasharray:4 3;shape-rendering:crispEdges}.brush .handle{fill:transparent}.brush .overlay{cursor:crosshair}.hint{font-size:11px;color:var(--fg-soft);margin-left:auto}.legend{position:absolute;bottom:48px;right:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--rad);padding:10px 14px;font-size:12px}.legend-item{display:flex;align-items:center;gap:6px;margin-bottom:4px}.legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}@media(max-width:720px){#controls{padding:8px 12px;gap:8px;font-size:12px}.control-group label{font-size:12px}select,.btn{font-size:12px;padding:4px 8px}.legend{bottom:90px;right:8px;padding:8px 10px;font-size:11px}.axis text{font-size:10px}}