:root{color-scheme:dark;--page: #0d0d0d;--panel: #161615;--surface: #1a1a19;--ink: #ffffff;--ink-2: #c3c2b7;--ink-muted: #898781;--border: rgba(255, 255, 255, .1);--accent: #3987e5;--error: #e66767}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--page);color:var(--ink-2);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}.app{display:flex;height:100%}.sidebar{width:320px;flex:none;overflow-y:auto;background:var(--panel);border-right:1px solid var(--border);padding:20px;display:flex;flex-direction:column;gap:18px}.sidebar h1{margin:0;font-size:18px;color:var(--ink)}.subtitle{margin:6px 0 0;font-size:12.5px;color:var(--ink-muted);line-height:1.5}.field{display:flex;flex-direction:column;gap:6px}.field>span{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted)}textarea.expression{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.5;background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:6px;padding:10px;resize:vertical}textarea.expression:focus{outline:none;border-color:var(--accent)}select,input[type=text]{background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:6px;padding:7px 9px;font-size:13px;font-family:inherit}select:focus,input[type=text]:focus{outline:none;border-color:var(--accent)}.error{margin:0;padding:10px;border-radius:6px;background:#e667671a;border:1px solid rgba(230,103,103,.35);color:var(--error);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;white-space:pre-wrap;word-break:break-word;max-height:140px;overflow-y:auto}.ok{margin:0;font-size:12px;color:var(--ink-muted)}.color-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.color-field{display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:12.5px}.color-field input[type=color]{width:26px;height:26px;padding:0;border:none;border-radius:4px;background:none;cursor:pointer}input[type=range]{width:100%;margin:2px 0;accent-color:var(--accent)}.check-field{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}.check-field input{accent-color:var(--accent)}.row{display:flex;gap:8px}.row .field{flex:1;min-width:0}.row input[type=text]{width:100%}button.reset{background:var(--surface);color:var(--ink-2);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:13px;font-family:inherit;cursor:pointer}button.reset:hover{border-color:var(--accent);color:var(--ink)}.hint{margin:0;font-size:12px;color:var(--ink-muted);line-height:1.55}.hint code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:1px 4px}.graph-area{flex:1;min-width:0}.graph-canvas{position:relative;width:100%;height:100%;overflow:hidden}.graph-layer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}