:root{--bg: #ffffff;--bg-elev: #f4f4f6;--bg-card: rgba(0, 0, 0, .04);--fg: #1a1a1a;--fg-muted: #5b5b62;--border: rgba(0, 0, 0, .12);--accent: #1e88e5;--danger: #c62828;--danger-fg: #ffffff;--primary: #1e88e5;--primary-fg: #ffffff;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace}@media (prefers-color-scheme: dark){:root{--bg: #121214;--bg-elev: #1c1c1f;--bg-card: rgba(255, 255, 255, .05);--fg: #ececef;--fg-muted: #a1a1aa;--border: rgba(255, 255, 255, .12)}}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.4;-webkit-font-smoothing:antialiased}#app{display:grid;grid-template-columns:1fr 380px;height:100vh;height:100dvh}#canvas-pane{position:relative;border-right:1px solid var(--border);overflow:hidden}#canvas-host{position:relative;width:100%;height:100%;touch-action:none}#canvas-host svg{display:block;width:100%;height:100%}.canvas-legend{position:absolute;top:10px;left:10px;display:flex;gap:10px;padding:4px 8px;background:var(--bg-elev);border:1px solid var(--border);border-radius:6px;font-size:12px;font-weight:600}.canvas-legend span{display:inline-flex;align-items:center;gap:5px}.canvas-legend i{width:10px;height:10px;border-radius:2px;display:inline-block}.draggable-point{cursor:grab}.draggable-point:active{cursor:grabbing}#controls-pane{overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.panel{display:flex;flex-direction:column;gap:12px}.panel-header{display:flex;align-items:center;justify-content:space-between}.panel h2{font-size:16px;font-weight:600;margin:0}.panel-divider{border:0;border-top:1px solid var(--border);margin:4px 0;width:100%}.muted{color:var(--fg-muted)}.small{font-size:12px}.mono{font-family:var(--mono);font-size:14px}.squish{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}button{font:inherit;cursor:pointer}.primary-button{background:var(--primary);color:var(--primary-fg);border:0;padding:6px 12px;border-radius:6px;font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:4px}.primary-button .play{font-size:10px}.ghost-button{background:transparent;border:0;color:var(--accent);padding:4px 0;font-size:14px;text-align:left;display:inline-flex;align-items:center;gap:6px}.ghost-button .plus{font-size:16px}.danger-button{background:var(--danger);color:var(--danger-fg);border:0;padding:6px 12px;border-radius:6px;font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:6px}.matrix-box{display:flex;align-items:center;gap:10px}.bracket{font-size:44px;font-weight:200;line-height:1}.matrix-grid{display:grid;grid-template-columns:70px 70px;gap:8px}.matrix-cell,.coord-cell{width:100%;padding:6px 8px;border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:6px;font-family:var(--mono);text-align:center;font-size:14px}.coord-cell{width:64px}.matrix-cell:focus,.coord-cell:focus{outline:2px solid var(--accent);outline-offset:-1px}.matrix-legend{display:flex;flex-direction:column;gap:2px;font-size:11px}.preset-row{display:flex;flex-direction:column;gap:6px}.preset-label{color:var(--fg-muted);font-size:13px}.preset-scroller{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.preset-button{white-space:nowrap;background:var(--bg-elev);border:1px solid var(--border);color:var(--fg);padding:4px 10px;border-radius:6px;font-size:13px}.preset-button:hover{background:var(--bg-card)}.toggle-box{display:flex;flex-direction:column;gap:6px;font-size:13px}.toggle-row{display:flex;gap:8px;align-items:center;cursor:pointer}.switch-row{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--fg-muted)}.points-rows{display:flex;flex-direction:column;gap:6px}.point-row{display:flex;align-items:center;gap:6px}.select-dot{background:transparent;border:0;font-size:18px;width:24px;padding:0}.point-tag{font-family:var(--mono);color:var(--fg-muted);width:28px;font-size:13px}.remove-button{background:transparent;border:0;color:var(--danger);font-size:22px;line-height:1;width:24px;margin-left:auto;padding:0}.app-store-banner{background:var(--bg-card);border-radius:8px;padding:12px;gap:10px}.banner-text{margin:0;font-size:13px;line-height:1.5;color:var(--fg)}.banner-buttons{display:flex;flex-wrap:wrap;gap:8px}.store-button{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;background:#000;color:#fff;font-size:13px;font-weight:500;text-decoration:none;border:1px solid #000;flex:1 1 auto;justify-content:center}.store-button:hover{background:#1a1a1a}@media (prefers-color-scheme: dark){.store-button{background:#f4f4f6;color:#000;border-color:#f4f4f6}.store-button:hover{background:#e3e3e6}}.step-card{background:var(--bg-card);border-radius:8px;padding:10px;display:flex;flex-direction:column;gap:6px}@media (max-width: 800px){#app{grid-template-columns:1fr;grid-template-rows:50vh 1fr}#canvas-pane{border-right:0;border-bottom:1px solid var(--border)}}