:root{--bg: radial-gradient(1200px 600px at 10% -10%, #0e1220 0%, #0b0f1a 35%, #0a0d16 100%);--panel: #121626;--panel-elev: #161b2e;--text: #e6e6e6;--muted: #a1a8b3;--accent: #7aa2ff;--accent-2: #ff7a90;--grid-border: #242a38;--shadow-1: 0 4px 16px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.02);--shadow-2: 0 10px 30px rgba(0,0,0,.45), 0 2px 10px rgba(0,0,0,.25);--control-bg: #0f1320;--canvas-bg: #0b0f1a}[data-theme=light]{--bg: radial-gradient(1200px 600px at 10% -10%, #f4f7ff 0%, #f0f4fb 35%, #edf2f9 100%);--panel: #ffffff;--panel-elev: #f8fbff;--text: #0b0f1a;--muted: #5f6b7c;--accent: #3b63ff;--accent-2: #ff6a7f;--grid-border: #d9dee7;--shadow-1: 0 1px 2px rgba(0,0,0,.06), 0 1px 1px rgba(0,0,0,.03);--shadow-2: 0 10px 30px rgba(0,0,0,.15), 0 2px 10px rgba(0,0,0,.08);--control-bg: #f4f7ff;--canvas-bg: #ffffff}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:#0b0f1a;background-image:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}@media (max-width: 900px){.app{grid-template-columns:1fr;grid-template-rows:auto auto 1fr auto;grid-template-areas:"header" "main" "sidebar" "footer"}.main{order:2;min-height:66vh}.sidebar{order:3;max-height:34vh;overflow:auto;border-right:none;border-top:1px solid var(--grid-border)}.header{position:sticky;top:0;z-index:10}.toolbar{flex-wrap:nowrap;overflow-x:auto}}@media (hover: none) and (pointer: coarse){.app{grid-template-columns:1fr;grid-template-rows:auto auto 1fr auto;grid-template-areas:"header" "main" "sidebar" "footer"}.main{min-height:66vh}.sidebar{max-height:34vh;overflow:auto;border-right:none;border-top:1px solid 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solid rgba(122,162,255,.4);border-radius:999px;box-shadow:0 4px 12px #00000040 inset}.run-line:before{left:0;right:0}.run-line span{position:absolute;left:50%;transform:translate(-50%,-50%);top:50%;padding:0 8px;color:#d7e3ff;font-weight:700;font-size:14px;line-height:1;background:#0a0f1ad9;border:1px solid rgba(122,162,255,.35);border-radius:999px;box-shadow:0 1px 2px #0009}.tool-row{display:inline-flex;gap:6px;background:var(--control-bg);padding:6px;border-radius:12px;border:1px solid var(--grid-border);box-shadow:var(--shadow-1)}.tool-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--text)}.tool-btn:hover{background:#ffffff0f}.tool-btn.active{background:#7aa2ff2e;border-color:#7aa2ff73}.brush-overlay{pointer-events:none;outline:2px dashed rgba(255,255,255,.8);border-radius:6px;box-shadow:0 0 0 2px #00000040 inset}@media (max-width: 900px),(hover: none) and (pointer: coarse){.app{grid-template-columns:1fr!important;grid-template-rows:auto 1fr auto auto!important;grid-template-areas:"header" "main" "sidebar" "footer"!important}.landing-content{grid-template-columns:1fr!important}.main{min-height:66vh}.sidebar{max-height:34vh;overflow:auto;border-right:none;border-top:1px solid var(--grid-border)}}