:root{--bg:#1d2127;--panel:#262b33;--panel-2:#2f3540;--border:#3a414d;--text:#e8eaed;--muted:#9aa3ae;--accent:#e0a458;--accent-2:#f2c48d;color:var(--text);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}*{box-sizing:border-box}body{grid-template:"top top top"52px"side view props"1fr/260px 1fr 260px;height:100vh;margin:0;display:grid;overflow:hidden}body.walking{grid-template-columns:0 1fr 0}body.walking .design-only{display:none!important}button{font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:6px 10px;transition:background .12s,border-color .12s}button:hover{background:#3a4250}button.active{background:var(--accent);border-color:var(--accent);color:#1d1a16}button.danger{color:#ffb3b3;border-color:#8a3b3b}button.danger:hover{background:#5a2626}#topbar{background:var(--panel);border-bottom:1px solid var(--border);grid-area:top;align-items:center;gap:16px;padding:0 14px;display:flex}.brand{letter-spacing:.2px;font-size:16px;font-weight:700}.segmented{background:var(--bg);border-radius:10px;gap:3px;padding:3px;display:flex}.segmented button{background:0 0;border:none}.segmented button.active{background:var(--accent)}.actions{align-items:center;gap:6px;margin-left:auto;display:flex}.sep{background:var(--border);width:1px;height:22px;margin:0 4px}#sidebar,#props{background:var(--panel);flex-direction:column;gap:14px;padding:12px;display:flex;overflow-y:auto}#sidebar{border-right:1px solid var(--border);grid-area:side}#props{border-left:1px solid var(--border);grid-area:props}h3{text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 8px;font-size:11px}#levels{flex-direction:column;gap:4px;display:flex}.level-row{gap:4px;display:flex}.level-row .eye{width:36px;padding:0;font-size:15px}.level-row .eye:disabled{opacity:.35;cursor:default}.level-name{text-align:left;flex:1;justify-content:space-between;align-items:center;display:flex}.level-name small{color:var(--muted);font-size:11px}.level-row.active .level-name{background:var(--accent);border-color:var(--accent);color:#1d1a16}.level-row.active .level-name small{color:#4a3a22}.level-row.hidden .level-name{opacity:.5;font-style:italic}.level-actions{gap:6px;margin-top:6px;display:flex}.level-actions button{flex:1;padding:6px 4px;font-size:12px}button:disabled{opacity:.4;cursor:default}.tools{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.tools button{flex-direction:column;align-items:center;gap:2px;padding:8px 2px;font-size:18px;display:flex}.tools button span{font-size:11px}.palette{grid-template-columns:repeat(8,1fr);gap:5px;display:grid}.swatch{aspect-ratio:1;border:2px solid #0000;border-radius:6px;padding:0}.swatch.active{box-shadow:0 0 0 2px var(--accent);border-color:#fff}.custom-color{color:var(--muted);align-items:center;gap:8px;margin-top:8px;display:flex}input[type=color]{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:6px;width:44px;height:28px;padding:0}.cat-title{color:var(--muted);margin:10px 0 6px;font-size:12px}.cat-grid{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.cat-grid button{flex-direction:column;align-items:center;gap:3px;padding:8px 2px;font-size:20px;display:flex}.cat-grid button span{text-align:center;font-size:10.5px;line-height:1.1}#viewport{grid-area:view;position:relative;overflow:hidden}#viewport canvas{outline:none;width:100%;height:100%;display:block}#hint{pointer-events:none;white-space:nowrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#14171cd1;border-radius:999px;padding:8px 14px;font-size:13px;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}#walk-overlay{pointer-events:none;position:absolute;top:14px;left:50%;transform:translate(-50%)}.walk-card{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#14171cc7;border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:10px 18px;font-size:13px;display:flex}kbd{text-align:center;background:#2a2f37;border:1px solid #555;border-bottom-width:2px;border-radius:4px;min-width:20px;margin:0 1px;padding:1px 5px;font-size:11px;display:inline-block}#crosshair{pointer-events:none;background:#fffc;border-radius:50%;width:6px;height:6px;margin:-3px 0 0 -3px;position:absolute;top:50%;left:50%;box-shadow:0 0 0 1px #0006}.prop-empty{color:var(--muted);line-height:1.5}.prop-empty ul{margin:6px 0;padding-left:18px}.prop-title{align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.field input[type=range]{width:100%;accent-color:var(--accent)}.row{flex-wrap:wrap;gap:6px;display:flex}.row button{flex:1}.stats{color:var(--muted);font-size:12px;line-height:1.6}