*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{-webkit-user-select:none;user-select:none;background:#aee7ff;height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;overflow:hidden}canvas{touch-action:none;display:block}button{font:inherit;cursor:pointer;border:none}.big{background:#ffffffeb;border-radius:20px;width:64px;height:64px;font-size:32px;line-height:1;transition:transform .12s;box-shadow:0 4px 10px #0000282e}.big:active{transform:scale(.9)}#modebar{top:max(12px, env(safe-area-inset-top));left:max(12px, env(safe-area-inset-left));z-index:10;gap:10px;display:flex;position:fixed}#modebar .big.active{background:#ffe082;transform:scale(1.1)}#btn-honk{right:max(18px, env(safe-area-inset-right));bottom:max(18px, env(safe-area-inset-bottom));z-index:10;border-radius:50%;width:88px;height:88px;font-size:44px;display:none;position:fixed}#tray{padding:10px max(12px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;background:#ffffffb8;align-items:center;gap:12px;display:none;position:fixed;bottom:0;left:0;right:0}#tray-items{gap:12px;padding:4px;display:flex;overflow-x:auto}.tray-item{background:#fff;border-radius:18px;flex:none;width:76px;height:76px;padding:4px;box-shadow:0 3px 8px #00002826}.tray-item img{object-fit:contain;pointer-events:none;width:100%;height:100%}.tray-item.selected{outline:5px solid #ffb300;transform:scale(1.06)}#bin{flex:none;font-size:38px}#bin.hot{background:#ff8a80;transform:scale(1.15)}#garage-ui{left:0;right:0;bottom:max(16px, env(safe-area-inset-bottom));z-index:10;justify-content:center;align-items:center;gap:14px;display:none;position:fixed}#swatches{background:#ffffffd9;border-radius:26px;gap:10px;padding:10px 14px;display:flex;box-shadow:0 4px 10px #0000282e}.swatch{border:3px solid #fff;border-radius:50%;width:46px;height:46px;transition:transform .12s;box-shadow:0 2px 6px #00002840}.swatch:active{transform:scale(.85)}body[data-mode=drive] #btn-honk{display:block}body[data-mode=build] #tray,body[data-mode=garage] #garage-ui{display:flex}#btn-parent{top:max(12px, env(safe-area-inset-top));right:max(12px, env(safe-area-inset-right));z-index:10;background:#ffffff73;border-radius:14px;width:46px;height:46px;font-size:22px;transition:transform 1.5s linear;position:fixed}#btn-parent.holding{background:#fff;transform:rotate(360deg)scale(1.2)}#parent-panel{z-index:50;background:#fafafa;position:fixed;inset:0;overflow-y:auto}.pp-inner{max-width:720px;margin:0 auto;padding:20px}.pp-head{justify-content:space-between;align-items:center;display:flex}.pp-head h2{margin:0}.pp-help{color:#555}.pp-upload{text-align:center;color:#1565c0;cursor:pointer;background:#e3f2fd;border:3px dashed #90caf9;border-radius:18px;margin:16px 0;padding:22px;font-size:20px;font-weight:600;display:block}#pp-status{color:#2e7d32;min-height:24px;margin-bottom:10px;font-weight:600}.pp-row{background:#fff;border-radius:16px;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:12px;padding:12px;display:flex;box-shadow:0 2px 6px #00002814}.pp-row img{background:#eceff1;border-radius:12px;width:72px;height:72px}.pp-row .pp-fields{flex-direction:column;flex:1;gap:6px;min-width:220px;display:flex}.pp-row input[type=text]{border:1px solid #cfd8dc;border-radius:8px;padding:6px 10px;font-size:16px}.pp-row select,.pp-row input[type=range]{font-size:15px}.pp-row .pp-meta{color:#90a4ae;font-size:13px}.pp-row .pp-delete{background:#ffebee;border-radius:12px;width:48px;height:48px;font-size:22px}