.bes-app{--bg:#0e0e0f;--p:#1a1a1c;--p2:#242427;--ln:#34343a;--tx:#f3f3f4;--mu:#a0a2a8;position:relative;width:100%;background:var(--bg);color:var(--tx);font:15px/1.45 system-ui,Arial,sans-serif;box-sizing:border-box}
.bes-app *{box-sizing:border-box}
.bes-top{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;align-items:center;padding:.7rem 1rem;border-bottom:1px solid var(--ln);background:#000}
.bes-top b{letter-spacing:.12em}.bes-steps{display:flex;gap:.4rem;margin-left:auto;flex-wrap:wrap}
.bes-app button,.bes-app select,.bes-app input,.bes-app textarea{font:inherit}
.bes-app button{cursor:pointer;color:var(--tx);background:var(--p2);border:1px solid var(--ln);padding:.5rem .8rem;border-radius:6px}
.bes-app button:hover,.bes-app button.on{background:#fff;color:#000;border-color:#fff}
.bes-app button:focus-visible,.bes-app input:focus-visible,.bes-app select:focus-visible,.bes-app textarea:focus-visible{outline:2px solid #fff;outline-offset:2px}
.bes-main{display:grid;grid-template-columns:400px 1fr;min-height:720px}
.bes-panel{background:var(--p);border-right:1px solid var(--ln);padding:1rem;overflow:auto;max-height:780px}
.bes-panel h3{margin:1.1rem 0 .5rem;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mu)}
.bes-panel h3:first-child{margin-top:0}
.bes-panel label{display:block;font-size:.82rem;color:var(--mu);margin:.5rem 0 .2rem}
.bes-panel input[type=text],.bes-panel input[type=email],.bes-panel input[type=number],.bes-panel select,.bes-panel textarea{width:100%;background:#0e0e0f;color:var(--tx);border:1px solid var(--ln);border-radius:6px;padding:.55rem .7rem}
.bes-panel input[type=range]{width:100%}
.bes-panel input[type=color]{width:44px;height:34px;padding:0;border:1px solid var(--ln);background:none}
.bes-tabs{display:flex;gap:.3rem;margin-bottom:1rem}.bes-tabs button{flex:1}
.bes-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.bes-sw{display:flex;flex-wrap:wrap;gap:.4rem;margin:.4rem 0}
.bes-sw button{width:30px;height:30px;padding:0;border-radius:50%}
.bes-row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.bes-layer{display:flex;justify-content:space-between;gap:.5rem;width:100%;text-align:left;margin:.25rem 0}
.bes-box{background:#0e0e0f;border:1px solid var(--ln);border-radius:8px;padding:.8rem;margin:.6rem 0}
.bes-sum{white-space:pre-wrap;font:12px/1.5 ui-monospace,Menlo,monospace;max-height:220px;overflow:auto}
.bes-stage{position:relative;display:flex;flex-direction:column;background:radial-gradient(circle at 50% 35%,#2e2e33,#0e0e0f 70%)}
.bes-view{flex:1;min-height:520px;touch-action:none;cursor:grab}.bes-view canvas{display:block;width:100%;height:100%}
.bes-views{display:flex;gap:.4rem;flex-wrap:wrap;justify-content:center;padding:.7rem}
.bes-note{margin:0;padding:.3rem 1rem .8rem;color:var(--mu);font-size:.78rem;text-align:center}
.bes-msg{margin:.6rem 0;padding:.6rem .8rem;border-radius:6px;background:#0e0e0f;border-left:3px solid #fff;font-size:.85rem}
.bes-err{color:#ff8a8a}.bes-hp{position:absolute;left:-9999px}
@media(max-width:900px){.bes-main{grid-template-columns:1fr}.bes-stage{order:-1}.bes-view{min-height:52vh}.bes-panel{max-height:none;border-right:0}}

.bes-app:fullscreen .bes-main{min-height:calc(100vh - 56px)}.bes-app:fullscreen .bes-panel{max-height:calc(100vh - 56px)}
.bes-app h3{font-family:inherit}