:root{
  --bg:#0f1216;
  --panel:#171b21;
  --muted:#9aa3af;
  --text:#e6e7ea;
  --accent:#6c9eff;
  --success:#2ecc71;
  --danger:#ff5b5b;
  --border:#232832;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial;
  color:var(--text);
  background:linear-gradient(180deg,#0c0f14,#11151b);
}
.topbar{
  position:sticky;top:0;z-index:5;
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;background:rgba(15,18,22,.9);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
.brand{font-weight:800;letter-spacing:.5px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{background:#1d232f;color:var(--text);border:1px solid var(--border);padding:8px 12px;border-radius:10px;cursor:pointer}
.btn:hover{border-color:#2b3341}
.btn.small{padding:6px 10px;border-radius:8px;font-size:.9rem}
.btn.primary{background:var(--accent);border-color:transparent;color:white}
.btn.success{background:var(--success);border-color:transparent;color:#04110a}
.btn.danger{background:var(--danger);border-color:transparent;color:white}
.workspace{display:grid;grid-template-columns:300px 1fr 260px;gap:12px;padding:12px;height:calc(100vh - 54px)}
.sidebar,.rightbar{overflow:auto}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:12px;margin-bottom:12px}
.panel h3{margin:.25rem 0 10px 0;font-size:1rem;color:#d6d8dd}
.grid2{display:grid;grid-template-columns:120px 1fr;gap:8px;align-items:center}
.grid3{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}
.fullrow{grid-column:1 / -1}
.btnrow{display:flex;gap:6px;flex-wrap:wrap}
.x{opacity:.7}
input[type="number"],select,input[type="color"],input[type="range"]{
  width:100%;background:#0f131a;border:1px solid var(--border);border-radius:8px;
  color:var(--text);padding:8px;
}
.switch{position:relative;display:inline-block;width:46px;height:24px}
.switch input{display:none}
.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:#2b3443;border-radius:24px;transition:.2s}
.slider:before{content:"";position:absolute;height:20px;width:20px;left:2px;top:2px;background:white;border-radius:50%;transition:.2s}
input:checked + .slider{background:var(--accent)}
input:checked + .slider:before{transform:translateX(22px)}
.stage{display:flex;align-items:center;justify-content:center}
.canvasWrap{background:#0a0e14;border:1px dashed #2c3442;border-radius:16px;padding:8px;max-width:100%;overflow:auto}
canvas{background:#1a1f27;border-radius:10px;display:block}
.templates{display:grid;grid-template-columns:repeat(3, 1fr);gap:8px}
.templates button{border:none;border-radius:10px;cursor:pointer;height:56px}
.layers{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:40vh;overflow:auto}
.layers li{display:flex;justify-content:space-between;align-items:center;background:#0f131a;border:1px solid var(--border);border-radius:10px;padding:6px 8px}
.layers li span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}
.layers li.active{outline:2px solid var(--accent)}
.credits{opacity:.6;font-size:.85rem;margin-top:8px;text-align:center}
@media (max-width: 1100px){
  .workspace{grid-template-columns:1fr;grid-auto-rows:min-content}
  .sidebar,.rightbar{order:-1}
  .canvasWrap{max-height:70vh}
}