:root{
    /* Ukrainian flag-inspired UI chrome: azure panels, yellow action */
    --bg:#081226; --panel:#0f1f40; --panel2:#16315c; --ink:#eef4fc;
    --muted:#9fb4d8; --accent:#2a7de1; --accent2:#ffd23f; --line:#21437a;
  }
  *{box-sizing:border-box}
  html,body{margin:0;height:100%}
  body{
    background:var(--bg); color:var(--ink);
    font:14px/1.45 system-ui,Segoe UI,Roboto,sans-serif;
    display:flex; min-height:100vh;
  }
  aside{
    width:300px; flex:0 0 300px; background:var(--panel);
    border-right:1px solid var(--line); padding:18px 18px 28px;
    display:flex; flex-direction:column; gap:14px; overflow:auto;
  }
  h1{font-size:16px; margin:0 0 2px; letter-spacing:.3px}
  fieldset{border:1px solid var(--line); border-radius:10px; padding:12px; margin:0}
  legend{color:var(--accent2); font-size:11px; text-transform:uppercase; letter-spacing:.8px; padding:0 6px}
  label{display:block; font-size:12px; color:var(--muted); margin:10px 0 4px}
  label:first-of-type{margin-top:0}
  select,input[type=text]{
    width:100%; background:var(--panel2); color:var(--ink);
    border:1px solid var(--line); border-radius:8px; padding:8px 10px; font:inherit;
  }
  input[type=range]{width:100%; accent-color:var(--accent)}
  .row{display:flex; gap:8px}
  .row>*{flex:1}
  button{
    background:var(--panel2); color:var(--ink); border:1px solid var(--line);
    border-radius:8px; padding:9px 10px; font:inherit; cursor:pointer; transition:.12s;
  }
  button:hover{border-color:var(--accent); color:#fff}
  button.primary{background:var(--accent2); border-color:var(--accent2); color:#0d2244; font-weight:700}
  button.primary:hover{filter:brightness(1.06); color:#0d2244}
  .seg{display:flex; gap:6px; flex-wrap:wrap}
  .seg button{flex:1 1 auto; padding:7px 6px; font-size:12px}
  .seg button.on{background:var(--accent); border-color:var(--accent); color:#fff}
  .favs{display:flex;gap:6px;flex-wrap:wrap}
  .favs .fav{position:relative;width:54px;height:36px;border:1px solid var(--line);
    border-radius:6px;overflow:hidden;cursor:pointer;padding:0;background:#000}
  .favs .fav img{width:100%;height:100%;object-fit:cover;display:block}
  .favs .fav .rm{position:absolute;top:0;right:0;background:rgba(0,0,0,.6);color:#fff;
    font-size:10px;line-height:1;padding:1px 3px;border:0;border-radius:0 0 0 4px}
.labLayer{border:1px solid var(--line);border-radius:8px;padding:8px;margin-top:6px}
.labLayer>label{margin:0 0 4px}
.labgrid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.labf{display:flex;flex-direction:column;min-width:0}
.labf span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}
.labf select,.labf input{width:100%;min-width:0;box-sizing:border-box;background:var(--panel2);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:4px 6px;font:inherit}
.brand{padding-top:2px}
.flagbar{height:6px;width:54px;border-radius:3px;overflow:hidden;margin-bottom:6px;background:linear-gradient(#0057B7 50%,#FFD700 50%)}
.actionbar{position:sticky;top:0;z-index:6;background:var(--panel);margin:0 -18px;padding:12px 18px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.actionbar .row{display:flex;gap:8px}
.actionbar #gen{flex:1}
.actionbar #undo{flex:0 0 auto;width:46px;font-size:16px;line-height:1}
.acc{display:flex;flex-direction:column;gap:8px}
.acc-sec{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.acc-h{width:100%;text-align:left;background:var(--panel2);border:0;color:var(--accent2);text-transform:uppercase;letter-spacing:.8px;font-size:11px;padding:11px 12px;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.acc-h::after{content:"▸";color:var(--muted);font-size:12px}
.acc-h[aria-expanded="true"]::after{content:"▾"}
.acc-h[aria-expanded="true"]{color:#fff;background:var(--panel2)}
.acc-b{padding:12px}
aside{overflow-x:hidden}
.row3{display:flex;gap:6px}
.row3>*{flex:1;padding-left:4px;padding-right:4px;white-space:nowrap}
.wide{width:100%}
#sec-export>label{margin-top:12px}
#sec-export>label:first-child{margin-top:0}
#sec-export #share{margin-top:8px}
#sec-export #favs{margin-top:8px}
button.danger{margin-top:12px;color:var(--muted)}
button.danger:hover{border-color:#c0432e;color:#ffb4a6}
  .val{color:var(--ink); float:right; font-variant-numeric:tabular-nums}
  .tag{font-size:10px; color:var(--muted)}
  .hidden{display:none !important}
  main{flex:1; display:flex; flex-direction:column; min-width:0}
  .toolbar{
    display:flex; align-items:center; gap:10px; padding:12px 18px;
    border-bottom:1px solid var(--line); background:var(--panel);
  }
  .toolbar .spacer{flex:1}
  .stage{
    flex:1; overflow:auto; display:flex; align-items:center; justify-content:center;
    padding:24px; background:radial-gradient(circle at 30% 20%, #11244a, #081226 70%);
  }
  .frame{
    background:#08122a; padding:10px; border-radius:8px;
    box-shadow:0 18px 50px rgba(0,0,0,.55), inset 0 0 0 1px rgba(255,255,255,.04);
  }
  canvas{display:block; border-radius:3px}
  .disclaimer{
    padding:10px 18px; font-size:11.5px; color:var(--muted);
    border-top:1px solid var(--line); background:var(--panel);
  }
  .disclaimer b{color:var(--accent2)}
  .menuBtn{display:none; padding:7px 10px}
  .drawerClose{display:none}
  #backdrop{display:none}
  @media (max-width:820px){
    body{flex-direction:column}
    aside{position:fixed; z-index:30; top:0; left:0; height:100%; width:min(330px,86vw);
          transform:translateX(-100%); transition:transform .22s ease;
          box-shadow:6px 0 30px rgba(0,0,0,.55)}
    body.menu-open aside{transform:translateX(0)}
    .menuBtn{display:inline-flex; align-items:center}
    .drawerClose{display:block; position:absolute; top:10px; right:12px; z-index:2;
                 width:36px; height:36px; padding:0; font-size:16px; line-height:1;
                 background:var(--panel2); border-radius:8px}
    #backdrop{position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:20}
    main{height:100dvh}
    .stage{padding:12px}
    .toolbar #title{font-size:13px}
  }