:root{
    --bg:#0d0d0f;--panel:#16161b;--panel-2:#1d1d24;--line:#2a2a33;
    --txt:#e9e9ec;--muted:#8a8a94;--orange:#FF6B1A;--green:#22C55E;
  }
  *{box-sizing:border-box}
  html,body{height:100%;margin:0}
  body{
    background:var(--bg);color:var(--txt);
    font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    display:flex;flex-direction:column;overflow:hidden;
  }

  /* ── toolbar ── */
  .toolbar{
    display:flex;align-items:center;gap:14px;padding:10px 18px;
    background:var(--panel);border-bottom:1px solid var(--line);
  }
  .brand{display:flex;align-items:center;gap:10px;margin-right:auto}
  .dot{width:10px;height:10px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,107,26,.15)}
  .brand h1{font-size:14px;font-weight:600;margin:0;white-space:nowrap}

  /* toggle switch */
  .toggle{display:flex;align-items:center;gap:9px;cursor:pointer;-webkit-user-select:none;user-select:none}
  .toggle-label{font-size:12.5px;font-weight:500;color:var(--muted);transition:color .2s}
  .toggle.on .toggle-label{color:var(--green)}
  .toggle-track{
    width:38px;height:20px;border-radius:10px;background:var(--panel-2);
    border:1px solid var(--line);position:relative;transition:background .2s,border-color .2s;
  }
  .toggle.on .toggle-track{background:rgba(34,197,94,.15);border-color:var(--green)}
  .toggle-thumb{
    width:14px;height:14px;border-radius:50%;background:var(--muted);
    position:absolute;top:2px;left:3px;transition:transform .2s,background .2s;
  }
  .toggle.on .toggle-thumb{transform:translateX(17px);background:var(--green)}

  /* save button */
  .save-btn{
    font-family:inherit;font-size:13px;font-weight:600;
    color:#15110c;background:var(--orange);border:1px solid var(--orange);
    border-radius:7px;padding:8px 18px;cursor:pointer;
    display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
    transition:opacity .15s,background .15s;
  }
  .save-btn:hover{background:#ff7d35;border-color:#ff7d35}
  .save-btn:disabled{opacity:.35;cursor:not-allowed;background:var(--orange);border-color:var(--orange)}
  .save-btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
  .save-btn svg{width:15px;height:15px;display:block}

  /* ── stage ── */
  main{flex:1;position:relative;min-height:0;background:#f3f4f6}
  iframe{position:absolute;inset:0;width:100%;height:100%;border:none;background:#fff}

  /* toast */
  #toast{
    position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);
    background:var(--orange);color:#15110c;font-size:13px;font-weight:600;
    padding:10px 18px;border-radius:8px;opacity:0;pointer-events:none;
    transition:opacity .2s,transform .2s;z-index:70;
  }
  #toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  #toast.success{background:var(--green)}

.leave-it{color: #ff6b1a; text-decoration: none;font-weight: bold;font-size: 12px;}