#authgate{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center;background:
      radial-gradient(560px 420px at 50% 18%,rgba(255,106,61,.10),transparent 70%),
      radial-gradient(480px 380px at 85% 92%,rgba(212,143,189,.07),transparent 70%),
      var(--ground);padding:20px}
  #authgate.hidden{display:none}
  #appRoot{display:none}
  #appRoot.on{display:block}
  .auth-card{position:relative;width:100%;max-width:380px;background:var(--surface);border:1px solid var(--hairline-soft);border-radius:var(--radius);padding:32px 28px 28px;box-shadow:0 24px 60px -20px rgba(0,0,0,.7);animation:authIn .4s cubic-bezier(.2,.8,.2,1) both}
  .auth-card::before{content:"";position:absolute;top:0;left:22px;right:22px;height:3px;border-radius:0 0 3px 3px;background:linear-gradient(90deg,var(--sculpt),var(--fuerza) 50%,var(--barre))}
  @keyframes authIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
  .auth-card h1{font-family:var(--f-display);font-weight:700;font-size:32px;margin:8px 0 6px;letter-spacing:.01em}
  .auth-card h1 b{color:var(--accent)}
  .auth-card p.sub{color:var(--muted);font-size:13px;margin:0 0 24px}
  .auth-field{display:grid;gap:6px;margin-bottom:14px}
  .auth-field label{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2)}
  .auth-field input{width:100%;background:var(--raised);border:1px solid var(--hairline);border-radius:9px;padding:11px 12px;color:var(--ink);font-size:15px;transition:border-color .14s,box-shadow .14s}
  .auth-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
  .auth-msg{font-size:12.5px;border-radius:8px;padding:9px 11px;margin-bottom:14px;display:none}
  .auth-msg.err{display:block;background:rgba(220,80,60,.14);color:#ff9d85;border:1px solid rgba(220,80,60,.3)}
  .auth-msg.ok{display:block;background:var(--accent-glow);color:var(--accent);border:1px solid transparent}
  .auth-links{display:flex;justify-content:space-between;margin-top:14px;font-size:12.5px}
  .auth-links button{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:12.5px;padding:0}
  .auth-links button:hover{color:var(--accent)}
  .auth-view{display:none}
  .auth-view.on{display:block}
  #logout-btn{background:none;border:1px solid var(--hairline);border-radius:8px;padding:7px 12px;font-size:12px;color:var(--muted);margin-left:8px;flex:none;white-space:nowrap;transition:color .14s,border-color .14s}
  #logout-btn:hover{color:var(--ink);border-color:var(--muted-2)}