/* ============================================================
   SUMMATOOL · Estilos de la puerta (acceso.html).
   FASE 3 · P4 — vivían inline. Se sacan a fichero para que la
   CSP de acceso.html pueda prohibir el estilo y el script inline
   sin depender de hashes sha256 que caducan a cada edición (el
   riesgo que documenta CLAUDE.md para app.html).
   ============================================================ */
  :root{
    --ink:#0B1A28;--ink-2:#33465C;--muted:#7B8794;--line:#E6EBF2;
    --soft:#F5F8FC;--azure:#465FFF;--azure-dk:#2F46D9;--cyan:#22D3EE;
    --font:'Outfit',system-ui,-apple-system,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:var(--font);min-height:100vh;display:flex;align-items:center;
    justify-content:center;padding:24px;color:var(--ink);
    background:linear-gradient(160deg,#0A1E30,#0c2c47 60%,#0e3a5e);position:relative;overflow:hidden}
  body::before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-160px;
    border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 62%)}
  body::after{content:"";position:absolute;width:440px;height:440px;left:-140px;bottom:-170px;
    border-radius:50%;background:radial-gradient(circle,rgba(70,95,255,.22),transparent 64%)}
  .card{position:relative;z-index:2;width:100%;max-width:392px;background:#fff;
    border-radius:18px;padding:38px 34px;box-shadow:0 34px 90px -30px rgba(0,0,0,.6)}
  .brand{display:flex;align-items:center;gap:10px;margin-bottom:28px}
  .brand img{height:26px;width:auto;display:block}
  h1{font-size:22px;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
  p.sub{color:var(--ink-2);font-size:14.5px;margin-bottom:26px;line-height:1.5}
  label{display:block;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--muted);font-weight:600;margin-bottom:7px}
  input{width:100%;background:var(--soft);border:1px solid var(--line);border-radius:11px;
    padding:12px 14px;font-family:var(--font);font-size:15px;color:var(--ink);margin-bottom:17px;
    transition:border-color .2s,box-shadow .2s,background .2s}
  input:focus{outline:none;border-color:var(--azure);background:#fff;box-shadow:0 0 0 4px rgba(70,95,255,.12)}
  button.go{width:100%;border:0;border-radius:12px;padding:14px;font-family:var(--font);
    font-weight:600;font-size:15.5px;color:#fff;background:var(--azure);cursor:pointer;
    transition:transform .18s,box-shadow .25s,background .2s}
  button.go:hover:not(:disabled){transform:translateY(-2px);background:var(--azure-dk);
    box-shadow:0 14px 30px rgba(70,95,255,.34)}
  button.go:disabled{opacity:.6;cursor:default}
  .msg{margin-top:17px;font-size:13.5px;padding:11px 13px;border-radius:10px;display:none}
  .msg.show{display:block}
  .msg.info{background:rgba(70,95,255,.08);border:1px solid rgba(70,95,255,.25);color:#2F46D9}
  .msg.err{background:#FEF3F2;border:1px solid #FCCFCB;color:#B42318}
  .forgot{margin-top:15px;text-align:center}
  .forgot button{all:unset;cursor:pointer;font-size:13px;color:var(--azure);font-weight:600}
  .forgot button:hover{text-decoration:underline}
  .forgot button:focus-visible{outline:2px solid var(--azure);outline-offset:3px;border-radius:4px}
  .forgot button[hidden]{display:none}
  /* Acción dentro del propio aviso: "pide uno nuevo" tiene que ser un clic,
     no una instrucción que el usuario debe ejecutar por su cuenta. */
  .msg .msg-cta{all:unset;cursor:pointer;display:inline-block;margin-top:9px;
    font-weight:700;text-decoration:underline;color:inherit}
  .msg .msg-cta:focus-visible{outline:2px solid currentColor;outline-offset:3px;border-radius:4px}
  .foot{margin-top:24px;display:flex;justify-content:space-between;align-items:center;
    font-size:12.5px;color:var(--muted)}
  .foot a{color:var(--muted);text-decoration:none}
  .foot a:hover{color:var(--ink)}
  .lang button{all:unset;cursor:pointer;font-weight:700;padding:0 4px;color:var(--muted)}
  .lang button.on{color:var(--ink)}
  #veil{position:fixed;inset:0;background:#0A1E30;color:#DCE7F0;display:none;z-index:99;
    align-items:center;justify-content:center;flex-direction:column;gap:18px}
  #veil.show{display:flex}
  .spin{width:34px;height:34px;border:3px solid rgba(255,255,255,.2);
    border-top-color:var(--cyan);border-radius:50%;animation:sp .8s linear infinite}
  @keyframes sp{to{transform:rotate(360deg)}}