/* estilo.css — Pantalla de entrada. Mismos colores que las vistas del panel. */
:root{
  --bg:#0f1420; --panel:#161c2b; --panel2:#1c2436; --line:#2a3550; --line2:#38456a;
  --ink:#e7ecf6; --ink-dim:#9fb0cf; --accent:#4da3ff; --good:#39d98a; --bad:#ff6b6b;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);display:flex;align-items:center;
  justify-content:center;padding:24px;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Arial,sans-serif}
.caja{width:100%;max-width:22rem;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:28px 26px 22px;box-shadow:0 18px 50px rgba(0,0,0,.45)}
h1{margin:0;font-size:22px;letter-spacing:.2px}
.sub{margin:2px 0 20px;color:var(--ink-dim);font-size:13px}
form{display:flex;flex-direction:column;gap:14px}
label{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--ink-dim)}
input[type=text],input[type=password],input:not([type]){
  background:var(--panel2);border:1px solid var(--line2);border-radius:8px;
  color:var(--ink);padding:10px 11px;
  /* 16px evita el zoom automático del iPhone al enfocar el campo */
  font-size:16px;min-height:44px}
input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.chk{flex-direction:row;align-items:center;gap:8px;color:var(--ink-dim)}
.chk input{width:18px;height:18px;accent-color:var(--accent)}
button{background:var(--accent);color:#06101f;border:0;border-radius:8px;
  padding:11px 14px;font-size:15px;font-weight:650;cursor:pointer;min-height:44px}
button:hover{filter:brightness(1.07)}
button:active{transform:translateY(1px)}
.error,.aviso{margin:0 0 14px;padding:9px 11px;border-radius:8px;font-size:13px}
.error{background:#4a1d1d;color:#ffd7d7;border:1px solid var(--bad)}
.aviso{background:#12331f;color:#c9f5dc;border:1px solid var(--good)}
.pie{margin:18px 0 0;font-size:11.5px;color:var(--ink-dim);line-height:1.5}
@media (prefers-reduced-motion:no-preference){
  .caja{animation:entra .18s ease-out}
  @keyframes entra{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
}