:root{
  --black:#1A191D;          /* fundo principal (mais profundo que o brandbook pra dar contraste) */
  --black-soft:#232227;     /* neutro brandbook — cards */
  --black-lift:#313135;     /* neutro brandbook — campos/bordas elevadas */
  --white:#F5F8FF;
  --brand:#000B7E;
  --cyan:#008CF6;
  --cyan-soft:#5FB2FF;
  --muted:#9A9AA3;
  --line:rgba(255,255,255,.09);
  --radius:18px;
  --danger:#FF6B6B;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Inter','Helvetica Neue',Helvetica,Arial,sans-serif;
  background:var(--black);color:var(--white);line-height:1.6;
  min-height:100vh;display:flex;flex-direction:column;
}
::selection{background:var(--cyan);color:#fff}
.container{width:min(1140px,92%);margin:0 auto}

/* header */
header{padding:1.1rem 0;border-bottom:1px solid var(--line);background:rgba(26,25,29,.9);backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:.8rem;text-decoration:none;color:var(--white)}
.logo img{height:30px;display:block}
.logo small{
  font-style:normal;font-weight:700;font-size:.62rem;letter-spacing:.18em;color:var(--muted);
  display:block;line-height:1;margin-top:2px;
}
.back{color:var(--muted);text-decoration:none;font-weight:600;font-size:.93rem;transition:.2s}
.back:hover{color:var(--cyan-soft)}

/* main */
main{
  flex:1;display:flex;align-items:center;justify-content:center;padding:4rem 1.5rem;position:relative;overflow:hidden;
  background:
    radial-gradient(640px 460px at 88% 8%,rgba(0,140,246,.09),transparent 60%),
    radial-gradient(520px 420px at 4% 96%,rgba(0,11,126,.14),transparent 60%),
    var(--black);
}
.circuit{position:absolute;pointer-events:none}
.dotgrid{
  position:absolute;width:110px;height:110px;pointer-events:none;opacity:.4;
  background-image:radial-gradient(rgba(0,140,246,.55) 1.5px,transparent 1.6px);
  background-size:18px 18px;
}
.card{
  width:100%;max-width:440px;background:var(--black-soft);border:1px solid var(--line);border-radius:24px;
  padding:2.8rem 2.5rem;position:relative;z-index:2;
  box-shadow:0 40px 90px rgba(0,0,0,.55),0 0 60px rgba(0,140,246,.06),inset 0 1px 0 rgba(255,255,255,.05);
}
.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.28em;
  text-transform:uppercase;color:var(--cyan-soft);margin-bottom:.9rem;
}
.eyebrow::before{content:"";display:inline-block;width:22px;height:3px;background:var(--cyan);margin-right:.6rem;vertical-align:middle;border-radius:2px}
h1{font-size:1.8rem;font-weight:800;letter-spacing:-.02em;color:var(--white);margin-bottom:.4rem}
.card>p{color:var(--muted);font-size:.95rem;margin-bottom:1.8rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:.4rem}
.field input{
  width:100%;padding:.95rem 1.1rem;border-radius:12px;font-size:.98rem;
  background:var(--black-lift);border:1px solid var(--line);color:var(--white);font-family:inherit;transition:.2s;
}
.field input::placeholder{color:#6E6E77}
.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,140,246,.2)}

/* bloco de erro (não existia no protótipo — mesmo padrão do card) */
.alert{
  display:flex;gap:.7rem;align-items:flex-start;
  background:rgba(255,107,107,.08);border:1px solid rgba(255,107,107,.4);
  border-left:3px solid var(--danger);border-radius:12px;
  padding:.85rem 1rem;margin-bottom:1.4rem;
  color:#FFD9D9;font-size:.9rem;line-height:1.45;
}
.alert .alert-ico{color:var(--danger);font-weight:900;flex:0 0 auto;line-height:1.3}
.alert ul{margin:0;padding-left:1rem}
.alert p{margin:0}

/* checkbox "manter conectado" (adicionado ao layout) */
.remember{
  display:flex;align-items:center;gap:.6rem;margin:.2rem 0 1.1rem;
  font-size:.9rem;color:var(--muted);cursor:pointer;user-select:none;
}
.remember input{
  appearance:none;-webkit-appearance:none;width:18px;height:18px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:5px;background:var(--black-lift);
  cursor:pointer;position:relative;transition:.2s;
}
.remember input:checked{background:var(--cyan);border-color:var(--cyan)}
.remember input:checked::after{
  content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.remember input:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(0,140,246,.25)}

.btn{
  width:100%;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-weight:700;font-size:1rem;padding:1rem 1.9rem;border-radius:999px;transition:.25s;
  border:0;cursor:pointer;background:var(--cyan);color:#fff;font-family:inherit;
  box-shadow:0 8px 30px rgba(0,140,246,.35);margin-top:.4rem;
}
.btn:hover{background:#1e9dff;transform:translateY(-2px);box-shadow:0 12px 38px rgba(0,140,246,.5)}
.links{display:flex;justify-content:space-between;align-items:center;margin-top:1.3rem;font-size:.88rem}
.links a{color:var(--cyan-soft);text-decoration:none;font-weight:600}
.links a:hover{text-decoration:underline}
.links span{color:var(--muted)}
.divider{display:flex;align-items:center;gap:1rem;margin:1.8rem 0 1.2rem;color:var(--muted);font-size:.8rem}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.alt{text-align:center;font-size:.9rem;color:var(--muted)}
.alt a{color:var(--cyan-soft);font-weight:700;text-decoration:none}
.alt a:hover{text-decoration:underline}

/* selo do app CE */
.app-hint{
  margin-top:1.6rem;display:flex;align-items:center;gap:.8rem;justify-content:center;
  font-size:.8rem;color:var(--muted);
}
.app-hint .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(0,140,246,.8)}

/* footer */
footer{background:#111015;border-top:1px solid var(--line);padding:1.6rem 0;text-align:center;color:var(--muted);font-size:.85rem}
footer b{color:var(--cyan-soft)}
footer a{color:var(--cyan-soft);text-decoration:none}
footer a:hover{text-decoration:underline}
@media(max-width:560px){.card{padding:2rem 1.5rem}}