* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body.ia2s {
  min-height: 100vh;
  background: #0D0A06;
  overflow: hidden;
}
.pular {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 20;
  background: var(--ia2s-gold);
  color: var(--ia2s-on-accent);
  padding: 0.4rem 0.8rem;
}
.pular:focus { left: 1rem; top: 0.5rem; }
:focus-visible {
  outline: 2px solid var(--ia2s-gold);
  outline-offset: 2px;
}

#circuito {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.glow,
.vinheta {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.glow {
  background: radial-gradient(
    circle at var(--gx, 50%) var(--gy, 42%),
    rgba(212, 168, 46, 0.16),
    transparent 52%
  );
  animation: glow-pulse 7s ease-in-out infinite;
}
.vinheta {
  background: radial-gradient(ellipse at center, transparent 48%, rgba(5, 3, 1, 0.62) 100%);
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

.cena {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1.25rem;
}

.cartao-login {
  width: min(100%, 22.5rem);
  text-align: center;
}
.marca {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin: 0 0 0.85rem;
}
.simbolo {
  width: 52px;
  height: auto;
  display: block;
}
.wordmark-ia2s {
  margin: 0;
  font-family: var(--ia2s-font-body);
  font-weight: 800;
  font-size: 2.15rem;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--ia2s-white);
}
.wordmark-ia2s .dois { color: var(--ia2s-gold); }
.produto { margin: 0 0 0.55rem; }
.ia2s-alma {
  margin: 0 0 1.6rem;
  font-size: 1.15rem;
}

form { display: grid; gap: 0.85rem; text-align: left; }
label {
  display: grid;
  gap: 0.35rem;
  font-size: var(--ia2s-size-label);
  font-weight: 600;
  letter-spacing: var(--ia2s-track-label);
  text-transform: uppercase;
  color: var(--ia2s-cream);
}
input[type="text"],
input[type="password"] {
  width: 100%;
  font: 400 1rem/1.4 var(--ia2s-font-body);
  letter-spacing: 0;
  text-transform: none;
  color: var(--ia2s-text);
  background: rgba(14, 10, 6, 0.72);
  border: 1px solid var(--ia2s-border-strong);
  border-radius: 6px;
  padding: 0.8rem 0.9rem;
}
input::placeholder { color: var(--ia2s-text-3); }
input:focus {
  outline: none;
  border-color: var(--ia2s-gold-bright);
  box-shadow: 0 0 0 3px rgba(212, 168, 46, 0.2);
}

.ia2s-btn {
  width: 100%;
  text-align: center;
  border-radius: 6px;
  box-shadow: 0 0 28px rgba(212, 168, 46, 0.38);
}
.ia2s-btn:hover { filter: brightness(1.06); }

.aviso {
  margin: 0.15rem 0 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--ia2s-text-muted);
  max-width: none;
}
.aviso[data-erro="1"] { color: var(--ia2s-gold-bright); }

@media (prefers-reduced-motion: reduce) {
  .glow { animation: none; }
}