/* style.css — Página White (sem redirecionamento) */
:root{
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --primary: #0ea5e9;
  --primary-pressed: #0284c7;
  --ring: rgba(14,165,233,.35);
}

*{ box-sizing: border-box; }

html, body{
  background: var(--bg);
  color: var(--fg);
}

.container{
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card{
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(2,6,23,.06);
  text-align: center;
}

h1{
  font-size: clamp(20px, 4vw, 24px);
  line-height: 1.2;
  margin: 0 0 12px 0;
  letter-spacing: -0.02em;
}

.lead{
  margin: 0 0 20px 0;
  color: var(--muted);
  font-size: 14px;
}

.btn{
  width: 100%;
  appearance: none;
  border: none;
  border-radius: 12px;
  padding: 14px 18px;
  font-weight: 600;
  font-size: 16px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .06s ease, background .12s ease;
  box-shadow: 0 8px 20px rgba(14,165,233,.25);
  outline: none;
}

.btn:active{
  transform: translateY(1px);
  background: var(--primary-pressed);
  box-shadow: 0 6px 14px rgba(2,132,199,.25);
}

.btn:focus-visible{
  box-shadow: 0 0 0 4px var(--ring);
}

.meta{
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}

/* Suporte a dark mode do dispositivo */
@media (prefers-color-scheme: dark){
  :root{
    --bg: #0b1220;
    --fg: #e5e7eb;
    --muted: #94a3b8;
    --primary: #38bdf8;
    --primary-pressed: #0ea5e9;
    --ring: rgba(56,189,248,.35);
  }
  .card{ background: #0f172a; border-color: #1f2937; }
}