:root {
  --bg: #0f0a09;
  --bg-2: #1a1110;
  --card: rgba(28, 19, 17, 0.86);
  --line: rgba(212, 166, 42, 0.22);
  --text: #f1e7d6;
  --muted: #b9a993;
  --gold: #d4a62a;
  --gold-light: #f2d27a;
  --red: #8b1a1a;
  --purple: #5b2a86;
  --green: #7bc043;
  --error: #ff8a7a;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  background: radial-gradient(120% 80% at 50% -10%, #3a1412 0%, var(--bg-2) 45%, var(--bg) 100%);
  color: var(--text);
  font: 16px/1.55 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}

/* Brilho da praga no canto, discreto */
.glow {
  position: fixed;
  inset: auto -20vw -30vh auto;
  width: 70vw;
  height: 70vh;
  background: radial-gradient(closest-side, rgba(91, 42, 134, 0.28), rgba(123, 192, 67, 0.06) 60%, transparent);
  pointer-events: none;
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hero { text-align: center; }

.logo {
  width: min(100%, 560px);
  height: auto;
  filter: drop-shadow(0 6px 24px rgba(212, 166, 42, 0.25));
}

.title {
  margin: 12px 0 0;
  font-family: Cinzel, "Trajan Pro", Georgia, serif;
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  letter-spacing: 0.04em;
  color: var(--gold-light);
}

.title span {
  background: linear-gradient(90deg, var(--gold) 0 18%, var(--green) 45%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  max-width: 560px;
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(242, 210, 122, 0.06);
  backdrop-filter: blur(6px);
}

.state[hidden] { display: none; }

h2 {
  margin: 0 0 6px;
  font-family: Cinzel, Georgia, serif;
  font-size: 1.35rem;
  color: var(--gold-light);
}

h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--gold-light);
}

.muted { color: var(--muted); margin: 0 0 16px; }
.small { font-size: 0.88rem; margin-top: 12px; }

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

input {
  flex: 1 1 260px;
  min-width: 0;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(10, 7, 6, 0.75);
  color: var(--text);
  font: inherit;
  letter-spacing: 0.04em;
}

input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  font: 600 1rem/1.2 Inter, system-ui, sans-serif;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease, background 0.15s ease;
}

.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 2px; }
.btn[disabled] { opacity: 0.6; cursor: progress; }

.btn-gold {
  background: linear-gradient(180deg, var(--gold-light), var(--gold) 55%, #a87d17);
  color: #2a0d0b;
  border-color: #7a5a10;
  box-shadow: 0 6px 20px rgba(212, 166, 42, 0.25);
}

.btn-gold:hover { filter: brightness(1.07); }

.btn-big {
  width: 100%;
  padding: 16px 22px;
  font-size: 1.1rem;
}

.btn-ghost {
  margin-top: 20px;
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}

.btn-ghost:hover { color: var(--text); }

.error {
  margin: 12px 0 0;
  color: var(--error);
}

.smartscreen {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 3px solid var(--red);
  border-radius: 8px;
  background: rgba(139, 26, 26, 0.12);
}

.smartscreen p { margin: 0 0 8px; color: var(--muted); }
.smartscreen ol { margin: 0; padding-left: 20px; }

.footer {
  display: flex;
  justify-content: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  opacity: 0.8;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 480px) {
  .page { padding-top: 28px; gap: 24px; }
  .card { padding: 20px 16px; }
  .row .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}