:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c1f26;
  --muted: #5f6673;
  --border: #e2e5ea;
  --accent: #f38020;
  --google: #1a73e8;
  --github: #24292f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --card: #1a1d24;
    --text: #edeef2;
    --muted: #a0a6b3;
    --border: #2a2f3a;
    --github: #e6edf3;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.card {
  width: 100%;
  max-width: 440px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 { margin: 0 0 8px; font-size: 24px; }

#status { margin: 0 0 24px; color: var(--muted); }

.actions { display: grid; gap: 12px; }

.button {
  display: block;
  text-align: center;
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
}

.button.google { background: var(--google); }
.button.github { background: var(--github); color: var(--card); }

.profile dl {
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}

.profile dl div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.profile dt { color: var(--muted); }
.profile dd { margin: 0; text-align: right; word-break: break-word; }

.profile button {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

footer {
  margin-top: 28px;
  font-size: 13px;
  color: var(--muted);
}

footer p { margin: 6px 0; }
footer a { color: inherit; }

/* O atributo hidden precisa vencer o display das seções abaixo. */
[hidden] { display: none !important; }