/* Página de acessos: só links fixos, sem script e sem recurso externo (fonte do sistema). */
:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2933;
  --link: #1d4ed8;
  --border: #d9dde3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --card: #1b2027;
    --text: #e6e9ee;
    --link: #8ab4ff;
    --border: #2c333d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  width: 100%;
  max-width: 420px;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

h1 {
  margin: 0 0 24px;
  font-size: 1.6rem;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

nav a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--link);
  font-weight: 600;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  border-color: var(--link);
  outline: none;
}