:root {
  --bg: #0e0f17;
  --panel: #171a26;
  --line: #2b3044;
  --text: #e6e9f2;
  --muted: #a3a9bd;
  --gold: #ffd673;
  --gold-dark: #b8892f;
  --error: #ff8a7a;
  --ok: #8fe3a1;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: radial-gradient(ellipse at top, #1b2033 0%, var(--bg) 70%) fixed, var(--bg);
  color: var(--text);
  font: 18px/1.4 "Pixelify Sans", system-ui, sans-serif;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 32px 16px;
}
.card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 24px 22px;
  text-align: center;
}
.logo { image-rendering: pixelated; border-radius: 16px; }
h1 { margin: 8px 0 0; color: var(--gold); font-weight: 600; font-size: 32px; letter-spacing: 1px; }
.sub { margin: 4px 0 18px; color: var(--muted); }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tab {
  flex: 1;
  padding: 10px;
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--line);
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
}
.tab[aria-selected="true"] { color: var(--bg); background: var(--gold); border-color: var(--gold); }
.panel { display: none; text-align: left; }
.panel.active { display: block; }
label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 16px; }
input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  background: #0b0d14;
  color: var(--text);
  border: 2px solid var(--line);
  border-radius: 8px;
  font: inherit;
}
input:focus { outline: none; border-color: var(--gold-dark); }
button.primary {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  background: var(--gold);
  color: var(--bg);
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.primary:disabled { opacity: 0.6; cursor: wait; }
button.link {
  display: block;
  margin: 12px auto 0;
  background: none;
  border: 0;
  color: var(--gold);
  font: inherit;
  font-size: 16px;
  text-decoration: underline;
  cursor: pointer;
}
.hint { color: var(--muted); font-size: 14px; margin: 12px 0 0; }
#msg { min-height: 1.4em; margin: 14px 0 0; font-size: 16px; }
#msg.error { color: var(--error); }
#msg.ok { color: var(--ok); }
.privacy { margin-top: 18px; text-align: left; color: var(--muted); font-size: 14px; }
.privacy a, .doc a { color: var(--gold); }
/* Página de texto (privacidade.html). */
.card.doc { max-width: 720px; text-align: left; font-size: 16px; }
.doc h1 { text-align: center; }
.doc h2 { color: var(--gold); font-size: 20px; font-weight: 600; margin: 22px 0 6px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 20px; margin: 6px 0; }
.doc .sub { text-align: center; }
.privacy summary { cursor: pointer; color: var(--text); }