* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #0f1419;
  color: #e7ecf3;
  line-height: 1.5;
}
a { color: #5eb3ff; text-decoration: none; }
.muted { color: #8b98a8; font-size: 14px; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid #243041;
  background: #121820;
}
.container { max-width: 720px; margin: 24px auto; padding: 0 16px 48px; }
.card {
  background: #171f2a;
  border: 1px solid #243041;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 { margin: 0 0 8px; font-size: 18px; }
label { display: block; margin: 14px 0 6px; font-size: 14px; color: #b8c4d4; }
input[type=text], input[type=url], input[type=password] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0f1419;
  color: #fff;
}
button {
  margin-top: 16px;
  padding: 10px 18px;
  border: 0;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
button.secondary { background: #334155; }
.switch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}
.switch-row input { width: 20px; height: 20px; }
.code {
  background: #0f1419;
  border: 1px solid #243041;
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  font-size: 13px;
}
.toast { padding: 12px; border-radius: 8px; margin-bottom: 12px; }
.toast.ok { background: #14532d; color: #bbf7d0; }
.toast.err { background: #7f1d1d; color: #fecaca; }
.alert { background: #7f1d1d; color: #fecaca; padding: 10px; border-radius: 8px; margin-bottom: 12px; }
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card { width: min(400px, 92vw); }