:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: start center; padding: 40px 16px;
  background: #050505; color: #f2f2f2;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
[hidden] { display: none !important; }
.card {
  width: 100%; max-width: 760px; padding: 24px;
  background: #000; border: 1px solid #2a2a2a; border-radius: 20px;
}
h1 { margin: 0; font-size: 1.4rem; }
.sub { margin: 4px 0 0; color: #a0a0a0; }
header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding-bottom: 20px; }
.badge {
  font: inherit; font-size: .8rem; font-weight: 600; cursor: pointer;
  padding: 4px 10px; border-radius: 999px; border: 0;
  background: #0b2a14; color: #2fd45a;
}
.badge.latest { background: #0d2c17; margin-left: 8px; cursor: default; }
ul { list-style: none; margin: 0; padding: 0;  }
.build { display: flex; justify-content: space-between;  padding: 22px 0; margin-top: 64px; border-top: 1px solid #3d3d3d; }
.build h2 { margin: 0; font-size: 1.1rem; display: flex; align-items: center; }
.meta { margin: 8px 0 0; color: #a0a0a0; font-size: .95rem; }
.notes { margin: 16px 0 0 12px; }
.notes strong { display: block; margin-bottom: 4px; }
.notes div { padding: 2px 0; }
.btn {
  font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; align-self: flex-start;
  padding: 10px 22px; border-radius: 999px; border: 1px solid #444;
  background: transparent; color: inherit;
}
.btn:hover { border-color: #888; }
.btn:disabled { opacity: .6; cursor: wait; }
.btn.primary, .build.is-latest .btn { background: #efefef; color: #000; border-color: #efefef; }
#login-form { display: grid; gap: 12px; margin-top: 20px; }
input {
  font: inherit; padding: 10px 14px; border-radius: 10px;
  border: 1px solid #333; background: #0d0d0d; color: inherit;
}
.error { color: #ff6b6b; min-height: 1.2em; margin: 0; }
@media (max-width: 520px) { .build { flex-direction: column; } }