:root {
  --bg: #0d1117;
  --elev: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--elev);
}
.brand { font-weight: 650; text-decoration: none; color: var(--text); }
nav { display: flex; gap: 1rem; align-items: center; }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--text); }
.wrap { max-width: 48rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
.foot { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 2rem; }
.lead { color: var(--muted); font-size: 1.05rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; margin-left: 0.5rem; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.err { color: var(--err); }
.btn, button {
  display: inline-block;
  background: var(--accent);
  color: #0d1117;
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.stack { display: flex; flex-direction: column; gap: 0.65rem; max-width: 22rem; }
label { display: flex; flex-direction: column; gap: 0.25rem; }
input[type=email], input[type=text] {
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--elev);
  color: var(--text);
}
.cards { display: grid; gap: 1rem; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  background: var(--elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.card h2 { margin: 0 0 0.35rem; font-size: 1.15rem; }
.price { font-weight: 650; margin: 0.25rem 0; }
.files { list-style: none; padding: 0; margin: 0; }
.files li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem;
}
form.inline { display: inline; margin: 0; }
form.inline button {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 0;
  font-weight: 500;
}