:root {
  color-scheme: dark;
  --bg: #070807;
  --panel: #111510;
  --line: #30382a;
  --text: #f2f0e8;
  --muted: #aab19f;
  --accent: #8fd14f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Aptos", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 10%, #182016 0, var(--bg) 42%);
  color: var(--text);
}

main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.panel {
  width: min(520px, 100%);
  border: 1px solid var(--line);
  background: rgba(17, 21, 16, .88);
  border-radius: 10px;
  padding: 24px;
}

.mark {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .08em;
  font-size: 13px;
}

h1 {
  margin: 12px 0;
  font-size: 24px;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

a,
button {
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  background: #171d15;
  color: var(--text);
  text-decoration: none;
  font: inherit;
  font-weight: 700;
}

a {
  background: var(--accent);
  border-color: var(--accent);
  color: #0c1108;
}

.note {
  margin-bottom: 0;
  font-size: 13px;
}