:root {
    --bg: #f5f7ff;
    --card: #fff;
    --text: #0d1330;
    --muted: #5a668a;
    --accent: #006dff;
    --shadow: 0 20px 40px rgba(0,0,0,.08);
}

@media (prefers-color-scheme: dark) {
    :root {
    --bg: #0b1020;
    --card: #121a33;
    --text: #e7ecff;
    --muted: #a9b2d0;
    --accent: #67d4ff;
    --shadow: 0 20px 40px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  font-family: "SF Mono", "Segoe UI Mono", "Roboto Mono", Menlo, Consolas, monospace;
  font-optical-sizing: auto;
  font-style: normal;
  font-size: 14px;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: end;
  align-items: center;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

.main {
  flex: 1;
  padding: 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

footer {
  padding: 0 20px;
}

.badge {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(103,212,255,.12);
  color: var(--accent);
  border: 1px solid rgba(103,212,255,.25);
}

.image {
  max-height: 350px;
}

h1 {
  margin: 0;
  font-size: 28px;
  padding-bottom: 16px;
}

p {
  color: var(--muted);
  margin: 0 auto 18px;
  font-size: 16px;
}

.actions {
  margin-top: 22px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

a.btn,
button {
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 500;
  cursor: pointer;
  transition: all .1s ease;
  text-decoration: none;
  font-family: "Roboto Mono", monospace;
}

.primary {
  background: var(--accent);
  color: white;
}

.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(255,255,255,.12);
}

.footnote {
  font-size: 12px;
  color: var(--muted);
  margin-top: 20px;
  text-align: center;
}