:root {
  --bg: #09090d;
  --bg-soft: #111218;
  --line: #2a2b35;
  --text: #f6f6fb;
  --text-muted: #c5c6d1;
  --accent: #ef2435;
  --accent-soft: #3a141a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Exo 2', 'Segoe UI', sans-serif;
  background:
    radial-gradient(900px 460px at -10% 0%, rgba(239, 36, 53, 0.2), transparent 70%),
    radial-gradient(780px 420px at 110% 0%, rgba(239, 36, 53, 0.16), transparent 76%),
    linear-gradient(180deg, #08080b 0%, #0b0b10 100%);
  color: var(--text);
  line-height: 1.62;
  padding: 30px 18px 60px;
}

.wrapper {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.topbar {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-family: 'Unbounded', 'Segoe UI', sans-serif;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.back-link {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.25s ease;
}

.back-link:hover {
  border-color: #5a2b32;
  color: #fff;
}

.card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(16, 16, 23, 0.86);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.44);
  padding: 26px;
}

h1 {
  margin: 0 0 10px;
  font-family: 'Unbounded', 'Segoe UI', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1.15;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--text-muted);
}

pre {
  margin: 0;
  font-family: 'Exo 2', 'Segoe UI', sans-serif;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  font-size: 0.96rem;
}

.note {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}