:root {
  --bg: #0a0a0a;
  --surface: #111216;
  --text-main: #f5f5f7;
  --text-muted: #b4b4be;
  --accent: #cbd5e1;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 10%, rgba(148, 163, 184, 0.11), transparent 34%),
    radial-gradient(circle at 15% 80%, rgba(59, 130, 246, 0.11), transparent 38%),
    var(--bg);
  color: var(--text-main);
  font-family: "SF Pro Display", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid #60a5fa;
  outline-offset: 3px;
}

.wrapper {
  width: min(860px, calc(100% - 2rem));
  margin: 4rem auto;
}

.panel {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(20, 20, 24, 0.96), rgba(10, 10, 12, 0.98));
  padding: clamp(1.1rem, 2.3vw, 1.8rem);
  box-shadow: 0 24px 42px rgba(0, 0, 0, 0.48), inset 1px 1px 0 rgba(255, 255, 255, 0.05);
}

h1 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
}

h2 {
  margin: 1.4rem 0 0.55rem;
  font-size: 1.12rem;
}

p,
li {
  color: var(--text-muted);
}

ul {
  margin: 0;
  padding-left: 1.1rem;
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.back-link {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  color: #e2e8f0;
  font-size: 0.88rem;
}

.footer-note {
  margin-top: 1.3rem;
  color: #a1a1aa;
  font-size: 0.86rem;
}