:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.14);
  --accent: #7c5cff;
  --accent-2: #28d7a5;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7fb;
    --card: rgba(0, 0, 0, 0.03);
    --text: rgba(0, 0, 0, 0.9);
    --muted: rgba(0, 0, 0, 0.65);
    --border: rgba(0, 0, 0, 0.12);
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.5;
  color: var(--text);
  background: radial-gradient(
      1200px 800px at 20% 10%,
      rgba(124, 92, 255, 0.22),
      transparent 60%
    ),
    radial-gradient(
      1200px 800px at 80% 10%,
      rgba(40, 215, 165, 0.16),
      transparent 55%
    ),
    var(--bg);
}

a {
  color: inherit;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: #000;
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 10;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.06);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-compact {
  gap: 10px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
  margin: 18px 0;
}

.muted {
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #081018;
  font-weight: 700;
}

.button:focus-visible,
.link-muted:focus-visible {
  outline: 3px solid rgba(124, 92, 255, 0.45);
  outline-offset: 3px;
}

.button-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.link-muted {
  color: var(--muted);
  text-decoration: none;
}

.link-muted:hover {
  text-decoration: underline;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 18px;
}

.prose h1,
.prose h2,
.prose h3 {
  line-height: 1.2;
}

.prose h1 {
  margin-top: 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

.prose ul {
  padding-left: 18px;
}