:root {
  --bg: #0c0512;
  --surface: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.16);
  --text: #f9efff;
  --muted: #b8a6d6;
  --accent: #d665ff;
  --accent-strong: #ff73cb;
  --code-bg: #14081c;
  --primary: #d337d1;
  --secondary: #ff73cb;
}

* {
  box-sizing: border-box;
}

*::-webkit-scrollbar {
  width: 8px;
}

*::-webkit-scrollbar-track {
  background: #1a0e24;
}

*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 999px;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 30% 10%, #2a1037 0%, #13071a 45%, #0c0512 100%);
  min-height: 100vh;
}

.topbar {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 7, 22, 0.65);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
}

.brand {
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

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

.container {
  width: min(900px, 92vw);
  margin: 2rem auto;
}

h1 { margin: 0 0 .25rem; }
.muted { color: var(--muted); }

.button-grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.9rem;
}

.btn {
  display: block;
  background: linear-gradient(135deg, rgba(214, 101, 255, 0.25), rgba(255, 115, 203, 0.15));
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.85rem 1rem;
  text-decoration: none;
  border-radius: 1rem;
  font-weight: 600;
  transition: all 180ms ease;
  backdrop-filter: blur(6px);
}

.btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(214, 101, 255, 0.25);
}

.btn .sub {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.md-view {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  line-height: 1.6;
  backdrop-filter: blur(10px);
}

.md-view h1,
.md-view h2,
.md-view h3 {
  line-height: 1.3;
}

.md-view h1 {
  margin: 0 0 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .5rem;
}

.md-view h2 { margin-top: 1.5rem; }

.md-view p { margin: .8rem 0; }

.md-view ul,
.md-view ol {
  padding-left: 1.5rem;
}

.md-view blockquote {
  margin: 1rem 0;
  border-left: 3px solid var(--accent-strong);
  padding: .2rem .8rem;
  color: var(--muted);
  background: rgba(255, 115, 203, 0.08);
  border-radius: 0.4rem;
}

.md-view a {
  color: var(--accent);
}

.md-view code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: .4rem;
  padding: .08rem .35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.md-view pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: .6rem;
  padding: .8rem;
  overflow: auto;
}

.md-view hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.2rem 0;
}

.error {
  color: #ffe3f1;
  background: rgba(255, 115, 203, 0.15);
  border: 1px solid rgba(255, 115, 203, 0.45);
  padding: 0.8rem;
  border-radius: 0.6rem;
}