:root {
  color-scheme: light dark;
  --background: #f6f7fb;
  --surface: #ffffff;
  --text: #151822;
  --muted: #5f6678;
  --accent: #6D3FE0;
  --border: #dfe3ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f1118;
    --surface: #171a24;
    --text: #f3f5fb;
    --muted: #aab1c3;
    --accent: #B79BFF;
    --border: #2c3140;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 16px/1.62 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main {
  width: min(860px, calc(100% - 32px));
  margin: 32px auto 64px;
  padding: clamp(24px, 5vw, 56px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
}
h1, h2 { line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 7vw, 3.4rem); margin-top: 0; }
h2 { margin-top: 2.2rem; }
p, li { max-width: 72ch; }
a { color: var(--accent); }
.lede { color: var(--muted); font-size: 1.08rem; }
.meta { color: var(--muted); font-size: 0.92rem; }
.cards { display: grid; gap: 12px; margin-top: 28px; }
.card {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: var(--text);
}
.card:hover { border-color: var(--accent); }
nav { margin-bottom: 28px; }
nav a { margin-right: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
footer { margin-top: 44px; color: var(--muted); font-size: 0.9rem; }


.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  background: var(--accent); color: var(--surface); font-weight: 600; text-decoration: none;
}
.btn-ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.hint { color: var(--muted); font-size: 0.92rem; }
nav a:first-child { font-weight: 650; }
@media (max-width: 480px) { .btn { width: 100%; } }