:root {
  --bg: #0b0d14;
  --card: #141824;
  --fg: #e6e8ef;
  --muted: #8a90a2;
  --accent: #f0a63a;
  --line: rgba(255, 255, 255, 0.08);
  --c-chains: #4cc3ff;
  --c-decay: #b07cff;
  --c-time: #ffc24a;
  --c-elements: #5fd4a0;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: inherit; }

.top { max-width: 1100px; margin: 0 auto; padding: 20px 20px 0; display: flex; align-items: center;
  justify-content: space-between; }
.back { color: var(--accent); text-decoration: none; font-size: 14px; }
select { background: #1b1e2a; color: var(--fg); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px;
  font: inherit; font-size: 13px; }

main { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
h1 { margin: 18px 0 6px; font-size: 28px; font-weight: 600; }
.lead { color: var(--muted); margin: 0 0 10px; }

.sec { --c: var(--accent); margin-top: 28px; }
.sec-chains { --c: var(--c-chains); }
.sec-decay { --c: var(--c-decay); }
.sec-time { --c: var(--c-time); }
.sec-elements { --c: var(--c-elements); }
.sec h2 { margin: 0 0 12px; font-size: 13px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; color: var(--c); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.card { display: flex; gap: 14px; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  text-decoration: none; transition: transform 0.15s ease, border-color 0.15s ease; }
.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--c) 55%, transparent); }

.tile { position: relative; flex: none; width: 64px; height: 64px; border-radius: 9px;
  border: 1.5px solid color-mix(in srgb, var(--c) 70%, transparent);
  background: color-mix(in srgb, var(--c) 12%, #0f1220);
  box-shadow: 0 0 18px color-mix(in srgb, var(--c) 22%, transparent); }
.tile b { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding-top: 8px;
  font-size: 24px; font-weight: 700; color: var(--fg); }
.tile .a, .tile .z { position: absolute; top: 4px; font-size: 11px; font-weight: 600; color: var(--muted); }
.tile .a { left: 6px; }
.tile .z { right: 6px; }

.body { min-width: 0; display: flex; flex-direction: column; }
.head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge { padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #0b0d14; background: var(--c); }
.name { font-size: 13px; color: var(--muted); }
.card h3 { margin: 6px 0 4px; font-size: 17px; font-weight: 600; }
.card p { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.open { margin-top: 8px; font-size: 13px; color: var(--c); }

.note { margin: 32px 0 0; color: var(--muted); font-size: 12px; }
footer { max-width: 1100px; margin: 0 auto; padding: 20px 20px 28px; color: var(--muted); font-size: 12px; }
footer a { color: var(--muted); }

@media (max-width: 600px) {
  .top { padding: 14px 14px 0; }
  main { padding: 0 14px; }
  h1 { font-size: 23px; }
  .cards { grid-template-columns: 1fr; gap: 12px; }
  .card { padding: 12px; gap: 12px; }
  .tile { width: 52px; height: 52px; }
  .tile b { font-size: 19px; }
}