:root {
  --accent: #454fe6; --page: #f8f8f8; --surface: #ffffff; --text: #1d1d1f; --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.09); --soft: rgba(0, 0, 0, 0.05);
}
@media (prefers-color-scheme: dark) {
  :root { --accent: #858fff; --page: #1a1a1a; --surface: #252525; --text: #f2f2f2; --muted: #a0a0a5;
    --line: rgba(255, 255, 255, 0.10); --soft: rgba(255, 255, 255, 0.06); }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--text); font: 16px/1.55 -apple-system, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; }
header, main, footer { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 72px; padding-bottom: 28px; }
.eyebrow { margin: 0 0 6px; font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
h1 { margin: 0; font-size: 44px; letter-spacing: -0.02em; line-height: 1.1; }
.lead { margin: 12px 0 0; font-size: 18px; color: var(--muted); }
.muted { color: var(--muted); } .center { text-align: center; }
main { display: flex; flex-direction: column; gap: 18px; }

.app { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.app-head { display: flex; gap: 18px; align-items: center; }
.app-head img { width: 72px; height: 72px; flex: none; }
.app-head h2 { margin: 0; font-size: 26px; letter-spacing: -0.01em; }
.app-head p { margin: 2px 0 0; color: var(--muted); }
.desc { margin: 18px 0 0; }
.meta { margin: 8px 0 0; font-size: 14px; color: var(--muted); }

.downloads { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-top: 20px; }
.dl { border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.dl.match { border-color: var(--accent); }
.dl-top { display: flex; align-items: baseline; gap: 8px; }
.dl-top b { font-size: 18px; }
.tag { font-size: 12px; font-weight: 600; color: var(--accent); background: color-mix(in srgb, var(--accent) 11%, transparent); padding: 2px 8px; border-radius: 10px; }
.req { font-size: 14px; color: var(--muted); margin: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; font-weight: 600;
  padding: 11px 16px; border-radius: 10px; background: var(--soft); color: var(--text); }
.btn:hover { filter: brightness(0.96); }
.match .btn { background: var(--accent); color: #fff; }
.btn svg { width: 18px; height: 18px; }
details { font-size: 14px; }
summary { cursor: pointer; color: var(--accent); font-weight: 500; }
ol { margin: 8px 0 0; padding-left: 20px; color: var(--muted); }
li { margin: 4px 0; }
.sum { font: 11.5px/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--muted); word-break: break-all; margin: 8px 0 0; }

footer { padding-top: 36px; padding-bottom: 56px; font-size: 14px; color: var(--muted); }
footer p { margin: 0 0 8px; }
@media (max-width: 520px) { h1 { font-size: 34px; } header { padding-top: 44px; } .app { padding: 18px; } }