:root { --ink:#17221d; --muted:#65736b; --paper:#f5f3ec; --card:#fff; --accent:#b4422b; --line:#d8d7cf; }
* { box-sizing:border-box; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:system-ui,-apple-system,sans-serif; line-height:1.5; }
.release-notes { width:min(820px,calc(100% - 2rem)); margin:0 auto; padding:2.5rem 0 4rem; }
.page-header { border-bottom:2px solid var(--ink); margin-bottom:2rem; padding-bottom:1.25rem; }
.page-header h1 { font:700 clamp(2.5rem,8vw,4.5rem)/.95 Georgia,serif; margin:.1rem 0 .5rem; letter-spacing:-.04em; }
.page-header p:last-child { margin:0; }
.eyebrow { color:var(--accent); font-weight:800; letter-spacing:.14em; margin:0; text-transform:uppercase; }
.year-group { display:block; margin-bottom:2.25rem; }
.year-group>h2 { border-bottom:1px solid var(--line); font:700 1.35rem Georgia,serif; margin:0 0 .65rem; padding-bottom:.35rem; }
.release-card { background:var(--card); border:1px solid var(--line); border-left:3px solid var(--accent); margin-bottom:.65rem; padding:.8rem 1rem; box-shadow:0 3px 12px rgb(23 34 29 / 4%); }
.release-meta { color:var(--muted); display:flex; flex-wrap:wrap; gap:.25rem 1rem; font-size:.72rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase; }
.release-card h3 { font:700 1.05rem/1.35 Georgia,serif; margin:.3rem 0 0; }
.release-card h3 span { color:var(--accent); white-space:nowrap; }
.diff-link { font-size:.8rem; font-weight:700; margin:.25rem 0 0; }
.diff-link a { color:var(--accent); text-decoration-thickness:1px; text-underline-offset:2px; }
.details { border-top:1px solid var(--line); font-size:.9rem; margin-top:.65rem; padding-top:.35rem; }
.details>*:first-child { margin-top:.25rem; }
.details>*:last-child { margin-bottom:.25rem; }
.details a { color:var(--accent); }
.details pre,.details code { background:#efeee8; border-radius:.2rem; }
.details code { padding:.1rem .25rem; }
.details pre { overflow:auto; padding:1rem; }
.empty-state { background:var(--card); border:1px solid var(--line); padding:2rem; }
@media (max-width:640px) { .release-notes{padding-top:1.5rem}.release-card{padding:.7rem .8rem} }