:root{color-scheme:light dark;--bg:#101018;--card:#1b1a25;--text:#f5f1ff;--muted:#c8c2d5;--accent:#c2a7ff;--line:#393342;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.7}header,main,footer{width:min(780px,calc(100% - 40px));margin:auto}header{padding:40px 0 28px;border-bottom:1px solid var(--line)}.brand{font-weight:800;font-size:25px;letter-spacing:3px}.brand span{display:block;font-size:11px;letter-spacing:4px;color:var(--muted)}nav{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}a{color:var(--accent);text-underline-offset:4px}main{padding:36px 0}h1{font-size:clamp(30px,6vw,44px);line-height:1.18;margin:0 0 14px;letter-spacing:-1px}h2{font-size:21px;margin-top:32px}.date,p,li{color:var(--muted)}.summary{padding:20px 24px;background:var(--card);border:1px solid var(--line);border-radius:18px;margin:26px 0}.summary p{margin:0}footer{padding:22px 0 42px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}@media(prefers-color-scheme:light){:root{--bg:#f8f6fc;--card:#fff;--text:#242034;--muted:#514a62;--accent:#64419b;--line:#ddd5e8}}