:root{color-scheme:light dark;--bg:#f5f7fa;--card:#fff;--text:#17202a;--muted:#5d6d7e;--line:#dfe6ee;--accent:#1467a8;--warn:#8a4b08;--warnbg:#fff4df;--code:#eef3f7}
@media(prefers-color-scheme:dark){:root{--bg:#111820;--card:#18222d;--text:#edf3f7;--muted:#aab8c5;--line:#33414f;--accent:#69b7f0;--warn:#ffd18a;--warnbg:#332713;--code:#222f3b}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
main{max-width:850px;margin:0 auto;padding:48px 20px 70px}.hero{margin-bottom:28px}.eyebrow{font-weight:700;color:var(--accent);letter-spacing:.03em}.hero h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.05;margin:.25rem 0 .75rem}.lead{font-size:1.15rem;color:var(--muted);max-width:700px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin:16px 0;box-shadow:0 5px 18px rgba(0,0,0,.04)}h2{font-size:1.25rem;margin:0 0 12px}p{margin:.55rem 0}
.settings{display:grid;grid-template-columns:max-content 1fr;gap:7px 22px}.settings b{color:var(--muted)}code,.address{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.address{display:block;padding:13px 15px;margin:12px 0;background:var(--code);border-radius:10px;overflow:auto;font-weight:700}
.warning{background:var(--warnbg);border-color:color-mix(in srgb,var(--warn) 35%,transparent)}.warning h2{color:var(--warn)}
footer{color:var(--muted);font-size:.9rem;margin-top:28px}.langs{margin-top:18px;font-size:.9rem}.langs a{color:var(--accent);text-decoration:none;margin-right:.55rem;white-space:nowrap}.langs a:hover{text-decoration:underline}