:root { color-scheme:light dark; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; background:#fffaf7; color:#21333c; }
* { box-sizing:border-box; }
body { margin:0; background:linear-gradient(180deg,#fffaf7,#f7fbfa); }
main { width:min(760px,calc(100% - 32px)); margin:0 auto; padding:40px 0 64px; }
nav { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:28px; }
nav a { color:#456f73; font-size:14px; font-weight:700; text-decoration:none; }
h1 { font-size:clamp(30px,7vw,48px); margin:0 0 8px; }
h2 { margin:30px 0 8px; font-size:20px; }
p,li { color:#52666d; font-size:15px; line-height:1.75; }
.updated { margin:0 0 30px; color:#7c8c91; font-size:13px; }
.card { padding:20px; border:1px solid #dce8e5; border-radius:18px; background:rgba(255,255,255,.75); }
form { display:grid; gap:14px; }
label { display:grid; gap:6px; color:#344d55; font-size:13px; font-weight:750; }
input,select,textarea { width:100%; padding:12px; border:1px solid #cadbd7; border-radius:12px; background:#fff; color:#21333c; font:inherit; }
textarea { min-height:150px; resize:vertical; }
button { min-height:46px; border:0; border-radius:13px; background:#456f73; color:white; font:inherit; font-weight:800; cursor:pointer; }
button:disabled { opacity:.55; }
.status { min-height:24px; margin:0; font-weight:700; }
.honeypot { position:absolute; left:-10000px; width:1px; height:1px; overflow:hidden; }
@media (prefers-color-scheme:dark) { :root,body { background:#10232c; color:#eef8f5; } body { background:linear-gradient(180deg,#10232c,#132a33); } p,li,.updated { color:#b9ccc8; } nav a { color:#a6d2c9; } .card { border-color:#28434a; background:rgba(20,47,57,.8); } label { color:#d5e8e3; } input,select,textarea { border-color:#35545a; background:#0e2028; color:#eef8f5; } }