:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:dark;background:#0b1020;color:#f8fafc}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#111827,#0b1020)}header,main{width:min(900px,92%);margin:auto}header{padding:2rem 0 1rem}h1{margin:0;font-size:clamp(2rem,8vw,3.6rem)}header p{color:#94a3b8}main{display:grid;gap:1rem;padding-bottom:3rem}.card{background:#151c2e;border:1px solid #26324b;border-radius:18px;padding:1.2rem;box-shadow:0 12px 30px #0004}label{display:block;margin:.7rem 0}textarea{width:100%;resize:vertical;border-radius:12px;border:1px solid #475569;background:#0f172a;color:inherit;padding:1rem;font:inherit}button{margin-top:1rem;border:0;border-radius:12px;padding:.85rem 1.2rem;font-weight:700;cursor:pointer;background:#e5e7eb;color:#111827}#status{color:#93c5fd}@media(min-width:760px){main{grid-template-columns:1.5fr 1fr}.card{padding:1.5rem}}