body{font-family:Arial,Helvetica,sans-serif;margin:0;background:#f9fafc;color:#222}
header{background:#ff4757;color:#fff;padding:2rem 1rem;text-align:center}
header h1{margin:0;font-size:2.2rem}
header p{margin:.5rem 0 0;opacity:.95}
main{padding:2rem 1rem;max-width:900px;margin:0 auto}
.card{background:#fff;border-radius:14px;padding:1.25rem;margin:1rem 0;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.card h2{margin:.2rem 0 1rem;font-size:1.3rem}
.row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
input[type=text]{flex:1;min-width:240px;padding:.8rem;border:1px solid #d8dde6;border-radius:10px;font-size:1rem}
button{padding:.8rem 1.1rem;border:none;border-radius:10px;background:#1e90ff;color:#fff;font-weight:600;cursor:pointer}
button:hover{background:#0d6efd}
.small{font-size:.9rem;color:#555}
#output p{margin:.4rem 0}
footer{background:#f1f3f5;margin-top:2rem;padding:1rem;text-align:center}
footer a{color:#1e90ff;text-decoration:none}
.adslot{margin:1rem auto;min-height:90px}
.note{background:#fff3cd;border:1px solid #ffe69c;color:#664d03;padding:.6rem .8rem;border-radius:8px;margin-top:.8rem}