*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;color:#eee;background:radial-gradient(ellipse at top,#2a0b4a,#07020f 70%);min-height:100vh}
#stars{position:fixed;inset:0;z-index:-1;background-image:radial-gradient(1px 1px at 10% 20%,#fff,transparent),radial-gradient(1px 1px at 70% 30%,#ffd76a,transparent),radial-gradient(1.5px 1.5px at 40% 80%,#fff,transparent),radial-gradient(1px 1px at 85% 75%,#c9a6ff,transparent),radial-gradient(1px 1px at 25% 55%,#fff,transparent);background-size:300px 300px}
header{text-align:center;padding:20px 12px}h1{color:#ffd76a;margin:0;text-shadow:0 0 18px #a06bff}
nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}
a{color:#ffd76a}nav a{padding:10px 14px;border:1px solid #ffd76a;border-radius:20px;text-decoration:none;background:#1a0833}
nav a.gold,.btn.gold{background:#ffd76a;color:#1a0833;font-weight:bold}
main{max-width:1000px;margin:auto;padding:0 12px}
#drop{border:2px dashed #8a5cff;border-radius:12px;padding:18px;text-align:center;background:#12062299}#drop.over{background:#3a1466}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:12px 0}
select,input[type=number]{background:#1a0833;color:#eee;border:1px solid #8a5cff;border-radius:6px;padding:6px}#list{width:100%}input[type=number]{width:70px}
.btn{cursor:pointer;padding:9px 16px;border-radius:8px;border:1px solid #ffd76a;background:#1a0833;color:#ffd76a;font-size:15px}
canvas{width:100%;height:320px;background:#0b0418;border:1px solid #4b2a85;border-radius:10px;display:block}
footer{text-align:center;padding:24px;opacity:.8}