:root{color-scheme:dark;font-family:system-ui,"Segoe UI",sans-serif;color:#e1e5e9;background:#101316}
*{box-sizing:border-box}body{margin:0;padding:30px 16px;background:linear-gradient(150deg,#2b333c 0,#101316 45%);min-height:100vh}
main{max-width:790px;margin:auto;padding:30px;border:1px solid #68798f;border-top:2px solid #aab4c1;background:#15181d;box-shadow:0 12px 60px #0006;border-radius:8px}
.brand{font:12px monospace;letter-spacing:2px;color:#929fb0}h1{font-size:clamp(25px,5vw,36px);font-weight:600;margin:15px 0 24px}.panel{border:1px solid #505e6f;background:#22282f;padding:18px}.panel p{margin-bottom:0}
p{line-height:1.6;color:#bac2cd}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:25px 0}label{font-size:14px;color:#d5dae1}input{display:block;width:100%;font:inherit;color:#f0f2f4;background:#0e1114;border:1px solid #5e6e82;border-radius:2px;padding:12px;margin-top:7px;min-width:0}input:focus{outline:2px solid #bfc7d1;outline-offset:2px}.notice{font-size:13px;border-left:2px solid #8897a9;padding-left:14px}.check{display:block;line-height:1.6;margin:22px 0}.check input{display:inline-block;width:auto;margin:0 8px 0 0}a{color:#d5dae0;text-underline-offset:3px}button{width:100%;padding:15px;border:1px solid #ced4db;background:#323b45;color:#f0f2f4;font:600 16px system-ui;cursor:pointer}button:hover,button:focus{background:#414c5a;outline:2px solid #ced4db}footer{margin-top:30px;border-top:1px solid #414c5a;padding-top:12px;font-size:13px;color:#97a3b4}footer p{margin:0 0 7px}
@media(max-width:540px){body{padding:12px 8px}main{padding:22px 16px}.fields{grid-template-columns:1fr;gap:15px}}