:root{--bg:#0b0e13;--card:#151a22;--line:#262d39;--txt:#e8ecf2;--mut:#8a94a6;--acc:#2f7df6;--ok:#27c4a8;--warn:#e0a030;--bad:#ef5b5b}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc)}
header.top{padding:28px 20px 8px;text-align:center}
header.top h1{margin:0;font-size:clamp(26px,5vw,40px);letter-spacing:.2px}
header.top p{margin:6px auto 0;max-width:640px;color:var(--mut)}
main{max-width:980px;margin:0 auto;padding:12px 16px 56px}
section{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:16px 0}
h2{margin:0 0 4px;font-size:20px}h3{margin:0 0 6px;font-size:16px}
.sub{color:var(--mut);margin:0 0 14px;font-size:14px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:12px 0}
.plan{position:relative;background:#10151c;border:2px solid var(--line);border-radius:12px;padding:14px 10px;text-align:center;cursor:pointer;color:var(--txt);font:inherit}
.plan:hover{border-color:#3a4658}.plan[aria-pressed=true]{border-color:var(--acc);background:#14233b}
.plan .m{font-size:15px;color:var(--mut)}.plan .p{font-size:30px;font-weight:700;margin:2px 0}
.plan .n{font-size:12px;color:var(--ok);min-height:16px}
label{display:block;font-weight:600;margin:14px 0 6px}
input[type=text],input[type=email]{width:100%;padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:#0f141b;color:var(--txt);font:inherit;font-size:17px}
input.code{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:1px;text-transform:uppercase}
input:focus{outline:2px solid var(--acc);border-color:transparent}
.hint{color:var(--mut);font-size:13px;margin-top:6px}
button.main,a.btn{display:inline-block;background:var(--acc);color:#fff;border:0;border-radius:10px;padding:14px 22px;font:inherit;font-weight:700;font-size:17px;cursor:pointer;text-decoration:none;text-align:center}
button.main:disabled{opacity:.45;cursor:not-allowed}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 16px;font:inherit;cursor:pointer}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:16px}
.msg{padding:12px 14px;border-radius:10px;margin:12px 0;font-size:15px;border:1px solid var(--line);background:#10151c}
.msg.err{border-color:var(--bad);color:#ffb4b4}.msg.warn{border-color:var(--warn);color:#ffd9a0}.msg.ok{border-color:var(--ok)}
.lic{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;word-break:break-all;background:#0f141b;border:1px solid var(--ok);border-radius:10px;padding:14px;user-select:all}
ol{padding-left:22px}li{margin:6px 0}
.dl{display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.dl dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:2px 14px}.dl dt{color:var(--mut)}.dl dd{margin:0}
footer{text-align:center;color:var(--mut);font-size:13px;padding:0 16px 32px}
.spin{display:inline-block;width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--acc);border-radius:50%;animation:s 1s linear infinite;vertical-align:-3px;margin-right:8px}
@keyframes s{to{transform:rotate(360deg)}}
@media(max-width:480px){section{padding:16px}.plan .p{font-size:26px}button.main,a.btn{width:100%}}