:root{--ac:#1F5A3A;--ac2:#2E8B57;--bg:#F3F6F3;--card:#fff;--line:#E4EAE5;--tx:#17201B;--tx2:#5C6B62;--bad:#C0392B;--badp:#FBE9E7;--ok:#2E8B57;--okp:#E8F3EC;--warn:#D98E0B;--warnp:#FDF3E0}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--tx);min-height:100vh;display:grid;place-items:center;padding:16px}
.box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:36px 32px;width:100%;max-width:400px;box-shadow:0 12px 40px -12px rgba(20,40,28,.25);display:flex;flex-direction:column;gap:14px;animation:in .5s cubic-bezier(.22,.8,.32,1)}
.box.wide{max-width:560px}
@keyframes in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.logo{height:56px;object-fit:contain;align-self:flex-start}
h1{font-size:20px;font-weight:700;letter-spacing:-.02em}
h2{font-size:14px;font-weight:700;margin-top:10px}
p,li{font-size:13px;color:var(--tx2);line-height:1.5}
ol{padding-left:18px;display:flex;flex-direction:column;gap:4px}
label{font-size:12px;font-weight:600;color:var(--tx2);display:flex;flex-direction:column;gap:6px}
input{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:12px;outline:none;width:100%;transition:border-color .2s,box-shadow .2s;color:var(--tx)}
input:focus{border-color:var(--ac2);box-shadow:0 0 0 3px rgba(46,139,87,.15)}
input.code{font-size:22px;letter-spacing:.3em;text-align:center;font-variant-numeric:tabular-nums}
button,.btn{font:inherit;font-weight:600;padding:12px 16px;border:0;border-radius:12px;background:linear-gradient(135deg,#1F5A3A,#15402A);color:#fff;cursor:pointer;text-decoration:none;text-align:center;display:inline-block}
button:hover,.btn:hover{filter:brightness(1.08)}
.btn.light{background:var(--okp);color:var(--ac)}
.btn.danger{background:var(--badp);color:var(--bad)}
.err{background:var(--badp);color:var(--bad);border-radius:10px;padding:10px 12px;font-size:13px;font-weight:500}
.ok{background:var(--okp);color:var(--ac);border-radius:10px;padding:10px 12px;font-size:13px;font-weight:500}
.warn{background:var(--warnp);color:#8a5a06;border-radius:10px;padding:10px 12px;font-size:13px;font-weight:500}
.qr{display:flex;justify-content:center;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px}
.qr svg{width:220px;height:220px}
.secret{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:var(--bg);border-radius:10px;padding:10px 12px;word-break:break-all;text-align:center}
.codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px}
.codes span{background:var(--bg);border-radius:10px;padding:10px;text-align:center;letter-spacing:.05em}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sep{height:1px;background:var(--line);margin:8px 0}
.small{font-size:12px}
a{color:var(--ac)}
form{display:flex;flex-direction:column;gap:12px}