:root { --bg: #0b0b0f; --card: #16161d; --line: #2a2a35; --fg: #f4f4f5; --fg2: #a1a1aa; --grad: linear-gradient(135deg, #f97316, #ef4444); }
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 520px; margin: 0 auto; padding: 32px 16px 60px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; }
.logo { width: 30px; height: 30px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; }
.pro { font-size: 10px; font-weight: 800; padding: 2px 6px; border-radius: 6px; background: var(--grad); }
h1 { font-size: 28px; margin: 22px 0 4px; letter-spacing: -.01em; }
.sub { color: var(--fg2); margin: 0 0 16px; }
.sub b { color: var(--fg); }
.feat { margin: 0 0 18px; padding-left: 20px; color: var(--fg2); font-size: 14px; }
.feat li { margin: 4px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--fg2); }
label small { color: #71717a; }
input, textarea { background: #0f0f14; border: 1px solid var(--line); color: var(--fg); padding: 11px 12px; border-radius: 10px; font: inherit; width: 100%; }
input:focus, textarea:focus { outline: none; border-color: #f97316; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chk { flex-direction: row; align-items: flex-start; gap: 8px; }
.chk input { width: auto; margin-top: 3px; }
a { color: #fb923c; }
.btn { border: 0; border-radius: 12px; padding: 14px; font: 800 15px inherit; font-family: inherit; color: #fff; background: var(--grad); cursor: pointer; }
.btn:disabled { opacity: .6; cursor: default; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--fg2); }
.msg { min-height: 18px; font-size: 13px; color: var(--fg2); }
.msg.err { color: #f87171; } .msg.ok { color: #4ade80; }
.fine { font-size: 12px; color: var(--fg2); margin: 0; }
.key { font: 700 24px ui-monospace, Menlo, monospace; letter-spacing: 1px; text-align: center; padding: 16px; border: 1px dashed #f97316; border-radius: 12px; }
.foot { text-align: center; font-size: 12.5px; color: var(--fg2); margin-top: 18px; }
.doc h2 { font-size: 17px; margin: 22px 0 6px; }
.doc p, .doc li { color: var(--fg2); font-size: 14px; }
.warn { font-size: 12.5px; padding: 10px 12px; border-radius: 10px; border: 1px dashed #facc15; color: #facc15; }
@media (max-width: 480px) { .row2 { grid-template-columns: 1fr; } }
[hidden] { display: none !important; }