:root { --bg: #08090a; --panel: #0f1011; --panel-2: #141517; --line: rgba(255,255,255,.08); --line-2: rgba(255,255,255,.14); --fg: #f7f8f8; --fg-2: #d0d6e0; --muted: #8a8f98; --faint: #62666d; --lime: #c8ff3d; --ink: #0a0c05; --red: #ff5c5c;
  --f-display: 'SW Display', system-ui, -apple-system, 'Segoe UI', sans-serif; --f-text: 'SW Text', system-ui, -apple-system, 'Segoe UI', sans-serif; --f-mono: 'SW Mono', ui-monospace, Menlo, monospace; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--fg); font-family: var(--f-text); -webkit-font-smoothing: antialiased; color-scheme: dark; }
body { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); position: relative; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(55% 60% at 20% 0%, rgba(200,255,61,.12), transparent 70%), radial-gradient(40% 50% at 100% 100%, rgba(77,163,255,.10), transparent 70%); }
[hidden] { display: none !important; }
.side { position: relative; padding: clamp(28px, 5vw, 64px); display: flex; flex-direction: column; justify-content: space-between; gap: 40px; border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--f-display); font-weight: 600; font-size: 17px; letter-spacing: -.03em; }
.brand img { width: 34px; height: 34px; }
.kicker { font-family: var(--f-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.kicker span { background: var(--lime); color: var(--ink); border-radius: 6px; padding: 1px 6px; font-weight: 700; }
h1 { margin: 18px 0 0; font-family: var(--f-display); font-weight: 600; font-size: clamp(36px, 5vw, 72px); line-height: .98; letter-spacing: -.045em; }
h1 em { font-style: normal; color: var(--lime); }
.art { width: 100%; max-width: 560px; height: auto; display: block; }
.foot { font-family: var(--f-mono); font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: .02em; }
.main { position: relative; display: grid; place-items: center; padding: clamp(24px, 5vw, 64px); }
.card { width: min(420px, 100%); display: grid; gap: 18px; padding: 32px; border-radius: 22px; background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0) 140px), var(--panel); border: 1px solid var(--line); box-shadow: 0 40px 100px -40px rgba(0,0,0,.9); }
.card h2 { margin: 0; font-family: var(--f-display); font-weight: 600; font-size: 26px; letter-spacing: -.04em; }
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.card p b { color: var(--fg); font-weight: 600; }
label { display: grid; gap: 6px; font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .02em; color: var(--muted); }
input { font: inherit; font-family: var(--f-text); font-size: 16px; text-transform: none; letter-spacing: normal; color: var(--fg); background: rgba(255,255,255,.04); border: 1px solid var(--line-2); border-radius: 12px; padding: 13px 14px; outline: none; width: 100%; transition: border-color .15s; }
input:focus { border-color: rgba(200,255,61,.75); }
input.code { font-family: var(--f-mono); font-size: 26px; letter-spacing: .4em; text-align: center; padding: 12px; }
button { font: inherit; font-size: 15px; font-weight: 600; border-radius: 12px; padding: 13px 16px; cursor: pointer; border: 1px solid var(--lime); background: var(--lime); color: var(--ink); transition: filter .15s, opacity .15s; }
button:hover { filter: brightness(1.05); }
button:disabled { opacity: .55; cursor: progress; }
button.ghost { background: transparent; color: var(--fg-2); border-color: var(--line-2); font-weight: 500; font-size: 14px; padding: 10px 14px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.msg { font-size: 13px; min-height: 1.2em; color: var(--muted); }
.msg.err { color: var(--red); }
.msg.ok { color: var(--lime); }
@media (max-width: 860px) { body { grid-template-columns: 1fr; } .side { border-right: 0; border-bottom: 1px solid var(--line); gap: 18px; } .art { display: none; } h1 { font-size: 38px; } }
@media (prefers-reduced-motion: no-preference) { .card, .side > * { animation: rise .7s cubic-bezier(.2,.8,.2,1) both; } .side > *:nth-child(2) { animation-delay: .06s; } .card { animation-delay: .12s; } }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } }