:root { color-scheme: dark; --bg: #0d0d12; --card: #17171f; --line: #2a2a36; --text: #ececf1; --muted: #9a9aab; --accent: #e5484d; --ok: #46c37b; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(1200px 600px at 50% -10%, #2a1418, var(--bg)); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.card { width: min(480px, 100%); background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px; box-shadow: 0 20px 60px #0008; }
.logo { font-weight: 800; letter-spacing: .5px; color: var(--accent); font-size: 20px; margin-bottom: 18px; }
.eyebrow { margin: 0; color: var(--muted); font-size: 14px; }
h1 { margin: 4px 0 6px; font-size: 26px; line-height: 1.2; }
.code { margin: 0 0 22px; color: var(--muted); }
.code strong { color: var(--text); letter-spacing: 2px; }
.btn { display: block; text-align: center; background: var(--accent); color: #fff; text-decoration: none; font-weight: 700; padding: 14px 18px; border-radius: 12px; margin: 14px 0; }
.hint { color: var(--muted); font-size: 14px; }
.hint a { color: var(--text); }
.warn { color: #ffb4b4; }
.ok { color: var(--ok); font-weight: 600; }
.steps { color: var(--muted); font-size: 14px; padding-left: 20px; }
code { background: #0006; padding: 1px 6px; border-radius: 6px; }