:root { color-scheme: dark; font-family: system-ui, sans-serif; background: #0b0b0e; color: #f4f2ed; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; padding: 24px; }
main { width: 100%; max-width: 520px; padding: 40px 28px; border: 1px solid #343439; border-radius: 24px; background: #141418; }
.brand { letter-spacing: .25em; font-size: 13px; color: #b9d6c9; }
h1 { font-size: clamp(30px, 7vw, 42px); line-height: 1.15; margin: 24px 0 16px; }
p { line-height: 1.65; color: #c9c9cf; }
strong { color: #f4f2ed; }
a { color: #bedfce; text-underline-offset: 4px; }
.button { display: block; text-align: center; padding: 15px 20px; margin: 28px 0; border-radius: 12px; background: #c2dfcf; color: #102119; text-decoration: none; font-weight: 650; }
a:focus-visible, summary:focus-visible { outline: 3px solid #e8c984; outline-offset: 5px; }
details { border-top: 1px solid #343439; padding-top: 20px; font-size: 14px; }
summary { cursor: pointer; line-height: 1.5; }
.footnote { font-size: 12px; margin-top: 32px; color: #a0a0ab; }
#auth-message:empty { display: none; }