:root { color-scheme: dark; font-family: "Segoe UI", Inter, Arial, sans-serif; color: #f3f5f7; background: #090a0c; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
header { padding: 28px max(24px, calc((100vw - 520px) / 2)); border-bottom: 1px solid #292d32; }
header b { display: block; letter-spacing: .17em; font-size: 16px; }
header b span { color: #9da5af; }
header small { display: block; color: #9da5af; letter-spacing: .19em; font-size: 10px; margin-top: 4px; }
main { width: min(100%, 520px); margin: auto; padding: 42px 24px 70px; }
.eyebrow { color: #a0a7b1; font-size: 11px; font-weight: 700; letter-spacing: .18em; }
h1 { font-size: clamp(30px, 7vw, 44px); line-height: 1.08; letter-spacing: -.04em; margin: 10px 0 18px; }
p { color: #abb2bc; line-height: 1.55; }
form { margin: 30px 0 22px; padding: 24px; background: #17191d; border: 1px solid #383d45; border-radius: 14px; }
label { display: block; font-size: 13px; font-weight: 650; margin-bottom: 9px; }
input { display: block; width: 100%; min-height: 48px; border-radius: 8px; border: 1px solid #59616d; padding: 11px 13px; color: #fff; background: #0f1114; font: inherit; }
button { width: 100%; min-height: 48px; margin-top: 17px; border: 0; border-radius: 8px; background: linear-gradient(125deg, #f6f7f8, #c6cdd6); color: #101216; font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
button:focus-visible, input:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
#login-status { min-height: 20px; margin-top: 14px; color: #f0b8b8; font-size: 13px; }
.hint { font-size: 13px; }
footer { margin-top: auto; padding: 18px 24px; border-top: 1px solid #292d32; color: #9ca4ae; text-align: center; font-size: 11px; }