:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; color: #223139; background: #f4f7f9; }
* { box-sizing: border-box; }
body { min-height: 100vh; min-height: 100svh; margin: 0; padding: 32px 20px; display: grid; place-items: center; background: radial-gradient(ellipse at 20% 10%, #e6f2ef 0, transparent 50%), radial-gradient(ellipse at 95% 95%, #e8edf8 0, transparent 50%); }
.auth-card { width: 100%; max-width: 460px; padding: 36px; border: 1px solid #dce5e9; border-radius: 20px; background: #fff; box-shadow: 0 16px 54px #293e4910; }
.brand { display: flex; gap: 9px; align-items: center; font-size: 11px; font-weight: 650; letter-spacing: 1.2px; white-space: nowrap; }
.brand > span:not(.brand-mark) { color: #bbc7cc; margin: 0 3px; }
.brand-mark { width: 17px; height: 17px; border: 5px solid #257c6f; border-radius: 50%; flex-shrink: 0; }
.key-mark { display: grid; place-items: center; width: 64px; height: 64px; margin: 45px 0 28px; border-radius: 17px; background: #eaf4f0; color: #257c6f; }
svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.eyebrow { font-size: 10px; letter-spacing: 1.8px; color: #71838c; font-weight: 600; }
h1 { margin: 10px 0 14px; font-size: 28px; font-weight: 600; letter-spacing: -.7px; }
.description { color: #66777e; font-size: 14px; line-height: 1.8; margin-bottom: 28px; }
button { width: 100%; min-height: 49px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border: 1px solid #257c6f; border-radius: 9px; color: white; background: #257c6f; font: inherit; font-size: 14px; font-weight: 550; cursor: pointer; }
button:hover { background: #206c61; }
button:disabled { opacity: .65; cursor: wait; }
button:focus-visible { outline: 3px solid #95c7bd; outline-offset: 3px; }
#auth-status { min-height: 22px; font-size: 13px; line-height: 1.7; color: #a14e3a; margin: 14px 0; overflow-wrap: anywhere; }
.device-note { font-size: 12px; color: #7b8990; line-height: 1.8; }
.auth-footer { display: flex; align-items: center; gap: 6px; border-top: 1px solid #e8eef0; margin-top: 29px; padding-top: 20px; font-size: 10px; color: #7b8990; }
.auth-footer > span:last-child { margin-left: auto; }
.status-dot { width: 5px; height: 5px; border-radius: 50%; background: #478b77; }
@media (max-width: 400px) { .auth-card { padding: 26px; } .brand { font-size: 9px; gap: 7px; } }