:root{color:#171a21;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}button{font:inherit}.auth-page{display:grid;min-height:100vh;min-height:100dvh;padding:max(24px,env(safe-area-inset-top)) 24px max(24px,env(safe-area-inset-bottom));place-items:center;background:radial-gradient(circle at 85% 10%,rgba(29,64,176,.08),transparent 32%),#fff}.auth-card{width:min(100%,420px);text-align:center}.brand-mark{display:block;width:58px;height:58px;margin:0 auto;border:1px solid #edf0f5;border-radius:18px;object-fit:cover;background:#fff;box-shadow:0 14px 34px #1d40b029}.eyebrow{margin:28px 0 0;color:#1d40b0;font-size:12px;font-weight:750;letter-spacing:.18em}h1{margin:14px 0 0;color:#111318;font-size:clamp(25px,7vw,34px);line-height:1.24}.spinner{width:28px;height:28px;margin:34px auto 0;border:3px solid #e2e7f7;border-top-color:#1d40b0;border-radius:50%;animation:spin .8s linear infinite}.muted,.error-copy{margin:18px auto 0;color:#747c8b;font-size:14px;line-height:1.65}.error-copy{max-width:340px;color:#5f6673}button{width:100%;height:52px;margin-top:32px;border:0;border-radius:14px;background:#1d40b0;color:#fff;font-size:16px;font-weight:700}button:active{background:#17358f}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation:none;border-color:#1d40b0}}