:root { color-scheme: light dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; color: #213547; background: #f6f6f7; font-size: 16px; -webkit-font-smoothing: antialiased; }
.auth-page { display: grid; min-height: 100vh; place-items: center; padding: 1.5rem; }
.auth-card { width: min(100%, 32rem); padding: 2.25rem; border: 1px solid #d9dfe8; border-radius: 12px; background: #fff; box-shadow: 0 12px 35px rgba(32, 42, 58, .08); }
.auth-eyebrow { margin: 0 0 .625rem; color: #3451b2; font-size: .78rem; font-weight: 700; letter-spacing: .055em; text-transform: uppercase; }
h1 { margin: 0; color: #213547; font-size: clamp(1.6rem, 4vw, 1.9rem); line-height: 1.22; letter-spacing: -.015em; }
p { margin: .875rem 0 0; color: #596579; line-height: 1.65; }
.auth-button, .local-login button { display: inline-flex; min-height: 2.75rem; align-items: center; justify-content: center; margin-top: 1.25rem; border: 1px solid #3451b2; border-radius: 8px; padding: .7rem 1.05rem; color: #fff; background: #3451b2; font: inherit; font-weight: 700; line-height: 1.2; text-decoration: none; cursor: pointer; transition: background-color .15s ease, border-color .15s ease; }
.auth-button:hover, .local-login button:hover { border-color: #29439a; background: #29439a; }
.auth-button:focus-visible, .local-login button:focus-visible, .auth-link:focus-visible, .local-login input:focus-visible { outline: 3px solid rgba(52, 81, 178, .25); outline-offset: 2px; }
.auth-link { display: inline-block; margin-top: 1rem; color: #3451b2; font-weight: 600; text-underline-offset: 3px; }
.local-login { display: grid; gap: .6rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid #d9dfe8; }
.local-login label { display: grid; gap: .4rem; font-size: .875rem; font-weight: 600; }
.local-login input { width: 100%; border: 1px solid #c9d0dc; border-radius: 7px; padding: .7rem .75rem; color: #213547; background: #fff; font: inherit; }
.local-login button { width: fit-content; margin-top: .25rem; }
@media (max-width: 480px) { .auth-card { padding: 1.5rem; } .auth-button { width: 100%; } }
@media (prefers-color-scheme: dark) { body { color: #e8eaf0; background: #161618; } .auth-card { border-color: #3c3f44; background: #202127; box-shadow: none; } h1 { color: #f1f1f3; } p { color: #b8bac1; } .local-login { border-color: #3c3f44; } .local-login input { border-color: #4b4e55; color: #e8eaf0; background: #161618; } }