* { box-sizing: border-box; }
:root { color-scheme: light; --blue: #1a73e8; --ink: #20344d; }
body { margin: 0; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; padding: 24px; color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: radial-gradient(ellipse at 15% 15%, #dcecff 0, transparent 50%), linear-gradient(145deg, #f6f9fc, #eaf0f7); }
.login-card { width: min(100%, 420px); padding: 40px; background: #fff; border: 1px solid #dce5f0; border-radius: 14px; box-shadow: 0 18px 55px #20344d12; }
.eyebrow { color: var(--blue); font-size: 14px; margin: 0 0 20px; font-weight: 600; }
h1 { font-size: 27px; letter-spacing: -.5px; margin: 0 0 12px; }
.intro { color: #66778b; font-size: 14px; line-height: 1.7; margin: 0 0 30px; }
label { display: block; font-size: 14px; margin: 18px 0 8px; }
input { width: 100%; border: 1px solid #cbd6e4; border-radius: 6px; padding: 12px 13px; font: inherit; color: var(--ink); background: #fbfcfe; }
input:focus-visible, button:focus-visible { outline: 3px solid #b9d7ff; outline-offset: 2px; border-color: var(--blue); }
button { width: 100%; padding: 13px; border: 0; border-radius: 6px; background: var(--blue); color: white; font: inherit; font-weight: 600; cursor: pointer; }
button:hover { background: #1557b0; }
button:disabled { opacity: .65; cursor: wait; }
#loginError { color: #b42318; font-size: 13px; line-height: 1.5; min-height: 20px; margin: 12px 0; }
.footnote { font-size: 12px; color: #7c8897; text-align: center; margin: 24px 0 0; }
@media (max-width: 480px) { .login-card { padding: 30px 24px; } }