:root { color-scheme: light dark; font-family: system-ui, sans-serif; color: #253c30; background: #f2f4ee; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
main { width: min(100%, 420px); padding: clamp(24px, 6vw, 44px); background: #fff; border: 1px solid #d8e0d5; border-radius: 20px; box-shadow: 0 16px 60px #253c3010; }
.brand { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 15px; background: #356c50; color: white; font-size: 32px; font-weight: 800; }
.eyebrow { font-size: 11px; letter-spacing: .2em; margin-top: 28px; }
h1 { font-family: Georgia, serif; font-size: 32px; font-weight: 400; }
p { line-height: 1.6; }
form { display: grid; gap: 10px; margin-top: 26px; }
label { font-size: 14px; margin-top: 8px; }
input, button { font: inherit; width: 100%; min-height: 46px; padding: 10px 12px; border-radius: 8px; }
input { background: transparent; color: inherit; border: 1px solid #9cae9e; }
button { margin-top: 14px; background: #356c50; color: white; border: 0; cursor: pointer; font-weight: 600; }
button:disabled { opacity: .6; cursor: wait; }
:focus-visible { outline: 3px solid #8ebf9e; outline-offset: 3px; }
#login-error { color: #a13535; font-size: 14px; }
@media (prefers-color-scheme: dark) {
  :root { color: #e6eddf; background: #141d17; }
  main { background: #1e2a22; border-color: #354c3d; }
  #login-error { color: #ffa8a8; }
}