:root { color-scheme: light; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #20332e; background: #f3f6f4; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.gate { width: min(100%, 440px); padding: 32px; border: 1px solid #d9e4dd; border-radius: 18px; background: white; box-shadow: 0 12px 50px #19392b0a; }
.brand { color: #287357; font-weight: 700; }
h1 { font-size: 26px; margin: 24px 0 12px; }
p { line-height: 1.7; font-size: 14px; color: #52655c; }
label { display: block; margin: 24px 0 8px; font-size: 14px; }
input { width: 100%; min-height: 46px; border: 1px solid #b5c9bd; border-radius: 8px; padding: 10px 12px; font-size: 16px; }
input:focus { outline: 2px solid #287357; outline-offset: 2px; }
button { width: 100%; margin-top: 14px; min-height: 44px; border: none; border-radius: 8px; background: #236c50; color: white; font-size: 15px; cursor: pointer; }
button:disabled { cursor: wait; opacity: .7; }
#status { min-height: 24px; margin: 12px 0 0; color: #9c3831; }
.note { margin: 16px 0 0; font-size: 12px; }
.password-field { display: flex; gap: 8px; align-items: center; }
.password-field input { min-width: 0; }
.password-field button { flex: 0 0 auto; width: auto; margin: 0; padding: 0 12px; background: #edf3ef; color: #236c50; }
@media (max-width: 420px) { body { padding: 16px; } .gate { padding: 24px; } }