:root { color-scheme: light; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #1c2a22; background: #f3f5f0; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 80% 15%, #dce8d7 0, transparent 28%), #f3f5f0; }
.login-shell { width: min(100%, 430px); }
.login-brand { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 26px; }
.login-brand strong, .login-brand small { display: block; }
.login-brand strong { font-size: 23px; }
.login-brand small { margin-top: 1px; color: #5c8e43; font-size: 10px; letter-spacing: 2.4px; }
.official-brand-mark { position: relative; flex: 0 0 56px; width: 56px; height: 56px; overflow: hidden; border-radius: 14px; background: #fff; box-shadow: 0 8px 24px rgba(31, 51, 38, .16); }
.official-brand-mark img { position: absolute; width: 182px; max-width: none; height: auto; left: 50%; top: 50%; transform: translate(-50%, -41%); }
.login-card { padding: 34px; border: 1px solid #dce2d9; border-radius: 22px; background: white; box-shadow: 0 22px 60px rgba(31, 51, 38, .12); }
.eyebrow { margin: 0 0 10px; color: #609442; font-size: 11px; font-weight: 800; letter-spacing: 1.8px; }
h1 { margin: 0; font-size: 28px; }
.intro { margin: 10px 0 25px; color: #718078; font-size: 14px; line-height: 1.55; }
form { display: grid; gap: 16px; }
label { color: #34463b; font-size: 12px; font-weight: 750; }
input { width: 100%; height: 48px; margin-top: 7px; padding: 0 14px; border: 1px solid #d7ded4; border-radius: 11px; outline: none; background: #f8faf7; color: #17231c; font: inherit; font-size: 14px; }
input:focus { border-color: #79b950; box-shadow: 0 0 0 3px rgba(121, 185, 80, .14); }
button { height: 49px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border: 0; border-radius: 11px; background: #a8e875; color: #17231c; font: inherit; font-size: 14px; font-weight: 850; cursor: pointer; }
button:disabled { cursor: wait; opacity: .7; }
.login-error { margin: 0; padding: 10px 12px; border-radius: 9px; background: #fff0ed; color: #a23b2c; font-size: 12px; line-height: 1.4; }
.security-note { display: block; margin-top: 20px; color: #809087; font-size: 10px; line-height: 1.5; text-align: center; }
@media (max-width: 520px) { body { padding: 16px; } .login-card { padding: 26px 22px; } }