:root { color-scheme: light; font-family: "Segoe UI", Arial, sans-serif; color: #17201c; background: #f4f7f5; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(100%, 390px); padding: 30px; background: #fff; border: 1px solid #dfe6e2; border-radius: 12px; box-shadow: 0 8px 30px #1f332a14; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: #136c4b; color: #fff; font-weight: 800; }
h1 { font-size: 18px; margin: 20px 0 8px; }
p { color: #66736d; font-size: 14px; }
form { display: grid; gap: 10px; margin-top: 24px; }
label { font-size: 14px; font-weight: 600; }
input, button { font: inherit; min-height: 44px; border: 1px solid #b4c3bb; border-radius: 8px; padding: 10px 12px; width: 100%; }
input { margin-bottom: 8px; }
button { background: #136c4b; color: #fff; font-weight: 700; cursor: pointer; border: 0; }
button:disabled { opacity: .6; cursor: wait; }
:focus-visible { outline: 3px solid #4fb98a; outline-offset: 2px; }
#login-error { color: #a33a36; margin: 0; min-height: 20px; }