:root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1c2922;
  background: #edf2ee;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
button, input { font: inherit; }
body { background: #edf2ee; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-panel { width: min(360px, 100%); padding: 30px; border: 1px solid #d4dfd7; border-radius: 7px; background: #fff; box-shadow: 0 18px 48px rgba(24, 40, 30, .12); }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #6da383; border-radius: 6px; color: #2f8b57; background: #e5f3e9; font-size: 23px; }
.login-heading { margin: 22px 0 24px; }
.login-heading span { color: #2f8b57; font-size: 11px; font-weight: 750; }
.login-heading h1 { margin: 6px 0 0; font-size: 21px; line-height: 1.3; }
label { display: grid; gap: 8px; color: #718078; font-size: 12px; }
input { width: 100%; height: 42px; padding: 0 11px; border: 1px solid #dbe4de; border-radius: 4px; outline: 0; color: #1c2922; background: #fff; }
input:focus { border-color: #2f8b57; box-shadow: 0 0 0 3px rgba(47, 139, 87, .12); }
button { width: 100%; height: 42px; margin-top: 18px; border: 1px solid #2f8b57; border-radius: 5px; color: #fff; background: #2f8b57; font-weight: 650; cursor: pointer; }
button:hover:not(:disabled) { background: #216b40; }
button:disabled { cursor: wait; opacity: .55; }
#login-error { margin: 10px 0 -6px; padding: 9px 10px; border-radius: 4px; color: #9c343d; background: #fbeaec; font-size: 12px; }
#login-error[hidden] { display: none; }