:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #173f5d;
  background: #f3f1e9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 10%, rgba(147, 161, 72, .22), transparent 33rem),
    linear-gradient(145deg, #f8f7f2, #e8eee9);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 430px);
  background: rgba(255, 255, 255, .97);
  border: 1px solid #dbe2dd;
  border-radius: 22px;
  padding: 36px;
  box-shadow: 0 24px 70px rgba(22, 57, 79, .16);
}

.login-logo {
  display: block;
  width: 150px;
  height: auto;
  margin: 0 auto 28px;
}

.login-kicker {
  margin: 0 0 8px;
  color: #8b9e3f;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  font-weight: 500;
  color: #112f43;
}

.login-intro {
  margin: 10px 0 25px;
  color: #61716b;
  line-height: 1.55;
}

form { display: grid; gap: 17px; }

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
  color: #304c5c;
}

input {
  width: 100%;
  min-height: 47px;
  border: 1px solid #cad6d0;
  border-radius: 10px;
  padding: 10px 13px;
  font: inherit;
  color: #132f41;
  background: #fff;
  outline: none;
}

input:focus {
  border-color: #2b6a94;
  box-shadow: 0 0 0 3px rgba(43, 106, 148, .13);
}

button {
  min-height: 48px;
  border: 0;
  border-radius: 10px;
  padding: 11px 18px;
  color: #fff;
  background: #1e5f88;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:hover { background: #174c6d; }
button:disabled { cursor: wait; opacity: .65; }

.password-help {
  margin: -7px 0 0;
  color: #6c7872;
  font-size: 12px;
  line-height: 1.45;
}

.auth-error {
  margin: 19px 0 0;
  border: 1px solid #e4b5aa;
  border-radius: 9px;
  padding: 11px 13px;
  color: #8e3428;
  background: #fff1ed;
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 520px) {
  .login-card { padding: 28px 22px; border-radius: 16px; }
  h1 { font-size: 27px; }
}