:root {
  --color-primary: #12662F;
  --color-secondary: #F2F2F2;
  --color-text: #333333;
  --color-accent: #F4F4F4;
  --color-success: #398F2F;
  --color-highlight: #82C126;
  --color-darkgreen: #137434;
  --color-border: #D9D9D9;
  --color-disabled: #BABABA;

  --font-primary: "Open Sans", sans-serif;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-secondary);
  color: var(--color-text);
  margin: 0;
  padding: 0;
}

.login-container {
  max-width: 400px;
  margin: 5% auto;
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.login-logo img {
  display: block;
  margin: 0 auto 20px;
  max-width: 280px;
}

h4 {
  color: var(--color-darkgreen);
  font-weight: bold;
  text-align: center;
}

.form-label {
  font-weight: 600;
  color: var(--color-text);
}

.form-control {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: none;
}

.form-control:focus {
  border-color: var(--color-darkgreen);
  box-shadow: 0 0 0 0.2rem rgba(19, 116, 52, 0.25);
}

.form-check-label {
  color: var(--color-text);
}

.btn-primary {
  background-color: var(--color-darkgreen);
  border-color: var(--color-darkgreen);
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.btn-primary:active {
  background-color: var(--color-highlight);
  border-color: var(--color-highlight);
}

.form-help {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--color-darkgreen);
}

.form-help a {
  color: var(--color-darkgreen);
  text-decoration: none;
}

.form-help a:hover {
  text-decoration: underline;
}