*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0f4e8;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
}

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.login-header h1 {
  font-size: 1.3rem;
  color: #2d5016;
  font-weight: 600;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #4a8c1c;
  box-shadow: 0 0 0 3px rgba(74,140,28,0.15);
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 2.8rem;
}

.toggle-pw {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0.5;
  padding: 0.2rem;
}

.toggle-pw:hover { opacity: 0.8; }

.error {
  background: #fde8e8;
  color: #c0392b;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.btn-login {
  width: 100%;
  padding: 0.75rem;
  background: #4a8c1c;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-login:hover { background: #3d7516; }
.btn-login:disabled { background: #999; cursor: not-allowed; }

#totp-group input {
  letter-spacing: 0.3em;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 600;
}

@media (max-width: 480px) {
  .login-card { padding: 2rem 1.2rem; }
}