.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}

.login-card {
  background: white;
  border-radius: 28px;
  padding: 2.5rem;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  border: 1px solid #eef2f6;
}

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

.login-header i {
  font-size: 3rem;
  color: #2563eb;
  background: #e8effe;
  padding: 1rem;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.login-header h2 {
  color: #0b1e33;
  font-weight: 600;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: #1e2a3a;
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #d0d8e3;
  border-radius: 12px;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.login-btn {
  width: 100%;
  padding: 0.8rem;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.login-btn:hover:not(:disabled) {
  background: #1d4ed8;
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.toggle-auth {
  text-align: center;
  margin-top: 1.5rem;
}

.toggle-auth button {
  background: none;
  border: none;
  color: #2563eb;
  cursor: pointer;
  font-size: 0.9rem;
}

.toggle-auth button:hover {
  text-decoration: underline;
}

.error-message {
  background: #fee2e2;
  color: #dc2626;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}