html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.auth-container {
    max-width: 480px;
    margin: 4rem auto;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    padding: 2rem;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2563eb;
}

.auth-btn {
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-weight: 600;
    background: #2563eb;
    color: #fff;
    border: none;
    transition: all 0.2s ease;
}

    .auth-btn:hover {
        background: #1d4ed8;
        transform: translateY(-2px);
    }