body {
  font-family: Roboto, sans-serif;
  background-color: #f3f4f6;
  margin: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
}

header h1 {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav {
  display: flex;
  align-items: center;
}

.lang-link {
  color: #3b82f6;
  margin-right: 1rem;
  text-decoration: none;
}

.lang-link.active {
  font-weight: bold;
}

.login-link, .signup-link {
  color: #3b82f6;
  margin-right: 1rem;
  text-decoration: none;
}

.signup-link {
  background-color: #3b82f6;
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
}

.hero h2 {
  font-size: 2.25rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  color: #4b5563;
  margin-bottom: 2rem;
}

.btn {
  background-color: #3b82f6;
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  text-decoration: none;
}

.hero img {
  max-width: 100%;
  margin-top: 2rem;
}

.features {
  background-color: #ffffff;
  padding: 4rem 1rem;
}

.features h3 {
  font-size: 1.875rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.feature-grid div {
  text-align: center;
}

.feature-grid h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-grid p {
  color: #4b5563;
}

footer {
  background-color: #1f2937;
  color: #ffffff;
  padding: 2rem 1rem;
  text-align: center;
}

.footer-links a {
  color: #9ca3af;
  margin: 0 1rem;
  text-decoration: none;
}

.auth {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 8rem);
}

.auth-form {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 24rem;
}

.auth-form h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.auth-form input {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.25rem;
}

.auth-form label {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.auth-form button {
  width: 100%;
  background-color: #3b82f6;
  color: #ffffff;
  padding: 0.5rem;
  border-radius: 0.25rem;
  border: none;
}

.auth-form .error {
  color: #ef4444;
  margin-bottom: 1rem;
}

.auth-form p {
  margin-top: 1rem;
}

.auth-form a {
  color: #3b82f6;
}

.editor {
  padding: 4rem 1rem;
}

.editor h1, .editor h2, .editor h3, .editor h4 {
  font-weight: bold;
  margin-bottom: 1rem;
}

.editor-form {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.editor-form label {
  display: block;
  margin-bottom: 0.5rem;
}

.editor-form input, .editor-form select {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.25rem;
}

.editor-form button {
  background-color: #3b82f6;
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  border: none;
}

.project-list {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.project-list li {
  background-color: #ffffff;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview {
  max-width: 100%;
  margin: 1rem 0;
}

.logout {
  background-color: #ef4444;
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  text-decoration: none;
}

.success {
  color: #10b981;
  margin-bottom: 1rem;
}