* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #1e2127;
  color: #abb2bf;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-container {
  width: 100%;
  max-width: 900px;
}

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

.auth-header h1 {
  color: #abb2bf;
  font-size: 2rem;
  margin: 0 0 0.5rem 0;
  font-weight: 600;
}

.auth-header p {
  color: #5c6370;
  margin: 0;
  font-size: 0.95rem;
}

.error-message {
  background: #3e2a2a;
  border: 1px solid #e06c75;
  color: #e06c75;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 2rem;
  text-align: center;
}

.forms-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-panel {
  background: #282c34;
  border: 1px solid #3e4451;
  border-radius: 8px;
  padding: 2rem;
}

.form-panel h2 {
  color: #abb2bf;
  font-size: 1.5rem;
  margin: 0 0 1.5rem 0;
  font-weight: 600;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  color: #abb2bf;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-group input[type='text'],
.form-group input[type='password'] {
  width: 100%;
  background: #21252b;
  border: 1px solid #3e4451;
  color: #abb2bf;
  padding: 0.75rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  outline: none;
  transition:
    border-color 0.2s,
    background-color 0.2s;
}

.form-group input[type='text']:focus,
.form-group input[type='password']:focus {
  background: #282c34;
  border-color: #528bff;
}

.form-group input[type='text']::placeholder,
.form-group input[type='password']::placeholder {
  color: #5c6370;
}

.form-group input:invalid:not(:placeholder-shown) {
  border-color: #e06c75;
}

.btn-submit {
  width: 100%;
  padding: 0.75rem 1rem;
  background: #4caf50;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-submit:hover {
  background: #45a049;
}

.btn-submit:active {
  background: #3d8b40;
}

/* Responsive layout - stack forms on mobile */
@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  .forms-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .form-panel {
    padding: 1.5rem;
  }

  .auth-header h1 {
    font-size: 1.5rem;
  }
}