/* Styles de la page d'inscription */
.register-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
  color: #374151;
}

.form-group input,
.form-group select {
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.2s ease-in-out;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group input.invalid,
.form-group select.invalid {
  border-color: #dc3545;
  background: #fff5f5;
}

.error-message {
  color: #dc3545;
  font-size: 0.875rem;
  display: none;
  margin-top: 0.25rem;
}

.error-message.show {
  display: block;
}

/* Breakpoint 600px - Phablets */
@media (max-width: 600px) {
  .register-form {
    gap: 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .form-group {
    gap: 0.375rem;
  }

  .form-group label {
    font-size: 0.95rem;
    margin-right: auto;
  }

  .form-group input,
  .form-group select {
    padding: 0.65rem 0.9rem;
    font-size: 0.95rem;
  }

  .error-message {
    font-size: 0.8rem;
  }
}

/* Breakpoint 768px - Tablettes petites */
@media (max-width: 768px) and (min-width: 601px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .form-group {
    gap: 0.5rem;
  }

  .form-group input,
  .form-group select {
    padding: 0.7rem 0.95rem;
    font-size: 0.975rem;
  }
}

/* Breakpoint 820px - iPad Air */
@media (max-width: 820px) and (min-width: 769px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.125rem;
  }

  .form-group input,
  .form-group select {
    padding: 0.75rem 1rem;
  }
}

/* Breakpoint 480px - Très petits mobiles */
@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .form-group {
    gap: 0.325rem;
  }

  .form-group label {
    font-size: 0.9rem;
  }

  .form-group input,
  .form-group select {
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
  }

  .error-message {
    font-size: 0.75rem;
  }
}