.signup-page {
  max-width: 440px;
  margin: 60px auto;
  background: #ffffff;
  padding: 40px 50px;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
  font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: #333;
}

.signup-title {
  text-align: center;
  font-size: 28px;
  font-weight: 600;
  color: #2d3e50;
  margin-bottom: 25px;
}

.signup-error-box {
  background-color: #fdecec;
  border: 1px solid #f5b5b5;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
  color: #721c24;
}

.signup-error-box h4 {
  margin-top: 0;
  font-weight: 600;
  font-size: 16px;
}

.signup-error-box ul {
  margin: 10px 0 0 20px;
}

.signup-field {
  margin-bottom: 18px;
}

.signup-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #495057;
}

.signup-input {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid #ccd3da;
  border-radius: 6px;
  background-color: #fdfdfd;
  transition: all 0.2s ease;
}

.signup-input:focus {
  border-color: #2a74ff;
  box-shadow: 0 0 0 3px rgba(42, 116, 255, 0.15);
  outline: none;
}