body {
  margin: 0;
  color-scheme: light;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #e6f7ff, #ffffff 40%, #3399ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

/* Контейнер */
.signup-container {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 35px rgba(0,0,0,0.2);
  max-width: 500px;
  width: 100%;
  text-align: center;
  animation: fadeIn 0.8s ease-out;
}

/* Лого */
.club-logo {
  width: 120px;
  margin-bottom: 20px;
}

.signup-container h1 {
  margin-bottom: 10px;
  color: #43A4C7;
  font-size: 2rem;
}

.signup-container p {
  margin-bottom: 20px;
  color: #333;
  font-size: 1.1rem;
}

/* Форма */
.signup-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
}

.signup-form label {
  font-weight: 600;
  color: #333;
  font-size: 0.95rem;
}

.signup-form input,
.signup-form textarea,
.signup-form select {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 12px;
  font-size: 1rem;
  outline: none;
  transition: border 0.3s, box-shadow 0.3s;
}

.signup-form input:focus,
.signup-form textarea:focus,
.signup-form select:focus {
  border-color: #43A4C7;
  box-shadow: 0 0 8px rgba(67,164,199,0.4);
}

/* Бутони */
.submit-btn, .back-btn {
  margin-top: 15px;
  padding: 14px;
  background: linear-gradient(90deg, #43A4C7, #1b6f8c);
  color: #fff;
  border: none;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.back-btn {
  background: #ccc;
  color: #333;
}

.submit-btn:hover {
  background: linear-gradient(90deg, #1b6f8c, #43A4C7);
  transform: translateY(-3px) scale(1.02);
}

.back-btn:hover {
  background: #999;
  color: #fff;
  transform: translateY(-3px);
}

/* Анимация */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 480px) {
  .signup-container {
    padding: 25px;
  }
  .signup-container h1 {
    font-size: 1.5rem;
  }
  .signup-container p {
    font-size: 0.95rem;
  }
  .club-logo {
    width: 100px;
  }
}