body{
 -ms-overflow-style: none;
 }
 
::-webkit-scrollbar {
  display: none;
}
    .register-container {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(180deg, #f9fafb 0%, #ffffff 50%, #f9fafb 100%);
      padding: 40px 24px;
      position: relative;
      overflow: hidden;
    }

    /* 배경 그라디언트 요소 */
    .register-container::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle at 70% 50%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
                  radial-gradient(circle at 30% 50%, rgba(0, 0, 0, 0.015) 0%, transparent 50%);
      animation: gradientMove 20s ease-in-out infinite;
      pointer-events: none;
    }

    @keyframes gradientMove {
      0%, 100% { transform: translate(0, 0) rotate(0deg); }
      50% { transform: translate(5%, -5%) rotate(-5deg); }
    }

    .register-card {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(40px) saturate(180%);
      -webkit-backdrop-filter: blur(40px) saturate(180%);
      border-radius: 28px;
      padding: 56px 48px;
      box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
      width: 100%;
      max-width: 540px;
      border: 1px solid rgba(255, 255, 255, 0.5);
      position: relative;
      z-index: 1;
      animation: slideUpFade 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes slideUpFade {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .register-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .register-title {
      font-size: 32px;
      font-weight: 800;
      color: #191f28;
      margin-bottom: 12px;
      letter-spacing: -1px;
      line-height: 1.2;
    }

    .register-subtitle {
      font-size: 16px;
      color: #4e5968;
      font-weight: 600;
      letter-spacing: -0.3px;
    }

    .step-indicator {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 40px;
    }

    .step {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background-color: rgba(0, 0, 0, 0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #8b95a1;
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      font-size: 16px;
      border: 2px solid transparent;
    }

    .step.active {
      background-color: #191f28;
      color: white;
      transform: scale(1.1);
      box-shadow: 0 4px 16px rgba(25, 31, 40, 0.3);
    }

    .step.completed {
      background-color: rgba(25, 31, 40, 0.15);
      color: #191f28;
      border-color: #191f28;
    }

    #otp-step {
      display: none;
    }

    .qr-code-container {
      text-align: center;
      margin: 32px 0;
      padding: 32px;
      background-color: rgba(0, 0, 0, 0.02);
      border-radius: 20px;
      border: 2px dashed rgba(0, 0, 0, 0.1);
    }

    .qr-code-container img {
      max-width: 240px;
      border-radius: 16px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      background-color: white;
      padding: 16px;
    }

    .secret-key {
      margin: 24px 0;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.04);
      border-radius: 14px;
      text-align: center;
    }

    .secret-key code {
      font-size: 16px;
      font-weight: 800;
      color: #191f28;
      letter-spacing: 2px;
      word-break: break-all;
      font-family: 'Courier New', monospace;
    }

    .otp-instruction {
      background-color: rgba(25, 31, 40, 0.04);
      padding: 20px 24px;
      border-radius: 14px;
      margin: 24px 0;
    }

    .otp-instruction h4 {
      font-size: 16px;
      font-weight: 800;
      color: #191f28;
      margin-bottom: 12px;
      letter-spacing: -0.3px;
    }

    .otp-instruction ol {
      margin: 0;
      padding-left: 24px;
      color: #4e5968;
      font-weight: 600;
      font-size: 14px;
      letter-spacing: -0.2px;
    }

    .otp-instruction li {
      margin-bottom: 8px;
      line-height: 1.6;
    }

    .register-button {
      width: 100%;
      padding: 20px;
      font-size: 18px;
      font-weight: 800;
      margin-top: 16px;
      letter-spacing: -0.5px;
      border-radius: 14px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .register-button:hover:not(:disabled) {
      transform: translateY(-3px);
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    }

    .register-button:active:not(:disabled) {
      transform: translateY(-1px);
    }

    .form-footer {
      margin-top: 32px;
      text-align: center;
      font-size: 15px;
      color: #4e5968;
      font-weight: 600;
      padding-top: 32px;
      border-top: 1px solid rgba(0, 0, 0, 0.06);
    }

    .form-footer a {
      color: #191f28;
      text-decoration: none;
      font-weight: 700;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      padding: 4px 8px;
      border-radius: 6px;
    }

    .form-footer a:hover {
      background-color: rgba(0, 0, 0, 0.04);
    }

    .back-button {
      margin-top: 16px;
      width: 100%;
    }

    /* 반응형 */
    @media (max-width: 768px) {
      .register-card {
        padding: 40px 32px;
        border-radius: 24px;
      }

      .register-title {
        font-size: 28px;
      }

      .register-subtitle {
        font-size: 15px;
      }

      .step {
        width: 44px;
        height: 44px;
        font-size: 15px;
      }

      .qr-code-container {
        padding: 24px;
      }

      .qr-code-container img {
        max-width: 200px;
      }
    }