.mainimg{
     display: flex;
     justify-content: center;
     padding: 100px 0px 30px 0px;

 }
    .app-container {
      width: 100%;
      max-width: 1000px;
      background: var(--white);
      border-radius: var(--border-radius);
      box-shadow: var(--shadow);
      padding: 30px;
      position: relative;
      overflow: hidden;
  
    }

    .app-header {
      text-align: center;
      color: var(--text-dark);
      margin-bottom: 30px;
      font-weight: 700;
      font-size: 28px;
    }

    .app-accent {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    }

    .drop-zone {
      border: 2px dashed var(--border-color);
      border-radius: var(--border-radius);
      padding: 40px;
      text-align: center;
      transition: var(--transition);
      background-color: rgba(99, 102, 241, 0.05);
      cursor: pointer;
      margin-bottom: 25px;
      position: relative;
      overflow: hidden;
    }

    .drop-zone.drag-over {
      border-color: var(--primary-color);
      background-color: rgba(99, 102, 241, 0.1);
      transform: scale(1.02);
    }

    .drop-zone-content {
      pointer-events: none;
    }

    .drop-zone-icon {
      font-size: 48px;
      color: var(--primary-color);
      margin-bottom: 15px;
    }

    .drop-zone-text {
      font-size: 18px;
      font-weight: 500;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .drop-zone-subtext {
      font-size: 14px;
      color: var(--text-light);
    }

    .image-selected {
      display: none;
      position: relative;
      margin-bottom: 25px;
    }

    .image-preview-container {
      border-radius: var(--border-radius);
      overflow: hidden;
      position: relative;
      background-color: var(--bg-light);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }

    .image-preview {
      width: 100%;
      max-height: 300px;
      object-fit: contain;
      display: block;
    }

    .change-image-btn {
      position: absolute;
      top: 15px;
      right: 15px;
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: var(--white);
      border: none;
      border-radius: 10px;
      padding: 10px 16px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 6px;
      backdrop-filter: blur(10px);
      z-index: 10;
    }

    .change-image-btn::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
      opacity: 0;
      transition: var(--transition);
    }

    .change-image-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    }

    .change-image-btn:hover::before {
      opacity: 1;
    }

    .change-image-btn:active {
      transform: translateY(0);
    }

    .change-image-btn-icon {
      font-size: 16px;
    }

    .input-group {
      margin-bottom: 20px;
    }

    .input-label {
      display: block;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-dark);
      font-size: 14px;
    }

    .format-selector {
      display: flex;
      gap: 10px;
      margin-top: 8px;
    }

    .format-option {
      flex: 1;
      text-align: center;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 12px;
      cursor: pointer;
      background: var(--bg-light);
      transition: var(--transition);
      font-weight: 500;
    }

    .format-option:hover {
      background-color: rgba(99, 102, 241, 0.05);
    }

    .format-option.active {
      background-color: var(--primary-color);
      border-color: var(--primary-color);
      color: var(--white);
    }

    .input-field {
      width: 100%;
      padding: 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      font-size: 16px;
      transition: var(--transition);
    }

    .input-field:focus {
      border-color: var(--primary-color);
      outline: none;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    }

    .input-field.error {
      border-color: var(--error-color);
      box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
    }

    .input-warning {
      display: none;
      margin-top: 6px;
      font-size: 13px;
      color: var(--error-color);
      font-weight: 500;
      align-items: center;
      gap: 4px;
    }

    .input-warning.show {
      display: flex;
    }

    .btn {
      width: 100%;
      padding: 14px;
      border: none;
      border-radius: var(--border-radius);
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: var(--white);
    }

    .btn-primary:hover:not(:disabled) {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }

    .btn-success {
      background-color: var(--success-color);
      color: var(--white);
    }

    .btn-success:hover:not(:disabled) {
      background-color: #0ea572;
      transform: translateY(-2px);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }

    .btn-secondary {
      background-color: var(--secondary-color);
      color: var(--white);
    }

    .btn-secondary:hover:not(:disabled) {
      background-color: #7c3aed;
      transform: translateY(-2px);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }

    .btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .progress-container {
      display: none;
      margin-top: 25px;
    }

    .progress-bar {
      background-color: var(--border-color);
      height: 8px;
      border-radius: 4px;
      overflow: hidden;
    }

    .progress {
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      width: 0%;
      height: 100%;
      transition: width 0.3s ease;
    }

    .status-text {
      text-align: center;
      margin-top: 10px;
      font-size: 14px;
      color: var(--text-light);
    }

    .preview-container {
      display: none;
      margin-top: 30px;
    }

    .preview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .preview-box {
      background: var(--bg-light);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    }

    .preview-header {
      padding: 15px;
      background-color: var(--white);
      border-bottom: 1px solid var(--border-color);
      font-weight: 600;
      color: var(--text-dark);
    }

    .preview-content {
      padding: 15px;
      text-align: center;
    }

    .preview-image {
      max-width: 100%;
      border-radius: 8px;
      max-height: 300px;
      margin-bottom: 15px;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    }

    .info {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 10px;
    }

    .info-item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 5px;
    }

    .info-label {
      font-weight: 500;
    }

    .info-value {
      font-weight: 600;
      color: var(--text-dark);
    }

    .notification {
      position: fixed;
      top: 20px;
      right: 20px;
      padding: 15px 20px;
      border-radius: var(--border-radius);
      color: var(--white);
      font-weight: 500;
      box-shadow: var(--shadow);
      transform: translateX(120%);
      transition: transform 0.3s ease;
      z-index: 1000;
      max-width: 300px;
    }

    .notification.show {
      transform: translateX(0);
    }

    .notification.success {
      background-color: var(--success-color);
    }

    .notification.error {
      background-color: var(--error-color);
    }

    .notification.warning {
      background-color: #f59e0b;
    }

    .action-buttons {
      display: flex;
      gap: 10px;
      margin-top: 20px;
    }

    .action-buttons .btn {
      flex: 1;
    }

    @media (max-width: 768px) {
      .preview-grid {
        grid-template-columns: 1fr;
      }
      
      .app-container {
        padding: 20px;
      }

      .action-buttons {
        flex-direction: column;
      }
    }
    
    
    
    /*new section */
    
    /* Enhanced Explanation Section Styles */
.explanation-section {
  margin-top: 3rem;
  padding: 2.5rem;
  background-color: var(--bg-light);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.explanation-title {
  color: var(--text-dark);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  position: relative;
}

.explanation-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.explanation-subtitle {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 1.5rem auto 0;
  line-height: 1.6;
}

.process-flow {
  position: relative;
  margin-bottom: 3rem;
}

.process-arrow {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--primary-color);
  font-size: 2rem;
  z-index: 1;
  transform: translateY(-50%);
  opacity: 0.3;
}

.explanation-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.explanation-step {
  background-color: var(--white);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.explanation-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
  border-radius: 3px 0 0 3px;
}

.explanation-step:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.step-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.1rem;
}

.step-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.step-content h3 {
  color: var(--text-dark);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step-content p {
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.step-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.detail-icon {
  color: var(--success-color);
  font-weight: bold;
}

.tech-details {
  margin-bottom: 3rem;
}

.tech-details h3 {
  color: var(--text-dark);
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 2rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.tech-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.tech-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.tech-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.tech-content h4 {
  color: var(--text-dark);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.tech-content p {
  color: var(--text-light);
  line-height: 1.5;
  margin: 0;
  font-size: 0.95rem;
}

.explanation-note {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background-color: var(--white);
  border-radius: 16px;
  border-left: 5px solid var(--primary-color);
  margin-bottom: 3rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.note-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.note-content h4 {
  color: var(--text-dark);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.note-content p {
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.privacy-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.privacy-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-light);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.check-icon {
  color: var(--success-color);
  font-weight: bold;
}

.explanation-features h3 {
  color: var(--text-dark);
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--white);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.25rem;
}

.feature-card h4 {
  color: var(--text-dark);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .explanation-section {
    padding: 1.5rem;
  }
  
  .explanation-title {
    font-size: 1.75rem;
  }
  
  .explanation-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .explanation-step {
    padding: 1.5rem;
  }
  
  .tech-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .explanation-note {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }
  
  .privacy-features {
    justify-content: center;
  }
}