body {
      font-family: "Inter", sans-serif;
    }

    .result-card {
      background: #ffffff;
      border: 1px solid #e5e7eb;
      border-radius: 0.75rem;
      padding: 1.25rem 1.5rem;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      transition: all 0.3s ease;
    }

    .result-card:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .fade-in {
      animation: fadeIn 0.5s ease-out;
    }

    .info-box {
      background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
      border-left: 4px solid #10b981;
      padding: 1rem 1.25rem;
      border-radius: 0.5rem;
      margin: 1.5rem 0;
    }

    .warning-box {
      background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
      border-left: 4px solid #f59e0b;
      padding: 1rem 1.25rem;
      border-radius: 0.5rem;
      margin: 1.5rem 0;
    }

    /* Beautiful Educational Content Styling */
    .educational-content {
      background: linear-gradient(to bottom, #ffffff 0%, #f9fafb 100%);
      border-radius: 1rem;
      overflow: hidden;
    }

    .content-section {
      padding: 2.5rem 2rem;
      border-bottom: 1px solid #e5e7eb;
    }

    .content-section:last-child {
      border-bottom: none;
    }

    .content-section h2 {
      color: #059669;
      font-weight: 700;
      font-size: 1.75rem;
      margin-bottom: 1.25rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .content-section h2::before {
      content: '';
      width: 4px;
      height: 2rem;
      background: linear-gradient(to bottom, #10b981, #059669);
      border-radius: 2px;
    }

    .content-section h3 {
      color: #1f2937;
      font-weight: 600;
      font-size: 1.25rem;
      margin-top: 1.75rem;
      margin-bottom: 1rem;
      padding-left: 1rem;
      border-left: 3px solid #d1fae5;
    }

    .content-section p {
      color: #4b5563;
      line-height: 1.8;
      margin-bottom: 1.25rem;
      font-size: 1rem;
    }

    .content-section ul, .content-section ol {
      margin: 1.25rem 0;
      padding-left: 1.5rem;
    }

    .content-section li {
      color: #4b5563;
      line-height: 1.8;
      margin-bottom: 0.75rem;
      position: relative;
    }

    .content-section ul li::marker {
      color: #10b981;
      font-weight: bold;
    }

    .content-section ol li::marker {
      color: #10b981;
      font-weight: bold;
    }

    .highlight-box {
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      border: 1px solid #a7f3d0;
      border-radius: 0.75rem;
      padding: 1.5rem;
      margin: 1.5rem 0;
    }

    .highlight-box h4 {
      color: #065f46;
      font-weight: 600;
      font-size: 1.1rem;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .highlight-box p {
      color: #047857;
      margin-bottom: 0;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e5e7eb;
      border-radius: 0.75rem;
      padding: 1.5rem;
      margin-bottom: 1rem;
      transition: all 0.3s ease;
    }

    .faq-item:hover {
      box-shadow: 0 4px 12px rgba(5, 150, 105, 0.1);
      border-color: #10b981;
    }

    .faq-question {
      color: #111827;
      font-weight: 600;
      font-size: 1.05rem;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: start;
      gap: 0.75rem;
    }

    .faq-question::before {
      content: 'Q';
      background: linear-gradient(135deg, #10b981, #059669);
      color: white;
      width: 1.75rem;
      height: 1.75rem;
      border-radius: 0.375rem;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.875rem;
      flex-shrink: 0;
    }

    .faq-answer {
      color: #6b7280;
      line-height: 1.7;
      padding-left: 2.5rem;
    }

    .step-card {
      background: #ffffff;
      border: 2px solid #e5e7eb;
      border-radius: 0.75rem;
      padding: 1.25rem;
      margin-bottom: 1rem;
      position: relative;
      padding-left: 4rem;
      transition: all 0.3s ease;
    }

    .step-card:hover {
      border-color: #10b981;
      box-shadow: 0 4px 12px rgba(5, 150, 105, 0.1);
    }

    .step-number {
      position: absolute;
      left: 1.25rem;
      top: 1.25rem;
      width: 2.5rem;
      height: 2.5rem;
      background: linear-gradient(135deg, #10b981, #059669);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.125rem;
    }

    .step-card h4 {
      color: #111827;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }

    .step-card p {
      color: #6b7280;
      margin-bottom: 0;
      font-size: 0.9rem;
    }

    .file-item {
      transition: all 0.3s ease;
    }

    .file-item:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .progress-bar-smooth {
      transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes pulse {
      0%, 100% {
        opacity: 1;
      }
      50% {
        opacity: 0.7;
      }
    }

    .status-converting {
      animation: pulse 1.5s ease-in-out infinite;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    .spinner {
      animation: spin 1s linear infinite;
    }

    #dropZone {
      transition: all 0.3s ease;
    }

    #dropZone.drag-over {
      background: #f0fdf4;
      border-color: #10b981;
    }

    #dropZone.disabled-zone {
      opacity: 0.5;
      pointer-events: none;
      background: #f9fafb;
    }

    #convertBtn {
      padding: 18px 48px !important;
      font-size: 16px !important;
    }

    #resetBtn {
      padding: 14px 32px !important;
      font-size: 14px !important;
    }

    .scroll-target {
      scroll-margin-top: 20px;
    }

    .word-break-word {
      word-break: break-word;
      overflow-wrap: break-word;
    }

    @media (max-width: 768px) {
      .content-section {
        padding: 2rem 1.5rem;
      }

      .content-section h2 {
        font-size: 1.5rem;
      }

      .content-section h3 {
        font-size: 1.125rem;
      }
      
      #convertBtn {
        padding: 16px 36px !important;
        font-size: 15px !important;
      }
      
      #resetBtn {
        padding: 12px 28px !important;
        font-size: 13px !important;
      }

      .file-item p.text-sm {
        font-size: 0.8rem;
        max-width: 100%;
      }

      .truncate {
        max-width: 180px;
      }

      .step-card {
        padding-left: 3.5rem;
      }

      .step-number {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
        left: 1rem;
      }
    }