:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #10b981;--secondary-hover: #059669;--success-color: #059669;--error-color: #dc2626;--bg-color: #f8fafc;--text-color: #1e293b}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;max-width:800px;margin:0 auto;padding:32px 24px;background:var(--bg-color);color:var(--text-color);line-height:1.6}#restartBtn{display:none;margin:24px auto;padding:12px 24px;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s ease}#restartBtn:hover{background-color:var(--primary-hover);transform:translateY(-1px)}body{padding-bottom:60px}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--success-color: #059669;--error-color: #dc2626;--bg-color: #f8fafc;--text-color: #1e293b}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;max-width:800px;margin:0 auto;padding:32px 24px 60px;background:var(--bg-color);color:var(--text-color);line-height:1.6}h1{font-size:2.5rem;font-weight:700;margin-bottom:1.5rem;color:#0f172a}p{margin-bottom:1.5rem}.drop-zone{border:2px dashed #cbd5e1;background:#fff;padding:40px 20px;text-align:center;margin:24px 0;cursor:pointer;border-radius:12px;transition:all .2s ease;box-shadow:0 1px 3px #0000001a}.drop-zone:hover{border-color:var(--primary-color);background-color:#f8fafc}#downloadLinks{margin-top:24px;display:grid;gap:12px}.download-btn{display:inline-block;padding:12px 20px;background-color:var(--primary-color);color:#fff;text-decoration:none;border-radius:8px;text-align:center;font-weight:500;transition:all .2s ease;box-shadow:0 1px 3px #0000001a}.download-btn:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px #0000001a}#message{padding:16px;margin:16px 0;border-radius:8px;font-weight:500}.error{background-color:#fef2f2;color:var(--error-color);border:1px solid #fee2e2}.success{background-color:#ecfdf5;color:var(--success-color);border:1px solid #d1fae5}select{padding:8px 16px;border-radius:6px;border:1px solid #cbd5e1;background-color:#fff;font-size:1rem;margin-left:8px}.feature-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:24px 0}.feature-item{background:#fff;padding:16px;border-radius:8px;box-shadow:0 1px 3px #0000001a}.spinner{border:4px solid #e2e8f0;border-top:4px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:24px auto;display:none}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#restartBtn{display:none;margin:24px auto;padding:12px 24px;background-color:var(--secondary-color);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s ease}#restartBtn:hover{background-color:var(--secondary-hover);transform:translateY(-1px)}.sticky-footer{position:fixed;bottom:0;left:0;right:0;background:#fff;padding:12px;text-align:center;box-shadow:0 -2px 10px #0000001a}.feedback-link{color:var(--primary-color);text-decoration:none;font-weight:500;transition:all .2s ease}.feedback-link:hover{color:var(--primary-hover)}