:root{--primary-color: #0070f3;--secondary-color: #0761d1;--text-color: #333;--light-gray: #f0f0f0;--border-color: #ddd;--success-color: #0cce6b;--error-color: #e00;--border-radius: 8px;--box-shadow: 0 4px 14px 0 rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-color);background-color:#fff;padding:0;margin:0}#app{max-width:1200px;margin:0 auto;padding:2rem}header{margin-bottom:2rem;text-align:center}h1{font-size:2.5rem;margin-bottom:1rem;color:var(--primary-color)}h2{font-size:1.8rem;margin-bottom:1.5rem;color:var(--text-color)}section{margin-bottom:3rem;background-color:#fff;border-radius:var(--border-radius);padding:2rem;box-shadow:var(--box-shadow)}.upload-container{display:flex;flex-direction:column;gap:1rem}#drop-area{border:2px dashed var(--border-color);border-radius:var(--border-radius);padding:3rem 2rem;text-align:center;transition:all .3s ease;background-color:var(--light-gray);cursor:pointer}#drop-area.active{border-color:var(--primary-color);background-color:#0070f30d}#drop-area p{margin-bottom:1rem;font-size:1.2rem}#file-input{display:none}.file-input-label{display:inline-block;padding:.8rem 1.5rem;background-color:var(--primary-color);color:#fff;border-radius:var(--border-radius);cursor:pointer;font-weight:500;transition:background-color .3s ease}.file-input-label:hover{background-color:var(--secondary-color)}#upload-button{padding:.8rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;font-weight:500;font-size:1rem;transition:background-color .3s ease;margin-top:1rem}#upload-button:hover:not(:disabled){background-color:var(--secondary-color)}#upload-button:disabled{background-color:var(--border-color);cursor:not-allowed}#upload-progress{padding:.5rem;text-align:center;font-size:.9rem}#files-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.file-item{border:1px solid var(--border-color);border-radius:var(--border-radius);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.file-item:hover{transform:translateY(-5px);box-shadow:var(--box-shadow)}.file-preview{height:180px;overflow:hidden;background-color:var(--light-gray);display:flex;align-items:center;justify-content:center}.file-preview img{width:100%;height:100%;object-fit:cover}.file-icon{display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:var(--primary-color)}.file-info{padding:1rem}.file-name{font-weight:500;margin-bottom:.3rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{color:#666;font-size:.9rem;margin-bottom:.5rem}.cdn-url{font-size:.85rem;word-break:break-all}.cdn-url a{color:var(--primary-color);text-decoration:none}.cdn-url a:hover{text-decoration:underline}footer{text-align:center;margin-top:2rem;padding:1rem;color:#666;font-size:.9rem}@media (max-width: 768px){#app{padding:1rem}section{padding:1.5rem}#files-container{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}