:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#333;background-color:#f9f9f9;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background-color:#f5f5f5;overflow:hidden}#root{width:100%;max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.card{background:#fff;border-radius:16px;padding:3rem;box-shadow:0 10px 30px #0000000a;border:1px solid #f0f0f0;width:100%;max-width:480px;margin:0 auto;transition:transform .3s ease}.glass-card:hover{transform:translateY(-5px)}h1{font-size:2.5em;line-height:1.1;margin-bottom:.5em;color:#111}button{border-radius:8px;border:1px solid transparent;padding:.8em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.upload-area{border:2px dashed #ccc;border-radius:12px;padding:2rem;margin:2rem 0;cursor:pointer;transition:all .3s ease;position:relative;background-color:#fafafa}.upload-area:hover{background:#f0f0f0;border-color:#999}.upload-area.dragging{background:#e6f7ff;border-color:#1890ff;transform:scale(1.02)}.btn-primary{background:linear-gradient(90deg,#00c6ff,#0072ff);color:#fff;border:none;padding:12px 24px;font-size:1.1rem;font-weight:600;border-radius:50px;box-shadow:0 4px 15px #0072ff4d;transition:all .3s ease;width:100%;margin-top:1rem}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0072ff66}.btn-primary:disabled{opacity:.7;cursor:not-allowed;transform:none}.status-steps{display:flex;justify-content:space-between;margin-top:2rem;position:relative}.step{display:flex;flex-direction:column;align-items:center;z-index:1;opacity:.5;transition:all .3s ease}.step.active{opacity:1;transform:scale(1.1)}.step-circle{width:30px;height:30px;border-radius:50%;background:#eee;display:flex;align-items:center;justify-content:center;margin-bottom:.5rem;font-weight:700}.step.active .step-circle{background:#00c6ff;box-shadow:0 0 10px #00c6ff}.progress-bar{position:absolute;top:15px;left:0;width:100%;height:2px;background:#ffffff1a;z-index:0}.progress-fill{height:100%;background:#00c6ff;transition:width .5s ease}.file-info{margin-top:1rem;font-size:.9rem;color:#333}.spin-animation{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}