.bpm-analyzer{width:100%}.file-input-wrapper{margin-bottom:20px}.file-input{width:100%;padding:15px;border:2px dashed #667eea;border-radius:10px;cursor:pointer;font-size:14px;transition:all .3s ease;background:#fff}.file-input:hover:not(:disabled){border-color:#764ba2;background:#f8f9ff}.file-input:disabled{opacity:.5;cursor:not-allowed}.status{padding:15px;border-radius:10px;margin-bottom:20px;font-size:14px;text-align:center}.status.analyzing{background:#fff3cd;color:#856404;border:1px solid #ffeaa7}.status.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.status.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.bpm-display{text-align:center;padding:30px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:15px;opacity:0;transform:translateY(10px);transition:all .5s ease}.bpm-display.visible{opacity:1;transform:translateY(0)}.bpm-value{font-size:64px;font-weight:700;color:#fff;margin-bottom:5px}.bpm-label{font-size:18px;color:#ffffffe6;text-transform:uppercase;letter-spacing:2px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.container{background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;padding:40px;max-width:500px;width:100%}header{margin-bottom:30px}h1{font-size:28px;margin-bottom:10px;color:#333}.subtitle{color:#666;font-size:14px}