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