*{margin:0;padding:0;box-sizing:border-box}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden}#root{width:100%;height:100%}button:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}.music-player{height:100vh;width:100vw;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.title{font-size:clamp(2.5rem,6vw,4rem);font-weight:700;color:#fff;margin-bottom:1rem;text-shadow:0 0 30px rgba(0,0,0,.2);-webkit-user-select:none;user-select:none}.time-display{font-size:clamp(4rem,15vw,10rem);font-weight:200;color:#fff;font-family:SF Mono,Monaco,Inconsolata,Fira Code,monospace;text-shadow:0 0 40px rgba(0,0,0,.2);letter-spacing:.05em;margin-bottom:2rem;-webkit-user-select:none;user-select:none;animation:pulse 4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.9}50%{opacity:1}}.track-info{color:#fffc;font-size:1.2rem;margin-bottom:4rem;text-align:center;max-width:80%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.controls{position:absolute;bottom:60px;display:flex;gap:30px;align-items:center}.control-btn{width:70px;height:70px;border-radius:50%;border:none;background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;font-size:28px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #0000001a}.control-btn:hover{background:#ffffff4d;transform:scale(1.05);box-shadow:0 6px 30px #0003}.control-btn:active{transform:scale(.95)}.play-pause-btn{width:90px;height:90px;font-size:36px}@media (max-width: 768px){.time-display{font-size:clamp(3rem,12vw,6rem)}.track-info{font-size:1rem;margin-bottom:3rem}.control-btn{width:60px;height:60px;font-size:24px}.play-pause-btn{width:75px;height:75px;font-size:30px}.controls{bottom:40px;gap:20px}}#root{margin:0;padding:0;width:100%;height:100%}