:root{--background:#0b0c10;--foreground:#c5c6c7;--accent-cyan:#66fcf1;--accent-teal:#45a29e}body{color:var(--foreground);background:var(--background);font-family:system-ui,-apple-system,sans-serif;margin:0;padding:0}button{cursor:pointer;padding:10px 20px;background-color:var(--accent-cyan);color:var(--background);border:none;border-radius:5px;font-size:1rem;font-weight:700;transition:opacity .2s}button:hover{opacity:.8}.container{justify-content:center;min-height:100vh;padding:20px}.container,.main{display:flex;flex-direction:column;align-items:center}.main{gap:2rem}.title{font-size:3rem;font-weight:700;color:var(--accent-teal);text-align:center}.controls{display:flex;flex-direction:column;align-items:center;gap:1rem}.latency{font-size:1.2rem}.latency-value{font-family:monospace;font-weight:700;color:var(--accent-cyan)}