*{box-sizing:border-box;margin:0;padding:0}body{color:#fff;background:#111827;justify-content:center;align-items:center;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex}.countdown-container{text-align:center;padding:2.5rem}.countdown-title{color:#9ca3af;letter-spacing:.05em;text-transform:uppercase;margin-bottom:2rem;font-size:1.75rem}.timer-grid{justify-content:center;gap:1.5rem;display:flex}.timer-box{background:#374151;border-radius:.5rem;flex-direction:column;align-items:center;min-width:80px;padding:1rem;display:flex}.timer-number{color:#fff;font-variant-numeric:tabular-nums;font-size:2.5rem;font-weight:700}.timer-label{text-transform:uppercase;color:#9ca3af;letter-spacing:.05em;margin-top:.25rem;font-size:.75rem}.time-up-message{color:#10b981;font-size:2rem;font-weight:700;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}