*{margin:0;padding:0;box-sizing:border-box}body{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);height:100vh;margin:0}body main{display:flex;align-items:center;justify-content:center;width:100%}.timer-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:320px;height:auto;max-height:90vh;background:linear-gradient(135deg,#2d3748,#1a202c);font-family:Segoe UI,system-ui,-apple-system,sans-serif;padding:20px;border-radius:20px;color:#f1f5f9;box-shadow:0 25px 50px #0006;transition:box-shadow .3s ease}@media (min-width: 768px){.timer-container{width:400px;padding:28px;border-radius:20px}}@media (min-width: 1025px){.timer-container{width:480px;padding:36px;border-radius:28px}}.timer-container .timer-display{border:2px solid rgba(255,255,255,.2);border-radius:12px;font-weight:700;background:linear-gradient(135deg,#fff,#f7fafc);color:#2d3748;text-align:center;letter-spacing:.1em;box-shadow:0 8px 20px #0003;transition:transform .2s ease;width:220px;font-size:28px;padding:16px 12px;margin:16px}@media (min-width: 768px){.timer-container .timer-display{width:260px;font-size:36px;padding:20px 16px;margin:18px;border-radius:16px}}@media (min-width: 1025px){.timer-container .timer-display{width:300px;font-size:42px;padding:24px 20px;margin:20px;border-radius:20px}}.timer-container .timer-display:hover{transform:translateY(-2px);box-shadow:0 12px 24px #00000026,inset 0 1px #fff9}.timer-container .timer-controls{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;width:100%;min-height:60px}.timer-container .timer-controls button{background:linear-gradient(135deg,#4299e1,#3182ce);border:none;color:#fff;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #4299e166;padding:12px 18px;font-size:16px;border-radius:8px;min-width:70px}.timer-container .timer-controls button:focus-visible{outline:2px solid white;outline-offset:2px}@media (min-width: 768px){.timer-container .timer-controls button{padding:14px 22px;font-size:18px;border-radius:10px;min-width:85px}}@media (min-width: 1025px){.timer-container .timer-controls button{padding:16px 26px;font-size:20px;border-radius:12px;min-width:100px}.timer-container .timer-controls button:hover{transform:translateY(-2px)}}.timer-container .timer-laps{width:100%;margin:16px auto 0;max-height:40vh;overflow-y:auto}.timer-container .timer-laps h3{text-align:center;font-weight:600;margin-bottom:12px;color:#f1f5f9}@media (min-width: 768px){.timer-container .timer-laps h3{font-size:22px;margin-bottom:14px}}@media (min-width: 1025px){.timer-container .timer-laps h3{font-size:24px;margin-bottom:16px}}.timer-container .timer-laps ul{display:flex;flex-direction:column;list-style:none;padding:0;margin:0;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px #0000001a}.timer-container .timer-laps ul li{border-bottom:1px solid rgba(226,232,240,.2);font-weight:500;transition:all .2s ease;padding:10px 12px;font-size:16px;opacity:0;transform:translateY(10px);animation:showLap .3s ease forwards}@media (min-width: 768px){.timer-container .timer-laps ul li{padding:11px 14px;font-size:17px}}@media (min-width: 1025px){.timer-container .timer-laps ul li{padding:12px 16px;font-size:19px}.timer-container .timer-laps ul li:hover{transform:translate(4px)}}.timer-container .timer-laps ul li:last-child{border-bottom:none}@keyframes showLap{to{opacity:1;transform:translateY(0)}}