* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  height: 100%;
  font-family: 'Segoe UI', sans-serif;
  background: url('https://few-purple-wy3g2ntba4.edgeone.app/satyaprakash-kumawat-ky1d-IWCBis-unsplash.jpg') no-repeat center center/cover;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.stopwatch-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  color: #fff;
  max-width: 450px;
  width: 90%;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

#display {
  font-size: 3rem;
  margin-bottom: 20px;
}

.buttons button {
  margin: 5px;
  padding: 10px 20px;
  border: none;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: white;
  border-radius: 30px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.buttons button:disabled {
  background: rgba(255, 255, 255, 0.2);
  cursor: not-allowed;
}

.buttons button:hover:enabled {
  transform: scale(1.05);
  background: linear-gradient(135deg, #2575fc, #6a11cb);
}

.laps {
  margin-top: 20px;
  max-height: 200px;
  overflow-y: auto;
  text-align: left;
  padding: 0 10px;
}

.laps div {
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding: 5px 0;
  font-size: 0.95rem;
}