@keyframes gradientBackground {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@media screen and (max-width: 400px) {
  .stopwatch-container {
    width: 90%;
    padding: 20px;
  }
}

.logo {
  font-size: 3rem;
  margin-bottom: 10px;
  display: flex;
  justify-content: center;
  text-align: space-between;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;

  /* Animated gradient background */
  background: linear-gradient(-45deg, #ff6ec4, #7873f5, #1fd1f9, #c4fff9);
  background-size: 600% 600%;
  animation: gradientBackground 15s ease infinite;
  color: #fff;
}

.stopwatch-container {
  position: relative;
  width: 360px; 
  background-color: rgba(0, 0, 0, 0.4);
  padding: 30px 25px;
  border-radius: 16px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
  text-align: center;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease-in-out;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

#display {
  font-size: 3.5rem;
  font-weight: bold;
  margin: 20px 0;
  letter-spacing: 2px;
  transition: color 0.3s;
}

.controls {
  display: flex;
  justify-content: center;
  flex-wrap: wrap; 
  gap: 6px;
  margin-top: 20px;
}
.controls button {
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: linear-gradient(45deg, #8900f2, #0c0c0c);
  color: white;
  transition: transform 0.2s ease, background 0.3s ease;
  min-width: 80px;
}

.controls button:hover {
  transform: scale(1.05);
  background: linear-gradient(45deg, #fc466b, #1e1e1d);
}

#laps {
  list-style-type: none;
  margin-top: 30px;
  padding: 0;
  max-height: 150px;
  overflow-y: auto;
}

#laps li {
  padding: 8px 10px;
  margin-bottom: 6px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
}
#track {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 10px 0;
}

#runner {
  width: 60px;
  height: 60px;
}

#runner.paused {
  opacity: 0.4;
  filter: grayscale(100%);
}


#lap-runners {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px;
  border-top: 2px dashed #fff;
  margin-top: 20px;
}

@keyframes swing-arm-left {
  0%, 100% { transform: rotate(20deg); transform-origin: 50px 30px; }
  50% { transform: rotate(-20deg); transform-origin: 50px 30px; }
}

@keyframes swing-arm-right {
  0%, 100% { transform: rotate(-20deg); transform-origin: 50px 30px; }
  50% { transform: rotate(20deg); transform-origin: 50px 30px; }
}

@keyframes swing-leg-left {
  0%, 100% { transform: rotate(-20deg); transform-origin: 50px 50px; }
  50% { transform: rotate(20deg); transform-origin: 50px 50px; }
}

@keyframes swing-leg-right {
  0%, 100% { transform: rotate(20deg); transform-origin: 50px 50px; }
  50% { transform: rotate(-20deg); transform-origin: 50px 50px; }
}

#runner.running .arm-left {
  animation: swing-arm-left 0.6s infinite ease-in-out;
}

#runner.running .arm-right {
  animation: swing-arm-right 0.6s infinite ease-in-out;
}

#runner.running .leg-left {
  animation: swing-leg-left 0.6s infinite ease-in-out;
}

#runner.running .leg-right {
  animation: swing-leg-right 0.6s infinite ease-in-out;
}

#runner.paused .arm-left,
#runner.paused .arm-right,
#runner.paused .leg-left,
#runner.paused .leg-right {
  animation: none;
}