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

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #1d2671, #c33764);
  font-family: 'Segoe UI', sans-serif;
}

.stopwatch {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  padding: 40px;
  border-radius: 25px;
  width: 420px;
  text-align: center;
  box-shadow: 0 0 35px rgba(255, 255, 255, 0.25);
  animation: fadeIn 1s ease;
}


@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.author-name {
  position: fixed;
  top: 20px;
  right: 25px;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;

  background: linear-gradient(
    90deg,
    #00eaff,
    #00ff9d,
    #ffffff,
    #00eaff
  );
  background-size: 200% auto;

  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;

  animation: shine2D 3s linear infinite;
  z-index: 1000;
}



@keyframes shine2D {
  0% {
    background-position: 0% center;
  }
  100% {
    background-position: 200% center;
  }
}



.stopwatch h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: linear-gradient(90deg, #00eaff, #00ff9d, #ffffff);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: titleGlow 3s infinite alternate;
}


@keyframes titleGlow {
  from {
    text-shadow: 0 0 10px #00eaff;
  }
  to {
    text-shadow: 0 0 25px #00ff9d;
  }
}



/* Time Display */
#display {
  font-size: 3.4rem;
  color: #fff;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 20px #00eaff;
  animation: glow 2s infinite alternate;
}

@keyframes glow {
  from {
    box-shadow: 0 0 10px #00eaff;
  }
  to {
    box-shadow: 0 0 25px #00eaff;
  }
}

/* Buttons */
.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.buttons button {
  flex: 1 1 45%;
  padding: 12px;
  border: none;
  border-radius: 25px;
  background: linear-gradient(45deg, #00eaff, #00ff9d);
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.buttons button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 234, 255, 0.6);
}

.buttons button:active {
  transform: scale(0.95);
}

/* Laps */
#laps {
  margin-top: 20px;
  max-height: 150px;
  overflow-y: auto;
  list-style: none;
  color: #fff;
}

#laps li {
  padding: 8px;
  margin-bottom: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scrollbar */
#laps::-webkit-scrollbar {
  width: 5px;
}

#laps::-webkit-scrollbar-thumb {
  background: #00eaff;
  border-radius: 10px;
}



@media (max-width: 480px) {
  .author-name {
    font-size: 1rem;
    top: 12px;
    right: 15px;
    letter-spacing: 1px;
  }
}