:root {
  --bg-color: #121212;
  --text-color: #ffffff;
  --clock-color: #ff00ae;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.4s, color 0.4s;
}

body.light {
  --bg-color: #ffffff;
  --text-color: #121212;
  /* Don't override --clock-color here */
}

.clock-container {
  max-width: 400px;
  margin: 80px auto;
  padding: 30px;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  backdrop-filter: blur(10px);
}

#clock {
  font-size: 3rem;
  color: var(--clock-color);
  margin: 20px 0;
}

#date, #location {
  font-size: 2rem;
  margin: 5px 0;
}

#timezone-select,
#color-picker,
#toggle-theme {
  margin-top: 15px;
  padding: 8px;
  font-size: 1rem;
  border-radius: 8px;
  border: none;
}

#color-picker {
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
}

#toggle-theme {
  margin-top: 20px;
  background-color: var(--clock-color);
  color: #fff;
  cursor: pointer;
  transition: background 0.3s;
}

#toggle-theme:hover {
  opacity: 0.85;
}