/* TimeTracker Custom Styles */
.timer-display {
  font-family: 'Courier New', monospace;
  font-weight: bold;
  letter-spacing: 0.1em;
}

.timer-button {
  transition: all 0.3s ease;
  transform: scale(1);
}

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

.timer-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.project-selector {
  max-height: 300px;
  overflow-y: auto;
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}

.status-recording {
  background-color: #ef4444;
  animation: pulse 2s infinite;
}

.status-paused {
  background-color: #f59e0b;
}

.status-stopped {
  background-color: #6b7280;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* スマホ向けのタッチフレンドリーな大きなボタン */
@media (max-width: 768px) {
  .mobile-button {
    min-height: 60px;
    font-size: 18px;
  }
  
  .timer-display {
    font-size: 3rem;
  }
}

/* PC向けのレスポンシブグリッド */
@media (min-width: 1024px) {
  .dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  .chart-container {
    min-height: 400px;
  }
}