:root {
  /* Palette de couleurs principale - différente mais harmonieuse */
  --primary-color: #6C5CE7;
  --secondary-color: #A29BFE;
  --accent-color: #FD79A8;
  --success-color: #00B894;
  --warning-color: #FDCB6E;
  --danger-color: #E17055;
  --info-color: #74B9FF;
  
  /* Couleurs de fond et de texte - Mode clair */
  --bg-color: #F7F7FA;
  --card-bg: #ffffff;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --border-color: rgba(0, 0, 0, 0.1);
  
  /* Neumorphisme - Mode clair */
  --nm-shadow-light: rgba(255, 255, 255, 0.8);
  --nm-shadow-dark: rgba(0, 0, 0, 0.05);
  --nm-distance: 8px;
  --nm-blur: 12px;
  --nm-pressed-distance: 4px;
  --nm-pressed-blur: 8px;
}

/* Mode sombre */
[data-theme="dark"] {
  --bg-color: #1E1E2E;
  --card-bg: #2D2D3F;
  --text-primary: #FFFFFF;
  --text-secondary: #B2BEC3;
  --border-color: rgba(255, 255, 255, 0.1);
  
  /* Neumorphisme - Mode sombre */
  --nm-shadow-light: rgba(45, 45, 63, 0.8);
  --nm-shadow-dark: rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  padding: 20px;
  line-height: 1.6;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Animation d'apparition */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animation de pulsation */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Animation de complétion */
@keyframes completionCheck {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Animation de glissement */
@keyframes slideIn {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .app-container {
    padding: 10px;
  }
  
  body {
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .app-container {
    padding: 5px;
  }
}

/* Effet de pression pour les appareils tactiles */
@media (hover: none) {
  .view-btn:active,
  .quick-add-button:active,
  .task-action-btn:active {
    transform: scale(0.98);
  }
}