.App {
  position: relative;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #ffffff;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.app-header {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 20px;
  pointer-events: none;
}

.app-header > * {
  pointer-events: auto;
}


/* Styles pour le dark mode toggle dans le header */
.app-header .dark-mode-toggle {
  flex-shrink: 0;
}

.app-header .toggle-btn {
  padding: 8px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  background: #ffffff;
  color: #000000;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 10px;
  font-weight: 500;
  min-width: 32px;
  text-align: center;
  outline: none;
  user-select: none;
}

.app-header .toggle-btn:hover {
  background: #f8f9fa;
  border-color: #d1d5db;
}

.app-header .toggle-btn:active {
  transform: translateY(0);
}

/* Dark mode styles */
.App.dark-mode {
  background: #000000;
}


.App.dark-mode .app-header .toggle-btn {
  background: #1a1a1a;
  color: #ffffff;
  border-color: #404040;
}

.App.dark-mode .app-header .toggle-btn:hover {
  background: #333333;
  border-color: #555555;
}

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    padding: 15px;
  }
  
  .app-header .toggle-btn {
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 10px;
  }
  
  .app-header .toggle-btn {
    padding: 8px;
  }
}