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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

h1 {
  margin-bottom: 1rem;
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 16px;
  min-width: 300px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideIn 0.3s ease-out;
}

.toast-success {
  border-left: 4px solid #27ae60;
}

.toast-error {
  border-left: 4px solid #e74c3c;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-success .fa-check-circle {
  color: #27ae60;
}

.toast-error .fa-exclamation-circle {
  color: #e74c3c;
}

.toast-close {
  background: none;
  border: none;
  color: #666;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.toast-close:hover {
  background: #f8f9fa;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}