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

html, body, #root {
  width: 100%;
  min-height: 100vh;
}

body {
  background-color: #f8f9fa;
  line-height: 1.6;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
}

/* Focus visible — keyboard navigation support */
:focus-visible {
  outline: 2px solid #1a56db;
  outline-offset: 2px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}