/* Layout and structure, using theme variables */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);

  display: flex;                 /* enable flexbox */
  justify-content: center;       /* center horizontally */
  align-items: center;           /* center vertically */
}

.container {
  text-align: center;
  padding: 2rem;
  border-radius: 8px;
  border: 4px solid var(--color-border);
  background-color: var(--color-card-bg);
  max-width: 800px;
  box-sizing: border-box;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

h2 {
  font-size: 1.5rem;
  margin: 0.5rem 0;
  color: var(--color-accent);
}

h3 {
  font-size: 1.2rem;
  margin: 0.5rem 0;
  color: var(--color-text);
}

p {
  margin: 0.5rem 0;
  color: var(--color-text-light);
  line-height: 1.4;
}

i {
  margin-top: 1rem;
  display: block;
  color: var(--color-text-light);
}