/* Shared layout: gray page, centered “page” panel (retro-ish, still plain) */

:root {
  --font-body: "Lekton", ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  padding: 1.25rem;
  background: #b3b3b3;
  color: #1a1a1a;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
}

.sheet {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1.75rem 2rem 2rem;
  background: #f6f6f2;
  border: 1px solid #666;
  box-shadow: 0 2px 0 #888;
}

.sheet__footer {
  margin-top: 2rem;
  padding-top: 0.75rem;
  border-top: 1px solid #ccc;
  font-size: 0.85rem;
  color: #555;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.65rem;
  font-weight: normal;
  letter-spacing: 0.02em;
}

h2 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #333;
}

h2:first-of-type {
  margin-top: 1.25rem;
}

p {
  margin: 0.5rem 0 0;
}

ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

a {
  color: #003366;
}

a:visited {
  color: #440066;
}

a:hover {
  color: #0055aa;
}

hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px dashed #999;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  font: inherit;
  line-height: 1.2;
  text-decoration: none;
  color: #1a1a1a;
  cursor: pointer;
  border: 1px solid #666;
  background: #e8e8e4;
}

button.btn {
  appearance: none;
}

.btn:hover {
  background: #ddd;
  color: #1a1a1a;
}

.btn:visited {
  color: #1a1a1a;
}

.btn__icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  body {
    padding: 0.75rem;
  }

  .sheet {
    padding: 1.25rem 1.25rem 1.5rem;
  }
}

@media print {
  body {
    padding: 0;
    background: #fff;
  }

  .sheet {
    max-width: none;
    margin: 0;
    padding: 0;
    border: none;
    box-shadow: none;
    background: #fff;
  }

  .sheet__footer--screen-only {
    display: none;
  }
}