/* Workshop slides — high contrast, print-friendly, readable with CSS disabled.
   No animation, no autoplay, no JS. (MIT license) */

:root {
  --ink: #1a1a1a;
  --paper: #ffffff;
  --accent: #0b3d91;   /* 9.3:1 on white */
  --band: #f2f2f2;
  --focus: #b35c00;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  padding-bottom: 3rem;
}

header, main, footer { max-width: 46rem; margin: 0 auto; padding: 0 1rem; }
header { padding-top: 1.25rem; }

h1 { font-size: 1.7rem; line-height: 1.2; margin: 0.4rem 0; }
h2 { font-size: 1.35rem; line-height: 1.3; margin: 0; }

.slide {
  border: 2px solid var(--accent);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  margin: 1.4rem 0;
}

.slide > h2 { color: var(--accent); margin-bottom: 0.6rem; }

blockquote {
  border-left: 4px solid var(--accent);
  margin: 0.75rem 0;
  padding: 0.25rem 0.9rem;
  background: var(--band);
}

.note-box {
  border: 2px dashed #5a5a5a;
  padding: 0.6rem 0.9rem;
  margin-top: 0.9rem;
}

details.notes {
  margin-top: 0.9rem;
  border-top: 1px solid #5a5a5a;
  padding-top: 0.5rem;
}
details.notes summary { cursor: pointer; font-weight: 700; color: var(--accent); }
details.notes p { margin: 0.5rem 0 0; }

a { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

ol > li, ul > li { margin: 0.3rem 0; }

@media (max-width: 360px) {
  header, main, footer { padding: 0 0.6rem; }
  .slide { padding: 0.8rem 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

@media print {
  body { font-size: 11pt; }
  .slide { border: 1px solid #444; page-break-after: always; }
  details.notes { display: block; }
  a { color: #000; }
}