/* ============================================================
   KytyPS5 Learning Platform — Examples
   ============================================================ */

html { background: var(--p-bg); }
body { margin: 0; background: var(--p-bg); }

.ex-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 44px 22px 110px;
  font-family: var(--p-sans);
  color: var(--p-ink);
}

/* ---------- table of contents ---------- */

.ex-toc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 4px;
  margin: 0 0 52px;
  padding: 10px;
  background: var(--p-surface);
  border: 1px solid var(--p-line);
  border-radius: 12px;
}
.ex-toc a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--p-ink-2);
  font-size: 13.5px;
  transition: background 0.12s, color 0.12s;
}
.ex-toc a:hover { background: var(--p-surface-2); color: var(--p-ink); }
.ex-toc-n {
  font-family: var(--p-mono);
  font-size: 11px;
  color: var(--p-ink-3);
  border: 1px solid var(--p-line);
  border-radius: 5px;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

/* ---------- example block ---------- */

.ex {
  margin: 0 0 68px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--p-line);
}
.ex:last-of-type { border-bottom: 0; }

.ex-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}
.ex-num {
  font-family: var(--p-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--p-ink-3);
  border: 1px solid var(--p-line);
  border-radius: 9px;
  padding: 8px 10px;
  flex: none;
  line-height: 1;
}
.ex-head h2 {
  font-family: var(--p-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  line-height: 1.2;
}
.ex-meta {
  font-family: var(--p-sans);
  font-size: 12px;
  color: var(--p-ink-3);
  margin: 0;
}
.ex-meta code {
  font-family: var(--p-mono);
  font-size: 11px;
  background: var(--p-surface-2);
  border-radius: 3px;
  padding: 1px 4px;
}
.ex-time { color: var(--p-ink-2); }
.ex-diff {
  font-family: var(--p-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.ex-diff.d1 { color: var(--c-guest); }
.ex-diff.d2 { color: var(--c-kyty); }
.ex-diff.d3 { color: var(--c-host); }

.ex-lede {
  font-family: var(--p-serif);
  font-size: 17px;
  line-height: 1.66;
  color: var(--p-ink-2);
  margin: 0 0 30px;
}
.ex-lede strong { color: var(--p-ink); font-weight: 600; }

/* ---------- steps ---------- */

.ex-step {
  margin: 0 0 26px;
  padding-left: 34px;
  position: relative;
}
.ex-step h3 {
  font-family: var(--p-sans);
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.005em;
  margin: 0 0 9px;
  color: var(--p-ink);
}
.ex-s {
  position: absolute;
  left: 0;
  top: 0;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  color: var(--p-ink-2);
  font-family: var(--p-mono);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ex-step p {
  font-family: var(--p-serif);
  font-size: 16px;
  line-height: 1.68;
  color: var(--p-ink-2);
  margin: 0 0 11px;
}
.ex-step p strong, .ex-step p b { color: var(--p-ink); font-weight: 600; }
.ex-step a { color: var(--p-accent); text-underline-offset: 2px; }
.ex-step code, .ex-end code, .ex-next code {
  font-family: var(--p-mono);
  font-size: 0.855em;
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 4px;
  padding: 0.5px 4px;
  color: var(--p-ink);
  word-break: break-word;
}

.ex-list {
  font-family: var(--p-serif);
  font-size: 16px;
  line-height: 1.66;
  color: var(--p-ink-2);
  margin: 0 0 12px;
  padding-left: 1.3em;
}
.ex-list li { margin-bottom: 6px; }
.ex-list strong { color: var(--p-ink); }

/* ---------- code ---------- */

.ex-pre {
  font-family: var(--p-mono);
  font-size: 12.5px;
  line-height: 1.6;
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 9px;
  padding: 13px 15px;
  overflow-x: auto;
  margin: 0 0 13px;
  color: var(--p-ink);
}
.ex-pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.ex-pre b {
  color: var(--c-kyty);
  font-weight: 600;
  background: color-mix(in srgb, var(--c-kyty) 13%, transparent);
  border-radius: 3px;
  padding: 0 2px;
}

/* ---------- callout ---------- */

.ex-callout {
  font-family: var(--p-serif);
  font-size: 15.5px;
  line-height: 1.64;
  color: var(--p-ink-2);
  background: color-mix(in srgb, var(--c-guest) 8%, transparent);
  border-left: 2px solid var(--c-guest);
  border-radius: 0 9px 9px 0;
  padding: 13px 16px;
  margin: 0 0 14px;
}
.ex-callout b { color: var(--p-ink); font-weight: 600; }
.ex-callout.ex-c-warn {
  background: color-mix(in srgb, var(--c-host) 8%, transparent);
  border-left-color: var(--c-host);
}

/* ---------- next ---------- */

.ex-next {
  font-family: var(--p-serif);
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--p-ink-2);
  background: var(--p-surface);
  border: 1px solid var(--p-line);
  border-radius: 10px;
  padding: 14px 17px;
  margin: 26px 0 0 34px;
}
.ex-next b { color: var(--p-ink); font-weight: 600; }
.ex-next a { color: var(--p-accent); }

/* ---------- closing ---------- */

.ex-end {
  background: var(--p-surface);
  border: 1px solid var(--p-line);
  border-radius: 12px;
  padding: 22px 24px;
}
.ex-end h2 {
  font-family: var(--p-mono);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 10px;
}
.ex-end p {
  font-family: var(--p-serif);
  font-size: 16px;
  line-height: 1.66;
  color: var(--p-ink-2);
  margin: 0 0 10px;
}
.ex-end p:last-child { margin-bottom: 0; }
.ex-end b { color: var(--p-ink); }

@media (max-width: 620px) {
  .ex-wrap { padding: 32px 16px 80px; }
  .ex-head h2 { font-size: 19px; }
  .ex-step { padding-left: 0; }
  .ex-s { position: static; margin-right: 8px; }
  .ex-next { margin-left: 0; }
}