/* ============================================================
   KytyPS5 Playground
   ============================================================ */

.pg-wrap {
  max-width: 940px;
  margin: 0 auto;
  padding: 44px 22px 100px;
  font-family: var(--p-sans);
  color: var(--p-ink);
}

.pg-wrap a {
  color: var(--p-accent);
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--p-accent) 45%, transparent);
}
.pg-wrap a:hover { text-decoration-color: currentColor; }
.pg-wrap a:visited { color: var(--p-accent); }

.pg-hero { margin-bottom: 40px; }
.pg-eyebrow {
  font-family: var(--p-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--p-ink-3);
  margin: 0 0 10px;
}
.pg-wrap h1 {
  font-family: var(--p-mono);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 14px;
}
.pg-lede {
  font-family: var(--p-serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--p-ink-2);
  margin: 0;
  max-width: 62ch;
}
.pg-lede strong { color: var(--p-ink); font-weight: 600; }

/* ---------- tool card ---------- */

.pg-tool {
  background: var(--p-surface);
  border: 1px solid var(--p-line);
  border-radius: 14px;
  padding: 22px 24px 20px;
  margin-bottom: 26px;
  box-shadow: var(--p-shadow);
}
.pg-tool > h2 {
  font-family: var(--p-mono);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.pg-badge {
  font-family: var(--p-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-weight: 500;
}
.pg-badge.b-guest { color: var(--c-guest); }
.pg-badge.b-kyty { color: var(--c-kyty); }
.pg-badge.b-host { color: var(--c-host); }

.pg-tool > p.pg-sub {
  font-family: var(--p-serif);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--p-ink-2);
  margin: 0 0 18px;
  max-width: 68ch;
}

.pg-body { }

/* ---------- controls ---------- */

.pg-controls { margin-bottom: 16px; }
.pg-row { margin-bottom: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.pg-lab {
  display: block;
  font-family: var(--p-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--p-ink-3);
  margin-bottom: 6px;
  width: 100%;
}
.pg-inline {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
  width: 100%;
}
.pg-mini {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--p-mono);
  font-size: 11px;
  color: var(--p-ink-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pg-arrow { color: var(--p-ink-3); padding-bottom: 9px; font-size: 16px; }

.pg-ta, .pg-txt, .pg-num, .pg-sel {
  font-family: var(--p-mono);
  font-size: 13px;
  color: var(--p-ink);
  background: var(--p-bg);
  border: 1px solid var(--p-line);
  border-radius: 8px;
  padding: 9px 11px;
  outline: none;
  box-sizing: border-box;
}
.pg-ta { width: 100%; resize: vertical; line-height: 1.55; }
.pg-txt { width: 100%; }
.pg-num { width: 90px; }
.pg-sel { min-width: 240px; }
.pg-ta:focus, .pg-txt:focus, .pg-num:focus, .pg-sel:focus { border-color: var(--p-accent); }

.pg-range { width: 100%; accent-color: var(--c-kyty); }

.pg-btn {
  font-family: var(--p-sans);
  font-size: 13px;
  color: var(--p-ink-2);
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
}
.pg-btn:hover { border-color: var(--p-accent); color: var(--p-ink); }
.pg-btn.pg-demo {
  border-color: var(--c-kyty);
  color: var(--c-kyty);
  font-weight: 600;
  background: transparent;
}
.pg-btn.pg-demo:hover { background: color-mix(in srgb, var(--c-kyty) 12%, transparent); }

.pg-presets { gap: 6px; }
.pg-chip {
  font-family: var(--p-sans);
  font-size: 12px;
  color: var(--p-ink-2);
  background: transparent;
  border: 1px solid var(--p-line);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
}
.pg-chip:hover { border-color: var(--p-accent); color: var(--p-ink); }

/* ---------- drop zone ---------- */

.pg-drop {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1.5px dashed var(--p-line-strong);
  border-radius: 12px;
  padding: 20px 22px;
  cursor: pointer;
  color: var(--p-ink-2);
  font-size: 14px;
  transition: border-color 0.14s, background 0.14s;
  margin-bottom: 12px;
}
.pg-drop:hover, .pg-drop:focus-visible, .pg-drop.pg-over {
  border-color: var(--p-accent);
  background: color-mix(in srgb, var(--p-accent) 6%, transparent);
  outline: none;
}
.pg-drop-i {
  font-size: 22px;
  color: var(--p-ink-3);
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--p-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pg-drop code {
  font-family: var(--p-mono);
  font-size: 0.9em;
  background: var(--p-surface-2);
  border-radius: 3px;
  padding: 0 3px;
}

/* ---------- output ---------- */

.pg-out { margin-top: 4px; }
.pg-out h4 {
  font-family: var(--p-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--p-ink-2);
  margin: 22px 0 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--p-line);
}

.pg-file {
  font-family: var(--p-mono);
  font-size: 13px;
  color: var(--p-ink);
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 7px;
  padding: 7px 11px;
  margin-bottom: 14px;
  word-break: break-all;
}

.pg-hint, .pg-why, .pg-sum {
  font-family: var(--p-serif);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--p-ink-2);
  margin: 10px 0;
}
.pg-hint { color: var(--p-ink-3); }
.pg-why {
  border-left: 2px solid var(--c-kyty);
  padding-left: 12px;
  margin: 0 0 16px;
}
.pg-sum { font-size: 13.5px; color: var(--p-ink-3); }
.pg-warntext { color: var(--c-host); }
.pg-dim { color: var(--p-ink-3); font-weight: 400; }

.pg-note {
  font-family: var(--p-sans);
  font-size: 12px;
  line-height: 1.5;
  color: var(--p-ink-3);
  margin: 4px 0 0;
  max-width: 60ch;
}

.pg-big {
  font-family: var(--p-mono);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 4px 0 12px;
}
.pg-big code {
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 10px;
  padding: 8px 18px;
  display: inline-block;
}

/* ---------- tables ---------- */

.pg-table-scroll, .pg-out { overflow-x: auto; }
.pg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 8px 0 4px;
}
.pg-table.pg-narrow { max-width: 560px; }
.pg-table th {
  text-align: left;
  font-family: var(--p-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--p-ink-3);
  font-weight: 500;
  padding: 6px 10px 6px 0;
  border-bottom: 1px solid var(--p-line);
  white-space: nowrap;
}
.pg-table td {
  padding: 8px 10px 8px 0;
  border-bottom: 1px solid var(--p-line);
  vertical-align: top;
  color: var(--p-ink-2);
}
.pg-table td:first-child { color: var(--p-ink); }
.pg-table code {
  font-family: var(--p-mono);
  font-size: 12px;
  color: var(--p-ink);
}
.pg-table tr.pg-hl td { background: color-mix(in srgb, var(--c-kyty) 9%, transparent); }
.pg-table tr.pg-bad td { background: color-mix(in srgb, var(--c-host) 10%, transparent); }
.pg-table tr.pg-warn td { background: color-mix(in srgb, var(--c-host) 6%, transparent); }
.pg-pay { word-break: break-all; color: var(--p-ink-2) !important; }
.pg-tag {
  font-family: var(--p-mono);
  font-size: 10px;
  color: var(--p-ink-3);
  margin-left: 7px;
  border: 1px solid var(--p-line);
  border-radius: 4px;
  padding: 0 4px;
}

/* ---------- stats ---------- */

.pg-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
  margin: 14px 0 20px;
}
.pg-stat {
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 9px;
  padding: 11px 12px;
}
.pg-stat-n {
  font-family: var(--p-mono);
  font-size: 21px;
  font-weight: 600;
  color: var(--p-ink);
  line-height: 1.1;
}
.pg-stat-l {
  font-size: 11px;
  color: var(--p-ink-3);
  margin-top: 3px;
}

.pg-nids { display: flex; flex-wrap: wrap; gap: 5px; margin: 8px 0; }
.pg-nid {
  font-family: var(--p-mono);
  font-size: 12px;
  background: var(--p-surface-2);
  border: 1px solid var(--p-line);
  border-radius: 5px;
  padding: 3px 7px;
  color: var(--c-guest);
}

.pg-src {
  font-family: var(--p-mono);
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--p-ink-3);
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--p-line);
}
.pg-src code {
  background: var(--p-surface-2);
  border-radius: 3px;
  padding: 1px 4px;
  color: var(--p-ink-2);
}

@media (max-width: 620px) {
  .pg-wrap { padding: 32px 16px 80px; }
  .pg-tool { padding: 18px 16px 16px; border-radius: 12px; }
  .pg-sel { min-width: 100%; }
}

/* ---- Appendix · C++ primer tools ---- */
.pg-sec-h {
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--p-ink-3);
  margin: 0;
}
.pg-badge.b-appx { color: var(--p-accent); }

/* struct layout lab */
.ly-row { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.ly-row .pg-sel { flex: 1; }
.ly-row .pg-btn { padding: 2px 8px; }
.ly-wrap { margin: 12px 0 4px; }
.ly-strip, .ly-scale { display: flex; gap: 2px; flex-wrap: wrap; }
.ly-byte { width: 12px; height: 16px; border-radius: 2px; background: var(--c-guest); flex: 0 0 12px; }
.ly-byte.m2 { background: var(--c-host); }
.ly-byte.pad { background: transparent; outline: 1px dashed var(--p-rule); }
.ly-off { width: 12px; flex: 0 0 12px; font: 9px/16px var(--mono, monospace); color: var(--p-ink-3); text-align: center; }
.pg-check { margin-right: 6px; }

/* jit patch calculator */
.pg-bits { font-family: var(--mono, monospace); color: var(--p-ink-3); }
.pg-bits.oper { color: var(--p-ink); background: var(--p-surface-2); border-radius: 2px; padding: 0 3px; }
.pg-big code b { color: var(--c-kyty); }