/* ──────────────────────────────────────────────────────────────────────────────
   Playoku — content pages (How to Play, Tips, landing pages, etc.)
   Standalone, zero-JS pages served straight from /public. Reuses the app's
   design tokens so they feel like one site, but ships none of the game CSS.
   ────────────────────────────────────────────────────────────────────────────── */

:root {
  --c-bg:           #f0f4f8;
  --c-surface:      #ffffff;
  --c-border:       #cbd5e1;
  --c-text:         #0f172a;
  --c-text-muted:   #64748b;
  --c-accent:       #2563eb;
  --c-accent-hover: #1d4ed8;
  --c-accent-soft:  #dbeafe;
  --card-shadow: 0 12px 40px -10px rgba(15,23,42,.18), 0 3px 10px -3px rgba(15,23,42,.08);
}

/* Follow the OS theme unless the visitor picked one in the app (.light/.dark). */
@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    --c-bg:           #0d1117;
    --c-surface:      #161b22;
    --c-border:       #263040;
    --c-text:         #e2e8f0;
    --c-text-muted:   #8b97a8;
    --c-accent:       #3b82f6;
    --c-accent-hover: #60a5fa;
    --c-accent-soft:  #172554;
    --card-shadow: 0 12px 44px -8px rgba(0,0,0,.55), 0 3px 12px -3px rgba(0,0,0,.4);
  }
}
:root.dark {
  --c-bg:           #0d1117;
  --c-surface:      #161b22;
  --c-border:       #263040;
  --c-text:         #e2e8f0;
  --c-text-muted:   #8b97a8;
  --c-accent:       #3b82f6;
  --c-accent-hover: #60a5fa;
  --c-accent-soft:  #172554;
  --card-shadow: 0 12px 44px -8px rgba(0,0,0,.55), 0 3px 12px -3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.65;
  font-size: 1.0625rem;
}

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Top nav ─────────────────────────────────────────────────────────────────── */
.pk-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px clamp(16px, 5vw, 32px);
  background: color-mix(in srgb, var(--c-bg) 86%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.pk-brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-text);
}
.pk-brand:hover { text-decoration: none; }
.pk-brand span { color: var(--c-accent); }
.pk-play {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--c-accent);
  color: #fff;
}
.pk-play:hover { background: var(--c-accent-hover); text-decoration: none; }

/* ── Layout ──────────────────────────────────────────────────────────────────── */
.pk-main {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(20px, 5vw, 44px) clamp(16px, 5vw, 32px) 8px;
}

.pk-crumb {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  margin: 0 0 14px;
}
.pk-crumb a { color: var(--c-text-muted); }

h1 {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 10px;
}
.pk-lede {
  font-size: 1.15rem;
  color: var(--c-text-muted);
  margin: 0 0 28px;
}

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 36px 0 12px;
}
h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 26px 0 8px;
}
p { margin: 0 0 16px; }

ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 8px; }
li::marker { color: var(--c-accent); }

strong { font-weight: 700; }

.pk-main img { max-width: 100%; height: auto; }

/* ── Callout / CTA card ──────────────────────────────────────────────────────── */
.pk-cta {
  margin: 32px 0;
  padding: 24px;
  border-radius: 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  box-shadow: var(--card-shadow);
  text-align: center;
}
.pk-cta h2 { margin: 0 0 6px; }
.pk-cta p { margin: 0 0 16px; color: var(--c-text-muted); }
.pk-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  background: var(--c-accent);
  color: #fff;
}
.pk-btn:hover { background: var(--c-accent-hover); text-decoration: none; }

/* Inline difficulty/size chips */
.pk-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.pk-chips li { margin: 0; }
.pk-chips a {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
}
.pk-chips a:hover { border-color: var(--c-accent); color: var(--c-accent); text-decoration: none; }

/* FAQ */
.pk-faq h3 { margin-bottom: 4px; }

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.pk-foot {
  max-width: 720px;
  margin: 40px auto 0;
  padding: 24px clamp(16px, 5vw, 32px) 36px;
  border-top: 1px solid var(--c-border);
  text-align: center;
}
.pk-foot-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}
.pk-foot-legal {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin: 0;
}
.pk-foot-legal strong { color: var(--c-text); }