/* ==========================================================================
   Kajerkhobor — Arcade Shelf design system
   Palette: deep slate navy base, marquee amber + coral accents, mint score
   Display: Press Start 2P (pixel marquee, used sparingly)
   Body: IBM Plex Sans | Utility/LED: IBM Plex Mono
   ========================================================================== */

:root{
  --bg-base:#10151c;
  --bg-panel:#171e27;
  --bg-panel-raised:#1e2732;
  --bg-inset:#0b0f14;
  --line:#2a3441;
  --line-soft:#212a35;
  --text-primary:#edeff2;
  --text-muted:#8b95a1;
  --text-dim:#5c6875;
  --amber:#ffb238;
  --amber-dim:#8a641f;
  --coral:#ff5d5d;
  --mint:#5eead4;
  --violet:#a78bfa;
  --focus:#ffb238;
  --radius-s:6px;
  --radius-m:10px;
  --radius-l:16px;
  --shadow-cab: 0 1px 0 rgba(255,255,255,0.04) inset, 0 12px 30px rgba(0,0,0,0.35);
  --font-display:'Press Start 2P', monospace;
  --font-body:'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(255,178,56,0.06), transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(255,93,93,0.05), transparent 45%);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{margin:0 0 .5em;font-weight:700;letter-spacing:-0.01em;}
p{margin:0 0 1em;color:var(--text-muted);}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}

a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:3px solid var(--focus);
  outline-offset:2px;
  border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
}

.site-header{
  border-bottom:1px solid var(--line-soft);
  background:rgba(16,21,28,0.9);
  backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:50;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:1180px;margin:0 auto;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-weight:600;font-size:1.05rem;color:var(--text-primary);}
.brand-mark{
  width:34px;height:34px;border-radius:8px;
  background:linear-gradient(155deg,var(--amber),var(--coral));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:.6rem;color:#10151c;
  box-shadow:var(--shadow-cab);
}
.brand small{display:block;color:var(--text-dim);font-weight:400;font-size:.68rem;letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:22px;font-size:.92rem;}
.main-nav a{color:var(--text-muted);padding:6px 2px;border-bottom:2px solid transparent;transition:color .15s, border-color .15s;}
.main-nav a:hover,.main-nav a.active{color:var(--text-primary);border-color:var(--amber);}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-family:var(--font-body);font-weight:600;font-size:.94rem;cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease, background .15s;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--amber);color:#1a1200;box-shadow:0 6px 0 var(--amber-dim);}
.btn-primary:hover{box-shadow:0 4px 0 var(--amber-dim);transform:translateY(2px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-primary);}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);}

.hero{padding:64px 0 40px;}
.hero-eyebrow{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;
  color:var(--mint);text-transform:uppercase;margin-bottom:18px;display:flex;gap:10px;align-items:center;
}
.hero-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint);}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(1.5rem,4vw,2.6rem);
  line-height:1.4;
  max-width:14ch;
  margin-bottom:20px;
}
.hero p.lede{max-width:52ch;font-size:1.05rem;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;}

.scoreboard{
  margin-top:40px;
  background:var(--bg-inset);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:22px 26px;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-cab);
}
.scoreboard-title{font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;}
.scoreboard-digits{display:flex;align-items:baseline;gap:10px;}
.digit-readout{
  font-family:var(--font-mono);font-weight:600;font-size:2.1rem;color:var(--mint);
  background:#06110f;border:1px solid #133;border-radius:6px;padding:2px 14px;
  text-shadow:0 0 12px rgba(94,234,212,.5);letter-spacing:2px;
}
.digit-of{font-family:var(--font-mono);color:var(--text-dim);font-size:1.1rem;}
.scoreboard-hint{font-size:.88rem;color:var(--text-dim);max-width:32ch;}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin:44px 0 22px;}
.filter-pill{
  font-family:var(--font-mono);font-size:.82rem;
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-panel);color:var(--text-muted);cursor:pointer;
  display:flex;align-items:center;gap:8px;transition:all .15s;
}
.filter-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--text-dim);}
.filter-pill[data-cat="classic"] .dot{background:var(--amber);}
.filter-pill[data-cat="brain"] .dot{background:var(--mint);}
.filter-pill[data-cat="action"] .dot{background:var(--coral);}
.filter-pill[data-cat="puzzle"] .dot{background:var(--violet);}
.filter-pill:hover{border-color:var(--text-muted);color:var(--text-primary);}
.filter-pill.active{background:var(--bg-panel-raised);border-color:var(--amber);color:var(--text-primary);}

.game-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:18px;margin-bottom:60px;
}
.game-card{
  background:var(--bg-panel);border:1px solid var(--line-soft);border-radius:var(--radius-m);
  padding:20px;display:flex;flex-direction:column;gap:10px;
  transition:transform .15s ease, border-color .15s ease, background .15s;
  position:relative;overflow:hidden;
}
.game-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(160deg,rgba(255,178,56,.08),transparent 50%);
  opacity:0;transition:opacity .2s;pointer-events:none;
}
.game-card:hover{transform:translateY(-3px);border-color:var(--amber);}
.game-card:hover::after{opacity:1;}
.game-card .cat-tag{
  font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--text-dim);
}
.game-card .icon{font-size:1.8rem;}
.game-card h3{font-size:1.05rem;margin:0;}
.game-card p{font-size:.86rem;margin:0;flex-grow:1;}
.game-card .play-link{
  font-family:var(--font-mono);font-size:.8rem;color:var(--amber);
  display:flex;align-items:center;gap:6px;margin-top:6px;
}
.game-card.played{border-color:var(--mint);}
.game-card .played-badge{
  position:absolute;top:14px;right:14px;font-size:.65rem;font-family:var(--font-mono);
  color:var(--mint);background:rgba(94,234,212,.1);border:1px solid rgba(94,234,212,.3);
  padding:2px 8px;border-radius:999px;
}

.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.section-title h2{font-size:1.5rem;}

.game-page-header{padding:28px 0 18px;}
.game-page-header .back-link{
  font-family:var(--font-mono);font-size:.82rem;color:var(--text-muted);
  display:inline-flex;align-items:center;gap:6px;margin-bottom:16px;
}
.game-page-header .back-link:hover{color:var(--amber);}
.game-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.game-meta h1{font-size:1.7rem;margin:0;}
.game-stage{
  background:var(--bg-inset);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px;margin:22px 0;box-shadow:var(--shadow-cab);
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.game-stage canvas{background:#0b0f14;border-radius:8px;max-width:100%;}
.game-hud{display:flex;gap:22px;flex-wrap:wrap;font-family:var(--font-mono);font-size:.86rem;color:var(--text-muted);}
.game-hud b{color:var(--mint);font-size:1.05rem;}
.game-controls{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.how-to-play{
  background:var(--bg-panel);border:1px solid var(--line-soft);border-radius:var(--radius-m);
  padding:20px 24px;margin:24px 0;
}
.how-to-play h2{font-size:1.1rem;}
.related-games{margin:40px 0 60px;}

.game-description{max-width:760px;margin:36px auto 0;}
.game-description h2{font-size:1.25rem;margin-top:34px;color:var(--text-primary);}
.game-description h2:first-child{margin-top:0;}
.game-description p{font-size:.96rem;line-height:1.7;}

.board-grid{display:grid;gap:6px;}
.cell-btn{
  background:var(--bg-panel-raised);border:1px solid var(--line);border-radius:6px;
  color:var(--text-primary);font-family:var(--font-mono);font-size:1.2rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .1s, border-color .1s;
}
.cell-btn:hover{border-color:var(--amber);}
.cell-btn:disabled{cursor:default;}
.pill-msg{
  font-family:var(--font-mono);font-size:.9rem;color:var(--amber);min-height:1.4em;text-align:center;
}

.site-footer{border-top:1px solid var(--line-soft);margin-top:60px;padding:48px 0 32px;background:var(--bg-inset);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-col h4{font-family:var(--font-mono);font-size:.8rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;}
.footer-col a{display:block;color:var(--text-muted);font-size:.9rem;padding:5px 0;}
.footer-col a:hover{color:var(--amber);}
.footer-brand p{font-size:.88rem;max-width:34ch;}
.footer-bottom{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:.8rem;color:var(--text-dim);
}

.content-page{padding:44px 0 70px;}
.content-page h1{font-family:var(--font-display);font-size:clamp(1.2rem,3vw,1.7rem);line-height:1.5;margin-bottom:22px;}
.content-page h2{font-size:1.2rem;margin-top:34px;}
.content-page .updated{font-family:var(--font-mono);font-size:.8rem;color:var(--text-dim);margin-bottom:30px;}
.content-page ul{color:var(--text-muted);padding-left:1.2em;}
.content-page li{margin-bottom:8px;}
.faq-item{border-bottom:1px solid var(--line-soft);padding:18px 0;}
.faq-item h3{font-size:1rem;margin-bottom:8px;color:var(--text-primary);}

@media (max-width:760px){
  .main-nav{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .scoreboard{flex-direction:column;align-items:flex-start;}
}