/* KheloHub — Dark Neon Arcade theme. System fonts only, zero external requests. */
:root{
  --bg:#0a0a1a;
  --bg2:#101026;
  --card:#141432;
  --card2:#1a1a3e;
  --pink:#ff2d78;
  --cyan:#00e5ff;
  --violet:#8b5cf6;
  --text:#eef0ff;
  --muted:#9aa0c7;
  --border:#2a2a55;
  --glow-pink:0 0 18px rgba(255,45,120,.55);
  --glow-cyan:0 0 18px rgba(0,229,255,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;
  background-image:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(255,45,120,.08), transparent),
    radial-gradient(ellipse 60% 40% at 85% 10%, rgba(0,229,255,.07), transparent);
  background-attachment:fixed;
}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,10,26,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 24px rgba(0,0,0,.5);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.35rem;letter-spacing:.5px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-logo{width:36px;height:36px;filter:drop-shadow(0 0 8px rgba(255,45,120,.7))}
.brand .hub{color:var(--pink);text-shadow:var(--glow-pink)}
.site-nav{display:flex;gap:4px;flex-wrap:wrap}
.site-nav a{color:var(--muted);padding:8px 14px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent}
.site-nav a:hover,.site-nav a.active{color:var(--text);border-color:var(--pink);text-decoration:none;box-shadow:var(--glow-pink)}

/* Hero */
.hero{text-align:center;padding:64px 20px 44px}
.hero-badge{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:2px;color:var(--cyan);border:1px solid var(--cyan);border-radius:999px;padding:6px 18px;margin-bottom:18px;box-shadow:var(--glow-cyan);text-transform:uppercase}
.hero h1{font-size:clamp(2.2rem,6vw,3.6rem);font-weight:900;letter-spacing:-1px;line-height:1.1;margin-bottom:14px}
.hero h1 .neon-pink{color:var(--pink);text-shadow:var(--glow-pink)}
.hero h1 .neon-cyan{color:var(--cyan);text-shadow:var(--glow-cyan)}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 26px;font-size:1.08rem}
.btn{display:inline-block;font-weight:800;padding:14px 34px;border-radius:12px;border:0;cursor:pointer;font-size:1rem}
.btn-pink{background:linear-gradient(135deg,var(--pink),#ff6aa5);color:#fff;box-shadow:var(--glow-pink)}
.btn-pink:hover{transform:translateY(-2px);text-decoration:none;color:#fff}
.btn-ghost{background:transparent;color:var(--cyan);border:2px solid var(--cyan);box-shadow:var(--glow-cyan)}
.btn-ghost:hover{text-decoration:none;background:rgba(0,229,255,.1)}

/* Category filter */
.filter-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:6px 0 30px}
.filter-btn{background:var(--card);color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:9px 22px;font-weight:700;cursor:pointer;font-size:.95rem}
.filter-btn:hover{color:var(--text);border-color:var(--cyan)}
.filter-btn.active{background:linear-gradient(135deg,var(--pink),var(--violet));color:#fff;border-color:transparent;box-shadow:var(--glow-pink)}

/* Game grid */
.game-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px;padding-bottom:20px}
.game-card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:18px;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--glow-pink);border-color:var(--pink);text-decoration:none}
.game-tile{height:150px;display:flex;align-items:center;justify-content:center;font-size:4rem;background:radial-gradient(circle at 50% 30%,rgba(255,45,120,.16),transparent 70%),radial-gradient(circle at 80% 80%,rgba(0,229,255,.12),transparent 60%),#0d0d22;border-bottom:1px solid var(--border)}
.game-card-body{padding:16px 18px 20px;flex:1;display:flex;flex-direction:column}
.game-card h3{font-size:1.12rem;margin-bottom:6px;color:var(--text)}
.game-card p{color:var(--muted);font-size:.9rem;flex:1;margin-bottom:12px}
.cat-tag{align-self:flex-start;font-size:.72rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--cyan);border:1px solid var(--cyan);padding:3px 12px;border-radius:999px;margin-bottom:10px}
.play-link{font-weight:800;color:var(--pink)}
.play-link:hover{text-shadow:var(--glow-pink)}

/* Game page */
.game-hero{text-align:center;padding:44px 20px 8px}
.game-hero h1{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:900;letter-spacing:-.5px}
.game-hero h1 .neon-pink{color:var(--pink);text-shadow:var(--glow-pink)}
.game-meta{display:flex;gap:10px;justify-content:center;align-items:center;margin-top:12px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.game-stage{max-width:720px;margin:26px auto;padding:22px;background:linear-gradient(180deg,var(--card),#0d0d22);border:1px solid var(--border);border-radius:20px;box-shadow:0 0 40px rgba(255,45,120,.12)}
.game-canvas-wrap{position:relative;background:#050514;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.game-canvas-wrap canvas{display:block;width:100%;height:auto;touch-action:none}
.hud{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.hud .score{font-weight:800;font-size:1.05rem;color:var(--cyan)}
.hud .best{color:var(--muted);font-size:.9rem}
.game-controls{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.game-note{color:var(--muted);font-size:.85rem;text-align:center;margin-top:10px}
.game-guide{max-width:720px;margin:10px auto 0;padding:0 20px}
.game-guide h2{font-size:1.35rem;margin:30px 0 12px;color:var(--text);border-left:4px solid var(--pink);padding-left:14px}
.game-guide h3{font-size:1.1rem;margin:20px 0 8px;color:var(--cyan)}
.game-guide p{margin-bottom:14px;color:#d6d9f2}
.game-guide ul,.game-guide ol{margin:0 0 16px 24px;color:#d6d9f2}
.game-guide li{margin-bottom:8px}
kbd{background:#22224a;border:1px solid var(--border);border-bottom-width:3px;border-radius:6px;padding:2px 8px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88em;color:var(--cyan)}

/* Static pages */
.page-hero{text-align:center;padding:52px 20px 10px}
.page-hero h1{font-size:clamp(1.9rem,5vw,2.9rem);font-weight:900}
.page-hero h1 .neon-pink{color:var(--pink);text-shadow:var(--glow-pink)}
.prose{max-width:760px;margin:0 auto;padding:10px 20px 60px}
.prose h2{font-size:1.4rem;margin:32px 0 12px;color:var(--text);border-left:4px solid var(--cyan);padding-left:14px}
.prose p{margin-bottom:14px;color:#d6d9f2}
.prose ul,.prose ol{margin:0 0 16px 24px;color:#d6d9f2}
.prose li{margin-bottom:8px}
.prose a{color:var(--cyan)}

/* 404 */
.error-wrap{text-align:center;padding:90px 20px;max-width:560px;margin:0 auto}
.error-code{font-size:clamp(5rem,20vw,9rem);font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:3px var(--pink);text-shadow:0 0 40px rgba(255,45,120,.35);margin-bottom:10px}
.error-wrap h1{font-size:1.8rem;margin-bottom:12px}
.error-wrap p{color:var(--muted);margin-bottom:28px}

/* Footer */
.site-footer{border-top:1px solid var(--border);margin-top:50px;background:#080814}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding-top:26px;padding-bottom:26px}
.site-footer nav{display:flex;gap:18px;flex-wrap:wrap}
.site-footer nav a{color:var(--muted);font-size:.92rem}
.site-footer .copy{color:var(--muted);font-size:.88rem}

/* Section headers */
.section-head{display:flex;align-items:center;gap:14px;margin:34px 0 22px}
.section-head h2{font-size:1.5rem;font-weight:800;white-space:nowrap}
.section-head .rule{flex:1;height:1px;background:linear-gradient(90deg,var(--pink),transparent)}

.stats-row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:0 0 8px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 26px;text-align:center}
.stat .num{font-size:1.6rem;font-weight:900;color:var(--pink);text-shadow:var(--glow-pink)}
.stat .lbl{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:1px}

@media (max-width:560px){
  .hero{padding:44px 16px 30px}
  .game-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
  .game-tile{height:110px;font-size:3rem}
  .site-header .wrap{justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ---- Mobile drawer navigation (≤860px) ---- */
.kh-burger{display:none;background:transparent;border:1px solid var(--pink);border-radius:10px;width:44px;height:42px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px;box-shadow:var(--glow-pink)}
.kh-burger span{display:block;width:22px;height:2px;background:var(--pink);border-radius:2px;box-shadow:0 0 6px rgba(255,45,120,.8)}
.kh-overlay{position:fixed;inset:0;background:rgba(4,4,12,.65);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:98}
.kh-overlay.show{opacity:1;visibility:visible}
.kh-drawer{position:fixed;top:0;right:0;height:100dvh;width:min(320px,84vw);background:linear-gradient(180deg,#101026,#0a0a1a);border-left:1px solid var(--pink);box-shadow:-8px 0 40px rgba(255,45,120,.25);transform:translateX(105%);transition:transform .28s ease;z-index:99;display:flex;flex-direction:column;padding:20px}
.kh-drawer.open{transform:translateX(0)}
.kh-close{align-self:flex-end;background:transparent;border:1px solid var(--border);color:var(--text);font-size:1.6rem;line-height:1;width:42px;height:42px;border-radius:10px;cursor:pointer}
.kh-close:hover{border-color:var(--pink);color:var(--pink)}
.kh-drawer-title{font-size:.78rem;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);margin:6px 0 14px;text-shadow:var(--glow-cyan)}
.kh-drawer-nav{display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.kh-drawer-nav a{color:var(--text);font-weight:700;font-size:1.05rem;padding:12px 14px;border-radius:12px;border:1px solid transparent}
.kh-drawer-nav a:hover,.kh-drawer-nav a.active{color:var(--pink);border-color:var(--pink);text-decoration:none;background:rgba(255,45,120,.07);box-shadow:var(--glow-pink)}
body.kh-locked{overflow:hidden}

@media (max-width:860px){
  .site-header .site-nav{display:none}
  .kh-burger{display:inline-flex}
  .site-header .wrap{justify-content:space-between}
}

/* Compact sticky header on scroll - mobile (added 2026-10-02) */
@media (max-width:860px){
.site-header{transition:padding .22s ease,box-shadow .22s ease}
.site-header.scrolled{padding-top:8px!important;padding-bottom:8px!important;box-shadow:0 2px 14px rgba(0,0,0,.14)}
.site-header.scrolled img{max-height:30px!important;width:auto}
.site-header.scrolled .site-name{font-size:1.05rem!important}
}