/* ============================================================
   משחקייה - Design System
   ============================================================ */
:root{
  --bg:#eef0f8;
  --bg-2:#e7e9f6;
  --mesh-1:rgba(109,94,252,.14);
  --mesh-2:rgba(255,122,89,.10);
  --mesh-3:rgba(47,191,113,.10);
  --surface:#ffffff;
  --surface-2:#f2f3fb;
  --surface-3:#e9ebf6;
  --border:#e4e6f2;
  --border-strong:#d3d6ea;
  --text:#191a2b;
  --text-2:#454767;
  --muted:#7a7d99;
  --brand:#6d5efc;
  --brand-2:#9a6bff;
  --brand-3:#c084fc;
  --accent:#ff7a59;
  --good:#22b36b;
  --warn:#f5a623;
  --bad:#ef4565;
  --ring:rgba(109,94,252,.35);
  --shadow-xs:0 1px 2px rgba(30,25,80,.06);
  --shadow-sm:0 2px 8px rgba(40,35,100,.07), 0 1px 2px rgba(40,35,100,.05);
  --shadow:0 12px 34px -8px rgba(50,40,120,.18), 0 4px 12px -4px rgba(50,40,120,.10);
  --shadow-lg:0 30px 60px -18px rgba(50,40,120,.30);
  --radius:22px;
  --radius-sm:14px;
  --radius-xs:11px;
  --maxw:1120px;
  --font:'Rubik',system-ui,'Segoe UI',Arial,sans-serif;
}
:root[data-theme="dark"]{
  --bg:#0c0d1a;
  --bg-2:#111225;
  --mesh-1:rgba(122,108,255,.20);
  --mesh-2:rgba(255,122,89,.10);
  --mesh-3:rgba(47,191,113,.10);
  --surface:#171830;
  --surface-2:#1f2140;
  --surface-3:#272a4d;
  --border:#2a2c4e;
  --border-strong:#363a63;
  --text:#eef0ff;
  --text-2:#c3c6ea;
  --muted:#9092bb;
  --brand:#8b7bff;
  --brand-2:#b78bff;
  --brand-3:#cf9bff;
  --accent:#ff8f70;
  --ring:rgba(139,123,255,.45);
  --shadow-xs:0 1px 2px rgba(0,0,0,.4);
  --shadow-sm:0 2px 10px rgba(0,0,0,.35);
  --shadow:0 18px 44px -12px rgba(0,0,0,.6), 0 6px 16px -6px rgba(0,0,0,.45);
  --shadow-lg:0 34px 70px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--text);
  background:
    radial-gradient(60% 45% at 100% 0%, var(--mesh-2), transparent 70%),
    radial-gradient(55% 40% at 0% 5%, var(--mesh-1), transparent 65%),
    radial-gradient(50% 45% at 50% 100%, var(--mesh-3), transparent 70%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  background-attachment:fixed;
  min-height:100dvh;display:flex;flex-direction:column;
  -webkit-tap-highlight-color:transparent;overflow-x:hidden;
  letter-spacing:-.01em;
}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit}
.muted{color:var(--muted)}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:8px}
.skip-link{position:absolute;right:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:100}
.skip-link:focus{right:0}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:40;backdrop-filter:saturate(160%) blur(14px);
  background:color-mix(in srgb, var(--surface) 78%, transparent);
  border-bottom:1px solid var(--border)}
.topbar-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:11px 18px;gap:12px}
.brand{display:flex;align-items:center;gap:11px;background:none;border:0;cursor:pointer;color:var(--text);padding:6px 8px;border-radius:13px;transition:.15s}
.brand:hover{background:var(--surface-2)}
.brand-logo{font-size:25px;filter:drop-shadow(0 4px 10px rgba(109,94,252,.45))}
.brand-text{font-weight:800;font-size:21px;letter-spacing:-.02em;
  background:linear-gradient(92deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.topbar-actions{display:flex;gap:8px}
.icon-btn{width:43px;height:43px;border-radius:13px;border:1px solid var(--border);background:var(--surface);
  cursor:pointer;font-size:19px;display:grid;place-items:center;color:var(--text);transition:transform .12s, background .2s, border-color .2s}
.icon-btn:hover{background:var(--surface-2);border-color:var(--border-strong)}
.icon-btn:active{transform:scale(.9)}
.icon-btn .icon-off{display:none}
:root[data-theme="dark"] .icon-btn .icon-on{display:none}
:root[data-theme="dark"] .icon-btn .icon-off{display:inline}
body.sound-off #soundBtn .icon-on{display:none}
body.sound-off #soundBtn .icon-off{display:inline}
#soundBtn .icon-off{display:none}

/* ---------- Layout ---------- */
.main{flex:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:14px 18px 48px}
.site-footer{max-width:var(--maxw);margin:0 auto;width:100%;padding:30px 18px 44px;text-align:center;color:var(--muted);font-size:13.5px}
.site-footer p{margin:5px 0}

/* ---------- Hero ---------- */
.hero{text-align:center;padding:30px 12px 8px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--text-2);
  background:var(--surface);border:1px solid var(--border);padding:7px 15px;border-radius:999px;box-shadow:var(--shadow-xs)}
.eyebrow b{color:var(--brand);font-weight:800}
.hero h1{font-size:clamp(30px,6.2vw,52px);margin:16px 0 10px;font-weight:800;letter-spacing:-.03em;line-height:1.08;
  background:linear-gradient(96deg,var(--text) 10%,var(--brand) 55%,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{margin:0 auto;max-width:600px;color:var(--muted);font-size:clamp(15px,2.4vw,18px);line-height:1.6}
.search-wrap{position:relative;max-width:440px;margin:22px auto 4px}
.search-input{width:100%;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);
  padding:14px 48px 14px 18px;border-radius:16px;font-size:16px;font-family:inherit;box-shadow:var(--shadow-sm);transition:.18s}
.search-input::placeholder{color:var(--muted)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.search-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:18px;opacity:.6;pointer-events:none}
.chips{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin:18px auto 4px;max-width:640px}
.chip{border:1px solid var(--border);background:var(--surface);color:var(--text-2);
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.16s;box-shadow:var(--shadow-xs)}
.chip:hover{color:var(--text);border-color:var(--border-strong);transform:translateY(-1px)}
.chip.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;box-shadow:0 6px 16px -4px var(--ring)}

/* ---------- Games grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:18px;margin-top:26px}
.card{position:relative;text-align:right;border:1px solid var(--border);background:var(--surface);
  border-radius:var(--radius);padding:22px 20px 20px;cursor:pointer;overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s cubic-bezier(.3,.8,.4,1), box-shadow .2s, border-color .2s;color:var(--text);
  opacity:0;transform:translateY(14px);animation:cardIn .5s cubic-bezier(.2,.7,.3,1) forwards}
@keyframes cardIn{to{opacity:1;transform:none}}
.card::after{content:"";position:absolute;top:0;right:0;left:0;height:4px;
  background:linear-gradient(90deg,var(--c1,#6d5efc),var(--c2,#9a6bff));opacity:.85;transition:opacity .2s}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 100% 0%, color-mix(in srgb,var(--c1,#6d5efc) 12%, transparent), transparent 55%);opacity:0;transition:opacity .25s}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--c1,#6d5efc) 40%, var(--border))}
.card:hover::before{opacity:1}
.card:active{transform:translateY(-3px)}
.card-emoji{display:inline-grid;place-items:center;width:56px;height:56px;font-size:30px;margin-bottom:14px;position:relative;
  border-radius:16px;background:linear-gradient(150deg,color-mix(in srgb,var(--c1,#6d5efc) 18%, var(--surface)),color-mix(in srgb,var(--c2,#9a6bff) 12%, var(--surface)));
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c1,#6d5efc) 22%, transparent)}
.card h3{margin:0 0 6px;font-size:18.5px;font-weight:800;letter-spacing:-.02em;position:relative}
.card p{margin:0;color:var(--muted);font-size:13.5px;position:relative;line-height:1.5;min-height:40px}
.card-meta{display:flex;gap:8px;margin-top:15px;position:relative;flex-wrap:wrap;align-items:center}
.tag{font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.tag.best{background:color-mix(in srgb,var(--good) 15%, var(--surface));color:var(--good);border-color:color-mix(in srgb,var(--good) 30%, transparent)}
.card-play{position:absolute;left:18px;bottom:20px;width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-size:15px;
  box-shadow:0 8px 18px -4px var(--ring);opacity:0;transform:translateX(-8px) scale(.8);transition:.22s}
.card:hover .card-play{opacity:1;transform:translateX(0) scale(1)}
.empty-msg{text-align:center;color:var(--muted);padding:50px 20px;font-size:16px;grid-column:1/-1}

/* ---------- Game view ---------- */
.game-view{animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.game-head{display:flex;align-items:center;gap:12px;margin:8px 0 20px;flex-wrap:wrap}
.back-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);
  color:var(--text);padding:10px 15px;border-radius:13px;cursor:pointer;font-weight:600;font-size:14px;box-shadow:var(--shadow-xs);transition:.15s}
.back-btn:hover{background:var(--surface-2);border-color:var(--border-strong)}
.back-btn span{font-size:18px;line-height:1}
.game-title{display:flex;align-items:center;gap:11px;margin:0;font-size:23px;font-weight:800;letter-spacing:-.02em}
.game-title .g-emoji{font-size:27px}
.game-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm)}
.game-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.stat{display:flex;flex-direction:column;align-items:center;background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:9px 16px;min-width:76px}
.stat b{font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.stat span{font-size:11.5px;color:var(--muted);margin-top:3px;font-weight:600}
.spacer{flex:1}

/* ---------- Buttons ---------- */
.btn{border:1px solid transparent;border-radius:13px;padding:11px 18px;font-weight:700;font-size:15px;cursor:pointer;
  background:var(--surface-2);color:var(--text);transition:transform .12s, filter .2s, box-shadow .2s;display:inline-flex;align-items:center;gap:8px}
.btn:hover{filter:brightness(.98)}
.btn:active{transform:scale(.96)}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 22px -6px var(--ring)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;border:1px solid var(--border-strong);color:var(--text)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.small{padding:9px 14px;font-size:13.5px;border-radius:11px}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:13px;padding:4px;gap:3px}
.seg button{border:0;background:none;padding:8px 14px;border-radius:9px;cursor:pointer;font-weight:700;color:var(--muted);font-size:13px;transition:.15s}
.seg button:hover{color:var(--text)}
.seg button.active{background:var(--surface);color:var(--brand);box-shadow:var(--shadow-xs)}
:root[data-theme="dark"] .seg button.active{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}

.center{display:flex;justify-content:center}
.wrap-center{display:flex;flex-direction:column;align-items:center;gap:16px}
.status-line{text-align:center;font-weight:700;font-size:17px;min-height:24px;margin:2px 0 14px}
.hint{color:var(--muted);font-size:13px;text-align:center;line-height:1.5}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(30px);
  background:var(--text);color:var(--bg);padding:12px 22px;border-radius:14px;font-weight:700;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.3s;z-index:80;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Modal ---------- */
.modal-back{position:fixed;inset:0;background:rgba(15,16,32,.6);backdrop-filter:blur(4px);
  display:grid;place-items:center;z-index:70;opacity:0;pointer-events:none;transition:.25s;padding:20px}
.modal-back.show{opacity:1;pointer-events:auto}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:30px 26px;text-align:center;
  max-width:370px;width:100%;box-shadow:var(--shadow-lg);transform:scale(.9) translateY(10px);transition:.28s cubic-bezier(.2,.9,.3,1)}
.modal-back.show .modal{transform:none}
.modal .big{font-size:56px;margin-bottom:4px;line-height:1;animation:popBig .5s cubic-bezier(.2,1.3,.4,1)}
@keyframes popBig{from{transform:scale(0)}to{transform:scale(1)}}
.modal h2{margin:8px 0 6px;font-size:26px;font-weight:800;letter-spacing:-.02em}
.modal p{color:var(--muted);margin:0 0 20px;line-height:1.5}
.modal .btn{width:100%;justify-content:center;margin-top:8px}

/* ---------- Confetti ---------- */
.confetti{position:fixed;top:-12px;width:10px;height:14px;z-index:90;pointer-events:none;border-radius:2px}

/* ============================================================
   GAMES
   ============================================================ */
/* Memory */
.mem-grid{display:grid;gap:10px;margin:0 auto;width:100%;max-width:480px}
.mem-card{aspect-ratio:1;border-radius:14px;border:0;cursor:pointer;position:relative;transform-style:preserve-3d;transition:transform .4s;background:transparent;padding:0}
.mem-card.flip{transform:rotateY(180deg)}
.mem-face{position:absolute;inset:0;border-radius:14px;display:grid;place-items:center;backface-visibility:hidden;font-size:clamp(24px,7vw,38px)}
.mem-front{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-size:24px;box-shadow:var(--shadow-xs)}
.mem-back{background:var(--surface-2);transform:rotateY(180deg);border:2px solid var(--border)}
.mem-card.matched .mem-back{background:color-mix(in srgb,var(--good) 22%, var(--surface));border-color:var(--good)}

/* Tic Tac Toe */
.ttt-board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:min(320px,86vw);margin:0 auto}
.ttt-cell{aspect-ratio:1;border-radius:16px;border:2px solid var(--border);background:var(--surface-2);
  font-size:clamp(38px,12vw,58px);font-weight:900;cursor:pointer;display:grid;place-items:center;line-height:1;transition:.15s}
.ttt-cell:hover:not(.filled){background:var(--surface);border-color:var(--brand)}
.ttt-cell.x{color:var(--brand)}
.ttt-cell.o{color:var(--accent)}
.ttt-cell.win{background:color-mix(in srgb,var(--good) 25%, var(--surface));border-color:var(--good)}
.score-row{display:flex;gap:10px;justify-content:center;margin-top:6px}

/* Connect 4 */
.c4-board{background:linear-gradient(135deg,#3b3fd6,#6d5efc);padding:10px;border-radius:18px;display:grid;gap:8px;margin:0 auto;box-shadow:var(--shadow);width:min(420px,92vw)}
.c4-row{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.c4-cell{aspect-ratio:1;border-radius:50%;background:#eef0ff;position:relative;overflow:hidden}
:root[data-theme="dark"] .c4-cell{background:#0f1020}
.c4-disc{position:absolute;inset:0;border-radius:50%;animation:drop .35s cubic-bezier(.4,1.4,.5,1)}
.c4-disc.red{background:radial-gradient(circle at 35% 30%,#ff9a8b,#ef4565)}
.c4-disc.yellow{background:radial-gradient(circle at 35% 30%,#ffe08a,#f5a623)}
.c4-disc.win{box-shadow:0 0 0 3px #fff, 0 0 14px #fff inset}
@keyframes drop{from{transform:translateY(-340px)}to{transform:translateY(0)}}
.c4-cols{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;width:min(420px,92vw);margin:0 auto 8px}
.c4-colbtn{border:0;background:var(--surface-2);border-radius:10px;padding:6px 0;cursor:pointer;color:var(--brand);font-size:18px;font-weight:900;transition:.12s}
.c4-colbtn:hover{background:var(--brand);color:#fff}
.c4-colbtn:disabled{opacity:.35;cursor:not-allowed}

/* Snake + generic canvas/dpad */
.canvas-wrap{display:flex;justify-content:center}
canvas.game-canvas{background:var(--surface-2);border-radius:16px;border:2px solid var(--border);touch-action:none;max-width:100%}
.dpad{display:grid;grid-template-columns:repeat(3,60px);grid-template-rows:repeat(3,60px);gap:8px;justify-content:center;margin-top:16px}
.dpad button{border:1px solid var(--border);background:var(--surface-2);border-radius:14px;font-size:22px;cursor:pointer;color:var(--text);transition:.1s}
.dpad button:active{background:var(--brand);color:#fff}
.dpad .up{grid-column:2;grid-row:1}.dpad .left{grid-column:1;grid-row:2}
.dpad .right{grid-column:3;grid-row:2}.dpad .down{grid-column:2;grid-row:3}

/* Color sequence (simon-style) */
.simon{width:min(320px,80vw);aspect-ratio:1;margin:0 auto;position:relative;border-radius:50%;
  background:var(--surface-2);display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:10px;padding:10px;box-shadow:var(--shadow)}
.simon-pad{cursor:pointer;opacity:.55;transition:opacity .12s, filter .12s;border:0}
.simon-pad.lit{opacity:1;filter:brightness(1.4) drop-shadow(0 0 16px currentColor)}
.simon-pad.green{background:#2fbf71;border-radius:100% 0 0 0}
.simon-pad.red{background:#ef4565;border-radius:0 100% 0 0}
.simon-pad.yellow{background:#f5a623;border-radius:0 0 0 100%}
.simon-pad.blue{background:#4b7bec;border-radius:0 0 100% 0}
.simon-center{position:absolute;inset:32%;background:var(--surface);border-radius:50%;display:grid;place-items:center;text-align:center;font-weight:900;box-shadow:var(--shadow-sm);cursor:pointer}
.simon-center b{font-size:26px}
.simon-center span{font-size:11px;color:var(--muted)}

/* Slide puzzle */
.slide{display:grid;gap:8px;background:var(--surface-2);padding:10px;border-radius:16px;width:min(360px,90vw);margin:0 auto;aspect-ratio:1}
.slide-tile{border:0;border-radius:12px;font-size:clamp(22px,7vw,34px);font-weight:900;cursor:pointer;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;transition:.1s}
.slide-tile.empty{background:transparent;cursor:default;box-shadow:none}
.slide-tile:not(.empty):hover{filter:brightness(1.06)}

/* Minesweeper */
.mine-grid{display:grid;gap:3px;margin:0 auto;justify-content:center;background:var(--border);padding:4px;border-radius:12px;width:max-content;max-width:100%;overflow:auto}
.mine-cell{width:34px;height:34px;border:0;border-radius:6px;background:var(--surface-2);cursor:pointer;font-weight:900;font-size:16px;display:grid;place-items:center;color:var(--text);padding:0}
.mine-cell.rev{background:var(--surface);cursor:default}
.mine-cell.mine{background:var(--bad);color:#fff}
.mine-cell.flag{background:color-mix(in srgb,var(--warn) 25%, var(--surface))}
.mc1{color:#4b7bec}.mc2{color:#2fbf71}.mc3{color:#ef4565}.mc4{color:#8b5cf6}
.mc5{color:#f5a623}.mc6{color:#14b8a6}.mc7{color:#6a6c81}.mc8{color:#111}

/* Whack a mole */
.whack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:min(380px,90vw);margin:0 auto}
.hole{aspect-ratio:1;background:radial-gradient(circle at 50% 120%, #5a4636, #2c2016);border-radius:50%;position:relative;overflow:hidden;box-shadow:inset 0 -8px 16px rgba(0,0,0,.4)}
.mole{position:absolute;left:12%;right:12%;bottom:-100%;top:auto;height:76%;border-radius:50% 50% 45% 45%;background:radial-gradient(circle at 40% 30%,#b98a5a,#7a5230);transition:bottom .12s;cursor:pointer;display:grid;place-items:center;font-size:34px}
.hole.up .mole{bottom:8%}
.hole.bonk .mole{background:radial-gradient(circle at 40% 30%,#ffd36b,#f5a623)}

/* RPS */
.rps-choices{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.rps-btn{width:96px;height:96px;border-radius:24px;border:2px solid var(--border);background:var(--surface-2);font-size:44px;cursor:pointer;transition:.15s}
.rps-btn:hover{border-color:var(--brand);transform:translateY(-4px)}
.rps-arena{display:flex;align-items:center;justify-content:center;gap:20px;margin:10px 0;min-height:120px}
.rps-hand{font-size:64px}
.rps-vs{font-weight:900;color:var(--muted);font-size:20px}
.rps-side{text-align:center}
.rps-side span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* Reaction */
.reaction-box{width:100%;max-width:460px;margin:0 auto;min-height:260px;border-radius:20px;display:grid;place-items:center;text-align:center;cursor:pointer;user-select:none;font-weight:800;font-size:22px;color:#fff;transition:background .15s}
.reaction-box.wait{background:linear-gradient(135deg,#4b5573,#333a55)}
.reaction-box.ready{background:linear-gradient(135deg,#2fbf71,#20a35c)}
.reaction-box.now{background:linear-gradient(135deg,#ef4565,#c9304d)}
.reaction-box small{display:block;font-size:15px;font-weight:600;opacity:.85;margin-top:8px}

/* Gomoku */
.gomoku-board{display:grid;width:min(94vw,470px);margin:0 auto;background:#e6c583;border:3px solid #c49a54;border-radius:10px;overflow:hidden;box-shadow:var(--shadow-sm)}
.gomoku-cell{aspect-ratio:1;border:0.5px solid rgba(80,50,10,.28);background:transparent;cursor:pointer;display:grid;place-items:center;padding:0}
.gomoku-cell:hover .stone{opacity:.35}
.gomoku-cell .stone{width:82%;height:82%;border-radius:50%}
.gomoku-cell .stone.p1{background:radial-gradient(circle at 34% 30%,#7aa5ff,#2f5fd0);box-shadow:0 1px 2px rgba(0,0,0,.4)}
.gomoku-cell .stone.p2{background:radial-gradient(circle at 34% 30%,#ff8f8f,#d1263f);box-shadow:0 1px 2px rgba(0,0,0,.4)}
.gomoku-cell.last{box-shadow:inset 0 0 0 2px var(--brand)}
.gomoku-cell.win{background:rgba(47,191,113,.55)}

/* Reversi */
.reversi-board{display:grid;grid-template-columns:repeat(8,1fr);width:min(92vw,440px);margin:0 auto;gap:3px;background:#1f7a4d;padding:8px;border-radius:12px;box-shadow:var(--shadow-sm)}
.reversi-cell{aspect-ratio:1;background:#2a9d63;border:0;border-radius:5px;cursor:pointer;display:grid;place-items:center;padding:0}
.reversi-cell:hover{background:#33b673}
.reversi-cell .disc{width:80%;height:80%;border-radius:50%;animation:pop .2s}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.12)}100%{transform:scale(1)}}
.reversi-cell .disc.d1{background:radial-gradient(circle at 34% 30%,#5b5b6b,#141420)}
.reversi-cell .disc.d2{background:radial-gradient(circle at 34% 30%,#ffffff,#d3d6e0)}
.reversi-cell .legal-dot{width:26%;height:26%;border-radius:50%;background:rgba(255,255,255,.5)}

/* Sudoku */
.sudoku-board{display:grid;grid-template-columns:repeat(9,1fr);width:min(94vw,460px);margin:0 auto;background:var(--text);gap:1px;border:3px solid var(--text);border-radius:8px;overflow:hidden}
.sudoku-cell{aspect-ratio:1;border:0;background:var(--surface);cursor:pointer;position:relative;padding:0;display:grid;place-items:center;font-weight:700;font-size:clamp(15px,4.4vw,22px);color:var(--brand)}
.sudoku-cell.br{border-left:2px solid var(--text)}
.sudoku-cell.bb{border-bottom:2px solid var(--text)}
.sudoku-cell.given{color:var(--text);font-weight:800}
.sudoku-cell.peer{background:color-mix(in srgb,var(--brand) 8%, var(--surface))}
.sudoku-cell.sel{background:color-mix(in srgb,var(--brand) 24%, var(--surface))}
.sudoku-cell.same .sv{background:color-mix(in srgb,var(--brand) 30%, transparent);border-radius:6px;padding:0 4px}
.sudoku-cell.bad{color:var(--bad)!important;background:color-mix(in srgb,var(--bad) 16%, var(--surface))}
.sudoku-cell .notes{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%;font-size:9px;color:var(--muted);font-weight:600}
.sudoku-cell .notes i{display:grid;place-items:center;font-style:normal}
.sudoku-pad{display:grid;grid-template-columns:repeat(9,1fr);gap:6px;width:min(94vw,460px);margin:16px auto 0}
.sudoku-num{aspect-ratio:1;border:1px solid var(--border);background:var(--surface);border-radius:10px;font-size:clamp(16px,4.6vw,22px);font-weight:800;cursor:pointer;color:var(--text);transition:.12s}
.sudoku-num:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.sudoku-tools{display:flex;gap:10px;justify-content:center;margin-top:12px;flex-wrap:wrap}

/* Checkers */
.checkers-board{display:grid;grid-template-columns:repeat(8,1fr);width:min(92vw,440px);margin:0 auto;border:4px solid #6b4a2b;border-radius:10px;overflow:hidden;box-shadow:var(--shadow-sm)}
.ck-sq{aspect-ratio:1;border:0;padding:0;position:relative;display:grid;place-items:center}
.ck-sq.light{background:#e8cfa6}
.ck-sq.dark{background:#8a5a34;cursor:pointer}
.ck-sq.lastmv{box-shadow:inset 0 0 0 3px rgba(245,166,35,.8)}
.ck-sq.sel{box-shadow:inset 0 0 0 3px var(--brand)}
.ck-piece{width:74%;height:74%;border-radius:50%;display:grid;place-items:center;font-size:60%;box-shadow:0 2px 4px rgba(0,0,0,.45), inset 0 -3px 6px rgba(0,0,0,.3)}
.ck-piece.red{background:radial-gradient(circle at 35% 30%,#ff7a6b,#c62f3d)}
.ck-piece.black{background:radial-gradient(circle at 35% 30%,#4a4a58,#16161f)}
.ck-piece.king{box-shadow:0 2px 6px rgba(0,0,0,.5), 0 0 0 2px gold inset}
.ck-move{position:absolute;width:30%;height:30%;border-radius:50%;background:rgba(80,220,140,.75);pointer-events:none}
.ck-move.cap{background:rgba(239,69,101,.8)}

/* Mancala */
.mnc-board{display:flex;align-items:stretch;gap:10px;justify-content:center;background:linear-gradient(135deg,#8a5a34,#5f3d22);padding:14px;border-radius:22px;box-shadow:var(--shadow);width:min(96vw,560px);margin:0 auto}
.mnc-store{width:64px;border-radius:32px;background:rgba(0,0,0,.22);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#fff}
.mnc-store .mnc-count{font-size:28px;font-weight:900}
.mnc-slabel{font-size:11px;opacity:.85}
.mnc-center{flex:1;display:flex;flex-direction:column;gap:10px;justify-content:center}
.mnc-row{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.mnc-pit{aspect-ratio:1;border:0;border-radius:50%;background:rgba(0,0,0,.18);color:#fff;font-weight:900;font-size:20px;display:grid;place-items:center;cursor:default}
.mnc-pit.me{cursor:pointer;background:rgba(255,255,255,.16);transition:.12s}
.mnc-pit.me:hover{background:rgba(255,255,255,.3);transform:scale(1.05)}
.mnc-pit.empty{opacity:.55}
.mnc-pit .mnc-count{pointer-events:none}

/* Nim */
.nim-wrap{display:flex;flex-direction:column;gap:16px;max-width:460px;margin:0 auto}
.nim-row{display:flex;align-items:center;gap:12px}
.nim-label{font-size:13px;color:var(--muted);width:58px;font-weight:600}
.nim-stones{display:flex;gap:8px;flex-wrap:wrap}
.nim-stone{width:40px;height:40px;border:0;border-radius:50%;cursor:pointer;background:radial-gradient(circle at 35% 30%,var(--brand-2),var(--brand));box-shadow:var(--shadow-xs);transition:.12s}
.nim-stone:hover{transform:scale(1.08)}
.nim-stone.take{background:radial-gradient(circle at 35% 30%,#ff9a8b,var(--bad));transform:scale(1.06)}

/* Bulls & Cows */
.bc-current{display:flex;gap:12px;justify-content:center;margin:6px 0 16px}
.bc-slot{width:56px;height:64px;border-radius:14px;border:2px solid var(--border);background:var(--surface-2);display:grid;place-items:center;font-size:30px;font-weight:800}
.bc-slot.active{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}
.bc-pad{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-width:400px;margin:0 auto}
.bc-key{padding:14px 0;border:1px solid var(--border);background:var(--surface);border-radius:12px;font-size:20px;font-weight:800;cursor:pointer;color:var(--text);transition:.12s}
.bc-key:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.bc-wide{grid-column:span 1}
.bc-go{grid-column:span 4;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.bc-list{margin:18px auto 0;max-width:400px;display:flex;flex-direction:column;gap:8px}
.bc-row{display:flex;align-items:center;justify-content:space-between;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:8px 14px}
.bc-nums{display:flex;gap:8px}
.bc-num{width:32px;height:32px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;font-weight:800}
.bc-res{display:flex;gap:8px;font-size:13px;font-weight:700}
.bc-bull{color:var(--good)}
.bc-cow{color:var(--warn)}

/* Hangman */
.hm-top{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:8px}
.hm-gallows{width:180px;max-width:60vw}
.hm-svg{width:100%;height:auto}
.hm-svg .frame line{stroke:var(--muted);stroke-width:6;stroke-linecap:round}
.hm-svg .man line{stroke:var(--text);stroke-width:5;stroke-linecap:round}
.hm-svg .man circle{stroke:var(--text);stroke-width:5;fill:none}
.hm-cat{font-size:16px;font-weight:700;background:var(--surface-2);border:1px solid var(--border);padding:10px 18px;border-radius:14px}
.hm-word{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:14px 0;direction:rtl}
.hm-letter{width:34px;height:44px;border-bottom:3px solid var(--brand);display:grid;place-items:center;font-size:28px;font-weight:800}
.hm-letter.shown{border-bottom-color:var(--good)}
.hm-sep{width:14px}
.hm-kb{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:520px;margin:0 auto}
.hm-key{width:38px;height:44px;border:1px solid var(--border);background:var(--surface);border-radius:10px;font-size:20px;font-weight:700;cursor:pointer;color:var(--text);transition:.12s}
.hm-key:hover:not(:disabled){background:var(--brand);color:#fff;border-color:var(--brand)}
.hm-key:disabled{cursor:default}
.hm-key.right{background:color-mix(in srgb,var(--good) 25%, var(--surface));color:var(--good);border-color:var(--good)}
.hm-key.wrong{background:color-mix(in srgb,var(--bad) 18%, var(--surface));color:var(--bad);border-color:var(--bad);opacity:.7}

/* Dice poker */
.dp-dice{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.dp-die{width:64px;height:64px;border-radius:16px;border:2px solid var(--border);background:var(--surface);font-size:46px;line-height:1;cursor:pointer;color:var(--brand);transition:.12s;display:grid;place-items:center}
.dp-die.held{border-color:var(--good);background:color-mix(in srgb,var(--good) 14%, var(--surface));box-shadow:0 0 0 3px color-mix(in srgb,var(--good) 30%, transparent)}
.dp-die.empty{color:var(--muted);font-size:26px}
.dp-card{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:520px;margin:16px auto 0}
.dp-col{display:flex;flex-direction:column;gap:6px}
.dp-cat{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border);background:var(--surface-2);border-radius:11px;padding:9px 14px;cursor:pointer;font-weight:600;font-size:14px;color:var(--text);transition:.12s}
.dp-cat:hover:not(.filled):not(.disabled){border-color:var(--brand);background:var(--surface)}
.dp-cat.filled{opacity:.85;background:color-mix(in srgb,var(--brand) 10%, var(--surface));cursor:default}
.dp-cat.disabled{opacity:.5;cursor:default}
.dp-val{font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.dp-bonus{font-size:12px;color:var(--muted);text-align:center;padding:6px}

/* Sokoban */
.sokoban-levels{margin:0 auto 14px;flex-wrap:wrap}
.sokoban-board{display:grid;gap:2px;margin:0 auto;background:var(--surface-3);padding:6px;border-radius:12px}
.sk-cell{aspect-ratio:1;display:grid;place-items:center;font-size:22px;border-radius:4px;background:var(--surface-2)}
.sk-cell.wall{background:linear-gradient(135deg,#54586e,#3a3d52)}
.sk-cell.target{background:color-mix(in srgb,var(--good) 22%, var(--surface-2));box-shadow:inset 0 0 0 2px var(--good)}
.sk-cell.box{background:linear-gradient(135deg,#e0a458,#b9793a)}
.sk-cell.box.on{background:linear-gradient(135deg,#54cf8b,#2fae6d)}
.sk-cell.player{}

/* Dots and boxes */
.db-board{display:grid;margin:0 auto;justify-content:center;align-content:center}
.db-dot{width:16px;height:16px;border-radius:50%;background:var(--text);justify-self:center;align-self:center}
.db-edge{border:0;background:transparent;cursor:pointer;padding:0;border-radius:6px;transition:.12s}
.db-edge.db-h{height:16px;align-self:center;min-width:20px}
.db-edge.db-v{width:16px;justify-self:center;min-height:20px}
.db-edge:hover{background:color-mix(in srgb,var(--brand) 35%, transparent)}
.db-edge.set{background:var(--brand)}
.db-box{display:grid;place-items:center;font-size:20px;border-radius:6px}
.db-box.p1{background:color-mix(in srgb,#4b7bec 20%, transparent)}
.db-box.p2{background:color-mix(in srgb,var(--bad) 20%, transparent)}

/* Sea battle */
.sb-grids{display:flex;gap:22px;justify-content:center;flex-wrap:wrap}
.sb-side{text-align:center}
.sb-side h4{margin:0 0 8px;font-size:14px;font-weight:700;color:var(--text-2)}
.sb-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:2px;width:min(90vw,300px);background:var(--border);padding:3px;border-radius:10px}
.sb-cell{aspect-ratio:1;border:0;padding:0;background:#bfe0f2;border-radius:3px;font-size:13px;display:grid;place-items:center;cursor:pointer}
:root[data-theme="dark"] .sb-cell{background:#1d3a52}
.sb-cell.ship{background:#7f8aa6}
.sb-cell.miss{background:#dfe6ee;cursor:default;color:var(--muted)}
:root[data-theme="dark"] .sb-cell.miss{background:#2a3348}
.sb-cell.hit{background:#f9b24a;cursor:default}
.sb-cell.sunk{background:var(--bad);cursor:default}

/* Word search */
.ws-cat{text-align:center;font-weight:700;margin-bottom:12px;background:var(--surface-2);border:1px solid var(--border);display:inline-block;padding:8px 16px;border-radius:12px;margin-inline:auto}
.ws-grid{display:grid;width:min(94vw,440px);margin:0 auto;gap:2px;background:var(--surface-2);padding:6px;border-radius:12px;touch-action:none;user-select:none}
.ws-cell{aspect-ratio:1;display:grid;place-items:center;font-weight:700;font-size:clamp(14px,3.8vw,20px);border-radius:5px;background:var(--surface);color:var(--text);cursor:pointer}
.ws-cell.sel{background:var(--brand);color:#fff}
.ws-cell.found{background:color-mix(in srgb,var(--good) 40%, var(--surface));color:var(--text)}
.ws-words{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.ws-word{padding:6px 13px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-weight:700;font-size:14px}
.ws-word.done{background:color-mix(in srgb,var(--good) 20%, var(--surface));color:var(--good);text-decoration:line-through;opacity:.7}

/* ---------- Responsive ---------- */
@media(max-width:560px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:13px}
  .card{padding:17px 15px}
  .card-emoji{width:48px;height:48px;font-size:26px;border-radius:14px}
  .card h3{font-size:16px}
  .card p{font-size:12.5px;min-height:36px}
  .card-play{display:none}
  .stat{min-width:62px;padding:7px 11px}
  .stat b{font-size:19px}
  .dp-die{width:52px;height:52px;font-size:38px}
  .mnc-store{width:48px}
  .sb-grids{gap:14px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.05s!important}
  .card{opacity:1;transform:none}
}