:root{
  --bg:#090b0e;--panel:#11151a;--panel2:#151a20;--line:#29313a;
  --text:#f2f5f7;--muted:#7f8992;--pulse:#9ce7ff;--accent:#d7f28e;--bad:#ef6b62;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden}
body{margin:0;background:radial-gradient(750px 380px at 50% -5%,rgba(156,231,255,.06),transparent 70%),var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
button{font:inherit}
.page{width:min(1510px,100%);margin:auto;padding:12px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px}
.brand{display:flex;align-items:center;gap:10px}.mark{width:40px;height:40px;border-radius:12px;background:var(--pulse);color:#071015;display:grid;place-items:center;font-weight:950}
.brand strong,.brand span{display:block}.brand strong{font-size:17px}.brand span{font-size:10px;color:var(--muted)}
.actions{display:flex;gap:7px}.btn{border:1px solid var(--line);background:#151a20;color:#fff;border-radius:9px;padding:8px 11px;font-size:11px;font-weight:800;cursor:pointer}.btn.primary,.btn.home{background:#202831;border-color:#303944}.btn.primary{background:var(--accent);border-color:var(--accent);color:#10140a}.btn.large{padding:11px 17px;font-size:12px}
.ad-slot{position:relative;display:flex;align-items:center;justify-content:center;background:#101419;border:1px solid #222a31;border-radius:9px}.ad-slot:not(.has-ad):before{content:"ADVERTISEMENT";color:#4e5963;font-size:9px;letter-spacing:1px}
.top-ad,.bottom-ad{min-height:90px}.top-ad{margin-bottom:9px}.bottom-ad{margin-top:9px}
.layout{display:flex;gap:9px;align-items:flex-start}.side-ad{flex:0 0 170px;min-height:600px}.game-column{flex:1 1 0;min-width:0}
.game-shell{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.hud{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}.hud small,.results small{display:block;color:var(--muted);font-size:8px;text-transform:uppercase;letter-spacing:.7px}.hud strong{display:block;margin-top:2px;font-size:16px}
.phasebar{text-align:center;padding:11px 14px;border-bottom:1px solid var(--line);background:#0e1216}.phasebar span,.phasebar strong,.phasebar small{display:block}.phasebar span{font-size:8px;color:var(--pulse);font-weight:900;letter-spacing:1px}.phasebar strong{font-size:18px;margin-top:2px}.phasebar small{font-size:9px;color:var(--muted);margin-top:3px}
.stage{position:relative;display:flex;align-items:center;justify-content:center;min-height:520px;padding:14px;background:#0b0f13;overflow:hidden}.board-wrap{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.sequence-grid{display:grid;gap:6px;width:520px;height:520px;max-width:100%}
.cell{border:1px solid #242c33;background:#11171c;border-radius:8px;cursor:pointer;min-width:0;min-height:0;position:relative;transition:background .1s,border-color .1s,transform .1s,box-shadow .1s}.cell:hover{border-color:#3a4650}.cell.pulse{background:#16313a;border-color:var(--pulse);box-shadow:0 0 22px rgba(156,231,255,.22),inset 0 0 0 1px var(--pulse);transform:scale(.97)}.cell.decoy{background:#2a2117;border-color:#e0a45c;box-shadow:0 0 16px rgba(224,164,92,.13)}.cell.chosen{background:#1a2b1c;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.cell.wrong{animation:wrong .26s}
.cell::after{content:"";position:absolute;inset:38%;border-radius:50%;background:#65717b;opacity:.28}.cell.pulse::after{background:var(--pulse);opacity:1}.cell.decoy::after{background:#e0a45c;opacity:1}.cell.chosen::after{background:var(--accent);opacity:1}
@keyframes wrong{50%{background:#52211f;border-color:var(--bad);transform:scale(.94)}}
.overlay{position:absolute;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(6,9,12,.84);backdrop-filter:blur(6px)}.hidden{display:none!important}
.modal{width:min(560px,94%);background:#12171c;border:1px solid #303941;border-radius:20px;padding:24px;text-align:center}.modal.compact{width:min(430px,92%)}.modal em{font-style:normal;color:var(--pulse);font-size:9px;font-weight:900;letter-spacing:1px}.modal h1{font-size:30px;margin:7px 0}.modal p{font-size:11px;color:var(--muted);line-height:1.5}.preview{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:16px 0}.preview span,.results span{padding:9px;border:1px solid var(--line);border-radius:9px;background:#0d1115;font-size:9px}
.final{font-size:50px;font-weight:950;color:var(--accent)}.results{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:14px 0}.results b{font-size:13px}
.game-foot{display:flex;justify-content:space-between;gap:12px;padding:8px 12px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:9px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:12px}.panel strong,.panel span{display:block}.panel strong{font-size:11px}.panel span{font-size:9px;color:var(--muted);margin-top:3px}
.game-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 3px;color:#717b84;font-size:10px}.game-footer span:last-child{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:1279px) and (min-width:1024px){.side-ad{flex-basis:140px}}
@media(max-width:1023px){.side-ad{display:none!important}.layout{display:block}}
@media(max-width:720px){
  .page{padding:8px}.top-ad{display:none!important}.hud{grid-template-columns:repeat(3,1fr)}.hud>div:nth-child(4),.hud>div:nth-child(5){display:none}
  .stage{padding:6px;min-height:480px}.sequence-grid{gap:4px}.preview,.info-grid{grid-template-columns:1fr}.bottom-ad{min-height:50px}
}
@media(max-height:760px){
  .top-ad{display:none!important}.info-grid{display:none!important}.stage{min-height:0!important}.phasebar small{display:none}
}

.hud{grid-template-columns:repeat(6,1fr)}
.results{grid-template-columns:repeat(4,1fr)}
.savebox{margin:12px 0;padding:12px;border:1px solid #2f3d29;border-radius:11px;background:#141a11}
.savebox b,.savebox span{display:block}.savebox b{color:#d7f28e;font-size:12px}.savebox span{font-size:9px;color:#8f9b86;margin:4px 0 10px}
.notice{margin-top:9px;padding:11px 13px;border:1px solid #2f3d29;border-radius:10px;background:#141a11;color:#d7f28e;font-size:10px}
.score-area{display:grid;grid-template-columns:1.35fr .65fr;gap:9px;margin-top:9px}
.leader-panel,.account-panel{background:#11151a;border:1px solid #29313a;border-radius:13px;padding:12px}
.leader-head,.account-panel{display:flex;justify-content:space-between;align-items:center;gap:12px}
.leader-head h3{margin:0;font-size:12px}.leader-head span,.account-panel span{font-size:9px;color:#7f8992}.account-panel b,.account-panel span{display:block}
.leader-row{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:8px;padding:7px 0;border-top:1px solid #222930;font-size:10px}.leader-row:first-child{border-top:0}.leader-row span:first-child{color:#7f8992}.leader-row b{font-variant-numeric:tabular-nums}.empty-leader{padding:8px 0;color:#7f8992;font-size:10px}
@media(max-width:720px){.score-area{grid-template-columns:1fr}.hud{grid-template-columns:repeat(3,1fr)}}


/* FULL-VIEW PLAY AREA */
.stage,.game-stage,.playfield{max-height:calc(100svh - 180px)!important}
@media(max-width:760px){.stage,.game-stage,.playfield{max-height:calc(100svh - 165px)!important}}

/* Modern memory-console skin. Gameplay geometry and state remain unchanged. */
:root{--bg:#050814;--panel:#0b1224;--panel2:#111a31;--line:#263456;--text:#f7f9ff;--muted:#93a0bd;--pulse:#5ce7ff;--accent:#b6ff7a;--bad:#ff5f7d;--violet:#9b78ff}
body{background:radial-gradient(900px 520px at 14% 5%,rgba(92,231,255,.12),transparent 65%),radial-gradient(780px 520px at 88% 22%,rgba(155,120,255,.12),transparent 64%),#050814}
.game-shell{background:linear-gradient(145deg,rgba(15,25,48,.96),rgba(7,13,28,.98));border-color:#2b3c64;box-shadow:0 24px 70px rgba(0,0,0,.34),inset 0 1px rgba(255,255,255,.035)}
.hud{gap:0;padding:0;background:rgba(6,12,27,.72)}
.hud>div{padding:12px 14px;border-right:1px solid rgba(72,91,135,.38)}.hud>div:last-child{border-right:0}
.hud small,.results small{color:#8492b2;font-weight:800;letter-spacing:1.1px}.hud strong{color:#f8faff;font-variant-numeric:tabular-nums}.hud>div:first-child strong,.hud>div:nth-child(5) strong{color:var(--accent)}
.phasebar{padding:13px 14px;background:linear-gradient(90deg,rgba(92,231,255,.035),rgba(155,120,255,.07),rgba(92,231,255,.035));border-color:#263456}
.phasebar span{color:var(--pulse);letter-spacing:1.8px}.phasebar strong{letter-spacing:.04em}.phasebar small{font-size:10px;color:#9ca9c4}
.stage{min-height:540px;background:radial-gradient(circle at 50% 48%,rgba(84,117,255,.11),transparent 44%),linear-gradient(180deg,#070d1b,#050a15)}
.board-wrap{position:relative}.board-wrap:before{content:"";position:absolute;width:min(760px,95%);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(92,231,255,.075),transparent 67%);pointer-events:none}
.sequence-grid{z-index:1;gap:7px!important;padding:10px;border:1px solid rgba(94,125,190,.23);border-radius:20px;background:rgba(4,9,20,.54);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.cell{border-color:#263657;background:linear-gradient(145deg,#14213c,#0d162c);border-radius:11px;box-shadow:inset 0 1px rgba(255,255,255,.04),0 5px 14px rgba(0,0,0,.16);transition:background .1s,border-color .1s,transform .1s,box-shadow .1s}
.cell:hover{border-color:#526c9e;background:linear-gradient(145deg,#182846,#101c34)}
.cell:focus-visible{outline:2px solid #fff;outline-offset:2px}.cell::after{inset:40%;background:#7182a9;box-shadow:0 0 10px rgba(113,130,169,.15)}
.cell.pulse{background:linear-gradient(145deg,rgba(19,112,139,.95),rgba(28,56,110,.95));border-color:var(--pulse);box-shadow:0 0 28px rgba(92,231,255,.34),inset 0 0 0 1px var(--pulse);transform:scale(.95)}
.cell.pulse::after{box-shadow:0 0 18px var(--pulse)}
.cell.decoy{background:linear-gradient(145deg,#583517,#332017);border-color:#ffb55f}.cell.decoy::after{background:#ffb55f;box-shadow:0 0 16px #ffb55f}
.cell.chosen{background:linear-gradient(145deg,#254823,#18321e);border-color:var(--accent);box-shadow:0 0 20px rgba(182,255,122,.2),inset 0 0 0 1px var(--accent)}
.overlay{background:rgba(3,7,17,.8);backdrop-filter:blur(9px)}
.modal{background:linear-gradient(145deg,rgba(18,29,55,.98),rgba(9,16,34,.99));border-color:#354970;box-shadow:0 28px 80px rgba(0,0,0,.52),0 0 45px rgba(92,231,255,.06)}
.modal em{color:var(--pulse);letter-spacing:1.8px}.modal h1{font-size:clamp(27px,4vw,38px);letter-spacing:-.035em}.modal p{font-size:12px;color:#a1acc2}
.preview span,.results span{background:rgba(5,11,25,.72);border-color:#2c3d64}.preview span{color:#b8c6e1;font-weight:700}
.final{color:var(--accent);text-shadow:0 0 30px rgba(182,255,122,.2)}
.btn.audio-toggle{display:grid;place-items:center;width:38px;height:38px;padding:0;color:#b9c6df}.btn.audio-toggle:hover{color:var(--pulse);border-color:#49628f}.btn.audio-toggle svg{display:block}
.game-foot{background:rgba(6,12,27,.7);color:#8f9db9}.info-grid .panel,.leader-panel,.account-panel{background:linear-gradient(145deg,#0d162b,#091121);border-color:#26385d}
@media(max-width:720px){
  .stage{min-height:470px;padding:5px}.sequence-grid{padding:6px;border-radius:14px;gap:4px!important}
  .cell{border-radius:8px}.modal{padding:20px 15px}.modal h1{font-size:27px}.hud>div{padding:9px 10px}.phasebar{padding:9px 10px}
  .actions{gap:5px}.btn.audio-toggle{width:36px;height:36px}
}
@media(max-width:430px){.stage{min-height:430px}.game-foot{font-size:8px}.preview{gap:5px}.preview span{padding:8px 5px}}
@media(prefers-reduced-motion:reduce){.cell{transition:none}.cell.wrong{animation:none}}