:root{
  --bg:#0b1020;--bg2:#121a33;--card:#151e3a;--card2:#1c2750;--line:rgba(160,185,255,.14);
  --ink:#eef2ff;--dim:#aab4d6;--faint:#7480a8;--hc:#7aa2ff;--good:#5ee6a0;--bad:#ff7a8a;--gold:#ffd76a;
  --r:20px;--shadow:0 18px 50px rgba(0,0,0,.4);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;
  background-image:radial-gradient(ellipse at 20% -10%,rgba(122,162,255,.18),transparent 55%),radial-gradient(ellipse at 100% 30%,rgba(229,140,255,.1),transparent 50%)}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;padding:0}
[hidden]{display:none!important}
h1,h2,h3{font-family:'Cinzel',serif;font-weight:700;letter-spacing:.02em;margin:0}
.wrap{max-width:820px;margin:0 auto;padding:0 14px max(30px,env(safe-area-inset-bottom))}
.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;margin-top:16px}
.row{display:flex;gap:8px;align-items:center}
.muted{color:var(--dim)}.small{font-size:.86rem}.center{text-align:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border-radius:14px;background:var(--card2);border:1px solid var(--line);font-weight:700;transition:transform .15s,filter .2s;white-space:nowrap}
.btn:hover{filter:brightness(1.12)}.btn:active{transform:scale(.97)}
.btn.primary{background:linear-gradient(135deg,var(--hc),color-mix(in srgb,var(--hc) 60%,#fff));color:#0b1020;border:0;box-shadow:0 6px 22px color-mix(in srgb,var(--hc) 40%,transparent)}
.btn.ghost{background:transparent}
.btn.small{min-height:38px;font-size:.88rem;padding:0 14px}
.btn.wide{width:100%;margin-top:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.text{flex:1;min-width:0;min-height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:rgba(0,0,0,.25);color:var(--ink);text-transform:uppercase}
.text:focus{outline:2px solid var(--hc);outline-offset:-1px}
.text.big{font-size:1.15rem;font-weight:700;letter-spacing:.06em}
.mono,.code{font-family:'JetBrains Mono',monospace;letter-spacing:.06em}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}

/* ---------- setup ---------- */
.hero{position:relative;min-height:clamp(260px,46vw,420px);display:flex;align-items:flex-end;overflow:hidden}
.heroimg{position:absolute;inset:0;background:url(img/hero.webp) center/cover;animation:drift 40s ease-in-out infinite alternate}
@keyframes drift{to{transform:scale(1.08) translateY(-2%)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 30%,rgba(11,16,32,.75) 70%,var(--bg))}
.herotxt{position:relative;z-index:1;max-width:820px;margin:0 auto;padding:0 18px 8px;width:100%}
.hero h1{font-size:clamp(2.4rem,9vw,4rem);background:linear-gradient(90deg,#9fc0ff,#e9b6ff 60%,#ffd76a);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 3px 18px rgba(0,0,0,.6))}
.hero p{margin:.4em 0 0;color:#d6defa;max-width:36rem;text-shadow:0 2px 10px rgba(0,0,0,.7)}
.how{display:grid;gap:10px}
.how div{display:flex;gap:12px;align-items:flex-start;color:var(--dim)}
.how b{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--card2);color:var(--hc);font-weight:800}
.how span b{display:inline;background:none;color:var(--ink);width:auto;height:auto}
.form label{display:block;font-weight:700;margin:16px 0 8px}
.form label:first-child{margin-top:0}
.form label small{font-weight:400;color:var(--faint);margin-left:6px}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1;min-width:64px;min-height:44px;border-radius:12px;background:var(--card2);border:1px solid var(--line);font-weight:700;color:var(--dim)}
.seg button.on{background:var(--hc);color:#0b1020;border-color:transparent}
.houses{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,180px),1fr));gap:10px}
.house{position:relative;text-align:left;border-radius:16px;padding:12px;min-height:118px;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;overflow:hidden;
  background:linear-gradient(transparent 10%,rgba(8,12,26,.92)),var(--img) center/cover;border:2px solid transparent;box-shadow:0 8px 20px rgba(0,0,0,.35)}
.house.on{border-color:var(--hc);box-shadow:0 0 0 3px color-mix(in srgb,var(--hc) 35%,transparent)}
.house .hp{position:absolute;top:8px;left:8px;font-size:.72rem;font-weight:800;padding:3px 9px;border-radius:99px;background:var(--hc);color:#0b1020}
.house b{font-size:1rem}.house small{color:#c5cdea;font-size:.76rem;line-height:1.3}
.resume{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;border-color:color-mix(in srgb,var(--hc) 50%,transparent)}

/* ---------- game shell ---------- */
.bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:max(10px,env(safe-area-inset-top)) 14px 10px;background:rgba(11,16,32,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.housechip{display:flex;align-items:center;gap:8px;font-family:'Cinzel',serif;font-weight:700;font-size:1.05rem;color:var(--hc);min-width:0}
.housechip span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.timer{margin-left:auto;font-family:'JetBrains Mono',monospace;color:var(--dim);font-size:.95rem}
.path{display:flex;align-items:center;justify-content:center;gap:0;padding:14px 10px 2px;max-width:820px;margin:0 auto}
.path .link{flex:1;height:3px;max-width:42px;background:var(--line);border-radius:3px}
.step{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.9rem;background:var(--card2);border:2px solid var(--line);color:var(--faint);flex:none;transition:transform .2s}
.step.open{border-color:var(--hc);color:var(--ink);box-shadow:0 0 14px color-mix(in srgb,var(--hc) 45%,transparent)}
.step.done{background:var(--hc);color:#0b1020;border-color:transparent}
.step.cur{transform:scale(1.18);outline:3px solid color-mix(in srgb,var(--hc) 40%,transparent);outline-offset:2px}
.step.locked{opacity:.7}
@media (max-width:440px){.path{padding:12px 6px 2px}.step{width:33px;height:33px;font-size:.8rem}.path .link{min-width:3px}.step.cur{transform:scale(1.1)}}

.room{padding:0;overflow:hidden}
.banner{position:relative;height:clamp(130px,30vw,200px);background:linear-gradient(transparent 20%,rgba(11,16,32,.95)),var(--img) center/cover;display:flex;align-items:flex-end}
.bannertxt{padding:14px 18px}
.bannertxt small{color:var(--hc);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.74rem}
.bannertxt h2{font-size:clamp(1.4rem,5vw,1.9rem);text-shadow:0 2px 12px rgba(0,0,0,.7)}
.story{margin:0;padding:12px 18px 0;color:var(--dim);font-style:italic}
#rBody{padding:12px 18px 20px}
.how-to{margin:0 0 14px;padding:10px 12px;border-radius:12px;background:rgba(0,0,0,.22);font-size:.92rem;color:#d4dbf5}
.board{display:flex;flex-direction:column;align-items:center;gap:14px}
.solvedboard{pointer-events:none;opacity:.75}
.hintbtn{margin-top:14px}
.locked{text-align:center;padding:24px 8px}
.lockico{font-size:3rem;margin-bottom:6px}
.signal label{display:block;font-weight:700;margin-bottom:8px}
.code{display:inline-block;font-size:1.25rem;font-weight:700;color:var(--gold);padding:4px 12px;border-radius:10px;background:rgba(255,215,106,.1);border:1px dashed rgba(255,215,106,.4)}
.code.big{font-size:clamp(1.7rem,7vw,2.3rem);padding:10px 20px;margin:6px 0}
.code.dim{color:var(--dim);border-color:var(--line);background:none;font-size:1rem}
.solvedbox{text-align:center;margin-top:16px;padding:14px;border-radius:16px;background:rgba(94,230,160,.08);border:1px solid rgba(94,230,160,.3)}
.solvedbox span{color:var(--good);font-weight:800}
.solvedbox p{margin:6px 0}

/* ---------- shared puzzle bits ---------- */
.pad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;width:min(100%,360px)}
.key{min-height:50px;border-radius:12px;background:var(--card2);border:1px solid var(--line);font-weight:800;font-size:1.15rem}
.key:active{transform:scale(.94)}
.key.wide{grid-column:span 2}
.key.used{opacity:.35}
.key.go{background:var(--hc);color:#0b1020}
.cell{aspect-ratio:1;display:grid;place-items:center;font-weight:800;font-size:clamp(1.1rem,5vw,1.6rem);background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--hc)}
.cell.given{color:var(--ink);background:rgba(255,255,255,.1)}
.cell.sel{background:color-mix(in srgb,var(--hc) 28%,transparent);outline:2px solid var(--hc);outline-offset:-2px;z-index:1}
.cell.bad{color:var(--bad)}
.tiles{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.tile{min-width:38px;height:44px;padding:0 6px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:1.2rem;background:rgba(255,255,255,.05);border:1px solid var(--line);border-bottom-width:3px}
.tile.ok{background:color-mix(in srgb,var(--good) 25%,transparent);border-color:var(--good)}
.tile.lock{background:rgba(255,215,106,.15);border-color:var(--gold);color:var(--gold)}
.tile.used{opacity:.25}

/* sudoku */
.sdk{display:grid;grid-template-columns:repeat(var(--n),1fr);width:min(100%,calc(var(--n) * 60px));border:3px solid var(--hc);border-radius:12px;overflow:hidden}
.sdk .cell.br{border-right:3px solid var(--hc)}.sdk .cell.bb{border-bottom:3px solid var(--hc)}

/* crossword */
.cw{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;width:100%}
.cwgrid{display:grid;grid-template-columns:repeat(var(--w),minmax(0,1fr));width:min(100%,calc(var(--w) * 44px))}
.cwc{position:relative;aspect-ratio:1;background:#f4efe1;border:1px solid #1d2440}
.cwc.void{background:transparent;border-color:transparent}
.cwc input{position:absolute;inset:0;width:100%;height:100%;border:0;background:transparent;text-align:center;font-weight:800;font-size:clamp(.9rem,4vw,1.3rem);color:#141a33;text-transform:uppercase;padding:0;caret-color:transparent}
.cwc input:focus{outline:none}
.cwc.hl{background:#fde9b0}.cwc.cur{background:#ffd76a}.cwc.wrong input{color:#d23a4c}
.cwc .num{position:absolute;top:1px;left:2px;font-size:.55rem;font-weight:800;color:#444c6c;line-height:1;pointer-events:none}
.cwclues{display:grid;grid-template-columns:1fr 1fr;gap:12px;flex:1;min-width:240px}
@media (max-width:520px){.cwclues{grid-template-columns:1fr}}
.cwclues h4{margin:0 0 4px;color:var(--hc);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.clue{margin:0 0 4px;font-size:.9rem;color:var(--dim);padding:3px 6px;border-radius:8px;cursor:pointer}
.clue b{color:var(--ink);margin-right:4px}.clue i{color:var(--faint);font-style:normal}
.clue.on{background:color-mix(in srgb,var(--hc) 22%,transparent);color:var(--ink)}

/* riddle */
.riddle{width:100%;padding:16px;border-radius:16px;background:rgba(0,0,0,.2);display:flex;flex-direction:column;gap:12px}
.rq{margin:0;font-family:'Cinzel',serif;font-size:clamp(1.1rem,4.4vw,1.35rem);text-align:center;line-height:1.35}

/* magic square */
.magic{display:grid;grid-template-columns:repeat(3,minmax(0,72px)) 48px;gap:6px;align-items:center;justify-items:center}
.magic .cell.big{width:100%;border-radius:14px;font-size:1.7rem}
.sum{font-family:'JetBrains Mono',monospace;font-size:.95rem;color:var(--faint);width:48px;text-align:center}
.sum.good{color:var(--good)}.sum.off{color:var(--bad)}


/* lights */
.lights{display:grid;grid-template-columns:repeat(var(--n),1fr);gap:8px;width:min(100%,calc(var(--n) * 74px))}
.lamp{aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,#2a335a,#141a33);border:2px solid var(--line);transition:all .18s}
.lamp.on{background:radial-gradient(circle at 35% 30%,#fff7d0,var(--gold) 45%,#c98a1a);box-shadow:0 0 22px rgba(255,215,106,.7);border-color:#ffe9a8}
.lamp.tip{outline:3px dashed var(--hc);outline-offset:3px}

/* sliding */
.slide{display:grid;grid-template-columns:repeat(var(--n),1fr);gap:6px;width:min(100%,calc(var(--n) * 86px));padding:6px;border-radius:16px;background:rgba(0,0,0,.3)}
.slide .tile{aspect-ratio:1;height:auto;border-radius:12px;font-size:clamp(1.3rem,6vw,1.9rem);color:#0b1020;border:0;
  background:linear-gradient(135deg,color-mix(in srgb,var(--hc) calc(100% - var(--k) * 70%),#fff),color-mix(in srgb,var(--hc) calc(55% + var(--k) * 30%),#0b1020));transition:transform .12s}
.slide .tile.home{box-shadow:inset 0 0 0 3px rgba(255,255,255,.55)}
.slide .tile.gap{background:transparent;box-shadow:inset 0 0 0 2px var(--line)}
.slide .tile.tip{outline:3px dashed var(--gold);outline-offset:2px}

/* sequence */
.seq{width:100%;padding:10px;border-radius:14px;background:rgba(0,0,0,.2)}
.seq.ok{background:rgba(94,230,160,.1)}
.seqn{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center}
.seqn span{min-width:46px;height:46px;padding:0 8px;border-radius:12px;display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-weight:700;background:var(--card2)}
.seqn span::after{content:","}
.seqn .text.num{flex:none;width:82px;text-align:center;font-family:'JetBrains Mono',monospace;font-weight:700}
.seq p{margin:6px 0 0;text-align:center}

/* cipher */
.cipher{margin:0;font-family:'JetBrains Mono',monospace;font-size:clamp(1rem,4.4vw,1.25rem);letter-spacing:.12em;text-align:center;padding:12px;border-radius:12px;background:rgba(0,0,0,.25);word-break:break-word}
.cipher.dec{color:var(--hc)}
.wheel{display:flex;align-items:center;gap:12px}
.wheel .key{width:56px}
.wlbl{min-width:120px;text-align:center;display:flex;flex-direction:column}
.wlbl b{font-family:'JetBrains Mono',monospace;font-size:1.2rem}
.wlbl small{color:var(--faint)}
.board.b-cipher{align-items:stretch}

/* nonogram */
.nono{display:grid;grid-template-columns:auto repeat(var(--n),minmax(0,1fr));gap:3px;width:min(100%,calc(var(--n) * 50px + 70px));align-items:end}
.cclue{display:flex;flex-direction:column;align-items:center;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--dim);padding-bottom:4px}
.rclue{display:flex;gap:5px;justify-content:flex-end;align-items:center;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--dim);padding-right:6px;height:100%}
.cclue.done,.rclue.done{color:var(--good)}
.cclue i,.rclue i{font-style:normal}
.nc{aspect-ratio:1;border-radius:6px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.nc.fill{background:var(--hc);border-color:transparent;box-shadow:0 0 10px color-mix(in srgb,var(--hc) 45%,transparent)}
.nc.x{background:transparent;position:relative}
.nc.x::after{content:"✕";position:absolute;inset:0;display:grid;place-items:center;color:var(--faint);font-size:.9rem}

/* code breaker */
.cblog{display:flex;flex-direction:column;gap:6px;width:min(100%,320px)}
.cbrow{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;border-radius:12px;background:rgba(0,0,0,.22)}
.cbg{font-family:'JetBrains Mono',monospace;font-size:1.2rem;font-weight:700;letter-spacing:.1em}
.pegs{font-size:1.2rem;letter-spacing:.15em;color:var(--gold)}
.cbslots{display:flex;gap:8px}
.slot{width:52px;height:60px;border-radius:12px;display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-size:1.6rem;font-weight:700;background:rgba(255,255,255,.05);border:2px solid var(--hc)}
.slot.lock{border-color:var(--gold);color:var(--gold)}

/* anagram */
.ana{width:100%;padding:12px;border-radius:14px;background:rgba(0,0,0,.2);display:flex;flex-direction:column;gap:10px}
.ana .tiles:first-child .tile{border-color:var(--hc)}

/* ---------- overlays ---------- */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center;background:rgba(3,6,16,.7);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
@media (min-width:640px){.modal{align-items:center;padding:20px}}
.mcard{width:100%;max-width:480px;max-height:90vh;overflow:auto;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:24px 24px 0 0;padding:22px 20px max(20px,env(safe-area-inset-bottom));animation:up .35s cubic-bezier(.2,.8,.2,1)}
@media (min-width:640px){.mcard{border-radius:24px}}
@keyframes up{from{transform:translateY(30px);opacity:0}}
.mcard h2{font-size:1.4rem;margin-bottom:6px}.mcard h3{font-size:1rem;margin:16px 0 6px}
.sig{text-align:center}.sig p{margin:6px 0}
.pulse{font-size:3rem;animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.15);filter:drop-shadow(0 0 16px var(--hc))}}
.to{font-family:'Cinzel',serif;font-weight:700;font-size:1.2rem}
.wait{margin-top:12px!important;padding:10px;border-radius:12px;background:rgba(0,0,0,.25);color:var(--dim);font-size:.9rem}
.sigrow{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.team{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:12px 0}
.team span{padding:6px 10px;border-radius:99px;background:var(--card);border:2px solid var(--hc);font-weight:700;font-size:.88rem}
.team span.me{background:var(--hc);color:#0b1020}
.team i{color:var(--faint);font-style:normal}
.door{display:flex;justify-content:center;padding:20px}
.bigdoor{width:180px;height:240px;border-radius:90px 90px 14px 14px;background:linear-gradient(180deg,var(--hc),#3b2a6b);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  box-shadow:0 0 40px color-mix(in srgb,var(--hc) 60%,transparent),inset 0 0 30px rgba(255,255,255,.25);animation:glow 2s ease-in-out infinite}
.bigdoor span{font-size:4rem}.bigdoor b{font-family:'Cinzel',serif;font-size:1.4rem;color:#0b1020}
@keyframes glow{50%{box-shadow:0 0 70px color-mix(in srgb,var(--hc) 80%,transparent),inset 0 0 30px rgba(255,255,255,.35)}}
.win{text-align:center}.trophy{font-size:4rem;animation:pulse 1.6s infinite}
.toast{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translate(-50%,30px);z-index:60;padding:12px 18px;border-radius:14px;background:#eef2ff;color:#0b1020;font-weight:600;font-size:.92rem;opacity:0;pointer-events:none;transition:all .3s;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.fx{position:fixed;inset:0;pointer-events:none;z-index:70;overflow:hidden}
.fx i{position:absolute;top:-12px;width:8px;height:14px;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.2}}
@media (prefers-reduced-motion:reduce){.heroimg,.pulse,.bigdoor,.trophy{animation:none}}