/* Peek-a-Bot — app styles (v0.1.0). Theme palette arrives as CSS variables set
   from manifest.json (--bg, --tileBack, --accent). Dark iQ palette by default. */
:root{
  --bg:#0B0E1C;--tileBack:#5D5FEF;--accent:#ffd166;--txt:#fff;--mut:#9AA0B8;
  --surface:rgba(19,23,53,.9);--line:#262B4A;
  --tile:80px;--gap:8px;--cols:3;--rows:2;
  --sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);
  /* Sweepy palette "C · deep blue → pink, violet ears" (owner choice 8 Sep 2026); no yellow anywhere on him */
  --sw-g1:#2F8BFF;--sw-gm:#4DA3FF;--sw-g2:#FF7AC8;--sw-ear:#7C4DFF;--sw-tip1:#ffe3f1;--sw-tip2:#FF5FA8;--sw-tip3:#d1287a;
  --sw-glow:rgba(47,139,255,.45);--sw-plate:.10;--sw-flash:#fff;--sw-flashglow:rgba(255,255,255,.85);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}
html,body{height:100%;margin:0;overscroll-behavior:none}
body{background:var(--bg);color:var(--txt);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;user-select:none;-webkit-user-select:none;touch-action:manipulation;transition:background .4s;overflow:hidden}
button{font:inherit;color:inherit;border:none;background:none;padding:0;cursor:pointer;touch-action:manipulation}
button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

.screen{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(12px,3vh,28px);padding:calc(14px + var(--sat)) 14px calc(14px + var(--sab))}
.screen[hidden]{display:none}

/* ---- Sweepy hosts ---- */
.host{display:block;line-height:0}
.host.big{width:min(82vw,46vh,400px);aspect-ratio:60/66}
.host.small{width:min(40vw,22vh,190px);aspect-ratio:60/66;flex:none}
#themes .host.small{width:min(30vw,16vh,140px)}
.host.game{width:var(--sw,120px);aspect-ratio:60/66;border-radius:24px;transition:transform .15s}
.host.game:active{transform:scale(.96)}
.host.game.asleep{animation:pulseRing 1.6s ease-in-out infinite;border-radius:40px}
@keyframes pulseRing{0%,100%{box-shadow:0 0 0 0 rgba(255,209,102,0)}50%{box-shadow:0 0 0 14px rgba(255,209,102,.28)}}

/* ---- picture buttons ---- */
.picbtn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#5D5FEF,#22D3EE);border-radius:28px;box-shadow:0 12px 30px -10px rgba(93,95,239,.8);transition:transform .15s}
.picbtn:active{transform:scale(.94)}
.picbtn svg{width:58%;height:58%;stroke:#fff;fill:#fff}
.picbtn.round{width:clamp(72px,16vw,100px);height:clamp(72px,16vw,100px);border-radius:50%}
.playbtn{width:clamp(120px,32vw,190px);height:clamp(120px,32vw,190px);animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.playbtn .mini{display:grid;grid-template-columns:1fr 1fr;gap:9%;width:58%;aspect-ratio:1}
.playbtn .mini i{display:block;background:#fff;border-radius:18%;opacity:.92}
.playbtn .mini i.star{background:var(--accent);position:relative}
.playbtn .mini i.star::after{content:"";position:absolute;inset:18%;background:#fff;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}

.iconbtn{position:absolute;width:48px;height:48px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:var(--mut)}
.iconbtn svg{width:26px;height:26px;fill:currentColor;stroke:currentColor}
.iconbtn.back{left:calc(12px + env(safe-area-inset-left,0px));top:calc(12px + var(--sat))}
#mute{left:calc(14px + env(safe-area-inset-left,0px));bottom:calc(14px + var(--sab))}
#mute .cross{display:none}
#mute.off .wave{display:none}#mute.off .cross{display:block}
#gear{right:calc(14px + env(safe-area-inset-right,0px));bottom:calc(14px + var(--sab));width:44px;height:44px;opacity:.55}
#gear svg{width:40px;height:40px}
#gear .ring{stroke:var(--accent);stroke-dasharray:107;stroke-dashoffset:107;transform:rotate(-90deg);transform-origin:center;transition:stroke-dashoffset 0s}
#gear.holding .ring{stroke-dashoffset:0;transition:stroke-dashoffset 3s linear}

/* ---- theme picker: every cover visible at once, wraps into rows, scrolls vertically only if it must ---- */
#themes{justify-content:flex-start;gap:12px;padding-top:calc(14px + var(--sat))}
.themegrid{display:flex;flex-wrap:wrap;justify-content:center;align-content:flex-start;gap:var(--cgap,10px);width:min(96vw,1100px);flex:1;min-height:0;overflow:hidden;padding:4px 6px 8px;scrollbar-width:none}
.themegrid::-webkit-scrollbar{display:none}
.cover{display:block;width:var(--cover,120px);height:auto;aspect-ratio:1;flex:none;border-radius:22px;overflow:hidden;box-shadow:0 14px 30px -14px rgba(0,0,0,.7);transition:transform .2s;position:relative;background:var(--surface)}
.cover:active{transform:scale(.95)}
.cover img{width:100%;height:100%;display:block;object-fit:cover}
.cover .stars{position:absolute;left:0;right:0;bottom:0;padding:10px 0 4px;display:flex;justify-content:center;gap:3px;background:linear-gradient(transparent,rgba(0,0,0,.55))}
.cover .stars i{width:clamp(8px,10%,13px);height:clamp(8px,10%,13px);background:var(--accent);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);opacity:.3}
.cover .stars i.on{opacity:1}
/* the cover size is computed by layoutThemes() in app.js so that EVERY theme fits on one screen, no scrolling:
   3 per row on a phone in portrait, more columns when the screen is wider */
#themes .host.small{width:var(--swt,120px)}

/* ---- level picker ---- */
.levelgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:min(92vw,520px)}
.levelgrid .lvl{aspect-ratio:1;border-radius:24px;background:var(--surface);border:2px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;position:relative;transition:transform .15s}
.levelgrid .lvl:active{transform:scale(.95)}
.levelgrid .lvl.next{animation:pulseNext 1.8s ease-in-out infinite;border-color:var(--accent)}
@keyframes pulseNext{0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(255,209,102,0)}50%{transform:scale(1.04);box-shadow:0 0 0 10px rgba(255,209,102,.18)}}
.levelgrid .mg{display:grid;gap:3px;width:56%}
.levelgrid .mg i{display:block;aspect-ratio:1;background:var(--tileBack);border-radius:18%}
.levelgrid .st{display:flex;gap:3px;height:16px}
.levelgrid .st i{width:16px;height:16px;background:var(--accent);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);opacity:.22}
.levelgrid .st i.on{opacity:1}
@media (orientation:landscape){.levelgrid{grid-template-columns:repeat(5,1fr);width:min(92vw,900px)}}

/* ---- game ---- */
#game{padding:calc(6px + var(--sat)) 2px calc(6px + var(--sab));gap:0}
/* Signal Sweep order, pictures only: header (side controls + Sweepy), level badges + pair counter, board, hint */
.stage{display:grid;min-width:0;min-height:0;grid-template-rows:auto auto 1fr;grid-template-areas:"hd" "lv" "bd";align-items:center;justify-items:center;width:100%;height:100%;gap:6px}
.ghead{grid-area:hd;display:grid;grid-template-columns:1fr auto 1fr;align-items:end;column-gap:clamp(10px,3vw,24px);width:100%;max-width:820px;padding:0 6px}
/* the two pairs of controls sit on one line, a little below Sweepy's eyes */
.gside{display:flex;align-items:center;gap:clamp(6px,1.8vw,12px);min-width:0;padding-bottom:calc(var(--sw,120px) * .22)}
.gside.l{justify-content:flex-end}.gside.r{justify-content:flex-start}
.corner{position:absolute;left:calc(12px + env(safe-area-inset-left,0px));top:calc(12px + var(--sat));display:flex;gap:8px;z-index:3}
.gbtn{width:clamp(32px,8.5vw,40px);height:clamp(32px,8.5vw,40px);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:var(--mut);border:1.5px solid var(--line);transition:transform .15s,color .2s,border-color .2s}
.gbtn svg{width:58%;height:58%;fill:currentColor;stroke:currentColor}
.gbtn.big{width:56px;height:56px}
.gbtn:active{transform:scale(.9)}
.gbtn.done{color:var(--accent);border-color:var(--accent)}
.mutebtn .cross{display:none}.mutebtn.off .wave{display:none}.mutebtn.off .cross{display:block}
.host.game{grid-area:auto}
.grow{grid-area:lv;display:flex;align-items:center;justify-content:space-between;gap:8px;width:var(--boardw,100%);max-width:100%}
.lvrow{display:flex;gap:clamp(4px,1.2vw,8px)}
.lvrow button{position:relative;width:clamp(36px,9.5vw,46px);height:clamp(36px,9.5vw,46px);border-radius:11px;background:var(--surface);border:2px solid var(--line);display:flex;align-items:center;justify-content:center;transition:transform .15s,border-color .2s,background .2s}
.lvrow button:active{transform:scale(.92)}
.lvrow button .mg{display:grid;gap:2px;width:60%}
.lvrow button .mg i{display:block;aspect-ratio:1;background:var(--tileBack);border-radius:22%;opacity:.55}
.lvrow button.on{border-color:var(--accent);background:linear-gradient(135deg,rgba(255,209,102,.22),rgba(255,209,102,.08))}
.lvrow button.on .mg i{opacity:1}
.lvrow button.star::after{content:"";position:absolute;top:-6px;right:-6px;width:13px;height:13px;background:var(--accent);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.pairs{display:inline-flex;align-items:center;gap:4px;font-weight:800;font-size:clamp(18px,5vw,24px);color:var(--accent);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.pairs svg{width:28px;height:28px;fill:var(--tileBack);margin-right:2px}
.pairs svg .p2{fill:var(--accent)}
.pairs i{font-style:normal;color:var(--mut);font-weight:600;margin:0 1px}
.pairs b{min-width:1.1ch;text-align:center}
.pairs.bump b:first-of-type{animation:pairbump .45s}
@keyframes pairbump{0%{transform:scale(1)}40%{transform:scale(1.5)}100%{transform:scale(1)}}
.boardwrap{grid-area:bd;position:relative;min-width:0;overflow:hidden;display:flex;align-items:center;justify-content:center;width:var(--boardw,100%);height:var(--boardh,100%);min-height:0;border-radius:22px;background:rgba(255,255,255,.035);padding:6px}
/* pop-ups (help / install): one picture card, tap anywhere to close */
.gpop{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(5,7,20,.72);z-index:20;animation:fadein .25s}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.gpop .card{background:var(--surface);border:2px solid var(--line);border-radius:28px;padding:22px 26px;display:flex;flex-direction:column;align-items:center;gap:18px;max-width:92vw;box-shadow:0 20px 60px -20px #000}
.gpop .card.row{flex-direction:row;gap:14px}
.gpop .card.set{gap:22px;padding:24px 28px}
.setrow{display:flex;gap:18px;align-items:center;justify-content:center}
.setbtn{width:96px;height:96px;border-radius:26px;background:rgba(255,255,255,.06);border:2.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;transition:transform .15s,border-color .2s,background .2s}
.setbtn svg{width:70%;height:70%;fill:var(--mut)}
.setbtn svg .dk{fill:#0B0E1C}.setbtn svg .dkS{stroke:#0B0E1C}.setbtn svg .bal{fill:#FF5FA8}.setbtn svg .balS{stroke:#FF5FA8}
.setbtn.on{border-color:var(--accent);background:rgba(255,255,255,.12)}.setbtn.on svg{fill:#fff}
.setbtn:active{transform:scale(.94)}
.gpop .card.themes{padding:14px;max-height:88vh;overflow-y:auto;overscroll-behavior:contain}
.themegrid.pop{display:grid;grid-template-columns:repeat(var(--pcols,3),var(--pcover,84px));gap:10px;justify-content:center}
.themegrid.pop .cover{width:var(--pcover,84px);border-radius:18px}
.themegrid.pop .cover.on{outline:3px solid var(--accent);outline-offset:2px}
.gpop .arrow{color:var(--mut);font-size:26px;font-weight:700}
.gpop .big{width:52px;height:52px;fill:none;stroke:var(--txt)}
.gpop .big.ios{stroke:#4da3ff}
.demo{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.demo .t{width:clamp(48px,14vw,72px);aspect-ratio:1;position:relative;transform-style:preserve-3d;border-radius:14%}
.demo .t span{position:absolute;inset:0;border-radius:14%;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}
.demo .t span img{width:100%;height:100%;object-fit:cover;display:block}
.demo .t .b{transform:rotateY(180deg);background:#fff}
.demo .t:nth-child(1){animation:dflipA 5.2s ease-in-out infinite}
.demo .t:nth-child(3){animation:dflipB 5.2s ease-in-out infinite}
.demo .t:nth-child(1) .b,.demo .t:nth-child(3) .b{animation:dglow 5.2s infinite}
@keyframes dflipA{0%,14%{transform:rotateY(0)}22%,86%{transform:rotateY(180deg)}94%,100%{transform:rotateY(0)}}
@keyframes dflipB{0%,40%{transform:rotateY(0)}48%,86%{transform:rotateY(180deg)}94%,100%{transform:rotateY(0)}}
@keyframes dglow{0%,52%{box-shadow:none}58%,84%{box-shadow:0 0 0 3px var(--accent),0 0 22px 4px rgba(255,209,102,.6)}90%,100%{box-shadow:none}}
.demoline{display:flex;align-items:center;gap:10px}
.demoline .hand{width:34px;height:34px;stroke:var(--txt);fill:none}
.demoline .star{width:30px;height:30px;background:var(--accent);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.board{display:grid;grid-template-columns:repeat(var(--cols),var(--tile));grid-auto-rows:var(--tile);gap:var(--gap);perspective:900px;transition:opacity .3s}
.board.asleep{opacity:.45}
.tile{position:relative;width:var(--tile);height:var(--tile);transform-style:preserve-3d;transition:transform .38s cubic-bezier(.4,.2,.2,1.1);border-radius:14%;}
.tile.up,.tile.found{transform:rotateY(180deg)}
.tile .f,.tile .b{position:absolute;inset:0;border-radius:14%;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;box-shadow:0 6px 14px -6px rgba(0,0,0,.6)}
.tile .f img,.tile .b img{width:100%;height:100%;display:block;object-fit:cover;pointer-events:none}
.tile .b{transform:rotateY(180deg);background:#fff}
.tile.found .b{box-shadow:0 0 0 3px var(--accent),0 0 22px 2px rgba(255,209,102,.55);animation:foundpop .5s}
.tile.found{pointer-events:none}
@keyframes foundpop{0%{transform:rotateY(180deg) scale(1)}40%{transform:rotateY(180deg) scale(1.12)}100%{transform:rotateY(180deg) scale(1)}}
.tile.hintglow{animation:wobble .9s ease-in-out}
.tile.hintglow .f{box-shadow:0 0 0 4px var(--accent),0 0 26px 4px rgba(255,209,102,.7)}
@keyframes wobble{0%,100%{transform:rotate(0)}20%{transform:rotate(-7deg) scale(1.06)}40%{transform:rotate(6deg) scale(1.06)}60%{transform:rotate(-4deg) scale(1.04)}80%{transform:rotate(3deg)}}
.beam{position:absolute;top:-4%;bottom:-4%;width:14%;left:-20%;background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),rgba(255,255,255,.75),rgba(34,211,238,.55),transparent);filter:blur(2px);opacity:0;pointer-events:none;border-radius:20px}
.beam.on{animation:sweep 1s ease-in-out}
@keyframes sweep{0%{left:-20%;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:106%;opacity:0}}

.hintbtn{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 0 rgba(255,209,102,.5);animation:hintReady 2s ease-in-out infinite}
.hintbtn svg{width:62%;height:62%;fill:none}
.hintbtn.off{opacity:.35;filter:grayscale(.8);animation:none;border-color:var(--line);color:var(--mut);pointer-events:none}
@keyframes hintReady{0%,100%{box-shadow:0 0 0 0 rgba(255,209,102,.45)}50%{box-shadow:0 0 0 10px rgba(255,209,102,0)}}
/* Hard-mode "try again": sits over the dimmed board */
#tryagain{position:absolute;left:50%;top:58%;transform:translate(-50%,-50%);z-index:5}

/* ---- win ---- */
#win{overflow:hidden}
.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.confetti i{position:absolute;top:-4vh;width:12px;height:18px;border-radius:3px;animation:cffall linear forwards;opacity:.95}
@keyframes cffall{to{transform:translateY(110vh) rotate(760deg)}}
.winstars{display:flex;gap:14px;height:64px}
.winstars i{width:64px;height:64px;background:var(--accent);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);opacity:0;transform:scale(0)}
.winstars i.on{animation:starin .6s cubic-bezier(.3,1.5,.5,1) forwards}
.winstars i.dim{opacity:.18;transform:scale(1)}
@keyframes starin{0%{opacity:0;transform:scale(0) rotate(-40deg)}100%{opacity:1;transform:scale(1) rotate(0)}}
.winbtns{display:flex;gap:28px}

/* ---- parent settings (the only text screen, §9) ---- */
.screen.text{justify-content:flex-start;overflow-y:auto;background:#0B0E1C}
.panel{width:min(92vw,560px);background:#131735;border:1px solid var(--line);border-radius:20px;padding:22px 22px 26px;display:flex;flex-direction:column;gap:14px;font-size:15px;line-height:1.5;user-select:text;-webkit-user-select:text}
.panel h1{font-size:22px;margin:0 0 6px}
.panel h2{font-size:17px;margin:10px 0 0}
.panel .row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.panel .row.col{flex-direction:column;align-items:stretch;gap:8px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:0}
.panel legend{padding:0 6px;color:var(--mut)}
.panel label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.panel input[type=checkbox],.panel input[type=radio]{width:22px;height:22px;flex:none;accent-color:#5D5FEF;margin-top:2px}
.panel select{font:inherit;padding:6px 10px;border-radius:8px;background:#1B2044;color:#fff;border:1px solid var(--line)}
.panel .help{color:var(--mut);font-size:13.5px;margin:0}
.panel .primary{margin-top:8px;height:46px;border-radius:12px;background:linear-gradient(120deg,#5D5FEF,#22D3EE);color:#fff;font-weight:600}
.panel .danger{height:40px;padding:0 16px;border-radius:10px;border:1px solid #e24b4a;color:#ff7b7b}

@media (prefers-reduced-motion:reduce){
  .playbtn,.levelgrid .lvl.next,.hintbtn,.host.game.asleep{animation:none}
  .confetti i{animation-duration:.8s !important}
  .tile{transition-duration:.15s}
}