:root{
  --ink:#2a211a;
  --cream:#fbf4e8;
  --gold:#c79a3e;
  --gold-soft:#e7c878;
  --rose:#d98a7e;
  --bg-dark:#14100c;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden}
body{
  font-family:"Heebo","Assistant","Arial Hebrew",-apple-system,system-ui,sans-serif;
  color:var(--ink);background:var(--bg-dark);
  -webkit-user-select:none;user-select:none;
  position:fixed;inset:0;width:100%;
}
button{font-family:inherit;cursor:pointer;border:none;color:inherit}

/* ---------- screens & overlays ---------- */
.screen{position:absolute;inset:0;display:none}
.screen.show{display:block}
.overlay{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(10,8,6,.92);backdrop-filter:blur(8px);z-index:40}
.overlay.show{display:flex}
.overlay.full{background:var(--cream);align-items:stretch;justify-content:flex-start}
/* the lightbox must sit ABOVE the album (when opened from it) — same z-index let the later
   element (album) win, hiding the lightbox until the album was closed. */
#lightbox{z-index:50}

/* ---------- welcome ---------- */
#welcome{
  background:
    radial-gradient(120% 90% at 50% 0%, #2a1f16 0%, #14100c 60%),
    var(--bg-dark);
  display:none;color:var(--cream);
  overflow-y:auto;z-index:200;
}
#welcome.show{display:flex}
.welcome-inner{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:calc(36px + var(--safe-top)) 26px calc(36px + var(--safe-bottom));gap:14px;margin:auto}
.portrait-frame{width:230px;height:230px;border-radius:50%;padding:6px;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));box-shadow:var(--shadow);margin-bottom:6px}
.portrait-frame img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block;border:3px solid #fff5e2}
#welcome h1{font-size:34px;line-height:1.25;margin:6px 0 0;font-weight:800;letter-spacing:.2px}
#welcome .big{font-size:23px;color:var(--gold-soft);margin:0;font-weight:700}
#welcome .sub{font-size:18px;line-height:1.6;color:#e8dcc8;max-width:30ch;margin:8px 0 4px;opacity:.92}
.cta{
  margin-top:14px;font-size:21px;font-weight:800;color:#3a2a12;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  padding:18px 30px;border-radius:40px;box-shadow:var(--shadow);
  min-height:64px;animation:breathe 2.6s ease-in-out infinite;
}
.cta:active{transform:scale(.97)}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.035)}}
.hint-small{font-size:14.5px;color:#b7a98f;margin-top:14px;max-width:26ch}

/* ---------- viewer ---------- */
/* OpenSeadragon forces this element to position:relative, so size it with width/height
   (not inset) or it collapses to height:0. */
/* reserve space at the bottom so the toolbar doesn't cover/block the bottom row of tiles */
#osd{position:absolute;inset:0;width:100%;height:calc(100% - 96px - env(safe-area-inset-bottom));background:#14100c}
.topbar{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;
  gap:10px;padding:calc(10px + var(--safe-top)) 14px 10px;z-index:10;pointer-events:none}
.topbar>*{pointer-events:auto}
.top-actions{display:flex;gap:10px}
.pill{background:rgba(20,16,12,.62);backdrop-filter:blur(10px);color:#fff;border:1px solid rgba(255,255,255,.16);
  border-radius:30px;padding:11px 18px;font-size:16.5px;font-weight:600;box-shadow:var(--shadow);min-height:46px}
.pill b{color:var(--gold-soft);font-size:18px;margin:0 3px}
.round{width:50px;height:50px;border-radius:50%;background:rgba(20,16,12,.62);backdrop-filter:blur(10px);
  color:#fff;font-size:21px;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center}
.round.big{width:58px;height:58px;font-size:30px;font-weight:700}
.round:active,.action:active{transform:scale(.93)}
.zoombar{position:absolute;left:14px;bottom:calc(108px + var(--safe-bottom));display:flex;flex-direction:column;gap:12px;z-index:10}
.bottombar{position:absolute;left:0;right:0;bottom:calc(18px + var(--safe-bottom));display:flex;justify-content:center;
  gap:12px;padding:0 14px;z-index:10}
.action{background:rgba(20,16,12,.72);backdrop-filter:blur(10px);color:#fff;border:1px solid rgba(255,255,255,.18);
  border-radius:34px;padding:15px 22px;font-size:18px;font-weight:700;box-shadow:var(--shadow);min-height:56px}
.action.ghost{background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:#3a2a12;border:none}

/* reveal pulse overlay (drawn by OSD) */
.reveal-pulse{border:3px solid var(--gold-soft);border-radius:6px;box-shadow:0 0 0 3px rgba(0,0,0,.35);
  animation:pulse .7s ease-out;pointer-events:none}
@keyframes pulse{0%{transform:scale(1);opacity:1}100%{transform:scale(1.25);opacity:0}}

/* tappable hint ring shown when zoomed in */
.tap-ring{position:absolute;width:74px;height:74px;border-radius:12px;border:2.5px dashed rgba(231,200,120,.9);
  transform:translate(-50%,-50%);pointer-events:none;animation:ring 1.1s ease-out;z-index:9}
@keyframes ring{0%{opacity:.95;transform:translate(-50%,-50%) scale(.8)}100%{opacity:0;transform:translate(-50%,-50%) scale(1.15)}}

/* ---------- toast ---------- */
.toast{position:absolute;left:50%;bottom:calc(96px + var(--safe-bottom));transform:translateX(-50%) translateY(20px);
  background:rgba(20,16,12,.92);color:#fff;padding:14px 20px;border-radius:20px;font-size:16.5px;font-weight:600;
  max-width:84vw;text-align:center;box-shadow:var(--shadow);opacity:0;transition:opacity .3s,transform .3s;z-index:30;
  border:1px solid rgba(231,200,120,.35)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- lightbox ---------- */
.close{position:absolute;top:calc(14px + var(--safe-top));left:16px;width:50px;height:50px;border-radius:50%;
  background:rgba(255,255,255,.16);color:#fff;font-size:22px;z-index:50;display:flex;align-items:center;justify-content:center}
.lb-stage{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;padding:20px;max-width:94vw}
#lbImg{max-width:92vw;max-height:64vh;border-radius:14px;border:5px solid #fff;box-shadow:0 14px 50px rgba(0,0,0,.6);
  background:#222;animation:bloom .45s cubic-bezier(.2,.9,.25,1.2)}
/* low-confidence "peek": the real tile crop is only 180px native; present it at a steady size */
#lbImg.crop{width:78vw;max-width:340px;height:auto;image-rendering:auto}
@keyframes bloom{0%{transform:scale(.6);opacity:0}100%{transform:scale(1);opacity:1}}
.new-badge{background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:#3a2a12;font-weight:800;
  padding:9px 20px;border-radius:30px;font-size:19px;box-shadow:var(--shadow);display:none}
.new-badge.show{display:block;animation:pop .5s ease}
@keyframes pop{0%{transform:scale(0)}70%{transform:scale(1.15)}100%{transform:scale(1)}}
.lb-caption{color:#f0e6d4;font-size:17px;margin:0;text-align:center;max-width:30ch}
.lb-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap;justify-content:center;padding:0 14px}

/* ---------- album ---------- */
.album-head{flex:0 0 auto;width:100%;background:var(--cream);padding:calc(14px + var(--safe-top)) 16px 12px;
  box-shadow:0 4px 14px rgba(0,0,0,.06);z-index:5}
.album-head h2{margin:2px 0 10px;text-align:center;font-size:24px;font-weight:800;color:var(--ink)}
.album-head .close{position:absolute;top:calc(14px + var(--safe-top));left:14px;background:rgba(0,0,0,.07);color:var(--ink)}
.album-progress{display:flex;align-items:center;gap:12px;max-width:520px;margin:0 auto;padding:0 44px}
.album-progress .bar{flex:1;height:14px;border-radius:10px;background:#e8ddc8;overflow:hidden}
.album-progress .fill{height:100%;width:0;background:linear-gradient(90deg,var(--gold-soft),var(--gold));
  border-radius:10px;transition:width .5s ease}
.album-progress span{font-size:16px;font-weight:700;color:var(--ink)}
.album-progress b{color:var(--gold)}
.grid{flex:1 1 auto;min-height:0;width:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding:14px 12px calc(30px + var(--safe-bottom));
  display:grid;grid-template-columns:repeat(4,1fr);gap:9px;align-content:start;
  align-items:start;justify-items:stretch}
/* Square cells via padding-bottom (reliable in grid; aspect-ratio doesn't size auto tracks). */
.cell{position:relative;width:100%;padding-bottom:100%;height:0;border-radius:12px;overflow:hidden;background:#ece1cd}
.cell.locked{background:repeating-linear-gradient(135deg,#ece1cd,#ece1cd 8px,#e6d8be 8px,#e6d8be 16px)}
.cell.locked::after{content:"❓";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:24px;opacity:.55}
.cell img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.cell.found{box-shadow:0 2px 8px rgba(0,0,0,.14);cursor:pointer}
.cell.just-found{animation:reveal .6s ease}
@keyframes reveal{0%{transform:scale(.4);opacity:0}100%{transform:scale(1);opacity:1}}

/* ---------- video ---------- */
#videoEl{max-width:100vw;max-height:80vh;width:100%;background:#000}

/* ---------- celebration ---------- */
.celebrate{position:absolute;inset:0;pointer-events:none;display:none;z-index:60;overflow:hidden}
.celebrate.show{display:block}
.celebrate-msg{position:absolute;top:34%;left:50%;transform:translate(-50%,-50%);
  background:rgba(20,16,12,.9);color:#fff;padding:20px 28px;border-radius:24px;font-size:23px;font-weight:800;
  text-align:center;max-width:80vw;box-shadow:var(--shadow);border:2px solid var(--gold-soft);
  animation:pop .5s ease}
/* when reused as a bare confetti burst (memory game) there is no message — hide the empty box */
.celebrate-msg:empty{display:none}
.heart{position:absolute;top:-40px;font-size:30px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(112vh) rotate(40deg);opacity:.9}}

/* ---------- memory game (משחק זיכרון) ---------- */
#memory{color:var(--ink)}
.mem-view{display:none;flex:1;width:100%;min-height:0;flex-direction:column}
.mem-view.show{display:flex}

/* setup */
.mem-setup{align-items:center;justify-content:center;text-align:center;
  padding:calc(20px + var(--safe-top)) 22px calc(24px + var(--safe-bottom));gap:14px}
.mem-exit{background:rgba(0,0,0,.07);color:var(--ink)}
.mem-setup h2{font-size:30px;font-weight:800;margin:0}
.mem-sub{font-size:17px;color:#6b5a44;max-width:30ch;margin:0 0 6px;line-height:1.5}
.mem-levels{display:flex;flex-direction:column;gap:12px;width:100%;max-width:340px}
.mem-level{display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:linear-gradient(135deg,#fff,#fbf1dc);border:2px solid var(--gold-soft);border-radius:18px;
  padding:15px 20px;font-size:20px;font-weight:800;color:var(--ink);box-shadow:0 4px 14px rgba(0,0,0,.08);
  min-height:62px}
.mem-level:active{transform:scale(.98)}
.mem-level .lv-pairs{font-size:15px;font-weight:600;color:#8a7355}
.mem-level .lv-stars{font-size:15px;letter-spacing:1px;white-space:nowrap}
.mem-records-link{background:none;color:#8a6d2f;font-size:17px;font-weight:700;
  text-decoration:underline;padding:8px;margin-top:2px}

/* records */
.mem-records-view{align-items:center;gap:14px;overflow-y:auto;
  padding:calc(20px + var(--safe-top)) 18px calc(24px + var(--safe-bottom))}
.mem-records-view h2{font-size:26px;font-weight:800;margin:0}
.mem-records-body{width:100%;max-width:420px;display:flex;flex-direction:column;gap:10px}
.rec-row{background:#fff;border:1px solid #ecdcbf;border-radius:14px;padding:12px 14px;box-shadow:0 3px 10px rgba(0,0,0,.05)}
.rec-row h3{margin:0 0 6px;font-size:18px;font-weight:800;display:flex;justify-content:space-between;gap:8px}
.rec-row .rec-stars{letter-spacing:1px}
.rec-row .rec-line{display:flex;justify-content:space-between;font-size:15px;color:#6b5a44;gap:8px;padding:2px 0}
.rec-row .rec-line b{color:var(--ink)}
.rec-empty{color:#a08a6b;font-size:15px}

/* board */
.mem-board-view{overflow:hidden;padding:calc(8px + var(--safe-top)) 10px calc(10px + var(--safe-bottom))}
.mem-hud{flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:2px 2px 10px}
.mem-hud .spacer{flex:1}
.mem-hud-btn{width:46px;height:46px;border-radius:50%;background:#efe2c9;color:var(--ink);font-size:20px;
  border:1px solid #e0cda7;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.mem-hud-btn:active{transform:scale(.93)}
.mem-stat{font-size:16px;font-weight:700;color:var(--ink);background:#fff;border:1px solid #ecdcbf;
  border-radius:14px;padding:8px 12px;white-space:nowrap}
.mem-stat b{color:var(--gold);margin:0 3px}

.mem-grid{flex:1 1 auto;min-height:0;display:grid;gap:8px;grid-auto-rows:1fr}
.mcard{position:relative;perspective:800px;cursor:pointer;min-height:0}
.mcard-inner{position:absolute;inset:0;transform-style:preserve-3d;
  transition:transform .45s cubic-bezier(.2,.8,.3,1.2)}
.mcard.up .mcard-inner,.mcard.matched .mcard-inner{transform:rotateY(180deg)}
.mface{position:absolute;inset:0;border-radius:12px;overflow:hidden;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 3px 10px rgba(0,0,0,.18)}
.mback{background:linear-gradient(135deg,var(--gold-soft),var(--gold));border:3px solid #fff5e2;
  display:flex;align-items:center;justify-content:center;font-size:30px}
.mback::after{content:"🌸";filter:drop-shadow(0 1px 2px rgba(0,0,0,.25))}
.mfront{transform:rotateY(180deg);background:#fff;border:3px solid #fff}
.mfront img{width:100%;height:100%;object-fit:cover;display:block}
.mcard.deal{animation:deal .4s ease both}
@keyframes deal{0%{opacity:0;transform:translateY(14px) scale(.82)}100%{opacity:1;transform:none}}
.mcard.matched{opacity:.94;animation:matched .5s ease}
.mcard.matched .mface{box-shadow:0 0 0 3px var(--gold-soft),0 4px 16px rgba(199,154,62,.5)}
@keyframes matched{0%{transform:scale(1)}40%{transform:scale(1.07)}100%{transform:scale(1)}}
.mcard.nope{animation:nope .4s ease}
@keyframes nope{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* win */
.mem-win-view{align-items:center;justify-content:center;padding:24px}
.mem-win-card{background:#fff;border-radius:24px;padding:24px;max-width:360px;width:100%;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.25);border:2px solid var(--gold-soft)}
.mem-stars{font-size:40px;letter-spacing:6px;min-height:48px}
.mem-stars .star{display:inline-block;animation:starpop .5s ease both}
@keyframes starpop{0%{transform:scale(0) rotate(-30deg);opacity:0}70%{transform:scale(1.3)}100%{transform:scale(1)}}
.mem-win-card h2{font-size:26px;margin:6px 0}
.mem-score{font-size:46px;font-weight:800;color:var(--gold);margin:2px 0;line-height:1}
.mem-score-rec{color:#c0392b;font-weight:800;font-size:14px;min-height:18px;margin-bottom:6px}
.mem-win-stats{display:flex;justify-content:center;gap:22px;margin:6px 0 18px;flex-wrap:wrap}
.mem-win-stats .ws{display:flex;flex-direction:column;gap:2px;font-size:14px;color:#6b5a44}
.mem-win-stats .ws b{font-size:22px;color:var(--ink)}
.mem-win-stats .rec{color:#c0392b;font-size:11px;font-weight:800;display:block}
.mem-win-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

@media(min-width:600px){
  .grid{grid-template-columns:repeat(6,1fr);gap:12px;max-width:900px;margin:0 auto}
  #welcome h1{font-size:42px}
  #lbImg{max-height:70vh}
  .mem-grid{gap:12px;max-width:760px;margin:0 auto;width:100%}
  .mem-levels{max-width:420px}
}
@media(min-width:900px){.grid{grid-template-columns:repeat(8,1fr)}}