/* ===========================================================================
   Curiosity Lab, styles
   Design tokens from the approved handoff (turn 3). Responsive, light + dark.
   Fonts: rounded system stack by default. To use the designed Baloo 2 / Nunito,
   drop the .woff2 files in /fonts and uncomment the @font-face blocks below.
   =========================================================================== */

/*  --- Optional self-hosted fonts (offline-first). Uncomment after adding files ---
@font-face{font-family:'Baloo 2';font-weight:600;src:url(../fonts/baloo2-600.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Baloo 2';font-weight:700;src:url(../fonts/baloo2-700.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Baloo 2';font-weight:800;src:url(../fonts/baloo2-800.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Nunito';font-weight:400;src:url(../fonts/nunito-400.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Nunito';font-weight:600;src:url(../fonts/nunito-600.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Nunito';font-weight:700;src:url(../fonts/nunito-700.woff2) format('woff2');font-display:swap}
@font-face{font-family:'Nunito';font-weight:800;src:url(../fonts/nunito-800.woff2) format('woff2');font-display:swap}
*/

:root{
  --ink:#2A2350; --muted:#7B6FA6;
  --primary:#7A3FF2; --primary-press:#5A24C8;
  --green:#12BE5E; --green-dark:#0C9A48;
  --gold:#FFB01F; --gold-dark:#D98600;
  --orange:#FF7A2F; --sun:#FFD645;
  --raspberry:#FF4E86;
  --bg1:#DCECFF; --bg2:#F1ECFF; --bg3:#FFE7CE;
  --card:#fff; --card-border:rgba(42,35,80,.10);
  --locked-fill:#F4ECDC; --locked-border:#D8CDB6; --locked-text:#9C8F78;
  --panel:#fff; --shadow:rgba(42,35,80,.16);
  --soft:0 0 26px -4px color-mix(in srgb,var(--primary) 45%,transparent); --soft-sm:0 0 18px -4px color-mix(in srgb,var(--primary) 40%,transparent);
  --font-display:'Baloo 2','Fredoka','Trebuchet MS',system-ui,sans-serif;
  --font-body:'Nunito',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
html[data-theme="dark"]{
  --ink:#F4EEFF; --muted:#BCADEC;
  --primary:#B79BFF; --primary-press:#7C5BE0;
  --green:#3DE07B; --green-dark:#1FB85C;
  --gold:#FFCB4D; --gold-dark:#E0A526;
  --orange:#FF9457; --sun:#FFE066;
  --raspberry:#FF74AC;
  --bg1:#2A1E63; --bg2:#4B2179; --bg3:#1E2B7C;
  --card:rgba(255,255,255,.10); --card-border:rgba(255,255,255,.20);
  --locked-fill:rgba(255,255,255,.06); --locked-border:#5E5296; --locked-text:#BCADEC;
  --panel:#2E2464; --shadow:rgba(0,0,0,.5);
  --soft:0 0 30px -4px color-mix(in srgb,var(--primary) 60%,transparent); --soft-sm:0 0 20px -4px color-mix(in srgb,var(--primary) 50%,transparent);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:linear-gradient(155deg,var(--bg1) 0%,var(--bg2) 52%,var(--bg3) 100%);
  background-attachment:fixed;
  -webkit-text-size-adjust:100%;
  overflow-x:hidden;
}
/* Light "daytime" ambiance — subtle glow parity with the dark night sky */
html[data-theme="light"] body{
  background:
    radial-gradient(58% 42% at 86% -6%,rgba(255,201,92,.30),transparent 60%),
    radial-gradient(64% 46% at -4% 102%,rgba(122,63,242,.10),transparent 56%),
    linear-gradient(168deg,var(--bg1) 0%,var(--bg2) 50%,var(--bg3) 100%);
  background-attachment:fixed;
}
h1,h2,h3,.display{font-family:var(--font-display);margin:0}
button{font-family:var(--font-body);cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:8px}

#app{min-height:100%;display:flex;flex-direction:column}
.screen{flex:1;width:100%;max-width:1194px;margin:0 auto;padding:18px clamp(14px,3vw,40px) 40px}
#app.nav > .screen{animation:fade .22s ease-out}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001s!important;transition-duration:.001s!important}}

/* --- chunky press buttons --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-display);font-weight:800;font-size:17px;
  color:#fff;background:var(--primary);
  border-radius:999px;padding:14px 24px;min-height:48px;
  box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary-press) 60%,transparent);
  transition:transform .12s ease-out,box-shadow .12s ease-out;
  user-select:none;
}
.btn:active{transform:translateY(4px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary-press) 60%,transparent)}
.btn.green{background:var(--green);box-shadow:0 0 10px 2px color-mix(in srgb,var(--green-dark) 60%,transparent)}
.btn.green:active{box-shadow:0 0 8px 2px color-mix(in srgb,var(--green-dark) 60%,transparent)}
.btn.gold{background:var(--gold);color:#4a3400;box-shadow:0 0 10px 2px color-mix(in srgb,var(--gold-dark) 60%,transparent)}
.btn.gold:active{box-shadow:0 0 8px 2px color-mix(in srgb,var(--gold-dark) 60%,transparent)}
.btn.ghost{background:var(--card);color:var(--ink);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);border:2px solid var(--card-border)}
.btn.ghost:active{box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.btn.small{font-size:14px;padding:10px 16px;min-height:44px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary-press) 60%,transparent)}
.btn:disabled{opacity:.5;pointer-events:none}

.pill{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:2px solid var(--card-border);
  border-radius:999px;padding:8px 14px;font-weight:800;font-size:13px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 12px;font-weight:800;font-size:13px}
.chip.gold{background:#FFF3D6;color:var(--gold-dark)}
.chip.tint{background:var(--bg2);color:var(--primary)}
html[data-theme="dark"] .chip.gold{background:rgba(240,168,28,.18);color:var(--sun)}

/* --- top bar --- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.brand{display:flex;align-items:center;gap:11px}
.logo{width:44px;height:44px;border-radius:14px;background:var(--primary);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary-press) 60%,transparent);
  display:flex;align-items:center;justify-content:center;font-size:24px}
.brand .name{font-family:var(--font-display);font-weight:800;font-size:22px}
.topbar .cluster{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.seg{display:flex;background:var(--card);border:2px solid var(--card-border);border-radius:999px;padding:4px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.seg button{border-radius:999px;padding:7px 13px;font-weight:800;font-size:13px;color:var(--muted)}
.seg button.on{background:var(--primary);color:#fff}
.icon-btn{width:44px;height:44px;border-radius:999px;background:var(--card);border:2px solid var(--card-border);
  box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);display:flex;align-items:center;justify-content:center;font-size:20px}
.icon-btn:active{transform:translateY(2px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}

/* --- banner --- */
.banner{background:var(--card);border:2.5px solid var(--gold);border-radius:22px;padding:14px 22px;
  text-align:center;box-shadow:0 0 10px 2px rgba(240,168,28,.18);margin:8px 0 22px}
.banner h2{font-weight:800;font-size:19px}
.banner p{margin:4px 0 0;font-weight:700;font-size:15px;color:var(--gold-dark)}

/* --- lab map: serpentine expedition trail --- */
.mapscreen{max-width:1040px}
.expedition-pill{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  background:var(--card);border:2.5px solid var(--gold);border-radius:999px;padding:10px 24px;width:max-content;max-width:100%;
  margin:6px auto 26px;box-shadow:0 0 10px 2px rgba(240,168,28,.22)}
.expedition-pill b{font-family:var(--font-display);font-weight:800;font-size:18px}
.expedition-pill i{font-style:normal;font-weight:700;font-size:14px;color:var(--gold-dark)}
.expedition-pill .dia{width:11px;height:11px;background:var(--gold);transform:rotate(45deg);border-radius:2px;flex:none}

.trailmap{display:flex;flex-direction:column;align-items:stretch;gap:52px;margin:0 auto;max-width:920px;position:relative}
.trail-links{position:absolute;inset:0;width:100%;height:100%;z-index:0;overflow:visible;pointer-events:none}
.trailrow{display:flex;justify-content:center;align-items:flex-start;gap:clamp(40px,6vw,88px);position:relative;z-index:1}
.trailrow.rev{flex-direction:row-reverse}
.node{width:174px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:9px;background:none;position:relative;z-index:1;padding-top:14px}
.node .disc{width:118px;height:118px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  position:relative;box-sizing:border-box;transition:transform .12s}
.node.open:active .disc{transform:translateY(3px)}
.node.current .disc{width:140px;height:140px;animation:nodefloat 3s ease-in-out infinite}
@keyframes nodefloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@media (hover:hover){.node.open:hover .disc{transform:translateY(-4px);box-shadow:0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent)}}
.node.open .disc{transition:transform .15s,box-shadow .15s}
@media (prefers-reduced-motion:reduce){.node.current .disc{animation:none}}

/* celebration confetti */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:120;overflow:hidden}
.confetti i{position:absolute;top:-16px;width:11px;height:15px;border-radius:2px;opacity:.95;
  animation:conffall var(--dur,2s) cubic-bezier(.3,.6,.5,1) var(--delay,0s) forwards}
@keyframes conffall{0%{transform:translate(0,-20px) rotate(0);opacity:1}
  100%{transform:translate(var(--dx,0),102vh) rotate(720deg);opacity:.9}}
.node .ico{width:60%;display:flex;align-items:center;justify-content:center}
.node.current .ico{width:56%}
.node .ico svg{width:100%;height:auto;display:block}
.node .ico.muted{opacity:.5;filter:grayscale(.5)}
.node .nname{font-family:var(--font-display);font-weight:800;font-size:18px;line-height:1.05}
.node .nmeta{font-size:12.5px;font-weight:700;color:var(--muted)}
.mbadge{position:absolute;font-family:var(--font-display);font-weight:800;font-size:11px;letter-spacing:.03em;
  color:#fff;padding:4px 11px;border-radius:999px;white-space:nowrap;z-index:3;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.mbadge.here{top:-6px;left:50%;transform:translateX(-50%);background:var(--primary)}
.mbadge.open{top:-2px;right:14px;background:var(--green)}
.keepbtn{color:#fff;border-radius:999px;padding:8px 18px;font-family:var(--font-display);font-weight:800;font-size:14px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.lock-pill{background:#fff;color:var(--locked-text);border:2px solid var(--locked-border);border-radius:999px;
  padding:4px 12px;font-size:12px;font-weight:800;display:inline-flex;gap:5px;align-items:center}
html[data-theme="dark"] .lock-pill{background:rgba(255,255,255,.06)}
/* chain connectors */
.helix.h{width:clamp(38px,7vw,92px);height:22px;align-self:center;margin-top:44px;flex:none}
.helix.v{width:22px;height:46px;display:block}
.helix.lit{filter:drop-shadow(0 0 6px rgba(108,79,216,.25))}
.turn{display:flex;height:46px;margin:-2px 0}
.turn.right{justify-content:flex-end;padding-right:82px}
.turn.left{justify-content:flex-start;padding-left:82px}
@media (max-width:840px){
  .trailrow,.trailrow.rev{flex-wrap:wrap;flex-direction:row;gap:6px 0}
  .node{width:44%}
  .helix,.turn,.trail-links{display:none}
  .trailmap{gap:14px}
}
@media (max-width:460px){ .node{width:50%} }

/* --- wonder card --- */
.wonder{background:var(--card);border:2.5px solid var(--gold);border-radius:26px;padding:18px 20px;max-width:380px;
  margin:24px auto 0;box-shadow:0 0 12px 2px rgba(240,168,28,.16)}
.wonder .wtop{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.wonder .wsun{width:34px;height:34px;border-radius:12px;background:#FCE8C4;flex:none;position:relative}
.wonder .wsun::after{content:"";position:absolute;inset:0;margin:auto;width:15px;height:15px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(240,168,28,.3)}
html[data-theme="dark"] .wonder .wsun{background:rgba(240,168,28,.2)}
.wonder .lbl{font-family:var(--font-display);font-weight:800;font-size:12px;letter-spacing:.08em;color:var(--gold-dark);text-transform:uppercase}
.wonder .f{font-family:var(--font-display);font-weight:800;font-size:20px;margin:8px 0 14px;line-height:1.2}

/* --- zone screen --- */
.zone-head{display:flex;align-items:center;gap:14px;margin:6px 0 14px;flex-wrap:wrap}
.zone-tile{width:66px;height:66px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:34px;
  border:3px solid #fff;box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.zone-tile svg{width:64%;height:auto;display:block}
.zone-head .zt{font-family:var(--font-display);font-weight:800;font-size:28px}
.zone-head .zsub{font-size:14px;font-weight:700;color:var(--muted)}
.progressbar{height:14px;border-radius:999px;background:var(--card-border);overflow:hidden;max-width:640px;margin:6px 0 22px}
.progressbar > i{display:block;height:100%;border-radius:999px;background:var(--green);transition:width .4s}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.topic{background:var(--card);border:2.5px solid var(--card-border);border-radius:24px;padding:0;text-align:left;overflow:hidden;
  box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary) 55%,transparent);transition:transform .12s;display:flex;flex-direction:column}
.topic:active{transform:translateY(3px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.topic .tpic{position:relative;height:130px;display:flex;align-items:center;justify-content:center}
.topic .tpic-art{width:88px;max-width:60%;display:flex}
.topic .tpic-art svg{width:100%;height:auto}
.topic .tnum{position:absolute;top:10px;left:10px;font-family:var(--font-display);font-weight:800;font-size:12px;letter-spacing:.05em;
  padding:3px 10px;border-radius:999px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.topic .chip.gold{position:absolute;top:10px;right:10px}
.topic .tick{position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:50%;background:var(--green);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;box-shadow:0 0 8px 2px color-mix(in srgb,var(--green-dark) 60%,transparent)}
.topic .tbody{padding:14px 16px 15px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic .tt{font-family:var(--font-display);font-weight:800;font-size:17px;line-height:1.2}
.topic .tfoot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.topic .tm{font-size:12.5px;font-weight:800;color:var(--muted)}
.topic .tgo{font-family:var(--font-display);font-weight:800;font-size:15px;white-space:nowrap}
.topic.done{border-color:var(--green)}
.age-4-7 .topic .tt{font-size:19px}

/* --- explore / fact card --- */
.card-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70vh;text-align:center}
.factcard{background:var(--card);border:2.5px solid var(--card-border);border-radius:34px;
  max-width:720px;width:100%;padding:26px clamp(18px,4vw,40px) 28px;box-shadow:0 0 16px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.factcard .hero{height:200px;border-radius:22px;margin-bottom:18px;display:flex;align-items:center;justify-content:center;font-size:80px}
.factcard .hero .heroico{width:150px;max-width:52%;display:flex}
.factcard .hero .heroico svg{width:100%;height:auto}
.factcard .head{font-family:var(--font-display);font-weight:800;font-size:clamp(26px,4.4vw,34px);line-height:1.12}
.factcard .why{font-weight:600;font-size:18px;color:var(--ink);opacity:.86;margin:14px 0 0;line-height:1.4}
.factcard .note{font-size:13px;font-weight:700;color:var(--muted);margin-top:10px;font-style:italic}
.age-4-7 .factcard .head{font-size:clamp(30px,5.5vw,42px)}
.age-4-7 .factcard .why,.age-4-7 .factcard .chips{display:none}
.factcard .chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.action-row{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:24px;flex-wrap:wrap}
.exp-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.exp-row .btn{margin:0}

/* ===== Expedition / story framing ===== */
.exped-head{display:flex;align-items:center;gap:14px;background:var(--card);border:2px solid var(--card-border);
  border-radius:22px;padding:12px 16px;margin:2px 0 14px;box-shadow:var(--soft-sm)}
.rank-badge{flex:none;width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:30px;background:linear-gradient(150deg,var(--bg2),var(--bg3))}
html[data-theme="dark"] .rank-badge{background:linear-gradient(150deg,rgba(138,111,240,.3),rgba(60,80,200,.25))}
.rank-info{flex:1;min-width:0}
.rank-name{font-family:var(--font-display);font-weight:800;font-size:17px;line-height:1.1}
.rank-sub{font-weight:700;font-size:13px;color:var(--muted);margin:1px 0 6px}
.rank-sub b{color:var(--primary)}
.rank-bar{height:9px;border-radius:6px;background:var(--bg2);overflow:hidden}
html[data-theme="dark"] .rank-bar{background:rgba(255,255,255,.12)}
.rank-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--primary),var(--gold));transition:width .5s}
.rank-next{font-weight:700;font-size:11.5px;color:var(--muted);margin-top:4px}
.objective{display:flex;align-items:center;gap:12px;background:linear-gradient(150deg,var(--primary),var(--primary-press));
  color:#fff;border-radius:20px;padding:14px 16px;margin:0 0 14px;box-shadow:var(--soft-sm)}
.objective.done{background:linear-gradient(150deg,var(--green),var(--green-dark))}
.obj-ico{font-size:26px;flex:none}
.obj-info{flex:1;min-width:0}
.obj-lbl{font-family:var(--font-display);font-weight:800;font-size:11px;letter-spacing:.08em;opacity:.85}
.obj-txt{font-weight:800;font-size:15px;line-height:1.25;margin-top:2px}
.obj-go{flex:none;border:none;background:rgba(255,255,255,.24);color:#fff;font-weight:800;font-size:14px;
  border-radius:14px;padding:9px 14px;cursor:pointer}
.obj-go:disabled{opacity:.65;cursor:default}
.zone-mission{display:flex;align-items:center;gap:10px;background:var(--card);border:2px solid var(--card-border);
  border-radius:18px;padding:11px 14px;margin:0 0 16px;box-shadow:var(--soft-sm)}
.zone-mission.done{border-color:var(--green)}
.zm-ico{font-size:22px;flex:none}
.zm-txt{font-weight:800;font-size:14px;line-height:1.3;color:var(--ink)}
.exp-intro{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  background:rgba(18,12,44,.82);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);padding:20px;opacity:0;transition:opacity .26s}
.exp-intro.show{opacity:1}
.ei-card{background:var(--panel);border:3px solid var(--card-border);border-radius:28px;max-width:400px;width:100%;
  padding:26px 24px 24px;text-align:center;box-shadow:var(--soft);transform:translateY(16px) scale(.96);transition:transform .3s}
.exp-intro.show .ei-card{transform:none}
.ei-nova{width:96px;margin:-58px auto 6px}
.ei-card h2{font-family:var(--font-display);font-weight:800;font-size:23px;margin:4px 0 6px}
.ei-card p{font-weight:700;color:var(--muted);font-size:14.5px;line-height:1.4;margin:0 0 14px}
.ei-steps{display:flex;flex-direction:column;gap:10px;text-align:left;margin-bottom:18px}
.ei-step{display:flex;align-items:center;gap:12px;background:var(--bg1);border-radius:16px;padding:11px 14px;
  font-weight:700;font-size:13.5px;line-height:1.3}
html[data-theme="dark"] .ei-step{background:rgba(255,255,255,.07)}
.ei-step span{font-size:24px;flex:none}
.ei-card .btn.green{width:100%}
.dots{display:flex;gap:8px}
.dots i{width:10px;height:10px;border-radius:50%;background:var(--card-border)}
.dots i.on{background:var(--primary)}
.hint{margin-top:16px;font-size:13px;font-weight:700;color:var(--muted)}

/* --- quiz --- */
.quiz-head{display:flex;align-items:center;gap:14px;justify-content:space-between;flex-wrap:wrap;margin-bottom:8px}
.q-text{font-family:var(--font-display);font-weight:800;font-size:clamp(24px,4vw,34px);text-align:center;margin:18px auto 22px;max-width:820px;line-height:1.18}
.answers{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:860px;margin:0 auto}
@media (max-width:560px){.answers{grid-template-columns:1fr}}
.ans{background:var(--card);border:3px solid var(--card-border);border-radius:22px;padding:18px;
  font-family:var(--font-display);font-weight:800;font-size:19px;text-align:center;box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary) 55%,transparent);
  transition:transform .1s;min-height:64px}
.ans:active{transform:translateY(3px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.ans.correct{background:#E2F5E6;border-color:var(--green);color:var(--green-dark)}
.ans.wrong{background:#FBE3E7;border-color:var(--raspberry);color:#b23048}
.ans.dim{opacity:.5}
html[data-theme="dark"] .ans.correct{background:rgba(46,158,78,.22)}
html[data-theme="dark"] .ans.wrong{background:rgba(228,86,107,.22)}
.feedback{max-width:860px;margin:20px auto 0;border-radius:22px;padding:18px 20px;color:#fff;text-align:left;
  display:flex;gap:14px;align-items:flex-start}
.feedback.ok{background:var(--green)}
.feedback.no{background:var(--raspberry)}
.feedback .fb-emoji{font-size:30px;line-height:1}
.feedback h3{font-weight:800;font-size:18px}
.feedback p{margin:4px 0 0;font-weight:600;font-size:14px;opacity:.95}
.pointpop{position:fixed;left:50%;top:40%;transform:translateX(-50%);font-family:var(--font-display);font-weight:800;
  font-size:40px;color:var(--gold);text-shadow:0 0 8px 2px color-mix(in srgb,var(--gold-dark) 60%,transparent);pointer-events:none;animation:pop 1s ease-out forwards;z-index:60}
@keyframes pop{0%{opacity:0;transform:translate(-50%,10px) scale(.6)}25%{opacity:1;transform:translate(-50%,-6px) scale(1.1)}
  100%{opacity:0;transform:translate(-50%,-60px) scale(1)}}

/* --- experiments --- */
.exp-wrap{display:grid;grid-template-columns:minmax(320px,560px) 1fr;gap:24px;align-items:start}
@media (max-width:900px){.exp-wrap{grid-template-columns:1fr}}
.stage{background:var(--card);border:2.5px solid var(--card-border);border-radius:26px;padding:18px;box-shadow:var(--soft);position:relative}
.readout{font-family:var(--font-display);font-weight:800;font-size:20px;text-align:center;margin:12px 0}
.readout b{color:var(--primary)}
.ctrl{background:var(--card);border:2px solid var(--card-border);border-radius:20px;padding:16px;margin-bottom:14px;box-shadow:var(--soft-sm)}
.ctrl h4{font-family:var(--font-display);font-weight:800;font-size:15px;margin:0 0 10px}
.ctrl input[type=range]{width:100%;accent-color:var(--primary);height:26px}
.ctrl .val{font-weight:800;color:var(--primary)}
.ctrl .hintline{font-size:12px;font-weight:700;color:var(--muted);margin-top:8px}
.segbtns{display:flex;gap:8px;flex-wrap:wrap}
.segbtns button{border:2px solid var(--card-border);border-radius:14px;padding:10px 14px;font-weight:800;background:var(--card);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.segbtns button.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.explain{border-radius:22px;padding:18px 20px;color:#fff}
.explain .el{font-family:var(--font-display);font-weight:800;font-size:12px;letter-spacing:.06em;text-transform:uppercase;opacity:.85}
.explain p{margin:8px 0 12px;font-weight:600;font-size:15px;line-height:1.4}
.sort-pool{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:10px 0 6px}
.sort-chip{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--bg1);border:2.5px solid var(--card-border);border-radius:16px;padding:8px 12px;font-weight:800;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);transition:transform .12s}
html[data-theme="dark"] .sort-chip{background:rgba(255,255,255,.07)}
.sort-chip .sc-n{font-size:12px}
.sort-chip.sel{border-color:var(--primary);background:var(--bg2);transform:translateY(-3px) scale(1.05)}
.sort-chip.gone{display:none}
.sort-bins{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.sort-bin{border:3px dashed var(--card-border);border-radius:18px;padding:10px;min-height:74px;background:var(--card)}
.sort-bin .sb-head{font-family:var(--font-display);font-weight:800;font-size:14px;margin-bottom:6px}
.sort-bin .sb-drop{display:flex;flex-wrap:wrap;gap:4px;font-size:26px;line-height:1}
.sort-bin.shake{animation:sbshake .4s}
@keyframes sbshake{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}
.safety{background:#FFEDD6;color:#9a4a12;border-radius:999px;padding:6px 14px;font-weight:800;font-size:13px;display:inline-flex;gap:6px;align-items:center}
html[data-theme="dark"] .safety{background:rgba(232,99,44,.2);color:#f0a36e}

/* --- sticker book --- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 20px}
.tabs button{border-radius:999px;padding:8px 14px;font-weight:800;font-size:13px;border:2px solid var(--card-border);background:var(--card);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.tabs button.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.sticker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px}
.sticker{background:var(--card);border:3px solid var(--card-border);border-radius:22px;padding:14px;text-align:center;box-shadow:var(--soft-sm)}
.sticker.earned{transform:rotate(-1.5deg)}
.sticker.earned:nth-child(even){transform:rotate(1.5deg)}
.sticker .art{font-size:56px;line-height:1}
.sticker.locked{border-style:dashed;opacity:.7}
.sticker.locked .art{filter:grayscale(1);opacity:.4}
.sticker .sn{font-family:var(--font-display);font-weight:800;font-size:15px;margin-top:8px}
.sticker .sh{font-size:12px;font-weight:700;color:var(--muted);margin-top:2px}

/* --- splash / onboarding --- */
.splash{display:grid;grid-template-columns:minmax(280px,480px) 1fr;min-height:100vh;max-width:1194px;margin:0 auto}
@media (max-width:820px){.splash{grid-template-columns:1fr}}
.splash .left{background:linear-gradient(160deg,#6C4FD8,#4A2FA8);color:#fff;padding:44px clamp(24px,4vw,48px);display:flex;flex-direction:column;justify-content:center;gap:16px}
.splash .left h1{font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.1}
.splash .left .tag{font-weight:700;font-size:17px;opacity:.92}
.splash .feat{display:flex;gap:10px;align-items:flex-start;font-weight:700;font-size:15px}
.splash .feat .ck{width:26px;height:26px;border-radius:50%;background:var(--sun);color:#4a3400;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none}
.splash .right{padding:44px clamp(24px,4vw,48px);display:flex;flex-direction:column;justify-content:center;gap:14px}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);font-weight:800;font-size:13px}
.or::before,.or::after{content:"";flex:1;height:2px;background:var(--card-border)}
.info-card{background:var(--bg2);border:2px solid var(--card-border);border-radius:18px;padding:14px 16px;font-weight:600;font-size:14px;color:var(--ink)}
html[data-theme="dark"] .info-card{background:rgba(138,111,240,.14)}
.grownup{background:var(--card);border:2px solid var(--card-border);border-radius:18px;padding:14px 16px;font-size:12.5px;font-weight:600;color:var(--muted);line-height:1.5}
.grownup b{color:var(--ink)}

/* --- zone picker --- */
.pickerscreen{max-width:1000px}
.pick-head{text-align:center;margin:4px 0 22px}
.pick-head h1{font-size:clamp(25px,4.4vw,38px);line-height:1.1}
.pick-head p{font-weight:700;color:var(--muted);margin-top:8px;font-size:15px}
.pickgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.ptile{display:flex;flex-direction:column;align-items:center;gap:7px;padding:18px 12px 15px;border-radius:22px;
  background:color-mix(in srgb,var(--zt) 76%,#fff);border:3px solid color-mix(in srgb,var(--zd) 16%,transparent);transition:transform .12s,box-shadow .12s}
html[data-theme="dark"] .ptile{background:color-mix(in srgb,var(--zt) 22%,var(--card))}
.ptile:active{transform:translateY(3px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.ptile.sel{border-color:var(--zd);transform:translateY(-4px);box-shadow:0 0 18px 2px color-mix(in srgb,var(--zd) 34%,transparent)}
.ptile .pdisc{width:76px;height:76px;border-radius:50%;background:radial-gradient(120% 120% at 50% 24%,#fff,color-mix(in srgb,var(--zt) 70%,#fff));display:flex;align-items:center;justify-content:center;border:2.5px solid color-mix(in srgb,var(--zd) 22%,#fff)}
html[data-theme="dark"] .ptile .pdisc{background:radial-gradient(120% 120% at 50% 24%,#fff,#EFEAFB);border-color:transparent}
.ptile .pdisc .ico{width:60%;display:flex}.ptile .pdisc .ico svg{width:100%;height:auto}
.ptile .pn{font-family:var(--font-display);font-weight:800;font-size:15.5px;text-align:center;line-height:1.1;color:var(--zd)}
html[data-theme="dark"] .ptile .pn{color:#fff}
.ptile .psub{font-size:11.5px;font-weight:800;color:var(--muted);text-align:center}
.ptile.surprise{border-style:dashed;border-color:var(--locked-border)}
.pick-cta{display:flex;justify-content:center;margin-top:26px;position:sticky;bottom:14px;z-index:5}
.pick-cta .btn{font-size:19px;padding:16px 46px}

.center{text-align:center}
.mt{margin-top:20px}.mb{margin-bottom:16px}
.back{margin-bottom:12px}
.speaker{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary-press) 60%,transparent);flex:none}
.speaker.orange{background:var(--orange);box-shadow:0 0 8px 2px color-mix(in srgb,#b8471d 60%,transparent)}
.speaker:active{transform:translateY(2px)}
.termchip{display:flex;align-items:center;gap:12px;background:var(--card);border:2px solid var(--card-border);border-radius:18px;padding:12px 14px;box-shadow:var(--soft-sm)}
.termchip .tinfo{flex:1;text-align:left}
.termchip .tw{font-family:var(--font-display);font-weight:800;font-size:18px}
.termchip .tp{font-size:13px;font-weight:800;color:var(--primary)}
.termchip .tm{font-size:13px;font-weight:600;color:var(--muted)}
.term-panel{background:var(--card);border:2px solid var(--card-border);border-radius:24px;padding:18px;margin-top:22px;box-shadow:var(--soft)}
.term-panel h3{font-family:var(--font-display);font-weight:800;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.term-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.sub-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:8px}
.offline-toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-weight:800;font-size:13px;z-index:80;box-shadow:0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent)}

/* --- interactive anatomy explorer --- */
.sys-switch{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:6px 0 18px;max-width:760px}
@media (max-width:640px){.sys-switch{grid-template-columns:repeat(2,1fr)}}
.sysbtn{display:flex;align-items:center;gap:11px;background:var(--card);border:2.5px solid var(--card-border);
  border-radius:20px;padding:12px 14px;text-align:left;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);transition:transform .12s}
.sysbtn:active{transform:translateY(3px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.sysbtn.on{border-color:var(--sd);background:var(--st)}
html[data-theme="dark"] .sysbtn.on{background:color-mix(in srgb,var(--sd) 26%,transparent)}
.sysbtn .se{width:44px;height:44px;border-radius:14px;background:var(--st);display:flex;align-items:center;justify-content:center;font-size:24px;flex:none}
.sysbtn.on .se{background:#fff}
.sysbtn .sl{display:flex;flex-direction:column;line-height:1.15}
.sysbtn .sl b{font-family:var(--font-display);font-weight:800;font-size:17px}
.sysbtn .sl i{font-style:normal;font-size:12px;font-weight:700;color:var(--muted)}
.anatomy-wrap{display:grid;grid-template-columns:minmax(320px,1.15fr) 1fr;gap:22px;align-items:start}
@media (max-width:820px){.anatomy-wrap{grid-template-columns:1fr}}
.body-stage{background:radial-gradient(120% 90% at 50% 8%,#fff,var(--card));border:2.5px solid var(--card-border);border-radius:28px;padding:16px;
  box-shadow:0 0 12px 2px color-mix(in srgb,var(--primary) 55%,transparent);position:relative}
.body-hint{font-size:14px;font-weight:800;color:var(--muted);text-align:center;margin:2px 0 8px}
.bodysvg{display:block;width:100%;max-height:80vh;margin:0 auto}
/* touchable organ/bone/muscle shapes inside the body */
.part{cursor:pointer;transform-box:fill-box;transform-origin:center;transition:transform .14s}
.part:hover{transform:scale(1.07)}
.part.on{transform:scale(1.12)}
.part .phalo{opacity:0;transition:opacity .15s}
.part:not(.found) .phalo{opacity:.16;animation:phpulse 2.1s ease-in-out infinite}
.part:hover .phalo{opacity:.32;animation:none}
.part.on .phalo{opacity:.42;animation:none}
.part .pcheck-t{font-size:11px;font-weight:800;fill:#fff;pointer-events:none}
@keyframes phpulse{0%,100%{opacity:.1}50%{opacity:.26}}
@media (prefers-reduced-motion:reduce){.part:not(.found) .phalo{animation:none}}
.touchhint{padding:14px 18px 4px;font-weight:800;font-size:14px;color:var(--muted);line-height:1.4}
.chipwrap{display:flex;flex-wrap:wrap;gap:8px;padding:12px 18px 4px}
.pchip{border:2px solid var(--card-border);background:var(--card);border-radius:999px;padding:8px 14px;
  font-family:var(--font-display);font-weight:800;font-size:13.5px;color:var(--ink);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.pchip:active{transform:translateY(2px)}
.pchip.found{background:color-mix(in srgb,#2E9E4E 14%,var(--card));border-color:#2E9E4E;color:var(--green-dark)}
html[data-theme="dark"] .pchip.found{color:#8FE0A6}

/* anatomy legend key */
.keycard{background:var(--card);border:2.5px solid var(--card-border);border-radius:26px;overflow:hidden;box-shadow:var(--soft)}
.key-head{display:flex;align-items:center;gap:12px;padding:16px 18px}
.key-head .ke{font-size:32px;flex:none}
.key-head .kt{font-family:var(--font-display);font-weight:800;font-size:22px;display:flex;align-items:center;gap:8px}
.key-head .kt-count{font-size:13px;background:#fff;color:var(--ink);border-radius:999px;padding:2px 9px}
.key-head .ks{font-weight:700;font-size:13px;color:var(--ink);opacity:.72}
.keylist{list-style:none;margin:0;padding:8px 10px}
.keyrow{display:flex;align-items:center;gap:11px;padding:9px 8px;border-radius:14px;cursor:pointer;transition:background .12s}
.keyrow:hover{background:var(--bg2)}
html[data-theme="dark"] .keyrow:hover{background:rgba(255,255,255,.05)}
.keyrow .kn{width:26px;height:26px;flex:none;border-radius:50%;color:#fff;font-family:var(--font-display);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.keyrow .kthumb{width:40px;height:40px;flex:none;background:#fff;border-radius:12px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);padding:5px;display:flex}
.keyrow .kthumb svg{width:100%;height:auto}
.keyrow .kinfo{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.15}
.keyrow .kinfo b{font-family:var(--font-display);font-weight:800;font-size:16px}
.keyrow .kinfo i{font-style:normal;font-weight:700;font-size:12px;color:var(--muted)}
.keyrow .kgo{font-family:var(--font-display);font-weight:800;font-size:13px;flex:none}
.keyrow.found .kinfo b{opacity:.7}
.key-foot{padding:10px 18px 18px}
.key-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}

/* anatomy placing game */
.game-wrap{display:grid;grid-template-columns:minmax(240px,1fr) 1.05fr;gap:22px;align-items:start}
@media (max-width:820px){.game-wrap{grid-template-columns:1fr}}
.game-side{display:flex;flex-direction:column;gap:14px}
.game-instr{background:var(--card);border:2.5px solid var(--card-border);border-radius:20px;padding:14px 18px;
  font-weight:800;font-size:15px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);line-height:1.4}
.tray{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.tray-piece{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--card);
  border:3px solid var(--card-border);border-radius:20px;padding:12px 8px;box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary) 55%,transparent);transition:transform .12s}
.tray-piece:active{transform:translateY(3px);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.tray-piece.sel{border-color:var(--cd);transform:translateY(-3px);box-shadow:0 0 16px 2px color-mix(in srgb,var(--cd) 34%,transparent)}
.tray-piece .tp-art{width:66px;height:66px;display:flex}.tray-piece .tp-art svg{width:100%;height:auto}
.tray-piece .tp-name{font-family:var(--font-display);font-weight:800;font-size:14px}
.gslot{cursor:pointer}
.gslot.done{pointer-events:none}
.gslot-q{font-family:var(--font-display);font-weight:800;font-size:18px;fill:#8A6FF0}
.gslot[data-slot]:hover circle{fill:rgba(108,79,216,.16)}
.bodysvg.shake{animation:shake .38s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}
.game-win{text-align:center;padding:40px 20px;background:var(--card);border:2.5px solid var(--gold);border-radius:28px;box-shadow:0 0 14px 2px rgba(240,168,28,.2)}
.game-win .gw-emoji{font-size:70px}
.game-win h2{font-family:var(--font-display);font-weight:800;font-size:30px;margin:6px 0}
.game-win p{font-weight:700;color:var(--muted);font-size:16px;max-width:440px;margin:6px auto 0}
.game-win .gw-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:22px}
.dc-back{position:absolute;top:12px;right:12px;background:#fff;color:var(--ink);border-radius:999px;padding:6px 14px;
  font-family:var(--font-display);font-weight:800;font-size:13px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}

/* subtle build tag (confirms the live version) */
#buildtag{position:fixed;right:9px;bottom:8px;z-index:90;font-weight:800;font-size:10.5px;letter-spacing:.03em;
  color:var(--muted);opacity:.5;background:var(--card);border:1px solid var(--card-border);border-radius:999px;padding:2px 9px;pointer-events:none}
.detail-col{position:sticky;top:12px}
.detail-card{background:var(--card);border:2.5px solid var(--card-border);border-radius:26px;overflow:hidden;box-shadow:var(--soft)}
.detail-card.empty{padding:26px 22px;text-align:center}
.detail-card.empty .de-emoji{font-size:52px}
.detail-card.empty h3{font-family:var(--font-display);font-weight:800;font-size:24px;margin:6px 0}
.detail-card.empty p{font-weight:700;color:var(--muted);font-size:15px;margin:6px 0;line-height:1.4}
.detail-card.empty .tap-cta{color:var(--ink);opacity:.85}
.mini-prog{height:12px;border-radius:999px;background:var(--card-border);overflow:hidden;max-width:280px;margin:16px auto 6px}
.mini-prog > i{display:block;height:100%;border-radius:999px;transition:width .4s}
.mini-prog-l{font-size:12px;font-weight:800;color:var(--muted);margin-bottom:14px}
.dc-diagram{position:relative;display:flex;align-items:center;justify-content:center;padding:22px;min-height:190px}
.dc-big{width:170px;max-width:60%;display:flex}
.dc-big svg{width:100%;height:auto}
.dc-label{position:absolute;top:12px;left:12px;color:#fff;font-family:var(--font-display);font-weight:800;font-size:12px;
  letter-spacing:.04em;padding:4px 12px;border-radius:999px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.dc-top{display:flex;align-items:center;gap:14px;padding:16px 20px 4px}
.dc-headings{flex:1;min-width:0}
.dc-term{font-family:var(--font-display);font-weight:800;font-size:28px;line-height:1.05}
.dc-pron{font-weight:800;font-size:16px;color:var(--ink);opacity:.72;margin-top:2px;letter-spacing:.02em}
.speaker.big{width:54px;height:54px;font-size:24px}
.dc-body{padding:18px 22px 6px}
.dc-fact{font-family:var(--font-display);font-weight:800;font-size:20px;line-height:1.22}
.dc-why{font-weight:600;font-size:15.5px;color:var(--ink);opacity:.85;margin-top:10px;line-height:1.45}
.dc-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 22px 20px}
.age-4-7 .dc-why{display:none}

/* --- account / profile screen --- */
.acct-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;max-width:920px;margin:8px auto 0}
@media (max-width:780px){.acct-wrap{grid-template-columns:1fr}}
.acct-hero{background:linear-gradient(160deg,#6C4FD8,#4A2FA8);color:#fff;border-radius:26px;padding:26px 24px;box-shadow:0 0 14px 2px rgba(74,47,168,.4)}
.acct-hero h1{font-size:30px;font-weight:800;margin:12px 0 6px}
.acct-hero .sub{font-weight:700;font-size:15px;opacity:.92;line-height:1.4}
.acct-perks{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:11px}
.acct-perks li{display:flex;gap:11px;align-items:flex-start;font-weight:700;font-size:14.5px;line-height:1.35}
.acct-perks li span{font-size:19px;flex:none}
.acct-form{background:var(--card);border:2.5px solid var(--card-border);border-radius:26px;padding:24px 22px;box-shadow:var(--soft)}
.fld{display:block;margin-bottom:16px}
.fld > span{display:block;font-family:var(--font-display);font-weight:800;font-size:15px;margin-bottom:7px}
.fld > span i{font-style:normal;font-weight:700;font-size:13px;color:var(--muted)}
.fld input{width:100%;border:2.5px solid var(--card-border);border-radius:16px;padding:14px 16px;font-family:var(--font-body);
  font-weight:700;font-size:16px;background:var(--bg1);color:var(--ink)}
html[data-theme="dark"] .fld input{background:rgba(255,255,255,.06)}
.fld input:focus{outline:none;border-color:var(--primary)}
.fld-err{color:#c0304a;font-weight:800;font-size:13.5px;min-height:18px;margin-bottom:6px}
html[data-theme="dark"] .fld-err{color:#ff9db0}

/* ===== Kid-friendly polish pass (v12), every screen ===== */
/* Soft, modern ambient depth under big cards (no chunky flat offset) */
.factcard,.keycard,.detail-card,.acct-form,.stage,.wonder,.game-win,.game-instr{
  box-shadow:0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent),0 0 20px 0 color-mix(in srgb,var(--primary) 55%,transparent)}
html[data-theme="dark"] .factcard,html[data-theme="dark"] .keycard,html[data-theme="dark"] .detail-card,
html[data-theme="dark"] .acct-form,html[data-theme="dark"] .stage,html[data-theme="dark"] .wonder,
html[data-theme="dark"] .game-win,html[data-theme="dark"] .game-instr{
  box-shadow:0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent),0 0 20px 0 color-mix(in srgb,var(--primary) 55%,transparent)}

/* Rounder, friendlier corners */
.topic{border-radius:26px}.sticker{border-radius:24px}.ans{border-radius:24px}
.topic .tt{font-size:18px}
.chip{padding:6px 13px;font-size:13.5px}
.info-card,.grownup{border-radius:20px}

/* Splash + account heroes: playful floating light */
.splash .left,.acct-hero{
  background:
    radial-gradient(circle at 86% 12%,rgba(255,255,255,.14),transparent 42%),
    radial-gradient(circle at 8% 86%,rgba(255,212,77,.18),transparent 46%),
    linear-gradient(160deg,#7C5BE0,#4A2FA8)}
.splash .feat .ck{box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}

/* Zone-picker discs get a soft sheen */
.ptile .pdisc{background:radial-gradient(120% 120% at 50% 22%,#fff,#F3EFFB)}
html[data-theme="dark"] .ptile .pdisc{background:radial-gradient(120% 120% at 50% 22%,#fff,#EFE9FB)}

/* Expedition banner + Today's Wonder: gentle golden gradient */
.expedition-pill{background:linear-gradient(120deg,#fff,#FFF6E4)}
html[data-theme="dark"] .expedition-pill{background:rgba(255,255,255,.08)}
.wonder{background:linear-gradient(160deg,#fff,#FFF6E4)}
html[data-theme="dark"] .wonder{background:var(--card)}

/* Fact card + topic art a touch bigger */
.factcard .hero{height:214px}
.factcard .hero .heroico{max-width:56%}
.topic .tpic-art{max-width:64%}

/* Anatomy detail diagram bigger */
.dc-diagram{min-height:214px}.dc-big{max-width:64%}

/* Sticker shine */
.sticker .art{font-size:60px}
.sticker.earned{background:linear-gradient(160deg,#fff,var(--bg2))}
html[data-theme="dark"] .sticker.earned{background:linear-gradient(160deg,var(--card),rgba(138,111,240,.16))}

/* Experiment readout a touch bolder + rounder control cards */
.readout{font-size:21px}.ctrl{border-radius:22px}.explain{border-radius:22px}

/* Delightful hover (pointer devices only, iPad taps use :active) */
@media (hover:hover){
  .topic:hover{transform:translateY(-4px);box-shadow:0 0 22px 2px color-mix(in srgb,var(--primary) 55%,transparent),0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent)}
  .sticker.earned:hover{transform:translateY(-4px) rotate(0)}
  .ptile:hover{transform:translateY(-3px)}
  .sysbtn:hover,.tray-piece:hover,.pchip:hover{filter:brightness(1.03)}
  .ans:hover{transform:translateY(-2px)}
  .node.open:hover .ico{transform:scale(1.05)}
  .btn:hover{filter:brightness(1.04)}
}

/* ===== Age mode, 4-7: bigger + simpler · 8-12: full detail ===== */
.age-4-7 .node .nname{font-size:20px}
.age-4-7 .zone-head .zt{font-size:32px}
.age-4-7 .topic .tt{font-size:20px}
.age-4-7 .btn{font-size:18px}
.age-4-7 .q-text{font-size:clamp(26px,4.8vw,40px)}
.age-4-7 .ans{font-size:22px;padding:22px}
.age-4-7 .factcard .head{font-size:clamp(32px,5.8vw,46px)}
.age-4-7 .factcard .why,.age-4-7 .factcard .chips,.age-4-7 .factcard .note,.age-4-7 .card-wrap .hint{display:none}
.age-4-7 .dc-why{display:none}
.age-4-7 .dc-term{font-size:32px}
.age-4-7 .dc-fact{font-size:22px}
.age-4-7 .wonder .f{font-size:22px}
.age-4-7 .expedition-pill i{display:none}
.age-4-7 .zone-head .zsub,.age-4-7 .touchhint{font-size:15px}

/* ===== v10 engagement features ===== */
.nova{display:flex;align-items:center;gap:12px}
.nova-art{width:66px;height:66px;flex:none;display:flex}
.nova-art svg{width:100%;height:auto;animation:novabob 3.2s ease-in-out infinite}
@keyframes novabob{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-5px) rotate(2deg)}}
.nova-bubble{position:relative;background:var(--card);border:2.5px solid var(--card-border);border-radius:18px;
  padding:11px 15px;font-weight:800;font-size:14.5px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);max-width:340px}
.nova-bubble::before{content:"";position:absolute;left:-9px;top:22px;width:14px;height:14px;background:var(--card);
  border-left:2.5px solid var(--card-border);border-bottom:2.5px solid var(--card-border);transform:rotate(45deg)}
@media (prefers-reduced-motion:reduce){.nova-art svg{animation:none}}
.splash-nova{width:96px;height:96px}
.splash-nova svg{width:100%;height:auto}
.fb-nova{width:52px;height:52px;flex:none}
.fb-nova svg{width:100%;height:auto}
.fq-nova{width:90px;height:90px;margin:0 auto}
.fq-nova svg{width:100%;height:auto}
.map-hero{display:flex;flex-direction:column;gap:14px;align-items:center;max-width:560px;margin:0 auto 8px}
.mission{width:100%;background:var(--card);border:2.5px solid var(--gold);border-radius:22px;padding:14px 18px;box-shadow:0 0 10px 2px rgba(240,168,28,.18)}
.mission.done{border-color:var(--green);box-shadow:0 0 10px 2px rgba(46,158,78,.18)}
.mission .mrow{display:flex;align-items:center;gap:12px}
.mission .mico{font-size:30px;flex:none}
.mission .minfo{flex:1;min-width:0}
.mission .mlbl{font-family:var(--font-display);font-weight:800;font-size:11px;letter-spacing:.1em;color:var(--gold-dark)}
.mission.done .mlbl{color:var(--green-dark)}
.mission .mtxt{font-family:var(--font-display);font-weight:800;font-size:16px;line-height:1.2}
.mission .mrew{font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--gold-dark);flex:none}
.mission .mprog{height:10px;border-radius:999px;background:var(--card-border);overflow:hidden;margin:10px 0 5px}
.mission .mprog > i{display:block;height:100%;border-radius:999px;background:var(--gold);transition:width .4s}
.mission.done .mprog > i{background:var(--green)}
.mission .mprog-l{font-size:12px;font-weight:800;color:var(--muted)}
.map-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:22px 0 6px}
.medal{position:absolute;bottom:-4px;right:6px;font-size:26px;filter:drop-shadow(0 0 6px color-mix(in srgb,var(--primary) 55%,transparent));z-index:3}
.sticker-pop{position:fixed;inset:0;z-index:130;display:flex;align-items:center;justify-content:center;background:rgba(30,22,54,.55)}
.sticker-pop .sp-card{background:var(--panel);border:3px solid var(--gold);border-radius:28px;padding:26px 32px;text-align:center;
  box-shadow:0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent);transform:scale(.6);opacity:0;transition:transform .3s cubic-bezier(.2,1.4,.5,1),opacity .3s}
.sticker-pop.go .sp-card{transform:scale(1);opacity:1}
.sp-burst{font-family:var(--font-display);font-weight:800;font-size:14px;letter-spacing:.06em;color:var(--gold-dark)}
.sp-art{font-size:72px;line-height:1;margin:6px 0}
.sp-name{font-family:var(--font-display);font-weight:800;font-size:22px}
.sp-how{font-weight:700;font-size:13px;color:var(--muted);margin-top:4px}
.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.gametile{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:26px 16px 20px;border-radius:26px;
  border:3px solid #fff;box-shadow:0 0 14px 2px color-mix(in srgb,var(--gd) 30%,transparent);transition:transform .12s}
.gametile:active{transform:translateY(3px)}
.gametile .gt-emoji{font-size:52px}
.gametile .gt-name{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--ink)}
.gametile .gt-sub{font-weight:700;font-size:13px;color:var(--muted);text-align:center}
.gametile .gt-go{color:#fff;font-family:var(--font-display);font-weight:800;font-size:14px;padding:8px 20px;border-radius:999px;margin-top:6px}
.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:560px;margin:0 auto}
@media (max-width:520px){.memory-grid{grid-template-columns:repeat(3,1fr)}}
.mcard{position:relative;aspect-ratio:1;border:none;background:none;perspective:600px;cursor:pointer}
.mc-face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border-radius:18px;
  border:3px solid var(--card-border);box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);backface-visibility:hidden;transition:transform .3s;font-size:34px}
.mc-back{background:var(--primary);color:#fff}
.mc-front{transform:rotateY(180deg)}
.mc-front svg{width:62%;height:auto}
.mcard.up .mc-back{transform:rotateY(180deg)}
.mcard.up .mc-front{transform:rotateY(0)}
.rush-head{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:6px 0 14px}
.cert-actions{display:flex;gap:10px;justify-content:space-between;margin-bottom:16px}
.certificate{max-width:720px;margin:0 auto;background:#fff;border-radius:18px;padding:14px;box-shadow:0 0 30px 0 color-mix(in srgb,var(--primary) 55%,transparent)}
.cert-inner{border:5px double var(--cd);border-radius:12px;padding:34px 30px;text-align:center;position:relative;color:#33294F}
.cert-seal{font-size:56px}
.cert-top{font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:.14em;color:var(--cd);text-transform:uppercase;margin-top:4px}
.cert-title{font-family:var(--font-display);font-weight:800;font-size:30px;margin:6px 0}
.cert-sub{font-weight:700;color:#8B8098;margin-top:10px}
.cert-name{font-family:var(--font-display);font-weight:800;font-size:34px;color:var(--cd);margin:6px 0;border-bottom:3px dashed #ddd;display:inline-block;padding:0 20px 6px}
.cert-body{font-weight:700;font-size:15px;line-height:1.5;max-width:480px;margin:14px auto 0}
.cert-foot{display:flex;justify-content:space-between;align-items:center;margin-top:26px;font-weight:800;font-size:13px;color:#8B8098}
.cert-badge{background:var(--cd);color:#fff;border-radius:999px;padding:6px 14px}
@media print{body{background:#fff}.no-print,.topbar,#buildtag{display:none!important}.screen{padding:0}.certificate{box-shadow:none}}
.avatar-row{display:flex;flex-wrap:wrap;gap:8px}
.avatar{width:46px;height:46px;border-radius:14px;border:2.5px solid var(--card-border);background:var(--bg1);font-size:26px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.avatar.sel{border-color:var(--primary);background:var(--bg2);transform:translateY(-2px)}
html[data-theme="dark"] .avatar{background:rgba(255,255,255,.06)}

/* ===== Ages 4-7 vs 8-12: real, visible differences ===== */
/* Ages 4-7: bigger, simpler, more playful. Hides the "why" and stat chips. */
.age-4-7 .btn{font-size:19px;padding:16px 30px;min-height:58px}
.age-4-7 .btn.small{font-size:16px;padding:13px 20px;min-height:50px}
.age-4-7 .factcard{padding-top:20px}
.age-4-7 .factcard .head{font-size:clamp(32px,6vw,48px);line-height:1.08}
.age-4-7 .factcard .why{display:none}
.age-4-7 .factcard .chips{display:none}
.age-4-7 .factcard .hero{height:240px}
.age-4-7 .factcard .heroico{width:70%}
.age-4-7 .q-text{font-size:clamp(26px,5.2vw,40px)}
.age-4-7 .ans{font-size:22px;min-height:78px;padding:22px}
.age-4-7 .topic .tt{font-size:21px}
.age-4-7 .topic .tpic-art{width:104px}
.age-4-7 .nname{font-size:20px}
.age-4-7 .nova-bubble{font-size:17px;padding:13px 17px}
.age-4-7 .dc-fact{font-size:24px}
.age-4-7 .dc-why{display:none}
.age-4-7 .mission .mtxt{font-size:18px}
.age-4-7 .expedition-pill i{display:none}
.age-4-7 .hint{font-size:15px}
/* a friendly "little explorer" tint band so the mode is unmistakable */
.age-4-7 .factcard{border-width:4px}
/* Ages 8-12: full detail shown (the why + chips), a touch denser */
.age-8-12 .factcard .why{display:block}
.age-8-12 .dc-why{display:block}
.age-8-12 .factcard .head{font-size:clamp(26px,4.4vw,34px)}

/* cross-device sync box */
.sync-box{margin-top:16px;background:var(--bg2);border:2px solid var(--card-border);border-radius:18px;padding:14px 16px}
html[data-theme="dark"] .sync-box{background:rgba(138,111,240,.12)}
.sync-title{font-family:var(--font-display);font-weight:800;font-size:15px;margin-bottom:8px}
.sync-code-row{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.sync-code{font-family:var(--font-display);font-weight:800;font-size:26px;letter-spacing:.18em;color:var(--primary);
  background:var(--card);border:2px dashed var(--primary);border-radius:12px;padding:6px 16px}
.sync-help{font-size:12.5px;font-weight:700;color:var(--muted);line-height:1.4}
.sync-restore{display:flex;gap:8px;margin-top:10px}
.sync-restore input{flex:1;min-width:0;border:2px solid var(--card-border);border-radius:12px;padding:11px 13px;
  font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:.12em;background:var(--card);color:var(--ink)}
.sync-restore input:focus{outline:none;border-color:var(--primary)}

/* sunny daytime sky (light mode only) */
#daysky{display:none}
html[data-theme="light"] #daysky{display:block;position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
#daysky .sun{position:absolute;top:52px;right:64px;width:98px;height:98px;border-radius:50%;
  background:radial-gradient(circle at 40% 36%,#FFF7DA,#FFCB44);
  box-shadow:0 0 64px 20px rgba(255,196,64,.42);animation:sunpulse 6s ease-in-out infinite}
@keyframes sunpulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
#daysky .cloud{position:absolute;left:0;height:34px;background:#fff;border-radius:40px;opacity:.92;animation:drift linear infinite}
#daysky .cloud::before,#daysky .cloud::after{content:"";position:absolute;background:#fff;border-radius:50%}
#daysky .cloud::before{width:48px;height:48px;top:-20px;left:18px}
#daysky .cloud::after{width:34px;height:34px;top:-12px;right:20px}
@keyframes drift{0%{transform:translateX(-30vw)}100%{transform:translateX(132vw)}}
#daysky .bird{position:absolute;left:0;width:26px;height:9px;opacity:.62;animation:birdfly linear infinite}
@keyframes birdfly{0%{transform:translateX(-12vw) translateY(0)}50%{transform:translateX(56vw) translateY(-16px)}100%{transform:translateX(124vw) translateY(6px)}}
@media (prefers-reduced-motion:reduce){#daysky .cloud,#daysky .bird,#daysky .sun{animation:none}}

/* cozy bedtime night sky (dark mode only) */
#nightsky{display:none}
html[data-theme="dark"] #nightsky{display:block;position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
#app{position:relative;z-index:1}
#nightsky .star{position:absolute;background:#fff;border-radius:50%;opacity:.85;animation:twinkle 3s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.2;transform:scale(.7)}50%{opacity:.95;transform:scale(1.1)}}
#nightsky .moon{position:absolute;top:70px;right:60px;width:62px;height:62px;border-radius:50%;opacity:.30;
  background:radial-gradient(circle at 35% 35%,#EFE3C4,#D9C070);box-shadow:0 0 22px rgba(251,227,138,.22),inset -12px -8px 0 rgba(120,100,60,.4)}
#nightsky .shoot{position:absolute;left:-10%;width:80px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,#fff);opacity:0;animation:shoot 9s linear infinite}
@keyframes shoot{0%{left:-10%;opacity:0}3%{opacity:.9}12%{left:110%;opacity:0}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){#nightsky .star,#nightsky .shoot{animation:none}#nightsky .shoot{display:none}}

/* parent dashboard */
.pd-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:14px;margin:6px 0}
.pd-stat{background:var(--card);border:2.5px solid var(--card-border);border-radius:20px;padding:16px;text-align:center;box-shadow:var(--soft-sm)}
.pd-num{font-family:var(--font-display);font-weight:800;font-size:34px;color:var(--primary)}
.pd-lbl{font-weight:800;font-size:13px;color:var(--muted);margin-top:2px}
.pd-lbl small{font-weight:700;opacity:.8}
.pd-zones{display:flex;flex-direction:column;gap:10px}
.pd-zone{display:flex;align-items:center;gap:12px;background:var(--card);border:2px solid var(--card-border);border-radius:16px;padding:10px 14px;box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.pd-ico{width:34px;height:34px;flex:none;display:flex}.pd-ico svg{width:100%;height:auto}
.pd-name{font-family:var(--font-display);font-weight:800;font-size:15px;width:130px;flex:none}
.pd-bar{flex:1;height:12px;border-radius:999px;background:var(--card-border);overflow:hidden}
.pd-bar > i{display:block;height:100%;border-radius:999px}
.pd-med{font-size:22px;width:26px;text-align:center;flex:none}
@media (max-width:520px){.pd-name{width:96px;font-size:13px}}

/* my lab */
.lab-head{display:flex;align-items:center;gap:16px;margin:6px 0 8px}
.lab-avatar{width:78px;height:78px;flex:none;border-radius:22px;background:var(--bg2);border:3px solid var(--card-border);
  display:flex;align-items:center;justify-content:center;font-size:44px;box-shadow:var(--soft-sm)}
html[data-theme="dark"] .lab-avatar{background:rgba(138,111,240,.16)}

/* reading level chooser (in My Lab) */
.level-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.level-row{grid-template-columns:1fr}}
.level{display:flex;flex-direction:column;gap:4px;text-align:left;background:var(--card);border:3px solid var(--card-border);
  border-radius:20px;padding:16px 18px;box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary) 55%,transparent);transition:transform .12s}
.level:active{transform:translateY(3px)}
.level.sel{border-color:var(--primary);background:var(--bg2)}
html[data-theme="dark"] .level.sel{background:rgba(138,111,240,.16)}
.level .lv-emoji{font-size:30px}
.level b{font-family:var(--font-display);font-weight:800;font-size:18px}
.level i{font-style:normal;font-weight:700;font-size:13px;color:var(--muted);line-height:1.35}

/* ---- Decorate your lab (unlockable placeable items) ---- */
.lab-hint{font-weight:700;font-size:13px;color:var(--muted);margin:0 0 10px}
.labroom{position:relative;width:100%;max-width:620px;margin:0 auto;aspect-ratio:16/10;border-radius:24px;overflow:hidden;
  border:3px solid var(--card-border);box-shadow:var(--soft);
  background:linear-gradient(180deg,var(--bg3) 0%,var(--bg2) 62%,var(--bg1) 100%)}
.lr-window{position:absolute;left:7%;top:7%;width:24%;height:24%;border-radius:14px;
  background:linear-gradient(160deg,#bfe6ff,#8fc9ff);border:4px solid var(--card);
  box-shadow:inset 0 0 0 3px rgba(255,255,255,.35)}
.lr-window::before{content:'';position:absolute;inset:0;border-radius:8px;
  background:linear-gradient(transparent 46%,rgba(255,255,255,.8) 46%,rgba(255,255,255,.8) 54%,transparent 54%),
  linear-gradient(90deg,transparent 46%,rgba(255,255,255,.8) 46%,rgba(255,255,255,.8) 54%,transparent 54%)}
html[data-theme="dark"] .lr-window{background:linear-gradient(160deg,#1b2a63,#2c1e5f)}
.lr-shelf{position:absolute;left:6%;right:6%;top:47%;height:10px;border-radius:6px;background:var(--card);
  box-shadow:0 0 10px 2px color-mix(in srgb,var(--primary) 55%,transparent)}
.lr-floor{position:absolute;left:0;right:0;bottom:0;height:26%;background:var(--card);opacity:.55}
.lr-buddy{position:absolute;left:50%;bottom:3%;transform:translateX(-50%);font-size:min(13vw,48px);
  filter:drop-shadow(0 0 8px color-mix(in srgb,var(--primary) 55%,transparent));pointer-events:none;z-index:2}
.lr-slot{position:absolute;transform:translate(-50%,-50%);width:min(15vw,64px);height:min(15vw,64px);
  border-radius:50%;border:2.5px dashed var(--card-border);background:rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;line-height:1;
  cursor:pointer;transition:transform .12s;padding:0;z-index:3}
.lr-slot svg{width:88%;height:88%;display:block;pointer-events:none}
html[data-theme="dark"] .lr-slot{background:rgba(255,255,255,.08)}
.lr-slot.filled{border-style:solid;border-color:transparent;background:transparent}
.lr-slot.filled svg{filter:drop-shadow(0 0 8px color-mix(in srgb,var(--primary) 55%,transparent))}
.lr-slot:active{transform:translate(-50%,-50%) scale(.9)}
.lr-slot.filled:active{transform:translate(-50%,-50%) scale(1.15)}
.lab-tray{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px;margin:14px auto 0;max-width:620px}
.tray-item{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--card);
  border:3px solid var(--card-border);border-radius:18px;padding:10px 6px;cursor:pointer;
  box-shadow:0 0 8px 2px color-mix(in srgb,var(--primary) 55%,transparent);transition:transform .12s}
.tray-item:active{transform:translateY(3px)}
.tray-item.sel{border-color:var(--primary);background:var(--bg2)}
html[data-theme="dark"] .tray-item.sel{background:rgba(138,111,240,.18)}
.tray-item.locked{opacity:.6;border-style:dashed;cursor:not-allowed;box-shadow:none}
.tray-item.placed{border-color:var(--green)}
.tray-item.placed::after{content:'✓ placed';position:absolute;margin-top:-8px;font-size:10px;font-weight:800;
  color:var(--green);background:var(--card);padding:0 5px;border-radius:8px;transform:translateY(-14px)}
.tray-item{position:relative}
.ti-art{font-size:32px;line-height:1;display:flex;align-items:center;justify-content:center;height:38px}
.ti-art svg{width:38px;height:38px;display:block}
.tray-item.locked .ti-art{font-size:22px}
.ti-name{font-family:var(--font-display);font-weight:800;font-size:11px;text-align:center;line-height:1.15;color:var(--ink)}

/* ===== weather effects (opt-in) ===== */
#weatherfx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
#weatherfx .wx-drop{position:absolute;top:-14vh;width:2px;height:62px;border-radius:2px;background:linear-gradient(to bottom,transparent,rgba(96,132,205,.6));animation:wxfall linear infinite}
html[data-theme="dark"] #weatherfx .wx-drop{background:linear-gradient(to bottom,transparent,rgba(185,205,255,.55))}
@keyframes wxfall{0%{transform:translateY(0)}100%{transform:translateY(134vh)}}
#weatherfx .wx-flake{position:absolute;top:-8vh;height:auto;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 40% 35%,#fff,rgba(255,255,255,.72));opacity:.9;animation:wxsnow linear infinite}
@keyframes wxsnow{0%{transform:translateY(0) translateX(0)}50%{transform:translateY(64vh) translateX(22px)}100%{transform:translateY(130vh) translateX(-12px)}}
#weatherfx .wx-fog{position:absolute;left:-20%;right:-20%;top:18%;height:36%;background:radial-gradient(60% 100% at 50% 50%,rgba(228,232,240,.62),transparent 70%);filter:blur(7px);animation:wxfog 24s ease-in-out infinite alternate}
html[data-theme="dark"] #weatherfx .wx-fog{background:radial-gradient(60% 100% at 50% 50%,rgba(120,128,152,.5),transparent 70%)}
@keyframes wxfog{0%{transform:translateX(-6%)}100%{transform:translateX(6%)}}
#weatherfx .wx-veil{position:absolute;inset:0;background:radial-gradient(120% 80% at 50% -10%,rgba(150,160,182,.2),transparent 60%)}
#weatherfx .wx-flash{position:absolute;inset:0;background:rgba(255,255,255,.72);opacity:0;animation:wxflash 7s linear infinite}
@keyframes wxflash{0%,2.5%,6%,100%{opacity:0}1%{opacity:.7}4%{opacity:.45}}
@media (prefers-reduced-motion:reduce){#weatherfx *{animation:none!important}}

/* grown-up weather toggle */
.wx-setting{margin-top:18px;background:var(--bg1);border:2px solid var(--card-border);border-radius:20px;padding:16px 18px}
html[data-theme="dark"] .wx-setting{background:rgba(255,255,255,.06)}
.wx-set-top{display:flex;align-items:flex-start;gap:14px;justify-content:space-between}
.wx-set-title{font-family:var(--font-display);font-weight:800;font-size:16px}
.wx-set-sub{font-weight:600;font-size:13px;color:var(--muted);line-height:1.42;margin-top:4px}
.wx-toggle{flex:none;width:58px;height:34px;border-radius:999px;background:var(--card-border);position:relative;transition:background .18s;margin-top:2px}
.wx-toggle.on{background:var(--green)}
.wx-knob{position:absolute;top:3px;left:3px;width:28px;height:28px;border-radius:50%;background:#fff;transition:transform .18s;box-shadow:0 0 9px 0 color-mix(in srgb,var(--primary) 55%,transparent)}
.wx-toggle.on .wx-knob{transform:translateX(24px)}
.wx-set-now{margin-top:12px;font-weight:700;font-size:14px;color:var(--ink)}
.wx-banner{width:max-content;max-width:100%;margin:2px auto 20px;background:var(--card);border:2px solid var(--card-border);border-radius:999px;padding:9px 18px;font-weight:800;font-size:14px;box-shadow:var(--soft-sm)}
.tray-item.locked .ti-name{color:var(--muted)}

/* grown-up account panel + mod stats (v28) */
.acct-panel{margin-top:18px;background:var(--bg1);border:2px solid var(--card-border);border-radius:20px;padding:16px 18px}
html[data-theme="dark"] .acct-panel{background:rgba(255,255,255,.06)}
.acct-panel-title{font-family:var(--font-display);font-weight:800;font-size:16px}
.acct-panel-sub{font-weight:600;font-size:13px;color:var(--muted);line-height:1.42;margin:4px 0 12px}
.acct-tabs{display:flex;gap:8px;margin-bottom:10px}
.acct-tab{flex:1;border:2px solid var(--card-border);background:var(--card);border-radius:12px;padding:9px;font-weight:800;font-size:13px;color:var(--muted)}
.acct-tab.on{border-color:var(--primary);color:var(--primary);background:color-mix(in srgb,var(--primary) 12%,transparent)}
.acct-in{display:block;width:100%;box-sizing:border-box;margin-bottom:9px;border:2px solid var(--card-border);border-radius:12px;padding:11px 13px;font-size:16px;font-weight:700;background:var(--card);color:var(--ink);outline:none}
.acct-in:focus{border-color:var(--primary)}
.acct-row{display:flex;gap:10px;flex-wrap:wrap}
.linkbtn{background:none;border:0;color:var(--primary);font-weight:800;font-size:13px;text-decoration:underline;cursor:pointer;padding:4px}
.mod-out{margin-top:6px}
.mod-line{display:flex;align-items:baseline;gap:8px;justify-content:space-between;background:var(--card);border:2px solid var(--card-border);border-radius:12px;padding:10px 12px;margin-top:8px;flex-wrap:wrap}
.mod-line span{font-weight:800;font-size:13px}
.mod-line b{font-family:var(--font-display);font-size:20px;color:var(--primary)}
.mod-line small{width:100%;color:var(--muted);font-weight:700;font-size:11.5px}
.mod-note{margin-top:8px;color:var(--muted);font-weight:700;font-size:13px}
.mod-recent-h{margin:12px 0 4px;font-weight:800;font-size:12px;color:var(--muted)}
.mod-recent{display:flex;justify-content:space-between;gap:8px;font-weight:700;font-size:12.5px;padding:4px 2px;border-bottom:1px solid var(--card-border)}
.mod-recent small{color:var(--muted)}

/* reset-everything (grown-ups only, v30) */
.btn.danger{background:var(--raspberry);color:#fff;box-shadow:0 0 10px 2px color-mix(in srgb,var(--raspberry) 55%,transparent)}
.btn.danger:active{transform:translateY(2px);box-shadow:0 0 6px 1px color-mix(in srgb,var(--raspberry) 55%,transparent)}
.reset-box{margin-top:14px;background:color-mix(in srgb,var(--raspberry) 8%,var(--bg1));border:2px solid color-mix(in srgb,var(--raspberry) 30%,var(--card-border));border-radius:20px;padding:16px 18px}
html[data-theme="dark"] .reset-box{background:color-mix(in srgb,var(--raspberry) 14%,rgba(255,255,255,.04))}
.reset-title{font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--raspberry)}
.reset-sub{font-weight:600;font-size:12.5px;color:var(--muted);line-height:1.42;margin:4px 0 12px}
.reset-confirm{margin-top:6px}
.reset-confirm-q{font-weight:800;font-size:13.5px;line-height:1.4;margin-bottom:10px}
.reset-row{display:flex;gap:10px;flex-wrap:wrap}
.reset-divider{height:1px;background:color-mix(in srgb,var(--raspberry) 30%,var(--card-border));margin:16px 0}

/* AtomHoppers splash hero banner (v33) */
.splash-hero{display:block;width:100%;max-width:520px;height:auto;border-radius:20px;margin:0 0 18px;border:2px solid var(--card-border)}

/* frog logo inside the brand tile (v34) */
.logo svg{width:78%;height:78%;display:block}

/* mod user actions + confirm badges (v36) */
.mod-user{background:var(--card);border:2px solid var(--card-border);border-radius:14px;padding:10px 12px;margin-top:8px}
.mod-user-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.mod-user-em{font-weight:800;font-size:13px;word-break:break-all}
.mod-user-sub{color:var(--muted);font-weight:700;font-size:11.5px;margin-top:2px}
.mod-user-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}
.mod-do-msg{font-weight:800;font-size:11.5px;color:var(--muted)}
.mod-badge{font-weight:800;font-size:10.5px;padding:3px 8px;border-radius:999px;white-space:nowrap}
.mod-badge.ok{color:#2E7D32;background:color-mix(in srgb,#43A047 18%,transparent)}
.mod-badge.no{color:var(--muted);background:color-mix(in srgb,var(--muted) 16%,transparent)}

/* collapsible mod accounts list (v37) */
.mod-accordion{margin-top:10px;border:2px solid var(--card-border);border-radius:14px;overflow:hidden;background:var(--card)}
.mod-accordion>summary{cursor:pointer;list-style:none;padding:11px 14px;font-family:var(--font-display);font-weight:800;font-size:13.5px;display:flex;align-items:center;justify-content:space-between}
.mod-accordion>summary::-webkit-details-marker{display:none}
.mod-accordion>summary::after{content:"▸";color:var(--muted);font-size:14px;transition:transform .15s ease}
.mod-accordion[open]>summary::after{transform:rotate(90deg)}
.mod-accordion-body{padding:0 12px 12px}
.mod-accordion-body .mod-user:first-child{margin-top:4px}