/* PlotPoint — shared title-room styles.
   Palette + type match the hub. Screens switch via .active; the room engine
   (room-engine.js) toggles them. RTL-aware; print styles at the bottom. */
:root{
  --navy:#1c2247;--navy-d:#12163a;--plum:#7a4fce;--plum-d:#5a34a6;
  --gold:#f5c542;--gold-d:#c99a12;
  --paper:#f5f4fb;--ink:#191d33;--ink-soft:#5b6079;--card:#fff;--line:#e0def0;
  --good:#1a7a4a;--good-bg:#eafaf1;--bad:#b23a52;--bad-bg:#fdeef1;
  --accent:var(--plum);--accent-rgb:122,79,206;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:'Nunito',sans-serif;color:var(--ink);line-height:1.55;background:
  radial-gradient(ellipse 55% 40% at 92% -8%,rgba(245,197,66,.14)0%,transparent 60%),
  radial-gradient(ellipse 50% 45% at -5% 100%,rgba(var(--accent-rgb),.14)0%,transparent 60%),var(--paper);
  min-height:100vh}
html[dir="rtl"] body{font-family:'Nunito','Segoe UI',Tahoma,sans-serif}
a{color:var(--plum-d)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:8px;top:-48px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:0 0 10px 10px;
  z-index:50;font-weight:700;transition:top .15s}
.skip-link:focus{top:0}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap;
  background:rgba(245,244,251,.92);backdrop-filter:blur(8px);border-bottom:2px solid var(--line);padding:10px clamp(14px,4vw,28px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .dot{width:14px;height:14px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(245,197,66,.28)}
.brand b{font-family:'Fredoka',sans-serif;font-weight:700;color:var(--navy);font-size:1.1rem}
.brand span{font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--plum);font-weight:700;display:block}
.topmeta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.progresschip{font-family:'Fredoka',sans-serif;font-weight:600;font-size:.72rem;color:var(--plum-d);
  background:rgba(var(--accent-rgb),.10);border-radius:100px;padding:6px 12px}
.langbar{display:flex;align-items:center;gap:6px}
.langbar .globe{font-size:1.1rem}
.breakout-i18n-switcher{min-height:40px;padding:7px 10px;font-family:'Nunito',sans-serif;font-weight:700;color:var(--navy);
  background:#fff;border:2px solid var(--line);border-radius:10px}
.breakout-i18n-switcher:focus{outline:none;border-color:var(--plum);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.15)}

/* ---------- shell: nav rail + content ---------- */
.shell{display:grid;grid-template-columns:236px 1fr;gap:24px;max-width:1160px;margin:0 auto;padding:20px clamp(14px,4vw,28px) 90px}
@media(max-width:860px){.shell{grid-template-columns:1fr;gap:14px}}
.rail{position:sticky;top:74px;align-self:start;display:flex;flex-direction:column;gap:4px;max-height:calc(100vh - 90px);overflow:auto}
@media(max-width:860px){.rail{position:static;flex-direction:row;flex-wrap:wrap;max-height:none}}
.navbtn{display:flex;align-items:center;gap:10px;text-align:left;font-family:'Nunito',sans-serif;font-weight:700;font-size:.9rem;
  color:var(--navy);background:#fff;border:2px solid var(--line);border-radius:12px;padding:10px 13px;cursor:pointer;transition:.13s;width:100%}
html[dir="rtl"] .navbtn{text-align:right}
.navbtn:hover{border-color:var(--plum)}
.navbtn[aria-current="true"]{background:var(--plum);border-color:var(--plum);color:#fff}
.navbtn .ic{font-size:1.1rem;width:1.4em;text-align:center}
.navbtn .done{margin-inline-start:auto;font-size:.8rem;color:var(--good)}
.navbtn[aria-current="true"] .done{color:#d4ffe6}
@media(max-width:860px){.navbtn{width:auto;font-size:.82rem;padding:8px 11px}.navbtn .lbl{display:inline}}

/* ---------- screens ---------- */
.screen{display:none;animation:fade .2s ease}
.screen.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.screen{animation:none}}
.panel{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:clamp(18px,3vw,30px);box-shadow:0 4px 18px rgba(20,30,80,.05)}
.panel + .panel{margin-top:18px}
.eyebrow{display:inline-block;font-family:'Fredoka',sans-serif;font-weight:700;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;background:var(--accent,var(--plum));padding:5px 13px;border-radius:100px}
h1.rtitle{font-family:'Fredoka',sans-serif;font-weight:700;color:var(--navy);font-size:clamp(1.5rem,3.2vw,2.3rem);line-height:1.06;margin:12px 0 4px}
h1.rtitle .byline{color:var(--ink-soft);font-size:.6em;font-weight:600;display:inline-block}
.enter-head{display:flex;gap:22px;align-items:flex-start}
.enter-head-txt{flex:1;min-width:0}
.enter-hero{flex:0 0 34%;max-width:300px}
.enter-hero img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;border:2px solid var(--line);box-shadow:0 6px 18px rgba(20,30,80,.10)}
.enter-hero.ph{aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  border:2px dashed var(--line);border-radius:14px;background:linear-gradient(135deg,#efe9fb,#e3ddf6);color:var(--ink-soft);font-weight:700;font-size:.8rem;padding:14px}
.enter-hero.ph small{display:block;margin-top:6px;font-family:monospace;font-size:.7rem;opacity:.8;word-break:break-all}
@media(max-width:640px){.enter-head{flex-direction:column-reverse}.enter-hero{flex:none;max-width:none;width:100%}}
h2.stitle{font-family:'Fredoka',sans-serif;font-weight:700;color:var(--navy);font-size:1.3rem;margin:0 0 4px}
h3{font-family:'Fredoka',sans-serif;font-weight:600;color:var(--navy)}
.lead{color:var(--ink-soft);font-weight:600;margin:8px 0}
.metaline{color:var(--ink-soft);font-weight:700;font-size:.9rem}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.pill{font-family:'Nunito',sans-serif;font-weight:700;font-size:.74rem;color:var(--plum-d);background:rgba(var(--accent-rgb),.10);
  border-radius:100px;padding:5px 12px}
.pill.warn{color:#8a5a00;background:rgba(245,197,66,.20)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.grid2{grid-template-columns:1fr}}
.enter-notices{margin-top:14px;border:1px solid var(--line);border-radius:12px;background:rgba(var(--accent-rgb),.035);overflow:hidden}
.enter-notices summary{cursor:pointer;padding:10px 14px;font-family:'Nunito',sans-serif;font-size:.84rem;font-weight:800;color:var(--ink-soft);list-style-position:inside}
.enter-notices[open] summary{border-bottom:1px solid var(--line);color:var(--navy)}
.enter-notices .grid2{padding:14px 14px 0}
.enter-notices .disclaimer{margin:12px 14px 14px}
.note{border-inline-start:4px solid var(--gold);background:rgba(245,197,66,.10);border-radius:0 10px 10px 0;padding:10px 14px;font-weight:600;font-size:.88rem;color:var(--ink)}
.disclaimer{margin-top:14px;padding:12px 16px;border:2px solid var(--gold-d);border-radius:12px;background:rgba(245,197,66,.10);
  font-weight:600;font-size:.8rem;line-height:1.5;color:var(--ink)}
.ace-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
@media(max-width:640px){.ace-cards{grid-template-columns:1fr}}
.ace-card{border:2px solid var(--line);border-radius:12px;padding:14px}
.ace-card .k{font-family:'Fredoka',sans-serif;font-weight:700;color:var(--plum-d)}
.ace-card .goal{font-weight:700;margin:4px 0}
.ace-card .pr{font-size:.85rem;color:var(--ink-soft);font-weight:600}

ul.ticks{list-style:none;display:flex;flex-direction:column;gap:6px;margin:8px 0}
ul.ticks li{padding-inline-start:24px;position:relative;font-weight:600}
ul.ticks li::before{content:"▸";position:absolute;inset-inline-start:2px;color:var(--plum)}

/* ---------- buttons ---------- */
.btn{font-family:'Fredoka',sans-serif;font-weight:600;font-size:.95rem;border-radius:12px;padding:11px 20px;cursor:pointer;border:2px solid transparent;transition:.14s;min-height:44px}
.btn.primary{background:var(--plum);color:#fff}
.btn.primary:hover{background:var(--plum-d)}
.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--plum)}
.btn:focus-visible{outline:3px solid var(--plum);outline-offset:2px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* ---------- vocabulary ---------- */
.vocab-modes{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.vocab-modes .chip{font-family:'Nunito',sans-serif;font-weight:700;font-size:.84rem;color:var(--navy);background:#fff;border:2px solid var(--line);border-radius:100px;padding:7px 14px;cursor:pointer}
.vocab-modes .chip[aria-pressed="true"]{background:var(--plum);border-color:var(--plum);color:#fff}
.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.match-grid{grid-template-columns:1fr}}
.match-col h3{margin-bottom:8px}
.tile{display:block;width:100%;text-align:start;font-weight:700;color:var(--navy);background:#fff;border:2px solid var(--line);border-radius:10px;padding:11px 14px;cursor:pointer;margin-bottom:8px;transition:.12s}
.tile:hover{border-color:var(--plum)}
.tile[aria-pressed="true"]{background:rgba(var(--accent-rgb),.12);border-color:var(--plum)}
.tile.matched{background:var(--good-bg);border-color:#a7e0c1;color:var(--good);cursor:default}
.tile.wrong{background:var(--bad-bg);border-color:#f1c0cb}
.vcard{border:2px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px}
.vcard .term{font-family:'Fredoka',sans-serif;font-weight:700;color:var(--plum-d);font-size:1.05rem}
.vcard .def{font-weight:600;margin:4px 0}
.vcard .ex{font-size:.85rem;color:var(--ink-soft);font-weight:600}

/* ---------- relic room ---------- */
.relic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:12px}
.relic-card{text-align:center;border:2px solid var(--line);border-radius:14px;padding:12px;background:#fff;cursor:pointer;transition:.14s}
.relic-card:hover{border-color:var(--plum);transform:translateY(-2px)}
.relic-card .thumb{aspect-ratio:1/1;border-radius:10px;background:linear-gradient(135deg,#efe9fb,#e3ddf6);display:flex;align-items:center;justify-content:center;font-size:2rem;margin-bottom:8px;overflow:hidden}
.relic-card .thumb img{width:100%;height:100%;object-fit:cover}
.relic-card .nm{font-weight:700;font-size:.86rem;color:var(--navy)}
.relic-card .st{font-size:.72rem;font-weight:700;color:var(--ink-soft)}
.relic-card.done{border-color:#a7e0c1;background:var(--good-bg)}
.relic-card.done .st{color:var(--good)}
.relic-card.active{border-color:var(--plum);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.28)}
.relic-card:focus-visible{outline:3px solid var(--plum);outline-offset:2px}
#artifact-detail .stitle:focus-visible{outline:3px solid var(--plum);outline-offset:3px}
.artifact{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:18px}
@media(max-width:680px){.artifact{grid-template-columns:1fr}}
.artifact .frame{aspect-ratio:4/5;border-radius:14px;background:linear-gradient(135deg,#efe9fb,#e3ddf6);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:16px;overflow:hidden;border:2px solid var(--line)}
.artifact .frame img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.artifact .frame .ph{color:var(--ink-soft);font-weight:700;font-size:.8rem}
.artifact .frame .ph small{display:block;margin-top:6px;font-family:monospace;font-size:.7rem;opacity:.8}
.clues{list-style:none;display:flex;flex-direction:column;gap:6px;margin:10px 0}
.clues li{background:rgba(var(--accent-rgb),.07);border-radius:8px;padding:8px 12px;font-weight:600;font-size:.88rem}

/* generic question block (relic, ctob, analysis) */
.qblock{border:2px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.qblock .qlabel{font-family:'Fredoka',sans-serif;font-weight:600;color:var(--plum-d);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em}
.qblock .qtext{font-weight:700;margin:4px 0 10px}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{display:flex;align-items:flex-start;gap:10px;border:2px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;font-weight:600;transition:.12s}
.opt:hover{border-color:var(--plum)}
.opt input{margin-top:3px}
.opt.correct{background:var(--good-bg);border-color:#a7e0c1}
.opt.incorrect{background:var(--bad-bg);border-color:#f1c0cb}
textarea,input.txt,select.sel{width:100%;font-family:'Nunito',sans-serif;font-weight:600;font-size:.95rem;color:var(--ink);background:#fff;border:2px solid var(--line);border-radius:10px;padding:10px 12px}
textarea:focus,input.txt:focus,select.sel:focus{outline:none;border-color:var(--plum);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.14)}
label.fld{display:block;font-weight:700;margin:10px 0 4px;color:var(--navy)}
.feedback{margin-top:10px;border-radius:10px;padding:10px 14px;font-weight:700;display:none}
.feedback.show{display:block}
.feedback.ok{background:var(--good-bg);color:var(--good)}
.feedback.no{background:var(--bad-bg);color:var(--bad)}
.hintbox{margin-top:8px}
.hintbox .hint{display:none;background:rgba(245,197,66,.12);border-radius:8px;padding:8px 12px;font-weight:600;font-size:.86rem;margin-top:6px}
.hintbox .hint.show{display:block}

/* ---------- CTOB locks ---------- */
.lock{border:2px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.lock.solved{border-color:#a7e0c1;background:var(--good-bg)}
.lock .lhead{display:flex;align-items:center;gap:8px;justify-content:space-between}
.lock .ltype{font-family:'Fredoka',sans-serif;font-weight:600;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--plum-d);background:rgba(var(--accent-rgb),.10);padding:3px 10px;border-radius:100px}
.lock .digit-in{letter-spacing:.3em;font-family:monospace;text-align:center;max-width:200px}
.seq-list{list-style:none;display:flex;flex-direction:column;gap:6px;margin:10px 0}
.seq-item{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:600}
.seq-item .mv{margin-inline-start:auto;display:flex;gap:4px}
.seq-item button.mvbtn{border:1.5px solid var(--line);background:#fff;border-radius:8px;width:34px;height:34px;cursor:pointer;font-weight:800;color:var(--navy)}

/* ---------- arcade ---------- */
.arcade-board{border:2px solid var(--line);border-radius:14px;padding:16px;background:linear-gradient(160deg,#faf9ff,#f1eefb)}
.buckets{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:12px}
@media(max-width:640px){.buckets{grid-template-columns:1fr}}
.bucket{border:2px dashed var(--line);border-radius:12px;padding:12px;min-height:120px;background:#fff}
.bucket.over{border-color:var(--plum);background:rgba(var(--accent-rgb),.06)}
.bucket h3{font-size:.95rem;margin-bottom:8px}
.bucket .drop{color:var(--ink-soft);font-size:.8rem;font-weight:600}
.acard{border:2px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px;background:#fff;font-weight:700;cursor:grab;display:flex;gap:8px;align-items:center}
.acard:focus-visible{outline:3px solid var(--plum);outline-offset:2px}
.acard.placed{cursor:default}
.acard.ok{background:var(--good-bg);border-color:#a7e0c1}
.acard.err{background:var(--bad-bg);border-color:#f1c0cb}
.acard .sendbtns{margin-inline-start:auto;display:flex;gap:4px}
.acard .sendbtns button{border:1.5px solid var(--line);background:#fff;border-radius:7px;padding:3px 8px;font-size:.72rem;font-weight:800;cursor:pointer;color:var(--navy)}
.arcade-status{margin-top:12px;font-weight:700;color:var(--navy)}
.scoremeter{height:12px;background:var(--line);border-radius:100px;overflow:hidden;margin-top:8px}
.scoremeter span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--plum),var(--gold));transition:width .3s}

/* ---------- Gen AI panel ---------- */
.toggle-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:10px 0}
.switch{position:relative;display:inline-block;width:52px;height:30px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:var(--line);border-radius:100px;transition:.2s;cursor:pointer}
.slider::before{content:"";position:absolute;width:22px;height:22px;left:4px;top:4px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .slider{background:var(--plum)}
.switch input:checked + .slider::before{transform:translateX(22px)}
html[dir="rtl"] .switch input:checked + .slider::before{transform:translateX(-22px)}
.switch input:focus-visible + .slider{outline:3px solid var(--plum);outline-offset:2px}
.genai-body{margin-top:10px}
.genai-body.disabled{opacity:.5;pointer-events:none}
.prompt{border:2px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.prompt .pt{font-family:'Fredoka',sans-serif;font-weight:600;color:var(--plum-d);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.prompt .pc{font-weight:600;margin:6px 0;white-space:pre-wrap}
.copybtn{font-family:'Fredoka',sans-serif;font-weight:600;font-size:.8rem;color:var(--plum-d);background:#fff;border:2px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer}
.copybtn:hover{border-color:var(--plum)}
.receipt label.fld{margin-top:8px}

/* ---------- score / result ---------- */
.result{text-align:center}
.score-badge{display:inline-block;font-family:'Fredoka',sans-serif;font-weight:700;font-size:1.5rem;color:#fff;background:var(--plum);border-radius:16px;padding:14px 28px;margin:10px 0}

/* ---------- teacher / standards ---------- */
.std-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.86rem}
.std-table th,.std-table td{border:1px solid var(--line);padding:8px 10px;text-align:start;vertical-align:top}
.std-table th{background:rgba(var(--accent-rgb),.08);font-family:'Fredoka',sans-serif;color:var(--navy)}
details.acc{border:2px solid var(--line);border-radius:12px;padding:4px 14px;margin-bottom:10px}
details.acc summary{font-family:'Fredoka',sans-serif;font-weight:600;color:var(--navy);cursor:pointer;padding:10px 0}
details.acc[open] summary{color:var(--plum-d)}

.review-flag{font-size:.72rem;font-weight:700;color:#8a5a00;background:rgba(245,197,66,.18);border-radius:6px;padding:2px 8px;margin-inline-start:6px}

footer.site{text-align:center;margin:36px auto 0;max-width:1160px;padding:0 20px;font-size:.8rem;color:var(--ink-soft);font-weight:600;line-height:1.7}
footer.site a{color:var(--plum-d);font-weight:700}

/* ---------- print ---------- */
@media print{
  body{background:#fff}
  .topbar,.rail,.langbar,.btn,.vocab-modes,.arcade-board,.no-print,footer.site{display:none !important}
  .shell{display:block;padding:0}
  .screen{display:none !important}
  #print-area{display:block !important}
  .panel{box-shadow:none;border:1px solid #ccc;break-inside:avoid}
  h1.rtitle,h2.stitle{color:#000}
}
#print-area{display:none}