.quiz-root{--quiz-ink:#242a31;--quiz-muted:#676d70;--quiz-paper:#fffdf8;--quiz-line:#e3dfd6;--quiz-coral:#e26448;--quiz-coral-dark:#b94632;--quiz-green:#256a54;--quiz-good:#e8f3e8;--quiz-bad:#fff0e8;color:var(--quiz-ink);font-family:inherit;margin:0 auto;padding:clamp(20px,3vw,46px);background:var(--quiz-paper);border:1px solid var(--quiz-line);border-radius:18px;box-shadow:0 8px 36px #28230f05;max-width:1260px;box-sizing:border-box}
.quiz-root *{box-sizing:border-box}.quiz-root button,.quiz-root input,.quiz-root select{font:inherit}.quiz-root button{cursor:pointer}.quiz-root button:disabled{cursor:default}.quiz-root button:focus-visible,.quiz-root input:focus-visible,.quiz-root select:focus-visible,.quiz-root a:focus-visible{outline:3px solid #367483;outline-offset:3px}.quiz-header{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;margin-bottom:30px}.quiz-eyebrow{font:600 11px/1.5 inherit;letter-spacing:.16em;color:var(--quiz-coral-dark);margin:0 0 10px;text-transform:uppercase}.quiz-header h2{font-size:clamp(25px,3vw,39px);font-weight:600;letter-spacing:-.035em;line-height:1.1;margin:0 0 13px;font-family:Georgia,'Times New Roman',serif}.quiz-intro{font-size:14px;line-height:1.6;color:var(--quiz-muted);max-width:600px;margin:0}.quiz-score{flex-shrink:0;text-align:center;min-width:108px;border-left:1px solid var(--quiz-line);padding-left:26px;display:flex;flex-direction:column;gap:5px}.quiz-score strong{font-size:32px;letter-spacing:-.035em;line-height:1}.quiz-score strong span{font-size:19px;color:var(--quiz-muted);font-weight:400}.quiz-score small{font-size:11px;text-transform:uppercase;letter-spacing:.08em}.quiz-streak{font-size:11px;color:var(--quiz-coral-dark);padding-top:5px}.quiz-controls{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;padding:18px 0;border-top:1px solid var(--quiz-line);border-bottom:1px solid var(--quiz-line)}.quiz-field{display:flex;flex-direction:column;gap:7px;flex:1 1 155px;min-width:0}.quiz-field>span{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--quiz-muted)}.quiz-field select,.quiz-field input,.quiz-match-row select{border:1px solid var(--quiz-line);border-radius:7px;background:white;min-height:42px;padding:8px 11px;color:var(--quiz-ink);font-size:12px;max-width:100%;width:100%}.quiz-deck-button{height:42px;display:flex;align-items:center;justify-content:center;gap:14px;border:1px solid var(--quiz-coral);border-radius:7px;color:var(--quiz-coral-dark);background:transparent;font-size:12px;padding:9px 14px;white-space:nowrap}.quiz-deck-button:hover,.quiz-secondary:hover{background:#fff1e8}.quiz-scope-note{font-size:12px;color:var(--quiz-coral-dark);margin:12px 0 0}.quiz-concept-toggle{display:flex;align-items:center;gap:7px;margin:13px 0 0;color:var(--quiz-muted);font-size:12px}.quiz-concept-toggle input{accent-color:var(--quiz-coral)}.quiz-stage{padding-top:28px;min-height:300px}.quiz-question-meta{display:flex;justify-content:space-between;gap:15px;color:var(--quiz-muted);font-size:11px;letter-spacing:.06em;text-transform:uppercase}.quiz-progress-track{height:3px;background:var(--quiz-line);margin-top:12px;border-radius:2px;overflow:hidden}.quiz-progress-track span{height:100%;display:block;background:var(--quiz-coral);transition:width .3s}.quiz-question h3,.quiz-game h3{font-size:clamp(21px,2.2vw,29px);font-family:Georgia,'Times New Roman',serif;font-weight:500;line-height:1.35;margin:25px 0 10px;letter-spacing:-.025em}.quiz-instruction{font-size:13px;color:var(--quiz-muted);line-height:1.65;margin:0 0 23px;max-width:780px}.quiz-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quiz-choice{position:relative;display:flex;align-items:center;gap:15px;text-align:left;min-height:74px;padding:16px;border:1px solid var(--quiz-line);border-radius:9px;background:white;color:var(--quiz-ink);font-size:16px;line-height:1.4;transition:background .15s,border-color .15s}.quiz-choice-index{display:grid;place-items:center;border:1px solid var(--quiz-line);border-radius:50%;width:27px;height:27px;flex-shrink:0;font-size:10px;font-weight:700;color:var(--quiz-muted)}.quiz-choice:hover:not(:disabled){background:#fff6ee;border-color:#e4b19d}.quiz-choice-selected{background:#fff1e7;border-color:var(--quiz-coral);box-shadow:0 0 0 1px var(--quiz-coral)}.quiz-choice-selected .quiz-choice-index{background:var(--quiz-coral);color:white;border-color:var(--quiz-coral)}.quiz-choice-indicator{margin-left:auto;font-weight:700;color:var(--quiz-coral-dark)}.quiz-choice-correct{background:var(--quiz-good);border-color:#81ac8e;box-shadow:none;color:var(--quiz-green)}.quiz-choice-correct .quiz-choice-indicator{color:var(--quiz-green)}.quiz-choice-wrong{background:var(--quiz-bad);border-color:#ce765c;box-shadow:none}.quiz-input-label{display:flex;flex-direction:column;gap:10px;max-width:560px;font-size:12px;color:var(--quiz-muted)}.quiz-answer-input{width:100%;border:1px solid var(--quiz-line);border-bottom:2px solid var(--quiz-coral);padding:17px 18px;border-radius:8px;background:white;color:var(--quiz-ink);font-size:23px!important}.quiz-answer-input:disabled{opacity:.8}.quiz-question-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:24px}.quiz-primary,.quiz-secondary{border:1px solid transparent;border-radius:7px;padding:12px 19px;font-size:13px;display:inline-flex;gap:16px;align-items:center;justify-content:center;line-height:1.4;min-height:43px}.quiz-primary{background:var(--quiz-coral);color:white;font-weight:600}.quiz-primary:hover:not(:disabled){background:var(--quiz-coral-dark)}.quiz-primary:disabled{opacity:.4}.quiz-secondary{background:transparent;color:var(--quiz-coral-dark);border-color:#dec4b5}.quiz-quiet{background:transparent;color:var(--quiz-muted);border:0;padding:8px 0;font-size:12px;text-decoration:underline;text-underline-offset:4px}.quiz-quiet:hover{color:var(--quiz-coral-dark)}.quiz-feedback{border:1px solid var(--quiz-line);border-left-width:4px;border-radius:8px;padding:18px 20px;margin-top:22px;line-height:1.65;font-size:13px}.quiz-feedback strong{font-size:16px}.quiz-feedback p{margin:8px 0}.quiz-feedback p b{font-weight:600}.quiz-feedback-good{background:var(--quiz-good);border-left-color:var(--quiz-green)}.quiz-feedback-good>strong{color:var(--quiz-green)}.quiz-feedback-bad{background:var(--quiz-bad);border-left-color:var(--quiz-coral)}.quiz-feedback-bad>strong{color:var(--quiz-coral-dark)}.quiz-sources{font-size:11px;color:var(--quiz-muted);display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:10px}.quiz-sources a{display:inline-flex;width:22px;height:22px;align-items:center;justify-content:center;border:1px solid #b2b6a7;border-radius:50%;color:var(--quiz-ink);text-decoration:none}.quiz-sources a:hover{background:white}.quiz-table-scroll{overflow-x:auto;padding:5px 3px 12px;margin:0 -3px}.quiz-table{display:grid;grid-template-columns:repeat(18,minmax(32px,1fr));grid-template-rows:repeat(10,44px);gap:3px;min-width:635px;max-width:1100px;margin:0 auto}.quiz-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;position:relative;background:#f1f0ec;border:1px solid #e3e0d6;border-radius:4px;color:var(--quiz-ink);padding:3px 0;transition:background .1s,border-color .1s;min-width:0}.quiz-cell small{font-size:8px;font-weight:400;line-height:1.25;color:var(--quiz-muted)}.quiz-cell b{font-size:14px;font-weight:600;line-height:1.2}.quiz-cell:hover:not(:disabled){border-color:var(--quiz-coral);transform:translateY(-1px)}.quiz-family-noble{background:#e9edf4}.quiz-family-nonmetal{background:#ecf2e7}.quiz-family-halogen{background:#dff0ea}.quiz-family-metalloid{background:#f3efda}.quiz-family-alkali{background:#fae7df}.quiz-family-alkaline{background:#f8eed9}.quiz-family-transition{background:#ede7e7}.quiz-family-post-transition{background:#e6edf0}.quiz-family-lanthanide{background:#efe7f1}.quiz-family-actinide{background:#f3e5ee}.quiz-cell-selected{background:#ef9e7f;border:2px solid var(--quiz-coral-dark);color:#3d271c}.quiz-cell-correct{background:#91c9a1;border:2px solid var(--quiz-green)}.quiz-cell-wrong{background:#efa989;border:2px solid #a2432b}.quiz-order{list-style:none;display:flex;flex-direction:column;gap:10px;margin:0;padding:0;max-width:750px}.quiz-order li{display:flex;align-items:center;gap:16px;padding:11px 14px;background:white;border:1px solid var(--quiz-line);border-radius:8px;min-height:58px}.quiz-order-number{font-size:12px;font-weight:600;display:grid;place-items:center;width:27px;height:27px;border:1px solid #e7d2c0;border-radius:50%;color:var(--quiz-coral-dark)}.quiz-order strong{font-size:15px;font-weight:500}.quiz-order-arrows{margin-left:auto;display:flex;gap:5px}.quiz-order-arrows button{width:30px;height:30px;border:1px solid var(--quiz-line);border-radius:5px;background:var(--quiz-paper);color:var(--quiz-ink);font-size:18px}.quiz-order-arrows button:hover:not(:disabled){background:#fff0e5;border-color:var(--quiz-coral)}.quiz-order-arrows button:disabled{opacity:.25}.quiz-match{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quiz-match-row{display:flex;align-items:center;gap:14px;border:1px solid var(--quiz-line);border-radius:8px;background:white;padding:13px}.quiz-match-row>span:first-child{font-size:23px;min-width:35px;font-weight:600}.quiz-match-row>span:nth-child(2){color:var(--quiz-coral-dark)}.quiz-match-row select{flex:1;min-width:0}.quiz-footer{border-top:1px solid var(--quiz-line);margin-top:32px;padding-top:14px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--quiz-muted);font-size:10px}.quiz-empty{padding:40px 20px;border:1px dashed var(--quiz-line);border-radius:9px;text-align:center;line-height:1.7;color:var(--quiz-muted);font-size:14px}.quiz-empty p{margin:0 0 18px}.quiz-summary{text-align:center;max-width:580px;margin:0 auto;padding:16px 0 22px}.quiz-summary-mark{font-family:Georgia,serif;font-size:45px;color:var(--quiz-coral);display:block;margin-bottom:12px}.quiz-summary h3{font-family:Georgia,serif;font-weight:500;font-size:72px;line-height:1;margin:15px 0}.quiz-summary h3 span{font-size:38px;color:var(--quiz-muted)}.quiz-summary>p:not(.quiz-eyebrow){font-size:14px;line-height:1.65;color:var(--quiz-muted)}.quiz-summary-actions{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px}.quiz-memory{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:750px;margin:0 auto}.quiz-memory-card{min-height:105px;border:1px solid #edcbb6;border-radius:10px;background:repeating-linear-gradient(45deg,#fff5e9,#fff5e9 7px,#f9efe1 7px,#f9efe1 8px);color:var(--quiz-coral-dark);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;padding:12px;transition:background .2s,transform .2s}.quiz-memory-card>span:first-child{font-size:31px;font-family:Georgia,serif}.quiz-memory-card:hover:not(:disabled){transform:translateY(-2px);border-color:var(--quiz-coral)}.quiz-memory-revealed{background:white;color:var(--quiz-ink);border-color:var(--quiz-coral)}.quiz-memory-card small{color:var(--quiz-muted);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.quiz-memory-card strong{font-weight:600;font-size:clamp(13px,1.6vw,21px);line-height:1.2;overflow-wrap:anywhere}.quiz-memory-matched{background:var(--quiz-good);border-color:#b5d1b7;color:var(--quiz-green)}.quiz-game-status{min-height:22px;line-height:1.5;color:var(--quiz-coral-dark);font-weight:600;font-size:14px;margin:20px 0 10px}.quiz-game-fact{font-size:13px;color:var(--quiz-muted);line-height:1.6}.quiz-game .quiz-primary{margin-top:10px}.quiz-domino-chain{display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding:19px;background:#f6f2e8;border:1px solid var(--quiz-line);border-radius:10px;min-height:105px}.quiz-domino-tile{display:flex;align-items:stretch;min-height:68px;border:1px solid #dac9b7;background:var(--quiz-paper);border-radius:8px;overflow:hidden;box-shadow:0 2px 0 #c8b8a641;max-width:100%;padding:0}.quiz-domino-tile b{display:flex;align-items:center;justify-content:center;min-width:55px;padding:10px;font-size:25px;font-weight:600;border-right:1px solid #dac9b7;color:var(--quiz-coral-dark)}.quiz-domino-tile>span{display:flex;align-items:center;justify-content:center;max-width:130px;min-width:60px;padding:10px 13px;font-size:12px;color:var(--quiz-ink);line-height:1.3}.quiz-domino-link{color:var(--quiz-coral-dark);font-size:17px}.quiz-domino-choices{display:flex;flex-wrap:wrap;gap:12px}.quiz-domino-choices .quiz-domino-tile:hover{border-color:var(--quiz-coral);background:#fff1e8}.quiz-domino-target{font-size:13px;color:var(--quiz-muted);margin:20px 0 14px}.quiz-domino-target strong{color:var(--quiz-ink)}.quiz-domino-wrong{border-color:var(--quiz-coral);background:#ffe8db}.quiz-deck-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.quiz-deck-heading h3{font-size:22px;font-weight:500;font-family:Georgia,serif;line-height:1.4;margin:0 0 18px;max-width:620px}.quiz-saved-decks{display:flex;flex-direction:column;gap:8px;margin:5px 0 23px}.quiz-saved-decks>p{font-size:13px;color:var(--quiz-muted)}.quiz-saved-deck{display:flex;align-items:center;gap:15px;padding:13px 16px;border:1px solid var(--quiz-line);border-radius:8px;background:#f7f3eb}.quiz-saved-deck>div{flex:1;min-width:0}.quiz-saved-deck strong{display:block;overflow-wrap:anywhere;font-size:14px;font-weight:600}.quiz-saved-deck small{display:block;font-size:11px;color:var(--quiz-muted);margin-top:4px}.quiz-delete{font-size:21px;border:0;background:none;color:var(--quiz-muted);padding:4px 8px}.quiz-delete:hover{color:var(--quiz-coral-dark)}.quiz-deck-create{display:flex;gap:12px;align-items:flex-end;margin:24px 0 20px}.quiz-deck-name{max-width:600px;flex-basis:250px}.quiz-deck-create>.quiz-primary{height:42px}.quiz-deck-tools{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-bottom:17px}.quiz-deck-search{flex:1 1 230px}.quiz-deck-search input{border:1px solid var(--quiz-line);border-radius:6px;background:white;padding:10px 12px;width:100%;font-size:12px}.quiz-selected-count{font-size:11px;color:var(--quiz-coral-dark);font-weight:600;white-space:nowrap}.quiz-deck-elements{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;max-height:510px;overflow:auto;padding:3px}.quiz-deck-element{display:flex;align-items:center;gap:7px;border:1px solid var(--quiz-line);background:white;border-radius:7px;min-height:49px;padding:9px;cursor:pointer;min-width:0}.quiz-deck-element input{accent-color:var(--quiz-coral);width:13px;height:13px;flex-shrink:0;margin:0}.quiz-deck-element b{font-size:17px;font-weight:600;min-width:27px}.quiz-deck-element span{font-size:11px;overflow-wrap:anywhere;line-height:1.25}.quiz-deck-element small{font-size:9px;color:var(--quiz-muted);margin-left:auto}.quiz-deck-element-selected{background:#fff0e5;border-color:#dd9f7f}.quiz-notice{font-size:12px;padding:10px 14px;border:1px solid #e8c5ac;border-radius:6px;background:#fff5ea;line-height:1.6}.quiz-sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.quiz-cell-outside{opacity:.25;filter:grayscale(1)}
@media(min-width:1000px){.quiz-table{grid-template-rows:repeat(10,51px)}.quiz-cell b{font-size:18px}.quiz-cell small{font-size:9px}}
@media(max-width:720px){.quiz-root{padding:22px 17px;border-radius:12px}.quiz-header{gap:13px;margin-bottom:21px}.quiz-header h2{font-size:26px}.quiz-intro{font-size:12px}.quiz-score{min-width:73px;padding-left:14px}.quiz-score strong{font-size:25px}.quiz-score strong span{font-size:15px}.quiz-score small,.quiz-streak{font-size:9px}.quiz-field{flex-basis:calc(50% - 12px)}.quiz-deck-button{flex:1}.quiz-stage{padding-top:23px}.quiz-choices{gap:8px}.quiz-choice{font-size:14px;padding:12px;gap:10px;min-height:71px}.quiz-match{grid-template-columns:1fr}.quiz-deck-elements{grid-template-columns:repeat(3,minmax(0,1fr))}.quiz-deck-heading{flex-direction:column;gap:5px}.quiz-deck-heading .quiz-secondary{margin-bottom:13px}.quiz-memory{gap:9px}.quiz-memory-card{min-height:91px}.quiz-domino-chain{padding:12px}.quiz-saved-deck{gap:9px;padding:12px}.quiz-saved-deck .quiz-secondary{font-size:11px;padding:9px}.quiz-question-actions{gap:12px}}
@media(max-width:450px){.quiz-choices{grid-template-columns:1fr}.quiz-choice{min-height:62px}.quiz-header{display:block}.quiz-score{display:flex;flex-direction:row;align-items:center;gap:12px;border:0;padding:0;margin-top:19px;justify-content:flex-start}.quiz-score strong{font-size:22px}.quiz-streak{margin-left:auto;padding:0}.quiz-field select{font-size:11px}.quiz-memory{grid-template-columns:repeat(3,minmax(0,1fr))}.quiz-memory-card{min-height:95px;padding:9px}.quiz-deck-elements{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-deck-create{flex-direction:column;align-items:stretch}.quiz-deck-name{flex-basis:auto;max-width:none}.quiz-footer{line-height:1.6}.quiz-summary h3{font-size:58px}.quiz-summary h3 span{font-size:30px}.quiz-domino-tile b{min-width:48px;font-size:23px}.quiz-domino-tile>span{min-width:55px;max-width:100px;padding:9px;font-size:11px}}
@media(prefers-reduced-motion:reduce){.quiz-root *{transition:none!important;scroll-behavior:auto!important}.quiz-memory-card:hover:not(:disabled),.quiz-cell:hover:not(:disabled){transform:none}}
/* Game tabs, compact header, timer, hints and keyboard focus. */
.quiz-root{padding:clamp(16px,2vw,28px)}
.quiz-header{align-items:center;margin-bottom:14px}
.quiz-tabs{display:flex;gap:4px;background:#f1eee6;border:1px solid var(--quiz-line);border-radius:10px;padding:4px}
.quiz-tab{border:0;background:transparent;padding:9px 18px;border-radius:7px;font-size:14px;font-weight:600;color:var(--quiz-muted)}
.quiz-tab-active{background:white;color:var(--quiz-ink);box-shadow:0 1px 3px #0000000f}
.quiz-score{flex-direction:row;align-items:baseline;gap:10px;min-width:0;border-left:0;padding-left:0}
.quiz-score strong{font-size:24px}.quiz-score strong span{font-size:15px}
.quiz-controls{padding:12px 0;gap:10px}
.quiz-field{gap:5px;flex:1 1 140px}.quiz-field-small{flex:0 1 110px}
.quiz-field select{min-height:36px;padding:6px 9px}
.quiz-deck-button{height:36px}
.quiz-stage{padding-top:18px;min-height:260px}
.quiz-question h3,.quiz-game h3{margin:16px 0 6px}
.quiz-instruction{margin:0 0 16px}
.quiz-question-meta{align-items:center}
.quiz-timer{display:flex;align-items:center;gap:8px;min-width:150px;text-transform:none;letter-spacing:0}
.quiz-timer i{display:block;height:6px;border-radius:3px;background:var(--quiz-green);flex:1;transition:width .2s linear}
.quiz-timer b{font-size:13px;font-variant-numeric:tabular-nums;color:var(--quiz-ink);min-width:36px;text-align:right}
.quiz-timer-low i{background:var(--quiz-coral)}.quiz-timer-low b{color:var(--quiz-coral-dark)}
.quiz-choice{min-height:60px;padding:12px 14px}
.quiz-choice:focus-visible{outline:3px solid #367483;outline-offset:2px}
.quiz-choice-eliminated{opacity:.3;text-decoration:line-through}
.quiz-hint{margin:16px 0 0;padding:11px 14px;border-radius:8px;background:#f2f0fb;border:1px solid #d6d1ee;font-size:13px;line-height:1.6}
.quiz-root kbd{font:600 10px/1 inherit;border:1px solid var(--quiz-line);border-bottom-width:2px;border-radius:4px;padding:2px 5px;margin-left:4px;background:white;color:var(--quiz-muted);text-decoration:none;display:inline-block}
.quiz-cell-hint{box-shadow:0 0 0 3px #7a6fd0;z-index:1}
.quiz-order{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.quiz-order li{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--quiz-line);border-radius:8px;background:white;cursor:grab;transition:background .15s,box-shadow .15s,opacity .15s,transform .15s}.quiz-order li:active{cursor:grabbing}.quiz-order-drag-handle{font-size:16px;color:var(--quiz-muted);opacity:.4;flex-shrink:0;user-select:none}.quiz-order-number{flex-shrink:0;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--quiz-line);font-size:12px;font-weight:700;color:var(--quiz-muted)}.quiz-order-arrows{margin-left:auto;display:flex;flex-direction:column;gap:2px;flex-shrink:0}.quiz-order-arrows button{width:24px;height:22px;padding:0;font-size:12px;line-height:1;border:1px solid var(--quiz-line);border-radius:4px;background:white;color:var(--quiz-muted);display:grid;place-items:center}.quiz-order-arrows button:hover:not(:disabled){background:#f4f7fb;border-color:#9bb3cf}.quiz-order-arrows button:disabled{opacity:.25;cursor:default}.quiz-order li:focus-visible{outline:3px solid #367483;outline-offset:2px}.quiz-order li.quiz-order-dragging{opacity:.35;transform:scale(.97)}.quiz-order li.quiz-order-drop-target{box-shadow:0 0 0 2px var(--quiz-coral);background:#fff8f6}
.quiz-memory{grid-template-columns:repeat(4,minmax(0,1fr));max-width:820px}
.quiz-memory-card{min-height:118px;padding:10px;gap:6px;overflow:hidden}
.quiz-memory-card img{width:100%;height:76px;object-fit:contain;border-radius:6px;background:#f2f1ec}
.quiz-memory-big{font-size:clamp(24px,3vw,34px)!important}
.quiz-memory-small{font-size:12px!important}
.quiz-memory-clue{font-size:11.5px;line-height:1.35;color:var(--quiz-ink)}
.quiz-memory-card code{font-size:12px;overflow-wrap:anywhere;color:var(--quiz-ink)}
.quiz-shells{width:62px;height:62px;color:var(--quiz-ink)}
.quiz-memory-hinted{box-shadow:0 0 0 3px #7a6fd0}
.quiz-domino-chain{flex-wrap:nowrap;overflow-x:auto;gap:4px;padding:12px;min-height:0;scrollbar-width:thin}
.quiz-domino-chain .quiz-domino-tile{flex-shrink:0}
.quiz-domino-tile{min-height:52px}
.quiz-domino-tile b{min-width:42px;padding:6px 8px;font-size:20px}
.quiz-domino-tile>span{min-width:46px;max-width:96px;padding:6px 9px;font-size:11.5px}
.quiz-domino-tile>span.quiz-domino-number{font-size:18px;font-weight:600}
.quiz-domino-link{font-size:14px}
.quiz-domino-choices{gap:8px}
.quiz-domino-hinted{box-shadow:0 0 0 3px #7a6fd0}
.quiz-domino-target{margin:14px 0 10px}
.quiz-game-status{margin:14px 0 6px}
.quiz-footer{margin-top:20px}
@media(max-width:720px){.quiz-header{flex-wrap:wrap}.quiz-tab{padding:8px 12px;font-size:13px}.quiz-memory{grid-template-columns:repeat(3,minmax(0,1fr))}.quiz-timer{min-width:110px}}
/* Pairing with cards. */
.quiz-match-cards{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:14px;max-width:900px}
.quiz-match-column{display:flex;flex-direction:column;gap:8px}
.quiz-match-card{min-height:52px;justify-content:space-between}
.quiz-match-card strong{font-size:22px}
.quiz-match-paired{background:#f4f7fb;border-color:#9bb3cf}
.quiz-pair-badge{display:grid;place-items:center;min-width:24px;height:24px;border-radius:50%;background:#4e6d93;color:white;font-size:11px;font-weight:700;margin-left:auto}
.quiz-details{margin:4px 0 8px;padding-left:20px}.quiz-details li{margin:3px 0}
/* Larger domino tiles with varied hooks; six tiles fit on one line at desktop width. */
.quiz-domino-tile{min-height:76px}
.quiz-domino-tile b{min-width:56px;padding:8px 10px;font-size:26px}
.quiz-domino-tile>span.quiz-domino-hook{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:112px;min-width:112px;max-width:112px;padding:6px 8px;font-size:13px;text-align:center;line-height:1.25}
.quiz-domino-hook img{width:96px;height:58px;object-fit:contain;border-radius:4px}
.quiz-domino-hook .quiz-shells{width:50px;height:50px}
.quiz-domino-hook small{font-size:10px;color:var(--quiz-muted)}
.quiz-hook-number,.quiz-hook-mass{font-size:20px;font-weight:600}
.quiz-hook-mass{font-size:16px}
.quiz-hook-configuration{font-family:ui-monospace,monospace;font-size:11px;overflow-wrap:anywhere}
.quiz-domino-target{display:flex;align-items:center;gap:12px}
.quiz-domino-goal{border-style:dashed}
.quiz-domino-choices{gap:10px}
@media(max-width:720px){.quiz-match-cards{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr)}.quiz-domino-tile>span.quiz-domino-hook{width:96px;min-width:96px}}
.quiz-choices-binary{max-width:640px}.quiz-choices-binary .quiz-choice{min-height:72px;font-size:19px;justify-content:center}
/* Memory: hidden cards recede, revealed and matched cards stand out. */
.quiz-memory-card{opacity:.62}
.quiz-memory-card:hover:not(:disabled){opacity:.85}
.quiz-memory-revealed,.quiz-memory-matched,.quiz-memory-hinted{opacity:1;box-shadow:0 3px 12px #4a2b1a1f}
.quiz-memory-revealed:disabled,.quiz-memory-matched:disabled{opacity:1}
.quiz-memory-matched{border-width:2px}
.quiz-root button:disabled{opacity:1}.quiz-root .quiz-choice-eliminated:disabled{opacity:.3}.quiz-root .quiz-primary:disabled{opacity:.4}
/* Domino chain: tiles touch; the hook of one tile and the symbol of the next share a colour. */
.quiz-domino-chain{gap:0;align-items:stretch}
.quiz-domino-chain .quiz-domino-tile{border-radius:0;margin-right:-1px;box-shadow:none}
.quiz-domino-chain .quiz-domino-tile:first-child{border-radius:8px 0 0 8px}
.quiz-domino-chain .quiz-domino-tile b{border-right:1px dashed #b9a995}
.quiz-domino-chain .quiz-domino-hook{border-right:2px solid #8a7a66}
.quiz-domino-closing{border-radius:0 8px 8px 0!important}
.quiz-domino-closing b{border-right:0!important}
.quiz-domino-ghost{opacity:.35;border-style:dashed}
/* Table pointing: cells outside the scope almost disappear. */
.quiz-root .quiz-cell.quiz-cell-outside:disabled{opacity:.13;filter:grayscale(1);border-color:transparent;background:#ecebe6}

/* Accordion for quiz filters */
.quiz-controls-accordion{margin:10px 0 0;border:1px solid var(--quiz-line);border-radius:10px;background:#f7f6f2}
.quiz-controls-summary{display:flex;align-items:center;gap:8px;padding:10px 14px;cursor:pointer;font-size:13px;font-weight:600;color:var(--quiz-muted);list-style:none;user-select:none}
.quiz-controls-summary::-webkit-details-marker{display:none}
.quiz-controls-summary::before{content:'';display:inline-block;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--quiz-muted);transition:transform .2s}
.quiz-controls-accordion[open] .quiz-controls-summary::before{transform:rotate(180deg)}
.quiz-controls-summary span{margin-left:auto;font-size:11px}
.quiz-controls-accordion .quiz-controls{padding:12px 14px 14px}
/* Sticky quiz action buttons */
.quiz-question-actions{position:sticky;bottom:0;z-index:5;background:linear-gradient(transparent,var(--quiz-paper) 30%);padding-top:12px;margin-top:auto}
@media(max-width:720px){.quiz-question-actions{position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--quiz-paper);border-top:1px solid var(--quiz-line);padding:10px 16px;box-shadow:0 -2px 10px #00000012).quiz-root{padding-bottom:80px}.quiz-controls-accordion .quiz-controls{gap:8px}}