/* Teacher quiz only; respects the existing shared activity viewer. */
#kabuTeacherTrueFalse{padding:24px;border:2px solid white;border-radius:24px;background:linear-gradient(135deg,#eee5fa,#e4f4ed);color:#443456;line-height:1.7}
#kabuTeacherTrueFalse .ktf-heading{display:grid;grid-template-columns:minmax(0,1fr) 130px;align-items:center;gap:24px;margin-bottom:24px}
#kabuTeacherTrueFalse .ktf-heading>div{min-width:0}#kabuTeacherTrueFalse .ktf-eyebrow{font-size:13px;font-weight:800;letter-spacing:.6px;color:#765394}
#kabuTeacherTrueFalse h4{font-size:clamp(27px,3vw,38px);line-height:1.3;color:#6540b5;margin:10px 0 14px}
#kabuTeacherTrueFalse .ktf-heading p{font-size:19px;margin:0}
#kabuTeacherTrueFalse .ktf-heading img{display:block;width:100%;height:auto;object-fit:contain;background:transparent;max-width:130px}
#kabuTeacherTrueFalse fieldset{margin:0;border:1px solid #d6c4ed;border-radius:18px;padding:18px;min-width:0}
#kabuTeacherTrueFalse legend{font-size:20px;font-weight:800;padding:0 8px}
#kabuTeacherTrueFalse .ktf-rounds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
#kabuTeacherTrueFalse .ktf-rounds label{display:flex;align-items:center;gap:10px;padding:18px 14px;background:#ffffffba;border:2px solid white;box-shadow:0 4px 0 #ddcfec;border-radius:17px;min-height:90px;cursor:pointer;font-size:17px}
#kabuTeacherTrueFalse .ktf-rounds strong{display:block;font-size:18px}
#kabuTeacherTrueFalse .ktf-rounds input{width:23px;height:23px;accent-color:#6540b5;flex:none;margin:0}
#kabuTeacherTrueFalse .ktf-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}
#kabuTeacherTrueFalse button{min-height:50px;font:inherit;font-size:17px;font-weight:750;line-height:1.4;background:#6540b5;color:white;border:0;border-radius:15px;padding:13px 20px;box-shadow:0 4px 0 #4e2e90}
#kabuTeacherTrueFalse button:disabled{cursor:default;opacity:.65;box-shadow:none}
#kabuTeacherTrueFalse :is(button,input,summary):focus-visible{outline:3px solid #563397;outline-offset:4px}
#kabuTeacherTrueFalse #ktfHow,#kabuTeacherTrueFalse #ktfChange{background:#e3d5f6;color:#50317b;box-shadow:0 4px 0 #d0bee9}
#kabuTeacherTrueFalse #ktfHelp{padding:16px;background:#fff4d2;border-radius:16px;font-size:17px}
#kabuTeacherTrueFalse .ktf-metrics{display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap;background:white;padding:16px 20px;border-radius:18px;font-size:19px}
#kabuTeacherTrueFalse progress{width:100%;height:18px;accent-color:#6540b5}
#kabuTeacherTrueFalse .ktf-question{background:#fff;border:2px solid #e8dcf7;border-radius:24px;padding:24px;margin:20px 0}
#kabuTeacherTrueFalse .ktf-decor{display:block;text-align:center;color:#95701b;font-size:25px;letter-spacing:10px}
#kabuTeacherTrueFalse #ktfQuestion{font-size:clamp(25px,3.2vw,36px);line-height:1.55;margin:16px auto 24px;max-width:900px;color:#49335e;word-break:normal;overflow-wrap:normal;hyphens:none;text-align:center}
#kabuTeacherTrueFalse .ktf-answer-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
#kabuTeacherTrueFalse .ktf-answer-buttons button{min-height:96px;padding:20px;font-size:clamp(23px,3vw,32px);border-radius:21px}
#kabuTeacherTrueFalse #ktfTrue{background:#277b57;box-shadow:0 6px 0 #1b5c40}#kabuTeacherTrueFalse #ktfFalse{background:#b7494d;box-shadow:0 6px 0 #90353d}
#kabuTeacherTrueFalse .ktf-feedback{padding:20px;background:#fff5d8;border:2px solid white;border-radius:18px;margin:18px 0;font-size:19px;line-height:1.7}
#kabuTeacherTrueFalse .ktf-feedback strong{font-size:21px}
#kabuTeacherTrueFalse .ktf-feedback p{margin:10px 0 0}
#kabuTeacherTrueFalse .ktf-positive{background:#dff3e6}#kabuTeacherTrueFalse .ktf-positive::before{content:"✦ ★ ✦";display:block;color:#90701d;letter-spacing:9px;animation:ktfStar .65s ease-out}
#kabuTeacherTrueFalse #ktfCorrectAnswer{font-weight:800;font-size:17px}
#kabuTeacherTrueFalse #ktfResults{padding:24px;background:#f8fff9;border:2px solid white;border-radius:24px;text-align:center}
#kabuTeacherTrueFalse #ktfResultTitle{font-size:32px;line-height:1.4;color:#6540b5;margin:16px 0}
#kabuTeacherTrueFalse .ktf-celebration{display:block;font-size:34px;color:#95701b;letter-spacing:7px;animation:ktfStar .8s ease-out}
#kabuTeacherTrueFalse .ktf-result-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0}
#kabuTeacherTrueFalse .ktf-result-stats>div{padding:15px 10px;background:#eae1f8;border-radius:17px}#kabuTeacherTrueFalse dt{font-size:16px;font-weight:700}#kabuTeacherTrueFalse dd{font-size:25px;font-weight:850;margin:8px 0 0}
#kabuTeacherTrueFalse #ktfResults .ktf-actions{justify-content:center}
#kabuTeacherTrueFalse .ktf-printbar{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;padding:18px;background:#ffffff85;border-radius:18px}
#kabuTeacherTrueFalse .ktf-printbar span{font-size:15px;max-width:400px}
#kabuTeacherTrueFalse #ktfTeacherTools{padding:0 18px 20px;background:#fff4d9;border:1px solid #ead7a7;border-radius:18px;margin-top:24px}
#kabuTeacherTrueFalse #ktfTeacherTools>summary{display:list-item;list-style:disclosure-closed;min-height:60px;padding:18px 0;font-size:19px;font-weight:800;cursor:pointer;color:#6540b5}
#kabuTeacherTrueFalse #ktfTeacherTools[open]>summary{list-style:disclosure-open}#kabuTeacherTrueFalse #ktfTeacherTools>summary::-webkit-details-marker{display:inline}
#kabuTeacherTrueFalse #ktfKeyList{padding:0;list-style:none}#kabuTeacherTrueFalse #ktfKeyList li{margin:14px 0;padding:14px;background:#fff;border-radius:14px;font-size:16px}#kabuTeacherTrueFalse #ktfKeyList p{margin:8px 0 0}
#kabuTeacherTrueFalse #ktfStatus{font-size:17px;font-weight:700;min-height:1.7em}
#kabuTeacherTrueFalse [hidden]{display:none!important}
@keyframes ktfStar{from{opacity:0;transform:translateY(5px) scale(.85)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:700px){#kabuTeacherTrueFalse{padding:16px 12px}#kabuTeacherTrueFalse .ktf-heading{grid-template-columns:1fr;gap:16px}#kabuTeacherTrueFalse .ktf-heading img{max-width:95px;justify-self:center}#kabuTeacherTrueFalse .ktf-rounds{grid-template-columns:1fr;gap:12px}#kabuTeacherTrueFalse .ktf-rounds label{min-height:74px}#kabuTeacherTrueFalse .ktf-question{padding:18px 14px}#kabuTeacherTrueFalse .ktf-answer-buttons{gap:14px}#kabuTeacherTrueFalse .ktf-answer-buttons button{min-height:80px;padding:16px 8px;font-size:23px}#kabuTeacherTrueFalse .ktf-result-stats{grid-template-columns:repeat(2,minmax(0,1fr))}#kabuTeacherTrueFalse .ktf-actions button{flex:1 1 150px}#kabuTeacherTrueFalse .ktf-printbar{padding:14px}}
@media(prefers-reduced-motion:reduce){#kabuTeacherTrueFalse *,#kabuTeacherTrueFalse *::before{animation:none!important;transition:none!important}}