:root{--navy:#081547;--yellow:#ffd62e;--blue:#4edbf4;--pink:#ff5d8f;--green:#75e6a1;--cream:#fffaf0}*{box-sizing:border-box}body{margin:0;color:var(--navy);background:radial-gradient(circle at 8% 12%,#fff1a3 0 8rem,transparent 8.1rem),radial-gradient(circle at 94% 20%,#d9f9ff 0 10rem,transparent 10.1rem),var(--cream);font-family:"Trebuchet MS","Arial Rounded MT Bold",Arial,sans-serif;line-height:1.55}a{color:inherit}.detail-header{padding:.7rem 0;border-bottom:4px solid var(--navy);background:#fff}.detail-shell{width:min(1020px,calc(100% - 1.5rem));margin-inline:auto}.detail-nav{display:flex;align-items:center;justify-content:space-between;gap:1rem}.detail-logo{width:170px;height:auto}.back-home{display:inline-flex;align-items:center;gap:.4rem;min-height:50px;padding:.6rem 1rem;border:3px solid var(--navy);border-radius:16px;background:var(--blue);box-shadow:0 4px 0 var(--navy);font-weight:900;text-decoration:none}.detail-main{padding:2rem 0 4rem}.detail-card{padding:clamp(1rem,4vw,2.3rem);border:5px solid var(--navy);border-radius:32px;background:#fff;box-shadow:0 13px 0 rgba(8,21,71,.16)}.detail-kicker{margin:0 0 .5rem;color:#9b3d63;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.detail-card h1{margin:.2rem 0 .6rem;font-size:clamp(2.2rem,7vw,4.8rem);line-height:.95}.detail-lead{max-width:48rem;font-size:1.15rem}.detail-badges{display:flex;flex-wrap:wrap;gap:.55rem;margin:1rem 0}.detail-badge{padding:.35rem .75rem;border:2px solid var(--navy);border-radius:999px;background:#fff5b6;font-weight:900}.video-frame{overflow:hidden;margin:1.5rem 0;border:5px solid var(--navy);border-radius:26px;background:var(--navy);aspect-ratio:16/9}.video-frame iframe{display:block;width:100%;height:100%;border:0}.quiz-card{margin-top:1.5rem;padding:clamp(1rem,4vw,2rem);border:5px solid var(--navy);border-radius:28px;background:#eafcff}.quiz-head{display:flex;align-items:center;justify-content:space-between;gap:1rem}.quiz-head h2{margin:0;font-size:clamp(1.8rem,5vw,3rem)}.quiz-progress{font-weight:900}.quiz-question{font-size:clamp(1.5rem,4vw,2.4rem);line-height:1.15}.quiz-tools,.quiz-answer-row,.quiz-actions{display:flex;flex-wrap:wrap;gap:.65rem}.quiz-button,.quiz-answer,.sound-button,.primary-link{min-height:54px;padding:.7rem 1rem;border:3px solid var(--navy);border-radius:16px;color:var(--navy);background:var(--yellow);box-shadow:0 4px 0 var(--navy);font:inherit;font-weight:900;cursor:pointer;text-decoration:none}.quiz-answer-row{margin:.75rem 0}.quiz-answer{flex:1 1 220px;background:#fff;font-size:1.08rem}.quiz-answer.correct{background:var(--green)}.quiz-answer.wrong{background:#ffd6dd}.sound-button{min-width:54px;background:var(--blue)}.quiz-feedback{min-height:2rem;font-weight:900}.quiz-monster{display:none;width:min(210px,50vw);margin:1rem auto}.quiz-monster.is-visible{display:block;animation:pop .4s ease both}@keyframes pop{from{transform:scale(.4) rotate(-12deg);opacity:0}to{transform:none;opacity:1}}.activity-launch{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:center;margin:1.5rem 0;padding:1.2rem;border:4px solid var(--navy);border-radius:24px;background:#e9ffe8}.activity-icon{font-size:5rem}.primary-link{display:inline-flex;justify-content:center;background:var(--pink);color:#fff}.related-links{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.5rem}.detail-footer{padding:1.4rem;text-align:center;background:var(--navy);color:#fff}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.3rem}.status-card{padding:1.1rem;border:4px solid var(--navy);border-radius:22px;background:#fff}.status-card h2{margin:.2rem 0}.status{display:inline-block;padding:.25rem .6rem;border-radius:999px;font-weight:900}.status.ready{background:#c9f7d8;color:#126b3a}.status.wait{background:#fff0b7;color:#8a4800}.owner-lock{max-width:620px;margin:0 auto;text-align:center}.owner-lock input{width:120px;min-height:60px;border:4px solid var(--navy);border-radius:16px;text-align:center;font:inherit;font-size:1.4rem;font-weight:900}.owner-dashboard[hidden]{display:none}.checklist{display:grid;gap:.6rem;padding:0;list-style:none}.checklist li{padding:.7rem;border-radius:14px;background:#f5f7ff}@media(max-width:700px){.detail-logo{width:135px}.detail-nav{align-items:center}.admin-grid{grid-template-columns:1fr}.quiz-head{align-items:flex-start;flex-direction:column}.activity-launch{grid-template-columns:1fr;text-align:center}}