#tab-wrongworld{color:#edf1ff}.ww-hero{background:linear-gradient(115deg,#ff8104,#ff617b);padding:24px;border-radius:22px;box-shadow:0 14px 40px #ff81042c}.ww-hero h2{font-size:26px;font-weight:900;color:white}.ww-sub{color:#ffe8dc;font-size:13px}.ww-card{background:#101a2e;border:1px solid #334155;border-radius:17px;padding:18px}.ww-section{display:grid;gap:13px}.ww-cta{background:linear-gradient(115deg,#ff8104,#ff617b);border-radius:11px;padding:10px 14px;font-weight:800;color:white}.ww-muted{font-size:12px;color:#9eb0c9}.ww-session,.ww-image{background:#172338;border:1px solid #384359;border-radius:13px;padding:14px}.ww-session{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.ww-session strong{color:#fff}.ww-count{color:#ffbd86;font-size:13px}.ww-input{background:#0d1628;border:1px solid #475569;border-radius:10px;padding:12px;width:100%;color:white}.ww-img{max-height:240px;width:100%;object-fit:contain;background:#0b1323;border-radius:10px}.ww-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:13px}.ww-tag{color:#ffb675;font-size:12px}.ww-error{color:#fda4af}.ww-success{color:#86efac}.ww-preview{max-height:320px;max-width:100%;object-fit:contain;border-radius:12px;background:#0a1020}.ww-filter{display:flex;gap:10px;flex-wrap:wrap}.ww-filter>*{flex:1 1 200px}.ww-hide{display:none!important}

/* Expanded study groups: thumbnail per wrong question. */
.ww-study{background:#172338;border:1px solid #384359;border-radius:14px;padding:14px;min-width:0}
.ww-study-open{border-color:#ff8104;box-shadow:0 0 0 1px #ff810429}
.ww-study-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.ww-study-meta{flex:1;min-width:220px}.ww-study-meta strong{color:#fff}
.ww-study-content{border-top:1px solid #3a455d;margin-top:14px;padding-top:12px;display:grid;gap:10px}
.ww-wrong-row{display:flex;align-items:center;gap:14px;background:#111d30;border:1px solid #334155;border-radius:12px;padding:10px;min-width:0}
.ww-thumb-box{width:90px;height:78px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#0a1323;border-radius:8px;overflow:hidden}
.ww-thumb{width:100%;height:100%;object-fit:contain}.ww-thumb-status{font-size:10px;color:#91a4c1;text-align:center;padding:6px}
.ww-wrong-title{display:flex;flex:1;min-width:0;flex-direction:column;gap:2px}
#ww-detail{background:#101a2e;margin-top:8px}#ww-selected-list:empty{display:none}
.ww-preview{max-height:75vh;max-width:min(100%,900px);width:auto;height:auto;object-fit:contain}
#ww-image-status:not(:empty){color:#ffc59f}
@media(max-width:600px){.ww-wrong-row{flex-wrap:wrap}.ww-thumb-box{width:72px;height:72px}.ww-wrong-row>.ww-cta{width:100%}}