.rooms-page main{padding-top:14px}
.rooms-hero{padding-top:30px}
.rooms-truth{max-width:760px!important;margin-top:12px!important;padding:10px 14px;border:1px solid rgba(255,255,255,.22);border-radius:12px;background:rgba(0,0,0,.16);font-size:.92rem!important}
.rooms-summary{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.rooms-stat{min-width:116px;padding:10px 14px;border:1px solid var(--bd);border-radius:12px;background:var(--card)}
.rooms-stat strong,.rooms-stat small{display:block}
.rooms-stat small{color:var(--mut)}
.rooms-banner,.room-notice{padding:12px 14px;border:1px solid var(--ac);border-radius:12px;background:color-mix(in srgb,var(--ac) 10%,var(--card));color:var(--fg)}
.rooms-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;padding:16px;border:1px solid var(--bd);border-radius:16px;background:var(--card)}
.rooms-controls label{display:grid;gap:5px;flex:1 1 180px;color:var(--mut);font-weight:650}
.rooms-controls input,.rooms-controls select,.room-answer,.rooms-settings input[type=file]{width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--bd);border-radius:10px;background:var(--bg);color:var(--fg);font:inherit}
.rooms-controls select option{background:var(--bg);color:var(--fg)}
.room-primary,.room-secondary,.rooms-tools button,.room-task button,.exam-nav button,.exam-submit,.room-danger{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 15px;border:1px solid var(--ac);border-radius:10px;background:var(--ac);color:#172113;font:inherit;font-weight:750;text-decoration:none;cursor:pointer}
.room-secondary{background:transparent;color:var(--fg)}
.room-danger{border-color:var(--danger);background:transparent;color:var(--danger)}
.room-primary:focus-visible,.room-secondary:focus-visible,.rooms-tools button:focus-visible,.room-task button:focus-visible,.exam-nav button:focus-visible,.exam-submit:focus-visible{outline:3px solid var(--fg);outline-offset:2px}
.rooms-roadmaps{display:grid;grid-template-columns:1fr;gap:24px}
.rooms-path{padding:18px;border:1px solid var(--bd);border-radius:18px;background:color-mix(in srgb,var(--card) 82%,transparent)}
.rooms-path h2{margin:0 0 14px}
.room-cards{display:grid;gap:11px}
.room-card{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--bd);border-radius:14px;background:var(--bg-strong)}
.room-card.is-locked{filter:grayscale(.75);opacity:.58}
.room-icon{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--bd);border-radius:13px;background:var(--card);font-size:1.6rem}
.room-card h3{margin:0;font-size:1.02rem}
.room-card p{margin:3px 0;color:var(--mut);font-size:.9rem}
.room-card-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--mut);font-size:.82rem}
.room-status{display:inline-flex;align-items:center;gap:5px;color:var(--ac);font-weight:750}
.room-card.is-locked .room-status{color:var(--mut)}
.room-progress-ring{--progress:0deg;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:conic-gradient(var(--ac) var(--progress),var(--bd) 0);position:relative}
.room-progress-ring:before{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--bg-strong)}
.room-progress-ring span{position:relative;font-size:.7rem;font-weight:750}
.room-card-action{display:flex;align-items:center;gap:8px}
.room-card-action a,.room-card-action button{min-height:44px;padding:8px 12px;border:1px solid var(--ac);border-radius:9px;background:transparent;color:var(--fg);font:inherit;font-weight:700;text-decoration:none}
.room-card-action .room-preview-link{border-color:var(--bd);background:var(--card);color:var(--fg)}
.room-task-preview{border-style:dashed}
.room-question-preview{background:color-mix(in srgb,var(--bg) 74%,var(--card))}
.room-card-action .room-locked-button{border-color:var(--bd);color:var(--mut);cursor:not-allowed}
.rooms-settings,.rooms-tools,.room-panel,.room-task,.room-exam,.room-result,.room-locked-page{margin-top:18px;padding:18px;border:1px solid var(--bd);border-radius:16px;background:var(--card)}
.rooms-settings h2,.room-panel h2,.room-exam h2{margin-top:0}
.rooms-settings p,.room-muted{color:var(--mut)}
.rooms-check{display:flex;gap:10px;align-items:center;font-weight:750}
.rooms-check input{width:22px;height:22px;accent-color:var(--ac)}
.rooms-tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.rooms-tools button{background:transparent;color:var(--fg)}
.room-import{display:grid;gap:5px;flex:1 1 260px;color:var(--mut);font-weight:650}
.room-import input{width:100%;min-height:44px}
.room-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.room-title-row h1{margin:0}
.room-badges{display:flex;gap:6px;flex-wrap:wrap}
.room-pill{padding:4px 9px;border:1px solid var(--bd);border-radius:999px;background:var(--bg);color:var(--mut);font-size:.82rem;font-weight:700}
.room-progress{height:12px;margin:14px 0;background:var(--bd);border-radius:999px;overflow:hidden}
.room-progress span{display:block;height:100%;width:0;background:var(--ac);transition:width .2s}
.room-objectives{margin:0;padding-left:22px;color:var(--mut)}
.room-task-list{display:grid;gap:12px;margin-top:16px}
.room-task h3{margin:0 0 8px}
.room-task[aria-disabled=true]{opacity:.55}
.room-task p{margin:8px 0}
.room-task-learn{color:var(--fg)}
.room-example{padding:12px;border-left:3px solid var(--ac);border-radius:0 10px 10px 0;background:var(--bg);color:var(--fg)}
.room-question{margin-top:12px;padding-top:12px;border-top:1px solid var(--bd)}
.room-question label{display:block;margin:8px 0;font-weight:650}
.room-question .wolfram-question-link,.room-review-item .wolfram-question-link{color:#60a5fa!important}
.room-answer{display:block}
.room-feedback{min-height:1.5em;margin:6px 0;color:var(--mut)}
.room-feedback.is-correct{color:var(--ok)}
.room-feedback.is-wrong{color:var(--danger)}
.room-hint,.room-explanation{margin:8px 0;padding:10px;border-radius:10px;background:var(--bg);color:var(--mut)}
.room-explanation ol,.room-review ol{padding-left:24px}
.room-exam[hidden],.room-view[hidden]{display:none}
.exam-meter{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--mut)}
.exam-track{height:10px;margin:10px 0;background:var(--bd);border-radius:999px;overflow:hidden}
.exam-track span{display:block;width:0;height:100%;background:var(--ac)}
.exam-question{padding:15px;border:1px solid var(--bd);border-radius:12px;background:var(--bg)}
.exam-question h3{margin:0 0 10px}
.exam-nav{display:flex;justify-content:space-between;gap:8px;margin-top:12px}
.exam-nav button:disabled{opacity:.5;cursor:not-allowed}
.exam-submit{margin-top:12px}
.exam-timer{font-variant-numeric:tabular-nums;font-weight:800;color:var(--fg)}
.room-result h2{margin-top:0}
.room-result-score{font-size:1.35rem;font-weight:850}
.room-review{display:grid;gap:10px;margin-top:16px}
.room-review-item{padding:13px;border:1px solid var(--bd);border-radius:12px;background:var(--bg)}
.room-review-item h3{margin:0 0 8px;font-size:1rem}
.room-review-item p{margin:4px 0}
.room-links{display:flex;gap:9px;flex-wrap:wrap}
.room-links a{padding:9px 12px;border:1px solid var(--bd);border-radius:10px;color:var(--ac);text-decoration:none}
.room-links a:hover{border-color:var(--ac)}
.room-empty{padding:16px;border:1px dashed var(--bd);border-radius:12px;color:var(--mut)}
.room-streak{font-weight:750;color:var(--ac)}
@media(max-width:620px){
  .rooms-controls{align-items:stretch}
  .rooms-controls label,.rooms-controls input,.rooms-controls select,.rooms-controls .room-primary{width:100%}
  .room-card{grid-template-columns:42px minmax(0,1fr) auto;gap:8px;padding:10px}
  .room-icon{width:40px;height:40px}
  .room-card-action{grid-column:2/-1;justify-content:flex-start}
  .room-card-action a,.room-card-action button{flex:1}
  .rooms-path{padding:12px}
  .rooms-tools>*{width:100%}
  .room-sidebar{display:grid;grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.room-progress span,.exam-track span{transition:none}}