/* guru-quest.css — biblioteca de capítulos e a folha de questões interativa (visual de prova). */
.rg-book{margin-bottom:18px;}
.rg-book-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.rg-chap{display:flex;align-items:center;gap:14px;padding:11px 4px;border-top:1px solid var(--border);}
.rg-chap-num{width:44px;height:34px;border-radius:9px;background:var(--cinza-100);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12.5px;color:var(--lime);flex-shrink:0;}
.rg-chap-main{flex:1;min-width:0;}
.rg-chap-title{font-weight:600;font-size:13.5px;}
.rg-chap-prog{display:flex;align-items:center;gap:10px;margin-top:5px;font-size:11.5px;color:var(--text-muted);}
.rg-chap-prog .progress{max-width:260px;}
.rg-chap-actions{display:flex;gap:6px;flex-shrink:0;}
.rg-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.rg-top-actions{display:flex;gap:8px;flex-wrap:wrap;}
.rg-score{margin-bottom:14px;padding:12px 18px;}
.rg-score-row{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.rg-stat{display:flex;flex-direction:column;line-height:1.15;}
.rg-stat b{font-size:22px;}
.rg-stat span{font-size:11.5px;color:var(--text-muted);}
.rg-stat.ok b{color:var(--success);} .rg-stat.no b{color:var(--danger);}
/* a folha */
.rg-sheet{background:#fff;color:#111;font-family:'Times New Roman',Times,serif;border-radius:10px;padding:14px 22px 22px;box-shadow:var(--shadow-md);}
.rg-sheet-head{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:12px;text-align:right;border-bottom:2px solid #888;padding-bottom:3px;margin-bottom:6px;}
.rg-band{height:26px;background:linear-gradient(100deg,#bbb 0 8%,#2b2b2b 8% 92%,#bbb 92%);text-align:center;}
.rg-band span{font-family:Arial,sans-serif;font-weight:700;font-size:14px;color:#fff;line-height:26px;}
.rg-sheet-sub{font-family:Arial,sans-serif;font-size:11px;text-align:center;color:#333;margin:6px 0 12px;padding-bottom:6px;border-bottom:3px double #999;}
.rg-cols{column-count:2;column-gap:34px;column-rule:1px solid #444;}
@media(max-width:900px){.rg-cols{column-count:1;}.rg-sheet{padding:12px;}}
.rg-grupo{border-bottom:4px double #999;padding:4px 0 10px;margin-bottom:8px;}
.rg-stem{margin:0 0 6px;text-align:justify;font-size:15px;line-height:1.35;}
.rg-tx{display:block;font-family:Arial,sans-serif;font-size:12px;}
.rg-item{break-inside:avoid;border:2px solid transparent;border-radius:8px;padding:6px 8px 8px;margin:0 -8px 6px;transition:background .2s,border-color .2s;}
.rg-q{display:flex;gap:8px;}
.rg-n{font-family:Arial,sans-serif;font-size:12px;min-width:24px;padding-top:3px;}
.rg-q p{margin:0;flex:1;text-align:justify;font-size:15px;line-height:1.35;}
.rg-ctl{display:flex;align-items:center;gap:10px;margin:7px 0 0 32px;flex-wrap:wrap;}
.rg-ans{display:flex;gap:6px;}
.rg-btn{width:38px;height:30px;border-radius:7px;border:2px solid #555;background:#fff;color:#111;font:700 14px Arial,sans-serif;cursor:pointer;}
.rg-btn:hover:not(:disabled){background:#eee;}
.rg-btn:disabled{cursor:default;opacity:.55;}
.rg-btn.sel{opacity:1;color:#fff;background:#333;border-color:#333;}
.rg-link{border:none;background:none;color:#2a5db0;font:600 12px Arial,sans-serif;cursor:pointer;text-decoration:underline;padding:2px;}
.rg-item.ok{background:#d6f4de;border-color:#2e9e4f;}
.rg-item.ok .rg-btn.sel{background:#2e9e4f;border-color:#2e9e4f;}
.rg-item.no{background:#fbd9dc;border-color:#d33a49;}
.rg-item.no .rg-btn.sel{background:#d33a49;border-color:#d33a49;}
.rg-item.seen{background:#e6edfb;border-color:#6f8fd8;}
.rg-resp{margin:8px 0 0 32px;font-family:Arial,sans-serif;font-size:13px;line-height:1.45;}
.rg-gab{display:inline-block;font-weight:700;font-size:12px;padding:3px 10px;border-radius:12px;margin-bottom:6px;}
.rg-gab.c{background:#2e9e4f;color:#fff;} .rg-gab.e{background:#d33a49;color:#fff;}
.rg-fonte{display:block;font-size:10.5px;color:#666;margin-bottom:3px;}
.rg-com{background:rgba(255,255,255,.7);border-radius:6px;padding:8px 10px;text-align:justify;}
/* modo "PDF original": cada questão é um recorte da página do PDF */
.rg-crops{display:block;}
.rg-crops canvas{display:block;width:100%;height:auto;}
.rg-q-img{display:block;}
.rg-stem.rg-crops{margin:0 0 6px;}
.rg-cols.rg-cols-1{column-count:1;column-rule:none;max-width:900px;margin:0 auto;}