/* Raio-X do Banco de Questões (raiox.js) — usado no banco, na página de estatísticas e no Admin */
.rx{--rx-bg:#0c1322;--rx-card:#111a2d;--rx-line:#22314f;--rx-fg:#e7edf8;--rx-mut:#93a3c2;--rx-dim:#5f6f8f;--rx-trilho:#1d2a44;
  --rx-me:#36e2d0;--rx-turma:#8c9bff;--rx-bom:#3ddc84;--rx-medio:#ffc857;--rx-ruim:#ff5d73;
  color:var(--rx-fg);font-family:"IBM Plex Sans",ui-sans-serif,system-ui,sans-serif;font-size:15px;line-height:1.5}
.rx h3{font-family:"Chakra Petch",ui-sans-serif,system-ui,sans-serif;font-weight:700;font-size:18px;margin:0 0 12px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.rx h3 small,.rx h4 small{font:400 12px "IBM Plex Sans",sans-serif;color:var(--rx-mut)}
.rx h4{font:600 14px "Chakra Petch",sans-serif;letter-spacing:.02em;margin:0 0 8px;display:flex;flex-wrap:wrap;gap:6px;align-items:baseline}
.rx-dim{color:var(--rx-dim)}
.rx-eye{font:500 11px "JetBrains Mono",monospace;letter-spacing:.22em;text-transform:uppercase;color:var(--rx-me)}
.rx-btn{display:inline-flex;align-items:center;gap:6px;font:600 14px "Chakra Petch",sans-serif;letter-spacing:.04em;padding:10px 16px;border-radius:12px;
  background:linear-gradient(90deg,var(--rx-me),var(--rx-turma));color:#05121a;text-decoration:none;border:0;cursor:pointer;white-space:nowrap}
.rx-btn.sm{padding:8px 12px;font-size:13px}
/* resumo */
.rx-res{background:linear-gradient(180deg,var(--rx-card),var(--rx-bg));border:1px solid var(--rx-line);border-radius:18px;padding:18px clamp(14px,3vw,22px);display:flex;flex-direction:column;gap:14px}
.rx-res-h{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.rx-res-h h3{margin:2px 0 0}
.rx-res-top,.rx-hero{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.rx-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;flex:1;min-width:220px}
.rx-kpi{background:var(--rx-trilho);border:1px solid var(--rx-line);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column}
.rx-kpi b{font:700 22px "JetBrains Mono",monospace;font-variant-numeric:tabular-nums}
.rx-kpi span{font-size:12px;color:var(--rx-mut);letter-spacing:.06em;text-transform:uppercase}
.rx-kpi small{font-size:12px;color:var(--rx-dim)}
.rx-donut{flex:none}
.rx-donut-v{font:700 22px "JetBrains Mono",monospace;fill:var(--rx-fg)}
.rx-donut-r{font:500 10px "IBM Plex Sans",sans-serif;fill:var(--rx-mut);letter-spacing:.08em;text-transform:uppercase}
.rx-duo{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.rx-blk{display:flex;flex-direction:column;gap:2px}
.rx-note{margin:0;font-size:14px;color:var(--rx-mut)}
/* barra você × turma */
.rx-row{padding:6px 0}
.rx-row-t{display:flex;justify-content:space-between;gap:10px;font-size:14px}
.rx-row-n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.rx-row-v{flex:none}.rx-row-v b{font-family:"JetBrains Mono",monospace}.rx-row-v small{color:var(--rx-turma);font-size:12px}
.rx-track{position:relative;height:9px;border-radius:99px;background:var(--rx-trilho);margin-top:5px}
.rx-track i{position:absolute;left:0;top:0;bottom:0;border-radius:99px}
.rx-track u{position:absolute;top:-4px;width:3px;height:17px;margin-left:-1.5px;border-radius:2px;background:var(--rx-turma);box-shadow:0 0 0 2px var(--rx-bg)}
.rx-row-s{font-size:12px;color:var(--rx-dim);margin-top:3px}
/* completo */
.rx-full{display:flex;flex-direction:column;gap:16px}
.rx-card{background:linear-gradient(180deg,var(--rx-card),var(--rx-bg));border:1px solid var(--rx-line);border-radius:18px;padding:18px clamp(14px,3vw,24px);min-width:0}
.rx-chips{display:flex;flex-wrap:wrap;gap:8px}
.rx-chips button{font:500 14px "IBM Plex Sans",sans-serif;color:var(--rx-mut);background:var(--rx-card);border:1px solid var(--rx-line);border-radius:99px;padding:6px 14px;cursor:pointer}
.rx-chips button[aria-pressed="true"]{color:#05121a;background:var(--rx-me);border-color:var(--rx-me);font-weight:600}
.rx-chart{width:100%;height:auto;display:block}
.rx-quad{max-width:520px;margin:0 auto}
.rx-ax{font:500 10px "JetBrains Mono",monospace;fill:var(--rx-dim)}
.rx-qz{font:600 11px "IBM Plex Sans",sans-serif}
.rx-leg{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--rx-mut);margin-top:6px}
.rx-leg i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.rx-qs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.rx-qs li{display:flex;align-items:center;gap:12px;background:var(--rx-trilho);border:1px solid var(--rx-line);border-radius:12px;padding:10px 12px}
.rx-qp{flex:none;font:700 18px "JetBrains Mono",monospace;width:52px;text-align:right}
.rx-qt{flex:1;min-width:0;display:flex;flex-direction:column}.rx-qt small{color:var(--rx-dim);font-size:12px}
.rx-qa{flex:none;font-size:12px;color:var(--rx-mut)}
.rx-heat{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.rx-cell{border-radius:12px;padding:10px;background:color-mix(in srgb,var(--c) 16%,var(--rx-trilho));border:1px solid color-mix(in srgb,var(--c) 45%,transparent);display:flex;flex-direction:column;gap:2px;min-width:0}
.rx-cell b{font:700 18px "JetBrains Mono",monospace;color:var(--c)}
.rx-cell span{font-size:13px;line-height:1.3;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rx-cell small{font-size:11px;color:var(--rx-dim)}
/* trava */
.rx-lock{background:linear-gradient(180deg,var(--rx-card),var(--rx-bg));border:1px dashed var(--rx-line);border-radius:18px;padding:22px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.rx-lock-ic{font-size:30px}
.rx-lock p{margin:0;max-width:520px}
@media (max-width:560px){.rx-kpi b{font-size:19px}.rx-qa{display:none}}
/* você × turma: bolinha clicável + caixa de detalhe + 4 zonas com os subassuntos */
.rx-quad circle{cursor:pointer;transition:r .15s}
.rx-quad circle.sel{stroke:#fff;stroke-width:3;fill-opacity:1}
.rx-qinfo{margin:10px 0 12px;padding:10px 12px;border-radius:12px;background:var(--rx-trilho);border:1px solid var(--rx-line);color:var(--rx-mut);font-size:14px;display:flex;flex-direction:column;gap:2px}
.rx-qinfo.on{border-color:var(--rx-me);color:var(--rx-fg)}
.rx-qinfo b{font-size:15px}.rx-qinfo small{color:var(--rx-dim);font-size:12px}.rx-qinfo em{font-style:normal;font-weight:600;font-size:13px}
.rx-zonas{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px}
.rx-zona{border:1px solid color-mix(in srgb,var(--z) 45%,transparent);border-radius:12px;background:color-mix(in srgb,var(--z) 8%,var(--rx-bg))}
.rx-zona summary{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:10px 12px;cursor:pointer;list-style:none;font-size:14px}
.rx-zona summary::-webkit-details-marker{display:none}
.rx-zona summary b{color:var(--z)}.rx-zona summary span{font:700 13px "JetBrains Mono",monospace;color:var(--rx-mut)}
.rx-zona ul{list-style:none;margin:0;padding:0 10px 10px;display:flex;flex-direction:column;gap:4px}
.rx-zona li{display:flex;flex-direction:column}
.rx-zona li button{background:none;border:0;padding:0;color:var(--rx-fg);font:inherit;font-size:14px;text-align:left;cursor:pointer;text-decoration:underline dotted var(--rx-dim)}
.rx-zona li small{font-size:12px;color:var(--rx-dim)}
.rx-zona p{margin:0;padding:0 12px 10px;font-size:13px}
/* mapa dos subassuntos em caixas (disciplina → assunto) */
.rx-cx{border:1px solid var(--rx-line);border-radius:12px;background:var(--rx-trilho);margin-bottom:8px}
.rx-cx summary{display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer;list-style:none}
.rx-cx summary::-webkit-details-marker{display:none}
.rx-cx summary::before{content:"▸";color:var(--rx-dim);transition:transform .15s}
.rx-cx[open]>summary::before{transform:rotate(90deg)}
.rx-cx-n{flex:1;min-width:0;font-weight:600;font-size:14px}
.rx-cx-v{font:700 15px "JetBrains Mono",monospace}
.rx-cx summary small{font-size:12px;color:var(--rx-dim);white-space:nowrap}
.rx-cx>.rx-heat,.rx-cx-in{padding:4px 10px 10px}
.rx-cx-d{background:var(--rx-card)}
/* quadradinho do banco */
.rx-mini{display:flex;flex-direction:column;gap:8px;height:100%;box-sizing:border-box;padding:12px;border-radius:16px;border:1px solid var(--rx-line);background:linear-gradient(180deg,var(--rx-card),var(--rx-bg));text-decoration:none}
.rx-mini-h{display:flex;justify-content:space-between;align-items:baseline;gap:6px}
.rx-mini-h span{font:700 15px "Chakra Petch",sans-serif;color:var(--rx-fg)}.rx-mini-h em{font-style:normal;font-size:12px;color:var(--rx-me);white-space:nowrap}
.rx-mini-c{display:flex;align-items:center;gap:10px}
.rx-mini-c .rx-donut-v{font-size:16px}
.rx-mini-c b{display:block;font:700 17px "JetBrains Mono",monospace;color:var(--rx-fg)}.rx-mini-c small{font-size:12px;color:var(--rx-mut)}
.rx-mini-f{font-size:12px;color:var(--rx-medio)}
.rx-mini p{margin:0;font-size:13px;color:var(--rx-mut)}
@media (max-width:420px){.rx-mini-c{flex-direction:column;align-items:flex-start;gap:4px}.rx-mini-c .rx-donut{width:60px;height:60px}}
/* faixa do raio-X no banco (embaixo do ranking) */
.rx-faixa{flex-direction:row;align-items:center;gap:12px;height:auto;padding:10px 12px}
.rx-faixa .rx-donut{flex:none}.rx-faixa .rx-donut-v{font-size:14px}
.rx-fx-t{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px;font-size:13px;color:var(--rx-mut)}
.rx-fx-h{font:700 15px "Chakra Petch",sans-serif;color:var(--rx-fg)}
.rx-fx-t b.up{color:var(--rx-bom)}.rx-fx-t b.dn{color:var(--rx-ruim)}
.rx-fx-foco{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--rx-fg)}
.rx-fx-ver{flex:none;align-self:flex-start;font-style:normal;font-size:12px;color:var(--rx-me);white-space:nowrap}
/* evolução */
.rx-evo{min-height:120px}
.rx-evo .rx-chart{width:100%;height:auto}
.rx-evo-r{margin:0 0 8px;font-size:13.5px;color:var(--rx-mut)}.rx-evo-r b{color:var(--rx-fg)}
.rx-foco{border-color:color-mix(in srgb,var(--rx-ruim) 45%,var(--rx-line))}