/* Página das disciplinas: entrada por áreas, sem métricas repetidas. */
.subject-hub{--subject-accent:var(--accent,#7763bd);max-width:1260px;margin:0 auto}
.subject-hub .subject-hub-crumb{margin:0 0 18px;display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted)}
.subject-hub .subject-hub-crumb button{border:0;background:none;font:inherit;font-size:11px;color:var(--muted);padding:4px 0;cursor:pointer}
.subject-hub .subject-hub-crumb button:hover{text-decoration:underline;color:var(--subject-accent)}
.subject-hub .subject-hub-hero{position:relative;display:flex;align-items:center;gap:23px;min-height:150px;padding:27px 30px;border:1px solid var(--line);border-radius:20px;background:var(--paper);overflow:hidden;margin-bottom:24px}
.subject-hub .subject-hub-hero:after{content:"";position:absolute;right:-62px;top:-100px;width:255px;height:255px;border:35px solid color-mix(in srgb,var(--subject-accent) 6%,transparent);border-radius:50%;pointer-events:none}
.subject-hub .subject-hub-emblem{position:relative;z-index:1;display:grid;place-items:center;flex:0 0 80px;width:80px;height:80px;border-radius:24px;background:linear-gradient(135deg,var(--subject-accent),color-mix(in srgb,var(--subject-accent) 70%,#fff));box-shadow:0 10px 22px color-mix(in srgb,var(--subject-accent) 17%,transparent);color:#fff;font:normal 51px/1 Georgia,serif}
.subject-hub .subject-hub-heading{position:relative;z-index:1;min-width:0;flex:1}
.subject-hub .subject-hub-kicker{display:block;color:var(--muted);font-size:10px;letter-spacing:1.25px;font-weight:800;text-transform:uppercase;margin-bottom:9px}
.subject-hub .subject-hub-heading h1{font-size:clamp(22px,2.4vw,31px);line-height:1.2;font-weight:850;letter-spacing:-.65px;margin:0;color:var(--ink);overflow-wrap:anywhere}
.subject-hub .subject-hub-date{margin:10px 0 0;font-size:12px;color:var(--muted);font-weight:550}
.subject-hub .subject-hub-area-intro{margin:0 0 13px;color:var(--muted);font-size:12px;line-height:1.5}
.subject-hub .subject-hub-menu{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:18px}
.subject-hub .subject-hub-card{display:flex;gap:16px;align-items:center;width:100%;min-width:0;min-height:116px;height:100%;padding:17px 21px;border:1px solid var(--line);border-radius:16px;background:var(--paper);font:inherit;color:var(--ink);text-align:left;cursor:pointer;transition:border-color .17s,transform .17s,box-shadow .17s}
.subject-hub .subject-hub-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--subject-accent) 45%,var(--line));box-shadow:0 10px 26px #1810220d}
.subject-hub .subject-hub-card:focus-visible,.subject-hub .subject-hub-back:focus-visible{outline:3px solid var(--subject-accent);outline-offset:3px}
.subject-hub .subject-hub-card-icon{flex:0 0 57px;height:57px;display:grid;place-items:center;border-radius:17px;background:color-mix(in srgb,var(--subject-accent) 10%,var(--paper));color:var(--subject-accent);font-size:29px;line-height:1}
.subject-hub .subject-hub-card-copy{display:grid;gap:5px;min-width:0;flex:1}
.subject-hub .subject-hub-card-title{font-size:17px;line-height:1.35;letter-spacing:-.2px;font-weight:800;overflow-wrap:anywhere}
.subject-hub .subject-hub-card-desc{font-size:12px;line-height:1.5;color:var(--muted)}
.subject-hub .subject-hub-card-arrow{flex:0 0 36px;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--soft);color:var(--subject-accent);font-size:21px;transition:transform .17s}
.subject-hub .subject-hub-card:hover .subject-hub-card-arrow{transform:translateX(3px)}
.subject-hub .subject-hub-meta{display:flex;gap:18px;align-items:center;border:1px solid color-mix(in srgb,var(--subject-accent) 15%,transparent);border-radius:17px;padding:22px 24px;margin:0 0 19px;background:linear-gradient(120deg,#62519b,#8b70b4);text-decoration:none;color:#fff;box-shadow:0 10px 22px #48386e1c}
.subject-hub .subject-hub-meta:hover{filter:brightness(1.08)}
.subject-hub .subject-hub-meta-icon{flex:0 0 56px;width:56px;height:56px;display:grid;place-items:center;border-radius:16px;background:#ffffff24;border:1px solid #ffffff38;font-size:28px}
.subject-hub .subject-hub-meta-copy{display:grid;gap:6px;min-width:0;flex:1}
.subject-hub .subject-hub-meta-copy small{color:#ece5fc;font-size:10px;font-weight:850;letter-spacing:1px}
.subject-hub .subject-hub-meta-copy strong{font-size:18px;line-height:1.3}
.subject-hub .subject-hub-meta-copy span{font-size:12px;line-height:1.55;color:#f0eafb}
.subject-hub .subject-hub-meta-arrow{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:#fff;color:#5d4a92;font-size:20px;flex:none}
.subject-hub .subject-hub-area{min-width:0}
.subject-hub .subject-hub-back{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);font:inherit;font-size:12px;font-weight:760;padding:10px 14px;cursor:pointer;margin:0 0 19px}
.subject-hub .subject-hub-back:hover{border-color:var(--subject-accent)}
.subject-hub .subject-hub-area > .section:first-of-type{margin-top:0}
.subject-hub .subject-hub-area .sectiontop h2{font-size:20px;letter-spacing:-.35px}
.subject-hub .subject-hub-area .section{padding-top:0}
.subject-hub .subject-hub-area #topics.review-section .review-section-top{margin-bottom:17px}
.subject-hub .subject-hub-area #docs .library-group{margin-top:0}
.subject-hub .subject-hub-area .exam-grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}
.subject-hub .subject-hub-area .examcard{background:var(--paper)}
.subject-hub .subject-hub-area .subject-hub-empty{padding:24px;border-radius:14px;background:var(--paper);border:1px dashed var(--line);color:var(--muted);font-size:13px}
@media(max-width:760px){
 .subject-hub .subject-hub-hero{gap:15px;padding:21px;min-height:0}
 .subject-hub .subject-hub-emblem{flex-basis:64px;width:64px;height:64px;border-radius:19px;font-size:41px}
 .subject-hub .subject-hub-heading h1{font-size:clamp(19px,5vw,25px)}
 .subject-hub .subject-hub-card{gap:14px;padding:14px 15px;min-height:90px}
 .subject-hub .subject-hub-card-icon{flex-basis:49px;height:49px;font-size:24px;border-radius:13px}
 .subject-hub .subject-hub-card-title{font-size:15px}
 .subject-hub .subject-hub-card-desc{font-size:11px}
 .subject-hub .subject-hub-card-arrow{flex-basis:30px;width:30px;height:30px}
 .subject-hub .subject-hub-meta{padding:16px;gap:12px}
 .subject-hub .subject-hub-meta-icon{width:45px;height:45px;flex-basis:45px}
}
@media(max-width:520px){
 .subject-hub .subject-hub-hero{align-items:flex-start;gap:12px;padding:18px}
 .subject-hub .subject-hub-emblem{flex-basis:51px;width:51px;height:51px;font-size:32px;border-radius:15px}
 .subject-hub .subject-hub-date{font-size:11px}
 .subject-hub .subject-hub-meta-copy strong{font-size:15px}
 .subject-hub .subject-hub-meta-arrow{width:31px;height:31px;font-size:17px}
 .subject-hub .subject-hub-area .exam-grid-5{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.subject-hub .subject-hub-card,.subject-hub .subject-hub-card-arrow{transition:none}}


/* Simulados por disciplina: categorias visíveis na mesma tela. */
.subject-hub .subject-sim-groups{display:grid;gap:23px;margin-top:17px}
.subject-hub .subject-sim-group{min-width:0}
.subject-hub .subject-sim-group+.subject-sim-group{padding-top:23px;border-top:1px solid var(--line)}
.subject-hub .subject-sim-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.subject-hub .subject-sim-heading h3{margin:0;font-size:18px;font-weight:850;letter-spacing:-.3px;color:var(--ink)}
.subject-hub .subject-sim-heading p{margin:5px 0 0;font-size:12px;line-height:1.5;color:var(--muted)}
.subject-hub .subject-sim-count{padding:7px 10px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--muted);font-weight:750;font-size:11px;white-space:nowrap}
.subject-hub .subject-sim-ready{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.subject-hub .subject-sim-ready .examcard{min-width:0;background:var(--paper);border-radius:13px}
.subject-hub .subject-sim-created{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.subject-hub .subject-sim-created .ge-card{min-width:0;background:var(--paper)}
.subject-hub .subject-sim-create{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border:1px solid color-mix(in srgb,var(--subject-accent) 40%,var(--line));border-radius:10px;background:var(--paper);color:var(--subject-accent);font:inherit;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}
.subject-hub .subject-sim-create:hover{background:var(--soft)}
.subject-hub .subject-sim-status{padding:18px 20px;border:1px dashed var(--line);border-radius:13px;background:var(--paper);color:var(--muted);font-size:12px;line-height:1.6}
.subject-hub .subject-sim-status button{margin-top:11px}
.subject-hub .subject-sim-view .ge-test-header{margin-top:16px}
.subject-hub .subject-sim-view .ge-question,.subject-hub .subject-sim-view .ge-test-header{max-width:100%}
@media(max-width:680px){.subject-hub .subject-sim-ready,.subject-hub .subject-sim-created{grid-template-columns:1fr}.subject-hub .subject-sim-heading{align-items:flex-start}.subject-hub .subject-sim-create{width:100%}}

/* Em todas as disciplinas, a Trilha de Estudos e Materiais e textos
   ocupam linhas próprias e completas, antes dos cartões em pares. */
.subject-hub .subject-hub-menu > .subject-hub-card.subject-trail-highlight,
.subject-hub .subject-hub-menu > .subject-hub-card.subject-docs-full{
 grid-column:1 / -1;
}

/* Para as demais áreas, o último cartão ímpar pode ocupar a largura completa. */
.subject-hub .subject-hub-menu > .subject-hub-card:last-child:nth-child(odd){grid-column:1 / -1}
@media(max-width:900px){
 .subject-hub .subject-hub-menu{grid-template-columns:minmax(0,1fr)}
 .subject-hub .subject-hub-menu > .subject-hub-card:last-child:nth-child(odd){grid-column:auto}
}
/* Ajuste de espaçamento e hover entre áreas (nov/2026) */
/* A elevação anterior invadia a área de clique da seção vizinha. */
.subject-hub .subject-hub-menu{
 gap:18px;
 padding:3px 2px 7px;
}
.subject-hub .subject-hub-card{
 transform:none;
 position:relative;
 isolation:isolate;
 transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.subject-hub .subject-hub-card:hover{
 transform:none;
 z-index:1;
 border-color:color-mix(in srgb,var(--subject-accent) 50%,var(--line));
 box-shadow:0 6px 20px #18102210;
 background:color-mix(in srgb,var(--subject-accent) 2%,var(--paper));
}
.subject-hub .subject-hub-card:active{transform:none}
.subject-hub .subject-hub-card-arrow{transition:color .18s ease,background-color .18s ease}
.subject-hub .subject-hub-card:hover .subject-hub-card-arrow{
 transform:none;
 background:color-mix(in srgb,var(--subject-accent) 13%,var(--soft));
}
.subject-hub .subject-sim-ready,.subject-hub .subject-sim-created{
 gap:18px;
}
.subject-hub .subject-sim-ready .examcard:hover,
.subject-hub .subject-sim-created .ge-card:hover{
 transform:none;
}
@media(max-width:760px){
 .subject-hub .subject-hub-menu{gap:14px;padding:1px 0 5px}
 .subject-hub .subject-sim-ready,.subject-hub .subject-sim-created{gap:14px}
}
@media(prefers-reduced-motion:reduce){
 .subject-hub .subject-hub-card,
 .subject-hub .subject-hub-card-arrow{transition:none}
}