/* =====================================================================
   Simulados do aluno: lista, montar simulado, responder e resultado
   ===================================================================== */

/* ---------------- Lista ---------------- */
.sm-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.sm-kpi { display: flex; align-items: center; gap: 14px; padding: 16px 18px; }
.sm-kpi > div { display: flex; flex-direction: column; line-height: 1.2; }
.sm-kpi strong { font-size: 1.5rem; font-weight: 800; color: var(--g-text); }
.sm-kpi span:not(.sm-kpi-icone) { font-size: .8rem; color: var(--g-text-2); }
.sm-kpi-icone { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; flex-shrink: 0; }
.sm-kpi-icone.azul { background: var(--g-info-soft); color: var(--g-info); }
.sm-kpi-icone.laranja { background: var(--g-warning-soft); color: var(--g-warning); }
.sm-kpi-icone.verde { background: var(--g-success-soft); color: var(--g-success); }
.sm-kpi-icone.roxo { background: rgba(var(--g-purple-rgb), .14); color: var(--g-purple); }

.sm-filtros { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.sm-filtro {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
    border: 1px solid var(--g-border); background: var(--g-surface); color: var(--g-text-2);
    font: inherit; font-size: .86rem; font-weight: 600; cursor: pointer; transition: all .15s ease;
}
.sm-filtro span { min-width: 22px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--g-surface-3); color: var(--g-text-2); display: grid; place-items: center; font-size: .72rem; }
.sm-filtro:hover { border-color: var(--g-accent); color: var(--g-text); }
.sm-filtro.ativo { background: var(--g-accent-soft); border-color: rgba(var(--g-accent-rgb), .5); color: var(--g-accent); }
.sm-filtro.ativo span { background: var(--g-accent); color: var(--g-on-accent); }

.sm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.sm-card { padding: 18px; display: flex; flex-direction: column; gap: 12px; position: relative; overflow: hidden; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.sm-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--g-border-strong); }
.sm-card.para-fazer::before { background: var(--g-accent); }
.sm-card.andamento::before { background: var(--g-warning); }
.sm-card.concluido::before { background: var(--g-success); }
.sm-card:hover { transform: translateY(-2px); box-shadow: var(--g-shadow); border-color: rgba(var(--g-accent-rgb), .35); }
.sm-card.encerrado, .sm-card.agendado { opacity: .75; }
.sm-card-topo { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sm-selo { padding: 3px 10px; border-radius: 999px; font-size: .72rem; font-weight: 700; background: var(--g-surface-3); color: var(--g-text-2); white-space: nowrap; }
.sm-selo.para-fazer { background: var(--g-accent-soft); color: var(--g-accent); }
.sm-selo.andamento { background: var(--g-warning-soft); color: var(--g-warning); }
.sm-selo.concluido { background: var(--g-success-soft); color: var(--g-success); }
.sm-origem { display: inline-flex; align-items: center; gap: 4px; font-size: .74rem; color: var(--g-text-3); white-space: nowrap; }
.sm-card-nome { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--g-text); line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sm-card-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--g-text-2); }
.sm-card-meta span { display: inline-flex; align-items: center; gap: 5px; }
.sm-aviso { display: flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--g-text-2); padding: 8px 10px; border-radius: 10px; background: var(--g-surface-2); }
.sm-aviso.laranja { background: var(--g-warning-soft); color: var(--g-warning); }
.sm-nota-barra { height: 8px; border-radius: 999px; background: var(--g-surface-3); overflow: hidden; }
.sm-nota-barra span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--g-success), var(--g-accent)); }
.sm-nota-texto { margin-top: 6px; font-size: .8rem; color: var(--g-text-2); }
.sm-nota-texto strong { color: var(--g-text); font-size: .95rem; }
.sm-card-acoes { display: flex; gap: 8px; margin-top: auto; padding-top: 4px; }

.sm-vazio { text-align: center; padding: 48px 24px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.sm-vazio.pequeno { padding: 20px; margin-bottom: 16px; }
.sm-vazio h2 { margin: 6px 0 0; font-size: 1.25rem; color: var(--g-text); }
.sm-vazio p { margin: 0 0 10px; color: var(--g-text-2); max-width: 460px; }
.sm-vazio-icone { width: 72px; height: 72px; border-radius: 20px; display: grid; place-items: center; background: var(--g-accent-soft); color: var(--g-accent); }
.sm-vazio-icone .mud-icon-root { font-size: 36px; }

/* ---------------- Montar simulado (diálogo) ---------------- */
.ms-titulo { display: flex; align-items: center; gap: 12px; }
.ms-titulo > div { display: flex; flex-direction: column; line-height: 1.25; }
.ms-titulo strong { font-size: 1.1rem; color: var(--g-text); }
.ms-titulo small { font-size: .8rem; color: var(--g-text-2); font-weight: 400; }
.ms-titulo-icone { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--g-accent-soft); color: var(--g-accent); flex-shrink: 0; }
.ms-corpo { display: flex; flex-direction: column; gap: 18px; position: relative; }
.ms-secao-titulo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--g-text); margin-bottom: 10px; }
.ms-secao-titulo span { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .75rem; background: var(--g-accent); color: var(--g-on-accent); }
.ms-busca { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ms-link { margin-top: 6px; background: none; border: 0; padding: 4px 0; color: var(--g-accent); font: inherit; font-size: .82rem; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
.ms-link:hover { text-decoration: underline; }
.ms-vazio { margin-top: 10px; display: flex; align-items: center; gap: 10px; padding: 14px; border-radius: 12px; border: 1px dashed var(--g-border-strong); color: var(--g-text-2); font-size: .88rem; }
.ms-vazio .mud-icon-root { color: var(--g-warning); }
.ms-lista { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; padding-right: 2px; }
.ms-item { display: flex; align-items: center; gap: 10px; padding: 8px 6px 8px 12px; border-radius: 12px; border: 1px solid var(--g-border); background: var(--g-surface-2); }
.ms-item-nome { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.ms-item-nome strong { font-size: .88rem; color: var(--g-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ms-item-nome small { font-size: .74rem; color: var(--g-text-3); }
.ms-qtd { display: inline-flex; align-items: center; border: 1px solid var(--g-border-strong); border-radius: 999px; overflow: hidden; flex-shrink: 0; }
.ms-qtd button { width: 30px; height: 30px; border: 0; background: transparent; color: var(--g-text); font-size: 1.05rem; cursor: pointer; }
.ms-qtd button:hover:not(:disabled) { background: var(--g-hover); }
.ms-qtd button:disabled { opacity: .35; cursor: default; }
.ms-qtd span { min-width: 26px; text-align: center; font-weight: 700; font-size: .9rem; color: var(--g-text); }
.ms-atalhos { display: flex; align-items: center; gap: 6px; margin-top: 10px; flex-wrap: wrap; font-size: .8rem; color: var(--g-text-2); }
.ms-pref { margin-bottom: 12px; }
.ms-pref label { display: block; font-size: .8rem; font-weight: 600; color: var(--g-text-2); margin-bottom: 6px; }
.ms-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.ms-chip { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--g-border); background: var(--g-surface); color: var(--g-text-2); font: inherit; font-size: .82rem; font-weight: 600; cursor: pointer; transition: all .15s ease; }
.ms-chip:hover { border-color: var(--g-accent); color: var(--g-text); }
.ms-chip.ativo { background: var(--g-accent); border-color: var(--g-accent); color: var(--g-on-accent); }
.ms-dica { display: flex; align-items: center; gap: 6px; margin: 10px 0 0; font-size: .78rem; color: var(--g-text-3); }
.ms-dica .mud-icon-root { color: var(--g-warning); }
.ms-gerando { position: absolute; inset: 0; z-index: 5; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; background: rgba(var(--g-surface-rgb), .92); border-radius: 12px; text-align: center; }
.ms-gerando strong { color: var(--g-text); }
.ms-gerando span { font-size: .85rem; color: var(--g-text-2); }
.ms-rodape { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.ms-resumo { display: flex; flex-direction: column; line-height: 1.2; }
.ms-resumo strong { color: var(--g-text); }
.ms-resumo span { font-size: .78rem; color: var(--g-text-2); }
.ms-botoes { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.ms-dialog .mud-dialog-content { position: relative; }

/* ---------------- Responder: estados gerais ---------------- */
.rs-carregando, .rs-intro, .rs-resultado { max-width: 980px; margin: 0 auto; }
.rs-voltar { display: inline-flex; align-items: center; gap: 4px; color: var(--g-text-2); text-decoration: none; font-size: .86rem; font-weight: 600; margin-bottom: 12px; }
.rs-voltar:hover { color: var(--g-accent); }
.rs-erro { max-width: 520px; margin: 40px auto; padding: 36px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.rs-erro > .mud-icon-root { font-size: 48px; color: var(--g-danger); }
.rs-erro h2 { margin: 0; color: var(--g-text); }
.rs-erro p { color: var(--g-text-2); margin: 0 0 12px; }

/* ---------------- Apresentação ---------------- */
.rs-intro-card { max-width: 640px; margin: 0 auto; padding: 32px; }
.rs-intro-topo { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.rs-intro-icone { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--g-accent-gradient, var(--g-accent)); color: var(--g-on-accent); flex-shrink: 0; box-shadow: 0 8px 24px rgba(var(--g-accent-rgb), .35); }
.rs-intro-icone .mud-icon-root { font-size: 30px; }
.rs-intro-rotulo { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--g-accent); }
.rs-intro-topo h1, .rs-placar-info h1 { margin: 2px 0 0; font-size: 1.5rem; line-height: 1.25; color: var(--g-text); }
.rs-intro-numeros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.rs-intro-numeros > div { padding: 14px 10px; border-radius: 14px; background: var(--g-surface-2); border: 1px solid var(--g-border); text-align: center; display: flex; flex-direction: column; }
.rs-intro-numeros strong { font-size: 1.35rem; font-weight: 800; color: var(--g-text); }
.rs-intro-numeros span { font-size: .78rem; color: var(--g-text-2); }
.rs-intro-materias { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.rs-intro-materias span { padding: 4px 10px; border-radius: 999px; background: var(--g-accent-soft); color: var(--g-accent); font-size: .78rem; font-weight: 600; }
.rs-regras { list-style: none; padding: 0; margin: 0 0 22px; display: flex; flex-direction: column; gap: 10px; }
.rs-regras li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--g-text-2); line-height: 1.45; }
.rs-regras li .mud-icon-root { color: var(--g-accent); margin-top: 2px; flex-shrink: 0; }
.rs-regras b { color: var(--g-text); }
kbd { display: inline-block; min-width: 20px; padding: 0 5px; border-radius: 5px; border: 1px solid var(--g-border-strong); border-bottom-width: 2px; background: var(--g-surface-2); font: 600 .75rem/1.5 var(--g-font, inherit); text-align: center; color: var(--g-text); }
.rs-comecar.mud-button-root { height: 52px; font-size: 1.02rem; }
.rs-intro-sorte { text-align: center; margin: 12px 0 0; color: var(--g-text-3); font-size: .85rem; }

/* ---------------- Prova ---------------- */
.rs-prova { outline: none; position: relative; min-width: 0; max-width: 100%; }
.rs-barra {
    position: sticky; top: calc(var(--mud-appbar-height, 64px) + 4px); z-index: 6;
    display: flex; align-items: center; gap: 12px; padding: 8px 12px; margin-bottom: 16px;
    border-radius: 16px; border: 1px solid var(--g-border); background: rgba(var(--g-surface-rgb), .92);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--g-shadow-sm);
}
.rs-barra-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.rs-barra-info > strong { font-size: .95rem; color: var(--g-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rs-progresso { display: flex; align-items: center; gap: 10px; }
.rs-progresso-trilho { flex: 1; max-width: 320px; height: 6px; border-radius: 999px; background: var(--g-surface-3); overflow: hidden; }
.rs-progresso-trilho span { display: block; height: 100%; border-radius: inherit; background: var(--g-accent); transition: width .25s ease; }
.rs-progresso small { font-size: .76rem; color: var(--g-text-2); white-space: nowrap; }
.rs-timer { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; font-weight: 800; font-variant-numeric: tabular-nums; font-size: 1rem; background: var(--g-surface-2); border: 1px solid var(--g-border); color: var(--g-text); }
.rs-timer.alerta { background: var(--g-warning-soft); border-color: rgba(var(--g-warning-rgb), .45); color: var(--g-warning); }
.rs-timer.critico { background: var(--g-danger-soft); border-color: rgba(var(--g-danger-rgb), .5); color: var(--g-danger); animation: rs-pulso 1s ease-in-out infinite; }
@keyframes rs-pulso { 50% { transform: scale(1.05); } }

.rs-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 16px; align-items: start; }
.rs-questao { padding: 24px 26px; }
.rs-questao-topo { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.rs-numero { font-weight: 800; font-size: 1.05rem; color: var(--g-text); }
.rs-numero small { font-weight: 500; color: var(--g-text-3); font-size: .85rem; }
.rs-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.rs-tags span { padding: 3px 10px; border-radius: 999px; font-size: .74rem; font-weight: 600; background: var(--g-accent-soft); color: var(--g-accent); }
.rs-tags span.suave { background: var(--g-surface-2); color: var(--g-text-2); }
.rs-texto-botao { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 10px; border: 1px solid var(--g-border); background: var(--g-surface-2); color: var(--g-text-2); font: inherit; font-size: .84rem; font-weight: 600; cursor: pointer; margin-bottom: 12px; }
.rs-texto-botao:hover { border-color: var(--g-accent); color: var(--g-text); }
.rs-texto { padding: 16px; border-radius: 12px; background: var(--g-surface-2); border-left: 3px solid var(--g-accent); margin-bottom: 16px; max-height: 360px; overflow-y: auto; font-size: .92rem; line-height: 1.65; color: var(--g-text); }
.rs-enunciado { font-size: 1rem; line-height: 1.7; color: var(--g-text); margin-bottom: 18px; overflow-wrap: anywhere; }
.rs-enunciado img, .rs-alt-texto img, .rs-texto img { max-width: 100%; height: auto; }
.rs-alternativas { display: flex; flex-direction: column; gap: 10px; }
.rs-alt { display: flex; align-items: stretch; border-radius: 14px; border: 1.5px solid var(--g-border); background: var(--g-surface); transition: border-color .15s ease, background .15s ease, box-shadow .15s ease; }
.rs-alt:hover:not(.revisao) { border-color: rgba(var(--g-accent-rgb), .55); }
.rs-alt-corpo { flex: 1; display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; border: 0; background: transparent; color: var(--g-text); font: inherit; text-align: left; cursor: pointer; min-width: 0; }
.rs-alt.revisao .rs-alt-corpo { cursor: default; }
.rs-letra { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center; font-weight: 800; font-size: .9rem; border: 1.5px solid var(--g-border-strong); color: var(--g-text-2); transition: all .15s ease; }
.rs-alt-texto { flex: 1; padding-top: 5px; line-height: 1.55; font-size: .95rem; overflow-wrap: anywhere; }
.rs-alt-texto p { margin: 0; }
.rs-alt.marcada { border-color: var(--g-accent); background: var(--g-accent-soft); box-shadow: 0 0 0 3px rgba(var(--g-accent-rgb), .12); }
.rs-alt.marcada .rs-letra { background: var(--g-accent); border-color: var(--g-accent); color: var(--g-on-accent); }
.rs-alt.riscada .rs-alt-texto { text-decoration: line-through; opacity: .45; }
.rs-alt.riscada .rs-letra { opacity: .45; }
.rs-riscar { width: 42px; border: 0; border-left: 1px solid var(--g-border); background: transparent; color: var(--g-text-3); cursor: pointer; border-radius: 0 12px 12px 0; display: grid; place-items: center; opacity: 0; transition: opacity .15s ease, color .15s ease; }
.rs-alt:hover .rs-riscar, .rs-alt.riscada .rs-riscar, .rs-riscar:focus-visible { opacity: 1; }
.rs-riscar:hover { color: var(--g-danger); }
@media (hover: none) { .rs-riscar { opacity: .7; } }

.rs-nav { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--g-border); }
.rs-revisar { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--g-border); background: transparent; color: var(--g-text-2); font: inherit; font-size: .84rem; font-weight: 600; cursor: pointer; }
.rs-revisar:hover { border-color: var(--g-warning); color: var(--g-text); }
.rs-revisar.ativo { background: var(--g-warning-soft); border-color: rgba(var(--g-warning-rgb), .5); color: var(--g-warning); }

.rs-mapa { padding: 16px; position: sticky; top: calc(var(--mud-appbar-height, 64px) + 88px); }
.rs-mapa-titulo { font-weight: 700; color: var(--g-text); margin-bottom: 10px; font-size: .9rem; }
.rs-mapa-grade { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; max-height: 50vh; overflow-y: auto; padding: 2px; }
.rs-mapa-item { aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--g-border); background: var(--g-surface-2); color: var(--g-text-2); font: inherit; font-size: .8rem; font-weight: 700; cursor: pointer; position: relative; transition: all .12s ease; }
.rs-mapa-item:hover { border-color: var(--g-accent); color: var(--g-text); }
.rs-mapa-item.feita { background: var(--g-accent); border-color: var(--g-accent); color: var(--g-on-accent); }
.rs-mapa-item.revisar::after { content: ""; position: absolute; top: 3px; right: 3px; width: 7px; height: 7px; border-radius: 50%; background: var(--g-warning); box-shadow: 0 0 0 2px var(--g-surface); }
.rs-mapa-item.atual { outline: 2px solid var(--g-text); outline-offset: 1px; }
.rs-legenda { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; font-size: .74rem; color: var(--g-text-2); }
.rs-legenda span { display: inline-flex; align-items: center; gap: 5px; }
.rs-legenda i { width: 10px; height: 10px; border-radius: 3px; border: 1px solid var(--g-border-strong); background: var(--g-surface-2); }
.rs-legenda i.feita { background: var(--g-accent); border-color: var(--g-accent); }
.rs-legenda i.revisar { background: var(--g-warning); border-color: var(--g-warning); border-radius: 50%; }

.rs-enviando { position: fixed; inset: 0; z-index: 1300; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: rgba(var(--g-bg-rgb), .75); backdrop-filter: blur(4px); }
.rs-enviando strong { color: var(--g-text); font-size: 1.05rem; }

/* ---------------- Resultado ---------------- */
.rs-placar { display: flex; align-items: center; gap: 28px; padding: 28px; margin-bottom: 22px; }
.rs-anel {
    --grau: 0deg; width: 168px; height: 168px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center;
    background: conic-gradient(var(--g-success) var(--grau), var(--g-surface-3) 0);
}
.rs-anel > div { width: 132px; height: 132px; border-radius: 50%; background: var(--g-surface); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.rs-anel strong { font-size: 2.2rem; font-weight: 800; color: var(--g-text); line-height: 1; }
.rs-anel span { font-size: .78rem; color: var(--g-text-2); margin-top: 4px; }
.rs-placar-info { flex: 1; min-width: 0; }
.rs-placar-info > p { margin: 6px 0 14px; color: var(--g-text-2); }
.rs-placar-numeros { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.rs-placar-numeros > div { padding: 10px; border-radius: 12px; background: var(--g-surface-2); border: 1px solid var(--g-border); display: flex; flex-direction: column; text-align: center; }
.rs-placar-numeros strong { font-size: 1.3rem; font-weight: 800; color: var(--g-text); }
.rs-placar-numeros strong small { font-size: .8rem; color: var(--g-text-3); font-weight: 600; }
.rs-placar-numeros span { font-size: .74rem; color: var(--g-text-2); }
.rs-placar-numeros .verde strong { color: var(--g-success); }
.rs-placar-numeros .vermelho strong { color: var(--g-danger); }
.rs-placar-numeros .laranja strong { color: var(--g-accent); }
.rs-placar-tempo { display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; color: var(--g-text-3); }
.rs-placar-acoes { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

.rs-revisao-topo { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.rs-revisao-topo h2 { margin: 0 0 16px; font-size: 1.15rem; color: var(--g-text); }
.rs-rev { margin-bottom: 10px; overflow: hidden; border-left: 4px solid var(--g-border-strong); }
.rs-rev.certa { border-left-color: var(--g-success); }
.rs-rev.errada { border-left-color: var(--g-danger); }
.rs-rev-topo { width: 100%; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 0; background: transparent; color: var(--g-text); font: inherit; text-align: left; cursor: pointer; }
.rs-rev-topo:hover { background: var(--g-hover); }
.rs-rev-status { display: grid; place-items: center; }
.rs-rev.certa .rs-rev-status { color: var(--g-success); }
.rs-rev.errada .rs-rev-status { color: var(--g-danger); }
.rs-rev.branco .rs-rev-status { color: var(--g-text-3); }
.rs-rev-titulo { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.rs-rev-titulo small { color: var(--g-text-3); font-size: .78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rs-rev-resumo { display: flex; gap: 12px; font-size: .8rem; color: var(--g-text-2); white-space: nowrap; }
.rs-rev-corpo { padding: 4px 18px 18px; border-top: 1px solid var(--g-border); padding-top: 16px; }
.rs-rev-texto { margin-bottom: 12px; font-size: .9rem; color: var(--g-text-2); }
.rs-rev-texto summary { cursor: pointer; font-weight: 600; margin-bottom: 8px; }
.rs-alt.correta { border-color: var(--g-success); background: var(--g-success-soft); }
.rs-alt.correta .rs-letra { background: var(--g-success); border-color: var(--g-success); color: #fff; }
.rs-alt.errada { border-color: var(--g-danger); background: var(--g-danger-soft); }
.rs-alt.errada .rs-letra { background: var(--g-danger); border-color: var(--g-danger); color: #fff; }
.rs-alt-selo { align-self: center; padding: 2px 8px; border-radius: 999px; font-size: .7rem; font-weight: 700; white-space: nowrap; }
.rs-alt-selo.verde { background: var(--g-success); color: #fff; }
.rs-alt-selo.vermelho { background: var(--g-danger); color: #fff; }

/* ---------------- Responsivo ---------------- */
@media (max-width: 960px) {
    .rs-layout { grid-template-columns: minmax(0, 1fr); }
    .rs-mapa { position: static; order: -1; padding: 12px; min-width: 0; }
    .rs-mapa-titulo, .rs-legenda { display: none; }
    .rs-mapa-grade { display: flex; overflow-x: auto; max-height: none; padding-bottom: 4px; }
    .rs-mapa-item { min-width: 38px; height: 38px; aspect-ratio: auto; flex-shrink: 0; }
}
@media (max-width: 640px) {
    .ms-busca { grid-template-columns: 1fr; }
    .ms-rodape { flex-direction: column; align-items: stretch; }
    .ms-botoes { justify-content: stretch; }
    .ms-botoes .mud-button-root { flex: 1; }
    .rs-barra { flex-wrap: wrap; gap: 8px; top: calc(var(--mud-appbar-height, 56px) + 2px); }
    .rs-barra-info { order: 3; flex-basis: 100%; }
    .rs-barra-finalizar.mud-button-root { margin-left: auto; }
    .rs-questao { padding: 16px; }
    .rs-nav { flex-wrap: wrap; }
    .rs-nav .rs-revisar { order: 3; width: 100%; justify-content: center; }
    .rs-intro-card { padding: 22px; }
    .rs-intro-numeros strong { font-size: 1.1rem; }
    .rs-placar { flex-direction: column; text-align: center; padding: 22px; }
    .rs-placar-numeros { grid-template-columns: repeat(2, 1fr); }
    .rs-placar-acoes { justify-content: center; }
    .rs-rev-resumo { display: none; }
}

/* Tooltip do botão "eliminar" ocupa a altura toda da alternativa (ícone centralizado) */
.rs-alt > .mud-tooltip-root { display: flex; align-self: stretch; }
.rs-alt > .mud-tooltip-root .rs-riscar { height: 100%; }