:root {
  color-scheme: light dark;
  /* Base */
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --fg: #0f172a;
  --fg-soft: #475569;
  --fg-muted: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.10);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Cores de acento */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-fg: #ffffff;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --info: #0ea5e9;
  --info-bg: #f0f9ff;
  --highlight: #eff6ff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-tema="light"]) {
    --bg: #0b0f19;
    --surface: #111827;
    --surface-2: #1f2937;
    --fg: #f8fafc;
    --fg-soft: #94a3b8;
    --fg-muted: #64748b;
    --border: #1f2937;
    --border-strong: #374151;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.30), 0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-fg: #ffffff;
    --success: #34d399;
    --success-bg: #064e3b;
    --danger: #f87171;
    --danger-bg: #450a0a;
    --warning: #fbbf24;
    --warning-bg: #451a03;
    --info: #38bdf8;
    --info-bg: #0c4a6e;
    --highlight: #1e293b;
  }
}

:root[data-tema="dark"] {
  --bg: #0b0f19;
  --surface: #111827;
  --surface-2: #1f2937;
  --fg: #f8fafc;
  --fg-soft: #94a3b8;
  --fg-muted: #64748b;
  --border: #1f2937;
  --border-strong: #374151;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.30), 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-fg: #ffffff;
  --success: #34d399;
  --success-bg: #064e3b;
  --danger: #f87171;
  --danger-bg: #450a0a;
  --warning: #fbbf24;
  --warning-bg: #451a03;
  --info: #38bdf8;
  --info-bg: #0c4a6e;
  --highlight: #1e293b;
}

:root[data-tema="light"] {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --fg: #0f172a;
  --fg-soft: #475569;
  --fg-muted: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.10);
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-fg: #ffffff;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --info: #0ea5e9;
  --info-bg: #f0f9ff;
  --highlight: #eff6ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.65 var(--font);
  min-height: 100vh;
}
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .6rem; }
p { margin: .5rem 0; }

/* ---------- topo ---------- */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.topo {
  max-width: 1400px;
  margin: 0 auto;
  padding: .6rem 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .75rem;
}

.marca {
  display: flex;
  align-items: center;
  gap: .65rem;
  min-width: 0;
  max-width: 260px;
}

.marca-icone {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  background: linear-gradient(135deg, var(--primary), #6366f1);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
  flex: 0 0 auto;
}

.marca-texto {
  min-width: 0;
}

.marca-nome {
  font-weight: 700;
  font-size: .95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.marca-meta {
  display: block;
  font-size: .72rem;
  color: var(--fg-soft);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.botao-hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--surface-2);
  color: var(--fg);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

nav#abas {
  display: flex;
  gap: .25rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

nav#abas button {
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg-soft);
  padding: .4rem .75rem;
  border-radius: var(--radius-xs);
  font-size: .82rem;
  font-weight: 500;
  transition: all .15s ease;
  white-space: nowrap;
}

nav#abas button:hover {
  background: var(--surface-2);
  color: var(--fg);
}

nav#abas button[aria-current="true"] {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.botoes-topo {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.botao-tema {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--fg);
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  transition: transform .15s ease;
}

.botao-tema:hover { transform: scale(1.05); }

.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 90;
}

body.menu-aberto .menu-overlay { display: block; }
body.menu-aberto nav#abas {
  transform: translateX(0);
}

@media (max-width: 900px) {
  .topo { grid-template-columns: 1fr auto auto; }
  .botao-hamburger { display: flex; }
  nav#abas {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 80vw);
    background: var(--surface);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 5rem 1rem 1rem;
    gap: .35rem;
    transform: translateX(100%);
    transition: transform .25s ease;
    box-shadow: var(--shadow-lg);
    z-index: 95;
  }
  nav#abas button {
    text-align: left;
    padding: .75rem 1rem;
    font-size: .95rem;
  }
  nav#abas button[aria-current="true"] {
    box-shadow: none;
  }
  .botoes-topo { margin-left: 0; }
  .marca { max-width: none; }
}

@media (max-width: 480px) {
  .topo { padding: .5rem .75rem; gap: .5rem; }
  .marca-icone { width: 30px; height: 30px; font-size: 1rem; }
  .marca-nome { font-size: .85rem; }
  .marca-meta { font-size: .65rem; }
  .botao-hamburger { width: 36px; height: 36px; font-size: 1.1rem; }
  .botao-tema { width: 34px; height: 34px; font-size: .95rem; }
}

/* ---------- layout ---------- */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem;
}

.palco {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.palco.com-capitulo {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

@media (max-width: 1100px) {
  .palco.com-capitulo { grid-template-columns: 1fr; }
}

/* ---------- cartões ---------- */
.cartao {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.cartao + .cartao { margin-top: 1rem; }

.cartao.entrada {
  max-width: 420px;
  margin: 10vh auto;
  text-align: center;
}

.cartao.entrada h1 {
  font-size: 1.4rem;
  margin-bottom: .25rem;
}

.cartao.entrada > p {
  color: var(--fg-soft);
  font-size: .9rem;
  margin-bottom: 1.25rem;
}

/* ---------- formulários ---------- */
.campo-largo {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  margin-bottom: .9rem;
  font-size: .82rem;
  color: var(--fg-soft);
  text-align: left;
}

.campo-largo input,
select,
input[type="search"] {
  font: inherit;
  padding: .6rem .75rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--fg);
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}

.campo-largo input:focus,
select:focus,
input[type="search"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

label.campo {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  font-size: .78rem;
  color: var(--fg-soft);
}

/* ---------- botões ---------- */
.btn {
  background: var(--primary);
  color: var(--primary-fg);
  border: 1px solid var(--primary);
  padding: .55rem 1.1rem;
  border-radius: var(--radius-xs);
  font-weight: 600;
  font-size: .88rem;
  transition: all .15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
}

.btn:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.btn:active { transform: translateY(0); }

.btn.secundario {
  background: var(--surface-2);
  color: var(--fg);
  border-color: var(--border-strong);
}

.btn.secundario:hover {
  background: var(--border);
  box-shadow: none;
}

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- controles / filtros ---------- */
.filtros {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.opcao-check {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--fg-soft);
  padding-bottom: .5rem;
}

/* ---------- seleção de concurso ---------- */
.lista-concursos {
  display: grid;
  gap: .75rem;
  margin: 1.25rem 0;
}

.card-concurso {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  text-align: left;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--fg);
  font-size: .95rem;
  transition: all .15s ease;
}

.card-concurso:hover {
  border-color: var(--primary);
  background: var(--highlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-concurso.atual {
  border-color: var(--primary);
  background: var(--highlight);
}

.card-concurso strong {
  font-size: 1.05rem;
  color: var(--fg);
}

.card-concurso small {
  color: var(--fg-soft);
  font-weight: 500;
}

/* ---------- questão ---------- */
.etiquetas {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
  margin-bottom: .9rem;
}

.etiqueta {
  font-size: .72rem;
  padding: .22rem .65rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--fg-soft);
  border: 1px solid var(--border);
  font-weight: 500;
}

.etiqueta.forte {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

.etiqueta.alerta {
  background: var(--warning-bg);
  color: #b45309;
  border-color: #fcd34d;
}

.etiqueta.inedita {
  background: var(--info-bg);
  color: #0369a1;
  border-color: #7dd3fc;
}

[data-tema="dark"] .etiqueta.alerta { color: #fbbf24; border-color: #b45309; }
[data-tema="dark"] .etiqueta.inedita { color: #38bdf8; border-color: #0ea5e9; }

.texto-base {
  border-left: 3px solid var(--border-strong);
  padding: .2rem 0 .2rem 1rem;
  margin-bottom: 1rem;
  color: var(--fg-soft);
  font-size: .92rem;
  max-height: 12rem;
  overflow: auto;
  white-space: pre-wrap;
  cursor: pointer;
  border-radius: 0 8px 8px 0;
  background: var(--surface-2);
  padding: .75rem 1rem;
}

.texto-base.aberto { max-height: none; }

.enunciado {
  margin: 0 0 1rem;
  white-space: pre-wrap;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--fg);
}

.figura {
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
  background: var(--bg);
}

.alternativas {
  display: grid;
  gap: .55rem;
}

.alternativa {
  display: flex;
  gap: .75rem;
  text-align: left;
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--surface);
  color: var(--fg);
  font-size: .95rem;
  transition: all .12s ease;
}

.alternativa:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--highlight);
}

.alternativa .letra {
  font-weight: 700;
  font-family: var(--mono);
  flex: 0 0 1.4rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: var(--surface-2);
  display: grid;
  place-items: center;
  font-size: .8rem;
  color: var(--fg-soft);
}

.alternativa.marcada {
  border-color: var(--primary);
  background: var(--highlight);
}

.alternativa.marcada .letra {
  background: var(--primary);
  color: var(--primary-fg);
}

.alternativa.certa {
  border-color: var(--success);
  background: var(--success-bg);
}

.alternativa.certa .letra {
  background: var(--success);
  color: #fff;
}

.alternativa.errada {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.alternativa.errada .letra {
  background: var(--danger);
  color: #fff;
}

.alternativa:disabled { cursor: default; }

.retorno {
  margin-top: 1rem;
  padding: .8rem 1rem;
  border-radius: var(--radius-xs);
  font-size: .95rem;
  font-weight: 500;
}

.retorno.certo { background: var(--success-bg); color: var(--success); }
.retorno.errado { background: var(--danger-bg); color: var(--danger); }
.retorno.neutro { background: var(--warning-bg); color: #b45309; }
[data-tema="dark"] .retorno.neutro { color: #fbbf24; }

.justificativa {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border-left: 3px solid var(--primary);
  background: var(--highlight);
  border-radius: 0 8px 8px 0;
  font-size: .92rem;
  color: var(--fg-soft);
}

.justificativa strong { color: var(--fg); }

.rodape-questao {
  display: flex;
  gap: .6rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.contador {
  margin-left: auto;
  color: var(--fg-muted);
  font-size: .85rem;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

a.fonte {
  color: var(--fg-muted);
  font-size: .78rem;
  text-decoration: none;
}

a.fonte:hover { text-decoration: underline; }

/* ---------- capítulo ---------- */
.capitulo {
  max-height: calc(100vh - 8rem);
  overflow: auto;
  position: sticky;
  top: 5rem;
}

.capitulo-topo {
  display: flex;
  gap: .5rem;
  align-items: center;
  margin-bottom: .75rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.capitulo-topo strong { font-size: .95rem; }

.md h1 { font-size: 1.35rem; margin: .2rem 0 .8rem; color: var(--fg); }
.md h2 { font-size: 1.1rem; margin: 1.4rem 0 .5rem; padding-top: .6rem; border-top: 1px solid var(--border); }
.md h3 { font-size: .98rem; margin: 1rem 0 .4rem; }
.md p { margin: .5rem 0; }
.md ul, .md ol { margin: .5rem 0; padding-left: 1.3rem; }
.md li { margin: .25rem 0; }
.md code {
  font-family: var(--mono);
  font-size: .87em;
  background: var(--surface-2);
  padding: .15rem .35rem;
  border-radius: 4px;
  color: var(--fg);
}
.md pre {
  background: var(--surface-2);
  padding: .8rem;
  border-radius: var(--radius-xs);
  overflow: auto;
  font-size: .85rem;
  border: 1px solid var(--border);
}
.md pre code { background: none; padding: 0; }
.md table {
  border-collapse: collapse;
  width: 100%;
  font-size: .85rem;
  margin: .6rem 0;
  display: block;
  overflow-x: auto;
}
.md th, .md td {
  border: 1px solid var(--border);
  padding: .4rem .55rem;
  text-align: left;
  vertical-align: top;
}
.md th { background: var(--surface-2); }
.md hr { border: 0; border-top: 1px solid var(--border); margin: 1.2rem 0; }
.md .callout {
  border-left: 4px solid var(--primary);
  background: var(--highlight);
  padding: .7rem .9rem;
  border-radius: 0 8px 8px 0;
  margin: .8rem 0;
  font-size: .92rem;
}
.md .callout.danger { border-color: var(--danger); background: var(--danger-bg); }
.md .callout.warning { border-color: var(--warning); background: var(--warning-bg); }
.md .callout.tip { border-color: var(--success); background: var(--success-bg); }
.md .callout-titulo { font-weight: 700; display: block; margin-bottom: .25rem; color: var(--fg); }
.md .destacado { outline: 2px solid var(--primary); outline-offset: 6px; border-radius: 4px; }

/* ---------- biblioteca / estudo ---------- */
.biblioteca {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

@media (max-width: 900px) {
  .biblioteca {
    grid-template-columns: 1fr;
  }
  .indice {
    position: static;
    max-height: none;
  }
}

.indice {
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 7rem);
  overflow: auto;
  padding: 1rem;
}

.indice h3 {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--fg-muted);
  margin: 1rem 0 .3rem;
  font-weight: 700;
}

.indice h3:first-of-type { margin-top: .2rem; }

.indice a {
  display: block;
  padding: .35rem .5rem;
  border-radius: 6px;
  font-size: .85rem;
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
}

.indice a:hover { background: var(--highlight); }

.indice a[aria-current="true"] {
  background: var(--primary);
  color: var(--primary-fg);
}

.indice a .marca-concluido { color: var(--success); font-weight: 700; margin-right: .3rem; }
.indice a[aria-current="true"] .marca-concluido { color: var(--primary-fg); }

.barra-secao {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .65rem;
  color: var(--fg-muted);
  margin: .15rem 0 .35rem;
}

.barra-secao .barra {
  flex: 1;
  height: 4px;
  min-width: 0;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.barra-secao .barra span {
  display: block;
  height: 100%;
  background: var(--success);
  border-radius: 2px;
}

.selo-concluido {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--success-bg);
  color: var(--success);
  padding: .5rem .75rem;
  border-radius: var(--radius-xs);
  font-size: .85rem;
  margin-bottom: .8rem;
  font-weight: 500;
}

.leitura-topo {
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: .8rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--border);
}

.alternar-conclusao {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .82rem;
  cursor: pointer;
  padding: .4rem .65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--surface-2);
  color: var(--fg);
}

.alternar-conclusao input { cursor: pointer; }

.caminho {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--fg-muted);
}

.sumario {
  background: var(--surface-2);
  border-radius: var(--radius-xs);
  padding: .7rem .9rem;
  margin-bottom: 1rem;
  font-size: .85rem;
  border: 1px solid var(--border);
}

.sumario summary { cursor: pointer; font-weight: 600; color: var(--fg); }
.sumario ol { margin: .5rem 0 0; padding-left: 1.2rem; }
.sumario a { color: var(--fg); text-decoration: none; }
.sumario a:hover { text-decoration: underline; }

/* ---------- estatísticas ---------- */
.painel-numeros {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}

.numero {
  background: var(--surface-2);
  border-radius: var(--radius-xs);
  padding: .9rem;
  border: 1px solid var(--border);
}

.numero b {
  display: block;
  font-size: 1.6rem;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
}

.numero small {
  color: var(--fg-soft);
  font-size: .75rem;
  font-weight: 500;
}

.placar {
  border-collapse: collapse;
  width: 100%;
  font-size: .88rem;
}

.placar th, .placar td {
  border-bottom: 1px solid var(--border);
  padding: .5rem .55rem;
  text-align: left;
}

.placar th {
  font-weight: 600;
  color: var(--fg-soft);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.placar td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.barra {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  min-width: 70px;
}

.barra span {
  display: block;
  height: 100%;
  background: var(--success);
  border-radius: 3px;
}

.relogio {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
}

.relogio.acabando { color: var(--danger); }

.vazio {
  color: var(--fg-soft);
  text-align: center;
  padding: 2.5rem 1rem;
  font-size: .95rem;
}

.grade-gabarito {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr));
  gap: .3rem;
  margin-top: .6rem;
}

.grade-gabarito button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  border-radius: var(--radius-xs);
  padding: .35rem 0;
  font-size: .78rem;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.grade-gabarito button.respondida { background: var(--highlight); border-color: var(--primary); color: var(--primary); }
.grade-gabarito button.atual { outline: 2px solid var(--primary); }
.grade-gabarito button.certa { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.grade-gabarito button.errada { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }

/* ---------- utilitários ---------- */
.aviso-erro {
  background: var(--danger-bg);
  color: var(--danger);
  padding: .7rem .9rem;
  border-radius: var(--radius-xs);
  font-size: .85rem;
  margin-bottom: .8rem;
  font-weight: 500;
}

.aviso-ok {
  background: var(--success-bg);
  color: var(--success);
  padding: .7rem .9rem;
  border-radius: var(--radius-xs);
  font-size: .85rem;
  margin-bottom: .8rem;
  font-weight: 500;
}

.senha-gerada {
  font-family: var(--mono);
  font-size: 1rem;
  background: var(--surface-2);
  padding: .5rem .7rem;
  border-radius: var(--radius-xs);
  user-select: all;
  display: inline-block;
  margin-top: .3rem;
  border: 1px solid var(--border);
}

.identidade {
  font-size: .75rem;
  color: var(--fg-muted);
  margin-left: .5rem;
}

/* ---------- aviso localStorage ---------- */
.faixa-aviso {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem 1rem;
}