/* ==========================================================================
   Notamil - identidade visual (verde institucional com degrade para o branco)
   ========================================================================== */
:root {
  --brand: #17823f;
  --brand-dark: #0d5c2a;
  --brand-soft: #2fae60;
  --green: #2f9e54;
  --green-dark: #1f7a3e;
  --red: #d64545;
  --ink: #1b2028;
  --muted: #69707c;
  /* Bordas e fundo neutros: o verde da marca so acentua se nao competir com
     um campo verde. */
  --line: #e3e7e4;
  --surface: #ffffff;
  --bg: #f4f6f4;
  /* Raio por hierarquia: quanto menor o elemento, menor o arredondamento. */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --fonte-ui: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  /* Serifada de leitura em tela: o corpo da questao e texto longo no celular. */
  --fonte-leitura: Literata, Georgia, "Times New Roman", serif;
  --shadow-sm: 0 1px 2px rgba(16, 40, 26, .05), 0 2px 8px rgba(16, 40, 26, .04);
  --shadow-md: 0 10px 28px rgba(16, 40, 26, .10);
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--fonte-ui);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

/* ---------- Navbar / rodape ---------- */
.navbar-notamil {
  background: var(--brand-dark);
  box-shadow: var(--shadow-sm);
}
.navbar-notamil .navbar-brand {
  font-weight: 700;
  letter-spacing: .3px;
  color: #fff;
}
.navbar-notamil .marca {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.4px;
  color: #fff;
}
.navbar-notamil .logo-instituicao {
  height: 34px;
  width: auto;
  max-width: 45vw;
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
}
.navbar-notamil .nav-link { color: rgba(255, 255, 255, .78); font-weight: 500; }
.navbar-notamil .nav-link:hover,
.navbar-notamil .nav-link.active { color: #fff; }

.rodape {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, .7);
  font-size: .85rem;
}

/* ---------- Cartoes ---------- */
.card-notamil {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* ---------- Hero da tela inicial ---------- */
.hero {
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 45%, var(--brand-soft) 100%);
  border-radius: 26px;
  color: #fff;
  overflow: hidden;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -60px -120px auto;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(143, 226, 168, .35), transparent 65%);
  pointer-events: none;  /* o brilho decorativo nao pode roubar o clique do botao */
}
.hero h1 { font-weight: 700; letter-spacing: -.5px; }
.hero .badge-hero {
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  color: #e9f6ee;
  font-weight: 500;
}

/* ---------- Cartoes de acao do menu ---------- */
.acao {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 1.75rem;
  height: 100%;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.acao:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(23, 130, 63, .25);
}
.acao .icone {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.icone-prova { background: rgba(23, 130, 63, .10); color: var(--brand); }
.icone-redacao { background: rgba(47, 158, 84, .12); color: var(--green-dark); }
.acao h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .35rem; }
.acao p { color: var(--muted); margin: 0; font-size: .93rem; }
.acao.desabilitada { opacity: .72; }

/* ---------- Contadores da geracao de prova ---------- */
.area-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.25rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.area-card:focus-within { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.area-card .area-nome {
  font-weight: 600;
  color: var(--brand);
  font-size: .9rem;
}
.area-card .disponiveis { color: var(--muted); font-size: .82rem; }

.contador { display: flex; align-items: center; gap: .5rem; }
.contador .btn-passo {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  transition: filter .15s ease, transform .1s ease;
}
.contador .btn-passo:active { transform: scale(.94); }
.contador .btn-passo:hover { filter: brightness(1.08); }
.btn-menos { background: var(--red); }
.btn-mais { background: var(--green); }
.contador input {
  width: 68px;
  height: 42px;
  text-align: center;
  font-weight: 700;
  font-size: 1.05rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--brand);
}
.contador input:focus { outline: 2px solid rgba(23, 130, 63, .25); }

.sub-opcao { margin-left: 1.25rem; }
.sub-opcao.desligada { opacity: .5; }

.qr-area {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.25rem;
  display: inline-block;
}
.qr-area img, .qr-area canvas { display: block; margin: 0 auto; }

.idioma-toggle {
  background: rgba(23, 130, 63, .05);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}

/* ---------- Corpo da questao ---------- */
.questao-cabecalho {
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 1.1rem 1.4rem;
}
.questao-cabecalho .origem { color: rgba(255, 255, 255, .7); font-size: .85rem; }

.texto-apoio {
  background: #fafbfa;
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand-soft);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  color: #2c3138;
  font-family: var(--fonte-leitura);
  font-size: 1rem;
  /* Serifada pede entrelinha maior; a medida evita a linha longa demais. */
  line-height: 1.75;
  max-width: 66ch;
  white-space: pre-line;
  margin-bottom: .85rem;
}
.referencia {
  color: #888;
  font-style: italic;
  font-size: .8rem;
  text-align: right;
  margin-bottom: .85rem;
  white-space: pre-line;
}
.imagem-questao {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto .5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.enunciado {
  font-family: var(--fonte-leitura);
  font-size: 1.05rem;
  line-height: 1.75;
  font-weight: 500;
  color: var(--ink);
  max-width: 66ch;
  white-space: pre-line;
}

/* ---------- Alternativas ---------- */
.alternativa { position: relative; margin-bottom: .6rem; }
.alternativa input { position: absolute; opacity: 0; pointer-events: none; }
.alternativa label {
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  width: 100%;
  cursor: pointer;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  background: var(--surface);
  transition: border-color .15s ease, background .15s ease;
}
.alternativa label:hover { border-color: var(--brand-soft); background: rgba(23, 130, 63, .03); }
.alternativa input:checked + label {
  border-color: var(--brand);
  background: rgba(23, 130, 63, .06);
}
.alternativa .letra {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: .9rem;
  background: rgba(23, 130, 63, .08);
  color: var(--brand);
}
.alternativa input:checked + label .letra { background: var(--brand); color: #fff; }
.alternativa .texto { font-family: var(--fonte-leitura); line-height: 1.6; }

/* Estados da analise da tentativa */
.alternativa.correta label { border-color: var(--green); background: rgba(47, 158, 84, .08); }
.alternativa.correta .letra { background: var(--green); color: #fff; }
.alternativa.errada label { border-color: var(--red); background: rgba(214, 69, 69, .07); }
.alternativa.errada .letra { background: var(--red); color: #fff; }
.alternativa .marcador { margin-left: auto; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.alternativa.correta .marcador { color: var(--green-dark); }
.alternativa.errada .marcador { color: var(--red); }

/* ---------- Código da turma ---------- */
.codigo-turma {
  display: inline-block;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: .5rem;
  text-indent: .5rem;
  color: var(--brand);
  background: rgba(23, 130, 63, .06);
  border: 1.5px dashed var(--brand-soft);
  border-radius: 16px;
  padding: .9rem 1.6rem;
}
.campo-codigo {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  letter-spacing: .35rem;
  text-align: center;
  font-weight: 700;
}

/* ---------- Progresso ---------- */
.barra-progresso { height: 8px; border-radius: 999px; background: rgba(23, 130, 63, .10); }
.barra-progresso .progress-bar {
  background: var(--brand);
  border-radius: 999px;
}

/* ---------- Indice das questoes ---------- */
.indice-questoes {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.1rem 1.25rem;
}
.indice-questoes .pendentes-aviso { color: var(--red); font-size: .88rem; font-weight: 600; }
.indice-questoes .tudo-pronto { color: var(--green-dark); font-size: .88rem; font-weight: 600; }

.grade-indice {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: .5rem;
}
.grade-indice .salto {
  height: 44px;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-weight: 600;
  font-size: .95rem;
  transition: border-color .15s ease, color .15s ease;
}
.grade-indice .salto:hover { border-color: var(--brand-soft); color: var(--brand); }
/* Respondida e um estado, nao uma cor decorativa: preenchida = pronta. */
.grade-indice .salto.respondida {
  background: rgba(23, 130, 63, .08);
  border-color: rgba(23, 130, 63, .25);
  color: var(--brand);
}
.grade-indice .salto.atual {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* ---------- Resultado ---------- */
.aro-resultado {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto;
  background: conic-gradient(var(--green) calc(var(--pct) * 1%), rgba(23, 130, 63, .12) 0);
}
.aro-resultado .miolo {
  width: 152px;
  height: 152px;
  border-radius: 50%;
  background: var(--surface);
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px var(--line);
}
.aro-resultado .valor { font-size: 2.3rem; font-weight: 700; color: var(--brand); line-height: 1; }
.aro-resultado .rotulo { font-size: .85rem; color: var(--muted); }

.estatistica {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .9rem 1rem;
  text-align: center;
  background: var(--surface);
}
.estatistica .numero { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.estatistica .titulo { font-size: .85rem; color: var(--muted); }

/* ---------- Botoes ---------- */
.btn { border-radius: var(--radius-xs); font-weight: 600; }
.btn-lg { padding: .8rem 1.5rem; }
.btn-brand { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-verde { background: var(--green); border-color: var(--green); color: #fff; }
.btn-verde:hover { background: var(--green-dark); border-color: var(--green-dark); color: #fff; }
.btn-outline-brand { border-color: var(--brand); color: var(--brand); }
.btn-outline-brand:hover { background: var(--brand); color: #fff; }

@media (max-width: 575.98px) {
  .navbar-notamil .logo-instituicao { height: 26px; padding: 3px 6px; }
  .aro-resultado { width: 160px; height: 160px; }
  .aro-resultado .miolo { width: 126px; height: 126px; }
  .hero { border-radius: 20px; }
}

/* ---------- Piso de acessibilidade ---------- */
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}
.alternativa input:focus-visible + label {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .acao:hover { transform: none; }
}