:root {
  --azul: #0a2a55;
  --azul-2: #0f4c8a;
  --azul-3: #e8f0fb;
  --laranja: #f7941d;
  --fundo: #f4f6fa;
  --card: #ffffff;
  --texto: #1b2433;
  --suave: #5d6b82;
  --linha: #dfe5ee;
  --ok: #1e8e4e;
  --ok-bg: #e3f5ea;
  --atencao: #b26a00;
  --atencao-bg: #fff3dc;
  --risco: #c62828;
  --risco-bg: #fde7e7;
  --raio: 14px;
  --sombra: 0 1px 2px rgba(16, 32, 64, .06), 0 4px 16px rgba(16, 32, 64, .06);
  /* cores dos botões do quiz */
  --q0: #e21b3c; --q1: #1368ce; --q2: #d89e00; --q3: #26890c;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--fundo); color: var(--texto); line-height: 1.5; }
a { color: var(--azul-2); }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(1.4rem, 3vw, 2rem); }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
small, .suave { color: var(--suave); }

/* Topo */
.topo { background: var(--azul); color: #fff; display: flex; align-items: center; gap: 16px; padding: 10px 20px; position: sticky; top: 0; z-index: 20; }
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; }
.marca img { width: 42px; height: 42px; border-radius: 8px; object-fit: cover; }
.marca span { display: flex; flex-direction: column; line-height: 1.15; }
.marca small { color: #b9c9e4; font-size: .8rem; }
.menu { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.menu a { color: #dce6f5; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: .95rem; }
.menu a:hover, .menu a.ativo { background: rgba(255, 255, 255, .12); color: #fff; }
.menu a.destaque { background: var(--laranja); color: #fff; }
.menu-btn { display: none; margin-left: auto; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }
@media (max-width: 900px) {
  .admin .menu-btn { display: block; }
  .admin .menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--azul); flex-direction: column; padding: 8px 16px 16px; }
  .menu-aberto .menu { display: flex; }
  .publico-menu a:not(.destaque) { display: none; }
}

.conteudo { max-width: 1180px; margin: 0 auto; padding: 24px 16px 64px; }

/* Cards e grid */
.card { background: var(--card); border-radius: var(--raio); box-shadow: var(--sombra); padding: 20px; margin-bottom: 20px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid-2 { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }
.linha { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.linha.fim { justify-content: flex-end; }
.entre { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.cab-pagina { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.cab-pagina h1 { margin: 0; }
.cab-pagina p { margin: 4px 0 0; color: var(--suave); }

/* Botões e formulários */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; background: var(--azul-2); color: #fff; line-height: 1.2; }
.btn:hover { filter: brightness(1.08); }
.btn.sec { background: var(--azul-3); color: var(--azul-2); }
.btn.laranja { background: var(--laranja); }
.btn.verde { background: var(--ok); }
.btn.perigo { background: var(--risco); }
.btn.peq { padding: 6px 10px; font-size: .88rem; border-radius: 8px; }
.btn.grande { padding: 14px 22px; font-size: 1.1rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--linha); border-radius: 10px; font: inherit; background: #fff; color: var(--texto);
}
textarea { min-height: 120px; resize: vertical; }
textarea.codigo { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9rem; min-height: 320px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--azul-2); outline-offset: 0; border-color: transparent; }
.ajuda { font-size: .85rem; color: var(--suave); margin-top: 4px; }

/* Avisos */
.aviso { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 500; }
.aviso.ok { background: var(--ok-bg); color: var(--ok); }
.aviso.erro { background: var(--risco-bg); color: var(--risco); }
.aviso.info { background: var(--azul-3); color: var(--azul-2); }

/* Tabelas */
.tabela-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--linha); text-align: left; vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--suave); font-weight: 600; }
tr:hover td { background: #fafbfd; }
td.num, th.num { text-align: right; }

/* Pills */
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .82rem; font-weight: 600; background: var(--azul-3); color: var(--azul-2); white-space: nowrap; }
.pill.bom { background: var(--ok-bg); color: var(--ok); }
.pill.atencao { background: var(--atencao-bg); color: var(--atencao); }
.pill.risco { background: var(--risco-bg); color: var(--risco); }
.pill.muted { background: #eef1f5; color: var(--suave); }

/* Avatar */
.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem; color: #fff; background: hsl(var(--h, 210) 55% 45%); flex-shrink: 0; }
.avatar.g { width: 96px; height: 96px; font-size: 1.8rem; }
.aluno-cel { display: flex; align-items: center; gap: 10px; }
.aluno-cel a { color: inherit; text-decoration: none; font-weight: 500; }
.aluno-cel small { display: block; }

/* Painel */
.hoje { border-left: 6px solid var(--laranja); }
.turma-card h3 { margin-bottom: 2px; }
.turma-card .uc-atual { background: var(--azul-3); border-radius: 10px; padding: 10px 12px; margin: 12px 0; }
.turma-card .acoes { display: flex; gap: 8px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat b { font-size: 1.6rem; }
.stats { display: flex; gap: 24px; flex-wrap: wrap; }
.barra { height: 8px; background: #e6ebf2; border-radius: 99px; overflow: hidden; }
.barra > i { display: block; height: 100%; background: var(--azul-2); border-radius: 99px; }

/* Chamada */
.chamada-lista { display: flex; flex-direction: column; gap: 8px; }
.chamada-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--linha); border-radius: 12px; background: #fff; flex-wrap: wrap; }
.chamada-item .nome { flex: 1; min-width: 180px; }
.status-opcoes { display: flex; gap: 4px; flex-wrap: wrap; }
.status-opcoes input { position: absolute; opacity: 0; pointer-events: none; }
.status-opcoes label { margin: 0; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--linha); cursor: pointer; font-size: .85rem; font-weight: 600; color: var(--suave); background: #fff; user-select: none; }
.status-opcoes input:checked + label.s-P { background: var(--ok); border-color: var(--ok); color: #fff; }
.status-opcoes input:checked + label.s-F { background: var(--risco); border-color: var(--risco); color: #fff; }
.status-opcoes input:checked + label.s-FJ { background: var(--atencao); border-color: var(--atencao); color: #fff; }
.status-opcoes input:checked + label.s-FA { background: #6a3fb5; border-color: #6a3fb5; color: #fff; }
.status-opcoes input:checked + label.s-MNR, .status-opcoes input:checked + label.s-NI { background: #5d6b82; border-color: #5d6b82; color: #fff; }
.resumo-chamada { position: sticky; bottom: 0; background: #fff; border-top: 1px solid var(--linha); padding: 12px 16px; margin: 16px -20px -20px; border-radius: 0 0 var(--raio) var(--raio); display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

/* Menções */
.mencao-sel { width: auto; padding: 6px 8px; font-weight: 700; }
.mencao-sel.v-A { background: var(--ok-bg); color: var(--ok); }
.mencao-sel.v-PA { background: var(--atencao-bg); color: var(--atencao); }
.mencao-sel.v-NA { background: var(--risco-bg); color: var(--risco); }

/* Público */
.hero { background: linear-gradient(135deg, var(--azul) 0%, #134a86 100%); color: #fff; border-radius: 20px; padding: 32px; display: flex; gap: 28px; align-items: center; margin-bottom: 28px; flex-wrap: wrap; }
.hero img.foto { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; border: 4px solid rgba(255, 255, 255, .25); }
.hero h1 { margin-bottom: 6px; }
.hero p { margin: 0; color: #cfdcf0; }
.hero .logos { margin-left: auto; display: flex; gap: 12px; }
.hero .logos img { width: 72px; height: 72px; border-radius: 12px; object-fit: cover; background: #fff; }
.uc-card { text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 8px; transition: transform .15s; border-top: 5px solid var(--azul-2); }
.uc-card:hover { transform: translateY(-3px); }
.uc-card .num { font-weight: 800; color: var(--laranja); font-size: .9rem; letter-spacing: .05em; }
.aula-item { display: flex; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--linha); border-radius: 12px; text-decoration: none; color: inherit; background: #fff; margin-bottom: 10px; }
.aula-item:hover { border-color: var(--azul-2); }
.aula-item .ordem { width: 40px; height: 40px; border-radius: 10px; background: var(--azul-3); color: var(--azul-2); display: flex; align-items: center; justify-content: center; font-weight: 800; flex-shrink: 0; }
.tag-tipo { font-size: .8rem; color: var(--suave); }

/* Login */
.login-box { max-width: 400px; margin: 8vh auto; }

/* Utilidades */
.oculto { display: none !important; }
.centro { text-align: center; }
.mt0 { margin-top: 0; }
.vazio { text-align: center; padding: 32px; color: var(--suave); }
details summary { cursor: pointer; font-weight: 600; }
kbd { background: #eef1f5; border-radius: 4px; padding: 1px 6px; font-size: .85em; border: 1px solid var(--linha); }

@media print {
  .topo, .nao-imprimir, .btn { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; padding: 0; }
}

/* Cursos na página inicial */
.curso-bloco { margin: 12px 0 36px; }
.curso-cab { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; border-bottom: 2px solid var(--linha); padding-bottom: 8px; margin-bottom: 12px; }
.curso-cab h2 { margin: 0; }
.curso-cab h2 a { color: var(--azul); text-decoration: none; }
.lista-uc { padding-left: 20px; font-size: .92rem; margin: 0; }
.lista-uc li { margin-bottom: 6px; }
.rodape-admin { text-align: center; color: var(--suave); font-size: .8rem; padding: 0 16px 24px; }
optgroup { font-style: normal; font-weight: 700; }
details.elemento { border-top: 1px solid var(--linha); padding: 10px 0; }
details.elemento summary { font-size: 1rem; }
details.elemento ol { margin-top: 10px; }