:root{
  --navy:#0d1b3e; --navy-2:#13234d; --blue:#1f4fd6; --blue-600:#1842b8;
  --teal:#14b8a6; --gold:#f5a623; --red:#dc2626;
  --gray-50:#f7f8fa; --gray-100:#eef1f5; --gray-200:#e2e7ef; --gray-300:#cbd3e0;
  --gray-500:#6b7488; --gray-700:#3a4256; --text:#1f2533; --white:#fff;
  --radius:10px; --shadow:0 2px 10px rgba(13,27,62,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--gray-50);line-height:1.5}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- Topbar ---------- */
.topbar{background:var(--navy);color:#fff}
.topbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:24px;padding:0 24px;height:64px}
.brand{display:flex;align-items:baseline;gap:4px}
.brand-mark{color:var(--red);font-weight:800;font-size:22px;letter-spacing:.5px}
.brand-sub{color:#fff;font-weight:600;font-size:11px;letter-spacing:2px}
.topnav{display:flex;gap:20px;margin-left:12px}
.topnav a{color:#cdd6ea;font-size:14px;padding:4px 0;border-bottom:2px solid transparent}
.topnav a.active,.topnav a:hover{color:#fff;border-color:var(--blue);text-decoration:none}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:12px}
.user-name{font-size:13px;color:#cdd6ea}
.avatar{width:32px;height:32px;border-radius:50%}
.inline{display:inline}

/* ---------- Container ---------- */
.container{max-width:1200px;margin:0 auto;padding:24px}
.container-narrow{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Hero ---------- */
.hero-questoes{background:var(--navy);color:#fff;padding:28px 0 40px}
.hero-crumb{font-size:12px;color:#9fb0d4;margin:0 0 8px}
.hero-title{font-size:24px;margin:0;font-weight:700}

/* ---------- Painel de filtros ---------- */
.painel-filtros{background:#fff;max-width:1152px;margin:-20px auto 0;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.filtros-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.campo-busca{grid-column:span 2}
.campo select,.campo input{width:100%;padding:11px 12px;border:1px solid var(--gray-300);border-radius:8px;background:var(--gray-50);font-size:14px;color:var(--text)}
.campo select:focus,.campo input:focus{outline:none;border-color:var(--blue);background:#fff}

.filtros-chips{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:18px;padding-top:16px;border-top:1px solid var(--gray-100)}
.chip-label{font-size:13px;font-weight:600;color:var(--gray-700);margin-left:6px}
.chip-radio,.chip-check{font-size:13px;color:var(--gray-700);display:inline-flex;align-items:center;gap:5px;cursor:pointer}

.filtros-acoes{display:flex;justify-content:flex-end;align-items:center;gap:16px;margin-top:18px}
.btn-link{color:var(--gray-500);font-size:14px}

/* ---------- Botões ---------- */
.btn-primary{background:var(--blue);color:#fff;border:none;padding:11px 22px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}
.btn-primary:hover{background:var(--blue-600)}
.btn-block{width:100%}
.btn-ghost{background:transparent;color:#cdd6ea;border:1px solid #3a4670;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-danger-sm{background:#fff;color:var(--red);border:1px solid var(--red);padding:5px 12px;border-radius:6px;cursor:pointer;font-size:12px}

/* ---------- Barra de resultado ---------- */
.resultado-barra{max-width:1152px;margin:20px auto 0;display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--gray-700)}
.resultado-barra strong{color:var(--navy);font-size:18px}
.resultado-ordenar select{padding:8px 10px;border:1px solid var(--gray-300);border-radius:8px;background:#fff}

/* ---------- Cartões de questão ---------- */
.lista-questoes{max-width:1152px;margin:16px auto 0;display:flex;flex-direction:column;gap:18px}
.questao-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:0;overflow:hidden;box-shadow:var(--shadow)}
.questao-head{display:flex;align-items:center;gap:10px;background:var(--gray-50);padding:12px 18px;border-bottom:1px solid var(--gray-100);font-size:13px}
.questao-num{background:var(--navy);color:#fff;font-weight:700;width:28px;height:28px;display:grid;place-items:center;border-radius:6px}
.questao-cod{color:var(--blue);font-weight:600}
.questao-meta{color:var(--gray-500)}
.questao-prova{padding:12px 18px 0;font-size:13px;color:var(--gray-700)}
.questao-enunciado{padding:14px 18px;font-size:15px}
.questao-alternativas{list-style:none;margin:0;padding:0 18px}
.alt-opcao{display:flex;gap:12px;align-items:center;padding:8px 4px;border:none;border-radius:8px;margin-bottom:2px;cursor:pointer}
.alt-radio{position:absolute;opacity:0;width:0;height:0;margin:0;pointer-events:none}
.alt-letra{font-weight:700;color:var(--blue);border:1.5px solid var(--gray-300);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;flex-shrink:0;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.alt-texto{font-size:14px}
.alt-opcao:has(.alt-radio:checked):not(.correta):not(.errada) .alt-letra{background:var(--blue);color:#fff;border-color:var(--blue)}
.alt-opcao.selecionada:not(.correta):not(.errada) .alt-letra{background:var(--blue);color:#fff;border-color:var(--blue)}
.alt-opcao.correta .alt-letra{background:var(--teal);color:#fff;border-color:var(--teal)}
.alt-opcao.correta .alt-texto{color:var(--teal);font-weight:600}
.alt-opcao.errada .alt-letra{background:var(--red);color:#fff;border-color:var(--red)}
.alt-opcao.errada .alt-texto{color:var(--red);font-weight:600}
.questao-acoes{display:flex;align-items:center;gap:14px;padding:14px 18px}
.questao-feedback{font-size:14px;font-weight:600}
.questao-feedback.ok{color:var(--teal)}
.questao-feedback.no{color:var(--red)}
.questao-comentario{margin:0 18px 18px;padding:14px;background:var(--gray-50);border-left:3px solid var(--blue);border-radius:6px;font-size:14px}

.vazio{background:#fff;padding:40px;text-align:center;color:var(--gray-500);border-radius:var(--radius)}

/* ---------- Paginação ---------- */
.paginacao{max-width:1152px;margin:24px auto;display:flex;gap:6px;justify-content:center}
.paginacao a{padding:8px 13px;border:1px solid var(--gray-300);border-radius:6px;background:#fff;font-size:14px}
.paginacao a.ativa{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ---------- Auth ---------- */
.auth-body{background:var(--navy);min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{background:#fff;width:100%;max-width:400px;border-radius:14px;padding:36px;box-shadow:0 12px 40px rgba(0,0,0,.3)}
.auth-brand{text-align:center;margin-bottom:8px}
.auth-title{text-align:center;font-size:22px;margin:8px 0 24px}
.auth-form label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:14px}
.auth-form input{width:100%;margin-top:5px;padding:11px 12px;border:1px solid var(--gray-300);border-radius:8px;font-size:14px}
.auth-form input:focus{outline:none;border-color:var(--blue)}
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px;border:1px solid var(--gray-300);border-radius:8px;background:#fff;color:var(--gray-700);font-weight:600;font-size:14px}
.btn-google:hover{background:var(--gray-50);text-decoration:none}
.auth-divider{display:flex;align-items:center;text-align:center;color:var(--gray-500);font-size:13px;margin:18px 0}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--gray-200)}
.auth-divider span{padding:0 12px}
.auth-foot{text-align:center;font-size:14px;margin-top:20px;color:var(--gray-500)}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}

/* ---------- Admin ---------- */
.admin-body{display:flex;min-height:100vh;margin:0}
.sidebar{width:230px;background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:20px 0;flex-shrink:0}
.sidebar-brand{padding:0 22px 22px;border-bottom:1px solid #25315c;margin-bottom:14px}
.sidebar-nav{display:flex;flex-direction:column}
.sidebar-nav a{color:#cdd6ea;padding:11px 22px;font-size:14px}
.sidebar-nav a:hover{background:#19264f;color:#fff;text-decoration:none}
.sidebar-logout{margin-top:auto;padding:14px 22px}
.admin-main{flex:1;padding:28px 32px;background:var(--gray-50)}
.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.admin-header h1{font-size:22px;margin:0}
.admin-subtitle{font-size:16px;margin:24px 0 12px}
.cards-stats{display:flex;gap:16px;margin-bottom:8px}
.stat-card{background:#fff;border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);min-width:180px}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--navy)}
.stat-label{font-size:13px;color:var(--gray-500)}
.admin-busca{display:flex;gap:10px;margin-bottom:18px}
.admin-busca input{flex:1;padding:10px 12px;border:1px solid var(--gray-300);border-radius:8px}

.tabela{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tabela th,.tabela td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--gray-100)}
.tabela th{background:var(--gray-50);color:var(--gray-700);font-size:12px;text-transform:uppercase;letter-spacing:.4px}

/* ---------- Form de questão ---------- */
.form-questao{max-width:860px}
.form-questao fieldset{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;margin-bottom:18px}
.form-questao legend{font-weight:700;padding:0 8px;color:var(--navy)}
.form-questao label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:14px}
.form-questao input,.form-questao select,.form-questao textarea{width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--gray-300);border-radius:8px;font-size:14px;font-family:inherit}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.alt-linha{display:flex;align-items:center;gap:12px;margin-bottom:10px;background:#fff;border:1px solid var(--gray-200);border-radius:8px;padding:8px 12px}
.alt-correta{display:flex;align-items:center;justify-content:center;flex-shrink:0;margin:0;cursor:pointer}
.alt-correta input[type=radio]{width:18px;height:18px;margin:0;cursor:pointer;accent-color:var(--blue)}
.alt-tag{font-weight:700;color:var(--blue);width:22px;flex-shrink:0;text-align:center;font-size:15px}
.alt-linha .alt-campo{flex:1 1 auto;min-width:0;width:auto;margin-top:0;resize:vertical}
.alt-linha .alt-campo:focus{outline:none;border-color:var(--blue)}
.form-acoes{display:flex;justify-content:flex-end;gap:14px}

@media(max-width:900px){
  .filtros-grid{grid-template-columns:1fr 1fr}
  .campo-busca{grid-column:span 2}
  .grid-2{grid-template-columns:1fr}
  .admin-body{flex-direction:column}
  .sidebar{width:100%}
}

/* ==================== Barra de ações da questão ==================== */
.acoes-barra{display:flex;flex-wrap:wrap;gap:4px;border-top:1px solid var(--gray-100);margin-top:6px;padding:6px 10px}
.acao-item{display:inline-flex;align-items:center;gap:6px;background:transparent;border:none;padding:9px 14px;border-radius:8px;font-size:13px;color:var(--gray-700);cursor:pointer;font-family:inherit}
.acao-item:hover{background:var(--gray-50)}
.acao-item.aberto{background:#eff3fb;color:var(--blue)}
.acao-ic{font-size:14px;line-height:1}
.acao-badge{background:var(--red);color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:1px 6px;min-width:18px;text-align:center}
.acao-marcador.ativo{color:var(--gold);font-weight:600}
.acao-reportar{color:var(--red)}
.acao-reportar:hover{background:#fef2f2}

.acao-paineis{padding:0 18px}
.painel{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:10px;padding:16px;margin-bottom:16px}
.painel-aviso,.painel-vazio,.painel-carregando{color:var(--gray-500);font-size:14px;margin:6px 0}

/* Comentários */
.coment-form{display:flex;gap:10px;margin-bottom:14px}
.coment-texto{flex:1;padding:10px 12px;border:1px solid var(--gray-300);border-radius:8px;font-family:inherit;font-size:14px;resize:vertical}
.coment-lista{display:flex;flex-direction:column;gap:10px}
.coment-item{background:#fff;border:1px solid var(--gray-200);border-radius:8px;padding:12px 14px}
.coment-cab{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}
.coment-cab strong{font-size:14px;color:var(--navy)}
.coment-data{font-size:12px;color:var(--gray-500)}
.coment-item p{margin:0;font-size:14px}

/* Anotações */
.anot-texto{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:8px;font-family:inherit;font-size:14px;resize:vertical}
.anot-acoes{display:flex;align-items:center;gap:12px;margin-top:10px}
.anot-status.ok,.rep-status.ok{color:var(--teal);font-size:13px;font-weight:600}
.rep-status.no{color:var(--red);font-size:13px}

/* Reportar */
.rep-label{display:block;font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:10px}
.rep-motivo{width:100%;max-width:320px;margin-top:5px;padding:9px 12px;border:1px solid var(--gray-300);border-radius:8px;font-size:14px;display:block}
.rep-desc{width:100%;margin-top:10px;padding:10px 12px;border:1px solid var(--gray-300);border-radius:8px;font-family:inherit;font-size:14px;resize:vertical}
.rep-acoes{display:flex;align-items:center;gap:12px;margin-top:10px}

/* Estatísticas */
.estat-resumo{display:flex;gap:14px;margin-bottom:16px}
.estat-card{background:#fff;border:1px solid var(--gray-200);border-radius:8px;padding:14px 20px;text-align:center;display:flex;flex-direction:column}
.estat-card .estat-num{font-size:24px;font-weight:800;color:var(--navy)}
.estat-card.ok .estat-num{color:var(--teal)}
.estat-card span:last-child{font-size:12px;color:var(--gray-500)}
.estat-titulo{font-size:13px;font-weight:600;color:var(--gray-700);margin:0 0 10px}
.estat-barra-linha{display:flex;align-items:center;gap:10px;margin-bottom:7px}
.estat-letra{font-weight:700;color:var(--blue);width:20px}
.estat-barra{flex:1;height:18px;background:var(--gray-200);border-radius:9px;overflow:hidden}
.estat-barra-fill{height:100%;background:var(--blue);border-radius:9px}
.estat-pct{font-size:13px;color:var(--gray-700);width:42px;text-align:right}

/* Botão editar na lista admin */
.btn-edit-sm{display:inline-block;background:#fff;color:var(--blue);border:1px solid var(--blue);padding:5px 12px;border-radius:6px;font-size:12px;text-decoration:none;margin-right:6px}
.btn-edit-sm:hover{background:var(--blue);color:#fff;text-decoration:none}