@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #f8fafc;
  --bg2:      #f1f5f9;
  --card:     #ffffff;
  --primario: #1e40af;
  --prim-h:   #1d4ed8;
  --text:     #1e293b;
  --text-dim: #64748b;
  --borda:    #e2e8f0;
  --sucesso:  #16a34a;
  --erro:     #dc2626;
  --aviso:    #d97706;
  --radius:   12px;
}

html, body { background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; font-size: 15px; min-height: 100vh; }

.oculto { display: none !important; }
.container { max-width: 720px; margin: 0 auto; padding: 24px 16px 60px; }

/* ALERTAS */
.alerta { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-weight: 600; font-size: 13px; }
.alerta-erro   { background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; }
.alerta-aviso  { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.alerta-sucesso{ background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }

/* BOTÕES */
.btn-principal { display: block; width: 100%; background: var(--primario); color: #fff; border: none; border-radius: 10px; padding: 13px 20px; font-size: 15px; font-weight: 700; font-family: 'Inter', sans-serif; cursor: pointer; text-align: center; text-decoration: none; transition: background 0.2s; margin-top: 8px; }
.btn-principal:hover { background: var(--prim-h); }
.btn-principal:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secundario { display: block; width: 100%; background: transparent; color: var(--primario); border: 2px solid var(--primario); border-radius: 10px; padding: 11px 20px; font-size: 14px; font-weight: 700; font-family: 'Inter', sans-serif; cursor: pointer; text-align: center; text-decoration: none; transition: all 0.2s; margin-top: 8px; }
.btn-secundario:hover { background: var(--bg2); }

/* ── AUTH ── */
.tela-auth { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px 16px; background: var(--bg2); }
.auth-container { width: 100%; max-width: 420px; background: var(--card); border-radius: 16px; padding: 32px 28px; box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
.auth-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.logo-icon { width: 44px; height: 44px; background: var(--primario); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 16px; flex-shrink: 0; }
.logo-nome { font-size: 15px; font-weight: 700; color: var(--text); }
.logo-curso { font-size: 12px; color: var(--text-dim); }
.abas { display: flex; border-radius: 8px; overflow: hidden; border: 1px solid var(--borda); margin-bottom: 20px; }
.aba { flex: 1; padding: 9px; background: transparent; border: none; color: var(--text-dim); font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.aba.ativa { background: var(--primario); color: #fff; }
.form-wrap { display: flex; flex-direction: column; gap: 12px; }
.campo { display: flex; flex-direction: column; gap: 5px; }
.campo label { font-size: 12px; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.4px; }
.campo input { background: var(--bg2); border: 1.5px solid var(--borda); border-radius: 8px; padding: 10px 12px; color: var(--text); font-family: 'Inter', sans-serif; font-size: 14px; outline: none; transition: border-color 0.2s; }
.campo input:focus { border-color: var(--primario); background: #fff; }

/* ── HEADER ── */
.header { background: #fff; border-bottom: 1px solid var(--borda); position: sticky; top: 0; z-index: 10; }
.header-inner { max-width: 720px; margin: 0 auto; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; }
.header-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon-sm { width: 32px; height: 32px; background: var(--primario); border-radius: 7px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 12px; flex-shrink: 0; }
.header-titulo { font-size: 15px; font-weight: 700; color: var(--text); }
.header-usuario { display: flex; align-items: center; gap: 12px; }
.usuario-nome { font-size: 14px; font-weight: 600; color: var(--text-dim); }
.btn-logout { font-size: 13px; color: var(--erro); font-weight: 600; text-decoration: none; }
.btn-voltar { font-size: 14px; color: var(--primario); font-weight: 600; text-decoration: none; }

/* ── DASHBOARD ── */
.boas-vindas { padding: 24px 0 16px; }
.boas-vindas h1 { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.boas-vindas p { color: var(--text-dim); font-size: 14px; }
.progresso-geral { background: var(--card); border: 1px solid var(--borda); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }
.progresso-geral-info { display: flex; justify-content: space-between; margin-bottom: 8px; }
.progresso-label { font-size: 13px; font-weight: 600; color: var(--text-dim); }
.progresso-pct { font-size: 13px; font-weight: 700; color: var(--primario); }
.progresso-barra-wrap { height: 8px; background: var(--bg2); border-radius: 4px; overflow: hidden; }
.progresso-barra { height: 100%; background: var(--primario); border-radius: 4px; transition: width 0.6s ease; }

/* CERTIFICADO BANNER */
.certificado-banner { background: linear-gradient(135deg, #fef9c3, #fef3c7); border: 2px solid #f59e0b; border-radius: var(--radius); padding: 16px; margin-bottom: 20px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cert-emoji { font-size: 32px; flex-shrink: 0; }
.cert-info { flex: 1; }
.cert-titulo { font-size: 15px; font-weight: 700; color: #92400e; }
.cert-sub { font-size: 13px; color: #78350f; }
.btn-certificado { background: #f59e0b; color: #fff; padding: 8px 16px; border-radius: 8px; text-decoration: none; font-size: 13px; font-weight: 700; white-space: nowrap; }

/* MÓDULOS */
.modulos-lista { display: flex; flex-direction: column; gap: 10px; }
.modulo-card { background: var(--card); border: 1.5px solid var(--borda); border-radius: var(--radius); padding: 16px; display: flex; align-items: center; gap: 14px; transition: border-color 0.2s; }
.modulo-card:hover:not(.bloqueado) { border-color: var(--primario); }
.modulo-card.aprovado { border-color: #86efac; background: #f0fdf4; }
.modulo-card.bloqueado { opacity: 0.55; }
.modulo-numero { width: 36px; height: 36px; background: var(--bg2); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 800; color: var(--text-dim); flex-shrink: 0; }
.modulo-card.aprovado .modulo-numero { background: #dcfce7; color: var(--sucesso); }
.modulo-info { flex: 1; min-width: 0; }
.modulo-titulo { font-size: 14px; font-weight: 700; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.modulo-subtitulo { font-size: 12px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.modulo-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.modulo-status { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 20px; }
.status-nao { background: #f1f5f9; color: #64748b; }
.status-andamento { background: #eff6ff; color: #1d4ed8; }
.status-aprovado { background: #f0fdf4; color: #16a34a; }
.status-reprovado { background: #fef2f2; color: #dc2626; }
.modulo-nota, .modulo-tentativas { font-size: 11px; color: var(--text-dim); }
.modulo-acao { flex-shrink: 0; }
.btn-iniciar, .btn-revisar { padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 700; text-decoration: none; display: inline-block; }
.btn-iniciar { background: var(--primario); color: #fff; }
.btn-revisar { background: transparent; color: var(--primario); border: 1.5px solid var(--primario); }
.btn-bloqueado { font-size: 20px; }

/* ── MÓDULO ── */
.modulo-header { padding: 24px 0 20px; border-bottom: 1px solid var(--borda); margin-bottom: 24px; }
.modulo-ordem-badge { display: inline-block; background: var(--primario); color: #fff; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.modulo-header h1 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.modulo-subtitulo-pg { color: var(--text-dim); font-size: 14px; }
.modulo-conteudo { margin-bottom: 32px; line-height: 1.7; }
.modulo-conteudo h2, .modulo-conteudo h3 { margin: 24px 0 10px; font-weight: 700; }
.modulo-conteudo p { margin-bottom: 12px; color: var(--text); }
.modulo-conteudo table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13px; }
.modulo-conteudo th { background: var(--bg2); padding: 8px 12px; text-align: left; font-weight: 700; border: 1px solid var(--borda); }
.modulo-conteudo td { padding: 8px 12px; border: 1px solid var(--borda); }
.modulo-conteudo .destaque { background: #eff6ff; border-left: 4px solid var(--primario); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.modulo-conteudo .aviso { background: #fffbeb; border-left: 4px solid var(--aviso); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.conteudo-placeholder { text-align: center; padding: 48px 20px; color: var(--text-dim); }
.placeholder-icone { font-size: 48px; margin-bottom: 12px; }

/* QUIZ CTA */
.quiz-cta { background: var(--card); border: 1.5px solid var(--borda); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.quiz-cta-info { flex: 1; }
.quiz-cta-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.quiz-cta-info p { font-size: 13px; color: var(--text-dim); }
.quiz-melhor-nota { color: var(--primario) !important; font-weight: 600 !important; }
.quiz-aprovado-badge { display: inline-block; background: #f0fdf4; color: var(--sucesso); font-size: 13px; font-weight: 700; padding: 4px 10px; border-radius: 20px; margin-top: 6px; }
.btn-quiz { width: auto; white-space: nowrap; }

/* ── QUIZ ── */
.tela-quiz { min-height: 100vh; }
.quiz-header { background: #fff; border-bottom: 1px solid var(--borda); padding: 12px 16px; position: sticky; top: 0; z-index: 10; }
.quiz-header-inner { max-width: 720px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.quiz-modulo-nome { font-size: 13px; font-weight: 700; color: var(--text-dim); white-space: nowrap; }
.quiz-progresso-wrap { display: flex; align-items: center; gap: 8px; flex: 1; max-width: 300px; }
.quiz-progresso-wrap span { font-size: 13px; font-weight: 700; white-space: nowrap; }
.quiz-barra-wrap { flex: 1; height: 6px; background: var(--bg2); border-radius: 3px; overflow: hidden; }
.quiz-barra { height: 100%; background: var(--primario); border-radius: 3px; transition: width 0.3s ease; }

/* INTRO */
.quiz-intro-box { max-width: 480px; margin: 60px auto; background: var(--card); border-radius: 16px; padding: 36px 32px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.quiz-intro-icone { font-size: 48px; margin-bottom: 16px; }
.quiz-intro-box h2 { font-size: 20px; font-weight: 800; margin-bottom: 12px; }
.quiz-intro-box p { font-size: 14px; color: var(--text-dim); margin-bottom: 8px; }
.quiz-aviso { color: var(--aviso) !important; font-weight: 600 !important; }
.btn-voltar-link { display: block; text-align: center; color: var(--text-dim); font-size: 13px; text-decoration: none; margin-top: 12px; }

/* QUESTÃO */
.questao-box { background: var(--card); border: 1px solid var(--borda); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.questao-tipo { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--primario); margin-bottom: 10px; }
.questao-enunciado { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 20px; }
.alternativas-lista { display: flex; flex-direction: column; gap: 8px; }
.alternativa-btn { background: var(--bg2); border: 1.5px solid var(--borda); border-radius: 10px; padding: 12px 16px; font-size: 14px; font-family: 'Inter', sans-serif; font-weight: 500; color: var(--text); text-align: left; cursor: pointer; transition: all 0.15s; }
.alternativa-btn:hover:not(:disabled) { border-color: var(--primario); background: #eff6ff; }
.alternativa-btn.selecionada { border-color: var(--primario); }
.alternativa-btn.correta { background: #f0fdf4; border-color: var(--sucesso); color: var(--sucesso); font-weight: 700; }
.alternativa-btn.errada  { background: #fef2f2; border-color: var(--erro);    color: var(--erro);    font-weight: 700; }

/* FEEDBACK */
.feedback-wrap { background: var(--card); border: 1px solid var(--borda); border-radius: var(--radius); padding: 16px; }
.feedback-icone { font-size: 24px; margin-bottom: 6px; }
.feedback-texto { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.feedback-explicacao { font-size: 13px; color: var(--text-dim); line-height: 1.5; margin-bottom: 12px; }

/* RESULTADO */
.resultado-box { max-width: 480px; margin: 40px auto; background: var(--card); border-radius: 16px; padding: 36px 28px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.resultado-icone { font-size: 56px; margin-bottom: 12px; }
.resultado-box h2 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.resultado-nota { font-size: 48px; font-weight: 800; margin: 12px 0; }
.nota-aprovado { color: var(--sucesso); }
.nota-reprovado { color: var(--erro); }
.resultado-detalhe { font-size: 14px; color: var(--text-dim); margin-bottom: 20px; }
.resultado-acoes { display: flex; flex-direction: column; gap: 8px; }

/* LOADING */
.loading-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.8); display: flex; align-items: center; justify-content: center; z-index: 100; }
.loading-spinner { width: 36px; height: 36px; border: 3px solid var(--borda); border-top-color: var(--primario); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }