:root {
    --bg: #f8f1e5;
    --bg-soft: #fffaf2;
    --text: #2b2118;
    --primary: #6e1423;
    --primary-dark: #4b0d18;
    --gold: #d4a017;
    --gold-light: #f0cf67;
    --success: #4c7a3e;
    --danger: #b23a2e;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0,0,0,0.14);
    --radius: 20px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Poppins', sans-serif;
    background:
        radial-gradient(circle at top right, rgba(212,160,23,0.18), transparent 22%),
        linear-gradient(180deg, #fbf5eb 0%, var(--bg) 100%);
    color: var(--text);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.topo {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary));
    color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 20;
}

.topo-conteudo {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 14px 24px;
}

.logo-link { display: flex; align-items: center; gap: 14px; }
.logo-img { width: 54px; height: 54px; object-fit: contain; border-radius: 50%; background: rgba(255,255,255,0.1); padding: 4px; }
.logo-texto { font-family: 'Cinzel', serif; font-size: 1.1rem; }
.nav-principal { display: flex; gap: 18px; flex-wrap: wrap; }
.nav-principal a { color: rgba(255,255,255,0.92); font-weight: 600; }
.nav-principal a:hover { color: var(--gold-light); }

.conteudo-principal { max-width: 1100px; margin: 0 auto; padding: 40px 20px 60px; }

.ecra-boas-vindas, .ecra-jogo, .ecra-fim, .ecra-ranking { display: flex; justify-content: center; align-items: center; }

.cartao-boas-vindas, .cartao-pergunta, .cartao-fim, .cartao-ranking {
    width: 100%;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(110,20,35,0.08);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cartao-boas-vindas { max-width: 760px; padding: 44px 34px; text-align: center; }

h1 { font-family: 'Cinzel', serif; color: var(--primary); margin-top: 0; margin-bottom: 14px; font-size: 2.2rem; }
.subtitulo { color: #5b4c3f; font-size: 1.05rem; margin-bottom: 24px; }

.form-registo { display: flex; flex-direction: column; gap: 14px; max-width: 440px; margin: 0 auto 24px; text-align: left; }
.form-registo label { font-weight: 600; color: var(--primary-dark); }
.form-registo input { border: 2px solid rgba(110,20,35,0.12); border-radius: 14px; padding: 14px 16px; font-size: 1rem; background: var(--bg-soft); }
.form-registo input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 4px rgba(212,160,23,0.18); }

.btn-primario, .btn-secundario {
    display: inline-flex; justify-content: center; align-items: center; gap: 8px;
    padding: 14px 22px; border-radius: 14px; font-weight: 700;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
    border: 0; cursor: pointer;
}
.btn-primario { background: linear-gradient(90deg, var(--primary), #8d2033); color: var(--white); box-shadow: 0 8px 18px rgba(110,20,35,0.24); }
.btn-secundario { background: linear-gradient(90deg, var(--gold), var(--gold-light)); color: #3c2a00; }
.btn-primario:hover, .btn-secundario:hover, .opcao-btn:hover { transform: translateY(-2px); }

.alerta-erro { background: rgba(178,58,46,0.12); color: #7c231b; border: 1px solid rgba(178,58,46,0.16); padding: 12px 14px; border-radius: 14px; margin-bottom: 18px; }

.info-rapida { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.info-item { background: linear-gradient(180deg, #fff, #faf2e2); border-radius: 16px; padding: 20px 16px; border: 1px solid rgba(212,160,23,0.18); }
.info-numero, .info-numero-link { display: block; font-size: 2rem; font-weight: 700; color: var(--primary); }
.info-label { display: block; margin-top: 8px; color: #68574a; }

.barra-progresso-container { width: 100%; max-width: 900px; margin-bottom: 20px; }
.info-jogo { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-weight: 600; margin-bottom: 10px; color: var(--primary-dark); }
.barra-tempo { width: 100%; height: 16px; border-radius: 99px; background: rgba(110,20,35,0.1); overflow: hidden; }
.barra-tempo-interior { width: 100%; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); transition: width 0.1s linear; }

.cartao-pergunta { max-width: 900px; padding: 34px 28px; }
.texto-pergunta { font-size: 1.45rem; line-height: 1.5; margin: 0 0 26px; color: var(--primary-dark); font-weight: 700; }
.opcoes-container { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.opcao-btn {
    background: linear-gradient(180deg, #fff, #fff8ec);
    border: 2px solid rgba(110,20,35,0.08);
    color: var(--text);
    border-radius: 18px; padding: 18px; text-align: left;
    display: flex; align-items: center; gap: 14px;
    cursor: pointer; transition: all 0.18s ease; min-height: 94px;
}
.opcao-btn:disabled { cursor: default; opacity: 0.96; }
.opcao-btn.selecionada { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(212,160,23,0.16); }
.opcao-btn.correta { border-color: var(--success); background: rgba(76,122,62,0.12); }

.opcao-letra {
    width: 42px; height: 42px; border-radius: 50%;
    display: inline-flex; justify-content: center; align-items: center;
    background: linear-gradient(180deg, var(--primary), #8d2033);
    color: var(--white); font-weight: 700; flex-shrink: 0;
}
.opcao-texto { font-size: 1rem; line-height: 1.45; }

.feedback-resposta { margin-top: 22px; padding: 16px 18px; border-radius: 16px; font-weight: 600; }
.feedback-resposta.certo { background: rgba(76,122,62,0.12); color: #234d18; border: 1px solid rgba(76,122,62,0.18); }
.feedback-resposta.errado { background: rgba(178,58,46,0.12); color: #7c231b; border: 1px solid rgba(178,58,46,0.18); }

.grade-resultados { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 30px 0; }
.resultado-box { padding: 22px 18px; background: linear-gradient(180deg, #fff, #faf2e2); border-radius: 18px; border: 1px solid rgba(212,160,23,0.18); text-align: center; }
.resultado-numero { display: block; font-size: 2rem; font-weight: 700; color: var(--primary); }
.resultado-label { display: block; margin-top: 8px; color: #6e5c4d; }

.acoes-finais { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.cartao-fim, .cartao-ranking { max-width: 900px; padding: 36px 30px; }
.tabela-wrap { overflow-x: auto; }

.tabela-ranking { width: 100%; border-collapse: collapse; margin-top: 20px; background: #fffdf9; border-radius: 18px; overflow: hidden; }
.tabela-ranking th, .tabela-ranking td { padding: 14px 14px; border-bottom: 1px solid rgba(110,20,35,0.08); text-align: center; }
.tabela-ranking th { background: linear-gradient(90deg, var(--primary), #8d2033); color: var(--white); }
.tabela-ranking tbody tr:nth-child(even) { background: #fff7ea; }
.tabela-ranking tr.top3 { background: rgba(212,160,23,0.13) !important; font-weight: 600; }

.loading { text-align: center; padding: 24px; color: var(--primary); font-weight: 700; }
.rodape { text-align: center; padding: 30px 20px 40px; color: #665547; }
.rodape a { color: var(--primary); font-weight: 600; }

@media (max-width: 860px) {
    .opcoes-container, .grade-resultados, .info-rapida { grid-template-columns: 1fr; }
    .topo-conteudo { flex-direction: column; align-items: flex-start; }
    .cartao-boas-vindas, .cartao-pergunta, .cartao-fim, .cartao-ranking { padding: 26px 18px; }
    .texto-pergunta { font-size: 1.2rem; }
}