/* Gradientes feitos no site https://cssgradient.io */

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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    display: grid;
    grid-template-columns: 0.9fr 2.4fr 0.7fr;
    gap: 30px;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 1400px;
    width: 100%;
    min-height: 90vh;
    align-items: center;
}

/* PAINEL LATERAL ESQUERDO */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.blocos-title {
    font-size: 13px;
    color: #4a5568;
    font-weight: bold;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    text-align: center;
}

.blocos-container {
    height: 400px; /* Mesma altura da viga-container */
    display: flex;
    flex-direction: row !important; /* Coloca um ao lado do outro */
    flex-wrap: wrap;      /*Permite quebrar linha se tiver muitos blocos */
    gap: 10px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    align-items: flex-end; /* ALINHA TODOS PELA BASE */
    justify-content: center;
    height: 520px;
    font-family: 'Arial', sans-serif;
    align-content: flex-start !important; 
    align-items: flex-end !important;
}

.bloco {
    width: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: horizontal-tb; /* Texto em pé se o bloco for muito fino */
    text-orientation: horizontal;
    border-radius: 4px;
    cursor: grab;
}

/* .linha-alvo {
    position: absolute;
    left: -10px;
    right: -10px; */
     /* Começa da base */
     /* Controlado pelo JS */
    /* border-top: 3px dashed #764ba2;
    background: rgba(118, 75, 162, 0.1);
    z-index: 1;
    pointer-events: none;
    transition: height 0.3s ease;
} */

.balao-alvo {
    position: absolute;
    right: -18vw; 
    top: 25vh;    
    background-color: #764ba2;
    color: white;
    padding: 12px 18px;
    border-radius: 9px;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(118, 75, 162, 0.3);
    transition: background-color 0.3s ease;
}

.balao-alvo::before {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    border-left: 9px solid #764ba2;
    transition: border-left-color 0.3s ease;
}

.bloco:hover {
    filter: brightness(1.2);
    transform: scale(1.01);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.bloco:active {
    cursor: grabbing;
}

/* FAMÍLIA DOS AZUIS (Múltiplos de 2: 2, 4, 8) */
.bloco-meia {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}
.bloco-um-quarto {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.bloco-um-oitavo {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* FAMÍLIA DOS QUENTES (Múltiplos de 3: 3, 6, 9) */
.bloco-um-terco {
    background: linear-gradient(135deg, #f1c40f 0%, #f39c12 100%);
}
.bloco-um-sexto {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
}
.bloco-um-nono {
    background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
}

/* FAMÍLIA DOS VERDES (Múltiplos de 5: 5, 10) */
.bloco-um-quinto {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}
.bloco-um-dez-avos {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}
/* Bloco um sétimo*/
.bloco-um-setimo {
    background: linear-gradient(135deg, #00b09b 0%, #df4dae 100%);
}


.info-blocos {
    font-size: 12px;
    color: #666;
    text-align: center;
    background: #fff;
    padding: 10px;
    border-radius: 5px;
    border-left: 3px solid #667eea;
}

/* PAINEL CENTRAL */
.center-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.titulo-principal {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.subtitulo {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}

.engenheiro {
    height: 250px;
    width: auto;
    object-fit: contain;
    margin: 10px 0;
    /* animation: bounce 2s infinite; */
    pointer-events: none;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.viga-container {
    width: 120px;
    height: 400px; 
    margin: 0 auto;
    background: #eee;
    border: 3px solid #333;
    position: relative;
    display: flex;
    flex-direction: column-reverse; /* FAZ EMPILHAR DE BAIXO PARA CIMA */
    overflow: visible !important;
}

.viga-container.over {
    background: #e8f5e9;
    border-color: #4caf50;
}

.viga-construida {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column-reverse; /* Garante que os blocos novos fiquem embaixo */
}

.bloco-colocado {
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(255,255,255,0.4);
    width: 100% !important; /* Garante que ocupe a largura da viga */
}

.bloco-colocado:hover {
    filter: brightness(1.2);
    transform: scale(1.01);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.placeholder-text {
    color: #999;
    font-size: 14px;
    text-align: center;
    width: 100%;
}


/* PAINEL DIREITO */
.right-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
}

.marcadores {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 10px;
    color: #666;
}

.marcador {
    text-align: center;
}

.botoes-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

button {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-limpar {
    background: #ff6b6b;
    color: white;
    box-shadow: 0 4px 8px rgba(255, 107, 107, 0.3);
}

.btn-limpar:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 107, 107, 0.4);
}

.btn-proxima {
    background: #51cf66;
    color: white;
    box-shadow: 0 4px 8px rgba(81, 207, 102, 0.3);
    display: none;
}

.btn-proxima:hover:not(:disabled) {
    background: #40c057;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(81, 207, 102, 0.4);
}

.btn-proxima.active {
    display: block;
}

.btn-proxima:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.placar {
    background: #f0f3ff;
    padding: 20px;
    border-radius: 12px;
    border: 2px solid #667eea;
    text-align: center;
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.1);
}

.btn-conquistas {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
    margin-top: 12px;
    width: 100%;
}

.btn-conquistas:hover {
    background: linear-gradient(135deg, #5568d3 0%, #64398b 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.placar-titulo {
    font-size: 13px;
    color: #4a5568;
    margin-bottom: 10px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.placar-valor {
    font-size: 24px;
    font-weight: 800;
    color: #764ba2;
    margin-bottom: 12px;
}
.fase-progresso-bar {
    width: 100%;
    height: 10px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.fase-progresso-fill {
    height: 100%;
    background: linear-gradient(90deg, #4299e1 0%, #667eea 50%, #764ba2 100%);
    width: 0%; /* Controlado dinamicamente pelo JS */
    border-radius: 10px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.status-mensagem {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 14px;
    display: none;
}

.status-mensagem.sucesso {
    background: #d4edda;
    color: #155724;
    border: 2px solid #28a745;
    display: block;
    animation: slideIn 0.5s ease;
}

.status-mensagem.quase {
    background: #fff3cd;
    color: #856404;
    border: 2px solid #ffc107;
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Testes de Responsividade */
/* @media (max-width: 1200px) {
    .container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .titulo-principal {
        font-size: 24px;
    }

    .tamanho-alvo-value {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .blocos-container {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .bloco {
        flex: 1;
        min-width: 100px;
    }

    .viga-construida {
        gap: 2px;
    }

    .bloco-colocado {
        font-size: 10px;
        padding: 8px 6px;
    }
} */
/* --- MODAL DE CONQUISTAS --- */
.modal-conquistas {
    display: none;
    position: fixed;
    z-index: 9998;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeInModal 0.3s ease;
}

@keyframes fadeInModal {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-conquistas-content {
    background-color: #fcffed;
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #667eea;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: slideDownModal 0.3s ease;
}

@keyframes slideDownModal {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-fechar {
    position: absolute;
    right: 20px;
    top: 20px;
    background: none;
    border: none;
    font-size: 28px;
    font-weight: bold;
    color: #764ba2;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.modal-fechar:hover {
    transform: rotate(90deg);
    color: #667eea;
}

/* --- PAINEL DE DESBLOQUEIOS GEOMÉTRICO (dentro do modal) --- */
.painel-desbloqueios {
    background: #fcffed;
    padding: 15px;
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    margin-top: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
    width: 100%;
}

.desbloqueios-titulo {
    font-size: 13px;
    color: #4a5568;
    font-weight: bold;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    text-align: center;
}

/* Força o layout em 5 colunas exatas. 10 itens criarão 2 linhas perfeitas */
.desbloqueios-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr); 
    gap: 8px;
    justify-items: center;
    width: 100%;
}

/* Itens da coleção redimensionados para caberem perfeitamente na proporção 5x2 */
.conquista-item {
    width: 100%;
    height: 200px; /* Altura ligeiramente reduzida para caber as duas linhas harmonicamente */
    border-radius: 6px;
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Estilo específico para o primeiro bloco (Inteiro Preto) */
.conquista-item.bloco-inteiro-fixo {
    background: #ffffff;
    border: 2px solid #000000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.cor-inteiro-preto {
    background: #1a1a1a !important; /* Cor preta sólida para o bloco */
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.4);
}

.texto-inteiro-fixo {
    font-size: 35px;
    font-weight: 900;
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.6);
}

/* Estilo do bloco trancado (?) */
.conquista-item.bloqueado {
    background: #edf2f7;
    border: 2px dashed #cbd5e0;
}

.conquista-item.bloqueado .ponto-interrogacao {
    font-size: 20px;
    font-weight: bold;
    color: #a0aec0;
}

/* Estilo do bloco descoberto */
.conquista-item.descoberto {
    background: #ffffff;
    border: 2px solid #2d3748;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Estrutura vertical interna */
.mini-inteiro-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mini-bloco-divisao {
    flex: 1 1 0%; /* Força todas as fatias a terem rigorosamente o mesmo tamanho proporcional */
    min-height: 0;  /* Permite que o flex encolha o elemento abaixo do seu conteúdo padrão */
    display: flex;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
}

.mini-texto-wrapper {
    transform: scale(0.75); /* Diminuído para 0.75 para caber bem nos blocos menores */
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

/* Ajuste das Frações Internas */
.mini-bloco-divisao .fracao-estilizada {
    display: inline-flex !important;
    flex-direction: column !important;
    align-items: center !important;
    line-height: 0.85 !important;
    font-size: 25px !important; /* Tamanho adaptado para o novo grid */
    font-weight: bold !important;
    color: #000000 !important;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}

.mini-bloco-divisao .fracao-estilizada .numerador {
    border-bottom: 1px solid #000000 !important;
    padding-bottom: 1px !important;
}

/* Ajuste extra para frações densas (como 1/6 a 1/10) não quebrarem a linha */
.mini-inteiro-container:has(.mini-bloco-divisao:nth-child(5)) .fracao-estilizada {
    font-size: 16px !important;
    line-height: 0.8 !important;
}

@keyframes popIn {
    0% { transform: scale(0.6); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Estilo para a fração empilhada */
.fracao-estilizada {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    line-height: 1.1;
    font-size: 1.4rem; /* Aumenta o tamanho  */
    font-weight: 800;  /* Deixa em negrito bem forte */
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2); /* Sombra leve para destacar no gradiente */
}

.bloco-um-dez-avos .fracao-estilizada,
.bloco-um-nono .fracao-estilizada {
    font-size: 1.1rem;
}

.numerador {
    border-bottom: 2px solid currentColor; /* Linha da fração */
    padding: 0 2px;
}

.denominador {
    padding: 0 2px;
}

/* Estilo para o resultado da soma acima da viga */
.total-viga-flutuante {
    position: absolute;
    top: -80px; /* Empurra para cima, fora da borda da viga */
    left: 50%;
    transform: translateX(-50%); /* Centraliza perfeitamente */
    width: 100px;
    text-align: center;
    background-color: white;
    padding: 5px;
    border-radius: 8px;
    border: 2px solid #764ba2;
    color: #333;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 100;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}
/* Efeito de brilho quando atinge o alvo exato - DESABILITADO */
/* .linha-alvo.alvo-atingido {
    border-top: 4px solid #51cf66; 
    background: rgba(81, 207, 102, 0.3);
    box-shadow: 0 0 15px #51cf66;
    animation: pulse-green 1.5s infinite;
}

.linha-alvo.alvo-atingido .balao-alvo {
    background-color: #40c057;
    box-shadow: 0 2px 10px rgba(64, 192, 87, 0.4);
}
.linha-alvo.alvo-atingido .balao-alvo::before {
    border-right-color: #40c057;
} */

/* Pequeno ajuste para as frações ficarem bem legíveis dentro do balão */
.balao-alvo .fracao-estilizada {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    line-height: 1;
    font-size: 22px;
    margin-left: 2px;
}

.balao-alvo .fracao-estilizada .numerador {
    border-bottom: 1px solid white;
    padding-bottom: 1px;
}
@keyframes pulse-green {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Efeito de viga sobrecarregada (passou de 1) */
.viga-container.sobrecarga {
    border: 4px solid #ff0000 !important;
    background-color: #ffeaea;
    box-shadow: inset 0 0 20px rgba(255, 0, 0, 0.2);
    animation: shake 0.2s ease-in-out 0s 2;
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
    100% { transform: translateX(0); }
}

/* Adicione ou ajuste estas regras */
.blocos-container {
    display: flex;
    flex-direction: row; 
    flex-wrap: wrap;      
    gap: 15px; /* Aumentado para parecerem peças soltas */
    background: #f0f0f0;
    padding: 20px;
    border-radius: 10px;
    align-items: flex-end; 
    justify-content: center;
    min-height: 520px;
    height: 520px;
    font-family: 'Arial', sans-serif;
    border: 2px dashed #ccc; /* Visual de "caixa de peças" */
}

.bloco {
    transition: transform 0.2s;
    box-shadow: 0 4px 0 rgba(0,0,0,0.2); /* Efeito 3D de peça */
}

.bloco:active {
    cursor: grabbing;
    transform: scale(1.1);
}
/* Classe para o bloco que já foi usado e está na viga */

.bloco.usado {
    background-color: #e0e0e0 !important; /* Cor cinza sólida */
    background-image: none !important;    /* REMOVE o gradiente colorido */
    border: 2px dashed #bbb !important;
    opacity: 0.5 !important;
    cursor: default !important;
    pointer-events: none;
    box-shadow: none !important;
    transform: none !important;
}

.bloco.usado .fracao-estilizada {
    display: none !important; /* Garante que o texto suma */
}

/* --- SISTEMA DE TUTORIAL --- */
.tutorial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9997;
    display: none;
    pointer-events: none;   /* ⬅️ Permite interagir com o que está atrás */
}

.tutorial-destaque {
    position: relative !important;
    z-index: 9999 !important;
    pointer-events: auto !important; /* Libera a viga para aceitar o mouse e o drag */
    background-color: #ffffff !important; /* Faz a coluna "acender" visualmente */
    box-shadow: 0 0 30px rgba(255, 255, 255, 1) !important;
}

/* Garante que o resto dos elementos fiquem travados enquanto o tutorial estiver ativo */
body:has(.tutorial-overlay[style*="display: block"]) button:not(#tutorial-btn),
body:has(.tutorial-overlay[style*="display: block"]) .bloco:not(.tutorial-destaque) {
    pointer-events: none !important;
    cursor: not-allowed !important;
}

.tutorial-balao {
    position: fixed;
    z-index: 10001;
    background: white;
    color: #333;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.6);
    display: none;
    flex-direction: column;
    gap: 15px;
    font-family: 'Arial', sans-serif;
    border: 4px solid #764ba2;
    width: 90%;
    max-width: 600px;
    max-height: 60vh;
    overflow-y: auto;
    font-size: 14px;
}

.tutorial-balao p {
    font-size: 18px;
    line-height: 1.6;
    font-weight: bold;
    margin: 0;
}

#tutorial-btn {
    background: #764ba2;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    align-self: flex-end;
    text-transform: none;
    font-size: 13px;
    border: none;
    cursor: pointer;
    z-index: 10003;
}

#tutorial-btn:hover {
    background: #654b92;
}

.tutorial-mao {
    position: fixed;
    z-index: 10002;
    font-size: 50px;
    display: none;
    pointer-events: none;
    transform-origin: top left;
}

/* Animações */
@keyframes piscar-bloco {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.05); filter: brightness(1.4); box-shadow: 0 0 20px #3498db; }
}

.bloco-piscar {
    animation: piscar-bloco 1.2s infinite ease-in-out;
}

@keyframes arrastar-mao {
    0% {
        top: var(--start-y);
        left: var(--start-left);
        content: "🫳";
    }
    30% {
        content: "✊";
    }
    70% {
        top: var(--end-y);
        left: var(--end-left);
        content: "✊";
    }
    100% {
        top: var(--end-y);
        left: var(--end-left);
        content: "🫳";
        opacity: 0;
    }
}

.mao-animando {
    animation: arrastar-mao 2.5s infinite ease-in-out;
}

/* Container da Álgebra ao lado da viga */
.tutorial-algebra {
    position: absolute;
    pointer-events: auto;
    left: calc(100% + 20px);
    top: 50%;
    transform: translateY(-50%);
    background: #ffffff;
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    border: 3px solid #2bc48a;
    font-size: 22px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
    z-index: 10000;
    display: none; /* Ativado via JS */
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    from { transform: translateY(-50%) scale(0.8); opacity: 0; }
    to { transform: translateY(-50%) scale(1); opacity: 1; }
}

.conquista-brilho-tutorial {
    animation: pulseGold 1.5s infinite alternate !important;
    border: 4px solid #ffd700 !important;
    box-shadow: 0 0 30px #ffd700 !important;
    transform: scale(1.05);
    z-index: 10001 !important;
}

@keyframes pulseGold {
    0% { filter: brightness(1); }
    100% { filter: brightness(1.3); }
}

/* Modal de Conquistas com destaque durante o tutorial */
#modal-conquistas.tutorial-destaque {
    background-color: rgba(0, 0, 0, 0.3) !important;
}

#modal-conquistas.tutorial-destaque .modal-conquistas-content {
    box-shadow: 0 0 50px #764ba2, 0 10px 40px rgba(0, 0, 0, 0.3) !important;
    border-color: #ffd700 !important;
    animation: modalPulse 1.5s infinite alternate;
}

@keyframes modalPulse {
    from {
        box-shadow: 0 0 50px #764ba2, 0 10px 40px rgba(0, 0, 0, 0.3);
    }
    to {
        box-shadow: 0 0 80px #764ba2, 0 15px 50px rgba(0, 0, 0, 0.4);
    }
}

html, body, .container {
    scroll-behavior: smooth; /* Permite o deslize suave da câmara */
}

.soma-algebrica-container {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: sans-serif;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.expressao-algebrica {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: bold;
}

.operador {
    color: #764ba2;
    font-size: 20px;
    padding: 0 4px;
}

.resultado-soma {
    color: #2bc48a;
    font-size: 22px;
}

.soma-vazia {
    color: #999;
    font-style: italic;
}

/* --- BOTÃO VALIDAR --- */
.btn-validar {
    background: #51cf66;
    color: white;
    box-shadow: 0 4px 8px rgba(81, 207, 102, 0.3);
    width: 30%;
}

.btn-validar:hover {
    background: #40c057;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(81, 207, 102, 0.4);
}

.btn-limpar-validacao {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
    flex: 1;
}

.btn-limpar-validacao:hover {
    background: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 107, 107, 0.4);
}

/* --- MODAL DE VALIDAÇÃO --- */
.modal-validacao {
    display: none;
    position: fixed;
    z-index: 9998;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeInModal 0.3s ease;
}

.modal-validacao-content {
    background-color: #fcffed;
    margin: 5% auto;
    padding: 40px 30px;
    border-radius: 15px;
    border: 2px solid #667eea;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    position: relative;
    animation: slideDownModal 0.3s ease;
}

.validacao-titulo {
    font-size: 20px;
    color: #333;
    font-weight: bold;
    margin-bottom: 30px;
    text-align: center;
}

.validacao-soma {
    background: #f8f9fa;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    text-align: center;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.validacao-expressao {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    font-size: 22px;
    font-weight: bold;
    color: #333;
}

.validacao-resultado {
    text-align: center;
    margin-bottom: 30px;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.validacao-check {
    font-size: 60px;
    margin-bottom: 10px;
    animation: checkPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.validacao-mensagem {
    font-size: 18px;
    font-weight: bold;
    color: #2bc48a;
}

.validacao-error {
    color: #ff6b6b;
}

@keyframes checkPop {
    0% { transform: scale(0) rotate(-45deg); opacity: 0; }
    100% { transform: scale(1) rotate(0); opacity: 1; }
}

.validacao-botoes {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.validacao-botoes .btn-proxima {
    display: block;
    flex: 1;
}

.validacao-botoes .btn-limpar-validacao {
    display: none;
}

.validacao-botoes .btn-limpar-validacao.show {
    display: block !important;
}