/* style.css */
:root {
    /* ... (suas variáveis CSS permanecem as mesmas) ... */
    --color-black: #000000;
    --color-darkest-gray: #1a1a1a;
    --color-dark-gray: #2c2c2c;
    --color-medium-gray: #555555;
    --color-light-gray: #888888;
    --color-lighter-gray: #cccccc;
    --color-lightest-gray: #f0f0f0;
    --color-off-white: #f7f9fa;
    --color-white: #ffffff;
    --text-primary: var(--color-dark-gray);
    --text-secondary: var(--color-medium-gray);
    --text-on-dark: var(--color-lightest-gray); 
    --bg-primary: var(--color-white);
    --bg-dark: var(--color-darkest-gray); 
    --button-bg: var(--color-dark-gray);
    --button-text: var(--color-white);
    --button-hover-bg: var(--color-black);
    --border-color: var(--color-lighter-gray);
    --text-accent: #007bff; 
    --color-danger: #e74c3c;
    --color-success: #2ecc71;
    --color-info: #3498db;
}

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

html {
    font-size: 16px;
}

body { 
    font-family: 'Acephimere Regular', 'Helvetica Neue', Arial, sans-serif; 
    background-color: #f4f7f6; 
    color: var(--text-primary); 
    line-height: 1.6; 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh; 
    overflow-x: hidden; 
}

/* Cabeçalho */
.tool-header { 
    background-color: var(--color-white); 
    padding: 10px 15px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.07); 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    width: 100%;
}
.tool-header .header-back-link { /* Estilo padrão para links de voltar no header */
    color: var(--text-primary); 
    text-decoration: none; 
    font-size: 0.85em; 
    padding: 8px 10px; 
    border-radius: 4px; 
    transition: background-color 0.3s; 
    margin-right: 10px; /* Espaço à direita se houver algo depois */
    display: inline-flex; /* Para alinhar ícone e texto */
    align-items: center;
}
.tool-header .header-back-link:hover { background-color: var(--color-off-white); }
.tool-header .header-back-link i { margin-right: 5px; }

/* AJUSTE 2: Logo no header centralizado */
.tool-header .logo-container { 
    flex-grow: 1; 
    display: flex; /* Adicionado */
    justify-content: center; /* Adicionado para centralizar o link da logo */
}
.tool-header .logo-link { display: inline-block; line-height: 0; } /* Mantido */
.tool-header .logo-link img { height: 35px; width: auto; max-height: 35px; }

.tool-header .header-spacer { /* Para manter o equilíbrio se o link da esquerda existir */
    min-width: 80px; /* Ajuste conforme a largura do seu link de voltar */
    visibility: hidden; 
}
/* Se o link de voltar da direita (header-spacer) for realmente usado e visível, remova visibility:hidden e ajuste o min-width */


/* Container Principal */
.container { 
    width: 100%;
    max-width: 900px; 
    margin: 15px auto; 
    padding: 15px;  
    background-color: var(--color-white); 
    border-radius: 8px; 
    box-shadow: 0 3px 10px rgba(0,0,0,0.08); 
    flex-grow: 1; 
}

/* AJUSTE 1: Estilo para o link "Voltar para Ferramentas" dentro do .container */
.container > .back-link-form { 
    display: inline-flex; /* Similar ao do header */
    align-items: center;
    margin-bottom: 20px; 
    color: var(--text-primary); 
    text-decoration: none; 
    font-size: 0.85em; 
    padding: 8px 10px; 
    border-radius: 4px;
    transition: background-color 0.3s;
}
.container > .back-link-form:hover { 
    background-color: var(--color-off-white);
    text-decoration: none; /* Remover sublinhado no hover se preferir */
}
.container > .back-link-form i { margin-right: 5px; }


/* Títulos */
h1, h2, h3 { color: var(--color-darkest-gray); margin-bottom: 0.6em; line-height: 1.3;}
h1 { text-align: center; font-size: 1.6em; margin-bottom: 0.8em;}
h2 { font-size: 1.3em; margin-top: 1.5em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; margin-bottom: 1em;}
h3 { font-size: 1.1em; margin-top: 1.2em; margin-bottom: 0.5em; color: var(--color-dark-gray); }
.explanation-text h3 { font-size: 1.1em; margin-top: 1em; margin-bottom: 0.5em; color: var(--color-dark-gray); } /* Ajuste para consistência */


/* Seções do Formulário */
.form-section { margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px dashed var(--color-lighter-gray); }
.form-section:last-of-type { border-bottom: none; margin-bottom: 0; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 15px; } 
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 6px; font-weight: 600; font-size: 0.9em; }
.form-group input[type="number"], 
.form-group input[type="text"], 
.form-group input[type="date"], 
.form-group select, 
.form-group textarea { padding: 10px; border: 1px solid var(--border-color); border-radius: 5px; font-size: 0.95em; width: 100%; font-family: inherit; background-color: white; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-dark-gray); box-shadow: 0 0 0 2px rgba(44, 44, 44, 0.2); }
.form-group .input-hint { font-size: 0.75em; color: var(--color-light-gray); margin-top: 3px; }

/* Botões */
.calculate-button, .add-item-btn {display: block; width: 100%; max-width: 300px; margin: 20px auto; padding: 12px 20px; font-size: 1em; font-weight: bold; cursor: pointer; transition: background-color 0.3s; font-family: inherit; border-radius: 5px; border: none; text-align: center;}
.calculate-button {background-color: var(--button-bg); color: var(--button-text); }
.calculate-button:hover { background-color: var(--button-hover-bg); }
.add-item-btn {background-color: var(--color-info); color: white; margin-top: 10px; margin-bottom: 10px;}
.remove-item-btn { padding: 8px 10px; background-color: var(--color-danger); color: white; border: none; border-radius: 5px; cursor: pointer; font-size: 0.8em; line-height:1; align-self: center; }

/* Itens Dinâmicos (Unidades, Parcelas) */
.dynamic-list-item { display: flex; flex-wrap: wrap; gap: 10px; padding: 10px; border: 1px dashed var(--color-lighter-gray); margin-bottom: 10px; border-radius: 4px; }
.dynamic-list-item .form-group { margin-bottom: 0; flex-grow: 1; min-width: calc(50% - 5px); }
.dynamic-list-item .remove-item-btn {flex-shrink: 0; margin-left: auto; align-self: flex-end; }

/* AJUSTE 3: Inputs da seção "Unidades do Empreendimento" */
#unitsContainer .dynamic-list-item .form-group {
    min-width: 150px; /* Um tamanho base razoável */
    flex-basis: 0; /* Permite que flex-grow funcione melhor para distribuir espaço */
}
#unitsContainer .dynamic-list-item .form-group input[name="unitName[]"] {
    /* Se precisar de um tamanho específico para o nome */
}
#unitsContainer .dynamic-list-item .form-group input[name="unitArea[]"] {
    max-width: 120px; /* Exemplo de limitação */
}
#unitsContainer .dynamic-list-item .form-group input[name="unitQuantity[]"] {
    max-width: 100px; /* Exemplo de limitação */
}


.installments-list-item { display: grid; grid-template-columns: 1fr; gap: 10px; align-items: flex-end; padding: 8px; border: 1px solid var(--color-lightest-gray); margin-bottom: 8px; border-radius: 4px; }
.installments-list-item .form-group { margin-bottom: 0; }
.installments-list-item .remove-item-btn { width: 100%; margin-top: 10px; }

.installments-summary { font-size: 0.85em; margin-top: 8px; padding: 8px; border-radius: 4px; }
.installments-summary.total-ok { background-color: #e8f5e9; color: var(--color-success); border: 1px solid var(--color-success); }
.installments-summary.total-mismatch { background-color: #ffebee; color: var(--color-danger); border: 1px solid var(--color-danger); font-weight: bold; }

.parcela-ref-group { display:flex; gap: 10px; align-items:center; margin-bottom:10px;}
.parcela-ref-group select {flex-grow:1;}
.section-total-summary { text-align: right; font-weight: bold; margin-top: 10px; padding: 5px; background-color: var(--color-off-white); border-top: 1px solid var(--border-color); font-size: 0.9em;}
.validation-warning { background-color: #fff3cd; color: #856404; border: 1px solid #ffeeba; padding: 15px; margin-bottom: 20px; border-radius: 5px; text-align: left; font-size: 0.9em;}
.validation-warning ul { margin-top: 5px; padding-left: 20px;}

/* Área de Resultados */
#resultsArea { margin-top: 25px; padding: 15px; background-color: var(--color-off-white); border: 1px solid var(--border-color); border-radius: 8px; display: none; overflow-x: hidden; }
#resultsArea h2 { font-size: 1.3em; margin-top: 0; text-align: left; }
#resultsArea h3 { font-size: 1.1em; margin-top: 1em; color: var(--text-accent); margin-bottom: 0.5em; }
#resultsArea p { margin-bottom: 5px; font-size: 0.9em; line-height: 1.4;}
.result-section { margin-bottom: 15px; padding-bottom:10px; border-bottom: 1px dashed var(--color-lighter-gray); }
.result-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0;}

.summary-metric { font-size: 0.95em !important; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; padding: 4px 0; margin-bottom: 6px !important; border-bottom: 1px dotted #efefef;}
.summary-metric:last-of-type { border-bottom: none; }
.summary-metric strong:first-child { font-size: 0.9em; color: var(--text-secondary); font-weight: normal; margin-right: 5px; flex-basis: auto; }
.summary-metric span, 
.summary-metric strong:not(:first-child) { font-size: 0.95em; font-weight: bold; color: var(--text-primary); text-align: right; flex-grow: 1; }

/* AJUSTE 5: Destaque para TIR */
#resTirAnual {
    font-size: 1.1em !important; /* Maior */
    color: var(--color-success) !important; /* Cor de destaque */
}
#resTirAnual strong { /* Se o valor da TIR estiver dentro de um <strong> aninhado */
    font-size: inherit !important;
    color: inherit !important;
}


.sub-costs { padding-left: 15px; margin: 5px 0 8px 0; border-left: 2px solid var(--color-lighter-gray); }
.sub-costs p { font-size: 0.85em; margin-bottom: 3px; display: flex; justify-content: space-between; }
.sub-costs p strong { font-weight: normal; color: var(--text-secondary); font-size: 1em; }
.sub-costs p span { font-weight: bold; color: var(--text-primary); font-size: 1em; }

/* AJUSTE 4: Alinhar valor de Custo Construção à direita */
#resCustoM2Construcao {
    /* Se o span do /m² estiver separado, pode ser necessário um wrapper ou ajustar o flex do pai.
       Assumindo que #resCustoConstrucao é o valor principal e #resCustoM2Construcao é o /m² */
}
/* Para garantir que o span do valor principal dentro de "Custos Construção" se alinhe à direita */
#resSubCostsContainer p:nth-child(3) span:first-of-type { /* O span que contém o valor R$ de Custo Construção */
    text-align: right;
    flex-grow: 1; /* Para empurrar o (/m²) para o lado, se estiverem no mesmo p */
}
/* Se o (/m²) estiver atrapalhando, uma estrutura HTML mais granular pode ser necessária para esse item específico */
/* Exemplo de estrutura HTML que facilitaria:
<p>
    <strong>Custos Construção:</strong> 
    <span><span id="resCustoConstrucao">R$ XXX</span> (<span id="resCustoM2Construcao">YYY</span>/m²)</span>
</p>
Nesse caso, o span externo já estaria alinhado pela regra geral de .summary-metric span
*/


/* Tabela Responsiva */
.table-container { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-top: 10px; border: 1px solid var(--border-color); }
#fluxoCaixaTable { width: 100%; min-width: 800px; border-collapse: collapse; font-size: 0.8em; }
#fluxoCaixaTable th, #fluxoCaixaTable td { border: 1px solid var(--border-color); padding: 5px; text-align: left; white-space: nowrap; }
#fluxoCaixaTable th { background-color: var(--color-off-white); font-weight: 600; position: sticky; top: 0; z-index: 1;}
#fluxoCaixaTable td:nth-child(3), #fluxoCaixaTable td:nth-child(10), #fluxoCaixaTable td:nth-child(11) { font-weight: bold; }
#fluxoCaixaTable td:nth-child(n+3) { text-align: right; } 

/* Gráfico */
#fluxoCaixaChartContainer { width:100%; min-height:250px; max-height: 350px; background:var(--color-off-white); padding:10px; border-radius:5px; margin-top: 15px; position: relative; }

/* Botões de Ação (Salvar/Carregar/Exportar) */
.form-actions {display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; padding-bottom:15px; border-bottom: 1px dashed var(--color-lighter-gray);}
.form-actions:last-of-type { border-bottom: none; }
.form-actions .add-item-btn { flex-grow: 1; max-width: 280px; margin: 0; }
#exportReportBtn, #exportCsvBtn { display: none; background-color: var(--color-success); }
#exportCsvBtn { background-color: var(--color-info); }

/* Textos de Explicação e Rodapé */
.explanation-text { margin-top: 25px; }
.explanation-text p, .explanation-text ul li, .explanation-text ol li { font-size:0.9em; margin-bottom: 0.6em;}
.explanation-text ul, .explanation-text ol { margin-left: 15px; }

/* AJUSTE 6: Footer */
.tool-footer { 
    background-color: var(--bg-dark); /* Cor escura */
    color: var(--color-light-gray); /* Texto em cinza */
    text-align: center; 
    padding: 25px 15px; /* Padding ajustado */
    margin-top: 30px; 
}
.tool-footer p { 
    margin-bottom: 8px; 
    font-size: 0.85em; 
}
.tool-footer a { 
    color: var(--color-white); /* Links em branco */
    text-decoration: underline; 
}
.tool-footer a:hover { 
    color: var(--color-lightest-gray); /* Um pouco mais suave no hover */
    text-decoration: none;
}


/* --- Media Queries Específicas para Melhorias --- */
@media (min-width: 601px) {
    .form-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
    .installments-list-item { grid-template-columns: 1fr 1fr auto; }
    .installments-list-item .remove-item-btn { width: auto; margin-top: 0; }
}

@media (max-width: 768px) {
    .tool-header .logo-container { text-align: center; } /* Garante centralização mesmo se o spacer for removido */
    .tool-header .header-spacer { display: none; }
    h1 { font-size: 1.5em; } 
    h2 { font-size: 1.3em; }
    h3 { font-size: 1.1em; }

    #resultsArea .summary-metric {font-size: 0.95em !important; flex-direction: column; align-items: flex-start; border-bottom: 1px dotted var(--color-lighter-gray); padding-bottom: 8px;}
    #resultsArea .summary-metric strong:first-child { font-size: 0.9em; margin-bottom: 2px; color: var(--text-secondary); font-weight: normal;}
    #resultsArea .summary-metric span, #resultsArea .summary-metric strong:not(:first-child) { font-size: 1em; padding-left: 0; font-weight: bold; color: var(--text-primary); text-align: left;}
    #resultsArea .sub-costs { padding-left: 10px; margin-top: 3px; margin-bottom: 8px;}
    #resultsArea .sub-costs p { font-size: 0.85em; margin-bottom: 2px;}
    #resultsArea .sub-costs p strong { font-size: 1em; }
    #resultsArea .sub-costs p span { font-size: 1em; }
    #resultsArea h3 { font-size: 1.15em; }
    #fluxoCaixaTable th, #fluxoCaixaTable td { padding: 5px; font-size: 0.75em;}
    #fluxoCaixaChartContainer { min-height: 280px; }
    .form-actions { flex-direction: column; align-items: center;}
    .form-actions button, .form-actions .add-item-btn { font-size: 0.95em; padding: 12px 18px; width: 100%; max-width: 300px; margin-bottom: 10px !important;}
    #exportReportBtn, #exportCsvBtn {width: 100%; max-width: 300px; margin-left: 0; }
}

@media (max-width: 600px) {
    .tool-header { padding: 8px 10px; }
    .tool-header .logo-link img { height: 30px; max-height: 30px; }
    .tool-header .header-back-link { font-size: 0.8em; padding: 6px 8px; margin-right: 5px;}
    .container { margin: 10px auto; padding: 10px; }
    h1 { font-size: 1.4em; } 
    h2 { font-size: 1.2em; margin-top: 1.2em; margin-bottom: 0.8em;}
    h3 { font-size: 1.05em; margin-top: 1em; margin-bottom: 0.4em;}
    .form-group label { font-size: 0.85em; margin-bottom: 4px;}
    .form-group input, .form-group select, .form-group textarea { font-size: 0.9em; padding: 8px;}
    .form-group .input-hint { font-size: 0.7em; }
    .calculate-button, .add-item-btn { padding: 10px 15px; font-size: 0.95em;}
    #resultsArea { padding: 10px; }
    #resultsArea h2 { font-size: 1.15em; }
    #resultsArea h3 { font-size: 1.05em; margin-top: 10px; }
    #resultsArea p { font-size: 0.85em; }
    .summary-metric strong:first-child { font-size: 0.85em; }
    .summary-metric span, .summary-metric strong:not(:first-child) { font-size: 0.9em; }
    .sub-costs p { font-size: 0.8em; }
    #fluxoCaixaTable th, #fluxoCaixaTable td { font-size: 0.7em; padding: 3px;}
    #fluxoCaixaChartContainer { min-height: 220px; }
}