/* === FDE V2.4 THEME - Final Features === */

/* 1. VARIÁVEIS E CONFIGURAÇÕES GLOBAIS */
:root { /* ... (sem mudanças aqui) ... */ }
:root { --bg-deep: #21262d; --bg-surface: #30363d; --border-color: #444c56; --text-primary: #c9d1d9; --text-secondary: #8b949e; --accent-blue: #58a6ff; --accent-green: #3fb950; --shadow-color: rgba(0, 0, 0, 0.4); --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; --border-radius: 8px; }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-family); background-color: var(--bg-deep); color: var(--text-primary); line-height: 1.6; font-size: 16px; display: flex; flex-direction: column; min-height: 100vh; }
.container { width: 100%; margin: 0 auto; padding: 1rem 2rem; }
main { flex-grow: 1; }

/* 2. CABEÇALHO E NAVEGAÇÃO */
.main-header { background-color: var(--bg-surface); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; }
.main-header .container { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding-top: 0.5rem; padding-bottom: 0.5rem; }
.logo-link { grid-column: 1 / 2; justify-self: start; text-decoration: none; color: inherit; }
.logo { display: flex; align-items: center; gap: 1rem; }
.logo-img { height: 60px; }
nav { grid-column: 2 / 3; justify-self: center; }
.header-spacer { grid-column: 3 / 4; }
nav a.nav-link {
    color: var(--text-primary); /* <- COR ALTERADA PARA BRANCO/CINZA CLARO */
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: var(--border-radius);
    transition: all 0.2s ease-in-out;
    font-weight: 500;
    font-size: 17px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
nav a.nav-link svg { width: 20px; height: 20px; }
nav a.nav-link:hover { color: var(--text-primary); background-color: rgba(139, 148, 158, 0.1); }
nav a.nav-link.active { color: var(--accent-blue); font-weight: 600; background-color: rgba(88, 166, 255, 0.1); }

/* 3. CARDS E CONTEÚDO PRINCIPAL */
.card { background-color: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 2rem; margin-top: 1.5rem; box-shadow: 0 4px 12px var(--shadow-color); }
.card-header h2 { font-size: 1.75rem; font-weight: 600; margin-bottom: 0.25rem; }

/* NOVO: Caixa de Texto Explicativo */
.explainer-box {
    background-color: var(--bg-deep);
    border-left: 4px solid var(--accent-blue);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 4px;
    color: var(--text-secondary);
    white-space: pre-wrap; /* Respeita as quebras de linha do .txt */
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 4. FILTROS E FORMULÁRIOS */
.filters { display: flex; gap: 2rem; flex-wrap: wrap; }
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 0.5rem; color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; }
select { min-width: 350px; background-color: var(--bg-deep); color: var(--text-primary); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 0.75rem; font-size: 1rem; font-family: var(--font-family); transition: all 0.2s; -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238b949e' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; }
select option { background: var(--bg-surface); color: var(--text-primary); }
select:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.3); }
.radio-group { display: flex; align-items: center; gap: 0.5rem; }
.radio-group label { margin: 0; padding: 0.5rem 1rem; border: 1px solid var(--border-color); border-radius: var(--border-radius); cursor: pointer; transition: all 0.2s; color: var(--text-secondary); }
.radio-group input[type="radio"] { display: none; }
.radio-group input[type="radio"]:checked + label { background-color: rgba(88, 166, 255, 0.1); border-color: var(--accent-blue); color: var(--accent-blue); }

/* NOVO: Botão de Download */
.btn-download {
    background-color: var(--accent-green);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-download:hover { background-color: #2da44e; }
/* Adicione estas novas regras */
.form-group-inline {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.info-label {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-family: monospace;
    font-size: 1rem;
    height: 47px; /* Altura para alinhar com o seletor */
    min-width: 150px;
}


/* Estilo para o seletor de múltiplos ativos */
select[multiple] {
    height: 200px; /* Altura da caixa de seleção */
    padding: 0.5rem;
}

select[multiple] option {
    padding: 0.5rem;
    cursor: pointer;
}

select[multiple] option:checked {
    background-color: var(--accent-blue);
    color: var(--bg-surface);
}

/* Container para os resultados da fronteira */
#fronteira-results-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.fronteira-chart-wrapper, .fronteira-allocation-wrapper {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
}

@media (max-width: 992px) {
    #fronteira-results-container {
        grid-template-columns: 1fr;
    }
}

/* Estilo para o novo seletor de ativos com tags */
.tag-input-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    min-height: 47px;
    cursor: text;
    position: relative;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    background-color: var(--accent-blue);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
}

.tag-remove-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    margin-left: 8px;
    font-size: 1rem;
    line-height: 1;
}

.tag-input-container input {
    flex-grow: 1;
    border: none;
    background: none;
    outline: none;
    padding: 4px 0;
    color: var(--text-primary);
    min-width: 150px;
}

/* Caixa de sugestões */
.suggestions-box {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1001;
}

.suggestion-item {
    padding: 10px;
    cursor: pointer;
    color: var(--text-secondary);
}

.suggestion-item:hover {
    background-color: var(--bg-deep);
    color: var(--text-primary);
}


.form-group-label {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group-pair {
    display: flex;
    gap: 2rem;
    width: 100%;
    flex-wrap: wrap;
}

.form-group-pair > .form-group {
    flex-grow: 1;
    min-width: 350px;
}

/* 5. LOADER ANIMADO */
.loader { text-align: center; padding: 3rem; }
.loader::after { content: ''; display: block; width: 40px; height: 40px; margin: 1rem auto; border-radius: 50%; border: 4px solid var(--border-color); border-top-color: var(--accent-blue); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 6. TABELAS DE DADOS */
#results-container, #screening-results-container { margin-top: 1.5rem; }
.table-wrapper { overflow-x: auto; max-height: 75vh; border: 1px solid var(--border-color); border-radius: var(--border-radius); }
table.data-table { width: 100%; border-collapse: collapse; white-space: nowrap; }
table.data-table th, table.data-table td { padding: 0.8rem 1.2rem; text-align: left; border-bottom: 1px solid var(--border-color); }
table.data-table th { background-color: var(--bg-deep); position: sticky; top: 0; z-index: 10; font-weight: 600; font-size: 0.9rem; }
table.data-table td:not(:first-child):not(:nth-child(2)):not(:nth-child(3)) { text-align: right; font-family: monospace; font-size: 0.95rem; }
table.data-table tbody tr:hover { background-color: rgba(139, 148, 158, 0.05); }
table.data-table tbody tr:last-child td { border-bottom: none; }

/* 7. PÁGINA HISTÓRICO E SOBRE */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.metric-card { background-color: var(--bg-deep); border: 1px solid var(--border-color); padding: 1.25rem; border-radius: var(--border-radius); text-align: center; }
.metric-value { font-size: 1.75rem; font-weight: 700; color: var(--text-primary); }
.metric-label { font-size: 0.9rem; color: var(--text-secondary); }
.chart-container { margin-top: 2rem; height: 450px; }
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; align-items: flex-start; }
.contact-item { display: flex; align-items: center; gap: 1rem; margin: 1rem 0; color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
.contact-item:hover { color: var(--accent-blue); }
.contact-item img { width: 32px; height: 32px; }
.pix-image { max-width: 200px; border-radius: var(--border-radius); margin-top: 1rem; }
.info-message { background: var(--bg-surface); border-left: 4px solid var(--accent-blue); padding: 1.5rem; border-radius: var(--border-radius); margin-top: 1.5rem; }

/* 8. RODAPÉ */
.main-footer { padding: 1.5rem 0; background-color: var(--bg-surface); border-top: 1px solid var(--border-color); text-align: center; color: var(--text-secondary); font-size: 0.9rem; margin-top: auto; }

/* 9. ESTILOS DA NOVA HOMEPAGE */

.hero-section {
    text-align: center;
    padding: 3rem 1rem;
    margin: 1rem 0;
}

.hero-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.hero-section .subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* VERSÃO NOVA E CORRIGIDA */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Força 3 colunas em telas grandes */
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Ajustes para telas menores (tablets) */
@media (max-width: 992px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Ajustes para telas pequenas (celulares) */
@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card-link {
    text-decoration: none;
    color: inherit;
}

.feature-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    height: 100%;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px var(--shadow-color);
    border-color: var(--accent-blue);
}

.feature-icon {
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}