/* Reset básico e fontes */
body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6; /* Um cinza claro para o fundo geral */
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Cores da Nexus */
:root {
    --nexus-blue: #0F2A41; /* Azul marinho escuro */
    --nexus-gold: #E0B964; /* Dourado/Amarelo */
    --light-gray: #f4f7f6;
    --medium-gray: #e0e0e0;
    --dark-gray: #555;
    --white: #ffffff;
}

/* Cabeçalho */
header {
    background-color: var(--nexus-blue);
    color: var(--white);
    padding: 15px 0;
    border-bottom: 5px solid var(--nexus-gold);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#logo {
    height: 50px; /* Ajustar conforme necessário */
}

header h1 {
    margin: 0;
    font-size: 1.8em;
    font-weight: normal;
}

/* Conteúdo Principal */
main {
    padding: 30px 0;
}

#calculator h2, #chart-section h2 {
    color: var(--nexus-blue);
    border-bottom: 2px solid var(--nexus-gold);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

#calculator p {
    margin-bottom: 30px;
    color: var(--dark-gray);
}

.calculator-content {
    display: flex;
    gap: 30px;
    flex-wrap: wrap; /* Para responsividade */
}

.parameters {
    flex: 2; /* Ocupa mais espaço */
    background-color: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.results {
    flex: 1; /* Ocupa menos espaço */
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Duas colunas */
    gap: 15px;
}

.parameters h3 {
    margin-top: 0;
    color: var(--nexus-blue);
    margin-bottom: 20px;
}

/* Grupos de Formulário */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--nexus-blue);
}

.form-group input[type="number"],
.form-group input[type="text"] {
    width: calc(100% - 22px); /* Ajuste para padding */
    padding: 10px;
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    margin-bottom: 5px;
}

.form-group input[type="range"] {
    width: 100%;
    cursor: pointer;
    accent-color: var(--nexus-gold); /* Cor do slider */
}

.form-group span {
    display: block;
    font-size: 0.85em;
    color: var(--dark-gray);
    margin-top: 5px;
}

/* Caixas de Resultado */
.result-box {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-left: 5px solid var(--nexus-gold);
}

.result-box p {
    margin: 0 0 10px 0;
    font-size: 0.9em;
    color: var(--dark-gray);
}

.result-box .value {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--nexus-blue);
}

/* Ajustes específicos para caixas de resultado */
#custoAtualBox { border-left-color: #ccc; } /* Cinza para custo atual */
#custoIABox { border-left-color: var(--nexus-blue); } 
#economiaMensalBox { border-left-color: #4CAF50; } /* Verde para economia */
#roiAnualBox { border-left-color: var(--nexus-gold); }

/* Projeção */
.projection {
    grid-column: span 2; /* Ocupa as duas colunas */
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-top: 15px;
}

.projection h3 {
    margin-top: 0;
    color: var(--nexus-blue);
    text-align: center;
    margin-bottom: 15px;
}

.projection-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--medium-gray);
}

.projection-item:last-child {
    border-bottom: none;
}

.projection-item span {
    color: var(--dark-gray);
}

.projection-item .value {
    font-weight: bold;
    color: var(--nexus-blue);
}

/* Seção do Gráfico */
#chart-section {
    margin-top: 40px;
    background-color: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#economiaChart {
    max-height: 400px; /* Limitar altura do gráfico */
}

/* Rodapé */
footer {
    background-color: var(--nexus-blue);
    color: var(--light-gray);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 5px solid var(--nexus-gold);
}

footer p {
    margin: 5px 0;
    font-size: 0.9em;
}

/* Responsividade */
@media (max-width: 992px) {
    .calculator-content {
        flex-direction: column;
    }
    .results {
        grid-template-columns: 1fr; /* Uma coluna em telas menores */
    }
    .projection {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    #logo {
        margin-bottom: 10px;
    }
    header h1 {
        font-size: 1.5em;
    }
    .container {
        width: 95%;
    }
}