/* --- ESTILOS ESPECÍFICOS CIMENTO --- */
:root {
    /* --cor-primaria: #475569; */
    /* Cor de Cimento/Cinza */
    /* --cor-primaria-light: #94a3b8;
    --cor-secundaria: #16a34a;
    --cor-fundo: #f1f5f9;
    --cor-card: #ffffff;
    --cor-texto: #1f2933;
    --cor-texto-suave: #64748b; */

    --cor-primaria: #d97706;
    --cor-primaria-dark: #b45309;
    --cor-secundaria: #64748b;
    --cor-fundo: #fff7ed;
    /* Fundo laranja muito claro */
    --cor-card: #ffffff;
    --cor-texto: #1e293b;
    --cor-texto-suave: #64748b;
    --cor-borda: #fdba74;
    --sombra: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --cor-fundo: #0f172a;
    --cor-card: #1e293b;
    --cor-texto: #e2e8f0;
    --cor-texto-suave: #94a3b8;
}

body {
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    /* padding-bottom: 40px; */
}

.calculator-wrapper {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Card Principal */
.calc-card {
    background-color: var(--cor-card);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    border-top: 4px solid var(--cor-primaria);
}

.calc-header {
    text-align: center;
    margin-bottom: 30px;
}

.calc-header h2 {
    font-size: 26px;
    margin-bottom: 8px;
    color: var(--cor-texto);
}

/* Tipo de Obra (Radio) */
.obras-group {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    background: rgba(71, 85, 105, 0.05);
    padding: 15px;
    border-radius: 12px;
    justify-content: center;
}

.radio-label {
    cursor: pointer;
    flex: 1;
}

.radio-label input {
    display: none;
}

.radio-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: var(--cor-card);
    border: 2px solid transparent;
    border-radius: 8px;
    font-weight: 600;
    color: var(--cor-texto-suave);
    transition: 0.2s;
}

.radio-label input:checked+.radio-card {
    border-color: var(--cor-primaria);
    background: white;
    color: var(--cor-primaria);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Inputs Grid */
.inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--cor-texto);
    font-size: 14px;
}

input,
select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    font-size: 16px;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    outline: none;
}

input:focus,
select:focus {
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(71, 85, 105, 0.1);
}

/* Botão */
.btn-calc {
    width: 100%;
    padding: 16px;
    border-radius: 8px;
    border: none;
    background-color: var(--cor-primaria);
    color: white;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 6px rgba(71, 85, 105, 0.2);
}

.btn-calc:hover {
    background-color: #334155;
}

/* Resultados */
.result-area {
    display: none;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.result-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: 0.3s;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.res-icon {
    font-size: 24px;
    display: block;
    margin-bottom: 8px;
}

.res-label {
    font-size: 13px;
    color: var(--cor-texto-suave);
    font-weight: 600;
    text-transform: uppercase;
}

.res-val {
    font-size: 22px;
    font-weight: 800;
    color: var(--cor-texto);
    margin-top: 5px;
}

.hidden-card {
    display: none;
}

/* Dicas */
.tips-box {
    background: rgba(71, 85, 105, 0.1);
    padding: 20px;
    border-left: 4px solid var(--cor-primaria);
    border-radius: 8px;
    margin-top: 20px;
}

.tips-box h4 {
    margin: 0 0 10px 0;
    color: #334155;
}

.tips-box ul {
    margin: 0;
    padding-left: 20px;
    color: var(--cor-texto-suave);
}

.tips-box li {
    margin-bottom: 5px;
    font-size: 14px;
}

@media (max-width: 600px) {

    .inputs-grid,
    .result-grid {
        grid-template-columns: 1fr;
    }

    .obras-group {
        flex-direction: column;
    }
}

/* Classes Auxiliares para Conteúdo (substituindo styles inline inválidos) */
.info-box {
    background: var(--cor-card);
    margin-top: 20px;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--cor-borda);
}

.info-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid var(--cor-borda);
}

.info-icon {
    flex: 1;
    min-width: 50px;
    text-align: center;
    font-size: 24px;
}

.info-content {
    flex: 3;
}

.info-content strong {
    display: block;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--cor-texto-suave);
}

/* Links Externos */
.link-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 20px;
}

.link-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    text-decoration: none;
    color: var(--cor-texto);
    transition: transform 0.2s, box-shadow 0.2s;
}

.link-card:hover {
    transform: translateY(-2px);
    border-color: var(--cor-primaria);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.link-icon {
    font-size: 24px;
    margin-right: 10px;
    color: var(--cor-primaria);
}

.link-title {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
}

.link-desc {
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--cor-borda);
}

details {
    padding: 15px 0;
    cursor: pointer;
}

summary {
    font-weight: 600;
    color: var(--cor-texto);
    list-style: none;
    display: flex;
    justify-content: space-between;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    font-size: 1.2rem;
    color: var(--cor-primaria);
}

details[open] summary::after {
    content: '-';
}

details p {
    margin-top: 10px;
    font-size: 0.95rem;
    color: var(--cor-texto-suave);
}

/* Tips Box */
.tips-box {
    background: var(--cor-card);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--cor-borda);
    margin-bottom: 30px;
}

.tips-box h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--cor-texto);
}

.tips-box h4 {
    font-size: 1.1rem;
    color: var(--cor-primaria);
    margin: 20px 0 10px 0;
    font-weight: 600;
}

.tips-box p {
    color: var(--cor-texto-suave);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 15px;
}