/* ═══════════════════════════════════════════════════════════
   SECTION: CALCULADORA DE METRAGEM
═══════════════════════════════════════════════════════════ */
.calculadora { background: var(--cream); }

.calc-wrap {
    max-width: 860px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-md);
}

/* Bloco de seleção do produto */
.calc-produto-wrap {
    margin-bottom: 1.75rem;
}
.calc-label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-soft);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}
.calc-label--lg {
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}
.calc-produto-display {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: var(--cream);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 0.875rem;
    transition: border-color 0.3s ease;
}
.calc-produto-display.is-selected {
    border-color: var(--teca);
    background: var(--white);
}
.calc-produto-img {
    flex-shrink: 0;
    width: 88px;
    height: 88px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--sand) 0%, var(--teca-pale) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.calc-produto-img svg {
    width: 100%;
    height: 100%;
    display: block;
}
.calc-produto-img::before {
    content: 'WPC';
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 1.5rem;
    color: var(--teca);
    letter-spacing: 0.05em;
    position: absolute;
    opacity: 0.5;
}
.calc-produto-img.has-svg::before { display: none; }
.calc-produto-info { flex: 1; min-width: 0; }
.calc-produto-name {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 1.25rem;
    color: var(--oak);
    line-height: 1.3;
    margin-bottom: 0.35rem;
    letter-spacing: -0.01em;
}
.calc-produto-spec {
    font-size: 0.85rem;
    color: var(--text-soft);
    line-height: 1.45;
}

.calc-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3e%3cpath d='M1 1L6 6L11 1' stroke='%236B6054' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* Cômodos */
.calc-rooms { margin-bottom: 1rem; }

.calc-room {
    background: var(--cream);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 0.875rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.calc-room:focus-within {
    border-color: var(--teca);
    box-shadow: 0 0 0 4px rgba(184, 149, 106, 0.12);
}

.calc-room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.calc-room-title {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 1.25rem;
    color: var(--oak);
    font-weight: 400;
    letter-spacing: -0.01em;
}
.calc-room-remove {
    background: transparent;
    border: 0;
    color: var(--text-soft);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-family: inherit;
}
.calc-room-remove:hover {
    background: rgba(200, 120, 78, 0.08);
    color: var(--accent);
}
.calc-room-remove[hidden] { display: none; }

/* Toggle tipo de aplicação */
.calc-tipo-toggle {
    display: inline-flex;
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    padding: 4px;
    gap: 2px;
}
.calc-tipo-btn {
    background: transparent;
    border: 0;
    padding: 0.45rem 1rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-soft);
    cursor: pointer;
    border-radius: 999px;
    transition: all 0.2s ease;
    font-family: inherit;
    white-space: nowrap;
}
.calc-tipo-btn:hover { color: var(--oak); }
.calc-tipo-btn.is-active {
    background: var(--oak);
    color: var(--cream);
    box-shadow: 0 2px 8px rgba(60, 42, 20, 0.15);
}

.calc-fields {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}
.calc-field { display: flex; flex-direction: column; }
.calc-input {
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--white);
    color: var(--text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
    width: 100%;
}
.calc-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(200, 120, 78, 0.15);
}
.calc-input::-webkit-outer-spin-button,
.calc-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.calc-input[type="number"] { -moz-appearance: textfield; }

.calc-field-area {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sand);
    border: 1px dashed var(--teca-light);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    font-weight: 600;
    color: var(--oak);
    font-size: 1rem;
    text-align: center;
}

/* Aberturas (campo opcional para parede) */
.calc-aberturas {
    margin-top: 1rem;
    display: none;
}
.calc-aberturas.is-visible { display: block; }
.calc-aberturas-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
    align-items: end;
}
.calc-aberturas-hint {
    font-size: 0.75rem;
    color: var(--text-soft);
    line-height: 1.5;
    padding-bottom: 0.85rem;
    font-style: italic;
}

/* Botão adicionar */
.calc-add {
    display: block;
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 2px dashed var(--border-soft);
    border-radius: 12px;
    color: var(--oak-light);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    margin-bottom: 2rem;
    font-family: inherit;
    letter-spacing: 0.01em;
}
.calc-add:hover {
    background: var(--cream);
    border-color: var(--teca);
    color: var(--accent);
}
.calc-add span {
    display: inline-block;
    font-size: 1.25rem;
    margin-right: 0.4rem;
    line-height: 1;
    vertical-align: -2px;
}

/* Resultados */
.calc-results {
    background: var(--cream);
    border-radius: 16px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.75rem;
}
.calc-result-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.95rem;
}
.calc-result-row:last-child { border-bottom: 0; }
.calc-result-row--highlight {
    background: var(--white);
    margin: 0.5rem -0.875rem;
    padding: 1rem 0.875rem;
    border-radius: 10px;
    border: 1px solid var(--teca-light);
}
.calc-result-row--pieces {
    background: var(--sand);
    margin: 0.5rem -0.875rem 0;
    padding: 1rem 0.875rem;
    border-radius: 10px;
}
.calc-result-label { color: var(--text-soft); }
.calc-result-row--highlight .calc-result-label,
.calc-result-row--pieces .calc-result-label { color: var(--charcoal); }
.calc-result-value {
    font-weight: 600;
    color: var(--charcoal);
    white-space: nowrap;
}
.calc-result-value--big {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 1.875rem;
    font-weight: 400;
    color: var(--oak);
    letter-spacing: -0.01em;
}
.calc-result-value--muted { color: var(--text-soft); font-style: italic; font-family: inherit; font-size: 0.95rem; }

/* Ações */
.calc-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.calc-actions .btn {
    flex: 1;
    min-width: 220px;
    padding: 1rem 1.75rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    transition: all .3s cubic-bezier(.25,.1,.25,1);
    cursor: pointer;
    border: 0;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.calc-actions .btn-primary {
    background: var(--accent);
    color: var(--white);
}
.calc-actions .btn-primary:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(200, 120, 78, 0.4);
}
.calc-actions .btn-outline {
    background: transparent;
    color: var(--oak);
    border: 1px solid var(--border-soft);
}
.calc-actions .btn-outline:hover {
    background: var(--cream);
    border-color: var(--oak);
    color: var(--oak);
}

.calc-note {
    margin: 1.5rem 0 0;
    font-size: 0.8rem;
    color: var(--text-soft);
    text-align: center;
    font-style: italic;
    line-height: 1.6;
}

@media (max-width: 700px) {
    .calc-wrap { padding: 2rem 1.25rem; border-radius: 18px; }
    .calc-produto-display { flex-direction: column; text-align: center; padding: 1.25rem 1rem; }
    .calc-produto-img { width: 96px; height: 96px; }
    .calc-room { padding: 1.25rem; }
    .calc-fields { grid-template-columns: 1fr 1fr; }
    .calc-field-area { grid-column: 1 / -1; }
    .calc-aberturas-row { grid-template-columns: 1fr; gap: 0.5rem; }
    .calc-aberturas-hint { padding-bottom: 0; }
    .calc-results { padding: 1.25rem; }
    .calc-result-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    .calc-result-value--big { font-size: 1.625rem; }
    .calc-actions .btn { min-width: 100%; }
}

/* Modo "produto fixo" — esconde o seletor (usado na single-produto) */
.calc-wrap[data-fixed-product] .calc-produto-wrap select,
.calc-wrap[data-fixed-product] .calc-produto-wrap > .calc-label {
    display: none;
}

/* Calculadora dentro de single-produto: respeita o container de seções
   e o título da seção é controlado pela própria single-produto.php */
.produto-section .calc-wrap {
    margin: 0;
}