/* ===== CALCULADORA DE DILUIÇÃO ===== */

.calc-diluicao {
    margin-top: 0;
    color: #0f172a;
}

.calc-diluicao-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.calc-diluicao-title {
    margin: 0;
    font-size: 1.75rem;
    line-height: 1.15;
    font-weight: 700;
    color: #0f172a;
}

.calc-diluicao-subtitle {
    max-width: 760px;
    margin: 0.875rem auto 0;
    font-size: 0.98rem;
    line-height: 1.75;
    color: #64748b;
}

/* ===== TABS ===== */

.calc-diluicao-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.4rem;
    margin: 0 auto 1.75rem;
    background: #f1f5f9;
    border-radius: 1rem;
}

.calc-diluicao-tab {
    appearance: none;
    border: 0;
    background: transparent;
    color: #475569;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 0.85rem 1.15rem;
    border-radius: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-diluicao-tab:hover {
    background: #ffffff;
    color: #0f172a;
}

.calc-diluicao-tab.active {
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.calc-diluicao-panel {
    display: none;
}

.calc-diluicao-panel.active {
    display: block;
}

/* ===== FORM ===== */

.calc-diluicao-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.calc-col-3 {
    grid-column: span 3;
}

.calc-col-4 {
    grid-column: span 4;
}

.calc-col-12 {
    grid-column: span 12;
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-label {
    font-size: 0.88rem;
    font-weight: 600;
    color: #334155;
}

.calc-input,
.calc-select {
    width: 100%;
    height: 3rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.9rem;
    background: #ffffff;
    padding: 0 0.95rem;
    font-size: 0.95rem;
    color: #0f172a;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.calc-input:focus,
.calc-select:focus {
    border-color: #64748b;
    box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.18);
}

.calc-actions {
    display: flex;
    justify-content: center;
    padding-top: 0.25rem;
}

.calc-btn {
    appearance: none;
    border: 0;
    border-radius: 1rem;
    padding: 0.95rem 1.4rem;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calc-btn.primary {
    background: #0f172a;
    color: #ffffff;
}

.calc-btn.primary:hover {
    background: #1e293b;
}

/* ===== KPIs ===== */

.calc-kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.calc-kpi {
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
    background: #ffffff;
    padding: 1.25rem 1rem;
    text-align: center;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.calc-kpi-t {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
}

.calc-kpi-v {
    margin-top: 0.65rem;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
    color: #0f172a;
    word-break: break-word;
}

.calc-kpi-v.big {
    font-size: 1.85rem;
}

.calc-kpi-v.ui {
    color: #0f172a;
}

.calc-kpi-s {
    margin-top: 0.35rem;
    font-size: 0.88rem;
    color: #64748b;
}

/* ===== TEXTO AUXILIAR ===== */

.calc-formula,
.calc-note {
    border-radius: 1rem;
    padding: 1rem 1.1rem;
    font-size: 0.92rem;
    line-height: 1.7;
}

.calc-formula {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #334155;
}

.calc-note {
    margin-top: 1rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e3a8a;
}

.calc-sep {
    margin: 1.75rem 0;
    border: 0;
    border-top: 1px solid #e2e8f0;
}

/* ===== TABELA ===== */

.calc-table-wrap {
    overflow-x: auto;
    border: 1px solid #e2e8f0;
    border-radius: 1.25rem;
    background: #ffffff;
}

.calc-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
}

.calc-table thead th {
    background: #f8fafc;
    color: #475569;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
}

.calc-table tbody td {
    padding: 0.95rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.95rem;
    color: #0f172a;
}

.calc-table tbody tr:last-child td {
    border-bottom: 0;
}

.calc-right {
    text-align: right;
}

/* ===== PROSE / BLOCO GERAL ===== */

.prose .calc-diluicao {
    max-width: none;
}

.prose .calc-diluicao * {
    box-sizing: border-box;
}

/* ===== RESPONSIVO ===== */

@media (max-width: 1024px) {
    .calc-col-3,
    .calc-col-4 {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    .calc-diluicao-title {
        font-size: 1.5rem;
    }

    .calc-diluicao-subtitle {
        font-size: 0.92rem;
        line-height: 1.65;
    }

    .calc-diluicao-tabs {
        display: flex;
        width: 100%;
        justify-content: center;
    }

    .calc-diluicao-tab {
        flex: 1 1 auto;
        text-align: center;
        padding: 0.8rem 1rem;
    }

    .calc-col-3,
    .calc-col-4,
    .calc-col-12 {
        grid-column: span 12;
    }

    .calc-kpis {
        grid-template-columns: 1fr;
    }

    .calc-kpi-v.big {
        font-size: 1.65rem;
    }

    .calc-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .calc-diluicao-title {
        font-size: 1.35rem;
    }

    .calc-diluicao-tabs {
        padding: 0.3rem;
        gap: 0.35rem;
    }

    .calc-diluicao-tab {
        font-size: 0.84rem;
        padding: 0.78rem 0.8rem;
    }

    .calc-input,
    .calc-select {
        height: 2.9rem;
        font-size: 0.92rem;
    }

    .calc-kpi {
        padding: 1rem 0.85rem;
    }

    .calc-kpi-v {
        font-size: 1.2rem;
    }

    .calc-kpi-v.big {
        font-size: 1.5rem;
    }

    .calc-formula,
    .calc-note {
        font-size: 0.88rem;
    }
}