.gestational-calculator-wrapper {
    display: flex;
    justify-content: center;
    padding: 20px 0;
    width: 100%;
}

.gestational-container {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--color-border, #E2E8F0);
}

.calc-title {
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
    color: var(--color-text-primary, #1E293B);
    font-size: 1.5rem;
    font-weight: 700;
}

.calc-form-group {
    margin-bottom: 15px;
}

.calc-field-group {
    margin-bottom: 15px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.calc-form-group label, 
.calc-field-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary, #64748B);
    margin-bottom: 5px;
}

.calc-select, .calc-input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    font-size: 1rem;
    color: #1e293b;
    background-color: white;
}

.calc-select:focus, .calc-input:focus {
    outline: none;
    border-color: var(--color-primary, #3373AD);
    box-shadow: 0 0 0 3px rgba(51, 115, 173, 0.1);
}

.calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 10px;
}

.calc-button {
    width: 100%;
    padding: 14px;
    background: var(--color-primary, #3373AD);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-button:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(51, 115, 173, 0.2);
}

.calc-button:active {
    transform: translateY(0);
}

.calc-resultado {
    margin-top: 25px;
    background: #eff6ff;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #bfdbfe;
}

.res-item {
    margin-bottom: 8px;
    font-size: 0.9375rem;
    color: #1e40af;
}

.res-highlight {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #bfdbfe;
    text-align: center;
}

.res-age-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: #1d4ed8;
    display: inline-block;
    margin-top: 5px;
}

.calc-erro {
    color: #dc2626;
    background: #fef2f2;
    padding: 12px;
    border-radius: 8px;
    margin-top: 15px;
    font-size: 0.875rem;
    border: 1px solid #fecaca;
}