#botox-calculator-container {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    color: #212529;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Header */
.calculator-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 1rem;
    border-bottom: 1px solid #dee2e6;
}

.calculator-header h2 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: #007bff;
}

.calculator-header p {
    margin: 0;
    color: #6c757d;
}

#real-time-clock {
    background-color: #e9ecef;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #007bff;
    letter-spacing: 1px;
}

/* Form Styling */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: #495057;
}

select, input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid #ced4da;
    background-color: #fff;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

select:focus {
    outline: none;
    border-color: #80bdff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-row .form-group {
    flex: 1;
}

/* Custom Radio Buttons */
.radio-group {
    display: flex;
    background: #e9ecef;
    padding: 4px;
    border-radius: 8px;
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-group label {
    flex: 1;
    text-align: center;
    padding: 0.5rem;
    margin: 0;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
    font-weight: 500;
}

.radio-group input[type="radio"]:checked + label {
    background-color: #007bff;
    color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Checkbox Grid for Concerns */
.concerns-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.concern-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border: 1px solid #dee2e6;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.concern-item:hover {
    border-color: #80bdff;
}

.concern-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.75rem;
    accent-color: #007bff;
}

.concern-item label {
    margin: 0;
    font-weight: 500;
    font-size: 0.95rem;
    color: #343a40;
}

/* Footer and Total Cost */
.calculator-footer {
    text-align: right;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.calculator-footer h3 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
    color: #495057;
}

.cost-display {
    background-color: #28a745;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 2rem;
    font-weight: 700;
    display: inline-block;
    min-width: 150px;
    text-align: center;
    transition: background-color 0.3s;
}

.cost-display:empty {
    background-color: #6c757d;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    #botox-calculator-container {
        padding: 1.5rem;
    }
    .form-row {
        flex-direction: column;
        gap: 1.5rem;
    }
    .concerns-grid {
        grid-template-columns: 1fr;
    }
    .calculator-header {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
        text-align: center;
    }
    .calculator-footer {
        text-align: center;
    }
}