.calorie-calculator {
    max-width: 1100px;
    margin: 20px 0;
    padding: 0;
    font-family: inherit;
}

.calculator-row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.calculator-form-col {
    flex: 1 1 300px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 25px;
}

.calculator-result-col {
    flex: 1 1 300px;
    background: #f0f8ff;
    border: 1px solid #b8d6e6;
    border-radius: 5px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

/* Unit toggle buttons */
.unit-toggle {
    display: flex;
    margin-bottom: 20px;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid #ccc;
}

.unit-btn {
    flex: 1;
    padding: 10px;
    background: #f1f1f1;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.unit-btn.active {
    background: #0073aa;
    color: white;
    font-weight: 600;
}

.unit-btn:first-child {
    border-right: 1px solid #ccc;
}

/* Form grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field.full-width {
    grid-column: span 2;
}

.form-field label {
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-field input[type="number"],
.form-field select,
.form-field input[type="email"] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    box-sizing: border-box;
}

.submit-wrap {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.calorie-calculator input[type="submit"] {
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 12px 30px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

.calorie-calculator input[type="submit"]:hover {
    background: #005a87;
}

/* Results area */
.result-pie-container {
    margin-bottom: 20px;
    text-align: center;
    width: 100%;
}

#calorie-pie-chart {
    max-width: 100%;
    height: auto;
    background: transparent;
}

.result-text {
    text-align: left;
    width: 100%;
    margin-top: 15px;
}

.result-text h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2rem;
    border-bottom: 2px solid #46b450;
    padding-bottom: 8px;
}

.result-item {
    margin-bottom: 12px;
    padding: 8px;
    border-radius: 4px;
    background: white;
    border-left: 4px solid #0073aa;
}

.result-item .result-label {
    font-weight: 700;
    display: inline-block;
    width: 120px;
}

.result-item .result-value {
    font-weight: 700;
    color: #0073aa;
    display: inline-block;
    width: 70px;
}

.result-item .result-desc {
    font-size: 0.85rem;
    color: #666;
    display: block;
    margin-top: 3px;
    font-style: italic;
}

/* Email status */
.calorie-email-success,
.calorie-email-error {
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 3px;
    font-size: 0.9rem;
    width: 100%;
}

.calorie-email-success {
    background: #d4edda;
    border-left: 5px solid #28a745;
    color: #155724;
}

.calorie-email-error {
    background: #f8d7da;
    border-left: 5px solid #dc3545;
    color: #721c24;
}

.calorie-error {
    padding: 15px;
    background: #fbeaea;
    border-left: 5px solid #dc3232;
    border-radius: 3px;
    color: #a00;
    width: 100%;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .calculator-row {
        flex-direction: column;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-field.full-width {
        grid-column: span 1;
    }
    .result-item .result-label {
        width: 100px;
    }
}