/* TDEE Calculator Styles */
.tdee-calculator {
    padding: 3rem 0;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.tdee-calculator .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.tdee-calculator h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-align: center;
}

.tdee-calculator .subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0.8;
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.calculator-form {
    background-color: var(--nav-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
}

.calculate-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.calculate-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.calculator-results {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.result-card,
.recommendations {
    background-color: var(--nav-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.result-card h3,
.recommendations h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.result-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.result-label {
    flex: 1;
    font-weight: 500;
}

.result-value {
    font-weight: 700;
    margin: 0 0.5rem;
}

.highlight {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.result-unit {
    opacity: 0.8;
}

.recommendation-card {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 8px;
}

.recommendation-card h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.recommendation-card p {
    margin: 0;
    opacity: 0.8;
}

.tdee-info {
    background-color: var(--nav-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 3rem;
}

.tdee-info h2 {
    color: var(--primary-color);
    margin-top: 0;
}

.tdee-info h3 {
    margin-bottom: 1rem;
}

.activity-guide {
    padding-left: 1.5rem;
}

.activity-guide li {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (min-width: 768px) {
    .calculator-container {
        grid-template-columns: 1fr 1fr;
    }
    
    .calculator-results {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 992px) {
    .calculator-results {
        grid-template-columns: 1fr 1fr;
    }
}