/**
 * Calculator Page Styles
 * COGs Calculator design
 *
 * @package NutraMEA
 * @version 3.5.0
 */

.calculator-header {
    background: linear-gradient(135deg, hsl(189 65% 44% / 0.1) 0%, hsl(44 72% 55% / 0.1) 100%);
}

.calculator-page-content {
    padding: 4rem 0 6rem;
    background: #fafafa;
}

.calculator-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.calculator-intro h2 {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-dark, #1a1a1a);
    margin-bottom: 1rem;
}

.calculator-intro p {
    font-size: 1.0625rem;
    color: var(--text-muted, #666);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

.calculator-form {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-section {
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 2px solid #f0f0f0;
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-color, #3AABB8);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, var(--primary-color, #3AABB8) 0%, var(--secondary-color, #E8AF3E) 100%);
    border-radius: 2px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-dark, #333);
    margin-bottom: 0.5rem;
}

.form-group input {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.2s ease;
    background: white;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color, #3AABB8);
    box-shadow: 0 0 0 3px hsl(189 65% 44% / 0.1);
}

.form-group input:hover {
    border-color: #c0c0c0;
}

.calculator-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.calculate-btn,
.reset-btn {
    padding: 1rem 2.5rem;
    font-size: 1.0625rem;
    font-weight: 700;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.calculate-btn {
    background: var(--primary-color, #3AABB8);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(58, 171, 184, 0.3);
}

.calculate-btn:hover {
    background: var(--primary-dark, #2d8a94);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 171, 184, 0.4);
}

.reset-btn {
    background: white;
    color: var(--text-dark, #333);
    border: 2px solid #e0e0e0;
}

.reset-btn:hover {
    border-color: var(--text-dark, #333);
    background: #f5f5f5;
}

/* Results Section */
.calculator-results {
    margin-top: 3rem;
    padding: 3rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.4s ease;
}

.calculator-results h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-dark, #1a1a1a);
    margin-bottom: 2rem;
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.result-card {
    padding: 1.5rem;
    background: #f9f9f9;
    border-radius: 12px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.result-card.primary {
    background: linear-gradient(135deg, var(--primary-color, #3AABB8) 0%, var(--secondary-color, #E8AF3E) 100%);
    grid-column: span 3;
    padding: 2rem;
    border: none;
}

.result-card.primary .result-label,
.result-card.primary .result-value {
    color: white;
}

.result-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted, #666);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.result-card.primary .result-label {
    font-size: 1rem;
}

.result-value {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-dark, #1a1a1a);
}

.result-card.primary .result-value {
    font-size: 3rem;
}

/* Breakdown Section */
.results-breakdown {
    padding-top: 2rem;
    border-top: 2px solid #f0f0f0;
}

.results-breakdown h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark, #1a1a1a);
    margin-bottom: 1.5rem;
}

.breakdown-chart {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.breakdown-item {
    display: grid;
    grid-template-columns: 120px 1fr 80px;
    align-items: center;
    gap: 1rem;
}

.breakdown-label {
    font-weight: 600;
    color: var(--text-dark, #333);
    font-size: 0.9375rem;
}

.breakdown-bar {
    height: 32px;
    background: #f0f0f0;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.breakdown-fill {
    height: 100%;
    transition: width 0.6s ease;
    position: relative;
}

.breakdown-fill.materials {
    background: linear-gradient(90deg, var(--primary-color, #3AABB8) 0%, var(--primary-dark, #2d8a94) 100%);
}

.breakdown-fill.labor {
    background: linear-gradient(90deg, var(--secondary-color, #E8AF3E) 0%, #d19b2e 100%);
}

.breakdown-fill.overhead {
    background: linear-gradient(90deg, #3BA947 0%, #2e8b39 100%);
}

.breakdown-value {
    font-weight: 700;
    color: var(--text-dark, #333);
    text-align: right;
    font-size: 0.9375rem;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .calculator-form {
        padding: 2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .result-card.primary {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .calculator-page-content {
        padding: 3rem 0 4rem;
    }
    
    .calculator-form {
        padding: 1.5rem;
    }
    
    .calculator-results {
        padding: 2rem 1.5rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-card.primary {
        grid-column: span 1;
        padding: 1.5rem;
    }
    
    .result-value {
        font-size: 1.5rem;
    }
    
    .result-card.primary .result-value {
        font-size: 2.25rem;
    }
    
    .calculator-actions {
        flex-direction: column;
    }
    
    .calculate-btn,
    .reset-btn {
        width: 100%;
        justify-content: center;
    }
    
    .breakdown-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .breakdown-label {
        margin-bottom: 0.25rem;
    }
    
    .breakdown-value {
        text-align: left;
        margin-top: 0.25rem;
    }
}