* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #27ae60;
    --secondary-dark: #219653;
    --accent-color: #e74c3c;
    --accent-dark: #c0392b;
    --text-dark: #2c3e50;
    --text-medium: #555;
    --text-light: #777;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.08);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-pill: 30px;
    --transition-base: all 0.3s ease;
    
    /* Category colors */
    --imoveis-color: #3498db;
    --veiculos-color: #e67e22;
    --outros-color: #9b59b6;
    --educacao-color: #27ae60;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: var(--text-dark);
}

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

header {
    text-align: center;
    margin-bottom: 2rem;
}

header p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

h1 {
    color: var(--text-dark);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-weight: 600;
}

h3 {
    color: var(--text-dark);
    margin: 1rem 0;
    font-size: 1.4rem;
    font-weight: 600;
}

/* Category Selection Styles */
.category-selection {
    margin: 2rem 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.category-card {
    background-color: var(--background-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.category-card.selected {
    border-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.category-icon {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.category-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.category-card p {
    font-size: 0.9rem;
    color: var(--text-medium);
}

/* Subcategory Selection Styles */
.subcategory-selection {
    display: none;
    margin: 2rem 0;
}

.subcategory-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.subcategory-item {
    background-color: var(--background-white);
    border-radius: var(--radius-pill);
    padding: 0.5rem 1.2rem;
    cursor: pointer;
    transition: var(--transition-base);
    border: 1px solid #ddd;
}

.subcategory-item:hover {
    background-color: var(--background-light);
    border-color: var(--primary-color);
}

.subcategory-item.selected {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Category Info Box */
.selected-category-info {
    background-color: var(--background-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
    display: none;
}

.selected-category-info h3 {
    margin-top: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.selected-category-info p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

.category-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.benefit-tag {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Intro Section */
.intro-section {
    display: flex;
    align-items: center;
    background: var(--background-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 2rem;
    padding: 3rem;
}

.intro-content {
    flex: 1;
    padding-right: 2rem;
}

.intro-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.3;
}

.intro-content p {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
    font-size: 1.1rem;
}

.features-list {
    list-style: none;
    margin-bottom: 2rem;
}

.features-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-medium);
}

.features-list svg {
    margin-right: 10px;
    flex-shrink: 0;
}

.intro-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.primary-button {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.primary-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.primary-button svg {
    transition: transform 0.3s ease;
}

.primary-button:hover svg {
    transform: translateX(3px);
}

/* Chart Section */
.chart-section {
    background: var(--background-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    display: none;
}

.chart-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

.chart-tab {
    padding: 0.6rem 1.2rem;
    border: none;
    background: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-medium);
    transition: all 0.3s;
}

.chart-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.chart-tab:hover:not(.active) {
    background-color: var(--background-light);
    color: var(--primary-color);
}

.chart-container {
    height: 300px;
    margin-bottom: 1.5rem;
    position: relative;
}

.chart-insights {
    background-color: var(--background-light);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-top: 1.5rem;
}

.chart-insights h3 {
    margin-top: 0;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.chart-insights ul {
    margin: 0;
    padding-left: 1.5rem;
}

.chart-insights li {
    margin-bottom: 0.5rem;
    color: var(--text-medium);
}

.chart-insights li strong {
    color: var(--text-dark);
}

.chart-comparison {
    text-align: center;
    font-size: 1.1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background-color: var(--background-light);
}

.chart-comparison.consortium-better {
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
}

.chart-comparison.financing-better {
    color: var(--accent-color);
    border-left: 4px solid var(--accent-color);
}

/* Saved Simulations Section */
.saved-simulations-section {
    background: var(--background-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.saved-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.saved-simulation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--background-light);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.2s;
}

.saved-simulation-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.simulation-info {
    flex-grow: 1;
}

.simulation-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.simulation-actions {
    display: flex;
    gap: 0.5rem;
}

.simulation-actions button {
    padding: 0.5rem;
    margin: 0;
}

.load-btn {
    background-color: var(--primary-color);
    color: white;
}

.load-btn:hover {
    background-color: var(--primary-dark);
}

.delete-btn {
    background-color: var(--accent-color);
    color: white;
}

.delete-btn:hover {
    background-color: var(--accent-dark);
}

/* Results Section */
.results-section {
    display: none;
}

.comparison-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--background-white);
    padding: 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    background-color: var(--background-light);
}

.card-icon {
    margin-right: 0.8rem;
}

.card-header h2 {
    margin-bottom: 0;
    font-size: 1.5rem;
}

.card-content {
    padding: 1.5rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.result-row:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.result-label {
    font-weight: 600;
    color: var(--text-medium);
}

.result-value {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.detailed-comparison {
    background: var(--background-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.comparison-table th {
    background-color: var(--background-light);
    font-weight: 600;
    color: var(--text-dark);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.insurance-breakdown {
    margin-top: 1rem;
    padding: 0.8rem;
    background-color: var(--background-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-medium);
}

.export-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.export-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
}

.export-button:hover {
    background-color: var(--primary-dark);
}

/* Amortization Table Collapse/Expand Styles */
.amortization-container {
    background: var(--background-white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    overflow-x: auto;
    display: none;
}

.table-container {
    max-height: 300px;
    overflow-y: hidden;
    transition: max-height 0.5s ease;
}

.table-container.expanded {
    max-height: 2000px;
}

.amortization-table {
    width: 100%;
    border-collapse: collapse;
}

.amortization-table th,
.amortization-table td {
    padding: 0.8rem;
    text-align: right;
    border-bottom: 1px solid #eee;
}

.amortization-table th {
    background-color: var(--background-light);
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1;
}

.amortization-table td:first-child {
    text-align: center;
}

.summary-row {
    background-color: var(--background-light);
    text-align: center !important;
}

.summary-row td {
    text-align: center;
}

.toggle-amortization-btn {
    display: block;
    margin: 1rem auto 0;
    padding: 0.5rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.3s;
}

.toggle-amortization-btn:hover {
    background-color: var(--primary-dark);
}

.table-fade {
    position: relative;
}

.table-fade::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--background-white));
    pointer-events: none;
    transition: opacity 0.3s;
}

.table-fade.expanded::after {
    opacity: 0;
}

/* Recommendation Section */
.recommendation-section {
    background: var(--background-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border-left: 5px solid var(--secondary-color);
}

.recommendation-content {
    color: var(--text-medium);
}

.primary-recommendation {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
    color: var(--text-dark);
}

.recommendation-content h3 {
    margin: 1.2rem 0 0.8rem;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.recommendation-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.recommendation-content li {
    margin-bottom: 0.5rem;
}

.recommendation-conclusion {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    font-size: 1.1rem;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.close-modal {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.table-container {
    overflow-x: auto;
}

/* Helper Classes */
.hidden {
    display: none;
}

.proportion-charts {
    display: none;
}

.chart-panel {
    display: none;
}

/* Simulator Section */
.simulator-section {
    display: none;
}

.input-section {
    background: var(--background-white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color 0.3s;
    background-color: white;
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

select option {
    padding: 0.5rem;
}

.category-info, .range-info, .amortization-info {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: var(--background-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-medium);
}

.input-group {
    position: relative;
}

.input-suffix {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-weight: 600;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.form-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.calculate-button {
    background-color: var(--primary-color);
    color: white;
    flex: 1;
}

.calculate-button:hover {
    background-color: var(--primary-dark);
}

.reset-button {
    background-color: var(--accent-color);
    color: white;
}

.reset-button:hover {
    background-color: var(--accent-dark);
}

.save-button {
    background-color: var(--secondary-color);
    color: white;
}

.save-button:hover {
    background-color: var(--secondary-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .intro-section {
        flex-direction: column;
        padding: 2rem;
    }
    
    .intro-content {
        padding-right: 0;
        padding-bottom: 2rem;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .subcategory-options {
        flex-direction: column;
    }
    
    .comparison-cards {
        grid-template-columns: 1fr;
    }
    
    .form-buttons {
        flex-direction: column;
    }
    
    button {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .saved-simulation-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .simulation-actions {
        margin-top: 0.5rem;
        width: 100%;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .proportion-charts {
        display: none;
    }
    
    .chart-panel {
        display: none;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .chart-tabs {
        flex-wrap: wrap;
    }
    
    .chart-tab {
        flex: 1;
        font-size: 0.9rem;
        padding: 0.5rem 0.8rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 200px;
    }
}