/* ====================================
   Calculadora Estatística - Estilos
   ==================================== */

.stats-main {
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: var(--space-xl);
    background: linear-gradient(135deg, var(--color-science-bg) 0%, var(--color-bg) 100%);
}

.stats-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    padding: var(--space-lg) 0;
}

.stats-header h1 {
    color: var(--color-science-primary);
    margin-bottom: var(--space-sm);
}

.stats-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ====================================
   Tabs Navigation
   ==================================== */

.stats-tabs {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
    background-color: var(--color-white);
    padding: var(--space-xs);
    border-radius: 8px;
    box-shadow: 0 5px 20px var(--color-shadow);
    overflow-x: auto;
}

.stats-tab {
    flex: 1;
    min-width: 150px;
    padding: var(--space-sm) var(--space-md);
    background-color: transparent;
    border: 2px solid transparent;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.stats-tab:hover {
    color: var(--color-science-primary);
    background-color: var(--color-science-light);
}

.stats-tab.active {
    background-color: var(--color-science-primary);
    color: var(--color-white);
    border-color: var(--color-science-primary);
}

/* ====================================
   Content Panels
   ==================================== */

.stats-content {
    background-color: var(--color-white);
    padding: var(--space-lg);
    border-radius: 8px;
    box-shadow: 0 5px 20px var(--color-shadow);
    min-height: 500px;
}

.stats-panel {
    display: none;
}

.stats-panel.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

.stats-panel h2 {
    color: var(--color-science-primary);
    margin-bottom: var(--space-sm);
}

.panel-description {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

/* ====================================
   Input Section
   ==================================== */

.input-section {
    background-color: var(--color-science-light);
    padding: var(--space-md);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
    border: 2px solid var(--color-science-primary);
}

.input-section label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.input-section textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 2px solid var(--color-border);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    resize: vertical;
    transition: var(--transition-base);
}

.input-section textarea:focus {
    outline: none;
    border-color: var(--color-science-primary);
    box-shadow: 0 0 0 3px var(--color-science-light);
}

.input-section .btn {
    margin-top: var(--space-sm);
    width: 100%;
}

/* ====================================
   Input Group (Testes)
   ==================================== */

.input-group {
    margin-bottom: var(--space-md);
}

.input-group label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.input-group input[type="number"],
.input-group select,
.input-group textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 2px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-base);
}

.input-group textarea {
    font-family: 'Courier New', monospace;
    resize: vertical;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--color-science-primary);
    box-shadow: 0 0 0 3px var(--color-science-light);
}

/* ====================================
   Test Selector
   ==================================== */

.test-selector {
    background-color: var(--color-science-light);
    padding: var(--space-md);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
    border: 2px solid var(--color-science-primary);
}

.test-selector label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.test-selector select {
    width: 100%;
    padding: var(--space-sm);
    border: 2px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--color-white);
    cursor: pointer;
}

/* ====================================
   Test Forms
   ==================================== */

.test-form {
    background-color: var(--color-bg);
    padding: var(--space-md);
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.test-form h3 {
    color: var(--color-science-primary);
    margin-bottom: var(--space-xs);
}

.test-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
    font-style: italic;
}

/* ====================================
   Chi-Square Table
   ==================================== */

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

.chi-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    border-radius: 6px;
}

.chi-table td {
    padding: var(--space-xs);
    text-align: center;
}

.chi-table input {
    width: 100px;
    padding: 0.5rem;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    text-align: center;
}

/* ====================================
   Results Section
   ==================================== */

.resultados {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 3px solid var(--color-science-primary);
}

.resultados h3 {
    color: var(--color-science-primary);
    margin-bottom: var(--space-md);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.result-card {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-science-light) 100%);
    padding: var(--space-md);
    border-radius: 8px;
    border: 2px solid var(--color-science-primary);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
}

.result-card h4 {
    color: var(--color-science-secondary);
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
    border-bottom: 2px solid var(--color-science-primary);
    padding-bottom: var(--space-xs);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 500;
    color: var(--color-text);
}

.result-value {
    font-weight: 700;
    color: var(--color-science-primary);
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
}

/* ====================================
   Test Results
   ==================================== */

.resultado-teste {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-white);
    border-radius: 8px;
    border: 2px solid var(--color-science-primary);
}

.resultado-teste h4 {
    color: var(--color-science-primary);
    margin-bottom: var(--space-sm);
}

.test-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.test-stat {
    background-color: var(--color-science-light);
    padding: var(--space-sm);
    border-radius: 6px;
    text-align: center;
}

.test-stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.test-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-science-primary);
    font-family: 'Courier New', monospace;
}

.conclusao-box {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--color-white);
    padding: var(--space-md);
    border-radius: 8px;
    margin-top: var(--space-md);
}

.conclusao-box.rejeita {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.conclusao-box h5 {
    margin-bottom: var(--space-xs);
    font-size: 1.1rem;
}

.conclusao-box p {
    margin: 0;
    line-height: 1.6;
}

/* ====================================
   Chart Container
   ==================================== */

.chart-container {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--color-white);
    border-radius: 8px;
    border: 2px solid var(--color-border);
}

.chart-container canvas {
    max-height: 400px;
}

/* ====================================
   Distribution Tables
   ==================================== */

.distribuicoes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.dist-card {
    background-color: var(--color-white);
    padding: var(--space-md);
    border-radius: 8px;
    border: 2px solid var(--color-science-primary);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
}

.dist-card h3 {
    color: var(--color-science-primary);
    margin-bottom: var(--space-xs);
}

.dist-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

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

.dist-table th {
    background-color: var(--color-science-primary);
    color: var(--color-white);
    padding: var(--space-xs);
    text-align: center;
    font-size: 0.9rem;
}

.dist-table td {
    padding: var(--space-xs);
    text-align: center;
    border: 1px solid var(--color-border);
}

.dist-table tr:nth-child(even) {
    background-color: var(--color-science-light);
}

/* ====================================
   Info Boxes
   ==================================== */

.info-box {
    background-color: #dbeafe;
    border-left: 4px solid var(--color-science-primary);
    padding: var(--space-sm);
    margin: var(--space-md) 0;
    border-radius: 4px;
}

.info-box.warning {
    background-color: #fef3c7;
    border-left-color: #f59e0b;
}

.info-box.success {
    background-color: #d1fae5;
    border-left-color: #10b981;
}

.info-box strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.info-box p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ====================================
   Responsive Design
   ==================================== */

@media (max-width: 768px) {
    .stats-main {
        padding-top: 80px;
    }
    
    .stats-tabs {
        flex-direction: column;
    }
    
    .stats-tab {
        width: 100%;
        min-width: auto;
    }
    
    .stats-content {
        padding: var(--space-md);
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .distribuicoes-grid {
        grid-template-columns: 1fr;
    }
    
    .test-result-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stats-header h1 {
        font-size: 2rem;
    }
    
    .stats-subtitle {
        font-size: 1rem;
    }
    
    .result-value {
        font-size: 0.95rem;
    }
    
    .test-stat-value {
        font-size: 1.2rem;
    }
}