/* Main Styles */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --border-color: #ddd;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Tab Styles */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    border: 1px solid transparent;
    border-bottom: none;
    margin-right: 5px;
}

.tab.active {
    background: white;
    border-color: var(--border-color);
    border-bottom: 1px solid white;
    margin-bottom: -1px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab {
        margin-right: 0;
        margin-bottom: 5px;
    }
}