/* Responsive Design: Media queries for mobile and tablet */

/* Tablet: 768px - 1023px */
@media (max-width: 1023px) {
    .sidebar {
        width: 200px;
    }
    
    .content-area {
        padding: 30px;
    }
    
    .header-title {
        font-size: 18px;
    }

    /* Banner: use mobile height on tablet */
    .page-banner {
        width: calc(100vw - 200px);
        margin-top: -30px;
        margin-bottom: 30px;
    }
}

/* Mobile: < 768px */
@media (max-width: 767px) {
    .hamburger-btn {
        display: flex;
    }
    
    .sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        max-width: 250px;
        height: calc(100vh - var(--header-height));
        z-index: 99;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
        background-color: #E5E3D7;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-container {
        flex-direction: column;
    }
    
    .content-area {
        flex: 1;
        padding: 20px;
    }
    
    .header {
        padding: 0 15px;
    }
    
    .header-title {
        font-size: 14px;
    }
    
    .page-content h1 {
        font-size: 24px;
    }
    
    .page-content h2 {
        font-size: 18px;
    }
    
    .page-content p {
        font-size: 16px;
    }
    
    .chart-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .chart-container iframe {
        height: 400px;
        min-width: 800px;
    }
    
    .chart-description {
        padding: 15px;
    }

    /* Banner: mobile height */
    .page-banner {
        width: 100vw;
        margin-top: -20px;
        margin-bottom: 20px;
    }
}

/* Small mobile: < 480px */
@media (max-width: 479px) {
    .header-title {
        font-size: 12px;
    }
    
    .page-content h1 {
        font-size: 20px;
    }
    
    .page-content h2 {
        font-size: 16px;
    }
    
    .chart-container iframe {
        height: 300px;
    }
}