@media (max-width: 1200px) {
    .cards-container {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .header-right {
        flex-wrap: wrap;
        gap: 12px;
    }

    .market-pulse {
        flex-wrap: wrap;
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-left,
    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .filters {
        width: 100%;
        flex-wrap: wrap;
    }

    .filter-select {
        flex: 1;
        min-width: 120px;
    }

    .scanner-table {
        font-size: 12px;
    }

    .scanner-table th,
    .scanner-table td {
        padding: 8px 4px;
    }

    .tf-cell {
        min-width: 60px;
    }

    .cards-container {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .market-pulse {
        padding: 12px 16px;
    }

    .pulse-item {
        padding: 4px 8px;
    }

    .pulse-label {
        display: none;
    }

    .content-area {
        padding: 16px;
    }

    .view-toggle {
        width: 100%;
    }

    .view-btn {
        flex: 1;
        text-align: center;
    }
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

@media (max-width: 992px) {
    .sidebar-overlay {
        display: none;
    }

    .sidebar.open ~ .sidebar-overlay {
        display: block;
    }
}