/* 412 x 915 */
@media (max-width: 412px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 0 10px;
    }

    main {
        padding-bottom: 175px;
    }

    .redemption-controls {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 900;
        margin: 0;
        border-radius: 0;
        padding: 8px 10px;
        gap: 8px;
        background-color: var(--secondary-color);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.35);
        border-top: 1px solid var(--primary-color);
    }

    .selection-counter {
        width: 100%;
        text-align: center;
        margin: 0;
        font-size: 0.85rem;
    }

    .redeem-buttons {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .redeem-buttons .button {
        width: 100%;
        padding: 9px 8px;
        font-size: 0.95rem;
        min-height: 40px;
    }

    #redeem-btn {
        grid-column: span 2;
        font-weight: 600;
    }

    .inventory-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .grid-item {
        border-width: 2px;
    }

    .tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 6px;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
    }

    .tab-link {
        flex: 0 0 auto;
        padding: 8px 10px;
        font-size: 0.9rem;
        min-height: 36px;
        white-space: nowrap;
    }

    .package-header {
        padding: 12px 14px;
        gap: 8px;
    }

    .package-header h2 {
        font-size: 1.1rem;
    }

    .package-content {
        padding: 0 14px;
    }

    .inventory-header {
        gap: 8px;
        margin-bottom: 10px;
    }

    .inventory-controls {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }

    .sort-select {
        width: 100%;
        min-height: 36px;
        font-size: 0.95rem;
    }

    .pagination {
        width: 100%;
        justify-content: space-between;
    }

    .page-btn {
        min-height: 34px;
        padding: 6px 10px;
        font-size: 0.9rem;
    }

    .modal-content {
        width: 95%;
        margin: 0 auto;
    }

    .toggle-wrapper {
        width: 100%;
        box-sizing: border-box;
        margin-right: 0 !important;
        justify-content: center; 
        background-color: var(--secondary-color);
        padding: 8px;
        border-radius: 4px;
        margin-bottom: 8px;
        border: 1px solid var(--primary-color);
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }
    
    .switch {
        transform: scale(0.9); 
    }
}

/* 393 x 892 */
@media (max-width: 393px) {
    body {
        font-size: 13px;
    }

    .container {
        padding: 0 8px;
    }

    main {
        padding-bottom: 190px;
    }

    nav ul li:first-child span {
        display: none;
    }

    .inventory-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 7px;
    }

    .redeem-buttons .button {
        font-size: 0.9rem;
        padding: 8px 6px;
        min-height: 38px;
    }

    .tab-link {
        font-size: 0.85rem;
        padding: 7px 9px;
    }

    .package-header h2 {
        font-size: 1.05rem;
    }

    .package-header span {
        font-size: 0.8rem;
    }

    .toggle-wrapper {
        padding: 5px;
        min-height: 38px;
        margin-bottom: 6px;
    }

    .toggle-wrapper span {
        font-size: 0.85rem !important;
    }
    
    .switch {
        transform: scale(0.85);
    }
}