@media (max-width: 900px) {
    #mainForm {
        width: 95%;
        margin: 24px auto;
        padding: 28px 20px;
    }

    .row {
        width: 100%;
        padding: 0 16px;
    }

    button,
    .row button,
    .row [id$='Btn'] {
        min-width: 360px;
        max-width: 600px;
        font-size: 1rem;
        padding: 12px 24px;
    }

    .swal2-input,
    .swal2-textarea {
        display: block;
        margin: 10px auto;
        text-align: left;
        opacity: 0.6;
    }

    .swal2-confirm,
    .swal2-cancel {
        justify-content: center !important;
        padding: 10px 16px !important;
        min-width: 100px !important;
    }
}

@media (max-width: 600px) {
    #mainForm {
        width: 100%;
        margin: 0;
        border-radius: 0;
        padding: 20px 16px;
    }

    .wallet-controls {
        gap: 12px;
        flex-direction: column;
        align-items: stretch;
    }

    .row button,
    .row [id$='Btn'] {
        width: 100%;
        max-width: none;
        min-width: unset;
        margin: 0;
        padding: 14px 20px;
        font-size: 1rem;
    }

    .theme-btn {
        top: 4px;
        right: 4px;
    }

    .row label {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 8px;
        margin-bottom: 8px;
    }

    .row label input[type="text"] {
        width: 100%;
        margin: 0;
    }

    #user-wallet-info {
        margin: 8px 0;
        width: 100%;
        font-size: 0.9rem;
        line-height: 1.4;
    }

    .copyright {
        font-size: 0.8rem;
        padding: 8px 0;
        margin-top: -8px;
    }

    .swal2-input,
    .swal2-textarea {
        display: block;
        margin: 10px auto;
        text-align: left;
        opacity: 0.6;
    }

    .swal2-confirm,
    .swal2-cancel {
        justify-content: center !important;
        padding: 10px 16px !important;
        min-width: 100px !important;
    }
}

@media (max-width: 480px) {
    h2 {
        font-size: 1.8rem;
        margin-bottom: 18px;
    }

    #price-ticker {
        font-size: 14px;
        padding: 12px 0 8px 0;
        margin-bottom: 20px;
    }

    input,
    select,
    textarea {
        font-size: 0.95rem;
        padding: 8px 12px;
    }

    .result {
        font-size: 1rem;
        padding: 11px 16px;
    }

    .row label {
        gap: 6px;
        margin-bottom: 6px;
    }

    #user-wallet-info {
        font-size: 0.85rem;
        line-height: 1.3;
        word-break: break-all;
        overflow-wrap: break-word;
    }

    .copyright {
        font-size: 0.75rem;
        padding: 6px 0;
        margin-top: -6px;
    }

    .swal2-input,
    .swal2-textarea {
        display: block;
        margin: 10px auto;
        text-align: left;
        opacity: 0.6;
    }

    .swal2-confirm,
    .swal2-cancel {
        justify-content: center !important;
        padding: 10px 16px !important;
        min-width: 100px !important;
    }
}