#bf-add-price-modal {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    overflow-y: auto;
    padding: 16px;
    box-sizing: border-box;
}

#bf-add-price-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

#bf-add-price-box {
    position: relative;
    width: 400px;
    max-width: 100%;
    max-height: calc(100dvh - 40px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    margin: 40px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-sizing: border-box;
}

#bf-add-price-box label {
    font-weight: 600;
}

#bf-add-price-box input,
#bf-add-price-box select,
#bf-add-price-box button {
    font-size: 16px;
}

#bf-add-price-box input,
#bf-add-price-box select {
    width: 100%;
    min-height: 44px;
    padding: 8px 10px;
    box-sizing: border-box;
}

#bf-add-price-submit {
    min-height: 44px;
    padding: 10px 16px;
}

#bf-add-price-close {
    min-width: 44px;
    min-height: 44px;
}

.bf-field-helper {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.4;
    color: #555;
}

.bf-message {
    margin: 12px 0;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
}

.bf-message-info {
    background: #f0f0f0;
}

.bf-message-success {
    background: #e8f7e8;
}

.bf-message-error {
    background: #fde8e8;
}

@media (max-width: 480px) {
    #bf-add-price-modal {
        padding: 8px;
        padding-bottom: 32px;
    }

    #bf-add-price-box {
        width: 100%;
        max-height: calc(100dvh - 32px);
        margin: 8px auto;
        padding: 12px;
        padding-bottom: 32px;
    }

    #bf-add-price-box h3 {
        margin-top: 0;
        margin-bottom: 10px;
    }

    #bf-add-price-box p {
        margin: 8px 0;
    }

    #bf-add-price-box input,
    #bf-add-price-box select {
        min-height: 40px;
        padding: 7px 9px;
    }

    .bf-field-helper {
        margin-top: 4px;
        font-size: 12px;
        line-height: 1.3;
    }

    .bf-message {
        margin: 8px 0;
        padding: 8px;
    }

    #bf-add-price-submit {
        width: 100%;
    }
}