.posModifierOverlay {
    position: fixed;
    inset: 0;
    z-index: 250;
    display: none;
    align-items: flex-end;
    justify-content: center;
    padding-top: 30px;
    background: rgba(0,54,70,.58);
    backdrop-filter: blur(4px);
}

.posModifierOverlay.open {
    display: flex;
}

.posModifierSheet {
    width: min(620px,100%);
    max-height: 92vh;
    overflow: auto;
    padding: 18px;
    border-radius: 22px 22px 0 0;
    background: #fffaf5;
    box-shadow: 0 -18px 50px rgba(0,0,0,.22);
}

.posModifierTop {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(0,120,157,.14);
}

.posModifierTop small {
    color: #f6a30a;
    font-size: 10px;
    font-weight: 950;
    letter-spacing: .12em;
}

.posModifierTop h2 {
    margin: 3px 0 0;
    color: #00789d;
    font-family: "Arial Black",Impact,sans-serif;
    font-size: 27px;
    line-height: 1;
    letter-spacing: -.04em;
}

.posModifierTop > button {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: #eaf7fa;
    color: #00789d;
    font-size: 24px;
}

.posModifierGroup {
    margin-top: 15px;
}

.posModifierGroupHead {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.posModifierGroupHead b {
    color: #171717;
}

.posModifierGroupHead small {
    color: #00789d;
    font-size: 9px;
    font-weight: 950;
}

.posModifierChoices {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 8px;
}

.posModifierChoice {
    min-width: 0;
    min-height: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 11px 12px;
    border: 1.5px solid rgba(0,120,157,.18);
    border-radius: 12px;
    background: white;
    color: #00789d;
    text-align: left;
    font-weight: 850;
}

.posModifierChoice.active {
    border-color: #f6a30a;
    background: #f6a30a;
    color: #171717;
}

.posModifierChoice b {
    white-space: nowrap;
    font-size: 11px;
}

.posModifierActions {
    position: sticky;
    bottom: -18px;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 8px;
    margin: 16px -18px -18px;
    padding: 12px 18px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255,250,245,.97);
    border-top: 1px solid rgba(0,120,157,.13);
}

@media (max-width:520px) {
    .posModifierSheet {
        padding: 15px;
    }

    .posModifierChoices {
        grid-template-columns: 1fr 1fr;
    }

    .posModifierChoice {
        padding: 10px 8px;
        font-size: 12px;
    }

    .posModifierActions {
        margin-left: -15px;
        margin-right: -15px;
        margin-bottom: -15px;
        padding-left: 15px;
        padding-right: 15px;
        grid-template-columns: 105px 1fr;
    }
}