.slot-selection-hint {
    margin: 4px 0 16px;
    font-size: .95rem;
    font-weight: 600;
}

.customer-slot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 22px;
}

.customer-slot.free {
    background: #eef5ff;
    border-color: #b8cdec;
}

.customer-slot.free:hover {
    background: #deebfc;
    border-color: #6b98d5;
}

.customer-slot input:checked + span {
    background: #4d82c8;
    border-color: #3568ad;
    color: #fff;
}

.customer-slot.booked,
.customer-slot.booked:hover {
    background: #e5e7eb !important;
    border-color: #9ca3af !important;
    color: #6b7280 !important;
    cursor: not-allowed;
    opacity: .78;
}

.slot-note {
    display: block;
    margin-top: 4px;
    font-size: .8rem;
    font-weight: 700;
}

@media (max-width: 700px) {
    .customer-slot-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 430px) {
    .customer-slot-grid {
        grid-template-columns: 1fr;
    }
}