.multi-select, .multi-select * {
    box-sizing: border-box;
}

.multi-select {
    position: relative;
    width: 100%;
    user-select: none;
    box-sizing: border-box;
    --ms-height: var(--bs-form-select-height, 2.375rem);
    --ms-border: var(--bs-border-color, #dee2e6);
    --ms-radius: var(--bs-border-radius, .375rem);
    --ms-focus: var(--bs-primary, #0d6efd);
    --ms-bg-muted: #f3f4f7;
    --ms-text-muted: #65727e;
    --ms-shadow: 0 .2rem .6rem rgba(0, 0, 0, .06);
    --ms-color: #5943CD;
}

.multi-select .multi-select-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .35rem;
    padding: 0 2rem 0 .75rem;
    height: calc(var(--ms-height) + 2px);
    border: 1px solid var(--ms-border);
    border-radius: var(--ms-radius);
    background: #fff;
    cursor: pointer;
    overflow: hidden;
}

.multi-select .multi-select-header:after {
    content: "";
    position: absolute;
    right: .75rem;
    top: 50%;
    transform: translateY(-50%);
    width: .75rem;
    height: .75rem;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23949ba3' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

.multi-select .multi-select-header.multi-select-header-active {
    border-color: #c1c9d0;
    box-shadow: inset 0 0 0 1px #c1c9d0;
}

.multi-select.is-invalid .multi-select-header {
    border-color: var(--bs-danger, #dc3545);
}

.multi-select.is-invalid .multi-select-header:focus-within {
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .25);
}

.multi-select .multi-select-header-placeholder {
    color: var(--ms-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.multi-select .multi-select-header-option,
.multi-select .multi-select-header-more,
.multi-select .multi-select-header-count {
    display: inline-flex;
    align-items: center;
    border-radius: .375rem;
    font-size: .875rem;
    padding: 0 .5rem;
    background: var(--ms-bg-muted);
    color: #333;
}

.multi-select .multi-select-header-max {
    font-size: .875rem;
    color: var(--ms-text-muted);
}

.multi-select .multi-select-options {
    position: absolute;
    z-index: 999;
    top: calc(100% + .375rem);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--ms-border);
    border-radius: .5rem;
    padding: .25rem;
    box-shadow: var(--ms-shadow);
    max-height: 300px;
    overflow: auto;
    display: none;
    overflow-x: hidden;
}

.multi-select .multi-select-header.multi-select-header-active + .multi-select-options {
    display: block;
}

.multi-select .multi-select-search {
    box-sizing: border-box;
    width: 100%;
    margin: 0;
    padding: .5rem .75rem;
    border: 1px solid var(--ms-border);
    border-radius: .375rem;
    outline: 0;
    font-size: 1rem;
}

.multi-select .multi-select-all,
.multi-select .multi-select-option {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem .75rem;
    cursor: pointer;
    border-radius: .375rem;
}

.multi-select .multi-select-option:hover,
.multi-select .multi-select-all:hover {
    background: #f8f9fa;
}

.multi-select .multi-select-option-radio {
    width: 16px;
    height: 16px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    flex-shrink: 0;
}

.multi-select .multi-select-option.multi-select-selected .multi-select-option-radio,
.multi-select .multi-select-all.multi-select-selected .multi-select-option-radio {
    border-color: var(--ms-color);
    background: var(--ms-color);
}

.multi-select .multi-select-option.multi-select-selected .multi-select-option-radio::after,
.multi-select .multi-select-all.multi-select-selected .multi-select-option-radio::after {
    content: "";
    display: block;
    width: 3px;
    height: 7px;
    margin: .12em 0 0 .27em;
    border: solid #fff;
    border-width: 0 .15em .15em 0;
    transform: rotate(45deg);
}

.multi-select .multi-select-option .multi-select-option-text {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.multi-select .multi-select-option.multi-select-selected .multi-select-option-text,
.multi-select .multi-select-all.multi-select-selected .multi-select-option-text {
    color: var(--ms-color);
}

/* loader + messages */
.multi-select .ms-remote-state {
    padding: .75rem;
    color: #6c757d;
    font-size: .875rem;
}

.multi-select .ms-spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: .15rem solid #e9ecef;
    border-top-color: var(--ms-color);
    border-radius: 50%;
    display: inline-block;
    animation: ms-spin .9s linear infinite;
    margin-right: .5rem;
}

@keyframes ms-spin {
    to {
        transform: rotate(360deg);
    }
}