/*
 * Custom multi-select dropdown component.
 * Enhances any <select multiple data-multiselect> element on the page.
 * The native <select> is visually hidden but kept in the DOM so
 * form submission and `.selectedOptions` continue to work.
 */

.ms-wrapper {
    position: relative;
    display: inline-block;
    min-width: 12rem;
    max-width: 100%;
    vertical-align: middle;
}

.ms-wrapper.ms-block {
    display: block;
    width: 100%;
}

.ms-native {
    /* Visually hidden — do not use display:none so form submission works */
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
    pointer-events: none !important;
}

.ms-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    width: 100%;
    min-height: 2.25rem;
    padding: 0.4rem 0.75rem;
    background: white;
    border: 1.5px solid var(--color-border);
    color: var(--color-text-main);
    font-size: 0.9375rem;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.ms-trigger:hover {
    border-color: var(--color-primary-hover);
}

.ms-trigger:focus {
    outline: none;
    border-color: var(--color-primary-hover);
    box-shadow: var(--shadow-focus-primary);
}

.ms-trigger-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ms-trigger-placeholder {
    color: var(--color-text-soft);
}

.ms-trigger-caret {
    font-size: 0.75rem;
    color: var(--color-text-soft);
    transition: transform 0.15s;
    flex-shrink: 0;
}

.ms-wrapper.ms-open .ms-trigger-caret {
    transform: rotate(180deg);
}

.ms-wrapper.ms-open .ms-trigger {
    border-color: var(--color-primary-hover);
    box-shadow: var(--shadow-focus-primary);
}

.ms-panel {
    position: absolute;
    z-index: 2000;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    display: none;
    max-height: 16rem;
    overflow-y: auto;
    background: white;
    border: 1.5px solid var(--color-primary-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 100%;
}

.ms-wrapper.ms-open .ms-panel {
    display: block;
}

.ms-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--color-text-main);
    user-select: none;
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background 0.12s;
}

.ms-option:last-child {
    border-bottom: none;
}

.ms-option-all {
    background: var(--color-bg-muted);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
    border-bottom: 1.5px solid var(--color-border);
}

.ms-option:hover,
.ms-option:focus-visible {
    background: var(--color-bg-muted);
    outline: none;
}

.ms-option-all:hover,
.ms-option-all:focus-visible {
    background: var(--color-bg-muted-alt);
}

.ms-option-selected {
    background: rgba(122, 40, 18, 0.08);
    color: var(--color-primary);
}

.ms-option-selected:hover,
.ms-option-selected:focus-visible {
    background: rgba(122, 40, 18, 0.14);
}

.ms-option-all.ms-option-selected,
.ms-option-all.ms-option-indeterminate {
    background: rgba(122, 40, 18, 0.12);
    color: var(--color-primary);
}

.ms-option-all.ms-option-selected:hover,
.ms-option-all.ms-option-indeterminate:hover {
    background: rgba(122, 40, 18, 0.18);
}

.ms-option-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ms-checkbox {
    flex-shrink: 0;
    width: 1.05rem;
    height: 1.05rem;
    border: 1.5px solid var(--color-border);
    background: white;
    position: relative;
    transition: background 0.15s, border-color 0.15s;
}

.ms-option-selected .ms-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.ms-option-selected .ms-checkbox::after {
    content: '';
    position: absolute;
    left: 0.28rem;
    top: 0.05rem;
    width: 0.32rem;
    height: 0.62rem;
    border: solid white;
    border-width: 0 0.16rem 0.16rem 0;
    transform: rotate(45deg);
}

.ms-option-indeterminate .ms-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.ms-option-indeterminate .ms-checkbox::after {
    content: '';
    position: absolute;
    left: 0.2rem;
    right: 0.2rem;
    top: 50%;
    height: 0.16rem;
    background: white;
    transform: translateY(-50%);
}

.ms-option-indeterminate.ms-option-selected .ms-checkbox::after {
    /* Prefer the full check when both classes present */
    left: 0.28rem;
    right: auto;
    top: 0.05rem;
    width: 0.32rem;
    height: 0.62rem;
    background: transparent;
    border: solid white;
    border-width: 0 0.16rem 0.16rem 0;
    transform: rotate(45deg);
}

.ms-empty {
    padding: 0.6rem 0.75rem;
    color: var(--color-text-soft);
    font-style: italic;
    font-size: 0.9375rem;
}