/* Entity Path Builder — mw-epb-* prefix */

.mw-epb {
    display: inline-flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    row-gap: 8px;
}

/* NOTE: Arrow between segments */
.mw-epb-arrow {
    color: var(--mud-palette-text-secondary);
    font-size: 12px;
    margin: 0 4px;
    flex-shrink: 0;
    opacity: 0.6;
}

/* NOTE: Each autocomplete select — compact */
.mw-epb-select {
    max-width: 180px;
    flex-shrink: 0;
}

.mw-epb-select .mud-input-root {
    font-size: 13px !important;
}

.mw-epb-popover {
    min-width: 320px !important;
    max-height: 600px;
}

/* NOTE: Border tinting by segment type */
.mw-epb-select--nav .mud-input-outlined .mud-input-outlined-border {
    border-color: rgba(229, 192, 123, 0.5) !important;
}

.mw-epb-select--terminal .mud-input-outlined .mud-input-outlined-border {
    border-color: rgba(190, 88, 200, 0.5) !important;
}

.mw-epb-select--boundary .mud-input-outlined .mud-input-outlined-border {
    border-color: rgba(232, 134, 74, 0.5) !important;
}

/* NOTE: Undo + clear buttons */
.mw-epb-undo {
    opacity: 0.4;
    transition: opacity 150ms;
    margin-left: 4px;
    color: #e8864a !important;
}

.mw-epb-undo:hover {
    opacity: 1;
}

.mw-epb-clear {
    opacity: 0.3;
    transition: opacity 150ms;
}

.mw-epb-clear:hover {
    opacity: 1;
}

/* NOTE: Aggregation select */
.mw-epb-aggregation {
    max-width: 110px;
    flex-shrink: 0;
}

.mw-epb-aggregation .mud-input-root {
    font-size: 12px !important;
}

/* ── Dropdown item layout ── */

.mw-epb-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    min-width: 200px;
}

.mw-epb-item-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mw-epb-item-type {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.mw-epb-type--terminal {
    background: rgba(190, 88, 200, 0.15);
    color: #be58c8;
}

.mw-epb-type--nav {
    background: rgba(229, 192, 123, 0.15);
    color: #e5c07b;
}

.mw-epb-type--boundary {
    background: rgba(232, 134, 74, 0.15);
    color: #e8864a;
}

.mw-epb-item-arrow {
    color: var(--mud-palette-text-secondary);
    font-size: 16px;
    line-height: 1;
    flex-shrink: 0;
}

/* ── Filter chip (inline in the path chain) ── */

.mw-epb-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0 10px;
    margin: 0 4px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    transition: all 150ms;
    flex-shrink: 0;
    height: 40px;
    border: 1px solid transparent;
    position: relative;
}

.mw-epb-filter-chip--empty {
    background: rgba(232, 134, 74, 0.06);
    border: 1px dashed rgba(232, 134, 74, 0.35);
    color: rgba(232, 134, 74, 0.6);
}

.mw-epb-filter-chip--empty:hover {
    border-color: #e8864a;
    border-style: solid;
    color: #e8864a;
    background: rgba(232, 134, 74, 0.12);
}

.mw-epb-filter-chip--active {
    background: rgba(232, 134, 74, 0.1);
    border-color: rgba(232, 134, 74, 0.4);
    color: #e8864a;
}

.mw-epb-filter-chip--active:hover {
    background: rgba(232, 134, 74, 0.16);
    border-color: #e8864a;
}

.mw-epb-filter-chip-icon {
    font-size: 11px;
    flex-shrink: 0;
}

.mw-epb-filter-chip-label {
    font-weight: 500;
    font-size: 11px;
}

.mw-epb-filter-chip-plus {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.5;
}

.mw-epb-filter-chip--empty:hover .mw-epb-filter-chip-plus {
    opacity: 1;
}

.mw-epb-filter-chip-expr {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
}

.mw-epb-filter-expr--unbound {
    white-space: nowrap;
}

.mw-epb-filter-expr--ellipsis {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mw-epb-filter-expr--wrap {
    max-width: 250px;
    white-space: normal;
    line-height: 1.3;
}

/* ── Filter popover (opens on chip click) ── */

.mw-epb-filter-popover {
    min-width: 400px !important;
}

.mw-epb-filter-popover-content {
    padding: 12px 16px;
}

.mw-epb-filter-popover-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
}

.mw-epb-filter-icon {
    color: #e8864a;
    flex-shrink: 0;
}

.mw-epb-filter-label {
    color: #e8864a;
    flex: 1;
}

/* ── Markup output colors ── */

.mw-epb-dot {
    color: var(--mud-palette-text-secondary);
    margin: 0 1px;
}

.mw-epb-seg--nav {
    color: #e5c07b;
}

.mw-epb-seg--terminal {
    color: #be58c8;
    font-weight: 600;
}

.mw-epb-seg--boundary {
    color: #e8864a;
}

.mw-epb-seg--bolt {
    color: #e8864a;
    font-size: 10px;
    margin: 0 1px;
}

/* ── Vertical grouped layout mode ── */
/* Each segment renders as a group (field select + its filter inline), stacked top-to-bottom. */

.mw-epb--vertical {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
}

.mw-epb-stack {
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* NOTE: Segment select stretches to fill its group in vertical mode (overrides the 180px cap). */
.mw-epb--vertical .mw-epb-select {
    max-width: none;
    width: 100%;
}

/* NOTE: Down-arrow connector between stacked groups. */
.mw-epb-connector {
    text-align: center;
    color: var(--mud-palette-text-secondary);
    font-size: 13px;
    line-height: 1;
    padding: 3px 0;
    opacity: 0.55;
    user-select: none;
}

/* NOTE: Group card — left border tinted by segment kind. */
.mw-epb-group {
    position: relative;
    background: var(--mud-palette-background);
    border: 1px solid var(--mud-palette-lines-default);
    border-left-width: 3px;
    border-radius: 8px;
    padding: 8px 10px 10px;
}

.mw-epb-group--nav { border-left-color: #e5c07b; }
.mw-epb-group--boundary { border-left-color: #e8864a; }
.mw-epb-group--term { border-left-color: #be58c8; }

.mw-epb-group--add {
    border-style: dashed;
    border-left-width: 1px;
    background: transparent;
}

.mw-epb-grp-head {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.mw-epb-step-no {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    width: 17px;
    height: 17px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    background: var(--mud-palette-action-default-hover);
    color: var(--mud-palette-text-secondary);
    flex-shrink: 0;
}

.mw-epb-grp-ctx {
    font-size: 11px;
    color: var(--mud-palette-text-secondary);
}

.mw-epb-grp-ent {
    color: var(--mud-palette-text-primary);
    font-weight: 600;
}

.mw-epb-grp-kind {
    font-family: 'IBM Plex Mono', monospace;
    margin-left: 6px;
}

.mw-epb-k--nav { color: #e5c07b; }
.mw-epb-k--boundary { color: #e8864a; }
.mw-epb-k--term { color: #be58c8; }

.mw-epb-grp-del {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--mud-palette-text-secondary);
    font-size: 13px;
    line-height: 1;
    padding: 2px 5px;
    border-radius: 4px;
    opacity: 0.5;
    transition: opacity 150ms, color 150ms, background 150ms;
}

.mw-epb-grp-del:hover {
    opacity: 1;
    color: #e06c75;
    background: rgba(224, 108, 117, 0.12);
}

/* NOTE: Inline boundary filter inside a group. */
.mw-epb-grp-filter {
    margin-top: 9px;
    margin-left: 3px;
    padding-left: 11px;
    border-left: 2px dashed rgba(232, 134, 74, 0.4);
}

.mw-epb-grp-filter-head {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.mw-epb-add-filter {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 9px;
    font-family: inherit;
    font-size: 12px;
    font-weight: 500;
    color: rgba(232, 134, 74, 0.8);
    background: rgba(232, 134, 74, 0.05);
    border: 1px dashed rgba(232, 134, 74, 0.4);
    border-radius: 6px;
    padding: 5px 10px;
    cursor: pointer;
    transition: all 150ms;
}

.mw-epb-add-filter:hover {
    color: #e8864a;
    border-style: solid;
    background: rgba(232, 134, 74, 0.12);
}

/* NOTE: Aggregation reducer (shown when the path crosses a collection). */
.mw-epb-agg-group {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 6px;
    background: linear-gradient(90deg, rgba(232, 134, 74, 0.1), transparent);
    border: 1px solid rgba(232, 134, 74, 0.3);
    border-radius: 8px;
    padding: 7px 10px;
}

.mw-epb-agg-icon {
    color: #e8864a;
    font-size: 14px;
    flex-shrink: 0;
}

.mw-epb-agg-text {
    flex: 1;
    font-size: 11.5px;
    line-height: 1.4;
    color: var(--mud-palette-text-secondary);
}

.mw-epb--vertical .mw-epb-aggregation {
    max-width: 130px;
}

.mw-epb-vtoolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
}

/* ── Collapsed chip + popover ── */

.mw-epb-collapse {
    display: inline-flex;
    max-width: 100%;
}

.mw-epb-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
    row-gap: 4px;
    max-width: 100%;
    padding: 7px 10px;
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    line-height: 1;
    transition: border-color 150ms, box-shadow 150ms, background 150ms;
}

.mw-epb-chip:hover {
    border-color: var(--mud-palette-primary);
}

.mw-epb-chip--open {
    border-color: var(--mud-palette-primary);
    box-shadow: 0 0 0 2px rgba(124, 77, 255, 0.22);
}

.mw-epb-chip-seg {
    font-weight: 600;
    white-space: nowrap;
}

.mw-epb-chip-seg--root { color: #7C4DFF; }
.mw-epb-chip-seg--nav { color: #e5c07b; }
.mw-epb-chip-seg--boundary { color: #e8864a; }
.mw-epb-chip-seg--term { color: #be58c8; }

.mw-epb-chip-sep {
    color: var(--mud-palette-text-secondary);
    font-size: 11px;
    opacity: 0.7;
}

.mw-epb-chip-bolt {
    color: #e8864a;
    font-size: 11px;
}

.mw-epb-chip-placeholder {
    color: var(--mud-palette-text-secondary);
    font-style: italic;
}

.mw-epb-chip-caret {
    color: var(--mud-palette-text-secondary);
    font-size: 10px;
    margin-left: 2px;
}

.mw-epb-chip-agg {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    color: var(--mud-palette-text-secondary);
    background: var(--mud-palette-background);
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 4px;
    padding: 1px 5px;
    margin-left: 2px;
}

.mw-epb-collapse-popover {
    min-width: 400px !important;
    /* NOTE: No explicit width → the popover shrink-to-fits its content (the HTML default for an
       absolutely-positioned box), growing with the condition row up to this cap. */
    max-width: 680px !important;
}

/* ── Compact the inline boundary filter inside a path-builder group ── */
/* Scoped to .mw-epb-grp-filter so MwFilterBuilder keeps its normal sizing everywhere else.
   Shrinks the field / operator / value controls to ~60% so the condition stays on ONE line, and
   drops the 400px group floor so the filter box — and the popover around it — size to their
   content instead of overflowing. */

.mw-epb-grp-filter .mw-fb-group {
    min-width: 0;
    padding: 10px 12px;
}

.mw-epb-grp-filter .mw-fb-condition {
    flex-wrap: nowrap;
    gap: 6px;
}

/* NOTE: Kill the inline min-width floors on every control (and their inner input roots) so the
   explicit widths below take effect — !important beats the component's inline style. */
.mw-epb-grp-filter .mw-fb-condition .mud-input-control {
    min-width: 0 !important;
}

.mw-epb-grp-filter .mw-fb-condition > *:nth-child(1):not(.mw-fb-delete) {
    width: 110px !important;
    min-width: 0 !important;
    flex: 0 0 auto;
}

.mw-epb-grp-filter .mw-fb-condition > *:nth-child(2):not(.mw-fb-delete) {
    width: 110px !important;
    min-width: 0 !important;
    flex: 0 0 auto;
}

.mw-epb-grp-filter .mw-fb-condition > *:nth-child(3):not(.mw-fb-delete) {
    width: 180px !important;
    min-width: 0 !important;
    flex: 0 0 auto;
}

.mw-epb-collapse-popover-content {
    padding: 10px 14px 12px;
}

.mw-epb-collapse-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--mud-palette-lines-default);
    font-size: 13px;
    font-weight: 600;
}

.mw-epb-collapse-on {
    color: var(--mud-palette-text-secondary);
    font-weight: 500;
}

.mw-epb-collapse-root {
    color: #7C4DFF;
}

/* ── Category divider headers (CategorizeFields mode) ── */

.mw-epb-cat-header {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 0 2px;
    margin-top: 4px;
    border-top: 1px solid var(--mud-palette-lines-default);
    pointer-events: none;
}

.mw-epb-cat-h--custom { color: var(--mud-palette-text-secondary); }
.mw-epb-cat-h--prop { color: #be58c8; }
.mw-epb-cat-h--event { color: #e8864a; }
.mw-epb-cat-h--nested { color: #7C4DFF; }
.mw-epb-cat-h--ref { color: #e5c07b; }