/*
 * Free-tools dashboard styling.
 *
 * Sections in this file:
 * - directory-scoped tokens and dark-mode overrides
 * - shell/titlebar/sidebar structure
 * - filter controls and selector lists
 * - tool/reference cards and grouped result grids
 * - desktop scroll-shell choreography and responsive fallbacks
 */
.directory-page {
    --directory-shell-offset: 1rem;
    --directory-shell-height: 70vh;
    --directory-footer-reveal-space: 18rem;
    --directory-titlebar-gap: 0.85rem;
    --directory-titlebar-height: 5rem;
    --directory-hero-height: 8rem;
    --aw-ft-surface-radius: var(--aw-free-tools-surface-radius, 4px);
    --aw-ft-button-radius: var(--aw-free-tools-button-radius, 4px);
    --aw-ft-card-shadow: var(--aw-free-tools-card-shadow, 0 8px 18px rgba(9, 79, 113, 0.08));
    --aw-ft-titlebar-shadow: 0 10px 22px rgba(9, 79, 113, 0.22);
    --aw-ft-ghost-shadow: 0 16px 32px rgba(9, 79, 113, 0.16);
    --aw-ft-surface-bg: var(--white);
    --aw-ft-surface-muted: var(--lightgrey);
    --aw-ft-surface-subtle: var(--lightgrey);
    --aw-ft-text-primary: var(--darkblue);
    --aw-ft-text-secondary: var(--grey);
    --aw-ft-text-muted: var(--grey);
    --aw-ft-border-color: rgba(9, 79, 113, 0.16);
    --aw-ft-border-strong: rgba(9, 79, 113, 0.22);
    --aw-ft-border-soft: rgba(9, 79, 113, 0.12);
    --aw-ft-border-faint: rgba(9, 79, 113, 0.08);
    --aw-ft-accent-soft: rgba(48, 121, 178, 0.08);
    --aw-ft-accent-strong: rgba(48, 121, 178, 0.38);
    --aw-ft-focus-ring: rgba(48, 121, 178, 0.16);
    --aw-ft-inverse-text: var(--white);
    --aw-ft-inverse-muted: rgba(255, 255, 255, 0.72);
    --aw-ft-hero-bg: linear-gradient(90deg, rgba(9, 79, 113, 0.08), rgba(48, 121, 178, 0.05)), var(--aw-ft-surface-bg);
    --aw-ft-titlebar-bg: linear-gradient(90deg, var(--blue), var(--darkblue));
    --aw-ft-card-hover-bg: linear-gradient(0deg, var(--aw-ft-accent-soft), var(--aw-ft-accent-soft)), var(--aw-ft-surface-bg);
    --aw-ft-card-hover-border: rgba(48, 121, 178, 0.38);
    --aw-ft-card-focus-shadow: 0 22px 42px rgba(9, 79, 113, 0.18), inset 0 0 0 2px rgba(48, 121, 178, 0.55);
    --aw-ft-card-hover-shadow: 0 22px 42px rgba(9, 79, 113, 0.18);
    --aw-ft-scroll-thumb: rgba(9, 79, 113, 0.28);
    --aw-ft-success-bg: rgba(81, 187, 110, 0.15);
    --aw-ft-success-text: var(--darkgreen);
    --aw-ft-warning-bg: rgba(240, 120, 24, 0.14);
    --aw-ft-warning-text: var(--orange);
    --aw-ft-type-bg: rgba(48, 121, 178, 0.08);
    --aw-ft-type-text: var(--darkblue);
    --aw-ft-disabled-bg: var(--aw-ft-surface-muted);
    --aw-ft-disabled-text: var(--aw-ft-text-muted);
    max-width: 1500px;
}

#references {
    scroll-margin-top: 7rem;
}

body.dark-mode .directory-page {
    --aw-ft-card-shadow: 0 10px 22px rgba(0, 0, 0, 0.26);
    --aw-ft-titlebar-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
    --aw-ft-ghost-shadow: 0 16px 32px rgba(0, 0, 0, 0.32);
    --aw-ft-surface-bg: var(--darkgrey);
    --aw-ft-surface-muted: var(--offblack);
    --aw-ft-surface-subtle: var(--darkergrey);
    --aw-ft-text-primary: var(--lightgrey);
    --aw-ft-text-secondary: var(--mediumgrey);
    --aw-ft-text-muted: var(--mediumgrey);
    --aw-ft-border-color: rgba(255, 255, 255, 0.14);
    --aw-ft-border-strong: rgba(255, 255, 255, 0.18);
    --aw-ft-border-soft: rgba(255, 255, 255, 0.1);
    --aw-ft-border-faint: rgba(255, 255, 255, 0.08);
    --aw-ft-accent-soft: rgba(114, 195, 229, 0.12);
    --aw-ft-accent-strong: rgba(114, 195, 229, 0.42);
    --aw-ft-focus-ring: rgba(114, 195, 229, 0.22);
    --aw-ft-inverse-muted: rgba(255, 255, 255, 0.78);
    --aw-ft-card-hover-bg: linear-gradient(0deg, var(--aw-ft-accent-soft), var(--aw-ft-accent-soft)), var(--aw-ft-surface-bg);
    --aw-ft-card-hover-border: rgba(114, 195, 229, 0.42);
    --aw-ft-card-focus-shadow: 0 22px 42px rgba(0, 0, 0, 0.34), inset 0 0 0 2px rgba(114, 195, 229, 0.48);
    --aw-ft-card-hover-shadow: 0 22px 42px rgba(0, 0, 0, 0.32);
    --aw-ft-scroll-thumb: rgba(255, 255, 255, 0.24);
    --aw-ft-success-bg: rgba(81, 187, 110, 0.16);
    --aw-ft-success-text: var(--green);
    --aw-ft-warning-bg: rgba(240, 120, 24, 0.18);
    --aw-ft-warning-text: var(--yellow);
    --aw-ft-type-bg: rgba(114, 195, 229, 0.12);
    --aw-ft-type-text: var(--lightgrey);
    --aw-ft-disabled-bg: var(--offblack);
    --aw-ft-disabled-text: var(--mediumgrey);
}

.titleBar {
    min-height: 76px;
}

.titleBar h1 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 76px;
    padding: 0.3em 0.8em !important;
    font-size: 1.9rem !important;
    line-height: 1.05;
}

.directory-hero,
.directory-panel,
.directory-sidebar,
.directory-card,
.directory-reference-card,
.directory-category,
.directory-empty {
    border: 1px solid var(--aw-ft-border-color);
    background: var(--aw-ft-surface-bg);
    box-shadow: var(--aw-ft-card-shadow);
}

.directory-hero,
.directory-panel,
.directory-sidebar,
.directory-card,
.directory-reference-card,
.directory-category,
.directory-empty,
.directory-filter,
.directory-chip,
.directory-view-toggle button,
.directory-action,
.directory-selector,
.directory-card-details,
.directory-sidebar-section {
    border-radius: var(--aw-ft-surface-radius);
}

/* Desktop app-shell wrapper that supports the contained scroll behavior. */
.directory-shell-wrap {
    position: relative;
    min-height: calc(var(--directory-shell-height) + var(--directory-footer-reveal-space));
}

.directory-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1rem;
    align-items: stretch;
}

.directory-hero {
    flex: 0 0 auto;
    padding: 1rem 1.15rem 1.05rem;
    margin-bottom: 1rem;
    background: var(--aw-ft-hero-bg);
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
    will-change: opacity, transform, max-height, padding, margin;
    transition: opacity 0.16s ease, transform 0.16s ease, max-height 0.16s ease, padding 0.16s ease, margin 0.16s ease;
}

.directory-content-titlebar {
    flex: 0 0 auto;
    padding: 0.9rem 1.15rem;
    margin-bottom: var(--directory-titlebar-gap);
    border: 1px solid var(--aw-ft-border-color);
    background: var(--aw-ft-titlebar-bg);
    box-shadow: var(--aw-ft-titlebar-shadow);
    color: var(--aw-ft-inverse-text);
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
    will-change: opacity, transform, max-height, padding;
    transition: opacity 0.16s ease, transform 0.16s ease, max-height 0.16s ease, padding 0.16s ease;
}

.directory-content-titlebar h2 {
    margin: 0;
    color: var(--aw-ft-inverse-text);
    font-size: 1.85rem;
    font-weight: 400;
    line-height: 1.1;
}

.directory-content-titlebar.is-faded {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.directory-hero h2,
.directory-hero h3,
.directory-hero h4,
.directory-panel h2,
.directory-category h3,
.directory-sidebar h3 {
    color: var(--aw-ft-text-primary);
}

.directory-hero h4 {
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.35;
}

.directory-hero p,
.directory-panel p,
.directory-card p,
.directory-category-note,
.directory-sidebar p,
.directory-empty p,
.directory-reference-card p {
    color: var(--aw-ft-text-secondary);
    font-size: 0.95rem;
}

.directory-main-shell {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    height: 100%;
}

/* Sticky filter/navigation rail for the hub page. */
.directory-sidebar {
    align-self: start;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.7rem;
    height: auto;
    max-height: var(--directory-shell-height, calc(100vh - 2rem));
    padding: 0.8rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--aw-ft-scroll-thumb) transparent;
}

.directory-main {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    height: auto;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    scrollbar-gutter: stable both-edges;
    scrollbar-width: thin;
    scrollbar-color: var(--aw-ft-scroll-thumb) transparent;
}

.directory-sidebar::-webkit-scrollbar,
.directory-main::-webkit-scrollbar {
    width: 10px;
}

.directory-sidebar::-webkit-scrollbar-thumb,
.directory-main::-webkit-scrollbar-thumb {
    background: var(--aw-ft-scroll-thumb);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.directory-sidebar::-webkit-scrollbar-track,
.directory-main::-webkit-scrollbar-track {
    background: transparent;
}

.directory-sidebar-section + .directory-sidebar-section {
    margin-top: 0;
}

.directory-sidebar-section {
    flex: 0 0 auto;
    border: 1px solid var(--aw-ft-border-soft);
    background: var(--aw-ft-surface-subtle);
}

.directory-sidebar-section summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.8rem;
    cursor: pointer;
    color: var(--aw-ft-text-primary);
    font-size: 0.95rem;
    font-weight: 700;
    list-style: none;
}

.directory-sidebar-heading {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.directory-help-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.15rem;
    height: 1.15rem;
    min-width: 1.15rem;
    border-radius: 999px;
    background: var(--aw-ft-accent-soft) !important;
    color: var(--aw-ft-text-primary) !important;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    box-shadow: none !important;
}

.directory-help-trigger:hover,
.directory-help-trigger:focus-visible {
    background: var(--aw-ft-accent-strong) !important;
    color: var(--aw-ft-text-primary) !important;
    outline: none;
}

.directory-sidebar-section summary::-webkit-details-marker {
    display: none;
}

.directory-sidebar-section summary small {
    color: var(--aw-ft-text-muted);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.directory-sidebar-content {
    padding: 0 0.8rem 0.8rem;
}

.directory-sidebar-note {
    margin-bottom: 0.7rem;
    font-size: 0.85rem;
}

.directory-selector-list,
.directory-type-list {
    display: grid;
    gap: 0.45rem;
}

.directory-selector {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--aw-ft-border-color);
    background: var(--aw-ft-surface-subtle);
    color: var(--aw-ft-text-primary);
    text-align: left;
    font-size: 0.9rem;
    font-weight: 700;
    transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.directory-selector:hover,
.directory-selector:focus-visible {
    background: var(--aw-ft-accent-soft);
    border-color: var(--aw-ft-accent-strong);
    box-shadow: 0 0 0 1px var(--aw-ft-focus-ring);
    outline: none;
}

.directory-selector.is-active {
    background: var(--darkblue);
    color: var(--aw-ft-inverse-text);
    border-color: var(--darkblue);
}

.directory-selector small {
    flex: 0 0 auto;
    font-size: 0.8rem;
    opacity: 0.88;
}

.directory-selector-main {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    min-width: 0;
}

.directory-selector-copy {
    display: grid;
    gap: 0.08rem;
    min-width: 0;
}

.directory-selector-label {
    color: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
    white-space: normal;
}

.directory-selector-context {
    color: var(--aw-ft-text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.25;
    white-space: normal;
}

.directory-selector.is-active .directory-selector-context {
    color: var(--aw-ft-inverse-muted);
}

.directory-panel {
    padding: 0.95rem;
    margin-bottom: 1rem;
}

.directory-filter-panel {
    position: sticky;
    top: 0;
    z-index: 12;
}

.directory-toolbar {
    display: grid;
    grid-template-columns: minmax(240px, 1.8fr) minmax(200px, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.directory-filter {
    width: 100%;
    min-height: 44px;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--aw-ft-border-color);
    background: var(--aw-ft-surface-bg);
    color: var(--aw-ft-text-primary);
    font-size: 0.95rem;
}

.directory-filter:focus {
    outline: 2px solid var(--aw-ft-focus-ring);
    border-color: var(--aw-ft-accent-strong);
}

.directory-view-toggle {
    display: inline-flex;
    border: 1px solid var(--aw-ft-border-color);
    overflow: hidden;
}

.directory-view-toggle button {
    border: 0;
    background: var(--aw-ft-surface-subtle);
    color: var(--aw-ft-text-primary);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.7rem 0.95rem;
}

.directory-view-toggle button.is-active {
    background: var(--darkblue);
    color: var(--aw-ft-inverse-text);
}

.directory-summary {
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
}

.directory-chip {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    padding: 0.32rem 0.58rem;
    border: 1px solid var(--aw-ft-border-soft);
    background: var(--aw-ft-surface-subtle);
    color: var(--aw-ft-text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
}

.directory-chip strong {
    color: var(--aw-ft-text-primary);
}

.directory-summary-control {
    position: relative;
}

.directory-chip-button {
    cursor: pointer;
    list-style: none;
    background: var(--aw-ft-surface-bg);
    user-select: none;
}

.directory-chip-button::-webkit-details-marker {
    display: none;
}

.directory-chip-value {
    color: var(--aw-ft-text-primary);
}

.directory-chip-caret {
    color: var(--aw-ft-text-muted);
    font-size: 0.72rem;
    transition: transform 0.16s ease;
}

.directory-summary-control[open] .directory-chip-button {
    border-color: var(--aw-ft-accent-strong);
    box-shadow: 0 0 0 1px var(--aw-ft-focus-ring);
}

.directory-summary-control[open] .directory-chip-caret {
    transform: rotate(180deg);
}

.directory-summary-menu {
    position: absolute;
    top: calc(100% + 0.38rem);
    left: 0;
    z-index: 24;
    min-width: 250px;
    max-width: min(360px, calc(100vw - 2rem));
    max-height: 320px;
    overflow-y: auto;
    padding: 0.35rem;
    border: 1px solid var(--aw-ft-border-color);
    border-radius: var(--aw-ft-surface-radius);
    background: var(--aw-ft-surface-bg);
    box-shadow: 0 18px 32px rgba(9, 79, 113, 0.16);
}

.directory-summary-option {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.7rem;
    width: 100%;
    padding: 0.55rem 0.65rem;
    border: 0;
    border-radius: calc(var(--aw-ft-surface-radius) - 1px);
    background: transparent;
    color: var(--aw-ft-text-primary);
    text-align: left;
}

.directory-summary-option:hover,
.directory-summary-option:focus-visible,
.directory-summary-option.is-active {
    background: var(--aw-ft-accent-soft);
    outline: none;
}

.directory-summary-option-copy {
    display: grid;
    gap: 0.08rem;
    min-width: 0;
}

.directory-summary-option-label {
    display: inline-flex;
    align-items: flex-start;
    gap: 0.45rem;
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.25;
}

.directory-summary-option-check {
    width: 0.9rem;
    color: var(--blue);
    flex: 0 0 auto;
}

.directory-summary-option-note {
    color: var(--aw-ft-text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.25;
}

.directory-summary-option small {
    color: var(--aw-ft-text-muted);
    font-size: 0.76rem;
    font-weight: 700;
    flex: 0 0 auto;
}

.directory-clear {
    border: 0;
    background: transparent;
    color: var(--blue);
    font-size: 0.84rem;
    font-weight: 700;
    padding: 0;
}

.directory-results {
    display: grid;
    gap: 1rem;
}

.directory-category {
    padding: 0.9rem;
}

.directory-category-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
}

.directory-category-header h3 {
    margin-bottom: 0.2rem;
    font-size: 1.15rem;
}

.directory-category-heading {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.directory-category-heading-copy {
    display: grid;
    gap: 0.08rem;
}

.directory-category-kicker {
    color: var(--aw-ft-text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.1;
    text-transform: uppercase;
}

.directory-category-title {
    color: var(--aw-ft-text-primary);
}

.directory-category-visual,
.directory-selector-visual {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--aw-ft-border-soft);
    background: linear-gradient(135deg, rgba(9, 79, 113, 0.1), rgba(48, 121, 178, 0.04)), rgba(255, 255, 255, 0.94);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

.directory-category-visual {
    width: 4.45rem;
    height: 3.35rem;
    border-radius: 1rem;
}

.directory-selector-visual {
    width: 3.1rem;
    height: 2.35rem;
    border-radius: 100%;
}

.directory-category-visual img,
.directory-selector-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0.28rem;
}

.directory-category-icon {
    position: absolute;
    right: 0.28rem;
    bottom: 0.28rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--blue);
    font-size: 0.72rem;
    box-shadow: 0 6px 12px rgba(9, 79, 113, 0.16);
}

.directory-selector-visual .directory-category-icon {
    width: 1.1rem;
    height: 1.1rem;
    right: 0.22rem;
    bottom: 0.22rem;
    font-size: 0.62rem;
}

body.dark-mode .directory-category-icon {
    color: #9fdaf0;
}

.directory-category-visual.category-circuit,
.directory-selector-visual.category-circuit {
    background: linear-gradient(135deg, rgba(17, 103, 153, 0.18), rgba(48, 121, 178, 0.05)), rgba(255, 255, 255, 0.95);
}

.directory-category-visual.category-signal,
.directory-selector-visual.category-signal {
    background: linear-gradient(135deg, rgba(0, 143, 126, 0.18), rgba(58, 188, 157, 0.05)), rgba(255, 255, 255, 0.95);
}

.directory-category-visual.category-rf,
.directory-selector-visual.category-rf {
    background: linear-gradient(135deg, rgba(12, 83, 130, 0.18), rgba(64, 145, 194, 0.05)), rgba(255, 255, 255, 0.95);
}

.directory-category-visual.category-power,
.directory-selector-visual.category-power {
    background: linear-gradient(135deg, rgba(240, 120, 24, 0.18), rgba(255, 183, 72, 0.05)), rgba(255, 255, 255, 0.95);
}

.directory-category-visual.category-ni,
.directory-selector-visual.category-ni {
    background: linear-gradient(135deg, rgba(62, 92, 122, 0.18), rgba(118, 151, 181, 0.05)), rgba(255, 255, 255, 0.95);
}

.directory-category-visual.category-calibration,
.directory-selector-visual.category-calibration {
    background: linear-gradient(135deg, rgba(60, 126, 78, 0.18), rgba(108, 181, 128, 0.05)), rgba(255, 255, 255, 0.95);
}

.directory-category-count {
    color: var(--aw-ft-text-muted);
    font-size: 0.88rem;
    font-weight: 700;
    white-space: nowrap;
}

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.85rem;
}

.directory-reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0.85rem;
}

.directory-card,
.directory-reference-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 0;
    overflow: hidden;
    transform-origin: top left;
    will-change: transform, opacity;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        background-color 0.18s ease,
        border-color 0.18s ease;
}

.directory-card:focus-visible,
.directory-reference-card:focus-visible {
    outline: none;
}

.directory-card:hover,
.directory-reference-card:hover {
    transform: translateY(-6px);
    background: var(--aw-ft-card-hover-bg);
    border-color: var(--aw-ft-card-hover-border);
    box-shadow: var(--aw-ft-card-hover-shadow);
}

.directory-card:focus-visible,
.directory-card:focus-within,
.directory-reference-card:focus-visible,
.directory-reference-card:focus-within {
    background: var(--aw-ft-card-hover-bg);
    border-color: var(--aw-ft-card-hover-border);
    box-shadow: var(--aw-ft-card-focus-shadow);
}

.directory-card:active,
.directory-reference-card:active {
    transform: translateY(-2px);
}

.directory-card-header {
    display: block;
    padding: 0.85rem 0.9rem 0.8rem;
    border-bottom: 1px solid var(--aw-ft-border-soft);
    background: var(--aw-ft-titlebar-bg);
}

.directory-card-header-link {
    text-decoration: none;
}

.directory-card-header-link:hover,
.directory-card-header-link:focus-visible {
    text-decoration: none;
}

.directory-card-title-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.75rem;
    align-items: center;
}

.directory-card-title-copy {
    display: grid;
    gap: 0.12rem;
    min-width: 0;
}

.directory-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.45rem;
    height: 2.45rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 100%;
    background: rgba(255, 255, 255, 0.12);
    color: var(--aw-ft-inverse-text);
    font-size: 0.98rem;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: transform 0.16s ease, background-color 0.16s ease;
}

.directory-card-header-link:hover .directory-card-icon,
.directory-card-header-link:focus-visible .directory-card-icon {
    transform: translateY(-1px);
}

.directory-card-icon.category-circuit {
    background: rgba(114, 195, 229, 0.16);
}

.directory-card-icon.category-signal {
    background: rgba(86, 205, 176, 0.18);
}

.directory-card-icon.category-rf {
    background: rgba(104, 170, 219, 0.18);
}

.directory-card-icon.category-power {
    background: rgba(240, 148, 48, 0.22);
}

.directory-card-icon.category-ni {
    background: rgba(170, 192, 212, 0.16);
}

.directory-card-icon.category-calibration {
    background: rgba(114, 190, 132, 0.18);
}

.directory-card-header h3,
.directory-card-header h4 {
    margin: 0;
    color: var(--aw-ft-inverse-text);
    font-size: 1rem;
    line-height: 1.35;
}

.directory-card-category {
    margin-top: 0.28rem;
    color: var(--aw-ft-inverse-muted);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.directory-card-body {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    padding: 0.85rem 0.9rem 0.9rem;
    cursor: pointer;
}

.directory-card-body :is(a, button, input, select, textarea, label, summary) {
    cursor: auto;
}

.directory-card-copy {
    margin-bottom: 0.6rem;
}

.directory-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.directory-badge {
    display: inline-flex;
    align-items: center;
    min-height: 18px;
    padding: 0.08rem 0.32rem;
    border: 1px solid var(--aw-ft-border-soft);
    background: var(--aw-ft-surface-subtle);
    color: var(--aw-ft-text-secondary);
    font-size: 0.59rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.15;
}

.directory-badge.live {
    background: var(--aw-ft-success-bg);
    color: var(--aw-ft-success-text);
}

.directory-badge.planned {
    background: var(--aw-ft-warning-bg);
    color: var(--aw-ft-warning-text);
}

.directory-badge.type {
    background: var(--aw-ft-type-bg);
    color: var(--aw-ft-type-text);
}

.directory-badge.use-case {
    background: rgba(9, 79, 113, 0.05);
    color: var(--aw-ft-text-secondary);
}

.directory-badge.category {
    border-color: transparent;
}

.directory-badge.category.category-circuit {
    background: rgba(17, 103, 153, 0.12);
    color: #0f5f89;
}

.directory-badge.category.category-signal {
    background: rgba(0, 143, 126, 0.12);
    color: #0b7667;
}

.directory-badge.category.category-rf {
    background: rgba(12, 83, 130, 0.12);
    color: #0d5a83;
}

.directory-badge.category.category-power {
    background: rgba(240, 120, 24, 0.14);
    color: #b45b13;
}

.directory-badge.category.category-ni {
    background: rgba(62, 92, 122, 0.12);
    color: #435f7a;
}

.directory-badge.category.category-calibration {
    background: rgba(60, 126, 78, 0.14);
    color: #2f6a41;
}

body.dark-mode .directory-badge.category.category-circuit,
body.dark-mode .directory-badge.category.category-signal,
body.dark-mode .directory-badge.category.category-rf,
body.dark-mode .directory-badge.category.category-power,
body.dark-mode .directory-badge.category.category-ni,
body.dark-mode .directory-badge.category.category-calibration {
    color: var(--aw-ft-inverse-text);
}

.directory-card-details {
    margin-top: auto;
    border: 1px solid var(--aw-ft-border-soft);
    background: var(--aw-ft-surface-subtle);
}

.directory-card-details summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    padding: 0.5rem 0.65rem;
    cursor: pointer;
    color: var(--aw-ft-text-primary);
    font-size: 0.82rem;
    font-weight: 700;
    list-style: none;
}

.directory-card-details summary::-webkit-details-marker {
    display: none;
}

.directory-card-details summary::after {
    content: '+';
    color: var(--aw-ft-text-muted);
    font-size: 0.95rem;
}

.directory-card-details[open] summary::after {
    content: '-';
}

.directory-card-meta {
    padding: 0 0.65rem 0.65rem;
    border-top: 1px solid var(--aw-ft-border-soft);
}

.directory-meta-row + .directory-meta-row {
    margin-top: 0.4rem;
}

.directory-meta-label {
    display: block;
    color: var(--aw-ft-text-muted);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.directory-meta-value {
    display: block;
    margin-top: 0.1rem;
    color: var(--aw-ft-text-secondary);
    font-size: 0.84rem;
    line-height: 1.45;
}

.directory-card-actions {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.45rem;
    margin-top: 0.8rem;
    min-height: 38px;
    max-height: 42px;
    overflow: hidden;
}

.directory-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 0;
    min-width: 0;
    min-height: 36px;
    padding: 0.42rem 0.55rem;
    border: 1px solid transparent;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.directory-card-actions > .directory-action:only-child {
    flex: 1 1 100%;
    max-width: none;
}

.directory-action.primary {
    background: var(--blue);
    color: var(--aw-ft-inverse-text);
}

.directory-action.primary:hover {
    background: var(--darkblue);
    color: var(--aw-ft-inverse-text);
}

.directory-action.secondary {
    background: var(--aw-ft-surface-subtle);
    border-color: var(--aw-ft-border-color);
    color: var(--aw-ft-text-primary);
}

.directory-action.secondary:hover {
    background: var(--aw-ft-accent-soft);
    color: var(--aw-ft-text-primary);
}

.directory-action.disabled {
    background: var(--aw-ft-disabled-bg);
    border-color: var(--aw-ft-border-faint);
    color: var(--aw-ft-disabled-text);
    cursor: not-allowed;
}

.directory-empty {
    padding: 1rem;
}

.directory-section-title {
    margin-bottom: 0.55rem;
    color: var(--aw-ft-text-primary);
    font-size: 1.15rem;
}

.directory-reference-wrap {
    margin-top: 1rem;
    padding-bottom: 1rem;
}

.directory-results.is-updating,
#directoryReferences.is-updating {
    opacity: 0.7;
    transition: opacity 0.18s ease;
}

.directory-motion-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
}

.directory-motion-overlay .is-ghost {
    position: fixed;
    margin: 0;
    pointer-events: none;
    transform-origin: top left;
    box-shadow: var(--aw-ft-ghost-shadow);
}

@media (min-width: 992px) {
    .directory-hero,
    .directory-content-titlebar {
        transition: none;
    }

    .directory-layout {
        position: sticky;
        top: var(--directory-shell-offset);
        height: var(--directory-shell-height);
    }
}

@media (max-width: 991px) {
    .titleBar {
        min-height: 60px;
    }

    .titleBar h1 {
        min-height: 60px;
        font-size: 1.45rem !important;
    }

    .directory-shell-wrap {
        min-height: 0;
    }

    .directory-layout {
        grid-template-columns: 1fr;
        align-items: start;
        position: static;
        height: auto;
    }

    .directory-main-shell {
        order: 1;
        height: auto;
        overflow: visible;
    }

    .directory-main {
        height: auto;
        overflow: visible;
        scrollbar-gutter: auto;
    }

    .directory-filter-panel {
        position: static;
    }

    .directory-sidebar {
        order: 2;
        position: static;
        height: auto;
        max-height: none;
        overflow: visible;
    }

    .directory-content-titlebar {
        position: static;
        opacity: 1 !important;
        transform: none !important;
    }

    .directory-toolbar {
        grid-template-columns: 1fr;
    }

    .directory-summary-control {
        width: 100%;
    }

    .directory-chip-button {
        width: 100%;
        justify-content: space-between;
    }

    .directory-summary-menu {
        left: 0;
        right: 0;
        min-width: 0;
        max-width: none;
        width: 100%;
    }
}