/**
 * DATA DARE discovery — Batch UI-2 (DD-UX-01/02/03/06)
 * Extends design-system tokens. Preserves fi-dd-* / data-dd-* analytics hooks.
 */

.fi-dd-page {
    display: flex;
    flex-direction: column;
    gap: var(--fd-space-4, 16px);
    padding-bottom: var(--fd-space-12, 48px);
}

/* ── Intro (DD-UX-01) — compact premium band ── */
.fi-dd-intro {
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    padding: clamp(1.25rem, 2.5vw, 2rem) clamp(1.15rem, 2.5vw, 2rem);
    border-radius: var(--fd-radius-lg, 22px);
    background:
        radial-gradient(ellipse 70% 90% at 88% 46%, rgba(245, 190, 61, 0.13) 0%, transparent 62%),
        linear-gradient(112deg, rgba(255,255,255,0.92) 0%, rgba(250,248,243,0.84) 54%, rgba(245,238,220,0.78) 100%);
    border: 1px solid var(--fd-soft-border);
    box-shadow: var(--fd-shadow-soft);
}

.fi-dd-intro__content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(180px, 0.6fr);
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: center;
}

.fi-dd-intro__copy {
    max-width: 48rem;
}

.fi-dd-intro__logo {
    display: block;
    width: auto;
    max-width: 176px;
    height: 70px;
    object-fit: contain;
    object-position: left center;
    margin-bottom: var(--fd-space-3, 12px);
}

.fi-dd-intro__copy .fd-eyebrow {
    margin: 0 0 var(--fd-space-2, 8px);
}

.fi-dd-intro__title {
    margin: 0;
    max-width: 18ch;
    font-family: var(--fd-font-heading);
    font-size: var(--fd-text-h1);
    font-weight: var(--fd-font-weight-heading);
    line-height: var(--fd-line-height-heading, 1.15);
    letter-spacing: var(--fd-letter-tight, -0.03em);
    color: var(--fd-text-strong, var(--fd-black));
}

.fi-dd-intro__title span {
    color: var(--fd-gold-text, #9a5d00);
}

.fi-dd-intro__lead {
    margin: var(--fd-space-3, 12px) 0 0;
    max-width: var(--fd-container-reading, 43rem);
    color: var(--fd-muted-text);
    font-size: var(--fd-text-body-lg);
    line-height: 1.65;
}

.fi-dd-intro__cta {
    margin-top: var(--fd-space-4, 16px);
}

.fi-dd-intro__visual {
    position: relative;
    min-height: clamp(180px, 20vw, 280px);
    display: grid;
    place-items: center;
}

.fi-dd-intro__visual img {
    position: relative;
    z-index: 2;
    display: block;
    width: min(100%, 330px);
    height: auto;
    max-height: 330px;
    object-fit: contain;
    filter: drop-shadow(0 12px 20px rgba(40, 30, 10, 0.08));
}

.fi-dd-intro__halo {
    position: absolute;
    width: min(28vw, 310px);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,190,61,0.18) 0%, rgba(245,238,220,0.34) 44%, transparent 72%);
}

.fi-dd-intro__wash {
    position: absolute;
    inset: auto -6% -40% 32%;
    height: 70%;
    background: radial-gradient(ellipse at center, rgba(217,154,22,0.08), transparent 68%);
    pointer-events: none;
}

.fi-dd-intro__lines {
    position: absolute;
    right: 0;
    bottom: 0;
    width: min(55%, 520px);
    height: 90px;
    opacity: 0.9;
    pointer-events: none;
    z-index: 1;
}

/* Workspace chrome — toolbar + active filters rhythm */
.fi-dd-workspace-chrome {
    display: flex;
    flex-direction: column;
    gap: var(--fd-space-2, 8px);
    min-width: 0;
}

.fi-dd-workspace-chrome:empty {
    display: none;
}

/* ── Toolbar ── */
.fi-dd-toolbar {
    padding: var(--fd-space-4, 16px);
    display: flex;
    flex-direction: column;
    gap: var(--fd-space-3, 12px);
}

.fi-dd-toolbar__search .fd-input-search .fd-input {
    min-height: 48px;
    font-size: 1rem;
}

.fi-dd-toolbar__row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-3, 12px);
    align-items: flex-end;
}

.fi-dd-toolbar__primary-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-3, 12px);
    align-items: flex-end;
    flex: 1 1 480px;
}

.fi-dd-toolbar__filter {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
}

.fi-dd-toolbar__filter-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--fd-muted-text);
}

.fi-dd-toolbar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-3, 12px);
    align-items: flex-end;
    justify-content: space-between;
}

.fi-dd-toolbar__sort {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 140px;
}

/* Segmented mode toggle */
.fi-dd-segment {
    display: inline-flex;
    padding: 3px;
    border-radius: var(--fd-radius-sm, 10px);
    background: var(--fd-bg-secondary, #f5eedc);
    border: 1px solid var(--fd-soft-border);
}

.fi-dd-segment__btn {
    min-height: var(--fd-touch-min, 44px);
    padding: 0 var(--fd-space-4, 16px);
    border-radius: calc(var(--fd-radius-sm, 10px) - 2px);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--fd-charcoal);
    transition: background-color var(--fd-duration, 200ms) var(--fd-ease), color var(--fd-duration, 200ms) var(--fd-ease);
}

.fi-dd-segment__btn.is-active,
.fi-dd-segment__btn[aria-selected='true'] {
    background: var(--fd-white);
    color: var(--fd-gold-text, #9a5d00);
    box-shadow: var(--fd-shadow-soft);
}

.fi-dd-segment__btn:focus-visible {
    outline: 2px solid var(--fd-gold-highlight);
    outline-offset: 2px;
}

/* More filters panel (DD-UX-06) — integrated with toolbar */
.fi-dd-more-filters {
    padding: var(--fd-space-4, 16px);
    margin-top: 0;
    border-top: 1px solid var(--fd-soft-border);
    border-radius: 0 0 var(--fd-radius-md, 16px) var(--fd-radius-md, 16px);
}

.fi-dd-toolbar:has(+ .fi-dd-workspace-chrome .fi-dd-active-filters),
.fi-dd-toolbar:has(+ .fi-dd-more-filters.is-open) {
    border-radius: var(--fd-radius-md, 16px) var(--fd-radius-md, 16px) 0 0;
}

.fi-dd-more-filters.is-open {
    margin-top: calc(-1 * var(--fd-space-3, 12px));
    padding-top: var(--fd-space-3, 12px);
}

.fi-dd-more-filters__title {
    margin: 0 0 var(--fd-space-2, 8px);
}

.fi-dd-more-filters__hint {
    margin: 0 0 var(--fd-space-4, 16px);
    font-size: 0.875rem;
}

.fi-dd-more-filters__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--fd-space-5, 20px);
}

.fi-dd-more-filters__group {
    border: 0;
    margin: 0;
    padding: 0;
}

.fi-dd-more-filters__group legend {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--fd-muted-text);
    margin-bottom: var(--fd-space-3, 12px);
}

.fi-dd-more-filters__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-3, 12px);
    margin-top: var(--fd-space-4, 16px);
}

/* Active chips — compact strip below toolbar */
.fi-dd-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-2, 8px);
    align-items: center;
    padding: var(--fd-space-2, 8px) var(--fd-space-3, 12px);
    border-radius: var(--fd-radius-sm, 10px);
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid var(--fd-soft-border);
}

.fi-dd-active-label {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--fd-muted-text);
}

.fi-dd-invalid-notice {
    padding: var(--fd-space-2, 8px) var(--fd-space-3, 12px);
    border-radius: var(--fd-radius-sm, 10px);
    background: rgba(200, 140, 46, 0.1);
    border: 1px solid rgba(200, 140, 46, 0.25);
    color: var(--fd-warning);
    font-size: 0.875rem;
}

/* ── Workspace layout (~67% arena / ~33% discussion) ── */
.fi-dd-layout {
    display: grid;
    grid-template-columns: var(--fd-grid-dd-workspace, var(--fd-grid-split-66-34));
    gap: var(--fd-dd-workspace-gap, var(--fd-grid-gap-lg, clamp(20px, 2vw, 28px)));
    align-items: start;
    width: 100%;
    min-width: 0;
}

.fi-dd-arena {
    min-width: 0;
}

.fi-dd-context-banner {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-2, 8px);
    align-items: center;
    padding: var(--fd-space-2, 8px) var(--fd-space-3, 12px);
    margin-bottom: var(--fd-space-3, 12px);
    font-size: 0.875rem;
}

.fi-dd-results-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--fd-space-3, 12px);
    margin-bottom: var(--fd-space-3, 12px);
}

.fi-dd-result-count {
    font-size: 0.875rem;
    color: var(--fd-muted-text);
    margin: 0;
}

/* ── Dataset grid — 2 useful columns in arena; full-width uses global 3/2/1 ── */
.fi-dd-dataset-grid {
    display: grid;
    grid-template-columns: var(--fd-grid-3);
    gap: var(--fd-grid-gap, var(--fd-space-4, 16px));
    width: 100%;
    min-width: 0;
}

@media (min-width: 961px) {
    .fi-dd-arena .fi-dd-dataset-grid {
        grid-template-columns: var(--fd-grid-dd-arena, repeat(2, minmax(0, 1fr)));
    }
}

/* ── Dataset card (DD-UX-02 / 03) ── */
.fi-dd-dataset-card {
    position: relative;
    border-radius: var(--fd-radius-md, 16px);
    border: 1px solid var(--fd-soft-border);
    background: var(--fd-white);
    box-shadow: var(--fd-shadow-soft);
    overflow: visible;
    transition:
        transform var(--fd-duration, 200ms) var(--fd-ease),
        box-shadow var(--fd-duration, 200ms) var(--fd-ease),
        border-color var(--fd-duration, 200ms) var(--fd-ease);
}

.fi-dd-dataset-card:focus-visible {
    outline: 2px solid var(--fd-gold-highlight);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .fi-dd-dataset-card:hover {
        transform: translateY(var(--fd-dd-card-lift, 1px));
        box-shadow: var(--fd-shadow-elevated);
    }
}

.fi-dd-dataset-card:focus-within {
    transform: translateY(var(--fd-dd-card-lift, 1px));
    box-shadow: var(--fd-shadow-elevated);
}

.fi-dd-dataset-card.is-selected {
    border-color: rgba(217, 154, 22, 0.55);
    box-shadow: var(--fd-shadow-elevated), inset 0 0 0 1px rgba(217, 154, 22, 0.2);
}

.fi-dd-dataset-card.is-selected::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--fd-gold-highlight), var(--fd-gold));
    z-index: 2;
}

.fi-dd-dataset-card__select {
    display: block;
    color: inherit;
    text-decoration: none;
}

.fi-dd-dataset-card__media {
    position: relative;
    aspect-ratio: var(--fd-dd-card-media-ratio, var(--fd-slot-card-ratio, 4 / 3));
    max-height: 148px;
    background: var(--fd-bg-secondary);
    overflow: hidden;
    border-radius: var(--fd-radius-md, 16px) var(--fd-radius-md, 16px) 0 0;
}

.fi-dd-dataset-card__thumb {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
    display: block;
}

.fi-dd-dataset-card__thumb--placeholder {
    /* ASSET DEPENDENT — keep slot geometry; do not stretch missing artwork */
    background: linear-gradient(145deg, var(--fd-bg-secondary) 0%, var(--fd-bg-secondary-alt) 100%);
}

.fi-dd-dataset-card__selected-badge {
    position: absolute;
    top: var(--fd-space-3, 12px);
    left: var(--fd-space-3, 12px);
    padding: 0.2rem 0.5rem;
    border-radius: var(--fd-radius-pill);
    background: rgba(217, 154, 22, 0.92);
    color: var(--fd-black);
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.fi-dd-dataset-card__default {
    padding: var(--fd-space-3, 12px) var(--fd-space-4, 16px) var(--fd-space-4, 16px);
}

.fi-dd-dataset-card__code {
    font-family: ui-monospace, monospace;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--fd-gold-text, #9a5d00);
    margin: 0 0 2px;
}

.fi-dd-dataset-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 var(--fd-space-2, 8px);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fi-dd-dataset-card__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 2.4rem;
    overflow: hidden;
}

.fi-dd-dataset-card__chips .fd-badge {
    max-width: 11rem;
}

.fi-dd-dataset-card__explore-hint {
    display: inline-block;
    margin-top: var(--fd-space-2, 8px);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--fd-gold-text, #9a5d00);
    opacity: 0;
    transition: opacity var(--fd-duration, 200ms) var(--fd-ease);
}

@media (hover: hover) and (pointer: fine) {
    .fi-dd-dataset-card:hover .fi-dd-dataset-card__explore-hint,
    .fi-dd-dataset-card:focus-within .fi-dd-dataset-card__explore-hint {
        opacity: 1;
    }
}

.fi-dd-dataset-card.is-expanded .fi-dd-dataset-card__explore-hint,
.fi-dd-dataset-card.is-selected .fi-dd-dataset-card__explore-hint {
    opacity: 1;
}

.fi-dd-dataset-card__details {
    display: none;
    padding: 0 var(--fd-space-4, 16px) var(--fd-space-4, 16px);
    border-top: 1px solid var(--fd-soft-border);
    background: rgba(255, 255, 255, 0.96);
}

.fi-dd-dataset-card:hover .fi-dd-dataset-card__details,
.fi-dd-dataset-card:focus-within .fi-dd-dataset-card__details,
.fi-dd-dataset-card.is-expanded .fi-dd-dataset-card__details {
    display: block;
}

.fi-dd-dataset-meta {
    display: grid;
    gap: 0.35rem;
    font-size: 0.8rem;
    margin: 0 0 var(--fd-space-3, 12px);
}

.fi-dd-dataset-meta dt {
    display: inline;
    font-weight: 600;
}

.fi-dd-dataset-meta dt::after {
    content: ': ';
}

.fi-dd-dataset-meta dd {
    display: inline;
    margin: 0;
    color: var(--fd-muted-text);
}

.fi-dd-dataset-card__summary {
    font-size: 0.8125rem;
    color: var(--fd-muted-text);
    margin: 0 0 var(--fd-space-3, 12px);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fi-dd-explore-btn {
    width: 100%;
    justify-content: center;
}

/* Question results */
.fi-dd-question-list {
    display: flex;
    flex-direction: column;
    gap: var(--fd-space-4, 16px);
}

.fi-dd-question-card {
    padding: var(--fd-space-5, 20px);
    border-radius: var(--fd-radius-md, 16px);
    border: 1px solid var(--fd-soft-border);
    background: var(--fd-white);
    box-shadow: var(--fd-shadow-soft);
}

.fi-dd-question-head {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-2, 8px);
    align-items: center;
    margin-bottom: var(--fd-space-2, 8px);
}

.fi-dd-question-code {
    font-family: ui-monospace, monospace;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--fd-gold-text, #9a5d00);
    text-decoration: none;
}

.fi-dd-question-title {
    font-size: 1.05rem;
    margin: 0 0 var(--fd-space-2, 8px);
}

.fi-dd-question-title a {
    color: inherit;
    text-decoration: none;
}

.fi-dd-question-title a:hover,
.fi-dd-question-title a:focus-visible {
    text-decoration: underline;
}

.fi-dd-question-dataset {
    font-size: 0.875rem;
    margin: 0 0 var(--fd-space-2, 8px);
    color: var(--fd-muted-text);
}

.fi-dd-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0.35rem 0 0;
}

/* Discussion panel — supportive, not dominant */
.fi-dd-discussion {
    position: sticky;
    top: calc(var(--fd-header-offset, 64px) + 0.75rem);
    max-height: calc(100vh - var(--fd-header-offset, 64px) - 1.5rem);
    overflow: auto;
    padding: var(--fd-space-4, 16px);
}

.fi-dd-discussion-head .fd-heading-md {
    font-size: var(--fd-text-h4, 1.125rem);
    margin: 0;
}

.fi-dd-discussion-lead {
    font-size: 0.8125rem;
    margin: var(--fd-space-2, 8px) 0 0;
    line-height: 1.45;
}

.fi-dd-discussion-context {
    font-size: 0.75rem;
    margin: var(--fd-space-1, 4px) 0 0;
    line-height: 1.4;
}

.fi-dd-discussion-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: var(--fd-space-3, 12px) 0;
}

.fi-dd-discussion-filter {
    font-size: 0.75rem;
    padding: 0.35rem 0.65rem;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    border-radius: var(--fd-radius-pill);
    border: 1px solid var(--fd-soft-border);
    text-decoration: none;
    color: var(--fd-charcoal);
    background: var(--fd-white);
    transition: background-color var(--fd-duration, 200ms) var(--fd-ease);
}

.fi-dd-discussion-filter.is-active {
    background: rgba(217, 154, 22, 0.14);
    border-color: rgba(217, 154, 22, 0.4);
    color: var(--fd-gold-text, #9a5d00);
    font-weight: 600;
}

.fi-dd-discussion-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--fd-space-3, 12px);
}

.fi-dd-discussion-item {
    padding: var(--fd-space-3, 12px);
    border: 1px solid var(--fd-soft-border);
    border-radius: var(--fd-radius-sm, 10px);
    background: var(--fd-white);
}

.fi-dd-discussion-title {
    font-size: 0.9rem;
    margin: var(--fd-space-2, 8px) 0;
    font-weight: 600;
}

.fi-dd-discussion-excerpt {
    font-size: 0.8125rem;
    color: var(--fd-muted-text);
    margin: 0;
}

.fi-dd-discussion-meta {
    font-size: 0.75rem;
    color: var(--fd-muted-text);
    margin-top: var(--fd-space-2, 8px);
}

.fi-dd-discussion-qref {
    font-family: ui-monospace, monospace;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--fd-gold-text, #9a5d00);
    text-decoration: none;
}

.fi-dd-discussion-toggle {
    display: none;
    position: fixed;
    right: var(--fd-space-4, 16px);
    bottom: var(--fd-space-4, 16px);
    z-index: 40;
    box-shadow: var(--fd-shadow-elevated);
    min-height: var(--fd-touch-min, 44px);
}

.fi-dd-discussion-close {
    width: 100%;
    margin-top: var(--fd-space-4, 16px);
}

.fi-dd-empty.fd-state,
.fi-dd-empty .fd-state {
    margin: 0;
    padding: var(--fd-space-4, 16px);
}

.fi-dd-empty__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--fd-space-3, 12px);
    justify-content: center;
    margin-top: var(--fd-space-4, 16px);
}

.fi-dd-pagination {
    margin-top: var(--fd-space-5, 20px);
}

/* ── Responsive ── */
@media (max-width: 1023px) {
    .fi-dd-intro__content {
        grid-template-columns: minmax(0, 1.25fr) minmax(190px, 0.75fr);
    }

    .fi-dd-intro__visual {
        min-height: 220px;
    }

    .fi-dd-toolbar__primary-filters .fi-dd-toolbar__filter:nth-child(n+5) {
        display: none;
    }

}

@media (max-width: 960px) {
    .fi-dd-layout {
        grid-template-columns: 1fr;
    }

    .fi-dd-discussion {
        position: fixed;
        inset: auto 0 0 0;
        width: 100%;
        max-width: 100%;
        max-height: var(--fd-dd-mobile-drawer-max-height, min(78dvh, 560px));
        padding: var(--fd-space-4, 16px);
        padding-bottom: max(var(--fd-space-4, 16px), env(safe-area-inset-bottom, 0px));
        transform: translateY(110%);
        transition: transform var(--fd-duration-slow, 250ms) var(--fd-ease);
        z-index: 50;
        border-radius: var(--fd-radius-lg, 22px) var(--fd-radius-lg, 22px) 0 0;
        box-shadow: var(--fd-shadow-modal);
        overflow-y: auto;
        overscroll-behavior: contain;
        box-sizing: border-box;
    }

    .fi-dd-discussion.is-open {
        transform: translateY(0);
    }

    .fi-dd-discussion-toggle {
        display: inline-flex;
        left: max(var(--fd-space-3, 12px), env(safe-area-inset-left, 0px));
        right: max(var(--fd-space-3, 12px), env(safe-area-inset-right, 0px));
        width: auto;
        justify-content: center;
    }
}

@media (max-width: 767px) {
    .fi-dd-intro {
        padding: var(--fd-space-4, 16px);
    }

    .fi-dd-intro__content {
        grid-template-columns: 1fr;
        gap: var(--fd-space-3, 12px);
    }

    .fi-dd-intro__visual {
        min-height: 160px;
    }

    .fi-dd-intro__visual img {
        width: min(72vw, 240px);
        max-height: 220px;
    }

    .fi-dd-intro__title {
        font-size: var(--fd-text-h1);
        max-width: none;
    }

    .fi-dd-intro__lines {
        width: 85%;
        opacity: 0.65;
    }

    .fi-dd-intro {
        max-height: none;
    }

    .fi-dd-toolbar {
        padding: var(--fd-space-3, 12px);
        gap: var(--fd-dd-mobile-toolbar-gap, 12px);
    }

    .fi-dd-toolbar__row {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--fd-dd-mobile-toolbar-gap, 12px);
        align-items: stretch;
    }

    .fi-dd-toolbar__modes,
    .fi-dd-toolbar__sort {
        width: 100%;
        min-width: 0;
    }

    .fi-dd-segment {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .fi-dd-segment__btn {
        justify-content: center;
        text-align: center;
    }

    .fi-dd-toolbar__primary-filters {
        flex: none;
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: var(--fd-space-2, 8px);
    }

    .fi-dd-toolbar__primary-filters > .fi-dd-toolbar__filter {
        display: none;
    }

    .fi-dd-toolbar__primary-filters > .fi-dd-more-toggle,
    .fi-dd-toolbar__primary-filters > .fd-btn--tertiary[data-dd-clear-filters] {
        flex: 1 1 calc(50% - 4px);
        min-width: 0;
        justify-content: center;
    }

    .fi-dd-toolbar__actions {
        display: grid;
        grid-template-columns: 1fr minmax(128px, 0.42fr);
        gap: var(--fd-space-2, 8px);
        align-items: end;
        width: 100%;
    }

    .fi-dd-toolbar__actions > .fd-btn--primary {
        grid-column: 1 / -1;
    }

    .fi-dd-toolbar__sort {
        min-width: 0;
    }

    .fi-dd-dataset-grid,
    .fi-dd-arena .fi-dd-dataset-grid {
        grid-template-columns: 1fr;
    }

    .fi-dd-context-banner {
        font-size: 0.8125rem;
    }

    .fi-dd-context-banner .fd-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fi-dd-dataset-card,
    .fi-dd-dataset-card:hover,
    .fi-dd-dataset-card:focus-within {
        transform: none;
    }

    .fi-dd-discussion {
        transition: none;
    }
}

/* Legacy class aliases kept for structural tests */
.fi-dd-mode { display: none; }
.fi-dd-filters { display: none; }
.fi-dd-hero { display: none; }

/* ── Discovery pathways / request / final CTA (approved DD-UX-01 journey) ── */
.fi-dd-pathways {
    padding: clamp(1.5rem, 3vw, 2.5rem) 0 1rem;
}

.fi-dd-pathways__head {
    max-width: 44rem;
    margin-bottom: var(--fd-space-5, 20px);
}

.fi-dd-pathways__head .fd-eyebrow,
.fi-dd-pathways__head .fd-heading-lg,
.fi-dd-pathways__head p {
    margin-top: 0;
}

.fi-dd-pathways__head p:last-child {
    margin-bottom: 0;
}

.fi-dd-pathways__grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--fd-space-3, 12px);
}

.fi-dd-pathway {
    display: flex;
    min-width: 0;
    min-height: 150px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding: var(--fd-space-4, 16px);
    border: 1px solid var(--fd-soft-border);
    border-radius: var(--fd-radius-md, 16px);
    background: rgba(255, 255, 255, 0.68);
    color: var(--fd-charcoal);
    text-decoration: none;
    box-shadow: var(--fd-shadow-soft);
    transition: transform var(--fd-duration) var(--fd-ease), box-shadow var(--fd-duration) var(--fd-ease), border-color var(--fd-duration) var(--fd-ease);
}

.fi-dd-pathway__mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    margin-bottom: var(--fd-space-2, 8px);
    border-radius: 50%;
    background: var(--fd-bg-secondary);
    color: var(--fd-gold-text, #9a5d00);
    font-weight: 800;
}

.fi-dd-pathway strong {
    font-size: 0.95rem;
    color: var(--fd-black);
}

.fi-dd-pathway > span:last-child {
    color: var(--fd-muted-text);
    font-size: 0.8rem;
    line-height: 1.45;
}

@media (hover: hover) and (pointer: fine) {
    .fi-dd-pathway:hover {
        transform: translateY(var(--fd-dd-card-lift, 1px));
        border-color: rgba(217, 154, 22, 0.24);
        box-shadow: var(--fd-shadow-elevated);
    }
}

.fi-dd-request-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--fd-space-4, 16px);
    margin: var(--fd-space-4, 16px) 0;
    padding: clamp(1rem, 2.5vw, 1.35rem);
    border-radius: var(--fd-radius-lg, 22px);
    border: 1px solid var(--fd-soft-border);
    background: linear-gradient(105deg, rgba(255,255,255,0.88), rgba(245,238,220,0.58));
}

.fi-dd-request-callout .fd-eyebrow,
.fi-dd-request-callout .fd-heading-md,
.fi-dd-request-callout p {
    margin-top: 0;
}

.fi-dd-request-callout p:last-child {
    margin-bottom: 0;
}

.fi-dd-final-cta {
    position: relative;
    display: grid;
    grid-template-columns: minmax(100px, 160px) minmax(0, 1fr);
    align-items: center;
    gap: clamp(0.85rem, 2.5vw, 1.5rem);
    overflow: hidden;
    margin: clamp(1.25rem, 3vw, 2rem) 0 0;
    padding: clamp(1.15rem, 2.5vw, 1.75rem) clamp(1.15rem, 3vw, 2rem);
    border-radius: var(--fd-radius-lg, 22px);
    background:
        radial-gradient(ellipse 45% 130% at 95% 50%, rgba(245,190,61,0.16), transparent 62%),
        linear-gradient(108deg, var(--fd-bg-secondary) 0%, rgba(250,248,243,0.95) 68%, var(--fd-bg-secondary-alt) 100%);
}

.fi-dd-final-cta img {
    width: min(100%, 170px);
    height: auto;
    justify-self: center;
    filter: drop-shadow(0 14px 24px rgba(40, 30, 10, 0.08));
}

.fi-dd-final-cta__copy .fd-eyebrow,
.fi-dd-final-cta__copy .fd-heading-lg,
.fi-dd-final-cta__copy p {
    margin-top: 0;
}

.fi-dd-final-cta__copy p {
    color: var(--fd-muted-text);
}

@media (max-width: 1023px) {
    .fi-dd-pathways__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .fi-dd-pathways__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .fi-dd-request-callout {
        align-items: stretch;
        flex-direction: column;
    }

    .fi-dd-final-cta {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .fi-dd-final-cta img {
        width: min(48vw, 150px);
    }
}

@media (max-width: 430px) {
    .fi-dd-pathways__grid {
        grid-template-columns: 1fr;
    }

    .fi-dd-pathway {
        min-height: 0;
    }

    .fi-dd-page {
        gap: var(--fd-space-3, 12px);
        padding-bottom: var(--fd-space-10, 40px);
    }

    .fi-dd-intro {
        padding: var(--fd-space-3, 12px);
    }

    .fi-dd-intro__title {
        font-size: var(--fd-text-h2);
    }

    .fi-dd-intro__lead {
        font-size: var(--fd-text-body);
    }

    .fi-dd-discussion-head .fd-heading-md {
        font-size: var(--fd-text-h4, 1.125rem);
    }
}

@media (max-width: 390px) {
    .fi-dd-intro__title {
        font-size: clamp(1.25rem, 6.5vw, var(--fd-text-h2));
    }

    .fi-dd-dataset-card__default {
        padding: var(--fd-space-3, 12px);
    }
}

@media (max-width: 360px) {
    .fi-dd-toolbar__primary-filters > .fi-dd-more-toggle,
    .fi-dd-toolbar__primary-filters > .fd-btn--tertiary[data-dd-clear-filters] {
        flex: 1 1 100%;
    }

    .fi-dd-toolbar__actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 320px) {
    .fi-dd-intro__title {
        font-size: var(--fd-text-h3);
    }

    .fi-dd-dataset-card__title {
        font-size: 1rem;
    }

    .fi-dd-results-head .fd-heading-md {
        font-size: var(--fd-text-h4, 1.125rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .fi-dd-pathway {
        transition: none;
    }
}