.knowledge-base-component {
    --kb-ink: #122933;
    --kb-muted: #576166;
    --kb-muted-2: #829491;
    --kb-border: #d7dfdc;
    --kb-panel: #f2f6f4;
    --kb-panel-2: #f8fbfa;
    --kb-surface: #fff;
    --kb-accent: #00ecea;
    --kb-accent-2: #2b524d;
    color: var(--kb-ink);
}

.knowledge-base-component *,
.knowledge-base-component *::before,
.knowledge-base-component *::after {
    box-sizing: border-box;
}

.knowledge-base-shell,
.knowledge-base-tree,
.knowledge-base-groups,
.knowledge-base-course-list,
.knowledge-base-preview__copy,
.knowledge-base-summary-copy {
    display: grid;
}

.knowledge-base-shell {
    gap: 1.25rem;
}

.knowledge-base-heading,
.knowledge-base-group__title,
.knowledge-base-preview__title,
.knowledge-base-preview__subheading,
.knowledge-base-course__title,
.knowledge-base-summary-title,
.knowledge-base-empty > *,
.knowledge-base-results p,
.knowledge-base-help {
    margin: 0;
}

.knowledge-base-toolbar {
    background: linear-gradient(180deg, #f8fbfa 0%, #f2f6f4 100%);
    border: 1px solid var(--kb-border);
    border-radius: 24px;
    padding: 1rem;
}

.knowledge-base-toolbar__grid {
    display: grid;
    gap: 0.875rem;
}

.knowledge-base-label {
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute !important;
    white-space: nowrap;
    width: 1px;
}

.knowledge-base-field--search,
.knowledge-base-field--select {
    position: relative;
}

.knowledge-base-field__icon {
    color: var(--kb-muted);
    display: inline-flex;
    height: 1.25rem;
    left: 1.2rem;
    pointer-events: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    z-index: 1;
}

.knowledge-base-field--search .knowledge-base-field__icon {
    justify-content: center;
    width: 1.25rem;
}

.knowledge-base-field__icon svg {
    display: block;
    height: 1rem;
    width: 1rem;
}

.knowledge-base-field--select::after {
    border-bottom: 2px solid var(--kb-ink);
    border-right: 2px solid var(--kb-ink);
    content: "";
    height: 0.55rem;
    pointer-events: none;
    position: absolute;
    right: 1.2rem;
    top: 50%;
    transform: translateY(-65%) rotate(45deg);
    width: 0.55rem;
}

.knowledge-base-input,
.knowledge-base-select {
    appearance: none;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--kb-border);
    border-radius: 16px;
    color: var(--kb-ink);
    font: inherit;
    min-height: 3.5rem;
    padding: 0.9rem 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    width: 100%;
}

.knowledge-base-field--search .knowledge-base-input {
    padding-left: 4.35rem !important;
}

.knowledge-base-input::placeholder {
    color: var(--kb-muted);
    opacity: 1;
}

.knowledge-base-input::-webkit-search-decoration,
.knowledge-base-input::-webkit-search-cancel-button,
.knowledge-base-input::-webkit-search-results-button,
.knowledge-base-input::-webkit-search-results-decoration {
    appearance: none;
    display: none;
}

.knowledge-base-select {
    padding-right: 3rem;
}

.knowledge-base-input:focus,
.knowledge-base-select:focus,
.knowledge-base-button:focus-visible {
    box-shadow: 0 0 0 3px rgba(0, 236, 234, 0.18);
    outline: none;
}

.knowledge-base-input:focus,
.knowledge-base-select:focus {
    background: #fff;
    border-color: var(--kb-accent-2);
}

.knowledge-base-toolbar__buttons,
.knowledge-base-course__actions,
.knowledge-base-empty__actions,
.knowledge-base-preview__meta,
.knowledge-base-course__eyebrow {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.knowledge-base-button {
    align-items: center;
    background: transparent;
    border: 1px solid var(--kb-border);
    border-radius: 14px;
    color: var(--kb-ink);
    display: inline-flex;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    gap: 0.45rem;
    justify-content: center;
    min-height: 3.05rem;
    padding: 0.8rem 1rem;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    width: 100%;
}

.knowledge-base-button:hover,
.knowledge-base-button:focus {
    background: #fff;
    border-color: var(--kb-muted-2);
    color: var(--kb-ink);
}

.knowledge-base-button--primary {
    background: var(--kb-ink);
    border-color: var(--kb-ink);
    color: #fff;
}

.knowledge-base-button--primary:hover,
.knowledge-base-button--primary:focus {
    background: var(--kb-accent);
    border-color: var(--kb-accent);
    color: var(--kb-ink);
}

.knowledge-base-button--ghost {
    background: rgba(255, 255, 255, 0.72);
}

.knowledge-base-button__icon {
    display: inline-flex;
    font-size: 0.9em;
}

.knowledge-base-button__icon svg {
    display: block;
    height: 0.95rem;
    width: 0.95rem;
}

a.knowledge-base-button,
a.knowledge-base-button span {
    text-decoration: none !important;
}

.knowledge-base-course__actions a[target="_blank"]::after {
    content: none !important;
    display: none !important;
}

.knowledge-base-results {
    color: var(--kb-muted);
    font-size: 0.98rem;
}

.knowledge-base-tree {
    gap: 0.9rem;
}

.knowledge-base-section,
.knowledge-base-competency {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: 22px;
    overflow: hidden;
}

.knowledge-base-section[open] {
    box-shadow: 0 18px 40px rgba(18, 41, 51, 0.06);
}

.knowledge-base-section__summary,
.knowledge-base-competency__summary {
    align-items: center;
    cursor: pointer;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    list-style: none;
    padding: 1.1rem 1.25rem;
}

.knowledge-base-section__summary::-webkit-details-marker,
.knowledge-base-competency__summary::-webkit-details-marker {
    display: none;
}

.knowledge-base-section__summary:hover,
.knowledge-base-competency__summary:hover {
    background: rgba(242, 246, 244, 0.75);
}

.knowledge-base-summary-copy {
    gap: 0.3rem;
    min-width: 0;
}

.knowledge-base-summary-title {
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.28;
}

.knowledge-base-summary-meta,
.knowledge-base-group__meta,
.knowledge-base-course__status {
    color: var(--kb-muted);
    font-size: 0.92rem;
    line-height: 1.4;
}

.knowledge-base-risq,
.knowledge-base-course__code,
.knowledge-base-preview__tag,
.knowledge-base-toggle {
    align-items: center;
    background: var(--kb-panel);
    border: 1px solid var(--kb-border);
    border-radius: 999px;
    display: inline-flex;
}

.knowledge-base-risq,
.knowledge-base-course__code,
.knowledge-base-preview__tag {
    color: var(--kb-accent-2);
    font-weight: 700;
    line-height: 1;
}

.knowledge-base-preview__tag {
    gap: 0.35rem;
}

.knowledge-base-preview__tag-icon {
    color: var(--kb-muted-2);
    display: inline-flex;
    font-size: 0.82rem;
}

.knowledge-base-preview__tag-icon svg {
    display: block;
    height: 0.85rem;
    width: 0.85rem;
}

.knowledge-base-risq {
    font-size: 0.82rem;
    padding: 0.45rem 0.7rem;
    width: fit-content;
}

.knowledge-base-toggle {
    color: var(--kb-muted);
    flex: 0 0 auto;
    height: 2.25rem;
    justify-content: center;
    position: relative;
    width: 2.25rem;
}

.knowledge-base-toggle::before,
.knowledge-base-toggle::after {
    background: currentColor;
    border-radius: 999px;
    content: "";
    position: absolute;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.knowledge-base-toggle::before {
    height: 2px;
    width: 0.8rem;
}

.knowledge-base-toggle::after {
    height: 0.8rem;
    width: 2px;
}

.knowledge-base-section[open] > .knowledge-base-section__summary .knowledge-base-toggle,
.knowledge-base-competency[open] > .knowledge-base-competency__summary .knowledge-base-toggle {
    color: var(--kb-accent-2);
}

.knowledge-base-section[open] > .knowledge-base-section__summary .knowledge-base-toggle::after,
.knowledge-base-competency[open] > .knowledge-base-competency__summary .knowledge-base-toggle::after {
    opacity: 0;
    transform: scaleY(0.2);
}

.knowledge-base-section__content {
    display: grid;
    gap: 0.9rem;
    padding: 0 1rem 1rem;
}

.knowledge-base-competency {
    background: var(--kb-panel-2);
    border-radius: 18px;
}

.knowledge-base-competency__content {
    display: grid;
    gap: 1rem;
    padding: 0 1rem 1rem;
}

.knowledge-base-help {
    color: var(--kb-accent-2);
}

.knowledge-base-groups {
    gap: 0.9rem;
}

.knowledge-base-group {
    background: #fff;
    border: 1px solid var(--kb-border);
    border-left: 4px solid var(--kb-muted-2);
    border-radius: 16px;
    overflow: hidden;
}

.knowledge-base-group--training {
    border-left-color: #1367c7;
}

.knowledge-base-group--film {
    border-left-color: #576166;
}

.knowledge-base-group--certified {
    border-left-color: #2b8c67;
}

.knowledge-base-group__header {
    align-items: center;
    background: linear-gradient(180deg, #fff 0%, #fbfcfc 100%);
    border-bottom: 1px solid rgba(215, 223, 220, 0.9);
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    justify-content: space-between;
    padding: 1rem 0.95rem 0.9rem;
}

.knowledge-base-group__label {
    display: grid;
    gap: 0.25rem;
}

.knowledge-base-group__eyebrow {
    color: var(--kb-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    margin: 0;
    text-transform: uppercase;
}

.knowledge-base-group__title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.knowledge-base-course-list {
    gap: 0.75rem;
    list-style: none;
    margin: 0;
    padding: 1rem;
}

.knowledge-base-course {
    background: #fff;
    border: 1px solid var(--kb-border);
    border-radius: 14px;
    list-style: none;
    overflow: hidden;
}

.knowledge-base-course__row {
    display: grid;
    gap: 0.9rem;
    padding: 1rem;
}

.knowledge-base-course__main {
    display: grid;
    gap: 0.5rem;
    min-width: 0;
}

.knowledge-base-course__code,
.knowledge-base-preview__tag {
    font-size: 0.8rem;
    padding: 0.38rem 0.65rem;
}

.knowledge-base-course__title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.45;
}

.knowledge-base-preview {
    border-top: 1px solid var(--kb-border);
    display: grid;
    grid-template-rows: 1fr;
    opacity: 1;
    overflow: hidden;
    padding: 1rem;
    transition: grid-template-rows 0.28s ease, opacity 0.24s ease, transform 0.24s ease, padding 0.24s ease;
    transform: translateY(0);
    will-change: grid-template-rows, opacity, transform;
}

.knowledge-base-preview.is-hidden {
    grid-template-rows: 0fr;
    opacity: 0;
    pointer-events: none;
    padding-bottom: 0;
    padding-top: 0;
    transform: translateY(-0.35rem);
}

.knowledge-base-preview__inner {
    min-height: 0;
    overflow: hidden;
}

.knowledge-base-preview__grid {
    display: grid;
    gap: 1rem;
    min-height: 0;
}

.knowledge-base-preview__media {
    border-radius: 12px;
    overflow: hidden;
}

.knowledge-base-preview__image {
    aspect-ratio: 16 / 10;
    display: block;
    object-fit: cover;
    width: 100%;
}

.knowledge-base-preview__copy {
    gap: 0.8rem;
}

.knowledge-base-preview__meta {
    gap: 0.55rem;
}

.knowledge-base-preview__body {
    margin: 0;
}

.knowledge-base-preview__objectives {
    margin: 0;
    padding-left: 1.2rem;
}

.knowledge-base-preview__objectives li + li {
    margin-top: 0.35rem;
}

.knowledge-base-empty {
    background: linear-gradient(180deg, #f8fbfa 0%, #f2f6f4 100%);
    border: 1px solid var(--kb-border);
    border-radius: 22px;
    display: grid;
    gap: 0.7rem;
    padding: 1.4rem;
}

.knowledge-base-mark {
    background: #d8fff4;
    border-radius: 0.15em;
    color: inherit;
    padding: 0 0.08em;
}

@media (min-width: 768px) {
    .knowledge-base-toolbar__grid {
        align-items: end;
        grid-template-columns: minmax(0, 1.8fr) minmax(18rem, 1.15fr) auto;
    }

    .knowledge-base-toolbar__buttons {
        justify-content: flex-end;
    }

    .knowledge-base-button {
        width: auto;
    }

    .knowledge-base-section__content {
        padding: 0 1.2rem 1.2rem;
    }

    .knowledge-base-competency__content {
        padding: 0 1.1rem 1.1rem;
    }

    .knowledge-base-course__row {
        align-items: center;
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .knowledge-base-course__title {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .knowledge-base-course__actions {
        justify-content: flex-end;
    }

    .knowledge-base-preview__grid {
        grid-template-columns: minmax(12rem, 15rem) minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .knowledge-base-input,
    .knowledge-base-select,
    .knowledge-base-button,
    .knowledge-base-toggle::before,
    .knowledge-base-toggle::after,
    .knowledge-base-preview {
        transition: none;
    }
}