/* ==================================================
   KNOWLEDGE PAGE
================================================== */

.pg-knowledge-page {
    display: flex;
    flex-direction: column;
    gap: 24px;
}


/* --------------------------------------------------
   PAGE INTRO
-------------------------------------------------- */

.pg-knowledge-intro {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pg-knowledge-intro h1 {
    margin: 0;
}

.pg-knowledge-intro p {
    margin: 0;
    max-width: 720px;
}


/* --------------------------------------------------
   SECTION HEADER
-------------------------------------------------- */

.pg-knowledge-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pg-knowledge-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.pg-knowledge-section-title {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pg-knowledge-section-title h2 {
    margin: 0;
}


/* --------------------------------------------------
   DOCUMENT GRID
-------------------------------------------------- */

.pg-knowledge-document-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}


/* --------------------------------------------------
   DOCUMENT CARD
-------------------------------------------------- */

.pg-knowledge-document-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 18px;
}

.pg-knowledge-document-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.pg-knowledge-document-card__title {
    min-width: 0;
}

.pg-knowledge-document-card__title h3 {
    margin: 0;
}

.pg-knowledge-document-card__title p {
    margin: 6px 0 0;
}

.pg-knowledge-document-card__badge {
    flex: 0 0 auto;
}

.pg-knowledge-document-card__meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.pg-knowledge-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.pg-knowledge-meta-item__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pg-knowledge-meta-item__value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


/* --------------------------------------------------
   DOCUMENT EDITOR
-------------------------------------------------- */

.pg-knowledge-editor {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pg-knowledge-editor[hidden] {
    display: none;
}

.pg-knowledge-editor textarea {
    width: 100%;
    min-height: 280px;
    resize: vertical;
    box-sizing: border-box;
    line-height: 1.6;
}

.pg-knowledge-editor__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.pg-knowledge-editor__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}


/* --------------------------------------------------
   DOCUMENT ACTIONS
-------------------------------------------------- */

.pg-knowledge-document-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}


/* --------------------------------------------------
   STATUS
-------------------------------------------------- */

.pg-knowledge-status {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 24px;
    font-size: 0.875rem;
}

.pg-knowledge-status:empty {
    display: none;
}

.pg-knowledge-status.is-success {
    color: var(--pg-success, #16803c);
}

.pg-knowledge-status.is-error {
    color: var(--pg-danger, #c0392b);
}

.pg-knowledge-status.is-loading {
    color: var(--pg-text-muted, var(--pg-text-muted));
}


/* --------------------------------------------------
   REFERENCE IMAGE AREA
-------------------------------------------------- */

.pg-knowledge-reference-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pg-knowledge-reference-upload {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px;
    border: 1px dashed var(--pg-border, var(--pg-border));
    border-radius: 12px;
}

.pg-knowledge-reference-upload__content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pg-knowledge-reference-upload__content p {
    margin: 0;
}

.pg-knowledge-reference-upload__actions {
    flex: 0 0 auto;
}

.pg-knowledge-reference-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    padding: 24px;
    text-align: center;
    border: 1px dashed var(--pg-border, var(--pg-border));
    border-radius: 12px;
}

.pg-knowledge-reference-empty p {
    margin: 0;
}


/* --------------------------------------------------
   MOBILE
-------------------------------------------------- */

@media (max-width: 900px) {

    .pg-knowledge-document-grid {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 640px) {

    .pg-knowledge-page {
        gap: 20px;
    }

    .pg-knowledge-section-header {
        flex-direction: column;
    }

    .pg-knowledge-document-card__header {
        flex-direction: column;
    }

    .pg-knowledge-document-card__meta {
        grid-template-columns: 1fr 1fr;
    }

    .pg-knowledge-editor textarea {
        min-height: 240px;
    }

    .pg-knowledge-editor__footer {
        align-items: stretch;
        flex-direction: column;
    }

    .pg-knowledge-editor__actions {
        width: 100%;
    }

    .pg-knowledge-editor__actions .pg-button {
        flex: 1 1 auto;
    }

    .pg-knowledge-document-actions {
        width: 100%;
    }

    .pg-knowledge-document-actions .pg-button {
        flex: 1 1 auto;
    }

    .pg-knowledge-reference-upload {
        align-items: stretch;
        flex-direction: column;
    }

    .pg-knowledge-reference-upload__actions {
        width: 100%;
    }

    .pg-knowledge-reference-upload__actions .pg-button {
        width: 100%;
    }

}

/* =========================================================
   PACKGPT KNOWLEDGE — CLEAN ADMIN V2 LAYOUT
   ========================================================= */

.pg-knowledge-page {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 30px 32px 42px;
    box-sizing: border-box;
}

.pg-knowledge-page-header {
    margin-bottom: 26px;
}

.pg-knowledge-page-header h1 {
    margin: 0;
    color: var(--pg-text);
    font-size: 30px;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.pg-knowledge-page-header p {
    max-width: 760px;
    margin: 8px 0 0;
    color: var(--pg-text-secondary);
    font-size: var(--pg-font-size-sm);
    line-height: 1.6;
}

.pg-knowledge-back {
    margin-top: 18px;
}

.pg-knowledge-section {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.pg-knowledge-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.pg-knowledge-section-header h2 {
    margin: 0;
    color: var(--pg-text);
    font-size: 22px;
    line-height: 1.3;
}

.pg-knowledge-section-header p {
    margin: 7px 0 0;
    color: var(--pg-text-secondary);
    font-size: var(--pg-font-size-sm);
}

.pg-knowledge-document-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.pg-knowledge-document-card {
    min-width: 0;
    padding: 22px;
}

.pg-knowledge-document-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}

.pg-knowledge-document-card__title {
    min-width: 0;
}

.pg-knowledge-document-card__title h3 {
    margin: 0;
    color: var(--pg-text);
    font-size: 18px;
    line-height: 1.35;
}

.pg-knowledge-document-card__title p {
    margin: 7px 0 0;
    color: var(--pg-text-secondary);
    font-size: var(--pg-font-size-sm);
    line-height: 1.55;
}

.pg-knowledge-document-card__badge {
    flex: 0 0 auto;
    white-space: nowrap;
}

.pg-knowledge-document-card__meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.pg-knowledge-meta-item {
    min-width: 0;
    padding: 12px 14px;
    background: var(--pg-surface-muted);
    border: 1px solid var(--pg-border-light);
    border-radius: var(--pg-radius-sm);
}

.pg-knowledge-meta-item__label {
    display: block;
    margin-bottom: 6px;
    font-size: var(--pg-font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pg-knowledge-meta-item__value {
    display: block;
    color: var(--pg-text);
    font-size: var(--pg-font-size-sm);
    font-weight: 600;
}

.pg-knowledge-status {
    min-height: 22px;
    margin-bottom: 14px;
    font-size: var(--pg-font-size-sm);
}

.pg-knowledge-document-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.pg-knowledge-editor[hidden] {
    display: none !important;
}

/* =========================================================
   EDITOR MODAL
   ========================================================= */

.pg-knowledge-editor {
    position: fixed;
    inset: 0;
    z-index: 1000;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 24px;
    box-sizing: border-box;

    background: rgba(15, 23, 42, 0.42);
}

.pg-knowledge-editor > .pg-form-field {
    position: relative;

    width: min(900px, 100%);
    max-height: min(780px, calc(100vh - 48px));

    display: flex;
    flex-direction: column;

    margin: 0;
    padding: 24px;

    overflow: hidden;

    background: var(--pg-surface);
    border: 1px solid var(--pg-border);
    border-radius: var(--pg-radius-lg);
    box-shadow: var(--pg-shadow-lg);
}

/* Editor label becomes modal content container */

.pg-knowledge-editor > .pg-form-field > span {
    display: block;
    flex: 0 0 auto;

    margin-bottom: 12px;

    color: var(--pg-text);
    font-size: 16px;
    font-weight: 700;
}

/* Large files scroll INSIDE the editor */

.pg-knowledge-editor textarea {
    width: 100%;
    min-height: 0;
    height: min(58vh, 560px);

    flex: 1 1 auto;

    resize: none;
    overflow-y: auto;

    box-sizing: border-box;

    padding: 14px 16px;

    color: var(--pg-text);
    background: var(--pg-surface);

    border: 1px solid var(--pg-border);
    border-radius: var(--pg-radius-md);

    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 13px;
    line-height: 1.65;

    outline: none;
}

.pg-knowledge-editor textarea:focus {
    border-color: var(--pg-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.pg-knowledge-editor__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    flex: 0 0 auto;

    margin-top: 16px;
    padding-top: 16px;

    border-top: 1px solid var(--pg-border-light);
}

.pg-knowledge-editor__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* =========================================================
   IMAGE UPLOAD FORM (knowledge-images.php)
   ========================================================= */

.pg-knowledge-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    flex: 0 0 auto;
    margin-bottom: 16px;
}

.pg-knowledge-editor-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--pg-text);
}

.pg-knowledge-editor-header [data-knowledge-image-close] {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;
    font-size: 20px;
    line-height: 1;
}

.pg-knowledge-image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;

    max-height: 220px;
    overflow-y: auto;

    padding: 4px;
}

.pg-knowledge-image-selected {
    position: relative;

    width: 96px;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;

    padding: 6px;

    background: var(--pg-surface-muted);
    border: 1px solid var(--pg-border);
    border-radius: var(--pg-radius-md);
}

.pg-knowledge-image-selected img {
    width: 100%;
    height: 80px;

    object-fit: cover;
    border-radius: var(--pg-radius-sm);
}

.pg-knowledge-image-selected span {
    width: 100%;

    font-size: 11px;
    color: var(--pg-text-muted);

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}

.pg-knowledge-image-selected button {
    position: absolute;
    top: 2px;
    right: 2px;

    width: 20px;
    height: 20px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;
    font-size: 14px;
    line-height: 1;

    background: rgba(15, 23, 42, 0.65);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

.pg-knowledge-editor-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;

    flex: 0 0 auto;
    margin-top: 16px;
    padding-top: 16px;

    border-top: 1px solid var(--pg-border-light);
}

/* This popup (identified by its own header class) has more
   fields than the text-knowledge popup, so on small screens
   it needs to scroll internally instead of clipping its
   bottom content (buttons, status message) out of view. */

.pg-knowledge-editor:has(.pg-knowledge-editor-header) > .pg-form-field {
    overflow-y: auto;
}

/* =========================================================
   KNOWLEDGE LANDING PAGE
   ========================================================= */

.pg-knowledge-landing {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 32px 42px;
    box-sizing: border-box;
}

.pg-knowledge-landing-header {
    margin-bottom: 28px;
}

.pg-knowledge-landing-header h1 {
    margin: 0;
    color: var(--pg-text);
    font-size: 30px;
    line-height: 1.2;
}

.pg-knowledge-landing-header p {
    margin: 8px 0 0;
    color: var(--pg-text-secondary);
    font-size: var(--pg-font-size-sm);
}

.pg-knowledge-landing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.pg-knowledge-landing-card {
    display: flex;
    flex-direction: column;
    min-height: 210px;
    padding: 26px;
}

.pg-knowledge-landing-card h2 {
    margin: 0;
    color: var(--pg-text);
    font-size: 21px;
}

.pg-knowledge-landing-card p {
    margin: 10px 0 0;
    color: var(--pg-text-secondary);
    font-size: var(--pg-font-size-sm);
    line-height: 1.6;
}

.pg-knowledge-landing-card .pg-button {
    align-self: flex-start;
    margin-top: auto;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {

    .pg-knowledge-document-grid,
    .pg-knowledge-landing-grid {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 640px) {

    .pg-knowledge-page,
    .pg-knowledge-landing {
        padding: 22px 16px 32px;
    }

    .pg-knowledge-page-header h1,
    .pg-knowledge-landing-header h1 {
        font-size: 25px;
    }

    .pg-knowledge-document-card {
        padding: 18px;
    }

    .pg-knowledge-document-card__header {
        flex-direction: column;
        gap: 12px;
    }

    .pg-knowledge-editor {
        align-items: stretch;
        padding: 12px;
    }

    .pg-knowledge-editor > .pg-form-field {
        max-height: calc(100vh - 24px);
        padding: 18px;
    }

    .pg-knowledge-editor textarea {
        height: 55vh;
    }

    .pg-knowledge-editor__footer {
        align-items: stretch;
        flex-direction: column;
    }

    .pg-knowledge-editor__actions {
        width: 100%;
    }

    .pg-knowledge-editor__actions .pg-button {
        flex: 1 1 0;
    }

}

/* --------------------------------------------------
   FINAL TEXT KNOWLEDGE CARD POLISH
-------------------------------------------------- */

.pg-knowledge-document-card {
    min-height: 0;
}

.pg-knowledge-document-card__header {
    margin-bottom: 18px;
}

.pg-knowledge-document-card__meta {
    margin-bottom: 12px;
}

.pg-knowledge-status {
    min-height: 20px;
    margin-bottom: 8px;
}

.pg-knowledge-document-actions {
    margin-top: 14px;
}

.pg-knowledge-landing-card h2 {
    margin-top: 8px;
}

.pg-knowledge-landing-card p {
    max-width: 520px;
}

.pg-knowledge-landing-card {
    transition:
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease;
}

.pg-knowledge-landing-card:hover {
    border-color: var(--pg-primary);
    box-shadow: var(--pg-shadow-md);
    transform: translateY(-2px);
}

/* --------------------------------------------------
   KNOWLEDGE LANDING CARD LINK RESET
-------------------------------------------------- */

.pg-knowledge-landing-card,
.pg-knowledge-landing-card:visited,
.pg-knowledge-landing-card:hover,
.pg-knowledge-landing-card:active {
    color: inherit;
    text-decoration: none;
}

.pg-knowledge-landing-card .pg-eyebrow,
.pg-knowledge-landing-card h2,
.pg-knowledge-landing-card p {
    text-decoration: none;
}

.pg-knowledge-landing-card .pg-button {
    text-decoration: none;
}

/* =========================================================
   TEXT KNOWLEDGE — FINAL SPACING AND ALIGNMENT
   ========================================================= */

.pg-knowledge-page {
    padding-top: 20px;
    padding-bottom: 28px;
}

.pg-knowledge-page-header {
    margin-bottom: 20px;
}

.pg-knowledge-page-header h1 {
    font-size: 28px;
}

.pg-knowledge-page-header p {
    margin-top: 6px;
    max-width: 820px;
}

.pg-knowledge-back {
    margin-top: 14px;
}

.pg-knowledge-section {
    gap: 14px;
}

.pg-knowledge-section-header {
    margin-bottom: 2px;
}

.pg-knowledge-section-header h2 {
    font-size: 21px;
}

.pg-knowledge-section-header p {
    margin-top: 5px;
}

.pg-knowledge-document-grid {
    align-items: stretch;
    gap: 16px;
}

.pg-knowledge-document-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 20px;
    box-sizing: border-box;
}

.pg-knowledge-document-card__header {
    min-height: 72px;
    margin-bottom: 16px;
}

.pg-knowledge-document-card__title h3 {
    font-size: 17px;
}

.pg-knowledge-document-card__title p {
    margin-top: 5px;
    line-height: 1.45;
}

.pg-knowledge-document-card__meta {
    margin-bottom: 12px;
    gap: 10px;
}

.pg-knowledge-meta-item {
    padding: 10px 12px;
}

.pg-knowledge-meta-item__label {
    margin-bottom: 5px;
}

.pg-knowledge-status {
    min-height: 20px;
    margin-bottom: 10px;
}

.pg-knowledge-document-actions {
    margin-top: auto;
    padding-top: 14px;
    gap: 8px;
}

.pg-knowledge-document-actions .pg-button {
    min-height: 36px;
    padding: 8px 14px;
    font-size: 13px;
}


/* Keep both cards visually parallel */

.pg-knowledge-document-card__header,
.pg-knowledge-document-card__meta,
.pg-knowledge-status {
    flex-shrink: 0;
}


/* Slightly cleaner document status */

.pg-knowledge-document-card__badge {
    font-size: 13px;
    font-weight: 500;
    color: var(--pg-text-secondary);
}


/* Desktop balance */

@media (min-width: 901px) {

    .pg-knowledge-document-card {
        min-height: 300px;
    }

}


/* Smaller screens */

@media (max-width: 900px) {

    .pg-knowledge-document-card {
        min-height: 0;
    }

}

/* --------------------------------------------------
   TEXT KNOWLEDGE — COMPACT PAGE HEADER
-------------------------------------------------- */

.pg-knowledge-page {
    padding-top: 16px;
    padding-bottom: 24px;
}

.pg-knowledge-page-header {
    margin-bottom: 14px;
}

.pg-knowledge-page-header h1 {
    margin-top: 4px;
    margin-bottom: 6px;
}

.pg-knowledge-page-header p {
    margin-top: 0;
    max-width: 820px;
}

.pg-knowledge-section {
    gap: 10px;
}

.pg-knowledge-section-header {
    margin-bottom: 0;
}

.pg-knowledge-section-header h2 {
    margin-top: 4px;
    margin-bottom: 5px;
}

.pg-knowledge-section-header p {
    margin-top: 0;
}

/* =========================================================
   TEXT KNOWLEDGE — FINAL VIEWPORT FIT
   ========================================================= */

.pg-knowledge-page {
    padding-top: 14px;
    padding-bottom: 12px;
}

.pg-knowledge-page-header {
    margin-bottom: 6px;
}

.pg-knowledge-page-header h1 {
    margin-top: 2px;
    margin-bottom: 3px;
    line-height: 1.15;
}

.pg-knowledge-page-header p {
    margin-top: 0;
    line-height: 1.35;
}

.pg-knowledge-section {
    gap: 4px;
}

.pg-knowledge-section-header {
    margin-bottom: 0;
}

.pg-knowledge-section-header h2 {
    margin-top: 2px;
    margin-bottom: 3px;
    line-height: 1.2;
}

.pg-knowledge-section-header p {
    margin-top: 0;
    line-height: 1.3;
}

.pg-knowledge-document-grid {
    gap: 16px;
}

.pg-knowledge-document-card {
    min-height: 280px;
    padding: 18px;
}

.pg-knowledge-document-card__header {
    min-height: 60px;
    margin-bottom: 12px;
}

.pg-knowledge-document-card__title p {
    margin-top: 4px;
    line-height: 1.35;
}

.pg-knowledge-document-card__meta {
    margin-bottom: 8px;
}

.pg-knowledge-status {
    margin-bottom: 6px;
}

.pg-knowledge-document-actions {
    padding-top: 10px;
}

/* =========================================================
   KNOWLEDGE EDITOR MODAL — STRONG DARK BACKDROP
   ========================================================= */

.pg-knowledge-editor:not([hidden]) {
    position: fixed;
    z-index: 1000;
    box-shadow:
        0 0 0 100vmax rgba(15, 23, 42, 0.78);
}

.pg-knowledge-editor:not([hidden]) > * {
    position: relative;
    z-index: 1;
}

/* --------------------------------------------------
   REFERENCE IMAGE GRID
-------------------------------------------------- */

.pg-knowledge-reference-grid {
    display: grid;
    grid-template-columns: repeat(
        auto-fill,
        minmax(220px, 1fr)
    );
    gap: 20px;
}


/* --------------------------------------------------
   IMAGE CARD
-------------------------------------------------- */

.knowledge-image-card {
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--pg-border, var(--pg-border));
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
    transition: transform 0.15s ease,
                box-shadow 0.15s ease;
}

.knowledge-image-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.10);
}


/* --------------------------------------------------
   IMAGE PREVIEW
-------------------------------------------------- */

.knowledge-image-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--pg-surface-muted);
}

.knowledge-image-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}


/* --------------------------------------------------
   IMAGE CARD CONTENT
-------------------------------------------------- */

.knowledge-image-card-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px 16px;
}

.knowledge-image-card-body h4 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--pg-text, #172033);
    word-break: break-word;
}

.knowledge-image-card-body p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--pg-text-muted, var(--pg-text-muted));
}

.knowledge-image-card-body small {
    min-height: 18px;
    font-size: 0.78rem;
    color: var(--pg-text-muted, var(--pg-text-muted));
}


/* --------------------------------------------------
   MESSAGE
-------------------------------------------------- */

.pg-knowledge-image-message {
    min-height: 20px;
    font-size: 0.85rem;
}

.pg-knowledge-image-message:empty {
    display: none;
}

.pg-knowledge-image-message.success {
    color: var(--pg-success, #16803c);
}

.pg-knowledge-image-message.error {
    color: var(--pg-danger, #c0392b);
}


/* --------------------------------------------------
   MOBILE
-------------------------------------------------- */

@media (max-width: 640px) {

    .pg-knowledge-reference-grid {
        grid-template-columns: 1fr;
    }

    .knowledge-image-preview {
        height: 240px;
    }

}

/* --------------------------------------------------
   KNOWLEDGE IMAGE FORM STATUS POPUP
   Dedicated selectors — do not reuse existing message styles
-------------------------------------------------- */

.pg-knowledge-image-popup {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgb(0 0 0 / 35%);
}

.pg-knowledge-image-popup[hidden] {
    display: none;
}

.pg-knowledge-image-popup__dialog {
    position: relative;
    width: min(420px, 100%);
    padding: 28px 48px 28px 24px;
    border: 1px solid var(--pg-border, var(--pg-border));
    border-radius: 12px;
    background: var(--pg-surface, #fff);
    box-shadow: 0 12px 40px rgb(0 0 0 / 20%);
}

.pg-knowledge-image-popup__message {
    font-size: 0.95rem;
    line-height: 1.5;
}

.pg-knowledge-image-popup.success .pg-knowledge-image-popup__message {
    color: var(--pg-success, #16803c);
}

.pg-knowledge-image-popup.error .pg-knowledge-image-popup__message {
    color: var(--pg-danger, #c0392b);
}

.pg-knowledge-image-popup__close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
}


/* Four-domain knowledge navigation */
.pg-knowledge-domain-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;padding-bottom:12px;border-bottom:1px solid var(--pg-border,#dbe2ea)}
.pg-knowledge-domain-tab{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border:1px solid var(--pg-border,#dbe2ea);border-radius:8px;text-decoration:none;color:inherit;background:var(--pg-surface,#fff);font-weight:600}
.pg-knowledge-domain-tab.is-active{border-color:var(--pg-primary,#2563eb);background:var(--pg-primary-soft,#eff6ff);color:var(--pg-primary,#1d4ed8)}