/* ============================================
   ARTICLE CARD - Redesign Aprovado
   Usa tokens semânticos do design-tokens.css
   Foco em hierarquia visual, escaneabilidade e consistência
============================================ */

/* Card Principal */
.article-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    height: auto;
    min-height: 280px;
    transition: var(--transition-base);
    overflow: hidden;
}

.article-card:hover {
    border-color: var(--color-primary-600);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

/* Estado selecionado para navegação por teclado */
.article-card.is-active {
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 2px var(--color-primary-400), var(--shadow-lg);
    background: var(--color-bg-hover);
}

.article-card.is-active:hover {
    background: var(--color-bg-hover);
}

/* Focus styles - usando outline nativo para acessibilidade */
.article-card:focus-within {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

/* ============================================
   CABEÇALHO: Tags + Ícones
   ============================================ */
.article-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    flex: 1;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    transition: var(--transition-fast);
}

.article-tag .icon {
    font-size: var(--font-size-xs);
    flex-shrink: 0;
}

.article-tag .icon.icon-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
}

.article-tag .icon.icon-svg svg {
    width: 100%;
    height: 100%;
}

/* Categorias - chips soft-tint (fundo claro + texto saturado + borda 1px) */
.article-tag.category-clinica,
.article-tag.category-clínica {
    background: var(--cat-clinica-bg);
    color: var(--cat-clinica-fg);
    border: 1px solid var(--cat-clinica-bd);
}

.article-tag.category-pesquisa {
    background: var(--cat-pesquisa-bg);
    color: var(--cat-pesquisa-fg);
    border: 1px solid var(--cat-pesquisa-bd);
}

.article-tag.category-educacao,
.article-tag.category-educação {
    background: var(--cat-educacao-bg);
    color: var(--cat-educacao-fg);
    border: 1px solid var(--cat-educacao-bd);
}

.article-tag.category-organizacional {
    background: var(--cat-organizacional-bg);
    color: var(--cat-organizacional-fg);
    border: 1px solid var(--cat-organizacional-bd);
}

.article-tag.category-autismo {
    background: var(--cat-autismo-bg);
    color: var(--cat-autismo-fg);
    border: 1px solid var(--cat-autismo-bd);
}

.article-tag.category-behaviorismo-radical {
    background: var(--cat-behaviorismo-bg);
    color: var(--cat-behaviorismo-fg);
    border: 1px solid var(--cat-behaviorismo-bd);
}

.article-tag.category-comportamento-verbal {
    background: var(--cat-verbal-bg);
    color: var(--cat-verbal-fg);
    border: 1px solid var(--cat-verbal-bd);
}

.article-tag.category-noticias,
.article-tag.category-notícias {
    background: var(--cat-noticias-bg);
    color: var(--cat-noticias-fg);
    border: 1px solid var(--cat-noticias-bd);
}

.article-tag.category-outros {
    background: var(--cat-outros-bg);
    color: var(--cat-outros-fg);
    border: 1px solid var(--cat-outros-bd);
}

/* Marcadores de tipo — outline-only (burgundy / tan / sage) */
.article-tag.type-portal {
    background: transparent;
    color: var(--color-tan-500);
    border: 1px solid var(--color-tan-300);
}

.article-tag.type-periodico {
    background: transparent;
    color: var(--color-primary-600);
    border: 1px solid var(--color-primary-300);
}

.article-tag.type-open-access {
    background: transparent;
    color: var(--color-sage-600);
    border: 1px solid var(--color-sage-300);
}

.article-tag:hover {
    opacity: 0.92;
    transform: scale(1.03);
}

/* Ícones do cabeçalho */
.article-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex-shrink: 0;
}

.article-header-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    border: 1px solid var(--color-border-light);
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    padding: 0;
    color: var(--color-text-tertiary);
    text-decoration: none;
}

.article-header-icon:hover {
    border-color: var(--color-primary-400);
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.article-header-icon:active {
    transform: scale(0.95);
    background: var(--color-primary-100);
}

.article-header-icon:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

.article-header-icon .icon.icon-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

.article-header-icon .icon.icon-svg svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   TÍTULO
   ============================================ */
.article-title {
    font-size: 19px; /* 1.1875rem - aumentado de 15px para melhor legibilidade */
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    margin-bottom: var(--space-3);
}

/* Fallback para navegadores sem suporte a line-clamp */
@supports not (-webkit-line-clamp: 2) {
    .article-title {
        max-height: calc(19px * var(--line-height-tight) * 2);
        overflow: hidden;
    }
}

.article-title-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

.article-title-link:hover {
    color: var(--color-primary-600);
}

.article-title-link:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   METADADOS: Uma linha consolidada
   ============================================ */
.article-metadata {
    margin-bottom: var(--space-3);
}

.metadata-item.metadata-inline {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    flex-wrap: wrap;
    line-height: var(--line-height-normal);
}

.metadata-author {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.metadata-et-al {
    font-style: italic;
    color: var(--color-text-muted);
}

.metadata-separator {
    color: var(--color-text-muted);
    font-weight: var(--font-weight-normal);
}

.metadata-source {
    color: var(--color-text-tertiary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.metadata-date {
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

/* Autores (formato curto) */
.article-authors {
    margin-bottom: var(--space-2);
}

.authors-short {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
}

.authors-short .icon {
    width: var(--space-4);
    height: var(--space-4);
    color: var(--color-primary-500);
    flex-shrink: 0;
}

/* Novos elementos de metadata */
.metadata-language {
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.metadata-impact-inline {
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.metadata-impact-inline.high {
    color: var(--color-success-700);
}

.metadata-impact-inline.medium {
    color: var(--color-warning-600);
}

.metadata-impact-inline.low {
    color: var(--color-primary-700);
}

.metadata-doi {
    color: var(--color-primary-600);
    text-decoration: none;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.metadata-doi:hover {
    color: var(--color-primary-700);
    text-decoration: underline;
}

.metadata-doi:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   DESCRIÇÃO
   ============================================ */
.article-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    margin-bottom: var(--space-3);
    font-style: italic;
}

/* ============================================
   MÉTRICAS: Dois blocos compactos lado a lado
   ============================================ */
.article-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.metric-card {
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-height: 60px;
    align-items: flex-start;
}

.metric-card.impact-card {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
}

.metric-card.relevance-card {
    background: linear-gradient(135deg, var(--color-sage-50) 0%, var(--color-sage-100) 100%);
}

.metric-card-empty {
    opacity: 0.6;
}

.metric-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-primary-600);
    margin: 0;
}

.metric-card.relevance-card .metric-label {
    color: var(--color-sage-600);
    font-weight: var(--font-weight-bold);
}

.metric-label .icon {
    font-size: var(--font-size-xs);
}

.metric-label .icon.icon-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--font-size-xs);
    height: var(--font-size-xs);
}

.metric-label .icon.icon-svg svg {
    width: 100%;
    height: 100%;
}

.metric-value {
    font-family: var(--font-data);
    font-variant-numeric: tabular-nums;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-700);
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    line-height: 1;
}

.metric-card.relevance-card .metric-value {
    color: var(--color-sage-600);
    font-size: var(--font-size-2xl);
}

.metric-unit {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    opacity: 0.8;
}

.metric-value-empty {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

.metric-bar {
    width: 100%;
    height: 3px;
    background: var(--color-primary-100);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-top: auto;
}

.metric-card.relevance-card .metric-bar {
    background: var(--color-sage-100);
}

.metric-bar-fill {
    height: 100%;
    background: var(--color-primary-600);
    border-radius: var(--radius-sm);
    transition: width var(--transition-base);
}

.metric-card.relevance-card .metric-bar-fill {
    background: var(--color-sage-400);
}

/* ============================================
   FOOTER: Ações principais
   ============================================ */
.article-footer {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-light);
    margin-top: auto;
}

.article-button {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    transition: var(--transition-base);
    font-family: inherit;
    text-decoration: none;
    min-height: 44px; /* WCAG: touch target mínimo */
}

.article-button-primary {
    background-color: var(--color-primary-600);
    color: #ffffff;
}

.article-button-primary:hover {
    background-color: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.article-button-primary:active {
    background-color: var(--color-primary-900);
    transform: translateY(0);
}

.article-button-secondary {
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-medium);
}

.article-button-secondary:hover {
    background-color: var(--color-bg-hover);
    border-color: var(--color-primary-400);
    color: var(--color-text-primary);
}

.article-button-secondary:active {
    background-color: var(--color-primary-100);
}

.article-button:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

.article-button .icon.icon-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--font-size-sm);
    height: var(--font-size-sm);
    flex-shrink: 0;
}

.article-button .icon.icon-svg svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .article-card {
        padding: var(--space-3);
    }

    .article-title {
        font-size: calc(var(--font-size-base) * 0.9375); /* ~15px */
    }

    .article-description {
        font-size: var(--font-size-xs);
    }

    .metric-value {
        font-size: var(--font-size-lg);
    }

    .metric-card.relevance-card .metric-value {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 640px) {
    .article-card {
        padding: var(--space-3);
        min-height: 260px;
    }

    .article-header {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .article-header-actions {
        order: -1;
        width: 100%;
        justify-content: flex-end;
    }

    .article-title {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-2);
    }

    .article-metadata {
        margin-bottom: var(--space-2);
    }

    .metadata-item.metadata-inline {
        font-size: var(--font-size-xs);
        gap: var(--space-1);
    }

    .metadata-source {
        max-width: 120px;
    }

    .article-description {
        font-size: var(--font-size-xs);
        -webkit-line-clamp: 2;
        margin-bottom: var(--space-2);
    }

    .article-metrics {
        gap: var(--space-2);
        margin-bottom: var(--space-3);
        grid-template-columns: 1fr; /* Stack em mobile */
    }

    .metric-card {
        padding: var(--space-2);
        min-height: 55px;
    }

    .metric-label {
        font-size: calc(var(--font-size-xs) * 0.833); /* ~10px */
    }

    .metric-value {
        font-size: var(--font-size-lg);
    }

    .metric-card.relevance-card .metric-value {
        font-size: var(--font-size-xl);
    }

    .article-footer {
        padding-top: var(--space-2);
        gap: var(--space-2);
        flex-direction: column; /* Stack em mobile */
    }

    .article-button {
        padding: calc(var(--space-2) * 0.875) var(--space-2);
        font-size: var(--font-size-xs);
        width: 100%; /* Full width em mobile */
    }

    .article-header-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
[data-theme="dark"] .article-card.is-active,
@media (prefers-color-scheme: dark) {
    .article-card.is-active {
        background: var(--color-bg-secondary);
        border-color: var(--color-primary-400);
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .article-card,
    .article-button,
    .article-header-icon,
    .metric-bar-fill,
    .article-tag {
        transition: none;
        transform: none !important;
    }

    .article-card:hover {
        transform: none;
    }

    .article-button:hover {
        transform: none;
    }

    .article-header-icon:hover,
    .article-header-icon:active {
        transform: none;
    }

    .article-tag:hover {
        transform: none;
    }
}

/* ============================================
   VERSÃO COMPACTA (.article-card--compact)
   Para listas densas - reduz altura e carga cognitiva
   ============================================ */
.article-card--compact {
    padding: var(--space-2) var(--space-3);
    min-height: auto;
    height: auto;
}

.article-card--compact:hover {
    transform: none; /* Sem elevação na versão compacta */
    box-shadow: var(--shadow-sm);
}

.article-card--compact.is-active {
    box-shadow: 0 0 0 2px var(--color-primary-400), var(--shadow-sm);
}

/* Cabeçalho compacto */
.article-card--compact .article-header {
    margin-bottom: var(--space-2);
}

.article-card--compact .article-tags {
    gap: var(--space-1);
}

.article-card--compact .article-tag {
    padding: 2px var(--space-2);
    font-size: calc(var(--font-size-xs) * 0.9);
}

.article-card--compact .article-header-actions {
    gap: var(--space-1);
}

.article-card--compact .article-header-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
}

.article-card--compact .article-header-icon .icon.icon-svg {
    width: 14px;
    height: 14px;
}

/* Título compacto: 1 linha (2 em desktop) */
.article-card--compact .article-title {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    -webkit-line-clamp: 1;
    line-height: var(--line-height-normal);
}

@media (min-width: 640px) {
    .article-card--compact .article-title {
        -webkit-line-clamp: 2;
    }
}

/* Autores compactos */
.article-card--compact .article-authors {
    margin-bottom: var(--space-1);
}

.article-card--compact .authors-short {
    font-size: var(--font-size-xs);
    gap: var(--space-1);
}

.article-card--compact .authors-short .icon {
    width: var(--space-3);
    height: var(--space-3);
}

/* Metadados compactos: ordem alinhada com página (Data • Journal • Idioma • Impacto • DOI) */
.article-card--compact .article-metadata {
    margin-bottom: var(--space-2);
}

.article-card--compact .metadata-item.metadata-inline {
    font-size: var(--font-size-xs);
    gap: var(--space-1);
    line-height: var(--line-height-tight);
    flex-wrap: wrap;
}

.article-card--compact .metadata-source {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-card--compact .metadata-language {
    font-size: var(--font-size-xs);
}

.article-card--compact .metadata-impact-inline {
    font-size: var(--font-size-xs);
}

.article-card--compact .metadata-doi {
    font-size: var(--font-size-xs);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
}

/* Ocultar descrição na versão compacta */
.article-card--compact .article-description {
    display: none;
}

/* Métricas compactas: inline, resumidas, sem barras */
.article-card--compact .article-metrics {
    display: flex;
    flex-direction: row;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
    grid-template-columns: none;
}

.article-card--compact .metric-card {
    background: transparent;
    padding: 0;
    min-height: auto;
    flex-direction: row;
    align-items: center;
    gap: var(--space-1);
    flex: 0 0 auto;
}

.article-card--compact .metric-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: none;
    letter-spacing: normal;
    margin: 0;
    color: var(--color-text-tertiary);
}

.article-card--compact .metric-card.relevance-card .metric-label {
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
}

.article-card--compact .metric-label .icon {
    display: none; /* Ocultar ícones nas métricas compactas */
}

.article-card--compact .metric-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1;
}

.article-card--compact .metric-card.relevance-card .metric-value {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.article-card--compact .metric-unit {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.article-card--compact .metric-value-empty {
    font-size: var(--font-size-xs);
}

/* Ocultar barras de progresso na versão compacta */
.article-card--compact .metric-bar {
    display: none;
}

/* Footer compacto: botões ghost/outline */
.article-card--compact .article-footer {
    padding-top: var(--space-2);
    gap: var(--space-2);
    border-top: 1px solid var(--color-border-light);
}

.article-card--compact .article-button {
    padding: var(--space-1) var(--space-2);
    min-height: 32px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    flex: 0 1 auto;
}

.article-card--compact .article-button-primary {
    background-color: transparent;
    color: var(--color-primary-400);
    border: 1px solid var(--color-primary-400);
}

.article-card--compact .article-button-primary:hover {
    background-color: var(--color-primary-50);
    border-color: var(--color-primary-500);
    color: var(--color-primary-500);
    transform: none;
    box-shadow: none;
}

.article-card--compact .article-button-primary:active {
    background-color: var(--color-primary-100);
    border-color: var(--color-primary-600);
    color: var(--color-primary-600);
}

.article-card--compact .article-button-secondary {
    background-color: transparent;
    color: var(--color-text-tertiary);
    border: 1px solid var(--color-border-medium);
}

.article-card--compact .article-button-secondary:hover {
    background-color: var(--color-bg-hover);
    border-color: var(--color-border-dark);
    color: var(--color-text-secondary);
}

.article-card--compact .article-button-secondary:active {
    background-color: var(--color-primary-50);
}

.article-card--compact .article-button .icon.icon-svg {
    width: 12px;
    height: 12px;
}

/* Mobile: botões apenas com ícones */
@media (max-width: 640px) {
    .article-card--compact .article-button {
        width: 36px;
        min-width: 36px;
        padding: var(--space-1);
        flex: 0 0 auto;
    }

    .article-card--compact .article-button span:not(.icon) {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border-width: 0;
    }

    .article-card--compact .article-button .icon {
        margin: 0;
    }
}

/* Responsive para versão compacta */
@media (max-width: 640px) {
    .article-card--compact {
        padding: var(--space-2);
    }

    .article-card--compact .article-header {
        margin-bottom: var(--space-1);
    }

    .article-card--compact .article-title {
        font-size: var(--font-size-xs);
        margin-bottom: var(--space-1);
        -webkit-line-clamp: 1;
    }

    .article-card--compact .article-metadata {
        margin-bottom: var(--space-1);
    }

    .article-card--compact .metadata-item.metadata-inline {
        font-size: calc(var(--font-size-xs) * 0.9);
    }

    .article-card--compact .article-metrics {
        gap: var(--space-2);
        margin-bottom: var(--space-1);
    }

    .article-card--compact .metric-value {
        font-size: var(--font-size-xs);
    }

    .article-card--compact .article-footer {
        padding-top: var(--space-1);
        gap: var(--space-1);
    }
}