/**
 * @file
 * Styles for OJS View Paper block.
 * 
 * This file uses shared CSS variables from ojs-shared-variables.css
 * to maintain consistent styling across all OJS templates.
 */

/* Container do bloco */
.ojs-view-paper-block {
  margin: 0;
  max-width: 100%;
}

/* Artigo principal */
.paper-detail {
  background: #ffffff;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

/* Cabeçalho do artigo */
.paper-header {
  margin-bottom: var(--ojs-spacing-lg);
  padding: var(--ojs-spacing-xl);
  border-bottom: 1px solid var(--ojs-border-primary);
  background: var(--ojs-bg-secondary);
}

.paper-title {
  margin: 0 0 var(--ojs-spacing-md) 0;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.paper-subtitle {
  margin: 0 0 var(--ojs-spacing-md) 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: #4a4a4a;
}

.paper-published {
  font-size: 0.875rem;
  color: #4a4a4a;
}

.published-label {
  font-weight: 700;
}

.published-value {
  font-weight: 400;
}

.paper-volume {
  font-size: 0.875rem;
  color: #4a4a4a;
}

.volume-label {
  font-weight: 700;
}

.volume-value {
  font-weight: 400;
}

.paper-keywords-header {
  margin: 0 0 var(--ojs-spacing-md) 0;
  font-size: 0.875rem;
  color: #4a4a4a;
}

.keywords-label {
  font-weight: 700;
}

.keywords-value {
  font-weight: 400;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Autores */
.paper-authors {
  margin-bottom: var(--ojs-spacing-lg);
}

.authors-title {
  margin: var(--ojs-spacing-xl) 0 var(--ojs-spacing-md) 0;
}

.authors-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--ojs-spacing-md);
}

.author-item {
  background: var(--ojs-bg-primary);
  border: 1px solid var(--ojs-border-primary);
  border-radius: var(--ojs-radius-md);
  padding: var(--ojs-spacing-md);
  transition: all var(--ojs-transition-normal);
}

.author-item:hover {
  box-shadow: var(--ojs-shadow-md);
  transform: translateY(-1px);
}

.author-name {
  font-weight: var(--ojs-font-weight-semibold);
  color: var(--ojs-text-primary);
  margin-bottom: var(--ojs-spacing-sm);
}

.author-affiliation {
  color: var(--ojs-text-tertiary);
  font-size: var(--ojs-font-size-sm);
  margin-bottom: var(--ojs-spacing-xs);
}

.author-email {
  font-size: var(--ojs-font-size-sm);
}

.author-email a {
  color: var(--ojs-primary);
  text-decoration: none;
}

.author-email a:hover {
  text-decoration: underline;
}

.author-orcid {
  font-size: var(--ojs-font-size-sm);
  margin-top: var(--ojs-spacing-xs);
}

.author-orcid a {
  color: var(--ojs-orcid);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--ojs-spacing-xs);
}

.author-orcid a:hover {
  text-decoration: underline;
}

.orcid-icon {
  background: var(--ojs-orcid);
  color: var(--ojs-bg-primary);
  padding: var(--ojs-spacing-xs) var(--ojs-spacing-sm);
  border-radius: var(--ojs-radius-sm);
  font-size: var(--ojs-font-size-xs);
  font-weight: var(--ojs-font-weight-semibold);
}

/* Metadados do artigo */
.paper-metadata {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--ojs-spacing-md);
  padding: var(--ojs-spacing-md);
  background: var(--ojs-bg-primary);
  border-radius: var(--ojs-radius-md);
  border: 1px solid var(--ojs-border-primary);
}

.publication-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ojs-spacing-sm);
  margin-bottom: var(--ojs-spacing-md);
}

.publication-info span {
  background: var(--ojs-border-primary);
  color: var(--ojs-text-secondary);
  padding: var(--ojs-spacing-xs) var(--ojs-spacing-sm);
  border-radius: var(--ojs-radius-full);
  font-size: var(--ojs-font-size-sm);
  font-weight: var(--ojs-font-weight-medium);
}

.publication-dates {
  display: flex;
  flex-direction: column;
  gap: var(--ojs-spacing-sm);
}

.published-date,
.submitted-date {
  display: flex;
  align-items: center;
  gap: var(--ojs-spacing-sm);
}

.date-label {
  font-weight: var(--ojs-font-weight-semibold);
  color: var(--ojs-text-secondary);
  font-size: var(--ojs-font-size-sm);
}

.date-value {
  color: var(--ojs-text-tertiary);
  font-size: var(--ojs-font-size-sm);
}

.doi-info,
.pages-info,
.section-info,
.language-info,
.copyright-info,
.license-info {
  display: flex;
  align-items: center;
  gap: var(--ojs-spacing-sm);
  padding: var(--ojs-spacing-sm);
  background: var(--ojs-bg-light);
  border-radius: var(--ojs-radius-sm);
}

.subjects-info {
  padding: var(--ojs-spacing-sm);
  background: var(--ojs-bg-light);
  border-radius: var(--ojs-radius-sm);
}

.subjects-label {
  font-weight: var(--ojs-font-weight-semibold);
  color: var(--ojs-text-secondary);
  font-size: var(--ojs-font-size-sm);
  margin-bottom: var(--ojs-spacing-sm);
  display: block;
}

.subjects-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ojs-spacing-xs);
}

.subject-code {
  background: var(--ojs-secondary-light);
  color: var(--ojs-secondary);
  padding: var(--ojs-spacing-xs) var(--ojs-spacing-sm);
  border-radius: var(--ojs-radius-sm);
  font-size: var(--ojs-font-size-xs);
  font-weight: var(--ojs-font-weight-medium);
  font-family: monospace;
}

.doi-label,
.pages-label,
.section-label,
.language-label,
.copyright-label,
.license-label {
  font-weight: var(--ojs-font-weight-semibold);
  color: var(--ojs-text-secondary);
  font-size: var(--ojs-font-size-sm);
}

.doi-link {
  text-decoration: none;
  font-family: monospace;
  font-size: var(--ojs-font-size-xs);
}

.doi-link:hover {
  text-decoration: underline;
}

.pages-value,
.section-value,
.language-value,
.copyright-value {
  color: var(--ojs-text-tertiary);
  font-size: var(--ojs-font-size-sm);
}

.license-link {
  color: var(--ojs-primary);
  text-decoration: none;
  font-weight: var(--ojs-font-weight-medium);
}

.license-link:hover {
  text-decoration: underline;
}

/* Section Headings */
.section-heading {
  margin: var(--ojs-spacing-xl) 0 var(--ojs-spacing-md) 0;
  font-size: 1.5rem;
  font-weight: 700;
}

/* Resumo */
.paper-abstract {
  padding: 0;
  margin-bottom: var(--ojs-spacing-xl);
}

.abstract-content {
  line-height: 1.6;
  color: #4a4a4a;
  font-size: 1rem;
  text-align: justify;
}

.abstract-content p {
  margin: 0;
  text-align: justify;
}

.abstract-content p:last-child {
  margin-bottom: 0;
}

.abstract-content div {
  text-align: justify;
}

/* Palavras-chave */
.paper-keywords {
  padding: var(--ojs-spacing-xl);
  border-bottom: 1px solid var(--ojs-border-primary);
}

.keywords-title {
  margin: 0 0 var(--ojs-spacing-md) 0;
  font-size: var(--ojs-font-size-2xl);
  font-weight: var(--ojs-font-weight-semibold);
  color: var(--ojs-text-primary);
}

.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ojs-spacing-sm);
}

.keyword-tag {
  background: var(--ojs-secondary-light);
  color: var(--ojs-secondary);
  padding: var(--ojs-spacing-sm) var(--ojs-spacing-sm);
  border-radius: var(--ojs-radius-full);
  font-size: var(--ojs-font-size-sm);
  font-weight: var(--ojs-font-weight-medium);
  transition: all var(--ojs-transition-normal);
}

.keyword-tag:hover {
  background: var(--ojs-secondary);
  color: var(--ojs-bg-primary);
  transform: translateY(-1px);
}

/* How to Cite */
.paper-how-to-cite {
  margin-bottom: var(--ojs-spacing-xl);
}

.how-to-cite-content {
  line-height: 1.6;
  color: #4a4a4a;
  font-size: 1rem;
}

.how-to-cite-content p {
  margin: 0 0 var(--ojs-spacing-sm) 0;
}

.doi-link-wrapper {
  margin-top: var(--ojs-spacing-sm);
}

.doi-link-wrapper .doi-link {
  text-decoration: none;
  font-size: 0.875rem;
}

.doi-link-wrapper .doi-link:hover {
  text-decoration: underline;
}

/* Citações */
.paper-citations {
  margin-bottom: var(--ojs-spacing-xl);
}

.citations-list {
  counter-reset: citation-counter;
}

.citation-item {
  counter-increment: citation-counter;
  margin-bottom: var(--ojs-spacing-md);
  padding-left: var(--ojs-spacing-xl);
  position: relative;
  line-height: var(--ojs-line-height-relaxed);
  color: var(--ojs-text-secondary);
}

.citation-item::before {
  content: "[" counter(citation-counter) "]";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: var(--ojs-font-weight-semibold);
  color: var(--ojs-primary);
}

.citation-item:last-child {
  margin-bottom: 0;
}

/* Ações */
.paper-actions {
  padding: var(--ojs-spacing-xl);
  text-align: center;
  background: var(--ojs-bg-secondary);
  display: flex;
  gap: var(--ojs-spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--ojs-spacing-sm) var(--ojs-spacing-lg);
  border: 1px solid transparent;
  border-radius: var(--ojs-radius-md);
  font-size: var(--ojs-font-size-base);
  font-weight: var(--ojs-font-weight-semibold);
  text-decoration: none;
  transition: all var(--ojs-transition-normal);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--ojs-primary);
  color: var(--ojs-bg-primary);
  border-color: var(--ojs-primary);
}

.btn-primary:hover {
  background-color: var(--ojs-primary-hover);
  border-color: var(--ojs-primary-hover);
  color: var(--ojs-bg-primary);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--ojs-shadow-lg);
}

.btn-secondary {
  background-color: var(--ojs-text-tertiary);
  color: var(--ojs-bg-primary);
  border-color: var(--ojs-text-tertiary);
}

.btn-secondary:hover {
  background-color: var(--ojs-text-secondary);
  border-color: var(--ojs-text-secondary);
  color: var(--ojs-bg-primary);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--ojs-shadow-lg);
}

.pdf-icon {
  margin-right: var(--ojs-spacing-sm);
  font-size: var(--ojs-font-size-base);
}

/* Estado quando não há artigo */
.no-article {
  text-align: center;
  padding: var(--ojs-spacing-2xl);
  color: var(--ojs-text-tertiary);
  background: var(--ojs-bg-quaternary);
  border: 1px solid var(--ojs-border-primary);
  border-radius: var(--ojs-radius-lg);
}

.no-article p {
  margin: 0;
  font-size: var(--ojs-font-size-lg);
}

/* Responsividade */
@media (max-width: 768px) {
  .paper-header {
    padding: var(--ojs-spacing-lg);
  }
  
  .paper-title {
    font-size: var(--ojs-font-size-2xl);
  }
  
  .authors-list {
    grid-template-columns: 1fr;
  }
  
  .paper-metadata {
    grid-template-columns: 1fr;
  }
  
  .publication-info {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .paper-abstract,
  .paper-keywords,
  .paper-actions {
    padding: var(--ojs-spacing-lg);
  }
  
  .keywords-list {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .paper-header {
    padding: var(--ojs-spacing-md);
  }
  
  .paper-title {
    font-size: var(--ojs-font-size-xl);
  }
  
  .paper-abstract,
  .paper-keywords,
  .paper-actions {
    padding: var(--ojs-spacing-md);
  }
  
  .paper-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    padding: var(--ojs-spacing-md);
  }
}

/* Melhorias para acessibilidade */
.paper-title a:focus,
.doi-link:focus,
.btn:focus {
  outline: var(--ojs-focus-ring);
  outline-offset: var(--ojs-focus-offset);
  border-radius: var(--ojs-radius-sm);
}

/* Animações suaves */
.paper-detail {
  animation: ojsFadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Estilos para impressão */
@media print {
  .paper-detail {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  .paper-actions {
    display: none;
  }
  
  .btn {
    display: none;
  }
}