:root {
    /* Tipografia e spacing fluidos */
    --fs-base: clamp(14px, 1.4vw, 16px);
    --fs-sm: clamp(12px, 1.2vw, 14px);
    --fs-lg: clamp(16px, 1.6vw, 20px);
    --radius: 8px;
    --space-1: clamp(0.5rem, 1.5vw, 0.75rem);
    --space-2: clamp(0.75rem, 2vw, 1rem);
    --space-3: clamp(1rem, 3vw, 1.5rem);
  }
  
  html { font-size: var(--fs-base); }
  
  /* --- Página de Artigos --- */
  #articles-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-3);
  }
  
  .article-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-3);
    box-shadow: var(--box-shadow);
  }
  
  .article-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: 0.5rem;
  }
  
  .article-header h2 {
    font-size: clamp(1rem, 1.8vw, 1.3rem);
    margin: 0;
    line-height: 1.2;
  }
  
  .article-meta {
    font-size: var(--fs-sm);
    color: var(--light-text);
    margin-bottom: 1rem;
  }
  
  .article-snippet {
    color: var(--dark-text);
    line-height: 1.65;
  }
  
  /* --- Ações --- */
  .article-actions {
    margin-top: var(--space-3);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .article-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s, transform .08s;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  .article-actions .btn:active { transform: scale(0.98); }
  
  /* Botões de ação */
  .btn-approve { background-color: #28a745; }
  .btn-approve:hover { background-color: #218838; }
  
  .btn-reject { background-color: #dc3545; }
  .btn-reject:hover { background-color: #c82333; }
  
  .btn-delete { background-color: #6c757d; }
  .btn-delete:hover { background-color: #5a6268; }
  
  /* --- Tags de Status --- */
  .status-tag {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
  }
  .status-pending  { background-color: #fff3cd; color: #856404; }
  .status-approved { background-color: #d4edda; color: #155724; }
  .status-rejected { background-color: #f8d7da; color: #721c24; }
  
  .status-processing {
    background-color: #e6f7ff;
    color: #1890ff;
    border: 1px solid #91d5ff;
  }
  
  /* --- Modal Visualização --- */
  #view-modal-body {
    white-space: pre-wrap;
    line-height: 1.7;
    max-height: 70vh;
    overflow-y: auto;
  }
  
  /* --- Modal Edição --- */
  #edit-article-modal .modal-content,
#manual-editor-modal .modal-content {
    width: min(750px, 95vw);
    max-width: 95vw;
    display: flex;
    flex-direction: column;
    height: 80vh; 
    max-height: 85vh;
}

#edit-article-modal .modal-body,
#manual-editor-modal .modal-body {
    flex-grow: 1; 
    min-height: 0; 
    display: flex;
    flex-direction: column;
}

#edit-article-modal .form-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.4rem;
}

#edit-article-modal label {
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--dark-text);
}

#edit-article-modal input[type="text"],
#edit-article-modal textarea {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#edit-article-modal input[type="text"]:focus,
#edit-article-modal textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(26, 44, 78, 0.1);
}

#edit-article-modal .modal-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

  
  /* =========================================================
   MODAL FULLSCREEN - CÓDIGO JÁ CORRIGIDO
========================================================= */
.expand-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  margin-right: 8px;
  color: #444;
  transition: color 0.2s;
}
.expand-btn:hover { color: #000; }

.modal-overlay.fullscreen {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  background: rgba(0,0,0,0.7);
  z-index: 9999;
}

/* Regra específica para o conteúdo do modal em tela cheia */
.modal-overlay.fullscreen .modal-content {
  width: 95vw !important;
  height: 95dvh !important;
  max-width: none !important;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Garante que o corpo do modal (container do texto) cresça em tela cheia */
.modal-overlay.fullscreen .modal-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Regra genérica para fazer QUALQUER textarea crescer e preencher o espaço vertical */
.modal-overlay.fullscreen .modal-body textarea {
  flex-grow: 1;
  height: 100%;
  min-height: initial;
  resize: none;
}


/* --- Estilos Gerais para os campos de Título e Conteúdo --- */
#manual-title,
#edit-title,
#create-title {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
}

#manual-content-editor,
#edit-content,
#create-content {
  /* [ALTERADO] A altura agora é controlada pelo flex-grow do container pai */
  flex-grow: 1; /* Faz o textarea esticar dentro do .modal-body */
  line-height: 1.6;
  resize: vertical;
  font-family: 'Poppins', sans-serif;
  min-height: 600px; 
}
  
  /* =========================================================
     MODAL DA IA (CHAT) — ALTURA FLUIDA
  ========================================================= */
  #ai-modal-content {
    max-width: 700px;
    width: min(95vw, 700px);
    height: min(80dvh, 900px); 
    display: flex;
    flex-direction: column;
  }
  
  #ai-chat-log {
    flex: 1;
    min-height: 0;     
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .chat-bubble {
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 80%;
    line-height: 1.5;
    word-wrap: break-word;
  }
  
  .ai-message {
    background-color: #f1f3f4;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
  }
  
  .user-message {
    background-color: #d1e3ff;
    color: #004085;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
  }
  
  .chat-input-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid #eee;
  }
  
  #ai-prompt-input {
    flex: 1;
    border: none;
    resize: none;      
    padding: 10px;
    font-size: 1rem;
    font-family: inherit;
    background-color: transparent;
    max-height: 35dvh;  
    overflow-y: auto;
  }
  #ai-prompt-input:focus { outline: none; }
  
  .chat-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: #5f6368;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s, transform .08s;
  }
  .chat-icon-btn:hover { background-color: #f1f3f4; }
  .chat-icon-btn:active { transform: scale(0.96); }
  
  /* =========================================================
     RESPONSIVIDADE
  ========================================================= */
  
/* < 360px: botões maiores, bolhas de chat max-width 100% */
  @media (max-width: 360px) {
    .article-actions .btn {
      width: 100%;
      justify-content: center;
      font-size: 0.95rem;
      padding: 0.65rem 0.9rem;
    }
    .chat-bubble { max-width: 100%; }
  }
  
  /* >= 768px: melhora header e grid */
  @media (min-width: 768px) {
    .article-header {
      flex-direction: row;
      align-items: flex-start;
    }
    #articles-list-container {
      gap: 1.25rem;
    }
  }
  
  /* >= 992px: 2–3 colunas com cards mais “arejados” */
  @media (min-width: 992px) {
    #articles-list-container {
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 1.5rem;
    }
    .article-card { padding: 1.25rem 1.5rem; }
  }
  
  /* >= 1200px: mais colunas quando couber, mantendo legibilidade */
  @media (min-width: 1200px) {
    #articles-list-container {
      grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    }
  }
  
  /* Preferência do usuário por menos animação */
  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
  }
  

  /* ===== Modal Importar Artigo: refinamentos visuais ===== */
#import-article-modal .modal-content {
  width: min(95vw, 520px);
}

#import-article-modal .modal-subtitle {
  margin: 0 var(--space-1) var(--space-2);
  color: var(--light-text);
  font-size: var(--fs-sm);
}

#import-article-modal .modal-body .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: var(--space-2);
}

#import-article-modal label {
  font-weight: 600;
  color: var(--dark-text);
}

/* Campo "Digite o título aqui" — altura, padding e placeholder */
#import-article-modal input[type="text"]#import-title {
  width: 100%;
  box-sizing: border-box;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--white);
  color: var(--dark-text);
  font-size: 1rem;
  line-height: 1.2;
  transition: border-color .2s, box-shadow .2s;
}

#import-article-modal input[type="text"]#import-title::placeholder {
  color: #9aa0a6;          /* mais suave */
}

#import-article-modal input[type="text"]#import-title:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(26,44,78,0.10);
}

/* Campo de arquivo — ocupa toda a largura e com botão estilizado */
#import-article-modal input[type="file"]#import-file {
  width: 100%;
  box-sizing: border-box;
  padding: 0.55rem;              /* altura consistente com o texto */
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--white);
  font-size: 0.95rem;
  color: var(--dark-text);
}

/* Botão "Escolher arquivo" (Chrome/Edge/Opera/Firefox recentes) */
#import-article-modal input[type="file"]#import-file::file-selector-button {
  margin-right: 0.75rem;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--primary-blue);
  color: #fff;
  cursor: pointer;
  transition: filter .15s, transform .08s;
}

#import-article-modal input[type="file"]#import-file:hover::file-selector-button {
  filter: brightness(0.95);
}

#import-article-modal input[type="file"]#import-file:active::file-selector-button {
  transform: scale(0.98);
}

/* Foco acessível no campo de arquivo inteiro */
#import-article-modal input[type="file"]#import-file:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(26,44,78,0.10);
}

/* Espaçamento do rodapé para não colar nos botões */
#import-article-modal .modal-footer {
  margin-top: var(--space-2);
}


.ai-indicator {
  color: var(--primary);
  font-size: 0.9em;
  margin-right: 8px;
  opacity: 0.8;
}

/* =========================================================
      SELEÇÃO EM MASSA + ACTION BAR
  ========================================================= */

/* Estilo para a coluna do checkbox em cada card */
.article-selection{ 
  display:flex; 
  justify-content:center; 
  align-items:center; 
  padding-top: 5px; /* Ajuste visual para alinhar com o topo do card */
}

/* Estilo para o checkbox */
.article-checkbox{ 
  width: 18px; 
  height: 18px; 
  cursor: pointer; 
}

/* Container da barra de ações (Fixo na parte inferior) */
.action-bar-container{
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: -100px; width: auto; max-width: calc(100% - 2rem);
  background: #2c3e50; color:#fff; padding: 1rem 1.5rem;
  border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,.2);
  z-index: 1000; transition: bottom .3s ease-in-out;
}
.action-bar-container.visible{ 
  bottom: 20px; 
}
.action-bar-content{ 
  display: flex; 
  align-items: center; 
  gap: 1.5rem; 
  flex-wrap: wrap; 
}
#selection-count{ 
  font-weight: 500; 
  white-space: nowrap; 
}
.action-bar-content .btn{ 
  padding: .6rem 1rem; 
  font-size: .9rem; 
}

@media (max-width: 540px){
  .action-bar-container{ left: 1rem; right: 1rem; transform: none; width: auto; }
  .action-bar-container.visible{ bottom: 12px; }
  .action-bar-content{ gap: .75rem; }
}

/* AJUSTE VISUAL DO CARD: espaçamento maior entre checkbox e conteúdo */
.article-card {
  display: flex; 
  gap: 10px;
  padding: 1rem;
  border: 1px solid var(--border); 
  border-radius: 8px;
  background: var(--card); 
}
.article-content-wrapper {
  flex-grow: 1;
}

.article-list-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 0 10px 0;
}