/* Estilos para as bolhas de conversa do chat */
.chat-message {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  max-width: 90%;
  animation: fadeIn 0.3s ease;
  box-sizing: border-box; 
}
/* Adicionar espaço no topo da primeira mensagem para não ficar atrás do header */
.chat-message:first-child {
  margin-top: 80px;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.user-message {
  margin-left: auto;
  align-items: flex-end;
}
.llm-message {
  margin-right: 0;
  align-items: flex-start;
  max-width: 100%;
  width: 100%;
}
.message-content {
  padding: 12px 16px;
  border-radius: 18px;
  position: relative;
  word-break: break-word;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  max-width: 100%;
  min-width: 0;
}
.user-message .message-content {
  background-color: var(--color-accent-primary);
  color: white;
  border-radius: 20px 20px 4px 20px;
}
.llm-message .message-content {
  background-color: transparent;
  border: none;
  color: var(--color-text-primary);
  border-radius: 0;
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
  white-space: normal;
  width: 100%;
  box-sizing: border-box;
}
/* Light theme — LLM message (no bubble) */
.light-theme .llm-message .message-content {
  background-color: transparent;
  border: none;
  color: #1a1a2e;
}
/* --- Estilos para Títulos com Espaçamento Reduzido --- */
.llm-message h1, .llm-message h2, .llm-message h3, .llm-message h4, .llm-message h5, .llm-message h6 {
    line-height: 1.3;
    font-weight: 600;
    color: inherit; /* Herdar a cor do container pai */
}
.llm-message h1:first-child,
.llm-message h2:first-child,
.llm-message h3:first-child,
.llm-message h4:first-child,
.llm-message h5:first-child,
.llm-message h6:first-child {
    margin-top: 0 !important;
}
.llm-message h1 {
    font-size: 2em;
    margin-top: 1.5em;
    margin-bottom: 0.6em;
}
.llm-message h2 {
    font-size: 1.75em;
    margin-top: 1.3em;
    margin-bottom: 0.5em;
}
.llm-message h3 {
    font-size: 1.5em;
    margin-top: 1.1em;
    margin-bottom: 0.5em;
}
.llm-message h4, .llm-message h5, .llm-message h6 {
    margin-top: 1.1em;
    margin-bottom: 0.5em;
}
.llm-message table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1em;
    margin-bottom: 1em;
    border: 1px solid #000;
}
.llm-message th, .llm-message td {
    border: 1px solid #000;
    padding: 12px 15px;
    text-align: left;
}
.llm-message th {
    background-color: #2d3748d9;
    font-weight: bold;
    color: #ffffff;
}
[data-theme="dark"] .llm-message table,
body:not(.light-theme) .llm-message table {
    border-color: #30363d;
}

[data-theme="dark"] .llm-message th,
body:not(.light-theme) .llm-message th {
    background-color: #21262d; /* Fundo escuro para o cabeçalho */
    color: #c9d1d9; /* Texto claro */
    border-color: #30363d;     /* Borda mais suave */
}

[data-theme="dark"] .llm-message td,
body:not(.light-theme) .llm-message td {
    border-color: #30363d;
}

.message-content p {
  margin-top: 0;
  margin-bottom: 0.85em;
}
.message-content ul,
.message-content ol {
  margin-top: 0;
  margin-bottom: 0.85em;
  padding-left: 1.5em;
}
.message-content li {
  margin-top: 0;
  margin-bottom: 0.5em;
}
.message-content li:last-child {
  margin-bottom: 0;
}
.message-content li p {
  margin-top: 0;
  margin-bottom: 0.35em;
}
.message-content li p:last-child {
  margin-bottom: 0;
}
.message-content li ul,
.message-content li ol {
  margin-top: 0.35em;
  margin-bottom: 0.35em;
}
.message-content br + br {
  display: none;
}
.message-content br:has(+ ul),
.message-content br:has(+ ol) {
  display: none;
}
.message-content p:empty {
  display: none;
}
.message-timestamp {
  font-size: 12px;
  margin-top: 5px;
  color: var(--color-text-secondary);
}
/* Container para os botões de ação (copiar, feedback) */
.message-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 4px;
    margin-top: 10px;
    padding: 0;
    flex-wrap: nowrap;
}


/* -------------------------------------------
   Post-Completion Action Buttons & Navigator
   ------------------------------------------- */
.post-completion-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 8px;
}

.response-navigator {
    display: flex;
    align-items: center;
    background: var(--color-bg-tertiary);
    border-radius: 12px;
    padding: 2px 6px;
    font-size: 11px;
    color: var(--color-text-secondary);
}

.response-navigator .nav-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 2px 4px;
}

.response-navigator .nav-btn:hover:not(:disabled) {
    color: var(--color-text-primary);
}

.response-navigator .nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.response-navigator .nav-counter {
    margin: 0 4px;
    font-weight: 500;
}

/* -------------------------------------------
   Live Code Streaming Placeholder
   ------------------------------------------- */
.artifact-streaming-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    margin: 12px 0;
    border: 1px dashed var(--color-border);
}

.artifact-streaming-placeholder i {
    color: var(--color-accent-primary);
}
.message-actions .streaming-status {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-right: 6px;
}
.llm-message.is-streaming .message-actions .streaming-status {
  display: inline-flex;
}
.llm-message.is-streaming .message-actions .copy-button,
.llm-message.is-streaming .message-actions .share-message-button {
  display: none !important;
}
.message-actions .streaming-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-primary);
}
.message-feedback {
    display: flex;
    gap: 4px;
}
/* Estilos para botões dentro de message-actions */
.message-actions .action-btn,
.message-actions .copy-button,
.message-actions .share-message-button,
.message-actions .feedback-button,
.post-completion-group .action-btn {
    background: transparent !important;
    border: none !important;
    color: var(--color-text-secondary) !important;
    padding: 4px !important;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
    position: relative !important; 
    top: auto !important;
    right: auto !important;
    box-shadow: none !important;
}
.message-actions .action-btn:hover,
.message-actions .copy-button:hover,
.message-actions .share-message-button:hover,
.message-actions .feedback-button:hover {
    background: var(--color-bg-tertiary) !important;
    color: var(--color-text-primary) !important;
}
/* Estado de feedback visual após copiar */
.message-actions .copy-button.copied {
    color: var(--color-accent-primary) !important;
}
.message-actions .action-btn i,
.message-actions .copy-button i,
.message-actions .share-message-button i,
.message-actions .feedback-button i {
    font-size: 14px !important;
    pointer-events: none;
}
.feedback-button.liked i {
    color: var(--color-accent-primary);
    font-weight: bold;
}
.feedback-button.disliked i {
    color: var(--color-accent-danger);
    font-weight: bold;
}
/* -------------------------------------------
   Edição de mensagem do usuário
   ------------------------------------------- */
.message-actions .edit-message-button {
    background: transparent !important;
    border: none !important;
    color: var(--color-text-secondary) !important;
    padding: 4px !important;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
}
.message-actions .edit-message-button:hover {
    background: var(--color-bg-tertiary) !important;
    color: var(--color-text-primary) !important;
}
.message-actions .edit-message-button i {
    font-size: 14px !important;
    pointer-events: none;
}

.message-sibling-nav {
    display: flex;
    align-items: center;
    background: var(--color-bg-tertiary);
    border-radius: 12px;
    padding: 2px 6px;
    font-size: 11px;
    color: var(--color-text-secondary);
}
.message-sibling-nav button {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: not-allowed;
    padding: 2px 4px;
    opacity: 0.5;
}
.message-sibling-nav .sibling-nav-counter {
    margin: 0 4px;
    font-weight: 500;
}

/* Estilo para indicador de digitação */
.typing-indicator {
  display: inline-block;
  font-weight: bold;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.word-fade {
  opacity: 0;
  animation: wordFadeIn 0.15s ease-out forwards;
}
@keyframes wordFadeIn {
  0% { opacity: 0; transform: translateY(2px); }
  100% { opacity: 1; transform: translateY(0); }
}
/* Estilo para mensagens de erro */
.error-message .message-content {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--color-accent-danger);
  border: 1px solid var(--color-accent-danger);
}
.error-text {
  color: var(--color-accent-danger);
  font-weight: bold;
}
/* Estilo para código formatado dentro das mensagens */
.message-content pre {
  background-color: #0f1219;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 12px 0;
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
}
/* Quebra de linha para código dentro de pre */
.message-content pre code {
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-word;
}
/* Remove !important from general code blocks to avoid conflicts */
.message-content code:not(pre code) {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--color-accent-primary);
  border: 1px solid rgba(0, 0, 0, 0.1);
}
/* --- Attachment Styling (Issue #6) --- */
.attachment-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    width: 100%;
}

.user-message .attachment-container {
    justify-content: flex-end;
}

.llm-message .attachment-container {
    justify-content: flex-start;
}

.attached-file {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9em;
    max-width: 100%;
    transition: background-color 0.2s;
}

.user-message .attached-file {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.llm-message .attached-file {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.light-theme .user-message .attached-file {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.attached-file i {
    font-size: 1.25em;
}

.attached-file .file-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
    font-weight: 500;
}

/* Specific icon colors */
.attached-file .fa-github {
    opacity: 0.9;
}

/* Keep icon colors within theme tokens (no hard-coded colors) */
.attached-file .fa-folder,
.attached-file .fa-folder-open {
  color: var(--color-accent-light);
}

/* --- System messages (inline, info/error) --- */
.system-message {
  align-self: center;
  width: 100%;
  max-width: 90%;
  margin-bottom: 15px;
}

.system-message .message-content {
  background-color: transparent;
  border: 1px solid var(--color-border);
  font-size: 0.9em;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: none;
}

/* Info */
.system-message.info .message-content {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-accent-primary);
  color: var(--color-text-primary);
}

.system-message.info i {
  color: var(--color-accent-primary);
}

/* Error */
.system-message.error .message-content {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-accent-danger);
  color: var(--color-text-primary);
}

.system-message.error i {
  color: var(--color-accent-danger);
}
/* Dark mode adjustments for code */
[data-theme="dark"] .message-content pre {
  background-color: #2d3748;
  border-color: #4a5568;
  color: #e2e8f0;
}
[data-theme="dark"] .message-content code:not(pre code) {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #64ffda;
}

/* Light mode adjustments for code */
.light-theme .message-content pre {
  background-color: var(--color-bg-code, #f6f8fa);
  border-color: var(--color-border);
  color: #24292e;
}
.light-theme .message-content code:not(pre code) {
  background-color: rgba(0, 0, 0, 0.05);
  border-color: var(--color-border);
  color: var(--color-accent-primary);
}
/* Estilo da scrollbar para WebKit (Chrome, Safari, Edge) */
#chat-history::-webkit-scrollbar {
  width: 8px;
}
#chat-history::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
#chat-history::-webkit-scrollbar-thumb {
  background: #1f3342;
  border-radius: 4px;
}
#chat-history::-webkit-scrollbar-thumb:hover {
  background: #008da3;
}
/* Adicionar ajuste para responsividade em telas pequenas */
@media (max-width: 600px) {
  .chat-message {
    max-width: 95%;
  }
}
/* Add padding to bottom of history when not empty to avoid message overlap */
#chat-history:not(.empty) {
  padding-bottom: 120px;
}
/* Estilos para blocos de código com botão de copiar */
.code-container {
    position: relative;
    margin: 1rem 0;
}
.code-container pre {
    margin: 0;
    padding: 1rem;
    background-color: #0f1219;
    border-radius: var(--border-radius-md);
    overflow-x: auto;
    position: relative;
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}
code:not(pre code) {
    background-color: var(--color-bg-code, rgba(0, 0, 0, 0.05));
    padding: 0.2rem 0.4rem;
    border-radius: var(--border-radius-sm);
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.9em;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}
/* Melhorar formatação de equações LaTeX */
.katex-display {
    margin: 1.5rem 0;
    text-align: center;
    overflow-x: auto;
}
.katex {
    font-size: 1.1em !important;
    color: var(--color-text-primary) !important;
}
/* Equações inline */
.katex-html {
    display: inline-block;
    vertical-align: middle;
}
/* Contêiner para equações que podem ser muito largas */
.message-content .katex-display {
    max-width: 100%;
    overflow-x: auto;
    padding: 0.5rem 0;
}
/* Melhorar legibilidade das equações em dark mode */
[data-theme="dark"] .katex {
    color: #e2e8f0 !important;
}
[data-theme="dark"] .katex-display {
    background-color: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    padding: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
/* Dark mode adjustments for code */
[data-theme="dark"] .code-container pre {
    background-color: #2d3748;
    border-color: #4a5568;
}
[data-theme="dark"] code:not(pre code) {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #4a5568;
}

/* Light mode adjustments for code */
.light-theme .code-container pre {
    background-color: var(--color-bg-code, #f6f8fa);
    border-color: var(--color-border);
    color: #24292e;
}
.light-theme code:not(pre code) {
    background-color: rgba(0, 0, 0, 0.05);
    border-color: var(--color-border);
    color: var(--color-accent-primary);
}

/* Dark mode adjustments for LLM message text */
body:not(.light-theme) .llm-message .message-content {
  color: var(--color-text-primary);
}
[data-theme="dark"] .llm-message .message-content {
  color: var(--color-text-primary);
}
/* Regras principais para botões de copiar */
.copy-button {
    /* Garantir que sempre seja visível */
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    /* Posicionamento e z-index */
    position: relative !important;
    z-index: 1 !important; 
    /* Dimensões mínimas */
    min-width: 28px !important;
    min-height: 28px !important;
    /* Flexbox para centralizar conteúdo */
    align-items: center !important;
    justify-content: center !important;
    /* Espaçamento interno */
    padding: 6px 10px !important;
    /* Estilos visuais */
    background: var(--color-surface-secondary, #f8f9fa) !important;
    border: 1px solid var(--color-border, #dee2e6) !important;
    border-radius: 6px !important;
    /* Texto e cursor */
    color: var(--color-text-secondary, #6c757d) !important;
    font-size: 12px !important;
    cursor: pointer !important;
    /* Transições */
    transition: all 0.2s ease !important;
    /* Garantir que não seja afetado por outros estilos */
    text-decoration: none !important;
    outline: none !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
    /* Flexbox no container pai */
    flex-shrink: 0 !important;
    /* Evitar quebra de linha */
    white-space: nowrap !important;
}
.copy-button:hover {
    background: var(--color-accent-primary, #007bff) !important;
    color: white !important;
    border-color: var(--color-accent-primary, #007bff) !important;
    transform: scale(1.05) !important;
}
.copy-button:active {
    transform: scale(0.95) !important;
}
.copy-button i {
    pointer-events: none !important;
    font-size: 12px !important;
}
/* Botões de copiar no header das mensagens */
.message-header .copy-button {
    margin-left: auto !important;
    order: 999 !important;
}
/* Botões de copiar em blocos de código */
.code-container .copy-button {
    position: absolute !important;
    top: 8px !important;
    right: 8px !important;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(4px) !important;
}
/* Tema escuro para botões de copiar */
[data-theme="dark"] .copy-button {
    background: var(--color-surface-secondary, #343a40) !important;
    border-color: var(--color-border, #495057) !important;
    color: var(--color-text-secondary, #adb5bd) !important;
}
[data-theme="dark"] .copy-button:hover {
    background: var(--color-accent-primary, #0d6efd) !important;
    color: white !important;
}
[data-theme="dark"] .code-container .copy-button {
    background: rgba(52, 58, 64, 0.95) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}
/* Garantir que o header da mensagem seja sempre visível */
.message-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 100 !important;
    margin-bottom: 8px !important;
}
/* Estilo específico para mensagens LLM */
.llm-message .message-header {
    padding: 4px 0 !important;
    border-bottom: none !important;
    background: transparent !important;
    border-radius: 0 !important;
}
[data-theme="dark"] .llm-message .message-header {
    background: transparent !important;
    border-color: transparent !important;
}
/* Garantir que os ícones dos botões de copiar sejam visíveis */
.copy-button .fa-copy,
.copy-button .fa-check {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* --- Sapiens Thinking Indicator (Pulsing Dots) --- */
#sapiens-thinking-indicator {
    margin-right: auto;
    align-items: flex-start;
}

#sapiens-thinking-indicator .thinking-dots {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 0;
}

#sapiens-thinking-indicator .thinking-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-accent-primary);
    animation: thinkingPulse 1.4s ease-in-out infinite;
}

#sapiens-thinking-indicator .thinking-dot:nth-child(2) {
    animation-delay: 0.2s;
}

#sapiens-thinking-indicator .thinking-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes thinkingPulse {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* --- Artifact Streaming Placeholder Styles --- */
.artifact-streaming-placeholder {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    margin: 10px 0;
    width: 100%;
    box-sizing: border-box;
}

.artifact-streaming-placeholder span {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.artifact-streaming-placeholder i {
    color: var(--color-accent-primary);
}

.expand-live-code-btn {
    margin-left: auto;
    background: rgba(0, 141, 163, 0.1);
    border: 1px solid var(--color-accent-primary);
    color: var(--color-accent-primary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 600;
    transition: all 0.2s ease;
}

.expand-live-code-btn:hover {
    background: var(--color-accent-primary);
    color: white;
}