:root {
  --bg-root: #000000;
  --bg-sidebar: #0a0a0a;
  --bg-card: #111111;
  --bg-hover: #1a1a1a;
  --border: #222222;
  --border-hover: #333333;
  --text-primary: #ededed;
  --text-secondary: #888888;
  --accent: #ffffff;
  --accent-dim: #444444;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 6px;
  --header-height: 48px;
  --status-bar-height: 28px;
}

/* Esconde elementos temporários criados pelo Mermaid durante renderização */
[id^="mermaid-svg-"]:not(#mermaid-output *),
[id^="dmermaid-svg-"],
.mermaid-temp-container,
#d {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  visibility: hidden !important;
  height: 0 !important;
  width: 0 !important;
  overflow: hidden !important;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  outline: none;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-root);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* Layout */
.app-container {
  display: grid;
  grid-template-columns: 320px 1fr; /* Aumentado sidebar */
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-weight: 600;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
  color: var(--text-primary);
  flex-shrink: 0;
}

.brand i {
  color: var(--text-secondary);
}

/* Config Section */
.config-section {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

input[type="password"],
input[type="text"],
textarea {
  background: var(--bg-root);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 12px;
  transition: border-color 0.15s;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-dim);
}

/* Dropdown/Select Styling */
select {
  background: var(--bg-root);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

select option {
  background: #000000;
  color: var(--text-primary);
  padding: 8px;
}

select option:hover,
select option:focus,
select option:checked {
  background: #333333;
  color: var(--text-primary);
}

.file-upload-btn {
  background: var(--bg-root);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
  font-size: 12px;
}

.file-upload-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  background: var(--bg-hover);
}

.file-status {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Chat Section */
.chat-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-sidebar);
}

.chat-header {
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px; /* Mais espaço entre mensagens */
}

.chat-msg {
  font-size: 13px;
  line-height: 1.5;
  max-width: 100%;
  word-wrap: break-word;
}

.chat-msg.system {
  color: var(--text-secondary);
  font-size: 12px;
  text-align: center;
  padding: 8px;
  background: var(--bg-hover);
  border-radius: var(--radius);
}

.chat-msg.user {
  color: var(--text-primary);
  align-self: flex-end;
  background: var(--bg-hover);
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.chat-msg.ai {
  color: var(--text-secondary);
  align-self: flex-start;
  padding-right: 8px;
}

.chat-input-area {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  background: var(--bg-sidebar);
  flex-shrink: 0;
}

#chatInput {
  flex: 1;
  height: 42px; /* Maior altura */
  resize: none;
  line-height: 20px;
}

#sendChatBtn {
  width: 42px;
  height: 42px;
  background: var(--text-primary);
  color: var(--bg-root);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

#sendChatBtn:hover {
  opacity: 0.9;
}

/* Status Bar */
.status-bar {
  height: var(--status-bar-height);
  background: var(
    --bg-sidebar
  ); /* Mesma cor da sidebar para continuidade ou diferente? */
  background: #050505;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
  z-index: 100;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-item strong {
  color: var(--text-primary);
}

.status-item.spacer {
  flex: 1;
}

/* Main Content */
.main-content {
  background: var(--bg-root);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tabs-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  gap: 24px;
  flex-shrink: 0;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  transition: color 0.2s;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--text-primary);
}

.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--text-primary);
}

.tab-content-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: var(--bg-root);
}

.tab-pane {
  display: none;
  height: 100%;
  overflow-y: auto;
  padding: 32px;
}

.tab-pane.active {
  display: block;
}

/* Markdown Styles */
.markdown-body {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-primary);
  line-height: 1.6;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  color: var(--text-primary);
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
}

.markdown-body p {
  margin-bottom: 16px;
  color: #cccccc;
}

.markdown-body code {
  background: var(--bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.markdown-body pre {
  background: var(--bg-card);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow-x: auto;
  margin-bottom: 16px;
}

.markdown-body a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  gap: 16px;
}

.empty-state i {
  font-size: 24px;
  opacity: 0.5;
}

/* Diagram Containers */
.mermaid-container {
  display: flex;
  justify-content: center;
  padding: 24px;
  min-height: 100%;
}

#markmap-svg {
  width: 100%;
  height: 100%;
  background: var(--bg-root);
}

.excalidraw-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  color: var(--text-secondary);
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-root);
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
}

.json-preview-box {
  width: 100%;
  max-width: 500px;
  max-height: 200px;
  overflow: auto;
  background: var(--bg-card);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-family: monospace;
  font-size: 11px;
}

/* Loader */
.loader-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-primary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 5px;
  border: 2px solid var(--bg-root);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.hidden {
  display: none !important;
}

.initial-action-area {
  padding: 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-sidebar);
}

.btn-full-width {
  width: 100%;
  background: var(--text-primary);
  color: var(--bg-root);
  border: none;
  padding: 12px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.2s;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-full-width:hover {
  opacity: 0.9;
}

/* Glassmorphism Utility */
.glass {
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes popIn {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  40% {
    transform: scale(1.1);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.2);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

.animate-entry {
  animation: fadeInUp 0.5s ease-out forwards;
}

.icon-pop {
  animation: popIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.icon-pulse {
  animation: pulse-ring 2s infinite;
  border-radius: 50%;
}

.icon-float {
  animation: float 3s ease-in-out infinite;
}

/* Update Empty State for better animation support */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  gap: 24px;
  transition: all 0.3s ease;
}

.empty-state i {
  font-size: 48px; /* Larger icons */
  opacity: 0.8;
  margin-bottom: 8px;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.empty-state p {
  font-size: 14px;
  max-width: 300px;
  text-align: center;
  line-height: 1.6;
  margin: 0;
}

/* Split View Layout */
.split-view {
  display: flex;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.editor-pane {
  width: 350px; /* Largura fixa para o editor */
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg-sidebar);
  flex-shrink: 0;
}

.preview-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-root);
  overflow: hidden;
  position: relative;
}

.pane-header {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.code-editor {
  flex: 1;
  width: 100%;
  background: var(--bg-sidebar);
  color: #d4d4d4; /* Cor de código mais suave */
  border: none;
  padding: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
  resize: none;
}

.diagram-preview {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 24px 24px; /* More top padding */
  min-height: 300px; /* Altura mínima para evitar colapso durante re-render */
  height: 100%;
}

/* Enhanced Markdown Typography (Professional & Elegant) */
.markdown-body {
  max-width: 800px;
  margin: 0 auto;
  color: #e0e0e0; /* Texto levemente off-white para menos fadiga */
  line-height: 1.7; /* Melhor legibilidade */
  font-size: 15px; /* Tamanho de fonte ligeiramente maior */
  font-family: "Inter", sans-serif;
}

.markdown-body h1 {
  font-size: 2.2em;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 48px;
  margin-bottom: 24px;
  color: #ffffff;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.markdown-body h2 {
  font-size: 1.6em;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 40px;
  margin-bottom: 20px;
  color: #f0f0f0;
}

.markdown-body h3 {
  font-size: 1.3em;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 16px;
  color: #e0e0e0;
}

.markdown-body p {
  margin-bottom: 20px;
  color: #d0d0d0;
}

.markdown-body ul,
.markdown-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
  color: #d0d0d0;
}

.markdown-body li {
  margin-bottom: 8px;
}

.markdown-body blockquote {
  border-left: 4px solid var(--accent-dim);
  padding-left: 16px;
  margin-left: 0;
  margin-bottom: 24px;
  color: var(--text-secondary);
  font-style: italic;
}

.markdown-body code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9em;
  color: #ff9e64; /* Destaque sutil */
}

.markdown-body pre {
  background: #161616; /* Fundo mais escuro para blocos de código */
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow-x: auto;
  margin-bottom: 24px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.markdown-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: 13px;
}

.markdown-body a {
  color: #7aa2f7; /* Azul suave */
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.markdown-body a:hover {
  border-bottom-color: #7aa2f7;
}

/* Buttons */
.btn-small-action {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  font-weight: 600;
}

.btn-small-action:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.copy-btn {
  margin-left: auto;
}

/* Diagram Controls Position */
.diagram-controls {
  position: absolute;
  bottom: 24px;
  right: 24px;
  display: flex;
  gap: 8px;
  z-index: 10;
  background: var(--bg-card);
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-icon {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.btn-icon:hover {
  background: var(--bg-hover);
}
/* Mermaid Controls Menu */
.mermaid-controls {
  padding: 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-group label {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.control-group select {
  background: var(--bg-root);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px;
  border-radius: 4px;
  font-size: 12px;
  width: 100%;
  cursor: pointer;
}

.control-group select:focus {
  border-color: var(--accent-dim);
}

/* Zoom Controls in Preview Header */
.zoom-controls {
  display: flex;
  gap: 4px;
}

.btn-icon-dark {
  background: transparent;
  border: 1px solid #ccc;
  color: #555;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s;
}

.btn-icon-dark:hover {
  background: #e0e0e0;
  color: #000;
}

/* Diagram Preview Light Theme Override */
.diagram-preview.light-theme {
  background: #ffffff;
  color: #333;
}

/* Ensure SVG fills container for pan-zoom */
.diagram-preview svg {
  width: 100%;
  height: 100%;
  max-width: none; /* Override max-width */
}

/* Helper Buttons */
.btn-small-action {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.btn-small-action:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background: var(--bg-hover);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.diagram-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 4px;
  border-radius: 6px;
  border: 1px solid var(--border);
  z-index: 10;
}

/* Upload Buttons Row */
.upload-buttons-row {
  display: flex;
  gap: 8px;
}

.upload-buttons-row .file-upload-btn {
  flex: 1;
  padding: 10px 8px;
  font-size: 11px;
}

.upload-buttons-row .file-upload-btn i {
  margin-right: 4px;
}

.file-upload-btn.github-btn {
  border-color: #30363d;
  background: linear-gradient(180deg, #21262d 0%, #161b22 100%);
}

.file-upload-btn.github-btn:hover {
  border-color: #8b949e;
  background: linear-gradient(180deg, #30363d 0%, #21262d 100%);
}

/* GitHub Modal */
.github-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.github-modal-content {
  width: 90%;
  max-width: 450px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.github-modal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
}

.github-modal-header i {
  font-size: 20px;
  color: #8b949e;
}

.github-modal-header .btn-close {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.github-modal-header .btn-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.github-modal-body {
  padding: 20px;
}

.github-modal-body label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.github-modal-body input {
  width: 100%;
  padding: 12px;
  font-size: 13px;
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
}

.github-modal-body input:focus {
  border-color: #58a6ff;
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.github-hint {
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.github-hint i {
  color: #58a6ff;
}

.github-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-sidebar);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.github-modal-footer .btn-primary {
  background: #238636;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.github-modal-footer .btn-primary:hover {
  background: #2ea043;
}

.github-modal-footer .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Model Selector Dropdown (abre para cima) */
.model-selector-container {
  position: relative;
}

.model-dropdown {
  position: relative;
}

.model-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-root);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  min-width: 180px;
  justify-content: space-between;
}

.model-dropdown-btn:hover {
  border-color: var(--text-secondary);
  background: var(--bg-hover);
}

.model-dropdown-btn i {
  font-size: 10px;
  color: var(--text-secondary);
  transition: transform 0.2s;
}

.model-dropdown.open .model-dropdown-btn i {
  transform: rotate(180deg);
}

.model-dropdown-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  min-width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
  z-index: 1001;
  display: none;
  max-height: 350px;
  overflow-y: auto;
}

/* Sidebar dropdown abre para baixo */
.sidebar-dropdown .model-dropdown-menu {
  bottom: auto;
  top: calc(100% + 6px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.sidebar-dropdown .model-dropdown-btn {
  width: 100%;
  min-width: auto;
  padding: 10px 12px;
  font-size: 13px;
}

.model-dropdown.open .model-dropdown-menu {
  display: block;
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.model-group-label {
  padding: 8px 12px 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
}

.model-group-label:first-child {
  border-radius: 8px 8px 0 0;
}

.model-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  cursor: pointer;
  transition: all 0.15s;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.model-option:hover {
  background: var(--bg-hover);
}

.model-option:last-child {
  border-bottom: none;
  border-radius: 0 0 8px 8px;
}

.model-option.selected {
  background: rgba(255, 255, 255, 0.05);
}

.model-option.selected::before {
  content: "✓";
  color: var(--success);
  margin-right: 8px;
  font-size: 12px;
}

.model-name {
  font-size: 12px;
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
}

.model-badge {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.model-badge.high {
  background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  color: #fff;
}

.model-badge.low {
  background: linear-gradient(135deg, #0891b2 0%, #22d3ee 100%);
  color: #fff;
}

.status-item.separator {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 0 8px;
}

/* Markdown Modal */
.markdown-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.markdown-modal-content {
  width: 90%;
  max-width: 800px;
  max-height: 80vh;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
}

.markdown-modal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-sidebar);
}

.markdown-modal-header i {
  font-size: 18px;
  color: var(--purple-400);
}

.markdown-modal-header span {
  flex: 1;
  font-weight: 600;
  font-size: 16px;
}

.markdown-modal-header .btn-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  transition: all 0.15s;
}

.markdown-modal-header .btn-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.markdown-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.markdown-code {
  margin: 0;
  padding: 20px;
  background: #0d1117;
  color: #c9d1d9;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  min-height: 300px;
  max-height: 50vh;
}

.markdown-code code {
  font-family: inherit;
  color: inherit;
}

.markdown-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-sidebar);
}

.markdown-modal-footer .btn-secondary {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s;
}

.markdown-modal-footer .btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--text-secondary);
}

.markdown-modal-footer .btn-primary {
  background: linear-gradient(
    135deg,
    var(--purple-500) 0%,
    var(--purple-600) 100%
  );
  border: none;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s;
}

.markdown-modal-footer .btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* ========================================
   Language Selector (inside brand div)
   ======================================== */
.brand {
  justify-content: flex-start;
}

.language-selector {
  margin-left: auto;
  position: relative;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

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

.language-btn .fa-globe {
  font-size: 12px;
}

.language-btn .chevron {
  font-size: 8px;
  margin-left: 2px;
  transition: transform 0.2s;
}

.language-selector.open .language-btn .chevron {
  transform: rotate(180deg);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 150px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 1002;
  display: none;
  overflow: hidden;
}

.language-selector.open .language-dropdown {
  display: block;
  animation: slideDown 0.2s ease-out;
}

.language-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 12px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.language-option:hover {
  background: var(--bg-hover);
}

.language-option:last-child {
  border-bottom: none;
}

.language-option.selected {
  background: rgba(255, 255, 255, 0.05);
}

.language-option.selected::after {
  content: "✓";
  margin-left: auto;
  color: var(--success);
  font-size: 11px;
}

.language-option .flag {
  font-size: 14px;
}

/* ========================================
   Images/GIFs Input Section
   ======================================== */
.images-input-wrapper {
  display: flex;
  gap: 4px;
}

.images-input-wrapper input {
  flex: 1;
  min-width: 0;
}

.images-browse-btn,
.images-add-btn {
  width: 34px;
  height: 34px;
  background: var(--bg-root);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.images-browse-btn:hover,
.images-add-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  background: var(--bg-hover);
}

.images-add-btn {
  background: linear-gradient(180deg, #238636 0%, #1a7f37 100%);
  border-color: #238636;
  color: #ffffff;
}

.images-add-btn:hover {
  background: linear-gradient(180deg, #2ea043 0%, #238636 100%);
  border-color: #2ea043;
}

.images-hint {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.images-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
  max-height: 120px;
  overflow-y: auto;
}

.image-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
}

.image-item .image-preview {
  width: 24px;
  height: 24px;
  object-fit: cover;
  border-radius: 3px;
  background: var(--bg-hover);
}

.image-item .image-name {
  flex: 1;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-item .image-size {
  color: var(--text-secondary);
  font-size: 10px;
}

.image-item .remove-image-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.15s;
}

.image-item .remove-image-btn:hover {
  background: rgba(248, 81, 73, 0.2);
  color: #f85149;
}

/* Success color variable */
:root {
  --success: #3fb950;
}

/* Markdown Body Styles */
.markdown-body {
  overflow-x: auto;
  max-width: 80%;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 16px 0;
}

.markdown-body pre {
  overflow-x: auto;
  max-width: 100%;
}

.markdown-body code {
  word-break: break-word;
}