:root {
  --bg-main: #ffffff;
  --bg-panel: #f8f9fa;
  --bg-panel-secondary: #f0f2f5;
  --bg-hover: #e9ecef;
  --bg-active-nav: #ffefe2;

  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #6c757d;
  --text-on-accent: #ffffff;
  --text-on-user-message: #ffffff;

  --accent-primary: #d99b66;
  /* Rich Gold/Bronze */
  --accent-primary-darker: #c7824a;
  --accent-primary-rgb: 217, 155, 102;
  --accent-secondary: #007bff;
  /* Professional Blue */
  --accent-secondary-darker: #0056b3;
  --accent-secondary-rgb: 0, 123, 255;

  --accent-success: #28a745;
  --accent-danger: #f55050;
  --accent-danger-rgb: 245, 80, 80;
  /* Added for voice input active state */
  --accent-info-bg: #e6f7ff;
  --accent-info-text: #00529b;

  --border-primary: #dee2e6;
  --border-secondary: #ced4da;
  --border-focus: var(--accent-primary);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial,
    sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  --font-heading: 'Poppins', 'Inter', sans-serif;

  --shadow-soft-small: 0 2px 5px rgba(0, 0, 0, 0.06);
  --shadow-soft-medium: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-soft-large: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-interactive: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-interactive-hover: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);

  --border-radius-main: 8px;
  --border-radius-large: 12px;
  --border-radius-xl: 16px;
  --border-radius-pill: 50px;

  --transition-fast: 0.2s ease-out;
  --transition-medium: 0.3s ease-out;

  --scrollbar-thumb-color: #c1c1c1;
  --scrollbar-track-color: var(--bg-panel);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition:
    background-color var(--transition-medium),
    color var(--transition-medium);
}

.app-container {
  display: flex;
  width: 100%;
  height: 100%;
  background-color: var(--bg-main);
  transition: background-color var(--transition-medium);
}

.sidebar {
  width: 280px;
  background-color: var(--bg-panel);
  padding: 20px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-primary);
  transition:
    width var(--transition-medium),
    padding var(--transition-medium),
    background-color var(--transition-medium),
    border-color var(--transition-medium),
    left var(--transition-medium);
  flex-shrink: 0;
  position: relative;
}

.sidebar-header {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  color: var(--text-primary);
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-secondary);
  transition: padding var(--transition-medium);
}

.sidebar-header .app-logo-svg {
  width: 36px;
  height: 36px;
  margin-right: 12px;
  fill: var(--accent-primary);
  transition: fill var(--transition-medium);
}

.sidebar-header h1 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1.2;
  transition:
    opacity var(--transition-fast),
    font-size var(--transition-medium),
    color var(--transition-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav .nav-button,
.conversation-list-item-container .conversation-title-button {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 8px;
  border-radius: var(--border-radius-large);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  background: transparent;
  border: 1px solid transparent;
  text-align: left;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav .nav-button:hover,
.conversation-list-item-container .conversation-title-button:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-interactive);
  transform: translateY(-1px);
}

.sidebar-nav .nav-button.active,
.conversation-list-item-container .conversation-title-button.active {
  background: var(--accent-primary);
  color: var(--text-on-accent);
  font-weight: 600;
  border-color: transparent;
  box-shadow: 0 4px 10px rgba(var(--accent-primary-rgb), 0.3);
}

.sidebar-nav .nav-button.active svg,
.conversation-list-item-container .conversation-title-button.active svg {
  fill: var(--text-on-accent);
}

.sidebar-nav .nav-button svg {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  fill: currentColor;
  opacity: 0.8;
  transition:
    fill var(--transition-fast),
    opacity var(--transition-fast),
    margin-right var(--transition-medium);
  flex-shrink: 0;
}

.sidebar-nav .nav-button:hover svg {
  opacity: 1;
}

.conversation-list-item-container {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  border-radius: var(--border-radius-large);
  position: relative;
}

.conversation-list-item-container:hover {
  background-color: var(--bg-hover);
  box-shadow: var(--shadow-interactive);
}

.conversation-list-item-container .conversation-title-button {
  flex-grow: 1;
  margin-bottom: 0;
  border: none;
}

.conversation-list-item-container .conversation-title-button:hover {
  box-shadow: none;
  transform: none;
}

.conversation-history {
  margin-top: 20px;
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 8px;
}

.sidebar.collapsed .conversation-history {
  margin-top: 16px;
  flex-grow: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.sidebar.collapsed .conversation-history::-webkit-scrollbar {
  display: none;
}

.sidebar.collapsed .conversation-history .conversation-list-item-container {
  margin-bottom: 12px;
}

.sidebar.collapsed .conversation-history .conversation-title-button {
  width: 56px;
  height: 56px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.15), rgba(var(--accent-secondary-rgb), 0.1));
  border: 3px solid rgba(var(--accent-primary-rgb), 0.4);
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.sidebar.collapsed .conversation-history .conversation-title-button::before {
  content: '💬';
  font-size: 24px;
  position: absolute;
  opacity: 1;
  transition: all 0.3s ease;
}

.sidebar.collapsed .conversation-history .conversation-title-button:hover {
  transform: scale(1.25) translateX(4px);
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.35), rgba(var(--accent-secondary-rgb), 0.25));
  border-color: var(--accent-primary);
  border-width: 3px;
  box-shadow:
    0 8px 24px rgba(var(--accent-primary-rgb), 0.5),
    0 0 0 4px rgba(var(--accent-primary-rgb), 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.sidebar.collapsed .conversation-history .conversation-title-button.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-color: var(--accent-primary);
  border-width: 3px;
  box-shadow:
    0 8px 24px rgba(var(--accent-primary-rgb), 0.6),
    0 0 0 4px rgba(var(--accent-primary-rgb), 0.25),
    inset 0 2px 0 rgba(255, 255, 255, 0.3);

}

.sidebar.collapsed .conversation-history .conversation-title-button.active::before {
  filter: brightness(0) invert(1);
}

.sidebar.collapsed .conversation-history .conversation-title-button svg {
  display: none;
}

.sidebar.collapsed .conversation-history .conversation-title-button span {
  display: none;
}

.conversation-history h3 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  font-weight: 600;
  padding-left: 16px;
  opacity: 1;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.conversation-history::-webkit-scrollbar {
  width: 8px;
}

.conversation-history::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: 4px;
}

.conversation-history::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-actions {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-primary);
}

.sidebar.collapsed .sidebar-actions {
  margin-top: auto;
  padding: 20px 12px 0;
  border-top: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.sidebar.collapsed .sidebar-actions::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  border-radius: 10px;
  box-shadow: 0 0 10px var(--accent-primary);
}

.sidebar-actions h3 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  font-weight: 600;
  opacity: 1;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.sidebar-actions .action-button {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 10px;
  border-radius: var(--border-radius-large);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  background-color: var(--bg-panel-secondary);
  border: 1px solid var(--border-secondary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-interactive);
  position: relative;
  overflow: hidden;
}

.sidebar-actions .action-button:hover {
  background-color: var(--bg-main);
  color: var(--accent-primary-darker);
  border-color: var(--accent-primary);
  box-shadow:
    0 0 0 2px rgba(var(--accent-primary-rgb), 0.3),
    var(--shadow-interactive-hover);
  transform: translateY(-2px);
}

.sidebar-actions .action-button svg {
  width: 18px;
  height: 18px;
  margin-right: 12px;
  fill: currentColor;
  transition:
    fill var(--transition-fast),
    margin-right var(--transition-medium);
  flex-shrink: 0;
}

.sidebar-actions .action-button:hover svg {
  fill: var(--accent-primary-darker);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 1;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.minimal-user-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background-color: var(--bg-panel-secondary);
  border-radius: var(--border-radius-main);
  border: 1px solid var(--border-primary);
  transition: all var(--transition-fast);
}

.minimal-user-bar:hover {
  background-color: var(--bg-hover);
  border-color: var(--accent-primary);
}

.user-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-avatar svg {
  width: 18px;
  height: 18px;
  fill: white;
}

.user-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.user-details strong {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.2;
}

.db-badge {
  font-size: 0.65rem;
  color: var(--accent-primary);
  font-weight: 600;
  background-color: rgba(var(--accent-primary-rgb), 0.1);
  padding: 1px 6px;
  border-radius: 3px;
  display: inline-block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
  line-height: 1.4;
}

.minimal-logout-btn {
  width: 32px;
  height: 32px;
  background-color: var(--accent-danger);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-interactive);
}

.minimal-logout-btn svg {
  width: 16px;
  height: 16px;
  fill: white;
}

.minimal-logout-btn:hover {
  background-color: #e04040;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(var(--accent-danger-rgb), 0.4);
}

.main-content-area {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  overflow: hidden;
  transition: background-color var(--transition-medium);
}

.tab-navigation {
  display: flex;
  padding: 10px 28px 0;
  border-bottom: 1px solid var(--border-primary);
  background-color: var(--bg-main);
  flex-shrink: 0;
  gap: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
  transition:
    background-color var(--transition-medium),
    border-color var(--transition-medium);
}

.tab-button {
  padding: 14px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: transparent;
  border: none;
  border-bottom: 4px solid transparent;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-medium),
    transform var(--transition-fast);
  margin-bottom: -1px;
  position: relative;
  top: 1px;
}

.tab-button:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
  border-bottom-color: var(--border-secondary);
}

.tab-button.active {
  color: var(--accent-primary-darker);
  border-bottom-color: var(--accent-primary);
  font-weight: 700;
}

.tab-button .badge {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--border-radius-pill);
  margin-left: 8px;
  font-weight: 600;
  display: inline-block;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.tab-content {
  flex-grow: 1;
  display: none;
  overflow: hidden;
}

.tab-content.active {
  display: flex;
}

#conversationTab.active,
#schemaBrowserTab.active {
  flex-direction: column;
}

#schemaBrowserTab #schemaDisplayArea {
  padding: 24px;
  overflow-y: auto;
  font-family: monospace;
  white-space: pre-wrap;
  background-color: var(--bg-panel-secondary);
  flex-grow: 1;
  border-left: 4px solid var(--accent-primary);
  margin: 10px;
  border-radius: var(--border-radius-main);
}

#schemaBrowserTab #schemaDisplayArea::-webkit-scrollbar {
  width: 10px;
}

#schemaBrowserTab #schemaDisplayArea::-webkit-scrollbar-track {
  background: var(--scrollbar-track-color);
}

#schemaBrowserTab #schemaDisplayArea::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: var(--border-radius-main);
}

.messages-container {
  flex-grow: 1;
  padding: 32px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  background-color: var(--bg-main);
  transition: background-color var(--transition-medium);
}

.messages-container::-webkit-scrollbar {
  width: 10px;
}

.messages-container::-webkit-scrollbar-track {
  background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: var(--border-radius-main);
  border: 2px solid var(--bg-main);
}

.messages-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-muted);
}

.message-wrapper {
  display: flex;
  max-width: 80%;
  opacity: 0;
  transform: translateY(20px);
  animation: slideInMessage 0.5s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes slideInMessage {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-wrapper.user {
  align-self: flex-end;
}

.message-wrapper.bot,
.message-wrapper.info,
.message-wrapper.error {
  align-self: flex-start;
}

.message-wrapper.info {
  align-self: center;
  max-width: 100%;
}

.message-content {
  padding: 16px 22px;
  border-radius: var(--border-radius-xl);
  line-height: 1.6;
  word-wrap: break-word;
  box-shadow: var(--shadow-soft-medium);
  position: relative;
  transition:
    background-color var(--transition-medium),
    color var(--transition-medium),
    border-color var(--transition-medium);
}

.message-wrapper.user .message-content {
  background: var(--accent-secondary);
  color: var(--text-on-user-message);
  border-bottom-right-radius: var(--border-radius-main);
}

.message-wrapper.bot .message-content {
  background-color: var(--bg-panel);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  border-bottom-left-radius: var(--border-radius-main);
}

/* Markdown Body Container */
.message-wrapper.bot .message-content .markdown-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.message-wrapper.bot .message-content .markdown-body>*:first-child {
  margin-top: 0;
}

.message-wrapper.bot .message-content .markdown-body>*:last-child {
  margin-bottom: 0;
}

.message-wrapper.error .message-content {
  background-color: var(--accent-danger);
  color: var(--text-on-accent);
  border: 1px solid transparent;
}

.message-wrapper.info .message-content {
  background-color: var(--accent-info-bg);
  color: var(--accent-info-text);
  text-align: center;
  font-size: 0.9rem;
  padding: 12px 20px;
  box-shadow: none;
  border: 1px solid var(--border-primary);
}

/* Markdown Rendering - Strong/Bold text */
.message-content strong {
  font-weight: 600;
  color: inherit;
}

.message-wrapper.bot .message-content strong {
  color: var(--text-primary);
  font-weight: 700;
}

.message-wrapper.user .message-content strong {
  color: rgba(255, 255, 255, 0.95);
}

/* Markdown Rendering Styles for Bot Messages */
.message-wrapper.bot .message-content h1,
.message-wrapper.bot .message-content h2,
.message-wrapper.bot .message-content h3,
.message-wrapper.bot .message-content h4,
.message-wrapper.bot .message-content h5,
.message-wrapper.bot .message-content h6 {
  font-family: var(--font-heading);
  color: var(--accent-primary-darker);
  margin-top: 20px;
  margin-bottom: 12px;
  line-height: 1.3;
  font-weight: 700;
}

.message-wrapper.bot .message-content h1:first-child,
.message-wrapper.bot .message-content h2:first-child,
.message-wrapper.bot .message-content h3:first-child,
.message-wrapper.bot .message-content .markdown-body>h1:first-child,
.message-wrapper.bot .message-content .markdown-body>h2:first-child,
.message-wrapper.bot .message-content .markdown-body>h3:first-child {
  margin-top: 0;
}

.message-wrapper.bot .message-content h1 {
  font-size: 1.4rem;
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: 10px;
  color: var(--accent-primary);
}

.message-wrapper.bot .message-content h2 {
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border-secondary);
  padding-bottom: 8px;
}

.message-wrapper.bot .message-content h3 {
  font-size: 1.1rem;
  color: var(--accent-primary);
}

.message-wrapper.bot .message-content h4 {
  font-size: 1rem;
  color: var(--text-primary);
}

.message-wrapper.bot .message-content h5,
.message-wrapper.bot .message-content h6 {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Lists in bot messages */
.message-wrapper.bot .message-content ul,
.message-wrapper.bot .message-content ol {
  margin: 14px 0;
  padding-left: 28px;
}

.message-wrapper.bot .message-content ul {
  list-style-type: none;
}

.message-wrapper.bot .message-content ul>li {
  position: relative;
}

.message-wrapper.bot .message-content ul>li::before {
  content: "•";
  position: absolute;
  left: -18px;
  color: var(--accent-primary);
  font-weight: bold;
  font-size: 1.2em;
}

.message-wrapper.bot .message-content ol {
  list-style-type: decimal;
}

.message-wrapper.bot .message-content ol>li::marker {
  color: var(--accent-primary);
  font-weight: 600;
}

.message-wrapper.bot .message-content li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: var(--text-primary);
}

.message-wrapper.bot .message-content li strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* Nested lists */
.message-wrapper.bot .message-content ul ul,
.message-wrapper.bot .message-content ol ol,
.message-wrapper.bot .message-content ul ol,
.message-wrapper.bot .message-content ol ul {
  margin: 8px 0;
}

/* Paragraphs in bot messages */
.message-wrapper.bot .message-content p {
  margin: 12px 0;
  line-height: 1.7;
  color: var(--text-primary);
}

.message-wrapper.bot .message-content p:first-child,
.message-wrapper.bot .message-content .markdown-body>p:first-child {
  margin-top: 0;
}

.message-wrapper.bot .message-content p:last-child,
.message-wrapper.bot .message-content .markdown-body>p:last-child {
  margin-bottom: 0;
}

/* Links in bot messages */
.message-wrapper.bot .message-content a {
  color: var(--accent-secondary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.message-wrapper.bot .message-content a:hover {
  color: var(--accent-secondary-darker);
}

/* Blockquotes in bot messages */
.message-wrapper.bot .message-content blockquote {
  margin: 14px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--accent-primary);
  background-color: rgba(var(--accent-primary-rgb), 0.06);
  border-radius: 0 var(--border-radius-main) var(--border-radius-main) 0;
  color: var(--text-secondary);
}

.message-wrapper.bot .message-content blockquote p {
  margin: 0;
  font-style: normal;
}

/* Horizontal rules in bot messages */
.message-wrapper.bot .message-content hr {
  border: none;
  border-top: 2px solid var(--border-secondary);
  margin: 20px 0;
}

/* Tables in bot messages */
.message-wrapper.bot .message-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 0.9rem;
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-main);
  overflow: hidden;
}

.message-wrapper.bot .message-content th,
.message-wrapper.bot .message-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
}

.message-wrapper.bot .message-content th {
  background-color: var(--bg-panel-secondary);
  font-weight: 600;
  color: var(--text-primary);
}

.message-wrapper.bot .message-content tr:last-child td {
  border-bottom: none;
}

.message-wrapper.bot .message-content tr:hover {
  background-color: var(--bg-hover);
}

/* Emphasis/Italic text */
.message-wrapper.bot .message-content em {
  font-style: italic;
  color: var(--text-secondary);
}

.message-wrapper.bot .message-content strong em,
.message-wrapper.bot .message-content em strong {
  color: var(--text-primary);
  font-weight: 700;
}

.message-content code:not(pre code) {
  background-color: rgba(var(--accent-primary-rgb), 0.1);
  padding: 0.2em 0.5em;
  margin: 0 0.1em;
  font-size: 88%;
  border-radius: 4px;
  color: var(--accent-primary-darker);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
}

.message-content pre {
  background-color: var(--bg-panel-secondary);
  padding: 18px;
  border-radius: var(--border-radius-main);
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  font-size: 0.9rem;
  margin-top: 14px;
  border: 1px solid var(--border-primary);
  white-space: pre-wrap;
  word-break: break-all;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.message-content pre code {
  background: none;
  padding: 0;
  margin: 0;
  font-size: inherit;
  border-radius: 0;
  color: var(--text-primary);
  border: none;
}

.message-content pre::-webkit-scrollbar {
  height: 8px;
}

.message-content pre::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: 4px;
}

.dynamic-table-wrapper {
  margin-top: 16px;
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  max-height: 480px;
  overflow-y: auto;
  box-shadow: var(--shadow-soft-medium);
}

.dynamic-table-wrapper::-webkit-scrollbar {
  width: 8px;
}

.dynamic-table-wrapper::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: 4px;
}

.dynamic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.dynamic-table th,
.dynamic-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
  color: var(--text-secondary);
  transition:
    background-color 0.2s,
    color 0.2s;
}

.dynamic-table th {
  background-color: var(--bg-panel);
  color: var(--text-primary);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
  box-shadow: 0 1px 0 var(--border-primary);
}

.dynamic-table tr:last-child td {
  border-bottom: none;
}

.dynamic-table tbody tr:hover {
  background-color: var(--bg-hover);
}

.dynamic-table tbody tr:hover td {
  color: var(--text-primary);
}

.message-actions-container {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.message-action-button,
.contextual-action-button {
  background-color: var(--bg-panel);
  color: var(--text-secondary);
  padding: 10px 16px;
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-main);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-interactive);
}

.message-action-button:hover,
.contextual-action-button:hover {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary-darker);
  box-shadow:
    0 2px 8px rgba(var(--accent-primary-rgb), 0.25),
    var(--shadow-interactive-hover);
  transform: translateY(-2px) scale(1.02);
}

.message-action-button svg,
.contextual-action-button svg {
  width: 16px;
  height: 16px;
  margin-right: 8px;
  fill: currentColor;
}

.contextual-action-button {
  background-color: var(--accent-info-bg);
  color: var(--accent-info-text);
  border-color: var(--accent-info-text);
}

.contextual-action-button:hover {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary);
}

/* Message Footer for Metadata */
.message-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 12px;
  padding-top: 8px;
  position: relative;
  z-index: 100;
  /* Above table content */
  border-top: 1px solid rgba(0, 0, 0, 0.03);
  width: 100%;
}

/* Confidence Badge - Sleek Pill Design */
.confidence-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  z-index: 10;
  /* Base z-index */
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: help;
  transition: all var(--transition-fast);
  background-color: rgba(255, 255, 255, 0.8);
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  user-select: none;
}

.confidence-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
  background-color: #fff;
  z-index: 9999;
  /* Bring to front on hover */
}

.confidence-badge-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.confidence-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

/* Colors based on level */
.confidence-badge.confidence-high {
  background-color: rgba(40, 167, 69, 0.08);
  border-color: rgba(40, 167, 69, 0.2);
  color: #28a745;
}

.confidence-badge.confidence-high .confidence-icon {
  background-color: #28a745;
  color: white;
}

.confidence-badge.confidence-high .confidence-badge-label {
  color: #28a745;
}

.confidence-badge.confidence-medium {
  background-color: rgba(255, 193, 7, 0.08);
  border-color: rgba(255, 193, 7, 0.2);
  color: #e6a700;
}

.confidence-badge.confidence-medium .confidence-icon {
  background-color: #ffc107;
  color: #333;
}

.confidence-badge.confidence-medium .confidence-badge-label {
  color: #e6a700;
}

.confidence-badge.confidence-low {
  background-color: rgba(245, 80, 80, 0.08);
  border-color: rgba(245, 80, 80, 0.2);
  color: var(--accent-danger);
}

.confidence-badge.confidence-low .confidence-icon {
  background-color: var(--accent-danger);
  color: white;
}

.confidence-badge.confidence-low .confidence-badge-label {
  color: var(--accent-danger);
}

/* Rich Tooltip Card - Positioned Above */
.confidence-tooltip {
  position: absolute;
  bottom: 100%;
  /* Position above */
  right: 0;
  margin-bottom: 12px;
  isolation: isolate;
  /* Create new stacking context */
  background: white;
  border-radius: var(--border-radius-large);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  padding: 16px;
  min-width: 260px;
  max-width: 300px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-medium);
  z-index: 99999;
  /* Very high to appear above tables */
  pointer-events: none;
  /* Prevent flickering */
}

.confidence-badge:hover .confidence-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Tooltip arrow - pointing down */
.confidence-tooltip::before {
  content: '';
  position: absolute;
  top: 100%;
  right: 16px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid white;
}

/* Tooltip header */
.confidence-tooltip-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-primary);
}

.confidence-tooltip-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.confidence-badge.confidence-high .confidence-tooltip-icon {
  background-color: rgba(40, 167, 69, 0.15);
  color: #28a745;
}

.confidence-badge.confidence-medium .confidence-tooltip-icon {
  background-color: rgba(255, 193, 7, 0.15);
  color: #ffa500;
}

.confidence-badge.confidence-low .confidence-tooltip-icon {
  background-color: rgba(245, 80, 80, 0.15);
  color: var(--accent-danger);
}

.confidence-tooltip-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Score bar */
.confidence-tooltip-score {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.confidence-score-bar {
  flex: 1;
  height: 6px;
  background-color: var(--bg-panel-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.confidence-score-fill {
  height: 100%;
  transition: width 0.4s ease-out;
  border-radius: 4px;
}

.confidence-score-fill.confidence-high {
  background: linear-gradient(90deg, #28a745, #20c997);
}

.confidence-score-fill.confidence-medium {
  background: linear-gradient(90deg, #ffa500, #ffc107);
}

.confidence-score-fill.confidence-low {
  background: linear-gradient(90deg, var(--accent-danger), #ff6b6b);
}

.confidence-score-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 40px;
  text-align: right;
}

/* Level badge */
.confidence-tooltip-level {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--border-radius-main);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.confidence-tooltip-level.high {
  background-color: rgba(40, 167, 69, 0.1);
  color: #28a745;
}

.confidence-tooltip-level.medium {
  background-color: rgba(255, 193, 7, 0.1);
  color: #ffa500;
}

.confidence-tooltip-level.low {
  background-color: rgba(245, 80, 80, 0.1);
  color: var(--accent-danger);
}

/* Reason text */
.confidence-tooltip-reason {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  background-color: var(--bg-panel-secondary);
  padding: 10px;
  border-radius: 6px;
}


#visualizationsTab.active {
  padding: 28px;
  overflow-y: auto;
  flex-wrap: wrap;
  gap: 28px;
  align-content: flex-start;
}

#visualizationsTab.active::-webkit-scrollbar {
  width: 10px;
}

#visualizationsTab.active::-webkit-scrollbar-track {
  background: var(--scrollbar-track-color);
}

#visualizationsTab.active::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: var(--border-radius-main);
}

.visualization-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-soft-large);
  width: calc(50% - 14px);
  max-width: 650px;
  display: flex;
  flex-direction: column;
  transition:
    box-shadow var(--transition-medium),
    transform var(--transition-medium);
}

.visualization-card:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.visualization-card h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-secondary);
  padding-bottom: 10px;
}

.visualization-card img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-main);
  background-color: #fff;
  margin-top: 12px;
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-soft-small);
}

.visualization-card .viz-type-badge {
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--border-radius-pill);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  color: var(--text-on-accent);
  align-self: flex-start;
  margin-bottom: 10px;
  box-shadow: 0 2px 5px rgba(var(--accent-primary-rgb), 0.2);
}

.visualization-card .viz-error {
  color: var(--accent-danger);
  font-size: 0.9rem;
  padding: 12px;
  background-color: rgba(245, 80, 80, 0.05);
  border: 1px solid rgba(245, 80, 80, 0.3);
  border-left: 4px solid var(--accent-danger);
  border-radius: var(--border-radius-main);
  white-space: pre-wrap;
  word-break: break-all;
}

.no-visualizations-message {
  width: 100%;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  padding: 50px 20px;
  background-color: var(--bg-panel-secondary);
  border-radius: var(--border-radius-large);
}

.input-area {
  padding: 12px 20px;
  border-top: 1px solid var(--border-primary);
  background-color: var(--bg-panel);
  flex-shrink: 0;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
  transition:
    background-color var(--transition-medium),
    border-color var(--transition-medium);
}

.suggestion-chips-container {
  margin-bottom: 12px;
}

.suggestion-chips-bar {
  display: flex;
  gap: 8px;
  padding-bottom: 6px;
  align-items: center;
  overflow-x: auto;
  flex-wrap: nowrap;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb-color) transparent;
}

.suggestion-chips-bar::-webkit-scrollbar {
  height: 6px;
}

.suggestion-chips-bar::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: 3px;
}

.suggestion-chips-bar::-webkit-scrollbar-track {
  background: transparent;
}

.suggestion-chips-bar.dynamic-suggestions {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-secondary);
}

.suggestion-chip {
  background-color: var(--bg-main);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--border-radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-secondary);
  white-space: nowrap;
  box-shadow: var(--shadow-interactive);
  flex-shrink: 0;
  line-height: 1.2;
}

.suggestion-chip:hover {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary-darker);
  transform: translateY(-2px) scale(1.03);
  box-shadow:
    0 3px 8px rgba(var(--accent-primary-rgb), 0.2),
    var(--shadow-interactive-hover);
}

.suggestion-chips-bar.dynamic-suggestions .suggestion-chip {
  background-color: var(--accent-info-bg);
  color: var(--accent-info-text);
  border-color: var(--accent-info-text);
}

.suggestion-chips-bar.dynamic-suggestions .suggestion-chip:hover {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary);
}

.input-field-wrapper {
  display: flex;
  align-items: flex-end;
  background-color: var(--bg-main);
  border: 1px solid var(--border-secondary);
  border-radius: var(--border-radius-xl);
  padding: 8px 12px;
  box-shadow: var(--shadow-soft-medium);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-medium),
    background-color var(--transition-medium);
  min-height: 56px;
}

.input-field-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow:
    0 0 0 4px rgba(var(--accent-primary-rgb), 0.25),
    var(--shadow-soft-large);
}

.input-field-wrapper textarea {
  flex-grow: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  padding: 10px;
  resize: none;
  outline: none;
  max-height: 120px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb-color) transparent;
  transition: color var(--transition-medium);
  line-height: 1.4;
}

.input-field-wrapper textarea::-webkit-scrollbar {
  width: 8px;
}

.input-field-wrapper textarea::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: 4px;
}

.input-field-wrapper textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.9;
  transition: color var(--transition-medium);
}

.input-field-wrapper button#sendButton {
  background: var(--accent-primary);
  border: none;
  color: var(--text-on-accent);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  transition: all var(--transition-medium);
  flex-shrink: 0;
  box-shadow: 0 2px 5px rgba(var(--accent-primary-rgb), 0.2);
}

.input-field-wrapper button#sendButton:hover {
  background: var(--accent-primary-darker);
  transform: scale(1.08) translateY(-1px);
  box-shadow: 0 4px 10px rgba(var(--accent-primary-rgb), 0.3);
}

.input-field-wrapper button#sendButton:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
  transform: scale(1);
  box-shadow: none;
}

.input-field-wrapper button#sendButton svg {
  width: 24px;
  height: 24px;
  fill: var(--text-on-accent);
}

/* --- VOICE INPUT BUTTON --- */
.input-field-wrapper button#voiceInputButton {
  background: var(--bg-main);
  border: 1px solid var(--border-secondary);
  color: var(--text-secondary);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 12px;
  margin-right: 0;
  transition: all var(--transition-medium);
  flex-shrink: 0;
  box-shadow: var(--shadow-interactive);
  padding: 0;
}

.input-field-wrapper button#voiceInputButton:hover {
  background: var(--bg-hover);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: scale(1.05);
  box-shadow:
    0 0 0 2px rgba(var(--accent-primary-rgb), 0.2),
    var(--shadow-interactive-hover);
}

.input-field-wrapper button#voiceInputButton.listening {
  background-color: rgba(var(--accent-danger-rgb), 0.1);
  border-color: var(--accent-danger);
  color: var(--accent-danger);
}

.input-field-wrapper button#voiceInputButton.listening #micIcon {
  display: none;
}

.input-field-wrapper button#voiceInputButton.listening #micActiveIcon {
  display: block;
}

.input-field-wrapper button#voiceInputButton #micActiveIcon {
  display: none;
}

/* --- END VOICE INPUT BUTTON --- */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(var(--bg-panel-rgb, 248, 249, 250), 0.9);
  backdrop-filter: blur(5px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-medium),
    visibility var(--transition-medium);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 6px solid var(--bg-hover);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spinAnimation 0.8s linear infinite;
}

.loading-overlay p {
  margin-top: 24px;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 500;
}

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

/* Spinner for visualization buttons */
.spinner {
  animation: spinAnimation 1s linear infinite;
}

.spinner .path {
  stroke-dasharray: 90, 150;
  stroke-dashoffset: 0;
  animation: dash 1.5s ease-in-out infinite;
}

@keyframes dash {
  0% {
    stroke-dasharray: 1, 150;
    stroke-dashoffset: 0;
  }

  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -35;
  }

  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -124;
  }
}

/* --- CUSTOM MODAL STYLES --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-main);
  border-radius: var(--border-radius-xl);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  max-width: 480px;
  width: 90%;
  padding: 0;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s ease;
  overflow: hidden;
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg,
      rgba(var(--accent-danger-rgb), 0.05),
      rgba(var(--accent-danger-rgb), 0.02));
}

.modal-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg,
      rgba(var(--accent-danger-rgb), 0.15),
      rgba(var(--accent-danger-rgb), 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: modalIconPulse 2s ease-in-out infinite;
}

.modal-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-danger);
  stroke-width: 2.5;
}

@keyframes modalIconPulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(var(--accent-danger-rgb), 0.4);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 8px rgba(var(--accent-danger-rgb), 0);
  }
}

.modal-header h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.modal-body {
  padding: 24px 32px 28px;
}

.modal-body p {
  margin: 0 0 16px 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.modal-conversation-title {
  background: var(--bg-panel);
  border: 2px solid var(--border-secondary);
  border-radius: var(--border-radius-main);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-align: center;
  box-shadow: var(--shadow-soft-small);
  word-break: break-word;
}

.modal-actions {
  padding: 20px 32px 28px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  background: var(--bg-panel-secondary);
}

.modal-btn {
  padding: 12px 28px;
  border: none;
  border-radius: var(--border-radius-main);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 100px;
  position: relative;
  overflow: hidden;
}

.modal-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.modal-btn:active::before {
  width: 300px;
  height: 300px;
}

.modal-btn-cancel {
  background: var(--bg-panel);
  color: var(--text-secondary);
  border: 2px solid var(--border-secondary);
}

.modal-btn-cancel:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.modal-btn-confirm {
  background: linear-gradient(135deg,
      var(--accent-danger),
      rgba(var(--accent-danger-rgb), 0.85));
  color: white;
  border: 2px solid transparent;
  box-shadow:
    0 4px 12px rgba(var(--accent-danger-rgb), 0.3),
    0 2px 4px rgba(0, 0, 0, 0.1);
}

.modal-btn-confirm:hover {
  background: linear-gradient(135deg,
      rgba(var(--accent-danger-rgb), 0.9),
      rgba(var(--accent-danger-rgb), 0.75));
  transform: translateY(-2px);
  box-shadow:
    0 6px 20px rgba(var(--accent-danger-rgb), 0.4),
    0 4px 8px rgba(0, 0, 0, 0.15);
}

.modal-btn:active {
  transform: translateY(0);
}

/* --- END CUSTOM MODAL STYLES --- */

.sr-only {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.table-actions-bar {
  margin-top: 12px;
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
  padding-left: 5px;
}

.table-action-btn {
  background-color: var(--bg-panel);
  color: var(--text-secondary);
  border: 1px solid var(--border-secondary);
  padding: 8px 14px;
  font-size: 0.85rem;
  border-radius: var(--border-radius-main);
  cursor: pointer;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-interactive);
}

.table-action-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  border-color: var(--accent-primary-darker);
  box-shadow:
    0 2px 6px rgba(var(--accent-primary-rgb), 0.25),
    var(--shadow-interactive-hover);
  transform: translateY(-1px);
}

.sidebar-toggle-button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px;
  margin-right: 10px;
  cursor: pointer;
  border-radius: var(--border-radius-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  position: relative;
}

.sidebar-toggle-button:hover {
  background-color: var(--bg-hover);
  color: var(--accent-primary);
  transform: scale(1.1);
}

.sidebar-toggle-button svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  transition: transform var(--transition-medium);
}

.sidebar.collapsed .sidebar-toggle-button {
  margin-right: 0;
  padding: 12px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-radius: 50%;
  position: absolute;
  top: 12px;
  right: -18px;
  z-index: 10;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 4px 16px rgba(var(--accent-primary-rgb), 0.4),
    0 0 0 4px rgba(var(--accent-primary-rgb), 0.1);

}

.sidebar.collapsed .sidebar-toggle-button svg {
  color: white;
  fill: white;
}

.sidebar.collapsed .sidebar-toggle-button:hover {
  background: linear-gradient(135deg, var(--accent-primary-darker), var(--accent-primary));
  transform: scale(1.3) rotate(180deg);
  box-shadow:
    0 8px 24px rgba(var(--accent-primary-rgb), 0.6),
    0 0 0 6px rgba(var(--accent-primary-rgb), 0.2);
  animation: none;
}



.sidebar.collapsed {
  width: 80px;
  padding: 20px 0;
  background: linear-gradient(180deg, rgba(var(--accent-primary-rgb), 0.03), rgba(var(--bg-panel-rgb, 248, 249, 250), 0.5));
  backdrop-filter: blur(20px) saturate(180%);
  border-right: 2px solid rgba(var(--accent-primary-rgb), 0.2);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    inset -2px 0 8px rgba(var(--accent-primary-rgb), 0.05);
}

body.theme-spring-meadow .sidebar.collapsed {
  background: linear-gradient(180deg, rgba(46, 125, 50, 0.08), rgba(230, 245, 233, 0.9));
  border-right: 3px solid rgba(46, 125, 50, 0.5);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset -3px 0 12px rgba(46, 125, 50, 0.08);
}

.sidebar.collapsed .sidebar-header {
  padding-bottom: 20px;
  margin-bottom: 20px;
  justify-content: center;
  border-bottom: none;
  position: relative;
}

.sidebar.collapsed .sidebar-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  border-radius: 10px;
  box-shadow: 0 0 10px var(--accent-primary);
}

.sidebar.collapsed .sidebar-header h1 {
  opacity: 0;
  position: absolute;
  visibility: hidden;
  width: 0;
  height: 0;
}

.sidebar.collapsed .app-logo-svg {
  margin: 0 auto;
  width: 48px;
  height: 48px;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  filter: drop-shadow(0 4px 8px rgba(var(--accent-primary-rgb), 0.3));

}

.sidebar.collapsed .app-logo-svg:hover {
  transform: scale(1.3) rotate(360deg);
  filter: drop-shadow(0 8px 16px rgba(var(--accent-primary-rgb), 0.6));
}



.sidebar.collapsed .sidebar-nav .nav-button span,
.sidebar.collapsed .conversation-list-item-container .conversation-title-button span:not(.sr-only),
.sidebar.collapsed .conversation-history h3,
.sidebar.collapsed .sidebar-actions h3,
.sidebar.collapsed .sidebar-actions .action-button span:not(.sr-only),
.sidebar.collapsed .theme-switcher-container .action-button span:not(.sr-only),
.sidebar.collapsed .user-details,
.sidebar.collapsed .minimal-logout-btn {
  opacity: 0;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  transition:
    opacity 0.1s ease-out,
    width 0.2s ease-out;
  visibility: hidden;
}

.sidebar.collapsed .minimal-user-bar {
  justify-content: center;
  padding: 0;
  margin: 20px auto 0;
  border: none;
  background: transparent;
  position: relative;
  overflow: visible;
  width: fit-content;
}

.sidebar.collapsed .user-avatar {
  margin: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

}

.sidebar.collapsed .user-avatar::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0.5;
  filter: blur(8px);
  z-index: -1;

}

.sidebar.collapsed .user-avatar::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)) border-box;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;

}

.sidebar.collapsed .user-avatar:hover {
  transform: scale(1.2) translateY(-4px);
  box-shadow:
    0 12px 32px rgba(var(--accent-primary-rgb), 0.6),
    0 0 0 8px rgba(var(--accent-primary-rgb), 0.1);

}

.sidebar.collapsed .user-avatar svg {
  width: 32px;
  height: 32px;
}



.sidebar.collapsed .sidebar-nav .nav-button,
.sidebar.collapsed .sidebar-actions .action-button {
  justify-content: center;
  padding: 0;
  margin: 8px auto;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  position: relative;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.15), rgba(var(--accent-secondary-rgb), 0.1));
  backdrop-filter: blur(10px);
  border: 3px solid rgba(var(--accent-primary-rgb), 0.4);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  overflow: visible;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.sidebar.collapsed .sidebar-nav .nav-button::before,
.sidebar.collapsed .sidebar-actions .action-button::before {
  content: attr(title);
  position: fixed;
  left: 96px;
  top: auto;
  transform: translateY(-50%) translateX(-10px);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  color: white;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.3),
    0 0 0 2px rgba(var(--accent-primary-rgb), 0.5);
  z-index: 10000;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.sidebar.collapsed .conversation-history .conversation-title-button::after {
  content: attr(title);
  position: fixed;
  left: 96px;
  top: auto;
  transform: translateY(-50%) translateX(-10px);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  color: white;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.3),
    0 0 0 2px rgba(var(--accent-primary-rgb), 0.5);
  z-index: 10000;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.sidebar.collapsed .conversation-history .conversation-title-button:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sidebar.collapsed .sidebar-nav .nav-button::after,
.sidebar.collapsed .sidebar-actions .action-button::after {
  content: '';
  position: fixed;
  left: 88px;
  top: auto;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 8px 8px 0;
  border-color: transparent var(--accent-primary) transparent transparent;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 9999;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.sidebar.collapsed .sidebar-nav .nav-button:hover,
.sidebar.collapsed .sidebar-actions .action-button:hover {
  transform: scale(1.25) translateX(4px);
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.35), rgba(var(--accent-secondary-rgb), 0.25));
  border-color: var(--accent-primary);
  border-width: 3px;
  box-shadow:
    0 8px 24px rgba(var(--accent-primary-rgb), 0.5),
    0 0 0 4px rgba(var(--accent-primary-rgb), 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.sidebar.collapsed .sidebar-nav .nav-button:hover::before,
.sidebar.collapsed .sidebar-actions .action-button:hover::before {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sidebar.collapsed .sidebar-nav .nav-button:hover::after,
.sidebar.collapsed .sidebar-actions .action-button:hover::after {
  opacity: 1;
}

.sidebar.collapsed .sidebar-nav .nav-button.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-color: var(--accent-primary);
  border-width: 3px;
  box-shadow:
    0 8px 24px rgba(var(--accent-primary-rgb), 0.6),
    0 0 0 4px rgba(var(--accent-primary-rgb), 0.25),
    inset 0 2px 0 rgba(255, 255, 255, 0.3);
  animation: pulseGlow 2s ease-in-out infinite;
}

.sidebar.collapsed .sidebar-nav .nav-button.active svg {
  color: white !important;
  fill: white !important;
}



.sidebar.collapsed .sidebar-nav .nav-button svg,
.sidebar.collapsed .conversation-list-item-container .conversation-title-button svg,
.sidebar.collapsed .sidebar-actions .action-button svg {
  margin-right: 0;
  width: 26px;
  height: 26px;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.sidebar.collapsed .sidebar-nav .nav-button:hover svg,
.sidebar.collapsed .conversation-list-item-container .conversation-title-button:hover svg,
.sidebar.collapsed .sidebar-actions .action-button:hover svg {
  transform: scale(1.2) rotate(5deg);
  filter: drop-shadow(0 4px 8px rgba(var(--accent-primary-rgb), 0.4));
}

.sidebar.collapsed .conversation-item-buttons {
  display: none;
}

.sidebar.collapsed .theme-switcher-container .theme-options-panel {
  left: 76px;
  top: auto;
  bottom: 10px;
  box-shadow: var(--shadow-soft-large);
  animation: slideInFromLeft 0.3s ease-out;
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-10px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

.theme-switcher-container {
  position: relative;
  margin-top: 10px;
}

.theme-switcher-container .action-button {
  justify-content: space-between;
}

.theme-arrow-icon {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.theme-switcher-container .action-button.open .theme-arrow-icon {
  transform: rotate(180deg);
}

.theme-options-panel {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 100%;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-main);
  box-shadow: var(--shadow-soft-large);
  padding: 8px;
  z-index: 10;
  max-height: 200px;
  overflow-y: auto;
  animation: fadeInScaleUp 0.3s ease-out forwards;
}

@keyframes fadeInScaleUp {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.theme-options-panel.show {
  display: block;
}

.theme-option-button {
  display: block;
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 4px;
  border-radius: var(--border-radius-main);
  background-color: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  text-align: left;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.theme-option-button:last-child {
  margin-bottom: 0;
}

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

.theme-option-button.active-theme {
  background-color: var(--accent-primary);
  color: var(--text-on-accent);
  font-weight: 600;
  border-color: var(--accent-primary-darker);
}

.theme-options-panel::-webkit-scrollbar {
  width: 6px;
}

.theme-options-panel::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-color);
  border-radius: 3px;
}

.theme-options-panel::-webkit-scrollbar-track {
  background: transparent;
}

.mobile-menu-toggle {
  display: none;
}

.sidebar-overlay {
  display: none;
}

/* --- THEME DEFINITIONS --- */
body.theme-spring-meadow {
  --bg-main: #f0fff4;
  /* Honeydew */
  --bg-panel: #e6f5e9;
  --bg-panel-secondary: #d9efe0;
  --bg-hover: #b8e6bf;
  --bg-active-nav: #2e7d32;
  --text-primary: #1b5e20;
  --text-secondary: #2e7d32;
  --text-muted: #4caf50;
  --text-on-accent: #ffffff;
  --text-on-user-message: #ffffff;
  --accent-primary: #2e7d32;
  /* Dark Green */
  --accent-primary-darker: #1b5e20;
  --accent-primary-rgb: 46, 125, 50;
  --accent-secondary: #43a047;
  /* Green for user messages */
  --accent-secondary-darker: #2e7d32;
  --accent-secondary-rgb: 67, 160, 71;
  --accent-danger: #c62828;
  --accent-danger-rgb: 198, 40, 40;
  --accent-info-bg: #e8f5e9;
  --accent-info-text: #1b5e20;
  --border-primary: #81c784;
  --border-secondary: #66bb6a;
  --border-focus: var(--accent-primary);
  --scrollbar-thumb-color: #66bb6a;
}

body.theme-midnight-sapphire {
  --bg-main: #0a192f;
  --bg-panel: #172a45;
  --bg-panel-secondary: #0f213a;
  --bg-hover: #2a3f5a;
  --bg-active-nav: #64ffda;
  --text-primary: #ccd6f6;
  --text-secondary: #a8b2d1;
  --text-muted: #8892b0;
  --text-on-accent: #0a192f;
  --text-on-user-message: #ffffff;
  --accent-primary: #64ffda;
  --accent-primary-darker: #52d9bc;
  --accent-primary-rgb: 100, 255, 218;
  --accent-secondary: #ff647f;
  --accent-secondary-darker: #e0556d;
  --accent-secondary-rgb: 255, 100, 127;
  --border-primary: #2a3f5a;
  --border-secondary: #4a5f7a;
  --border-focus: var(--accent-primary);
  --shadow-soft-small: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-soft-medium: 0 4px 15px rgba(0, 0, 0, 0.25);
  --shadow-soft-large: 0 8px 30px rgba(0, 0, 0, 0.3);
  --shadow-interactive: 0 1px 4px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-interactive-hover: 0 4px 8px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0, 0, 0, 0.15);
  --scrollbar-thumb-color: #4a5f7a;
}

body.theme-golden-sands {
  --bg-main: #fff8e1;
  --bg-panel: #ffe0b2;
  --bg-panel-secondary: #fff0d4;
  --bg-hover: #ffcc80;
  --bg-active-nav: #ff8f00;
  --text-primary: #4e342e;
  --text-secondary: #6d4c41;
  --text-muted: #8d6e63;
  --text-on-accent: #ffffff;
  --text-on-user-message: #ffffff;
  --accent-primary: #ff8f00;
  --accent-primary-darker: #e65100;
  --accent-primary-rgb: 255, 143, 0;
  --accent-secondary: #0277bd;
  --accent-secondary-darker: #01579b;
  --accent-secondary-rgb: 2, 119, 189;
  --border-primary: #ffcc80;
  --border-secondary: #ffb74d;
  --border-focus: var(--accent-primary);
  --scrollbar-thumb-color: #bcaaa4;
}

body.theme-emerald-forest {
  --bg-main: #e8f5e9;
  --bg-panel: #c8e6c9;
  --bg-panel-secondary: #dceddc;
  --bg-hover: #a5d6a7;
  --bg-active-nav: #2e7d32;
  --text-primary: #1b5e20;
  --text-secondary: #388e3c;
  --text-muted: #66bb6a;
  --text-on-accent: #ffffff;
  --text-on-user-message: #ffffff;
  --accent-primary: #2e7d32;
  --accent-primary-darker: #1b5e20;
  --accent-primary-rgb: 46, 125, 50;
  --accent-secondary: #ffc107;
  --accent-secondary-darker: #ffa000;
  --accent-secondary-rgb: 255, 193, 7;
  --border-primary: #a5d6a7;
  --border-secondary: #81c784;
  --border-focus: var(--accent-primary);
  --scrollbar-thumb-color: #81c784;
}

body.theme-nebula-burst {
  --bg-main: #121212;
  --bg-panel: #1e1e1e;
  --bg-panel-secondary: #1a1a1a;
  --bg-hover: #2c2c2c;
  --bg-active-nav: #bb86fc;
  --text-primary: #e1e1e1;
  --text-secondary: #b0b0b0;
  --text-muted: #757575;
  --text-on-accent: #000000;
  --text-on-user-message: #ffffff;
  --accent-primary: #bb86fc;
  --accent-primary-darker: #a166e4;
  --accent-primary-rgb: 187, 134, 252;
  --accent-secondary: #03dac6;
  --accent-secondary-darker: #01b0a0;
  --accent-secondary-rgb: 3, 218, 198;
  --accent-success: #03dac5;
  --accent-danger: #cf6679;
  --accent-danger-rgb: 207, 102, 121;
  --border-primary: #2c2c2c;
  --border-secondary: #3c3c3c;
  --border-focus: var(--accent-primary);
  --shadow-soft-small: 0 2px 5px rgba(0, 0, 0, 0.3);
  --shadow-soft-medium: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-soft-large: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-interactive: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-interactive-hover: 0 4px 6px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.3);
  --scrollbar-thumb-color: #424242;
}

body.theme-rose-quartz {
  --bg-main: #fff0f5;
  --bg-panel: #ffe4e1;
  --bg-panel-secondary: #faf0e6;
  --bg-hover: #ffdab9;
  --bg-active-nav: #db7093;
  --text-primary: #5d4037;
  --text-secondary: #795548;
  --text-muted: #a1887f;
  --text-on-accent: #ffffff;
  --text-on-user-message: #ffffff;
  --accent-primary: #db7093;
  --accent-primary-darker: #c71585;
  --accent-primary-rgb: 219, 112, 147;
  --accent-secondary: #4682b4;
  --accent-secondary-darker: #4169e1;
  --accent-secondary-rgb: 70, 130, 180;
  --border-primary: #ffdab9;
  --border-secondary: #ffc0cb;
  --border-focus: var(--accent-primary);
  --scrollbar-thumb-color: #d2b48c;
}

.loading-overlay {
  background-color: rgba(var(--bg-panel-rgb, 248, 249, 250), 0.9);
}

body.theme-midnight-sapphire {
  --bg-panel-rgb: 23, 42, 69;
}

body.theme-golden-sands {
  --bg-panel-rgb: 255, 224, 178;
}

body.theme-emerald-forest {
  --bg-panel-rgb: 200, 230, 201;
}

body.theme-nebula-burst {
  --bg-panel-rgb: 30, 30, 30;
}

body.theme-rose-quartz {
  --bg-panel-rgb: 255, 228, 225;
}

body.theme-midnight-sapphire .message-content code:not(pre code) {
  background-color: rgba(var(--accent-primary-rgb), 0.15);
  color: var(--accent-primary);
  border-color: rgba(var(--accent-primary-rgb), 0.4);
}

body.theme-nebula-burst .message-content code:not(pre code) {
  background-color: rgba(var(--accent-secondary-rgb), 0.15);
  color: var(--accent-secondary);
  border-color: rgba(var(--accent-secondary-rgb), 0.4);
}

.conversation-list-item-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-right: 8px;
  border-radius: var(--border-radius-main);
}

.conversation-list-item-container:hover .conversation-item-buttons {
  opacity: 1;
}

.conversation-title-button {
  flex-grow: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conversation-item-buttons {
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.2s ease-in-out;
}

.conversation-action-button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.conversation-action-button:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.conversation-action-button svg {
  width: 16px;
  height: 16px;
}

.title-edit-container {
  display: flex;
  width: 100%;
}

.title-edit-input {
  flex-grow: 1;
  background-color: var(--bg-main);
  color: var(--text-primary);
  border: 1px solid var(--accent-primary);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9rem;
  outline: none;
}

.title-save-btn {
  background-color: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 4px;
  margin-left: 4px;
  cursor: pointer;
  padding: 0 6px;
}

.title-save-btn:hover {
  background-color: var(--accent-primary-darker);
}

#erdTab {
  padding: 0;
  background-color: #ebf1f8;
  flex-direction: column;
  position: relative;
}

#erdDisplayArea {
  flex-grow: 1;
  border: none;
  border-radius: 0;
  background-color: transparent;
  box-shadow: none;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#erdDisplayArea svg {
  display: block;
  width: 100%;
  height: 100%;
}

.erd-loading-message,
.erd-error-message {
  font-size: 1.1rem;
  color: var(--text-muted);
  background-color: var(--bg-main);
  padding: 20px 30px;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-soft-medium);
}

.erd-error-message {
  color: var(--accent-danger);
  border: 1px solid var(--accent-danger);
}

.er-diagram .entity {
  fill: #ffffff !important;
  stroke: #cbd5e1 !important;
  stroke-width: 1px !important;
  rx: 8px;
  ry: 8px;
  box-shadow: var(--shadow-soft-medium);
}

.er-diagram .entity-header {
  fill: #f1f5f9 !important;
  stroke: #cbd5e1 !important;
}

.er-diagram .entity-name {
  font-weight: 600 !important;
  font-family: var(--font-body);
  fill: #1e293b !important;
  font-size: 15px !important;
}

.er-diagram .attribute-box {
  fill: #ffffff !important;
  stroke: #e2e8f0 !important;
}

.er-diagram .attribute-name {
  font-family: var(--font-body);
  fill: #334155 !important;
  font-size: 14px !important;
}

.er-diagram .attribute-key-type,
.er-diagram .attribute-type {
  font-family: var(--font-body);
  fill: #64748b !important;
  font-size: 13px !important;
  text-anchor: end !important;
}

.er-diagram .attribute-pk .attribute-name {
  font-weight: 600 !important;
  fill: #2563eb !important;
}

.er-diagram .er-relationship-line {
  stroke: #94a3b8 !important;
  stroke-width: 1.5px !important;
}

.er-diagram .er-relationship-text {
  fill: #475569 !important;
  font-size: 11px !important;
  font-style: normal !important;
  font-family: var(--font-body);
}

.svg-pan-zoom-control-background {
  fill: white !important;
  stroke: var(--border-color) !important;
  rx: 8px !important;
  ry: 8px !important;
  box-shadow: var(--shadow-md);
}

.svg-pan-zoom-control-element {
  fill: var(--text-secondary) !important;
}

.svg-pan-zoom-control-element:hover {
  fill: var(--text-dark) !important;
}

/* === AI Workflow Progress Indicator === */
.message-wrapper.typing-indicator {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.message-wrapper.typing-indicator .message-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  min-width: 320px;
  max-width: 420px;
  background: linear-gradient(145deg, var(--bg-main) 0%, var(--bg-panel) 100%);
  border: 1px solid rgba(var(--accent-primary-rgb), 0.25);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(var(--accent-primary-rgb), 0.1);
}

.message-wrapper.typing-indicator .ai-thinking-content {
  display: flex;
  flex-direction: column;
}

/* Workflow Header */
.ai-workflow-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.1) 0%, rgba(var(--accent-secondary-rgb), 0.05) 100%);
  border-bottom: 1px solid rgba(var(--accent-primary-rgb), 0.15);
}

.ai-avatar {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-avatar .avatar-icon {
  font-size: 1.5rem;
  z-index: 2;
  position: relative;
}

.ai-avatar .avatar-pulse {
  position: absolute;
  inset: 0;
  background: rgba(var(--accent-primary-rgb), 0.3);
  border-radius: 50%;
  animation: avatar-pulse 2s infinite ease-out;
}

@keyframes avatar-pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }

  50% {
    transform: scale(1.3);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 0;
  }
}

.ai-workflow-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-workflow-title .title-text {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.ai-workflow-title .title-status {
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-weight: 500;
}

/* Stop Request Button - Modern Premium Design */
.stop-request-btn {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 50%, #dc4444 100%);
  border: none;
  border-radius: 20px;
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 2px 8px rgba(220, 68, 68, 0.3),
    0 1px 3px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.stop-request-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.2) 50%,
      transparent 100%);
  transition: left 0.5s ease;
}

.stop-request-btn:hover {
  background: linear-gradient(135deg, #ff5252 0%, #e53935 50%, #c62828 100%);
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 6px 20px rgba(220, 68, 68, 0.4),
    0 2px 6px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.stop-request-btn:hover::before {
  left: 100%;
}

.stop-request-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow:
    0 2px 8px rgba(220, 68, 68, 0.3),
    inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stop-request-btn svg {
  flex-shrink: 0;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
}

/* Pulsing animation when visible */
@keyframes stopBtnPulse {

  0%,
  100% {
    box-shadow:
      0 2px 8px rgba(220, 68, 68, 0.3),
      0 1px 3px rgba(0, 0, 0, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }

  50% {
    box-shadow:
      0 4px 16px rgba(220, 68, 68, 0.5),
      0 2px 6px rgba(0, 0, 0, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.25);
  }
}

.stop-request-btn {
  animation: stopBtnPulse 2s ease-in-out infinite;
}

.stop-request-btn:hover {
  animation: none;
}

/* === Stopping Animation Indicator - Creative Modern Design === */
.message-wrapper.stopping-indicator {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.message-wrapper.stopping-indicator .message-content {
  padding: 0;
  min-width: 300px;
  max-width: 360px;
  background: linear-gradient(135deg,
      rgba(239, 68, 68, 0.05) 0%,
      rgba(220, 38, 38, 0.02) 50%,
      rgba(239, 68, 68, 0.05) 100%);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 4px 24px rgba(239, 68, 68, 0.15),
    0 0 0 1px rgba(239, 68, 68, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
}

.stopping-content {
  padding: 24px 28px;
}

.stopping-animation {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Visual container with rings and center */
.stopping-visual {
  position: relative;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stopping-rings {
  position: absolute;
  inset: 0;
}

.stopping-rings .ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}

.stopping-rings .ring-1 {
  border-top-color: #ef4444;
  border-right-color: rgba(239, 68, 68, 0.5);
  animation: ringSpin1 1.2s linear infinite;
}

.stopping-rings .ring-2 {
  inset: 6px;
  border-bottom-color: #f97316;
  border-left-color: rgba(249, 115, 22, 0.4);
  animation: ringSpin2 1.5s linear infinite reverse;
}

.stopping-rings .ring-3 {
  inset: 12px;
  border-top-color: #fbbf24;
  border-right-color: rgba(251, 191, 36, 0.3);
  animation: ringSpin1 2s linear infinite;
}

@keyframes ringSpin1 {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes ringSpin2 {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.stopping-center {
  z-index: 2;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
  animation: centerPulse 1.5s ease-in-out infinite;
}

@keyframes centerPulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
  }

  50% {
    transform: scale(0.92);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
  }
}

.stopping-center svg {
  width: 20px;
  height: 20px;
}

/* Floating particles */
.stopping-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stopping-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #ef4444;
  border-radius: 50%;
  opacity: 0.6;
}

.stopping-particles .particle:nth-child(1) {
  top: 0;
  left: 50%;
  animation: particleFloat 2s ease-in-out infinite;
}

.stopping-particles .particle:nth-child(2) {
  top: 50%;
  right: 0;
  animation: particleFloat 2s ease-in-out 0.5s infinite;
}

.stopping-particles .particle:nth-child(3) {
  bottom: 0;
  left: 50%;
  animation: particleFloat 2s ease-in-out 1s infinite;
}

.stopping-particles .particle:nth-child(4) {
  top: 50%;
  left: 0;
  animation: particleFloat 2s ease-in-out 1.5s infinite;
}

@keyframes particleFloat {

  0%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0.6;
  }

  50% {
    transform: translateY(-6px) scale(1.2);
    opacity: 1;
  }
}

/* Text styling */
.stopping-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stopping-label {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(90deg, #ef4444, #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stopping-status {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.wave-dots {
  display: inline;
}

.wave-dots span {
  display: inline-block;
  animation: waveDot 1.4s ease-in-out infinite;
  color: var(--accent-primary);
  font-weight: bold;
}

.wave-dots span:nth-child(1) {
  animation-delay: 0s;
}

.wave-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.wave-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes waveDot {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }

  30% {
    transform: translateY(-3px);
    opacity: 1;
  }
}

/* Progress Section */
.ai-progress-section {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bg-main);
}

.ai-progress-bar-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-hover);
  border-radius: 3px;
  overflow: visible;
  position: relative;
}

.ai-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border-radius: 3px;
  width: 0%;
  transition: width 0.5s ease-out;
  position: relative;
}

.ai-progress-glow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, rgba(var(--accent-primary-rgb), 0.6) 0%, transparent 70%);
  border-radius: 50%;
  animation: progress-glow 1.5s infinite ease-in-out;
}

@keyframes progress-glow {

  0%,
  100% {
    opacity: 0.5;
    transform: translateY(-50%) scale(1);
  }

  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
  }
}

.progress-percentage {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  min-width: 36px;
  text-align: right;
}

/* Stage Indicator */
.ai-stage-indicator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.stage-dots {
  display: flex;
  gap: 6px;
}

.stage-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-hover);
  border: 2px solid var(--border-primary);
  transition: all 0.3s ease;
}

.stage-dot.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 8px rgba(var(--accent-primary-rgb), 0.5);
}

.stage-dot.completed {
  background: var(--accent-success);
  border-color: var(--accent-success);
}

.stage-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: opacity 0.2s ease;
}

/* Current Action */
.ai-current-action {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(var(--accent-primary-rgb), 0.06);
  border-top: 1px solid rgba(var(--accent-primary-rgb), 0.1);
}

.action-icon-container {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.15) 0%, rgba(var(--accent-secondary-rgb), 0.1) 100%);
  border-radius: var(--border-radius-main);
}

.action-icon {
  font-size: 1.6rem;
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.action-sub-icon {
  position: absolute;
  bottom: -4px;
  right: -4px;
  font-size: 0.9rem;
  background: var(--bg-main);
  border-radius: 50%;
  padding: 2px;
  transition: opacity 0.2s ease;
}

.action-text-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: opacity 0.2s ease;
}

.action-dots {
  display: flex;
  gap: 4px;
}

.action-dots span {
  width: 4px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: action-dots 1.4s infinite ease-in-out;
}

.action-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.action-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes action-dots {

  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: scale(0.8);
  }

  30% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* Time Elapsed */
.ai-time-elapsed {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-primary);
}

.ai-time-elapsed .time-icon {
  font-size: 0.85rem;
}

.ai-time-elapsed .time-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

/* Legacy animations - keep for compatibility */
.thinking-pulse {
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50%;
  animation: thinking-pulse 1.4s infinite ease-in-out;
}

@keyframes thinking-pulse {

  0%,
  100% {
    transform: scale(0.8);
    opacity: 0.4;
  }

  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}

@keyframes typing-bounce {

  0%,
  80%,
  100% {
    transform: scale(0.5);
    opacity: 0.5;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 1024px) {
  /* Tablet and smaller */
}

@media (max-width: 768px) {

  /* Smaller tablets and mobile */
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    height: 100vh;
    width: 280px;
    z-index: 1000;
    box-shadow: var(--shadow-soft-large);
  }

  .sidebar.open {
    left: 0;
  }

  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 999;
    display: none;
  }

  .sidebar-overlay.active {
    display: block;
  }

  .mobile-menu-toggle {
    display: flex;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 998;
    background-color: var(--accent-primary);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--border-radius-main);
    padding: 10px;
    box-shadow: var(--shadow-soft-medium);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
  }

  .mobile-menu-toggle:hover {
    background-color: var(--accent-primary-darker);
    transform: scale(1.05);
  }

  .mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
  }

  .minimal-user-bar {
    padding: 6px 8px;
    gap: 8px;
  }

  .user-avatar {
    width: 28px;
    height: 28px;
  }

  .user-avatar svg {
    width: 16px;
    height: 16px;
  }

  .user-details strong {
    font-size: 0.8rem;
  }

  .db-badge {
    font-size: 0.6rem;
    padding: 1px 4px;
  }

  .minimal-logout-btn {
    width: 28px;
    height: 28px;
  }

  .minimal-logout-btn svg {
    width: 14px;
    height: 14px;
  }

  .messages-container {
    padding: 20px 16px;
  }

  .message-wrapper {
    max-width: 95%;
  }

  .input-area {
    padding: 12px 16px;
  }

  .input-field-wrapper {
    padding: 6px 10px;
    min-height: 50px;
  }

  .input-field-wrapper textarea {
    padding: 8px;
    font-size: 0.9rem;
    max-height: 90px;
  }

  .input-field-wrapper button#sendButton,
  .input-field-wrapper button#voiceInputButton {
    width: 40px;
    height: 40px;
  }

  .input-field-wrapper button#voiceInputButton {
    margin-left: 8px;
  }

  .input-field-wrapper button#sendButton {
    margin-left: 6px;
  }

  .suggestion-chip {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  #visualizationsTab.active {
    padding: 16px;
    gap: 16px;
  }

  .visualization-card {
    width: 100%;
    max-width: none;
    padding: 16px;
  }

  .tab-navigation {
    padding: 8px 16px 0;
  }
}

@media (max-width: 600px) {

  /* Smaller mobile phones */
  .sidebar {
    width: 260px;
    left: -260px;
  }

  .sidebar-header {
    padding-bottom: 12px;
  }

  .sidebar-header h1 {
    font-size: 1.2rem;
  }

  .sidebar-nav .nav-button,
  .sidebar-actions .action-button {
    font-size: 0.85rem;
    padding: 10px 12px;
  }

  .sidebar-nav .nav-button svg,
  .sidebar-actions .action-button svg {
    width: 16px;
    height: 16px;
    margin-right: 10px;
  }

  .minimal-user-bar {
    padding: 6px;
    gap: 6px;
  }

  .user-avatar {
    width: 26px;
    height: 26px;
  }

  .user-avatar svg {
    width: 14px;
    height: 14px;
  }

  .user-details strong {
    font-size: 0.75rem;
  }

  .db-badge {
    font-size: 0.55rem;
    padding: 1px 3px;
  }

  .minimal-logout-btn {
    width: 26px;
    height: 26px;
  }

  .minimal-logout-btn svg {
    width: 12px;
    height: 12px;
  }

  .tab-navigation a.tab-button {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
  }

  .tab-navigation {
    overflow-x: auto;
    white-space: nowrap;
    padding: 6px 12px 0;
    gap: 8px;
  }

  .tab-button {
    padding: 10px 14px;
    font-size: 0.85rem;
  }

  .tab-button svg {
    margin-right: 5px;
    width: 16px;
    height: 16px;
  }

  .messages-container {
    padding: 16px 12px;
    gap: 18px;
  }

  .message-content {
    padding: 14px 18px;
    font-size: 0.9rem;
  }
}

/* === TOAST NOTIFICATIONS === */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: white;
  border-radius: var(--border-radius-main);
  box-shadow: var(--shadow-soft-large);
  padding: 16px 20px;
  min-width: 300px;
  max-width: 500px;
  opacity: 0;
  transform: translateX(400px);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 10000;
  border-left: 4px solid var(--accent-primary);
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

/* === TOAST CONTENT STYLES === */
.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-icon {
  font-size: 20px;
  font-weight: bold;
  flex-shrink: 0;
}

.toast-message {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
}

.toast-success {
  border-left-color: var(--accent-success);
}

.toast-success .toast-icon {
  color: var(--accent-success);
}

.toast-error {
  border-left-color: var(--accent-danger);
}

.toast-error .toast-icon {
  color: var(--accent-danger);
}

.toast-info {
  border-left-color: var(--accent-secondary);
}

.toast-info .toast-icon {
  color: var(--accent-secondary);
}

@media (max-width: 768px) {
  .toast {
    right: 10px;
    left: 10px;
    min-width: unset;
    max-width: unset;
  }
}

/* === VISUALIZATION LOADING CARD === */
.viz-loading-card {
  background: linear-gradient(135deg,
      rgba(var(--accent-primary-rgb), 0.08) 0%,
      rgba(var(--accent-secondary-rgb), 0.05) 100%);
  border: 2px solid transparent;
  border-radius: var(--border-radius-xl);
  padding: 48px 36px;
  margin: 24px;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(var(--accent-primary-rgb), 0.1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.viz-loading-card.active {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.viz-loading-card.removing {
  opacity: 0;
  transform: scale(0.9) translateY(-20px);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Animated gradient background */
.viz-loading-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg,
      rgba(var(--accent-primary-rgb), 0.1),
      rgba(var(--accent-secondary-rgb), 0.08),
      rgba(var(--accent-primary-rgb), 0.12),
      rgba(var(--accent-secondary-rgb), 0.06));
  background-size: 400% 400%;
  animation: vizGradientFlow 8s ease infinite;
  border-radius: inherit;
  z-index: 0;
}

@keyframes vizGradientFlow {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

/* Shimmer effect overlay */
.viz-loading-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.3) 50%,
      transparent 100%);
  animation: vizShimmer 2.5s infinite;
  z-index: 1;
}

@keyframes vizShimmer {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

.viz-loading-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* Rotating rings animation container */
.viz-loading-animation {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viz-loading-rings {
  position: absolute;
  width: 100%;
  height: 100%;
}

.viz-ring {
  position: absolute;
  border-radius: 50%;
  border: 3px solid transparent;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.viz-ring-1 {
  width: 100%;
  height: 100%;
  border-top-color: var(--accent-primary);
  border-right-color: var(--accent-primary);
  animation: vizRingRotate 2s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
  opacity: 0.8;
}

.viz-ring-2 {
  width: 75%;
  height: 75%;
  border-bottom-color: var(--accent-secondary);
  border-left-color: var(--accent-secondary);
  animation: vizRingRotate 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite reverse;
  opacity: 0.6;
}

.viz-ring-3 {
  width: 50%;
  height: 50%;
  border-top-color: var(--accent-primary-darker);
  border-right-color: var(--accent-primary-darker);
  animation: vizRingRotate 1s linear infinite;
  opacity: 0.4;
}

@keyframes vizRingRotate {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Chart icon in center */
.viz-loading-icon {
  position: relative;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-radius: var(--border-radius-large);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 8px 24px rgba(var(--accent-primary-rgb), 0.4),
    inset 0 2px 0 rgba(255, 255, 255, 0.3);
  animation: vizIconPulse 2s ease-in-out infinite;
  z-index: 3;
}

.viz-loading-icon svg {
  width: 36px;
  height: 36px;
  color: white;
  stroke-width: 2.5;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
  animation: vizIconFloat 3s ease-in-out infinite;
}

@keyframes vizIconPulse {

  0%,
  100% {
    transform: scale(1);
    box-shadow:
      0 8px 24px rgba(var(--accent-primary-rgb), 0.4),
      inset 0 2px 0 rgba(255, 255, 255, 0.3);
  }

  50% {
    transform: scale(1.1);
    box-shadow:
      0 12px 32px rgba(var(--accent-primary-rgb), 0.6),
      inset 0 2px 0 rgba(255, 255, 255, 0.4);
  }
}

@keyframes vizIconFloat {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-6px);
  }
}

/* Text content */
.viz-loading-text {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 450px;
}

.viz-loading-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  animation: vizTextGlow 2s ease-in-out infinite;
}

@keyframes vizTextGlow {

  0%,
  100% {
    opacity: 0.9;
  }

  50% {
    opacity: 1;
  }
}

.viz-loading-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
  font-weight: 500;
}

/* Progress bar */
.viz-loading-progress {
  width: 100%;
  height: 6px;
  background: rgba(var(--accent-primary-rgb), 0.15);
  border-radius: var(--border-radius-pill);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.viz-progress-bar {
  height: 100%;
  background: linear-gradient(90deg,
      var(--accent-primary),
      var(--accent-secondary),
      var(--accent-primary));
  background-size: 200% 100%;
  border-radius: inherit;
  animation: vizProgressFlow 2s linear infinite;
  box-shadow: 0 0 10px rgba(var(--accent-primary-rgb), 0.5);
  position: relative;
}

/* Glowing effect on progress bar */
.viz-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.6) 50%,
      transparent 100%);
  animation: vizProgressShine 1.5s infinite;
}

@keyframes vizProgressFlow {
  0% {
    background-position: 0% 50%;
  }

  100% {
    background-position: 200% 50%;
  }
}

@keyframes vizProgressShine {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

/* Loading dots */
.viz-loading-dots {
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 8px 0;
}

.viz-dot {
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-darker));
  border-radius: 50%;
  animation: vizDotBounce 1.4s ease-in-out infinite;
  box-shadow: 0 2px 8px rgba(var(--accent-primary-rgb), 0.4);
}

.viz-dot:nth-child(1) {
  animation-delay: 0s;
}

.viz-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.viz-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes vizDotBounce {

  0%,
  60%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0.7;
  }

  30% {
    transform: translateY(-16px) scale(1.2);
    opacity: 1;
    box-shadow: 0 4px 12px rgba(var(--accent-primary-rgb), 0.6);
  }
}

/* Responsive design */
@media (max-width: 768px) {
  .viz-loading-card {
    padding: 36px 24px;
    margin: 16px;
  }

  .viz-loading-animation {
    width: 140px;
    height: 140px;
  }

  .viz-loading-icon {
    width: 52px;
    height: 52px;
  }

  .viz-loading-icon svg {
    width: 28px;
    height: 28px;
  }

  .viz-loading-title {
    font-size: 1.3rem;
  }

  .viz-loading-subtitle {
    font-size: 0.9rem;
  }
}

/* Dark mode support */
[data-theme='dark'] .viz-loading-card {
  background: linear-gradient(135deg,
      rgba(var(--accent-primary-rgb), 0.12) 0%,
      rgba(var(--accent-secondary-rgb), 0.08) 100%);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(var(--accent-primary-rgb), 0.2);
}

[data-theme='dark'] .viz-loading-subtitle {
  color: var(--text-muted);
}


/* === VISUALIZATION LOADING CARD === */
.viz-loading-card {
  background: linear-gradient(135deg,
      rgba(var(--accent-primary-rgb), 0.08) 0%,
      rgba(var(--accent-secondary-rgb), 0.05) 100%);
  border: 2px solid transparent;
  border-radius: var(--border-radius-xl);
  padding: 48px 36px;
  margin: 24px;
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(var(--accent-primary-rgb), 0.1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}