/* CSS Variables for Premium Dark-Glass Theme */
:root {
  --font-main: 'Inter', sans-serif;
  --font-title: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Color Palette */
  --bg-primary: #0a0e17;
  --bg-secondary: #101626;
  --bg-glass: rgba(16, 22, 38, 0.65);
  --bg-glass-hover: rgba(25, 34, 58, 0.8);
  --bg-input: rgba(8, 12, 22, 0.8);
  
  --border-glass: rgba(255, 255, 255, 0.07);
  --border-glass-active: rgba(0, 242, 254, 0.3);

  /* Accents - Tech Cyan & Deep Violet */
  --accent-cyan: #00f2fe;
  --accent-blue: #0070f3;
  --accent-purple: #9d4edd;
  --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --accent-gradient-purple: linear-gradient(135deg, #7b2cbf 0%, #9d4edd 100%);
  --accent-gradient-glow: linear-gradient(135deg, rgba(0, 242, 254, 0.15) 0%, rgba(157, 78, 221, 0.15) 100%);
  
  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --text-link: #38bdf8;
  
  /* Statuses */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;

  /* Shadows & Radius */
  --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.25);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(123, 44, 191, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(0, 242, 254, 0.08) 0px, transparent 50%);
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
  background: var(--border-glass);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* App Container Layout */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}

/* Sidebar Styling */
.sidebar {
  width: 320px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  backdrop-filter: blur(20px);
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 32px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.4));
}

.logo-area h2 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  align-self: flex-start;
  font-size: 11px;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

.status-dot.active {
  background-color: var(--success);
  color: var(--success);
}
.status-dot.warning {
  background-color: var(--warning);
  color: var(--warning);
}
.status-dot.error {
  background-color: var(--danger);
  color: var(--danger);
}

.sidebar-section {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  overflow: hidden;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.section-title h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.schema-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(0, 0, 0, 0.2);
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 12px;
  border-left: 3px solid var(--accent-purple);
}

.meta-item {
  display: flex;
  justify-content: space-between;
}

.meta-label {
  color: var(--text-muted);
}

.meta-val {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  word-break: break-all;
}

.search-box {
  position: relative;
  margin-bottom: 16px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
}

.search-box input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 12px 10px 38px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

.schema-browser {
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
}

/* Collapsible Table Nodes */
.table-node {
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.01);
  overflow: hidden;
  transition: var(--transition);
}

.table-node:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.12);
}

.table-node.active {
  border-color: var(--accent-purple);
}

.table-header {
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.table-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.table-icon {
  font-size: 18px;
  color: var(--accent-purple);
}

.table-name {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  font-family: var(--font-mono);
}

.col-count {
  font-size: 10px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 10px;
}

.chevron {
  font-size: 18px;
  color: var(--text-muted);
  transition: var(--transition);
}

.table-node.open .chevron {
  transform: rotate(180deg);
  color: var(--text-primary);
}

.table-columns {
  display: none;
  padding: 8px 12px 12px 34px;
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--border-glass);
  flex-direction: column;
  gap: 8px;
}

.table-node.open .table-columns {
  display: flex;
}

.col-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-family: var(--font-mono);
}

.col-name {
  color: var(--text-secondary);
}

.col-type {
  font-size: 10px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--border-glass);
}

/* Main Content Area Styling */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 30px;
  background-color: transparent;
  gap: 24px;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
}

.welcome-msg h1 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* Button UI */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #000;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-glow {
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  padding: 6px;
  transition: var(--transition);
}

.btn-icon:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* AI Suggestions Section */
.suggestions-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-main);
  animation: slideDown 0.4s ease-out;
}

.suggestions-panel.hidden {
  display: none !important;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-icon {
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 5px rgba(0, 242, 254, 0.5));
}

.suggestions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

/* Suggestion Card */
.suggestion-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
}

.suggestion-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.card-badge {
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
  letter-spacing: 0.5px;
}

.card-badge.kpi {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.card-badge.chart {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.card-badge.report {
  background: rgba(157, 78, 221, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(157, 78, 221, 0.3);
}

.suggestion-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
}

.suggestion-card p {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.4;
  flex-grow: 1;
}

.suggestion-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

.btn-sql-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-link);
  background: transparent;
  border: none;
  cursor: pointer;
  outline: none;
}

.btn-sql-toggle:hover {
  text-decoration: underline;
}

.sql-container {
  display: none;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-x: auto;
  color: var(--text-secondary);
  max-height: 120px;
}

.sql-container.open {
  display: block;
}

/* Dashboard Live Grid */
.dashboard-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.dashboard-header-bar h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  min-height: 300px;
}

/* Empty Dashboard State */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  background: var(--bg-glass);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-lg);
  text-align: center;
  backdrop-filter: blur(20px);
}

.empty-icon-container {
  width: 70px;
  height: 70px;
  background: var(--accent-gradient-glow);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-cyan);
}

.empty-icon-container span {
  font-size: 36px;
  filter: drop-shadow(0 0 5px rgba(0, 242, 254, 0.4));
}

.empty-state h4 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 13.5px;
  max-width: 420px;
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Active Dashboard Card Widgets */
.dashboard-widget {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 320px;
  backdrop-filter: blur(25px);
  box-shadow: var(--shadow-main);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.dashboard-widget:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.widget-title-group h4 {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 600;
}

.widget-title-group p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.widget-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.widget-body {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  height: calc(100% - 40px);
}

/* KPI Card Custom Rendering */
.dashboard-widget.kpi-widget {
  min-height: 150px;
  height: 160px;
  background-image: var(--accent-gradient-glow);
}

.kpi-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.kpi-val {
  font-family: var(--font-title);
  font-size: 42px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.3));
}

/* Report Table Styling inside widgets */
.report-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
}

.report-table th {
  background: rgba(0, 0, 0, 0.2);
  padding: 10px 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-glass);
  font-family: var(--font-mono);
}

.report-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.report-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Floating QA Assistant Sidebar Widget */
.chat-assistant-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 380px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 100;
  transition: var(--transition);
  border-bottom: 3px solid var(--accent-cyan);
}

.chat-header {
  padding: 16px 20px;
  background: var(--bg-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.chat-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-icon {
  color: var(--accent-cyan);
  font-size: 24px;
}

.chat-title h4 {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 600;
}

.chat-status {
  font-size: 11px;
  color: var(--text-muted);
}

.toggle-chevron {
  color: var(--text-secondary);
  transition: var(--transition);
}

.chat-assistant-container.expanded .toggle-chevron {
  transform: rotate(180deg);
}

.chat-body {
  height: 480px;
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.1);
}

.chat-body.hidden {
  display: none;
}

.chat-messages {
  flex-grow: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Chat Bubbles */
.message {
  display: flex;
  gap: 10px;
  max-width: 85%;
  align-self: flex-start;
}

.message.user-msg {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-glass);
}

.message.user-msg .msg-avatar {
  background: var(--accent-gradient-purple);
}

.msg-avatar span {
  font-size: 16px;
}

.msg-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  padding: 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.message.user-msg .msg-content {
  background: rgba(157, 78, 221, 0.15);
  border-color: rgba(157, 78, 221, 0.25);
  border-radius: var(--radius-md) 0 var(--radius-md) var(--radius-md);
  color: var(--text-primary);
}

.prompt-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.chat-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 4px 10px;
  font-size: 10.5px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.chat-chip:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

/* Inside-chat query display style */
.chat-sql-viewer {
  margin-top: 8px;
  background: #060913;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  overflow-x: auto;
}

.chat-sql-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  font-size: 9.5px;
  color: var(--text-muted);
}

.chat-sql-btn-run {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  font-size: 10px;
  cursor: pointer;
}

.chat-sql-btn-run:hover {
  text-decoration: underline;
}

.chat-table-container {
  margin-top: 8px;
  max-height: 140px;
  overflow-y: auto;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
}

/* Input typing zone */
.chat-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary);
}

.chat-input-area textarea {
  flex-grow: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 12.5px;
  outline: none;
  resize: none;
  font-family: var(--font-main);
  max-height: 80px;
  transition: var(--transition);
}

.chat-input-area textarea:focus {
  border-color: var(--accent-cyan);
}

.btn-send {
  background: var(--accent-gradient);
  border: none;
  color: #000;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}

.btn-send:hover {
  transform: scale(1.05);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal.hidden {
  display: none !important;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-main);
  overflow: hidden;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 20px;
}

.modal-body pre {
  background: #070b13;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  overflow-x: auto;
}

.modal-body code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: flex-end;
}

/* Toasts */
#toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-left: 4px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  color: var(--text-primary);
  font-size: 13px;
  min-width: 250px;
  box-shadow: var(--shadow-main);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInLeft 0.3s ease-out;
}

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

/* Keyframes animations */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Spinner */
.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 12px;
  color: var(--text-muted);
  font-size: 12px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid rgba(255,255,255,0.05);
  border-top: 3px solid var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Keyframes spin animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Hidden Class Utility */
.hidden {
  display: none !important;
}

/* Dual Pane Chat Panel Styles */
.chat-assistant-container.expanded {
  width: 720px;
}

.chat-pane-container {
  display: flex;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

/* Left Pane: Chat Sessions History */
.chat-history-sidebar {
  width: 220px;
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  padding: 12px;
  flex-shrink: 0;
}

.btn-new-chat-session {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-new-chat-session:hover {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.chat-conversations-list {
  flex-grow: 1;
  overflow-y: auto;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 2px;
}

.chat-session-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
}

.chat-session-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glass);
  color: var(--text-primary);
}

.chat-session-item.active {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 500;
}

.chat-session-title {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  flex-grow: 1;
  margin-right: 8px;
}

.btn-delete-session {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: 4px;
  transition: var(--transition);
}

.btn-delete-session:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.chat-history-loading {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

/* Right Pane: Active Chat Area */
.chat-active-panel {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.01);
}

/* Sidebar Quick Chat Action Button */
.table-header {
  position: relative;
}

.table-title-group {
  max-width: 80%;
}

.btn-table-query {
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 50%;
  transition: var(--transition);
  margin-left: auto;
}

.table-header:hover .btn-table-query {
  display: flex;
}

.btn-table-query:hover {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
}

/* Report Modal Custom Styles */
.report-modal-content {
  max-width: 850px;
  height: 80vh;
  display: flex;
  flex-direction: column;
}

.report-modal-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 30px;
  background: rgba(0, 0, 0, 0.2);
}

/* Markdown Styling inside report modal */
.markdown-content h1 {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 10px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 10px;
}

.markdown-content h2 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-purple);
  margin-top: 24px;
  margin-bottom: 12px;
}

.markdown-content h3 {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 18px;
  margin-bottom: 8px;
}

.markdown-content p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.markdown-content ul, .markdown-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.markdown-content li {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.markdown-content strong {
  color: var(--text-primary);
}

/* Connection Configuration Sidebar Styling */
.connection-config-section {
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 20px;
}

.connection-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

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

.connection-form label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.connection-form input {
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 12.5px;
  font-family: var(--font-mono);
  outline: none;
  transition: var(--transition);
}

.connection-form input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

.connection-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.btn-reconnect {
  flex: 1;
  justify-content: center;
  align-items: center;
  font-size: 11.5px;
  padding: 10px 4px;
  margin-top: 0;
  white-space: nowrap;
}