/* ============================================
   AI Spreadsheet Generator — Premium Dark Theme
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg-primary: #07070d;
  --bg-secondary: #0f0f18;
  --bg-panel: rgba(15, 15, 28, 0.7);
  --bg-panel-solid: #12121f;
  --bg-hover: rgba(255, 255, 255, 0.04);
  --bg-active: rgba(255, 255, 255, 0.08);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.15);
  --text-primary: #e8e8ed;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  --accent-primary: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-glow: rgba(124, 58, 237, 0.15);
  --orb-glow-1: rgba(139, 92, 246, 0.4);
  --orb-glow-2: rgba(99, 102, 241, 0.3);
  --grid-color: rgba(18, 18, 32, 0.3);
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --font-family: 'Inter', -apple-system, system-ui, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --glass-blur: blur(20px);
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-primary);
  font-family: var(--font-family);
  color: var(--text-primary);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- App Layout --- */
.app {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* --- Header --- */
.app-header {
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  backdrop-filter: var(--glass-blur);
}

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

.sidebar-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  margin-right: 4px;
}

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

.sidebar-toggle-btn svg {
  transition: transform var(--transition-normal);
}

.sidebar-toggle-btn:active {
  transform: scale(0.95);
}

.sidebar-collapsed .sidebar-toggle-btn {
  color: var(--accent-primary);
}

.logo-icon {
  font-size: 24px;
}

.brand-wrapper {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-powered {
  font-size: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  opacity: 0.85;
}

.api-key-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.api-key-wrapper {
  display: flex;
  gap: 6px;
}

#api-key-input {
  background: var(--bg-active);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  width: 200px;
  outline: none;
  transition: border-color var(--transition-fast);
}

#api-key-input:focus {
  border-color: var(--accent-primary);
}

#save-key-btn {
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

#save-key-btn:hover {
  opacity: 0.85;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--error);
  transition: background var(--transition-fast);
}

.status-dot.connected {
  background: var(--success);
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* --- Project Sidebar --- */
.project-sidebar {
  width: 230px;
  min-width: 230px;
  display: flex;
  flex-direction: column;
  background: rgba(8, 8, 16, 0.85);
  border-right: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  transition: width var(--transition-normal), min-width var(--transition-normal), opacity var(--transition-normal), border-right-color var(--transition-normal);
  overflow: hidden;
}

.project-sidebar.collapsed {
  width: 0;
  min-width: 0;
  opacity: 0;
  border-right-color: transparent;
  pointer-events: none;
}

.sidebar-header {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}

.new-chat-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-active);
  border-radius: 10px;
  background: var(--bg-hover);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.new-chat-btn:hover {
  background: var(--bg-active);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.new-chat-btn svg {
  flex-shrink: 0;
}

.project-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.project-list::-webkit-scrollbar { width: 4px; }
.project-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.project-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  margin-bottom: 2px;
}

.project-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.project-item.active {
  background: var(--accent-glow);
  border: 1px solid var(--border-active);
}

.project-item:not(.active) {
  border: 1px solid transparent;
}

.project-icon {
  font-size: 16px;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 58, 237, 0.1);
  border-radius: 6px;
}

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

.project-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-date {
  font-size: 10px;
  color: var(--text-muted);
}

.project-delete {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.15s;
}

.project-item:hover .project-delete {
  opacity: 1;
}

.project-delete:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

/* --- Chat Panel --- */
.chat-panel {
  width: 380px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
}

.panel-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.panel-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.header-action-btn {
  background: var(--bg-active);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.header-action-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  background: var(--bg-hover);
  box-shadow: 0 0 8px var(--accent-glow);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-active) transparent;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

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

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--bg-active);
  border-radius: 3px;
}

/* --- Welcome Message --- */
.welcome-message {
  text-align: center;
  padding: 30px 16px;
}

.welcome-message h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.welcome-message p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.suggestions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.suggestion-chip {
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.suggestion-chip:hover {
  background: var(--bg-active);
  border-color: var(--border-active);
}

/* --- Chat Messages --- */
.chat-message {
  max-width: 90%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

.chat-message.user {
  align-self: flex-end;
  background: var(--accent-primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-message.assistant {
  align-self: flex-start;
  background: var(--bg-panel-solid);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

.chat-message.error {
  align-self: center;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  font-size: 12px;
}

/* --- Chat Input Area --- */
.chat-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.file-upload-area {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.upload-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.file-preview {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.file-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-active);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: 11px;
  color: var(--text-secondary);
}

.file-chip-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-chip-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  margin-left: 2px;
}

.file-chip-remove:hover {
  color: var(--error);
}

.message-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

#user-input {
  flex: 1;
  background: var(--bg-active);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  resize: none;
  max-height: 120px;
  outline: none;
  transition: border-color var(--transition-fast);
}

#user-input:focus {
  border-color: var(--accent-primary);
}

.send-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.send-btn:hover {
  opacity: 0.85;
}

.send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* --- Spreadsheet Panel --- */
.spreadsheet-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  overflow: hidden;
}

.spreadsheet-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  min-height: 44px;
}

.sheet-tabs-wrapper {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  overflow: hidden;
  min-width: 0;
}

.sheet-tabs {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  user-select: none;
}

.sheet-tabs::-webkit-scrollbar {
  display: none;
}

.sheet-tabs.dragging {
  cursor: grabbing;
  scroll-behavior: auto !important;
}

.tabs-nav-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  user-select: none;
}

.tabs-nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.tabs-nav-btn:active {
  background: var(--bg-active);
}

.sheet-tab {
  padding: 6px 16px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.sheet-tab:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sheet-tab.active {
  background: var(--bg-panel-solid);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.toolbar-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.download-btn:hover {
  opacity: 0.85;
}

.download-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.upload-btn-secondary {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.upload-btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(100, 100, 255, 0.1);
}

.upload-btn-secondary:active {
  background: var(--bg-active);
}

/* --- Spreadsheet Container --- */
.spreadsheet-container {
  flex: 1;
  overflow: auto;
  padding: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-active) transparent;
}

.spreadsheet-container::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

.spreadsheet-container::-webkit-scrollbar-thumb {
  background: var(--bg-active);
  border-radius: 3px;
}

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

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 13px;
  max-width: 300px;
}

/* --- Loading Indicator --- */
.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-indicator p {
  color: var(--text-secondary);
  font-size: 13px;
}

/* --- Spreadsheet Table --- */
.spreadsheet-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  animation: fadeIn 0.4s ease;
  border: 1px solid var(--border-color);
}

.spreadsheet-table thead th {
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.spreadsheet-table tbody td {
  padding: 8px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  transition: background var(--transition-fast);
  outline: none;
  min-width: 80px;
}

.spreadsheet-table tbody td:last-child {
  border-right: none;
}

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

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

.spreadsheet-table tbody td:focus {
  box-shadow: inset 0 0 0 2px var(--accent-primary);
  background: rgba(124, 58, 237, 0.05);
}

.spreadsheet-table tbody td.cell-editing {
  box-shadow: inset 0 0 0 2px var(--accent-primary);
}

/* --- Formula Cell Indicator --- */
.spreadsheet-table tbody td.formula-cell {
  position: relative;
  cursor: help;
}

.spreadsheet-table tbody td.formula-cell::after {
  content: '';
  position: absolute;
  top: 2px;
  right: 2px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-top: 5px solid var(--accent-primary);
  opacity: 0.6;
}

.formula-column {
  position: relative;
}

.formula-column::after {
  content: 'ƒ';
  margin-left: 4px;
  font-size: 10px;
  opacity: 0.6;
  font-style: italic;
}

/* --- Summary Rows --- */
.spreadsheet-table tbody tr.summary-row td {
  background: var(--accent-glow) !important;
  border-top: 2px solid var(--accent-primary);
  font-weight: 600;
  cursor: default;
  color: #e2e8f0 !important;
}

.spreadsheet-table tbody tr.summary-row td.formula-cell::after {
  border-top-color: var(--accent-primary);
  opacity: 0.8;
}

/* --- Animations --- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }

  .chat-panel {
    width: 100%;
    height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    min-width: unset;
  }

  .project-sidebar {
    display: none;
  }

  .spreadsheet-panel {
    height: 50vh;
  }
}

/* --- Utilities --- */
.hidden {
  display: none !important;
}

/* --- View Toggle (Table / Charts / Split) --- */
.view-toggle {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2px;
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.view-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.view-divider {
  width: 1px;
  height: 16px;
  background: var(--border-color);
  align-self: center;
  margin: 0 4px;
}

.toolbar-refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.toolbar-refresh-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.toolbar-refresh-btn:active {
  transform: scale(0.95);
}

@keyframes rotate-cw {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.rotate-animation {
  animation: rotate-cw 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Charts Container --- */
.charts-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 16px;
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.charts-container::-webkit-scrollbar { width: 6px; }
.charts-container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }

/* --- Chart Card --- */
.chart-card {
  background: rgba(15, 15, 28, 0.6);
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 14px;
  padding: 16px;
  backdrop-filter: blur(12px);
  animation: chartFadeIn 0.4s ease both;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.chart-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.08);
}

@keyframes chartFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.chart-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.chart-title-area {
  flex: 1;
  min-width: 0;
}

.chart-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px 0;
  line-height: 1.3;
}

.chart-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.chart-download-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.chart-download-btn:hover {
  background: rgba(124, 58, 237, 0.15);
  border-color: rgba(124, 58, 237, 0.3);
  color: var(--text-primary);
}

.chart-area {
  min-height: 300px;
}

/* --- Split View --- */
.spreadsheet-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.spreadsheet-workspace.split-view {
  display: flex !important;
  flex-direction: row !important;
  flex: 1;
  overflow: hidden;
}

.spreadsheet-workspace.split-view .spreadsheet-container,
.spreadsheet-workspace.split-view .charts-container {
  display: block !important;
  flex: 1 !important;
  height: 100%;
  width: 50% !important;
}

.spreadsheet-workspace.split-view .spreadsheet-container {
  border-right: 1px solid var(--border-color);
}

.spreadsheet-workspace.split-view .charts-container {
  display: grid !important;
  grid-template-columns: 1fr !important;
  overflow-y: auto;
}

/* --- Charts Empty State --- */
.charts-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
  grid-column: 1 / -1;
}

.charts-empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.charts-empty h3 {
  color: var(--text-secondary);
  margin: 0 0 6px 0;
  font-size: 16px;
}

.charts-empty p {
  font-size: 13px;
  max-width: 300px;
}

/* ApexCharts dark mode overrides */
.apexcharts-canvas {
  background: transparent !important;
}

.apexcharts-tooltip {
  border: 1px solid rgba(124, 58, 237, 0.2) !important;
  background: rgba(15, 15, 28, 0.95) !important;
  backdrop-filter: blur(8px);
}


/* --- Mode Selector --- */
.mode-selector {
  display: flex;
  gap: 2px;
  background: var(--bg-active);
  border-radius: var(--radius-sm);
  padding: 2px;
  margin-bottom: 0;
  flex-shrink: 0;
}

.mode-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px;
  border: none;
  border-radius: calc(var(--radius-sm) - 1px);
  background: transparent;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
}

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

.mode-btn.active {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.25);
}

.mode-icon {
  font-size: 12px;
}

.mode-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* File Previews & Message Attachments */
.file-chip img.file-chip-thumb {
  width: 20px;
  height: 20px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-right: 4px;
}

.message-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.message-attachment-image {
  max-width: 100%;
  max-height: 180px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.message-attachment-image:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.message-attachment-file {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* --- Thinking Window --- */
.thinking-window {
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(15, 15, 28, 0.97), rgba(10, 10, 20, 0.95));
  backdrop-filter: var(--glass-blur);
  overflow: hidden;
  animation: slideDown 0.3s ease;
  position: relative;
}

.thinking-window::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.thinking-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.thinking-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.thinking-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 1.5s ease infinite;
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.5);
}

.thinking-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  border-radius: 4px;
}

.thinking-toggle:hover {
  color: var(--text-secondary);
}

.thinking-toggle.collapsed {
  transform: rotate(-90deg);
}

.thinking-content {
  max-height: 300px;
  overflow-y: auto;
  padding: 10px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-active) transparent;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

/* --- Upgraded Thinking Window Controls & Tabs --- */
.thinking-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.thinking-tabs {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 2px;
}

.thinking-tab-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.thinking-tab-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

.thinking-tab-btn.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 1px 6px rgba(124, 58, 237, 0.2);
}

.thinking-tool-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  font-family: inherit;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.thinking-tool-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.thinking-tool-btn.active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.2);
}

.thinking-pane {
  display: none;
}

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

/* --- Visual Compiler Tree branch styling --- */
.compiler-node {
  margin: 4px 0;
  line-height: 1.5;
  color: var(--text-secondary);
}

.compiler-branch {
  color: var(--accent-primary);
  font-weight: bold;
  margin-right: 4px;
}

.compiler-sheet {
  color: #a78bfa;
  font-weight: 600;
}

.compiler-column {
  color: var(--text-primary);
}

.compiler-formula {
  color: #10b981;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 10px;
}

.compiler-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 9px;
  color: var(--text-muted);
  margin-left: 6px;
}

/* --- Compiling Scan Overlay --- */
.compiling-overlay-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 7, 13, 0.9);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.scanner-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(124, 58, 237, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.scanner-laser {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(180deg, var(--accent-primary), transparent);
  box-shadow: 0 0 20px var(--accent-primary);
  opacity: 0.6;
  animation: scan 3s linear infinite;
  pointer-events: none;
}

@keyframes scan {
  0% { top: 0%; }
  50% { top: 100%; }
  100% { top: 0%; }
}

.compiling-card {
  background: rgba(15, 15, 28, 0.85);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-lg);
  padding: 30px 40px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(124, 58, 237, 0.1);
  position: relative;
  z-index: 101;
}

.compiling-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(124, 58, 237, 0.1);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px auto;
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.2);
}

.compiling-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.compiling-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.compiling-progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
}

.compiling-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  animation: compileProgress 4s ease-out forwards;
}

@keyframes compileProgress {
  0% { width: 0%; }
  30% { width: 45%; }
  60% { width: 75%; }
  90% { width: 95%; }
  100% { width: 100%; }
}

/* --- Bouncing Dots Thinking Indicators in Chat --- */
.thinking-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
}

.thinking-dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
  opacity: 0.6;
}

.thinking-dot:nth-child(1) { animation-delay: -0.32s; }
.thinking-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1.1); opacity: 1; background-color: var(--accent-primary); box-shadow: 0 0 6px var(--accent-primary); }
}

.thinking-label {
  margin-left: 6px;
  font-style: italic;
  font-size: 11px;
  color: var(--text-muted);
  animation: pulseText 1.5s infinite ease-in-out;
}

@keyframes pulseText {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Streaming bubble cursor effect */
.streaming-bubble::after {
  content: '▋';
  color: var(--accent-primary);
  margin-left: 2px;
  animation: blink 0.8s infinite;
}

.thinking-content::-webkit-scrollbar {
  width: 4px;
}

.thinking-content::-webkit-scrollbar-thumb {
  background: var(--bg-active);
  border-radius: 2px;
}

.thinking-content.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
}

.thinking-content pre {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.65;
  color: rgba(136, 136, 160, 0.8);
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
}

@keyframes slideDown {
  from {
    max-height: 0;
    opacity: 0;
  }
  to {
    max-height: 300px;
    opacity: 1;
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- Stop Button --- */
.send-btn.stop-btn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  animation: pulseRed 1.5s ease infinite;
}

@keyframes pulseRed {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

/* --- Plan Message --- */
.chat-message.plan-message {
  background: var(--bg-panel-solid);
  border: 1px solid var(--border-color);
}

.chat-message.plan-message .plan-content {
  white-space: pre-wrap;
  margin-bottom: 10px;
  font-size: 12px;
  line-height: 1.6;
}

.execute-plan-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}

.execute-plan-btn:hover {
  opacity: 0.85;
  box-shadow: 0 2px 10px rgba(34, 197, 94, 0.3);
}

.execute-plan-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Convert to Plan Button inside Assistant Bubble --- */
.convert-plan-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-sm);
  color: #c084fc;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-top: 10px;
  transition: all 0.25s ease;
  width: fit-content;
}

.convert-plan-btn:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

.convert-plan-btn:active {
  transform: scale(0.97);
}

/* ================================================================
   FUTURISTIC SCI-FI LANDING PAGE
   ================================================================ */

.landing-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, var(--accent-glow) 0px, transparent 50%),
    radial-gradient(at 100% 100%, var(--bg-active) 0px, transparent 50%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 60px 24px;
  z-index: 9999;
  overflow-y: auto;
  overflow-x: hidden;
  font-family: var(--font-family);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Floating Theme Selector on Landing Page */
.landing-theme-selector {
  position: absolute;
  top: 24px;
  right: 24px;
  display: flex;
  gap: 10px;
  background: rgba(15, 15, 28, 0.4);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 50px;
  backdrop-filter: var(--glass-blur);
  z-index: 10000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.landing-theme-btn {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
}

.landing-theme-btn[data-theme="default"] {
  background: #7c3aed;
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.4);
}

.landing-theme-btn[data-theme="cyberpunk-neon"] {
  background: #ff007f;
  box-shadow: 0 0 8px rgba(255, 0, 127, 0.4);
}

.landing-theme-btn[data-theme="matrix-green"] {
  background: #00ff66;
  box-shadow: 0 0 8px rgba(0, 255, 102, 0.4);
}

.landing-theme-btn[data-theme="arctic-steel"] {
  background: #00bcd4;
  box-shadow: 0 0 8px rgba(0, 188, 212, 0.4);
}

.landing-theme-btn:hover {
  transform: scale(1.3);
}

.landing-theme-btn.active {
  border-color: #ffffff;
  transform: scale(1.2);
}

/* Moving Cyber Grid Background */
.cyber-grid {
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  width: 200%;
  height: 200%;
  background: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center;
  transform: perspective(500px) rotateX(60deg);
  animation: gridMove 25s linear infinite;
  opacity: 0.75;
  pointer-events: none;
  z-index: 1;
}

@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 1000px; }
}

/* Glowing Orbs */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: screen;
}

.orb-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--orb-glow-1) 0%, transparent 70%);
  top: 15%;
  left: 20%;
  animation: orbDrift1 20s infinite alternate ease-in-out;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--orb-glow-2) 0%, transparent 70%);
  bottom: 10%;
  right: 15%;
  animation: orbDrift2 25s infinite alternate ease-in-out;
}

@keyframes orbDrift1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(100px, 50px) scale(1.15); }
}

@keyframes orbDrift2 {
  0% { transform: translate(0, 0) scale(1.1); }
  100% { transform: translate(-120px, -60px) scale(0.9); }
}

/* Content Layout */
.landing-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  width: 100%;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Cyber Badge */
.cyber-badge-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 28px;
  box-shadow: 0 0 20px var(--accent-glow);
}

.cyber-badge-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary), 0 0 20px var(--accent-primary);
  animation: cyberPulse 2s infinite ease-in-out;
}

@keyframes cyberPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.25); }
}

.cyber-badge-text {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-primary);
}

/* Title & Brand */
.hero-brand {
  margin-bottom: 20px;
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -2px;
  margin: 0;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-primary) 70%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 10px var(--accent-glow));
}

.hero-subtitle {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 8px;
}

.highlight-brand {
  color: var(--accent-primary);
  font-weight: 600;
  text-shadow: 0 0 10px var(--accent-glow);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px auto;
}

/* Cyber Button */
.enter-section {
  margin-bottom: 60px;
}

.cyber-btn {
  position: relative;
  background: var(--accent-gradient);
  border: 1px solid var(--accent-primary);
  padding: 16px 36px;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 32px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.cyber-btn:hover {
  background: var(--accent-gradient);
  filter: brightness(1.1);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--accent-glow), 0 0 20px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

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

.btn-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
  margin-left: 4px;
}

.cyber-btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 860px;
  margin-bottom: 60px;
}

.feature-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  text-align: left;
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
  background: var(--bg-secondary);
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 15px var(--accent-glow);
}

.card-num {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

/* Corner Decor */
.card-corner-decor::before,
.card-corner-decor::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--accent-primary);
  opacity: 0.6;
  border-style: solid;
  pointer-events: none;
}

.feature-card::before,
.feature-card::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--accent-primary);
  opacity: 0.6;
  border-style: solid;
  pointer-events: none;
}

/* Position Corner Borders */
.feature-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
  border-top-left-radius: 4px;
}

.feature-card::after {
  top: -1px;
  right: -1px;
  border-width: 1px 1px 0 0;
  border-top-right-radius: 4px;
}

.card-corner-decor::before {
  bottom: -1px;
  left: -1px;
  border-width: 0 0 1px 1px;
  border-bottom-left-radius: 4px;
}

.card-corner-decor::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
  border-bottom-right-radius: 4px;
}

/* Footer Stats */
.landing-footer {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 32px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  flex-wrap: wrap;
}

.footer-spec {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.spec-value {
  color: var(--text-secondary);
}

.text-success {
  color: var(--success);
  text-shadow: 0 0 8px rgba(34, 197, 94, 0.3);
}

/* Mobile Responsiveness for landing */
@media (max-width: 768px) {
  .hero-title {
    font-size: 44px;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .landing-footer {
    gap: 16px;
  }
}

/* ================================================================
   FUTURISTIC UPGRADES: WIDGETS & ANIMATIONS
   ================================================================ */

/* Rolling Telemetry Terminal Dashboard */
.terminal-dashboard {
  width: 100%;
  max-width: 580px;
  background: rgba(5, 5, 10, 0.75);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 24px var(--accent-glow), inset 0 0 12px var(--bg-hover);
  border-radius: 6px;
  margin: 10px auto 35px auto;
  overflow: hidden;
  text-align: left;
  backdrop-filter: blur(8px);
}

.terminal-header {
  background: var(--bg-secondary);
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  opacity: 0.85;
}

.terminal-dot.red { background: var(--error); }
.terminal-dot.yellow { background: var(--warning); }
.terminal-dot.green { background: var(--success); }

.terminal-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--accent-primary);
  margin-left: 6px;
}

.terminal-body {
  padding: 12px 16px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--text-primary);
  height: 120px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.telemetry-line {
  line-height: 1.4;
  opacity: 0.9;
  text-shadow: 0 0 4px var(--accent-glow);
  animation: telemetrySlide 0.25s ease-out;
}

@keyframes telemetrySlide {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 0.9; transform: translateY(0); }
}

/* Boot System Overlay */
.boot-overlay-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #020205;
  z-index: 100000;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Share Tech Mono', monospace;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.boot-terminal {
  width: 90%;
  max-width: 600px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 40px var(--accent-glow);
  border-radius: 8px;
  overflow: hidden;
}

.boot-header {
  background: var(--bg-panel-solid);
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 6px;
}

.boot-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.boot-dot.red { background: var(--error); }
.boot-dot.yellow { background: var(--warning); }
.boot-dot.green { background: var(--success); }

.boot-title {
  color: var(--accent-primary);
  font-size: 11px;
  letter-spacing: 1.5px;
  margin-left: 8px;
}

.boot-body {
  padding: 24px;
  height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-primary);
  font-size: 12px;
  text-align: left;
}

.boot-line {
  line-height: 1.5;
  text-shadow: 0 0 6px var(--accent-glow);
  animation: bootLineIn 0.15s ease-out;
}

@keyframes bootLineIn {
  from { opacity: 0; transform: translateX(-4px); }
  to { opacity: 1; transform: translateX(0); }
}

.boot-progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  width: 100%;
}

.boot-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  box-shadow: 0 0 10px var(--accent-primary);
  transition: width 0.2s ease;
}

/* Feature Card Neon Glow Sweep */
.feature-card {
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent-glow) 50%,
    transparent 100%
  );
  transform: skewX(-25deg);
  pointer-events: none;
}

.feature-card:hover::after {
  animation: neonSweep 1.2s ease-in-out;
}

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

/* ================================================================
   FUTURISTIC UPGRADES: CAPABILITIES, REGISTRY, INDUSTRIES & MATRIX
   ================================================================ */

.landing-section {
  width: 100%;
  max-width: 860px;
  margin-top: 80px;
  text-align: left;
  position: relative;
  z-index: 10;
}

.section-tagline {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.5px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-active), transparent);
}

/* Detailed Capabilities Grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.capability-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.capability-card:hover {
  background: var(--bg-secondary);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px var(--accent-glow);
}

.capability-icon {
  font-size: 24px;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.capability-card h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.capability-card p {
  font-size: 13px;
  color: #8888a0;
  line-height: 1.5;
}

/* Statistical Registry Tabs */
.registry-container {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  backdrop-filter: blur(16px);
  box-shadow: inset 0 0 20px var(--accent-glow);
}

.registry-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.registry-tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.registry-tab-btn:hover {
  background: var(--bg-hover);
  color: #ffffff;
  border-color: var(--border-active);
}

.registry-tab-btn.active {
  background: var(--accent-glow);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px var(--accent-glow);
}

.registry-content {
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  animation: fadeIn 0.35s ease;
}

.registry-content.active {
  display: grid;
}

.stat-func-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s ease;
}

.stat-func-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-hover);
}

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

.stat-func-name {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-primary);
  text-shadow: 0 0 8px var(--accent-glow);
}

.stat-func-badge {
  font-size: 9px;
  font-family: 'Share Tech Mono', monospace;
  background: var(--accent-glow);
  color: var(--accent-primary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-active);
}

.stat-func-desc {
  font-size: 12px;
  color: #8888a0;
  line-height: 1.4;
}

.stat-func-syntax {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.35);
  padding: 4px 8px;
  border-radius: 4px;
  margin-top: 4px;
}

/* Target Industries and Workflows */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.industry-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 8px;
  height: 8px;
  border-color: var(--accent-primary);
  border-style: solid;
  border-width: 1px 0 0 1px;
  border-top-left-radius: 4px;
  pointer-events: none;
}

.industry-card::after {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-color: var(--accent-primary);
  border-style: solid;
  border-width: 1px 1px 0 0;
  border-top-right-radius: 4px;
  pointer-events: none;
}

.industry-card:hover {
  background: var(--bg-secondary);
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.industry-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.industry-icon {
  font-size: 20px;
}

.industry-card h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
}

.industry-card p {
  font-size: 13px;
  color: #8888a0;
  line-height: 1.5;
  margin-bottom: 12px;
}

.industry-tag {
  display: inline-block;
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--accent-primary);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-active);
}

/* Compare Matrix */
.matrix-container {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  backdrop-filter: blur(12px);
}

.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.matrix-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.matrix-col-title {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.matrix-col.legacy .matrix-col-title {
  color: var(--text-muted);
}

.matrix-col.quaasx .matrix-col-title {
  color: var(--accent-primary);
}

.matrix-item {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.matrix-col.quaasx .matrix-item {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
}

.matrix-item h5 {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
}

.matrix-item p {
  font-size: 12px;
  color: #8888a0;
  line-height: 1.4;
}

/* custom scrollbar for landing page container */
.landing-container::-webkit-scrollbar {
  width: 8px;
}
.landing-container::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
.landing-container::-webkit-scrollbar-thumb {
  background: var(--accent-glow);
  border-radius: 4px;
}
.landing-container::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* custom scrollbar for telemetry logs */
.terminal-body::-webkit-scrollbar {
  width: 6px;
}
.terminal-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 3px;
}
.terminal-body::-webkit-scrollbar-thumb {
  background: var(--accent-glow);
  border-radius: 3px;
}
.terminal-body::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .capabilities-grid,
  .registry-content,
  .industries-grid,
  .matrix-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ================================================================
   NEW FUTURISTIC SCI-FI IDE ELEMENT STYLES (Added by Antigravity)
   ================================================================ */

/* --- Activity Bar --- */
.activity-bar {
  width: 48px;
  min-width: 48px;
  background: #090911;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  z-index: 10;
  box-shadow: 2px 0 10px rgba(0,0,0,0.5);
}

.activity-top, .activity-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 8px;
}

.activity-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}

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

.activity-btn.active {
  color: var(--accent-primary);
  background: var(--accent-glow);
  border: 1px solid var(--border-active);
}

.activity-btn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--accent-primary);
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 10px var(--accent-primary);
}

.activity-icon {
  width: 20px;
  height: 20px;
}

/* --- Resizable Pane Dividers --- */
.pane-divider {
  width: 4px;
  min-width: 4px;
  background: transparent;
  cursor: col-resize;
  position: relative;
  z-index: 9;
  transition: background var(--transition-fast);
}

.pane-divider:hover,
.pane-divider.dragging {
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
}

.pane-divider::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -2px;
  right: -2px;
}

/* Horizontal Pane Divider */
.pane-divider-horizontal {
  height: 4px;
  min-height: 4px;
  background: transparent;
  cursor: row-resize;
  position: relative;
  z-index: 9;
  transition: background var(--transition-fast);
}

.pane-divider-horizontal:hover,
.pane-divider-horizontal.dragging {
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
}

.pane-divider-horizontal::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -2px;
  bottom: -2px;
}

/* --- Telemetry Console Drawer --- */
.ide-console {
  height: 200px;
  min-height: 40px;
  background: #080810;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.5);
}

.ide-console.collapsed {
  height: 40px !important;
}

.console-header {
  height: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: #0b0b15;
  border-bottom: 1px solid var(--border-color);
  user-select: none;
}

.console-title-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.console-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-glow 2s infinite;
}

.console-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.console-actions {
  display: flex;
  gap: 6px;
}

.console-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  font-size: 12px;
  transition: all var(--transition-fast);
}

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

.console-btn:active {
  transform: scale(0.9);
}

.console-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  color: #9cdcfe;
  background: #06060c;
}

.console-line {
  margin-bottom: 4px;
  white-space: pre-wrap;
  word-break: break-all;
}

.console-line.system {
  color: var(--text-secondary);
}

.console-line.calc {
  color: #4fc1ff;
}

.console-line.calc-highlight {
  color: #b5cea8;
}

.console-line.api-info {
  color: #ce9178;
}

.console-line.error-line {
  color: var(--error);
}

.console-line.success-line {
  color: var(--success);
}

@keyframes pulse-glow {
  0% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 12px var(--success); }
  100% { transform: scale(1); opacity: 0.7; }
}

/* Custom Scrollbars for Console and Panels */
.console-body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.console-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}
.console-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
.console-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Floating Formula Helper Popover --- */
.formula-helper-popover {
  position: absolute;
  background: rgba(15, 15, 28, 0.95);
  border: 1px solid var(--border-active);
  border-radius: 8px;
  padding: 10px 14px;
  z-index: 100;
  max-width: 320px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
  pointer-events: none;
  font-size: 11px;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s;
}

.formula-helper-popover.active {
  opacity: 1;
  transform: translateY(0);
}

.formula-helper-title {
  font-weight: 700;
  font-family: 'Share Tech Mono', monospace;
  color: var(--accent-primary);
  font-size: 12px;
}

.formula-helper-desc {
  color: var(--text-secondary);
}

.formula-helper-syntax {
  font-family: 'Share Tech Mono', monospace;
  background: rgba(0,0,0,0.3);
  padding: 4px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.05);
  color: #b5cea8;
}

/* Highlighted Column & Row Headers */
.header-highlight {
  background: linear-gradient(180deg, var(--accent-glow), rgba(255, 255, 255, 0.01)) !important;
  color: var(--accent-primary) !important;
  text-shadow: 0 0 8px var(--accent-glow);
}

.cell-editing {
  outline: 2px solid var(--accent-primary) !important;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* --- Formula Inspector Sidebar --- */
.inspector-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inspector-h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.variable-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.variable-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-active);
}

.variable-name {
  font-size: 12px;
  color: var(--text-primary);
}

.variable-meta {
  font-size: 10px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.variable-stats {
  font-size: 10px;
  color: var(--accent-primary);
  font-family: 'Share Tech Mono', monospace;
  margin-top: 2px;
}

.badge {
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 8px;
  text-transform: uppercase;
  font-weight: 700;
  display: inline-block;
  width: fit-content;
}

.badge-text { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.badge-number { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-currency { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-percentage { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.badge-computed { background: var(--accent-glow); color: var(--accent-primary); }

.analysis-stat {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ====================================================
   PREMIUM CHAT INPUT AND SETTINGS STYLES (Antigravity)
   ==================================================== */

/* --- Premium Unified Chat Box --- */
.premium-chat-box {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 4px;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  margin-top: 8px;
}

.premium-chat-box:focus-within {
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 15px rgba(124, 58, 237, 0.2);
}

.premium-chat-box #user-input {
  width: 100%;
  background: transparent;
  border: none;
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  resize: none;
  outline: none;
  overflow-y: auto;
  box-shadow: none; /* override any default styling */
  min-height: 48px;
  max-height: 160px;
}

/* Scrollbar override for user input to prevent vertical arrow scrollbars */
.premium-chat-box #user-input::-webkit-scrollbar {
  width: 4px;
}
.premium-chat-box #user-input::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
}
.premium-chat-box #user-input::-webkit-scrollbar-track {
  background: transparent;
}

.premium-chat-box .file-preview {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 0 14px 8px 14px;
}

.premium-chat-box .input-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.premium-chat-box .upload-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  padding: 0;
  margin: 0;
}

.premium-chat-box .upload-btn:hover {
  background: var(--bg-hover);
  color: var(--accent-primary);
  border: none;
}

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

.premium-chat-box .send-btn:hover:not(:disabled) {
  opacity: 1;
  transform: scale(1.05);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

.premium-chat-box .send-btn:disabled {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
  box-shadow: none;
}

.premium-chat-box .send-btn.stop-btn {
  background: var(--error);
  animation: pulse-stop-btn 2s infinite;
}

@keyframes pulse-stop-btn {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  70% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* --- Settings Modal --- */
.settings-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeInModal 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-modal-card {
  width: 100%;
  max-width: 900px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  animation: slideInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

@keyframes scaleInModal {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

.settings-modal-header h3 {
  font-size: 15px;
  font-weight: 600;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

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

/* --- Settings Premium Layout --- */
.settings-container-layout {
  display: flex;
  flex: 1;
  height: calc(100% - 56px); /* Header is 56px */
  background: var(--bg-secondary);
  overflow: hidden;
}

.settings-sidebar {
  width: 220px;
  border-right: 1px solid var(--border-color);
  background: rgba(8, 8, 16, 0.4);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.settings-tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.settings-tab-btn.active {
  background: var(--bg-active);
  color: var(--text-primary);
  border-color: var(--border-active);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.settings-tab-btn.text-danger {
  color: #ef4444;
  opacity: 0.85;
}
.settings-tab-btn.text-danger:hover {
  background: rgba(239, 68, 68, 0.08);
  opacity: 1;
}

.settings-tab-content {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
  background: var(--bg-primary);
}

.settings-tab-panel {
  display: none;
  animation: fadeInPanel 0.2s ease-in-out;
}

.settings-tab-panel.active {
  display: block;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Profile Elements */
.profile-card-wrapper {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.profile-header-premium {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.profile-avatar-large {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.profile-details-premium {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-details-premium h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.profile-details-premium span {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Premium Slider Control */
.settings-slider-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.settings-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-active);
  outline: none;
}

.settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-gradient);
  cursor: pointer;
  transition: transform 0.1s;
}

.settings-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.settings-slider-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
  min-width: 24px;
  text-align: right;
}

/* Sidebar Theme Switcher */
.activity-theme-dots {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 0 4px;
}

.theme-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.theme-dot:hover {
  transform: scale(1.3);
  filter: brightness(1.2);
}

.theme-dot.active {
  border-color: #ffffff;
  transform: scale(1.3);
  box-shadow: 0 0 12px currentColor !important;
}

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

.setting-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.setting-help {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.api-key-wrapper-premium {
  display: flex;
  gap: 8px;
}

.api-key-wrapper-premium input {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  outline: none;
  transition: all var(--transition-fast);
}

.api-key-wrapper-premium input:focus {
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.05);
}

.premium-btn {
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

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

.api-key-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.status-text {
  font-weight: 500;
  color: var(--text-muted);
}

.settings-select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  outline: none;
  cursor: pointer;
}

.settings-select option {
  background: var(--bg-panel-solid);
  color: var(--text-primary);
}

/* Theme choices grid */
.theme-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.theme-option-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

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

.theme-option-btn.active {
  border-color: var(--accent-primary);
  background: rgba(124, 58, 237, 0.08);
  color: var(--text-primary);
}

.theme-preview {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid transparent;
  flex-shrink: 0;
}

/* Danger zone section */
.danger-zone {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.danger-zone label {
  color: var(--error);
}

.danger-btn {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--error);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.danger-btn:hover {
  background: var(--error);
  color: white;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

/* ============================================
   CYBER THEMES SUPPORT
   ============================================ */

/* 1. Cyberpunk Neon Theme */
body.theme-cyberpunk-neon {
  --bg-primary: #0a0314;
  --bg-secondary: #130526;
  --bg-panel: rgba(19, 5, 38, 0.7);
  --bg-panel-solid: #1c0836;
  --bg-hover: rgba(255, 0, 127, 0.05);
  --bg-active: rgba(255, 0, 127, 0.1);
  --border-color: rgba(255, 0, 127, 0.15);
  --border-active: rgba(255, 0, 127, 0.3);
  --accent-gradient: linear-gradient(135deg, #ff007f, #ff5e00, #ff00ff);
  --accent-primary: #ff007f;
  --accent-hover: #e60072;
  --accent-glow: rgba(255, 0, 127, 0.15);
  --orb-glow-1: rgba(255, 0, 127, 0.4);
  --orb-glow-2: rgba(255, 94, 0, 0.3);
  --grid-color: rgba(255, 0, 127, 0.08);
  --text-primary: #f5f0fa;
  --text-secondary: #b69bc9;
  --text-muted: #745b85;
}

/* 2. Matrix Green Theme */
body.theme-matrix-green {
  --bg-primary: #010802;
  --bg-secondary: #031405;
  --bg-panel: rgba(3, 20, 5, 0.75);
  --bg-panel-solid: #052408;
  --bg-hover: rgba(0, 255, 102, 0.05);
  --bg-active: rgba(0, 255, 102, 0.1);
  --border-color: rgba(0, 255, 102, 0.15);
  --border-active: rgba(0, 255, 102, 0.3);
  --accent-gradient: linear-gradient(135deg, #00ff66, #00cc52, #33ff99);
  --accent-primary: #00ff66;
  --accent-hover: #00cc52;
  --accent-glow: rgba(0, 255, 102, 0.15);
  --orb-glow-1: rgba(0, 255, 102, 0.4);
  --orb-glow-2: rgba(51, 255, 153, 0.3);
  --grid-color: rgba(0, 255, 102, 0.08);
  --text-primary: #e0f2e3;
  --text-secondary: #7ec78d;
  --text-muted: #437d50;
  --font-family: 'Share Tech Mono', monospace, 'Inter', sans-serif;
}

/* 3. Arctic Steel Theme */
body.theme-arctic-steel {
  --bg-primary: #0a0e14;
  --bg-secondary: #101620;
  --bg-panel: rgba(16, 22, 32, 0.7);
  --bg-panel-solid: #17212e;
  --bg-hover: rgba(0, 188, 212, 0.05);
  --bg-active: rgba(0, 188, 212, 0.1);
  --border-color: rgba(0, 188, 212, 0.15);
  --border-active: rgba(0, 188, 212, 0.3);
  --accent-gradient: linear-gradient(135deg, #00bcd4, #0097a7, #00e5ff);
  --accent-primary: #00bcd4;
  --accent-hover: #0097a7;
  --accent-glow: rgba(0, 188, 212, 0.15);
  --orb-glow-1: rgba(0, 188, 212, 0.4);
  --orb-glow-2: rgba(0, 229, 255, 0.3);
  --grid-color: rgba(0, 188, 212, 0.08);
  --text-primary: #e3eff2;
  --text-secondary: #8caab3;
  --text-muted: #557078;
}

/* ============================================
   PRICING & SUBSCRIPTION MANAGEMENT STYLES
   ============================================ */

.landing-pricing-section {
  padding: 80px 20px 40px;
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 40px;
  margin-bottom: 40px;
  justify-content: center;
}

.pricing-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 24px var(--accent-glow);
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: background var(--transition-normal);
}

.pricing-card.free::before { background: var(--text-muted); }
.pricing-card.pro::before { background: var(--accent-gradient); }
.pricing-card.pro-plus::before { background: linear-gradient(135deg, #f59e0b, #ec4899, #8b5cf6); }
.pricing-card.enterprise::before { background: #00bcd4; }

.pricing-card.popular {
  border: 1.5px solid var(--accent-primary);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.1);
}

.pricing-card.popular::after {
  content: 'BEST VALUE';
  position: absolute;
  top: 15px;
  right: -30px;
  background: var(--accent-gradient);
  color: white;
  font-size: 9px;
  font-weight: 700;
  padding: 4px 30px;
  transform: rotate(45deg);
  letter-spacing: 0.5px;
}

.card-num-pricing {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--accent-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.pricing-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.pricing-narrative {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
  text-align: center;
  min-height: 54px;
}

.price-box {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.price-amt {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.price-amt span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.price-subtext {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-features-list {
  list-style: none;
  width: 100%;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.pricing-features-list li {
  font-size: 12px;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  text-align: left;
}

.pricing-features-list li::before {
  content: '✓';
  color: var(--accent-primary);
  font-weight: bold;
}

.pricing-features-list li.unsupported {
  color: var(--text-muted);
}

.pricing-features-list li.unsupported::before {
  content: '✕';
  color: var(--error);
  opacity: 0.5;
}

.pricing-action-btn {
  width: 100%;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-hover);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  text-decoration: none;
}

.pricing-action-btn:hover {
  background: var(--bg-active);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.pricing-action-btn.active-plan {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

/* Header plan styling */
.header-subscription-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-badge-free {
  color: var(--text-secondary);
}

.plan-badge-pro {
  color: #a855f7;
  text-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.plan-badge-pro-plus {
  color: #ec4899;
  text-shadow: 0 0 8px rgba(236, 72, 153, 0.3);
}

.header-upgrade-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.header-upgrade-link:hover {
  color: var(--text-primary);
  text-shadow: 0 0 8px var(--accent-primary);
}

.tokens-remaining-info {
  border-left: 1px solid var(--border-color);
  padding-left: 12px;
  color: var(--text-primary);
  font-weight: 500;
}

/* Settings modal pricing cards */
.settings-pricing-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.settings-pricing-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 110px;
}

.settings-pricing-card:hover {
  background: var(--bg-hover);
  border-color: var(--border-active);
}

.settings-pricing-card.active {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
  box-shadow: 0 0 12px var(--accent-glow);
}

.settings-pricing-card h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.settings-pricing-card .price {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 4px 0 8px;
}

.settings-pricing-card button {
  width: 100%;
  padding: 6px 4px;
  font-size: 10px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.settings-pricing-card.active button {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
}

/* Progress bar styles */
.token-meter-container {
  margin-top: 12px;
  width: 100%;
}

.token-meter-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.token-meter-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.token-meter-fill {
  height: 100%;
  background: var(--accent-gradient);
  width: 0;
  transition: width 0.4s ease, background 0.4s ease;
}

.token-meter-fill.warning {
  background: linear-gradient(90deg, var(--warning), var(--error));
}

/* Blocker Overlay Alert */
.token-blocker-message {
  border: 1px solid rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.06);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 16px 0;
  text-align: center;
}

.token-blocker-message h4 {
  color: var(--error);
  margin-bottom: 8px;
  font-size: 14px;
}

.token-blocker-message p {
  color: var(--text-secondary);
  font-size: 12px;
  margin-bottom: 12px;
  line-height: 1.5;
}

.token-blocker-message button {
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* ================================================================
   DYNAMIC RESPONSIVENESS OVERRIDES FOR MOBILE SCREEN SIZES
   ================================================================ */

@media (max-width: 768px) {
  /* Hide resize dividers on mobile */
  #divider-sidebar,
  #divider-chat,
  #divider-registry,
  #divider-console {
    display: none !important;
  }

  /* Main Workspace Layout */
  .main-content {
    position: relative !important;
    flex-direction: column !important;
    overflow: hidden;
  }

  /* Hide sidebar toggle on mobile since bottom navigation serves layout changes */
  #sidebar-toggle-btn {
    display: none !important;
  }

  /* Activity Bar -> Bottom Navigation Panel */
  .activity-bar {
    width: 100% !important;
    min-width: 100% !important;
    height: 52px !important;
    min-height: 52px !important;
    flex-direction: row !important;
    justify-content: space-around !important;
    padding: 0 16px !important;
    border-right: none !important;
    border-top: 1px solid var(--border-color) !important;
    order: 10 !important;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.4);
    background: rgba(9, 9, 17, 0.96) !important;
    backdrop-filter: blur(12px) !important;
  }

  .activity-top, 
  .activity-bottom {
    flex-direction: row !important;
    align-items: center !important;
    width: auto !important;
    gap: 24px !important;
  }

  .activity-btn {
    width: 40px !important;
    height: 40px !important;
  }

  /* Bottom Tab active indicators */
  .activity-btn.active::before {
    left: 8px !important;
    right: 8px !important;
    bottom: 0 !important;
    top: auto !important;
    width: auto !important;
    height: 3px !important;
    border-radius: 2px 2px 0 0 !important;
    box-shadow: 0 -2px 10px var(--accent-primary) !important;
  }

  /* Panels Stacking / Single View overlays */
  .spreadsheet-panel {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100% - 52px) !important;
    z-index: 1 !important;
    display: flex !important;
  }

  .chat-panel {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100% - 52px) !important;
    z-index: 5 !important;
    border-right: none !important;
  }

  /* Fix for sidebar display state coordination */
  #project-sidebar {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    min-width: 100% !important;
    height: calc(100% - 52px) !important;
    z-index: 10 !important;
    border-right: none !important;
    background: rgba(8, 8, 16, 0.98) !important;
  }
  
  #project-sidebar.collapsed {
    display: none !important;
  }
  
  #project-sidebar:not(.collapsed) {
    display: flex !important;
  }

  #registry-sidebar {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100% - 52px) !important;
    z-index: 15 !important;
    border-left: none !important;
    background: rgba(8, 8, 16, 0.98) !important;
  }

  #registry-sidebar.collapsed {
    display: none !important;
  }

  /* Telemetry logs overlay drawer */
  #ide-console:not(.collapsed) {
    position: fixed !important;
    bottom: 52px !important;
    left: 0 !important;
    width: 100% !important;
    height: 50% !important;
    z-index: 1001 !important;
    border-top: 1px solid var(--border-active) !important;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6) !important;
  }

  #ide-console.collapsed {
    display: none !important;
  }

  /* Split View stacks vertical */
  .spreadsheet-workspace.split-view {
    flex-direction: column !important;
  }

  .spreadsheet-workspace.split-view .spreadsheet-container,
  .spreadsheet-workspace.split-view .charts-container {
    width: 100% !important;
    height: 50% !important;
  }

  .spreadsheet-workspace.split-view .spreadsheet-container {
    border-right: none !important;
    border-bottom: 1px solid var(--border-color) !important;
  }
}

@media (max-width: 576px) {
  /* Landing page tweaks */
  .landing-theme-selector {
    position: relative !important;
    top: 0 !important;
    right: 0 !important;
    margin: 16px auto 16px auto !important;
    width: fit-content;
    display: flex !important;
  }

  .hero-title {
    font-size: 36px !important;
    letter-spacing: -1px !important;
  }

  .hero-subtitle {
    font-size: 11px !important;
    letter-spacing: 2px !important;
  }

  .hero-desc {
    font-size: 13px !important;
    margin-bottom: 24px !important;
    padding: 0 10px;
  }

  .landing-pricing-section {
    padding: 40px 16px 20px !important;
  }

  .pricing-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* Workbench Header Tweaks */
  .brand-powered {
    display: none !important;
  }

  .app-header {
    padding: 0 12px !important;
  }

  /* Shorten text of the upgrade button inside status badge to save horizontal space */
  .tokens-remaining-info {
    display: none !important;
  }

  .header-upgrade-link {
    font-size: 0 !important;
    margin-left: 4px !important;
  }

  .header-upgrade-link::after {
    content: 'Upgrade ⚡' !important;
    font-size: 11px !important;
    font-weight: 600;
  }

  /* Spreadsheet Panel elements */
  .spreadsheet-container {
    padding: 8px !important;
  }

  .spreadsheet-toolbar {
    padding: 6px 8px !important;
    gap: 6px !important;
  }

  .sheet-tab {
    padding: 6px 10px !important;
    font-size: 11px !important;
  }

  /* Hide download text but keep SVG icon */
  .download-btn {
    font-size: 0 !important;
    gap: 0 !important;
    padding: 7px 10px !important;
  }

  /* Settings Modal Overrides */
  .settings-modal-card {
    width: calc(100% - 24px) !important;
    margin: 12px !important;
    max-height: 85vh !important;
    overflow-y: auto !important;
  }

  .settings-modal-body {
    padding: 16px !important;
    gap: 16px !important;
  }

  /* Settings Pricing Switcher Options Stacking */
  .settings-pricing-options {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .settings-pricing-card {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    min-height: unset !important;
    padding: 10px 14px !important;
    text-align: left !important;
  }

  .settings-pricing-card h4 {
    font-size: 12px !important;
    margin: 0 !important;
    flex: 1;
  }

  .settings-pricing-card .price {
    font-size: 11px !important;
    margin: 0 10px !important;
    flex-shrink: 0;
  }

  .settings-pricing-card button {
    width: auto !important;
    padding: 6px 12px !important;
    flex-shrink: 0;
  }

  /* Apex charts scroll spacing */
  .charts-container {
    grid-template-columns: 1fr !important;
    padding: 8px !important;
  }

  /* Auth Modal Card Overrides */
  .auth-card {
    width: calc(100% - 24px) !important;
    margin: 12px auto !important;
    padding: 20px !important;
  }
}

/* ================================================================
   Holographic Sync Status Badge & User Widget
   ================================================================ */
.sync-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.5px;
  height: 24px;
}

.sync-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #a855f7; /* Default Guest */
  box-shadow: 0 0 8px #a855f7;
  transition: all var(--transition-normal);
}

.sync-badge.synced .sync-dot {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.sync-badge.syncing .sync-dot {
  background: var(--warning);
  box-shadow: 0 0 8px var(--warning);
  animation: pulse-sync-dot 1s infinite alternate;
}

.sync-badge.offline .sync-dot {
  background: var(--error);
  box-shadow: 0 0 8px var(--error);
}

@keyframes pulse-sync-dot {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

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

.user-profile-widget {
  position: relative;
  margin-left: 10px;
}

.avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  color: #ffffff;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.3);
  transition: all var(--transition-fast);
}

.avatar-circle:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.6);
}

.user-dropdown-menu {
  position: absolute;
  top: 40px;
  right: 0;
  background: rgba(15, 15, 28, 0.95);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 180px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 20px rgba(124, 58, 237, 0.1);
  backdrop-filter: blur(25px);
  z-index: 1000;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.user-profile-widget.active .user-dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.user-dropdown-email {
  font-size: 11px;
  color: var(--text-secondary);
  padding: 6px 10px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: 6px 0;
}

.user-dropdown-item {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: 8px 10px;
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-family: var(--font-family);
}

.user-dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--error);
}

/* ================================================================
   Futuristic Auth Portal Overlay & Card
   ================================================================ */
.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 5, 10, 0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeInAuth 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  overflow-y: auto;
  padding: 20px;
}

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

.auth-card {
  width: 100%;
  max-width: 420px;
  background: rgba(15, 15, 28, 0.7);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-lg);
  padding: 30px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(124, 58, 237, 0.15);
  animation: scaleInAuth 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  margin: auto;
}

@keyframes scaleInAuth {
  from { transform: scale(0.9) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.auth-card-decor {
  position: absolute;
  top: -1px;
  left: 30px;
  right: 30px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.auth-header {
  text-align: center;
  margin-bottom: 25px;
}

.auth-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.auth-header p {
  font-size: 12px;
  color: var(--text-secondary);
}

.auth-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  padding: 3px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.auth-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 0;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.auth-tab-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.4);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.auth-input-group label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.auth-input-group input {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 13px;
  outline: none;
  font-family: var(--font-family);
  transition: all var(--transition-fast);
}

.auth-input-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.25);
  background: rgba(0, 0, 0, 0.5);
}

.auth-error-msg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  text-align: center;
}

.auth-success-msg {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  text-align: center;
}

.auth-forgot-btn {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 12px;
  cursor: pointer;
  margin-top: 4px;
  padding: 0;
  text-align: right;
  width: 100%;
}

.auth-forgot-btn:hover {
  text-decoration: underline;
}

.auth-actions-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.auth-password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-password-wrap input {
  width: 100%;
  padding-right: 64px;
}

.auth-toggle-password {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 11px;
  cursor: pointer;
  padding: 0;
}

.auth-password-rules {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  gap: 4px;
}

.auth-password-rules li {
  font-size: 11px;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.auth-password-rules li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.auth-password-rules li.valid {
  color: #4ade80;
}

.auth-password-rules li.valid::before {
  content: '●';
  color: #4ade80;
}

.auth-panel-alt {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-info-box {
  text-align: center;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: var(--radius-md);
  padding: 18px 16px;
}

.auth-info-box h4 {
  margin: 8px 0 6px;
  font-size: 16px;
  color: #fff;
}

.auth-info-box p {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.auth-info-icon {
  font-size: 28px;
}

.auth-oauth-section {
  margin-top: 4px;
}

.auth-divider-compact {
  margin: 14px 0 12px;
}

.auth-google-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.auth-google-btn:hover:not(:disabled) {
  border-color: rgba(124, 58, 237, 0.45);
  background: rgba(124, 58, 237, 0.08);
}

.auth-google-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.auth-google-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.auth-submit-btn {
  margin-top: 10px;
  width: 100%;
  padding: 12px !important;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  margin: 18px 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.auth-divider::before {
  margin-right: .5em;
}

.auth-divider::after {
  margin-left: .5em;
}

.auth-guest-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  width: 100%;
  text-align: center;
  transition: all var(--transition-fast);
  padding: 6px 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.auth-guest-btn:hover {
  color: #ffffff;
}

/* ================================================================
   MULTI-AGENT ORCHESTRATOR & RESEARCH ENGINE UI (Antigravity)
   ================================================================ */

/* --- Floating Agent Badge (inside streaming chat bubble) --- */
.agent-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid var(--accent-primary);
  border-radius: 20px;
  padding: 4px 12px 4px 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.25);
  animation: agentBadgePulse 2s ease-in-out infinite;
  margin-bottom: 10px;
  white-space: nowrap;
}

.agent-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  animation: pulse-glow 1.5s infinite;
  flex-shrink: 0;
}

@keyframes agentBadgePulse {
  0%, 100% { box-shadow: 0 0 12px rgba(124, 58, 237, 0.25); }
  50% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.45); }
}

/* --- Agent Step Checklist (live progress in streaming bubble) --- */
.agent-steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 8px 0 4px 0;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
}

.agent-step {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  opacity: 0.5;
  transition: all 0.35s ease;
}

.agent-step.completed {
  color: var(--success);
  opacity: 1;
}

.agent-step.active {
  color: var(--accent-primary);
  opacity: 1;
  text-shadow: 0 0 6px var(--accent-glow);
}

.agent-step-icon {
  width: 16px;
  text-align: center;
  flex-shrink: 0;
  font-size: 12px;
}

.agent-step.active .agent-step-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- Research Scanner Overlay Effect --- */
.research-scanner-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  box-shadow: 0 0 15px var(--accent-primary), 0 0 30px rgba(124, 58, 237, 0.3);
  animation: researchScan 2s linear infinite;
  pointer-events: none;
  z-index: 5;
  opacity: 0.8;
}

@keyframes researchScan {
  0% { top: 0; opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.8; }
  100% { top: 100%; opacity: 0; }
}