/**
 * FloatBrowse Unified Design System & Glassmorphism Framework
 * Deep Navy, Cyan/Blue accents, Translucent surfaces, Soft shadows, Modern typography.
 */

:root {
  /* Default Dark Mode Theme Variables */
  --fb-bg-app: #060b19;
  --fb-bg-surface: rgba(13, 23, 54, 0.72);
  --fb-bg-surface-elevated: rgba(23, 37, 84, 0.78);
  --fb-bg-glass-card: rgba(17, 31, 72, 0.65);
  --fb-bg-glass-input: rgba(6, 11, 25, 0.60);
  --fb-border-glass: rgba(255, 255, 255, 0.14);
  --fb-border-glass-highlight: rgba(56, 189, 248, 0.40);
  --fb-text-primary: #f8fafc;
  --fb-text-secondary: #94a3b8;
  --fb-text-muted: #64748b;
  --fb-accent-primary: #06b6d4;
  --fb-accent-secondary: #2563eb;
  --fb-accent-glow: rgba(6, 182, 212, 0.38);
  --fb-shadow-surface: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.12);

  /* Shared Tokens */
  --fb-font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --fb-font-mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  --fb-radius-sm: 6px;
  --fb-radius-md: 10px;
  --fb-radius-lg: 16px;
  --fb-radius-xl: 24px;
  --fb-radius-full: 9999px;
  --fb-blur: 24px;
  --fb-saturate: 190%;
  --fb-transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --fb-gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #6366f1 100%);
  --fb-gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 100%);
}

[data-theme="light"] {
  --fb-bg-app: #f0f4f8;
  --fb-bg-surface: rgba(255, 255, 255, 0.78);
  --fb-bg-surface-elevated: rgba(255, 255, 255, 0.92);
  --fb-bg-glass-card: rgba(255, 255, 255, 0.72);
  --fb-bg-glass-input: rgba(241, 245, 249, 0.85);
  --fb-border-glass: rgba(0, 0, 0, 0.09);
  --fb-border-glass-highlight: rgba(14, 116, 144, 0.45);
  --fb-text-primary: #0f172a;
  --fb-text-secondary: #475569;
  --fb-text-muted: #94a3b8;
  --fb-accent-primary: #0891b2;
  --fb-accent-secondary: #2563eb;
  --fb-accent-glow: rgba(8, 145, 178, 0.25);
  --fb-shadow-surface: 0 20px 40px -15px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

/* Base Body Styling */
body {
  margin: 0;
  padding: 0;
  background-color: var(--fb-bg-app);
  color: var(--fb-text-primary);
  font-family: var(--fb-font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  box-sizing: border-box;
  touch-action: pan-x pan-y;
  overscroll-behavior: none;
}

html {
  touch-action: pan-x pan-y;
  overscroll-behavior: none;
}

/* Glassmorphism Surface Base */
.fb-glass-surface {
  background: var(--fb-bg-surface);
  backdrop-filter: blur(var(--fb-blur)) saturate(var(--fb-saturate));
  -webkit-backdrop-filter: blur(var(--fb-blur)) saturate(var(--fb-saturate));
  border: 1px solid var(--fb-border-glass);
  box-shadow: var(--fb-shadow-surface);
  color: var(--fb-text-primary);
  box-sizing: border-box;
  transition: var(--fb-transition);
}

.fb-glass-card {
  background: var(--fb-bg-glass-card);
  backdrop-filter: blur(var(--fb-blur)) saturate(var(--fb-saturate));
  -webkit-backdrop-filter: blur(var(--fb-blur)) saturate(var(--fb-saturate));
  border: 1px solid var(--fb-border-glass);
  border-radius: var(--fb-radius-lg);
  padding: 20px;
  box-shadow: var(--fb-shadow-surface);
  box-sizing: border-box;
  transition: var(--fb-transition);
  position: relative;
  overflow: hidden;
}

.fb-glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.25) 50%, transparent 100%);
  pointer-events: none;
}

.fb-glass-card:hover {
  border-color: var(--fb-border-glass-highlight);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.45), 0 0 20px var(--fb-accent-glow);
}

/* Typography Hierarchy */
.fb-display { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.025em; line-height: 1.15; margin: 0; }
.fb-h1 { font-size: 2.0rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0; }
.fb-h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.015em; line-height: 1.25; margin: 0; }
.fb-h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; margin: 0; }
.fb-h4 { font-size: 1.125rem; font-weight: 600; line-height: 1.35; margin: 0; }
.fb-body-lg { font-size: 1.0rem; line-height: 1.5; color: var(--fb-text-secondary); }
.fb-body { font-size: 0.875rem; line-height: 1.5; color: var(--fb-text-secondary); }
.fb-caption { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fb-text-muted); }
.fb-mono { font-family: var(--fb-font-mono); font-size: 0.8125rem; }

/* Buttons */
.fb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--fb-font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--fb-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--fb-transition);
  text-decoration: none;
  box-sizing: border-box;
  user-select: none;
}

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

.fb-btn-primary {
  background: var(--fb-gradient-accent);
  color: #ffffff;
  box-shadow: 0 4px 14px 0 var(--fb-accent-glow);
  border-color: rgba(255, 255, 255, 0.2);
}

.fb-btn-primary:hover:not(:disabled) {
  filter: brightness(1.1);
  box-shadow: 0 6px 20px 0 var(--fb-accent-glow);
}

.fb-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  color: var(--fb-text-primary);
  border-color: var(--fb-border-glass);
}

.fb-btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--fb-border-glass-highlight);
}

.fb-btn-outline {
  background: transparent;
  color: var(--fb-accent-primary);
  border-color: var(--fb-accent-primary);
}

.fb-btn-outline:hover:not(:disabled) {
  background: var(--fb-accent-glow);
}

.fb-btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
}

.fb-btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.35);
}

.fb-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.fb-btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--fb-radius-md);
}

/* Inputs & Form Elements */
.fb-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--fb-bg-glass-input);
  border: 1px solid var(--fb-border-glass);
  border-radius: var(--fb-radius-md);
  padding: 0 12px;
  gap: 8px;
  transition: var(--fb-transition);
}

.fb-input-wrapper:focus-within {
  border-color: var(--fb-accent-primary);
  box-shadow: 0 0 12px var(--fb-accent-glow);
}

.fb-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--fb-text-primary);
  font-family: var(--fb-font-sans);
  font-size: 0.875rem;
  padding: 10px 0;
}

.fb-input::placeholder {
  color: var(--fb-text-muted);
}

.fb-select {
  background: var(--fb-bg-glass-input);
  border: 1px solid var(--fb-border-glass);
  border-radius: var(--fb-radius-md);
  color: var(--fb-text-primary);
  padding: 10px 14px;
  font-family: var(--fb-font-sans);
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
  transition: var(--fb-transition);
}

.fb-select:focus {
  border-color: var(--fb-accent-primary);
}

/* Switch / Toggle */
.fb-toggle {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
}

.fb-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.fb-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--fb-border-glass);
  border-radius: var(--fb-radius-full);
  transition: var(--fb-transition);
}

.fb-toggle-slider::before {
  position: absolute;
  content: '';
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: var(--fb-radius-full);
  transition: var(--fb-transition);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.fb-toggle input:checked + .fb-toggle-slider {
  background: var(--fb-accent-primary);
  box-shadow: 0 0 12px var(--fb-accent-glow);
}

.fb-toggle input:checked + .fb-toggle-slider::before {
  transform: translateX(20px);
}

/* Floating Glass Orb (Logo & Bubble) */
.fb-orb {
  width: 58px;
  height: 58px;
  border-radius: var(--fb-radius-full);
  background: radial-gradient(circle at 35% 35%, rgba(56, 189, 248, 0.85), rgba(14, 116, 144, 0.6) 60%, rgba(6, 11, 25, 0.95) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.4), 0 8px 24px rgba(6, 182, 212, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: grab;
  transition: var(--fb-transition);
  user-select: none;
}

.fb-orb:hover {
  transform: scale(1.06);
  box-shadow: inset 0 2px 6px rgba(255, 255, 255, 0.6), 0 12px 32px rgba(6, 182, 212, 0.65);
}

.fb-orb:active {
  cursor: grabbing;
  transform: scale(0.95);
}

.fb-orb-pulse {
  position: absolute;
  top: -4px; left: -4px; right: -4px; bottom: -4px;
  border-radius: var(--fb-radius-full);
  border: 1.5px solid var(--fb-accent-primary);
  opacity: 0.6;
  animation: fbPulse 2.4s cubic-bezier(0.24, 0, 0.38, 1) infinite;
  pointer-events: none;
}

@keyframes fbPulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  70% { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}

/* Badge */
.fb-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--fb-radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.fb-badge-active { background: rgba(16, 185, 129, 0.18); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.fb-badge-inactive { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; border: 1px solid rgba(148, 163, 184, 0.3); }
.fb-badge-cyan { background: rgba(6, 182, 212, 0.18); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.4); }

/* Dashboard Layout */
.fb-dashboard-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-sizing: border-box;
}

.fb-hero-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  border-radius: var(--fb-radius-xl);
  background: linear-gradient(135deg, rgba(23, 37, 84, 0.8) 0%, rgba(13, 23, 54, 0.65) 100%);
  border: 1px solid var(--fb-border-glass-highlight);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 24px var(--fb-accent-glow);
}

.fb-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

/* ==========================================================================
   MAINSTREAM BROWSER SHELL STYLING (CHROME DESKTOP & SAFARI MOBILE)
   ========================================================================== */

.fb-browser-shell {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  background-color: var(--fb-bg-app);
  color: var(--fb-text-primary);
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

/* 1. Desktop Tab Strip (Chrome Style) */
.fb-chrome-tabstrip {
  height: 40px;
  background: rgba(6, 11, 25, 0.95);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  user-select: none;
  z-index: 20;
}

[data-theme="light"] .fb-chrome-tabstrip {
  background: #e2e8f0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.fb-tabs-scroll-container {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  overflow-x: auto;
  max-width: calc(100% - 120px);
  scrollbar-width: none;
}
.fb-tabs-scroll-container::-webkit-scrollbar {
  display: none;
}

.fb-chrome-tab {
  height: 34px;
  min-width: 120px;
  max-width: 240px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border-radius: 8px 8px 0 0;
  background: transparent;
  color: var(--fb-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  border-bottom: none;
  transition: all 0.15s ease;
  position: relative;
}

.fb-chrome-tab:hover:not(.active) {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fb-text-primary);
}

.fb-chrome-tab.active {
  background: var(--fb-bg-surface-elevated);
  color: var(--fb-text-primary);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .fb-chrome-tab.active {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.1);
}

.fb-tab-favicon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--fb-accent-primary);
}

.fb-tab-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-tab-close-btn {
  background: transparent;
  border: none;
  color: inherit;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.6;
  padding: 0;
  flex-shrink: 0;
}

.fb-tab-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

.fb-btn-newtab {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-bottom: 3px;
  transition: all 0.15s ease;
}

.fb-btn-newtab:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--fb-text-primary);
}

.fb-window-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.fb-btn-action {
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.fb-btn-action:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--fb-text-primary);
}

/* 2. Desktop Navigation & Omnibox Toolbar */
.fb-chrome-navbar {
  height: 48px;
  background: var(--fb-bg-surface-elevated);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 15;
}

[data-theme="light"] .fb-chrome-navbar {
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.fb-nav-controls {
  display: flex;
  align-items: center;
  gap: 2px;
}

.fb-nav-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--fb-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.fb-nav-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
}

.fb-nav-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.fb-omnibox-container {
  flex: 1;
  height: 36px;
  background: var(--fb-bg-glass-input);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  transition: all 0.2s ease;
}

[data-theme="light"] .fb-omnibox-container {
  background: #f1f5f9;
  border-color: rgba(0, 0, 0, 0.1);
}

.fb-omnibox-container:focus-within {
  background: rgba(6, 11, 25, 0.95);
  border-color: var(--fb-accent-primary);
  box-shadow: 0 0 0 2px var(--fb-accent-glow);
}

[data-theme="light"] .fb-omnibox-container:focus-within {
  background: #ffffff;
  box-shadow: 0 0 0 2px rgba(8, 145, 178, 0.25);
}

.fb-omnibox-security {
  background: transparent;
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: #34d399;
}

.fb-omnibox-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--fb-text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
}

.fb-omnibox-input::placeholder {
  color: var(--fb-text-muted);
}

.fb-omnibox-star {
  background: transparent;
  border: none;
  color: var(--fb-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 50%;
  transition: all 0.15s ease;
}

.fb-omnibox-star:hover {
  color: #facc15;
}

.fb-omnibox-star.bookmarked {
  color: #facc15;
}

.fb-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fb-mode-pill {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--fb-accent-primary);
  border: 1px solid rgba(6, 182, 212, 0.3);
  cursor: pointer;
  transition: all 0.15s ease;
}

.fb-mode-pill:hover {
  background: rgba(6, 182, 212, 0.25);
}

.fb-mode-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  display: inline-block;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.8);
}

[data-floating-mode="circle-first"] .fb-mode-dot {
  background: #f59e0b;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.8);
}

.fb-mini-mode-btn {
  gap: 4px;
  white-space: nowrap;
}

.fb-menu-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--fb-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.fb-menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 3. Main Browser Viewport */
.fb-browser-viewport {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--fb-bg-app);
  overflow: hidden;
}

.fb-page-loading-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, #06b6d4, #3b82f6);
  animation: fb-progress-indeterminate 1.5s infinite linear;
  z-index: 10;
}

@keyframes fb-progress-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.fb-webview-container {
  width: 100%;
  height: 100%;
  flex: 1;
  display: flex;
}

.fb-webview-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
}

/* 4. Minimalist New-Tab Page (Phase 2D) */
.fb-newtab-page {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  box-sizing: border-box;
  animation: fb-fade-in 0.25s ease;
}

.fb-newtab-hero {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.fb-newtab-logo {
  width: 112px;
  height: 112px;
  margin-bottom: 10px;
}

.fb-newtab-title {
  width: min(250px, 70vw);
  height: auto;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 18px;
}

.fb-newtab-title .fb-official-brand-wordmark {
  width: 100%;
  height: auto;
  max-height: 72px;
  object-fit: contain;
}

.fb-newtab-title > span {
  font-size: 2rem;
  font-weight: 800;
}

.fb-newtab-searchbox {
  width: 100%;
  max-width: 760px;
  height: 60px;
  background: var(--fb-bg-surface);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  margin-bottom: 32px;
  transition: all 0.2s ease;
}

[data-theme="light"] .fb-newtab-searchbox {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.fb-newtab-searchbox:focus-within {
  border-color: var(--fb-accent-primary);
  box-shadow: 0 12px 32px var(--fb-accent-glow);
}

.fb-newtab-search-icon {
  color: var(--fb-text-muted);
  display: flex;
}

.fb-newtab-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1rem;
  color: var(--fb-text-primary);
  outline: none;
  font-family: inherit;
}

.fb-newtab-shortcuts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
  max-width: 580px;
  margin-bottom: 40px;
}

.fb-shortcut-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--fb-text-primary);
  cursor: pointer;
  transition: all 0.18s ease;
}

.fb-shortcut-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--fb-accent-primary);
  transform: translateY(-2px);
}

.fb-shortcut-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.15);
  color: var(--fb-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fb-shortcut-title {
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.fb-newtab-privacy-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--fb-text-muted);
}

/* 5. Mobile Safari-Style Layout (Phase 3) */
.fb-mobile-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.fb-mobile-topbar {
  padding: 10px 14px;
  background: var(--fb-bg-surface-elevated);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  z-index: 20;
}

.fb-mobile-address-pill {
  flex: 1;
  height: 38px;
  background: var(--fb-bg-glass-input);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  cursor: pointer;
}

.fb-mobile-lock {
  display: flex;
  color: #34d399;
}

.fb-mobile-address-text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--fb-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-mobile-reload-btn {
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  padding: 0;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.fb-mobile-viewport {
  flex: 1;
}

.fb-mobile-bottombar {
  height: 52px;
  background: var(--fb-bg-surface-elevated);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 10px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  z-index: 20;
}

.fb-mobile-btn {
  background: transparent;
  border: none;
  color: var(--fb-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
}

.fb-mobile-btn:disabled {
  opacity: 0.3;
}

.fb-tabs-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fb-tabs-count-badge {
  position: absolute;
  top: -2px;
  right: -6px;
  background: var(--fb-accent-primary);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 6. Modals & Sheets (Phase 4) */
.fb-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fb-fade-in 0.18s ease;
}

.fb-modal-card {
  width: 480px;
  max-width: 90vw;
  max-height: 85vh;
  background: var(--fb-bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: fb-slide-up 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fb-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fb-modal-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.fb-modal-close-btn {
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
}

.fb-modal-close-btn:hover {
  color: var(--fb-text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.fb-modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}

.fb-menu-header {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fb-menu-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--fb-accent-primary);
}

.fb-menu-list {
  display: flex;
  flex-direction: column;
  padding: 8px 6px;
}

.fb-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--fb-text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.12s ease;
  width: 100%;
  box-sizing: border-box;
}

.fb-menu-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.fb-menu-icon {
  display: flex;
  color: var(--fb-accent-primary);
}

.fb-menu-text {
  flex: 1;
  text-align: left;
}

.fb-menu-shortcut {
  font-size: 0.75rem;
  color: var(--fb-text-muted);
}

.fb-menu-divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 6px 0;
}

/* Tab Switcher Grid */
.fb-mobile-tabswitcher-card {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  border-radius: 0;
  background: var(--fb-bg-app);
}

.fb-tabswitcher-grid {
  flex: 1;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  overflow-y: auto;
}

.fb-tab-card {
  height: 180px;
  background: var(--fb-bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.18s ease;
}

.fb-tab-card.active {
  border-color: var(--fb-accent-primary);
  box-shadow: 0 0 16px var(--fb-accent-glow);
}

.fb-tab-card-header {
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 6px;
}

.fb-tab-card-title {
  flex: 1;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-tab-card-close {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 2px;
  display: flex;
}

.fb-tab-card-preview {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  font-size: 0.75rem;
  color: var(--fb-text-muted);
  text-align: center;
}

.fb-tabswitcher-footer {
  padding: 14px;
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* 6. Chrome-Style Structured Dropdown Menu */
.fb-chrome-menu-card {
  width: 320px;
  max-width: 90vw;
  max-height: 88vh;
  border-radius: 12px;
  background: rgba(13, 23, 54, 0.95);
  backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.65);
}

[data-theme="light"] .fb-chrome-menu-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.15);
}

.fb-chrome-menu-header {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fb-user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fb-user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fb-user-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fb-user-name {
  font-size: 0.8125rem;
  font-weight: 600;
}

.fb-chrome-menu-content {
  padding: 6px 0;
  overflow-y: auto;
  max-height: calc(88vh - 60px);
}

.fb-menu-section {
  display: flex;
  flex-direction: column;
  padding: 2px 4px;
}

.fb-menu-zoom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  font-size: 0.875rem;
}

.fb-zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.fb-zoom-btn {
  background: transparent;
  border: none;
  color: var(--fb-text-primary);
  font-weight: 700;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
}

.fb-zoom-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.fb-zoom-value {
  font-size: 0.75rem;
  font-weight: 600;
  min-width: 40px;
  text-align: center;
}

.fb-menu-chevron {
  color: var(--fb-text-muted);
  font-size: 1.1rem;
  line-height: 1;
}

/* 7. Find in Page Bar */
.fb-find-in-page-bar {
  position: absolute;
  top: 48px;
  right: 20px;
  height: 38px;
  background: var(--fb-bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 6px;
  z-index: 50;
  animation: fb-slide-up 0.15s ease;
}

.fb-find-input {
  background: transparent;
  border: none;
  color: var(--fb-text-primary);
  font-size: 0.8125rem;
  outline: none;
  width: 140px;
}

.fb-find-count {
  font-size: 0.75rem;
  color: var(--fb-text-muted);
  min-width: 50px;
}

.fb-find-btn {
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.fb-find-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--fb-text-primary);
}

/* 8. Passwords Manager Modal */
.fb-passwords-card {
  width: 560px;
}

.fb-passwords-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.fb-passwords-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
}

.fb-password-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.fb-password-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fb-password-origin {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fb-accent-primary);
}

.fb-password-user {
  font-size: 0.75rem;
  color: var(--fb-text-secondary);
}

.fb-password-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fb-password-preview {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: inherit;
  font-size: 0.8125rem;
  padding: 4px 8px;
  width: 100px;
}

.fb-pwd-action {
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
}

.fb-pwd-action:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--fb-text-primary);
}

/* 9. Extensions Modal */
.fb-extensions-card {
  width: 600px;
}

.fb-extension-platform-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 16px;
  padding: 16px;
  border: 1px solid var(--fb-border-glass-highlight);
  border-radius: var(--fb-radius-lg);
  background: var(--fb-bg-glass-card);
}

.fb-extension-platform-notice-copy {
  min-width: 0;
}

.fb-extension-platform-notice-copy strong {
  color: var(--fb-text-primary);
}

.fb-extension-platform-notice-copy p {
  margin: 6px 0 0;
  color: var(--fb-text-secondary);
  font-size: 0.82rem;
  line-height: 1.5;
}

.fb-extension-platform-notice .fb-btn {
  flex: 0 0 auto;
  text-decoration: none;
  white-space: nowrap;
}

.fb-extensions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fb-extension-row {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.2s ease;
}

.fb-extension-row.enabled {
  border-color: rgba(6, 182, 212, 0.35);
  background: rgba(6, 182, 212, 0.04);
}

.fb-ext-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fb-ext-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--fb-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fb-ext-title-col {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.fb-ext-author {
  font-size: 0.75rem;
  color: var(--fb-text-muted);
}

.fb-ext-desc {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--fb-text-secondary);
}

.fb-ext-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--fb-text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 6px;
}

.fb-toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.fb-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.fb-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.2);
  transition: 0.2s;
  border-radius: 20px;
}

.fb-toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.2s;
  border-radius: 50%;
}

.fb-toggle-switch input:checked + .fb-toggle-slider {
  background-color: var(--fb-accent-primary);
}

.fb-toggle-switch input:checked + .fb-toggle-slider:before {
  transform: translateX(16px);
}

/* 10. Clear Browsing Data & Settings Sliders */
.fb-cleardata-card {
  width: 480px;
}

.fb-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fb-check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.fb-check-item p {
  margin: 2px 0 0;
  font-size: 0.75rem;
  color: var(--fb-text-secondary);
}

.fb-settings-modal-card {
  width: 580px;
}

.fb-setting-slider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.fb-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--fb-text-secondary);
}

.fb-range-slider {
  width: 100%;
  accent-color: var(--fb-accent-primary);
  cursor: pointer;
}

.fb-transparency-preview-card {
  margin-top: 14px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(13, 23, 54, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.fb-preview-content strong {
  color: var(--fb-text-primary);
  font-size: 0.875rem;
}

.fb-preview-content p {
  margin: 4px 0 0;
  font-size: 0.75rem;
  color: var(--fb-text-secondary);
}

/* Stealth Incognito Mode */
.fb-incognito-mode {
  --fb-bg-app: #030712;
  --fb-bg-surface-elevated: #111827;
  --fb-accent-primary: #a855f7;
  --fb-accent-glow: rgba(168, 85, 247, 0.35);
}

/* 11. Full In-Tab Browser Internal Pages (Phases 8-17) */
.fb-internal-page {
  flex: 1;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  background: var(--fb-bg-app);
  color: var(--fb-text-primary);
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  animation: fb-fade-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fb-internal-container {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.fb-internal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 16px;
}

.fb-internal-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fb-internal-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--fb-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fb-internal-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.fb-internal-search {
  position: relative;
  display: flex;
  align-items: center;
}

.fb-internal-search input {
  background: var(--fb-bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 8px 16px 8px 36px;
  color: var(--fb-text-primary);
  font-size: 0.875rem;
  outline: none;
  width: 240px;
  transition: all 0.2s ease;
}

.fb-internal-search input:focus {
  border-color: var(--fb-accent-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
  width: 280px;
}

.fb-internal-search-icon {
  position: absolute;
  left: 12px;
  color: var(--fb-text-muted);
  pointer-events: none;
  display: flex;
}

/* Firefox-Style Settings Layout */
.fb-settings-app {
  display: flex;
  flex-direction: row;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.fb-settings-sidebar {
  width: 240px;
  background: var(--fb-bg-surface);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  box-sizing: border-box;
}

.fb-settings-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.fb-settings-nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fb-text-primary);
}

.fb-settings-nav-item.active {
  background: rgba(6, 182, 212, 0.16);
  color: var(--fb-accent-primary);
}

.fb-settings-content-pane {
  flex: 1;
  overflow-y: auto;
  padding: 32px 40px;
  box-sizing: border-box;
}

.fb-settings-category-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 720px;
}

.fb-settings-group-card {
  background: var(--fb-bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fb-settings-group-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fb-text-primary);
}

/* History Page In-Tab Styles */
.fb-history-date-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fb-history-date-header {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fb-text-muted);
  margin: 12px 0 4px;
}

.fb-history-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--fb-bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  transition: all 0.12s ease;
}

.fb-history-item-row:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.fb-history-item-main {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.fb-history-item-time {
  font-size: 0.75rem;
  color: var(--fb-text-muted);
  min-width: 55px;
}

.fb-history-item-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fb-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-history-item-url {
  font-size: 0.75rem;
  color: var(--fb-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: 8px;
}

.fb-history-item-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Bookmarks & Downloads Cards */
.fb-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.fb-library-card {
  background: var(--fb-bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.15s ease;
}

.fb-library-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(6, 182, 212, 0.35);
  transform: translateY(-2px);
}

.fb-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fb-card-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fb-accent-primary);
}

.fb-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fb-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.fb-card-meta {
  font-size: 0.75rem;
  color: var(--fb-text-muted);
}

.fb-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 8px;
}

/* About Page In-Tab */
.fb-about-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 36px 20px;
  gap: 12px;
}

.fb-about-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 4px;
}

.fb-about-appname {
  width: min(250px, 70vw);
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.fb-about-appname .fb-official-brand-wordmark,
.fb-menu-wordmark .fb-official-brand-wordmark {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.fb-menu-wordmark {
  width: 92px;
  display: inline-flex;
  align-items: center;
}

.fb-about-version {
  font-size: 0.95rem;
  color: var(--fb-text-secondary);
  font-weight: 600;
}

.fb-about-details-card {
  background: var(--fb-bg-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fb-about-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.fb-about-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Persistent Floating Bubble */
.yayra-floating-bubble-persistent {
  position: fixed;
  z-index: 99999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(13, 23, 54, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.yayra-floating-bubble-persistent:active {
  cursor: grabbing;
  transform: scale(0.96);
}

.yayra-bubble-loading-ring {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--fb-accent-primary);
  border-right-color: #3b82f6;
  animation: fb-bubble-spin 1s infinite linear;
}

@keyframes fb-bubble-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fb-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fb-slide-up {
  from { transform: translateY(12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}



.fb-tab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--fb-radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--fb-border-glass);
  color: var(--fb-text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--fb-transition);
}

.fb-tab-item.active {
  background: var(--fb-accent-primary);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 14px var(--fb-accent-glow);
}

.fb-tab-item:hover:not(.active) {
  background: rgba(255, 255, 255, 0.1);
  color: var(--fb-text-primary);
}

/* Responsive Mobile Rules */
@media (max-width: 768px) {
  .fb-dashboard-container {
    padding: 12px;
    gap: 16px;
  }
  .fb-hero-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }
  .fb-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* =============================================================
   1. RADIAL LAUNCHER WHEEL (ARC / ASSISTIVETOUCH AI & ACTIONS)
   ============================================================= */
.yayra-radial-launcher-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 15, 26, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fb-radial-fade 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.yayra-radial-container {
  position: relative;
  width: 380px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.yayra-radial-center-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  color: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.yayra-radial-center-btn:hover {
  transform: scale(1.1);
  background: #ffffff;
  color: #000000;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.yayra-radial-item {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.yayra-radial-item.dark-featured,
.yayra-radial-item.dark-orb {
  background: #09090b;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.yayra-radial-item.dark-featured {
  width: 54px;
  height: 54px;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.yayra-radial-item.show-pill-always .yayra-radial-tooltip-pill {
  opacity: 1 !important;
  pointer-events: auto;
}

.yayra-radial-bottom-btn {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #334155;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.yayra-radial-bottom-btn:hover {
  transform: translate(0px, 175px) scale(1.12) !important;
  background: #1e293b;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55);
}

.yayra-radial-item:hover {
  transform: translate(var(--dx, 0), var(--dy, 0)) scale(1.16) !important;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(6, 182, 212, 0.5) !important;
  z-index: 20;
}

.yayra-radial-tooltip-pill {
  position: absolute;
  left: 56px;
  top: 50%;
  transform: translateY(-50%);
  background: #ffffff;
  color: #09090b;
  font-size: 0.825rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 30;
}

.yayra-radial-item:hover .yayra-radial-tooltip-pill,
.yayra-radial-item:focus .yayra-radial-tooltip-pill {
  opacity: 1;
}

@keyframes fb-radial-fade {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

/* =============================================================
   2. FLOATING MINI-BROWSER WINDOW OVERLAY (BUBBLE POPUP)
   ============================================================= */
.fb-floating-popup-window {
  position: fixed;
  bottom: 84px;
  right: 24px;
  width: 580px;
  height: 640px;
  min-width: 360px;
  min-height: 420px;
  max-width: 98vw;
  max-height: 94vh;
  background: rgba(10, 15, 29, 0.95);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.75), 0 0 32px rgba(6, 182, 212, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 99998;
  animation: fb-slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  resize: both;
}

.fb-floating-popup-header {
  height: 42px;
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.fb-floating-popup-header:active {
  cursor: grabbing;
}

.fb-floating-popup-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--fb-text-primary);
}

.fb-floating-popup-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fb-floating-popup-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.fb-floating-popup-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--fb-text-primary);
}

.fb-floating-popup-btn.primary-expand:hover {
  background: var(--fb-accent-primary);
  color: #ffffff;
}

.fb-floating-popup-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* The mini browser uses the same tab strip and omnibox language as the main browser. */
.fb-mini-tabstrip {
  flex: 0 0 36px;
  height: 36px;
  padding: 0 8px;
  align-items: flex-end;
}

.fb-mini-tabstrip .fb-tabs-scroll-container {
  max-width: 100%;
  width: 100%;
}

.fb-mini-tabstrip .fb-tab-item {
  height: 30px;
  min-width: 150px;
  max-width: 280px;
  padding: 0 10px;
  font-size: 0.78rem;
}

.fb-mini-tabstrip .fb-btn-newtab {
  margin-bottom: 1px;
}

.fb-mini-navbar {
  flex: 0 0 46px;
  height: 46px;
  min-width: 0;
  padding: 0 8px;
  gap: 6px;
}

.fb-mini-navbar .fb-nav-controls,
.fb-mini-navbar .fb-toolbar-actions {
  gap: 2px;
  flex: 0 0 auto;
}

.fb-mini-navbar .fb-nav-btn,
.fb-mini-navbar .fb-action-btn {
  width: 28px;
  height: 28px;
}

.fb-mini-navbar .fb-omnibox-container {
  min-width: 0;
  height: 32px;
  gap: 5px;
  padding: 0 8px;
}

.fb-mini-navbar .fb-toolbar-brand {
  gap: 4px;
  padding: 2px 4px;
  margin-right: 0;
}

.fb-mini-navbar .fb-toolbar-brand-text {
  display: none;
}

.fb-mini-navbar .fb-mode-pill {
  width: auto;
  min-width: 28px;
  height: 28px;
  padding: 0 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.fb-mini-navbar .fb-mode-text {
  font-size: 0.68rem;
}

.fb-mini-navbar .fb-omnibox-input {
  min-width: 0;
  font-size: 0.8rem;
}

/* Developer Advertisement Links Badge Showcase (Sleek & Non-Overshadowing) */
.fb-dev-ad-showcase {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  margin: 0 auto 16px auto;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  backdrop-filter: blur(12px);
  scrollbar-width: none;
}

.fb-dev-ad-showcase::-webkit-scrollbar {
  display: none;
}

.fb-dev-ad-card {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: max-content;
  height: 32px;
  padding: 0 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
}

.fb-dev-ad-card:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(6, 182, 212, 0.6);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.35);
}

.fb-dev-ad-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  border-radius: 50%;
  object-fit: contain;
}

.fb-dev-ad-label {
  max-width: 150px;
  overflow: hidden;
  color: var(--fb-text-secondary);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fb-dev-ad-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #09090b;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: opacity 0.15s ease;
  z-index: 100;
}

.fb-dev-ad-card:hover .fb-dev-ad-tooltip {
  opacity: 1;
}

/* =============================================================
   3. SECURITY BADGE & SEARCH ENGINE DROPDOWN
   ============================================================= */
.fb-security-dropdown {
  position: absolute;
  top: 44px;
  left: 0;
  width: 280px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  padding: 14px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fb-slide-up 0.15s ease;
}

.fb-security-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  font-weight: 700;
  color: #34d399;
}

.fb-search-engine-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fb-search-engine-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--fb-text-secondary);
  transition: all 0.12s ease;
}

.fb-search-engine-option:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fb-text-primary);
}

.fb-search-engine-option.active {
  background: rgba(6, 182, 212, 0.15);
  color: var(--fb-accent-primary);
  font-weight: 700;
}

/* =============================================================
   4. TOOLBAR BRAND BESIDE SECURITY BADGE
   ============================================================= */
.fb-toolbar-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  margin-right: 4px;
  border-radius: 6px;
  color: var(--fb-text-primary);
  font-weight: 800;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  user-select: none;
}

.fb-toolbar-brand-orb {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.fb-official-brand-orb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.fb-official-brand-wordmark {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* =============================================================
   5. FULL RIGHT-SIDE DRAWER MENU (NO BLUR)
   ============================================================= */
.fb-side-drawer-scrim {
  position: absolute;
  inset: 0;
  z-index: 1999;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: default;
}

.fb-side-drawer-menu {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  background: #090d16;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: -10px 0 36px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  z-index: 2000;
  animation: fb-drawer-slide 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  /* CRITICAL: NO BLUR ON WORKSPACE */
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

@keyframes fb-drawer-slide {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.fb-side-drawer-header {
  height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.fb-side-drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fb-drawer-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--fb-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: all 0.12s ease;
}

.fb-drawer-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--fb-text-primary);
}

.fb-drawer-item.active {
  background: rgba(6, 182, 212, 0.15);
  color: var(--fb-accent-primary);
  font-weight: 700;
}

.fb-drawer-separator {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 6px 4px;
}

/* Update Section in 3-Dot Menu Top */
.fb-drawer-update-section {
  padding: 4px 4px 10px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 6px;
}

.fb-drawer-update-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25), rgba(59, 130, 246, 0.25));
  border: 1px solid rgba(6, 182, 212, 0.4);
  border-radius: 10px;
  color: #ffffff;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.2);
}

.fb-drawer-update-btn:hover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.35), rgba(59, 130, 246, 0.35));
  border-color: rgba(6, 182, 212, 0.6);
  transform: translateY(-1px);
}

.fb-update-badge-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--fb-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #060b19;
  flex-shrink: 0;
  animation: fb-pulse-spin 3s infinite ease-in-out;
}

@keyframes fb-pulse-spin {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.fb-update-text-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fb-update-text-group strong {
  font-size: 0.85rem;
  color: #ffffff;
}

.fb-update-text-group span {
  font-size: 0.725rem;
  color: rgba(255, 255, 255, 0.75);
}

.fb-drawer-update-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
}

.fb-update-status-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fb-status-orb {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
}

.fb-status-orb.pulse {
  background: #38bdf8;
  animation: fb-pulse 1.5s infinite;
}

.fb-update-status-text {
  font-size: 0.785rem;
  color: var(--fb-text-muted);
}

/* Submenu Flyout / Accordion for 3-Dot Menu */
.fb-drawer-item-has-submenu {
  position: relative;
  width: 100%;
}

.fb-drawer-item kbd {
  margin-left: auto;
  font-size: 0.725rem;
  color: var(--fb-text-muted);
  font-family: inherit;
  font-weight: 400;
  padding-left: 8px;
}

.fb-drawer-item .fb-submenu-arrow {
  margin-left: auto;
  opacity: 0.6;
  display: flex;
  align-items: center;
}

.fb-drawer-submenu {
  display: none;
  position: absolute;
  top: -4px;
  right: calc(100% - 1px);
  width: 270px;
  background: #131722;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 8px 6px;
  box-shadow: -8px 8px 28px rgba(0, 0, 0, 0.6);
  z-index: 2100;
  flex-direction: column;
  gap: 2px;
}

.fb-drawer-item-has-submenu:hover > .fb-drawer-submenu,
.fb-drawer-item-has-submenu.open > .fb-drawer-submenu {
  display: flex;
  animation: fb-submenu-fade 0.15s ease;
}

/* Click/tap activation uses an inline accordion. This keeps More tools and
   other flyouts inside the scrollable drawer instead of clipping them at the
   drawer-content overflow boundary. Hover-only desktop flyouts remain above. */
.fb-drawer-item-has-submenu.open > .fb-drawer-submenu {
  position: static;
  width: auto;
  max-height: none;
  margin: 2px 8px 6px 24px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
  transform: none;
}

.fb-drawer-item-has-submenu.open > .fb-drawer-submenu .fb-drawer-item {
  font-size: 0.82rem;
  padding: 8px 10px;
}

@keyframes fb-submenu-fade {
  from { opacity: 0; transform: translateX(6px); }
  to { opacity: 1; transform: translateX(0); }
}

.fb-submenu-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--fb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 10px 2px 10px;
}

/* =============================================================
   6. SPONSORED & FEATURED SHOWCASE ABOVE LOGO (NEW TAB)
   ============================================================= */
.fb-sponsored-showcase {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 24px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.fb-sponsored-showcase::-webkit-scrollbar {
  display: none;
}

.fb-sponsored-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
}

.fb-sponsored-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fb-text-muted);
}

.fb-sponsored-manage-btn {
  background: transparent;
  border: none;
  color: var(--fb-accent-primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.12s ease;
}

.fb-sponsored-manage-btn:hover {
  background: rgba(6, 182, 212, 0.12);
}

.fb-sponsored-list {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.fb-sponsored-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  color: var(--fb-text-primary);
  text-decoration: none;
  font-size: 0.825rem;
  font-weight: 600;
  transition: all 0.15s ease;
  cursor: pointer;
}

.fb-sponsored-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.fb-sponsored-icon {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  object-fit: contain;
}

/* =============================================================
   7. CUTE COMPACT TAB STRIP & TOOLBAR BUTTON REFINEMENTS
   ============================================================= */
.fb-chrome-tabstrip {
  height: 36px !important;
  padding: 0 8px 0 10px !important;
}

.fb-tab-item {
  height: 30px !important;
  padding: 0 10px !important;
  font-size: 0.8rem !important;
  border-radius: 8px 8px 0 0 !important;
}

.fb-tab-close-btn {
  width: 16px !important;
  height: 16px !important;
  font-size: 11px !important;
}

/* Downloads and Extensions Buttons: Transparent without white background */
.fb-toolbar-downloads-btn,
.fb-toolbar-extensions-btn,
.fb-toolbar-action-btn {
  background: transparent !important;
  border: none !important;
  width: 30px !important;
  height: 30px !important;
  border-radius: 6px !important;
  color: var(--fb-text-secondary) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.12s ease;
}

.fb-toolbar-downloads-btn:hover,
.fb-toolbar-extensions-btn:hover,
.fb-toolbar-action-btn:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--fb-text-primary) !important;
}

/* =============================================================
   8. FREQUENT SITES GRID WITH AUTHENTIC LOGOS
   ============================================================= */
.fb-frequent-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin: 16px 0 24px;
}

.fb-frequent-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 84px;
  padding: 10px 6px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--fb-text-primary);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.fb-frequent-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(6, 182, 212, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.fb-frequent-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.fb-frequent-title {
  font-size: 0.775rem;
  font-weight: 600;
  text-align: center;
  color: var(--fb-text-secondary);
}

/* =============================================================
   9. DOWNLOADS VIEW MODE TOGGLE & LOCATION BUTTON
   ============================================================= */
.fb-downloads-view-toggle {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.fb-dl-view-btn {
  background: transparent;
  border: none;
  color: var(--fb-text-secondary);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.fb-dl-view-btn.active {
  background: var(--fb-accent-primary);
  color: #ffffff;
}

.fb-downloads-grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.fb-in-dl-location-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--fb-text-secondary);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.775rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.12s ease;
}

.fb-in-dl-location-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--fb-text-primary);
  border-color: rgba(6, 182, 212, 0.4);
}


/* User-selectable accent themes. Blue remains the default theme. */
[data-color-theme="purple"] {
  --fb-accent-primary: #a78bfa;
  --fb-accent-secondary: #7c3aed;
  --fb-accent-glow: rgba(167, 139, 250, 0.34);
  --fb-gradient-accent: linear-gradient(135deg, #c4b5fd 0%, #8b5cf6 52%, #6d28d9 100%);
}

[data-color-theme="green"] {
  --fb-accent-primary: #34d399;
  --fb-accent-secondary: #059669;
  --fb-accent-glow: rgba(52, 211, 153, 0.32);
  --fb-gradient-accent: linear-gradient(135deg, #6ee7b7 0%, #10b981 52%, #047857 100%);
}

[data-color-theme="rose"] {
  --fb-accent-primary: #fb7185;
  --fb-accent-secondary: #e11d48;
  --fb-accent-glow: rgba(251, 113, 133, 0.32);
  --fb-gradient-accent: linear-gradient(135deg, #fda4af 0%, #f43f5e 52%, #be123c 100%);
}

[data-color-theme="amber"] {
  --fb-accent-primary: #fbbf24;
  --fb-accent-secondary: #d97706;
  --fb-accent-glow: rgba(251, 191, 36, 0.3);
  --fb-gradient-accent: linear-gradient(135deg, #fde68a 0%, #f59e0b 52%, #b45309 100%);
}

[data-theme="dark"][data-color-theme="purple"] {
  --fb-bg-app: #100b20;
  --fb-bg-surface: rgba(35, 22, 70, 0.74);
  --fb-bg-surface-elevated: rgba(53, 30, 105, 0.8);
  --fb-bg-glass-card: rgba(42, 25, 84, 0.68);
}

[data-theme="dark"][data-color-theme="green"] {
  --fb-bg-app: #061914;
  --fb-bg-surface: rgba(8, 45, 35, 0.74);
  --fb-bg-surface-elevated: rgba(10, 70, 52, 0.8);
  --fb-bg-glass-card: rgba(8, 58, 44, 0.68);
}

[data-theme="dark"][data-color-theme="rose"] {
  --fb-bg-app: #200b16;
  --fb-bg-surface: rgba(67, 20, 39, 0.74);
  --fb-bg-surface-elevated: rgba(105, 25, 55, 0.8);
  --fb-bg-glass-card: rgba(82, 22, 46, 0.68);
}

[data-theme="dark"][data-color-theme="amber"] {
  --fb-bg-app: #1f1606;
  --fb-bg-surface: rgba(73, 48, 8, 0.74);
  --fb-bg-surface-elevated: rgba(105, 67, 8, 0.8);
  --fb-bg-glass-card: rgba(82, 53, 8, 0.68);
}

/* iPhone Safari-inspired tab rail and bottom address controls. */
.fb-mobile-safari-tabbar {
  width: min(100%, 520px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--fb-border-glass);
  border-radius: 999px;
  background: var(--fb-bg-surface);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}

.fb-mobile-safari-tab-btn {
  min-height: 38px;
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fb-text-primary);
  background: transparent;
  cursor: pointer;
  transition: var(--fb-transition);
}

.fb-mobile-safari-tab-btn:hover,
.fb-mobile-safari-tab-btn:focus-visible,
.fb-mobile-safari-tab-btn:first-child {
  background: var(--fb-bg-surface-elevated);
  color: var(--fb-accent-primary);
  outline: none;
}

.fb-mobile-address-row,
.fb-mobile-secondary-tools {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.fb-mobile-address-row {
  max-width: 680px;
}

.fb-mobile-secondary-tools {
  max-width: 360px;
  justify-content: space-around;
  padding-top: 2px;
}

.fb-mobile-bottombar {
  height: auto;
  min-height: 76px;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px calc(8px + env(safe-area-inset-bottom, 0px));
}

.fb-mobile-address-pill {
  min-width: 0;
  height: 40px;
  justify-content: center;
  background: var(--fb-bg-glass-input);
  border-color: var(--fb-border-glass);
  box-shadow: 0 4px 14px var(--fb-accent-glow);
}

.fb-mobile-pill-text {
  min-width: 0;
  flex: 1;
  text-align: center;
}

.fb-mobile-pill-host,
.fb-mobile-pill-sub {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fb-mobile-pill-host {
  color: var(--fb-text-primary);
  font-size: 0.82rem;
  font-weight: 700;
}

.fb-mobile-pill-sub {
  color: var(--fb-text-muted);
  font-size: 0.66rem;
}

.fb-mobile-nav-btn {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fb-text-primary);
  background: transparent;
  cursor: pointer;
}

.fb-mobile-nav-btn:hover,
.fb-mobile-nav-btn:focus-visible,
.fb-mobile-nav-btn.active {
  color: var(--fb-accent-primary);
  background: var(--fb-accent-glow);
  outline: none;
}

.fb-mobile-nav-btn:disabled {
  opacity: 0.3;
}

/* Safari start-page sections preserve Yayra's tools while adding familiar
   iPhone-style Extensions, Favorites, Suggestions, Privacy, Reading List,
   and Recently Closed surfaces. */
.fb-mobile-safari-start-page {
  justify-content: flex-start;
  align-items: stretch;
  overflow-y: auto;
  padding: 20px 16px 28px;
  gap: 12px;
}

.fb-mobile-safari-start-page .fb-newtab-hero {
  margin-top: 10px;
}

.fb-mobile-safari-start-page .fb-newtab-logo {
  width: 96px;
  height: 96px;
}

.fb-mobile-safari-start-page .fb-newtab-title {
  width: min(190px, 62vw);
  min-height: 34px;
  margin-bottom: 14px;
}

.fb-mobile-safari-start-page .fb-newtab-searchbox {
  max-width: none;
  height: 58px;
  margin-bottom: 8px;
}

.fb-mobile-safari-extension-card,
.fb-mobile-safari-section {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--fb-border-glass);
  border-radius: 22px;
  background: var(--fb-bg-surface);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: var(--fb-shadow-surface);
}

.fb-mobile-safari-extension-card {
  padding: 18px;
  text-align: center;
}

.fb-mobile-safari-extension-art {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--fb-accent-primary);
}

.fb-mobile-safari-extension-art span {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: var(--fb-accent-glow);
  border: 1px solid var(--fb-border-glass-highlight);
}

.fb-mobile-safari-extension-card h2,
.fb-mobile-safari-section h2 {
  margin: 0;
  color: var(--fb-text-primary);
  font-size: 1.15rem;
}

.fb-mobile-safari-extension-card p,
.fb-mobile-safari-section p {
  margin: 8px 0 14px;
  color: var(--fb-text-secondary);
  line-height: 1.45;
}

.fb-mobile-safari-extension-btn {
  width: 100%;
}

.fb-mobile-safari-section {
  padding: 16px;
}

.fb-mobile-safari-section > h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.fb-mobile-safari-privacy-card .fb-mobile-safari-report-body {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fb-mobile-safari-report-body p {
  margin: 0;
}

.fb-mobile-safari-report-icon,
.fb-mobile-safari-list-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--fb-accent-primary);
  background: var(--fb-accent-glow);
}

.fb-mobile-safari-list-row,
.fb-mobile-safari-closed-row {
  width: 100%;
  border: 0;
  border-top: 1px solid var(--fb-border-glass);
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  color: var(--fb-text-primary);
  background: transparent;
  cursor: pointer;
}

.fb-mobile-safari-list-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.fb-mobile-safari-list-copy strong,
.fb-mobile-safari-list-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fb-mobile-safari-list-copy small {
  margin-top: 3px;
  color: var(--fb-text-muted);
}

.fb-mobile-safari-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.fb-mobile-safari-section-heading h2 {
  margin: 0;
}

.fb-mobile-safari-clear {
  border: 0;
  background: transparent;
  color: var(--fb-accent-primary);
  cursor: pointer;
}

.fb-mobile-safari-empty {
  margin: 0 !important;
  color: var(--fb-text-muted) !important;
}

/* Official uploaded brand assets used by the running dev app and packaged builds. */
.fb-newtab-logo .fb-official-brand-orb,
.fb-about-logo .fb-official-brand-orb,
.yayra-floating-bubble-persistent .fb-official-brand-orb {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.fb-newtab-logo .fb-official-brand-orb,
.fb-about-logo .fb-official-brand-orb {
  filter: drop-shadow(0 8px 16px rgba(6, 182, 212, 0.34));
}

.fb-toolbar-brand-text {
  width: 42px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
}

.fb-toolbar-brand-text .fb-official-brand-wordmark {
  width: 100%;
  height: 100%;
}

.fb-mini-navbar .fb-toolbar-brand-text {
  width: 0;
}

/* Google-style omnibox suggestions, shared by desktop, mobile, new-tab, and
   the floating mini-browser. */
.fb-search-suggestions-host {
  position: relative;
}

.fb-search-suggestions {
  position: absolute;
  top: auto;
  bottom: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 2500;
  overflow: hidden;
  padding: 6px;
  border: 1px solid var(--fb-border-glass);
  border-radius: 18px;
  background: var(--fb-bg-surface-elevated);
  backdrop-filter: blur(28px) saturate(165%);
  -webkit-backdrop-filter: blur(28px) saturate(165%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.32), 0 0 0 1px var(--fb-accent-glow);
}

.fb-newtab-searchbox .fb-search-suggestions {
  top: auto;
  bottom: calc(100% + 10px);
}

.fb-search-suggestion {
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border: 0;
  border-radius: 12px;
  color: var(--fb-text-primary);
  background: transparent;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.fb-search-suggestion:hover,
.fb-search-suggestion:focus-visible,
.fb-search-suggestion.active {
  background: var(--fb-accent-glow);
  outline: none;
}

.fb-search-suggestion-icon {
  display: inline-flex;
  flex: 0 0 22px;
  color: var(--fb-text-primary);
}

.fb-search-suggestion-text {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 1rem;
}

.fb-search-suggestion-use {
  display: inline-flex;
  flex: 0 0 20px;
  color: var(--fb-text-muted);
  transform: rotate(-45deg);
}

.fb-search-backdrop {
  align-items: flex-end;
  padding: 10px;
  padding-bottom: max(10px, env(safe-area-inset-bottom, 0px));
}

.fb-mobile-search-overlay {
  width: min(720px, calc(100vw - 20px));
  max-width: 720px;
  max-height: min(88dvh, var(--fb-search-visible-height, 88dvh));
  min-height: min(280px, calc(100dvh - 20px));
  border-radius: 26px;
  overflow: visible;
}

.fb-mobile-search-overlay .fb-modal-header {
  padding: 15px 18px 10px;
  border-bottom: 0;
}

.fb-mobile-search-overlay .fb-modal-title {
  font-size: 0.92rem;
  color: var(--fb-text-secondary);
}

.fb-mobile-search-overlay .fb-modal-body {
  min-height: 0;
  padding: 0 14px 16px;
  overflow: visible;
}

#fb-mobile-search-form {
  position: relative;
  display: flex !important;
  align-items: center;
  gap: 8px;
}

#fb-mobile-search-input {
  flex: 1;
  width: auto;
  height: 54px;
  box-sizing: border-box;
  padding: 0 18px;
  border: 1px solid var(--fb-border-glass);
  border-radius: 28px;
  background: var(--fb-bg-glass-input);
  color: var(--fb-text-primary);
  font: inherit;
  font-size: 1.15rem;
  outline: none;
}

#fb-mobile-search-input:focus {
  border-color: var(--fb-accent-primary);
  box-shadow: 0 0 0 3px var(--fb-accent-glow);
}

#fb-mobile-search-form .fb-mobile-search-clear {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--fb-border-glass);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fb-text-primary);
  background: var(--fb-bg-surface);
  cursor: pointer;
}

#fb-mobile-search-form .fb-mobile-search-clear:hover,
#fb-mobile-search-form .fb-mobile-search-clear:focus-visible {
  color: var(--fb-accent-primary);
  border-color: var(--fb-accent-primary);
  outline: none;
}

#fb-mobile-search-form .fb-search-suggestions {
  top: auto;
  bottom: calc(100% + 10px);
  right: 56px;
  max-height: min(56dvh, calc(var(--fb-search-visible-height, 100dvh) - 180px));
  overflow-y: auto;
  border-radius: 22px;
}

@media (max-width: 600px) {
  .fb-extension-platform-notice {
    align-items: stretch;
    flex-direction: column;
  }

  .fb-extension-platform-notice .fb-btn {
    align-self: flex-start;
  }

  .fb-search-backdrop {
    padding: 0;
  }

  .fb-mobile-search-overlay {
    width: 100vw;
    max-width: none;
    min-height: 42dvh;
    max-height: min(92dvh, var(--fb-search-visible-height, 92dvh));
    border-radius: 26px 26px 0 0;
    border-bottom: 0;
  }

  .fb-mobile-search-overlay .fb-modal-header {
    padding-top: max(14px, env(safe-area-inset-top, 0px));
  }

  #fb-mobile-search-form .fb-search-suggestions {
    max-height: min(58dvh, calc(var(--fb-search-visible-height, 100dvh) - 170px));
  }
}

.fb-brand-text-fallback {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.fb-search-backdrop {
  top: auto;
  bottom: 0;
  height: var(--fb-search-visible-height, 100dvh);
  min-height: 0;
  max-height: 100dvh;
  overflow: hidden;
}