/* ==========================================================================
   Zoom Workplace Design System & Update Portal Styles
   Clean, shadow-free, modern SaaS aesthetic
   ========================================================================== */

:root {
  /* Core Brand Colors */
  --zoom-blue: #0E71EB;
  --zoom-blue-hover: #0056cc;
  --zoom-blue-light: #388df8;
  --zoom-blue-subtle: rgba(14, 113, 235, 0.12);

  /* Status Accents */
  --accent-green: #22C55E;
  --accent-green-subtle: rgba(34, 197, 94, 0.12);
  --accent-red: #F43F5E;
  --accent-red-hover: #e11d48;
  --accent-purple: #A855F7;
  --accent-cyan: #06B6D4;
  --accent-amber: #F59E0B;

  /* Dark Theme Palette (Default) */
  --bg-base: #080C16;
  --bg-surface: #0F172A;
  --bg-card: #131E35;
  --bg-card-hover: #182642;
  --bg-glass: rgba(15, 23, 42, 0.92);
  --bg-glass-elevated: #131E35;

  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-focus: #0E71EB;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #080C16;

  /* Shadows removed as requested */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-glow: none;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-smooth: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-base: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.95);
  --bg-glass-elevated: #FFFFFF;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-focus: #0E71EB;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-glow: none;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Ambient glow blobs removed for clean shadowless look */
.ambient-glow,
.glow-top,
.glow-accent,
.showcase-glow {
  display: none !important;
}

.ambient-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] .ambient-grid {
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.zoom-logo-icon {
  width: 32px;
  height: 32px;
  filter: none;
}

.brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #0E71EB;
}

.brand-sub {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.2px;
  color: var(--text-primary);
  opacity: 0.85;
}

.meeting-context-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: none;
  animation: pulse-ring 2s infinite ease-in-out;
}

.context-id {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: monospace;
}

[data-theme="light"] .context-id {
  background: rgba(0, 0, 0, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.header-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.header-link:hover {
  color: var(--text-primary);
  background: var(--border-subtle);
}

.icon-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.icon-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
}

.sun-icon { display: none; width: 18px; height: 18px; }
.moon-icon { display: block; width: 18px; height: 18px; }

[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

.ghost-btn {
  background: var(--zoom-blue-subtle);
  color: var(--zoom-blue);
  border: 1px solid rgba(14, 113, 235, 0.3);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.ghost-btn svg {
  width: 15px;
  height: 15px;
}

.ghost-btn:hover {
  background: rgba(14, 113, 235, 0.2);
  border-color: var(--zoom-blue);
}

/* Main Content Layout */
.main-content {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

/* Hero Section */
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 4rem;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-secondary);
  box-shadow: none;
  margin-bottom: 1.5rem;
}

.pill-tag {
  background: rgba(244, 63, 94, 0.15);
  color: #ff6b81;
  border: 1px solid rgba(244, 63, 94, 0.3);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin-bottom: 1rem;
  max-width: 900px;
}

.text-gradient {
  background: linear-gradient(135deg, #38BDF8 0%, #0E71EB 50%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Smart Update Card - Clean, Flat, Border Defined */
.update-card {
  width: 100%;
  max-width: 780px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 1.75rem 2rem;
  box-shadow: none;
  position: relative;
  z-index: 10;
  margin-bottom: 3.5rem;
  text-align: left;
  transition: var(--transition-smooth);
}

.update-card:hover {
  border-color: rgba(14, 113, 235, 0.5);
}

.update-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.status-indicator-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.pulse-ring {
  position: relative;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pulse-core {
  width: 10px;
  height: 10px;
  background: var(--zoom-blue);
  border-radius: 50%;
  box-shadow: none;
}

.pulse-ring::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid var(--zoom-blue);
  border-radius: 50%;
  animation: pulse-ring 2s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

.status-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.status-subtext {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.timer-badge {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  box-shadow: none;
}

/* Progress Bar */
.progress-container {
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.progress-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.progress-percent-badge {
  font-family: monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--zoom-blue);
  background: var(--zoom-blue-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(14, 113, 235, 0.25);
}

.progress-bar-track {
  width: 100%;
  height: 9px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

[data-theme="light"] .progress-bar-track {
  background: rgba(0, 0, 0, 0.08);
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #0E71EB, #38BDF8);
  border-radius: var(--radius-full);
  position: relative;
  transition: width 0.15s ease-out;
  box-shadow: none;
}

.progress-bar-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 1.6s infinite linear;
}

.progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.progress-metrics {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: monospace;
}

.metric-divider {
  opacity: 0.4;
}

/* Action Buttons */
.action-button-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  box-shadow: none;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-primary {
  background: var(--zoom-blue);
  color: #FFFFFF;
  box-shadow: none;
}

.btn-primary:hover {
  background: var(--zoom-blue-hover);
  box-shadow: none;
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
  box-shadow: none;
}

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

.btn-icon {
  width: 18px;
  height: 18px;
}

.version-tag {
  background: rgba(255, 255, 255, 0.2);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.sub-badge {
  font-size: 0.72rem;
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.12);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

/* Download Assistance Row */
.download-assist-row {
  margin-top: 0.85rem;
  margin-bottom: 0.85rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
  padding: 0.55rem 0.85rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.download-assist-row a {
  color: var(--zoom-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.download-assist-row a:hover {
  color: var(--zoom-blue-hover);
}

/* Update Footer Options */
.update-footer-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.os-detect-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.os-selector-trigger {
  color: var(--zoom-blue);
  cursor: pointer;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.auto-update-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.auto-update-toggle input {
  display: none;
}

.toggle-switch {
  width: 32px;
  height: 18px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  position: relative;
  transition: var(--transition-smooth);
}

[data-theme="light"] .toggle-switch {
  background: rgba(0, 0, 0, 0.15);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.auto-update-toggle input:checked + .toggle-switch {
  background: var(--zoom-blue);
}

.auto-update-toggle input:checked + .toggle-switch::after {
  transform: translateX(14px);
}

/* Platform Dropdown */
.platform-dropdown {
  margin-top: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  box-shadow: none;
}

.platform-dropdown.hidden {
  display: none;
}

.dropdown-header {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.platform-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.82rem;
  transition: var(--transition-smooth);
}

.platform-item:hover, .platform-item.active {
  background: var(--zoom-blue-subtle);
  border-color: var(--zoom-blue);
  color: var(--zoom-blue);
}

.platform-ext {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Central Interactive Mockup: Zoom Workplace Window
   Clean, shadow-free, crisp high-contrast border
   ========================================================================== */
.showcase-wrapper {
  width: 100%;
  max-width: 1100px;
  position: relative;
  margin: 0 auto;
}

.client-window {
  position: relative;
  z-index: 1;
  background: #0B0E17;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-medium);
  box-shadow: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.client-window:hover {
  box-shadow: none;
  border-color: rgba(255, 255, 255, 0.22);
}

/* Titlebar */
.window-titlebar {
  background: #111522;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.window-controls {
  display: flex;
  align-items: center;
  gap: 7px;
}

.control-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  cursor: pointer;
}

.control-dot.close { background-color: #FF5F56; }
.control-dot.minimize { background-color: #FFBD2E; }
.control-dot.maximize { background-color: #27C93F; }

.window-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: #E2E8F0;
}

.encrypted-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.12rem 0.5rem;
  border-radius: var(--radius-full);
}

.window-status-tools {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.meeting-time {
  font-family: monospace;
  font-size: 0.78rem;
  color: #94A3B8;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.view-switch-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: #E2E8F0;
  cursor: pointer;
}

/* Window Body */
.window-body {
  display: flex;
  height: 520px;
  background: #07090F;
  position: relative;
}

/* Video Grid Area */
.video-grid-container {
  flex: 1;
  display: flex;
  gap: 10px;
  padding: 12px;
  background: #090C15;
  position: relative;
  overflow: hidden;
}

/* Active Speaker Video Tile */
.active-speaker-tile {
  flex: 2.3;
  position: relative;
  background: #141A29;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #0E71EB;
  box-shadow: none;
}

.active-speaker-ring {
  position: absolute;
  inset: -2px;
  border: 2px solid #0E71EB;
  border-radius: var(--radius-md);
  box-shadow: none;
  pointer-events: none;
}

.tile-video-stream {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(145deg, #1A2238 0%, #0F1524 100%);
}

.user-webcam {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  z-index: 2;
  transform: scaleX(-1);
}

.user-webcam.hidden {
  display: none;
}

.avatar-speaker-container {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Simulated Photorealistic Avatars */
.avatar-photo {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
  transition: transform 0.4s ease;
}

/* Elena (Lead Designer) */
.avatar-elena {
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.08), transparent 60%),
                    url('https://images.unsplash.com/photo-1573496359142-b8d87734a5a2?auto=format&fit=crop&w=900&q=80');
  background-size: cover;
  background-position: center top;
}

/* Marcus */
.avatar-marcus {
  background-image: url('https://images.unsplash.com/photo-1534528741775-53994a69daeb?auto=format&fit=crop&w=400&q=80');
}

/* Amina */
.avatar-amina {
  background-image: url('https://images.unsplash.com/photo-1580489944761-15a19d654956?auto=format&fit=crop&w=400&q=80');
}

/* Sarah */
.avatar-sarah {
  background-image: url('https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?auto=format&fit=crop&w=400&q=80');
}

/* Floating Reactions Canvas */
.floating-reactions-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 10;
}

.floating-reaction {
  position: absolute;
  bottom: 20px;
  font-size: 28px;
  animation: floatUp 2.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  filter: none;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0.6) rotate(0deg);
  }
  15% {
    opacity: 1;
    transform: translateY(-30px) scale(1.2) rotate(-8deg);
  }
  75% {
    opacity: 0.9;
    transform: translateY(-220px) scale(1) rotate(6deg);
  }
  100% {
    opacity: 0;
    transform: translateY(-300px) scale(0.8) rotate(12deg);
  }
}

/* Tile Meta Badges */
.tile-meta-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  z-index: 5;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: #FFFFFF;
  box-shadow: none;
}

.mic-wave-icon {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 12px;
}

.wave-bar {
  width: 2.5px;
  background: var(--accent-green);
  border-radius: 2px;
  animation: audioWave 1.2s infinite ease-in-out;
}

.wave-bar:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.wave-bar:nth-child(2) { height: 12px; animation-delay: 0.3s; }
.wave-bar:nth-child(3) { height: 8px; animation-delay: 0.2s; }

.role-tag {
  background: #0E71EB;
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  text-transform: uppercase;
}

/* Tile Hover Actions */
.tile-hover-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 5;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.active-speaker-tile:hover .tile-hover-actions {
  opacity: 1;
}

.tile-action-btn {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.tile-action-btn:hover {
  background: #0E71EB;
  border-color: #0E71EB;
}

/* Secondary Tiles Column */
.secondary-tiles-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.small-tile {
  flex: 1;
  position: relative;
  background: #141A29;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
  transition: border-color 0.2s ease;
}

.small-tile:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.mic-icon.muted {
  color: var(--accent-red);
}

/* ==========================================================================
   Interactive Side Panel (AI Companion & Chat)
   ========================================================================== */
.window-sidepanel {
  width: 330px;
  background: #0D111D;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  transition: width 0.25s ease;
}

.window-sidepanel.collapsed {
  width: 0;
  overflow: hidden;
  border-left: none;
}

.sidepanel-tabs {
  display: flex;
  background: #121726;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.35rem 0.5rem;
  gap: 0.35rem;
}

.panel-tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: #94A3B8;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.panel-tab-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

.panel-tab-btn.active {
  color: #FFFFFF;
  background: #1A2238;
}

.tab-badge {
  background: #0E71EB;
  color: #FFFFFF;
  font-size: 0.68rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
}

/* Tab Panes */
.tab-pane {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow-y: auto;
  padding: 1rem;
}

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

/* AI Companion Pane */
.ai-summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.ai-sparkle-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #60A5FA;
}

.ai-refresh-time {
  font-size: 0.72rem;
  color: #64748B;
}

.ai-summary-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin-bottom: 1rem;
  font-size: 0.78rem;
  box-shadow: none;
}

.ai-summary-card h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #94A3B8;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.summary-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.summary-bullets li {
  position: relative;
  padding-left: 1rem;
  color: #CBD5E1;
  line-height: 1.45;
}

.summary-bullets li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #0E71EB;
  font-weight: bold;
}

.ai-action-items {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.75rem;
}

.action-item-check {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 0.4rem;
}

.action-item-check input {
  margin-top: 2px;
}

.ai-prompt-box {
  margin-top: auto;
  display: flex;
  align-items: center;
  background: #161D2E;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.5rem;
  box-shadow: none;
}

.ai-prompt-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #FFFFFF;
  font-size: 0.78rem;
  padding: 0.35rem;
}

.ai-send-btn {
  background: #0E71EB;
  border: none;
  color: #FFFFFF;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: none;
  transition: background-color 0.2s ease;
}

.ai-send-btn:hover {
  background: #0056cc;
}

/* Chat Messages Pane */
.chat-messages-container {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
}

.chat-bubble-msg {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  box-shadow: none;
}

.msg-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.msg-sender {
  font-size: 0.75rem;
  font-weight: 700;
  color: #60A5FA;
}

.msg-time {
  font-size: 0.68rem;
  color: #64748B;
}

.msg-content {
  font-size: 0.78rem;
  color: #E2E8F0;
  line-height: 1.4;
}

.chat-input-form {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  background: #161D2E;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.5rem;
  box-shadow: none;
}

.chat-input-form input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #FFFFFF;
  font-size: 0.78rem;
  padding: 0.35rem;
}

.chat-send-btn {
  background: #0E71EB;
  border: none;
  color: #FFFFFF;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: none;
}

/* ==========================================================================
   Window Bottom Toolbar
   ========================================================================== */
.window-bottom-toolbar {
  background: #0F1320;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.6rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toolbar-btn {
  background: transparent;
  border: none;
  color: #94A3B8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

.toolbar-btn.active {
  color: #0E71EB;
}

.toolbar-btn.muted {
  color: var(--accent-red);
}

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

.count-badge {
  position: absolute;
  top: -4px;
  right: -8px;
  background: #0E71EB;
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0 4px;
  border-radius: var(--radius-full);
}

.unread-dot {
  position: absolute;
  top: -2px;
  right: -4px;
  width: 6px;
  height: 6px;
  background: #0E71EB;
  border-radius: 50%;
}

.reactions-popover-wrapper {
  position: relative;
}

.quick-reactions-bar {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #171E30;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.5rem;
  display: flex;
  gap: 0.3rem;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
}

.reactions-popover-wrapper:hover .quick-reactions-bar {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(-4px);
}

.reaction-emoji-btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.2rem 0.3rem;
  border-radius: var(--radius-full);
  transition: transform 0.15s ease;
}

.reaction-emoji-btn:hover {
  transform: scale(1.25);
}

.leave-btn {
  background: var(--accent-red);
  color: #FFFFFF;
  border: none;
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.leave-btn:hover {
  background: var(--accent-red-hover);
  box-shadow: none;
}

/* ==========================================================================
   Pre-Flight Diagnostics Section
   ========================================================================== */
.diagnostics-section {
  padding: 4rem 0 3rem;
  border-top: 1px solid var(--border-subtle);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.sub-header-pill {
  display: inline-block;
  background: var(--zoom-blue-subtle);
  color: var(--zoom-blue);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.6rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.diagnostics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.diag-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.diag-card:hover {
  border-color: var(--border-medium);
}

.diag-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.diag-icon-wrapper {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.diag-icon-wrapper svg {
  width: 22px;
  height: 22px;
}

.audio-icon { background: rgba(34, 197, 94, 0.15); color: var(--accent-green); }
.video-icon { background: rgba(14, 113, 235, 0.15); color: var(--zoom-blue); }
.network-icon { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }

.diag-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.diag-status-pill.success {
  background: rgba(34, 197, 94, 0.12);
  color: var(--accent-green);
}

.diag-status-pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.diag-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.diag-meta {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.audio-test-box, .camera-status-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sound-level-meter {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

[data-theme="light"] .sound-level-meter {
  background: rgba(0, 0, 0, 0.08);
}

.sound-level-fill {
  width: 35%;
  height: 100%;
  background: var(--accent-green);
  border-radius: var(--radius-full);
  transition: width 0.1s ease;
}

.cam-preview-placeholder {
  background: rgba(0, 0, 0, 0.2);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.test-device-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.test-device-btn:hover {
  background: var(--zoom-blue);
  color: #FFFFFF;
  border-color: var(--zoom-blue);
}

.network-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.5rem;
  text-align: center;
}

[data-theme="light"] .network-stats-row {
  background: rgba(0, 0, 0, 0.04);
}

.net-stat .stat-num {
  display: block;
  font-family: monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.net-stat .stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ==========================================================================
   What's New Section
   ========================================================================== */
.whats-new-section {
  padding: 3.5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: none;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  border-color: rgba(14, 113, 235, 0.4);
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
  box-shadow: none;
}

.feature-icon-box svg {
  width: 22px;
  height: 22px;
}

.gradient-ai { background: linear-gradient(135deg, #0E71EB, #818CF8); }
.gradient-audio { background: linear-gradient(135deg, #059669, #10B981); }
.gradient-security { background: linear-gradient(135deg, #6366F1, #A855F7); }
.gradient-share { background: linear-gradient(135deg, #D97706, #F59E0B); }

.feature-heading {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   Admin Section
   ========================================================================== */
.admin-section {
  padding: 2.5rem 0 1rem;
}

.admin-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: none;
}

.admin-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.admin-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin-bottom: 1rem;
}

.admin-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.admin-link {
  color: var(--zoom-blue);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.admin-link:hover {
  text-decoration: underline;
}

.admin-meta-badge {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  min-width: 320px;
  box-shadow: none;
}

.badge-title {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.admin-meta-badge code {
  font-family: monospace;
  font-size: 0.72rem;
  color: #38BDF8;
  word-break: break-all;
}

/* ==========================================================================
   Modal Dialog (Join via Web Client)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: none;
  overflow: hidden;
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { transform: scale(0.97); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.modal-brand h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

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

.modal-body {
  padding: 1.5rem;
}

.modal-meeting-info {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin-bottom: 1.25rem;
  font-size: 0.82rem;
  box-shadow: none;
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
}

.info-label { color: var(--text-muted); }
.info-val { font-weight: 600; color: var(--text-primary); }

.modal-preview-box {
  position: relative;
  height: 180px;
  background: #141A29;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: none;
}

.modal-avatar-preview {
  width: 60px;
  height: 60px;
  background: #0E71EB;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
}

.modal-av-toggles {
  position: absolute;
  bottom: 12px;
  display: flex;
  gap: 8px;
}

.modal-av-btn {
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  box-shadow: none;
}

.modal-av-btn.muted {
  color: var(--accent-red);
}

.modal-input-group {
  margin-bottom: 1.25rem;
}

.modal-input-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.modal-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  box-shadow: none;
}

.modal-input:focus {
  border-color: var(--zoom-blue);
}

.modal-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: var(--zoom-blue-subtle);
  border: 1px solid rgba(14, 113, 235, 0.25);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

.modal-notice svg {
  flex-shrink: 0;
  color: var(--zoom-blue);
  margin-top: 1px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.15rem;
  box-shadow: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  animation: slideInRight 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  max-width: 360px;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.fade-out {
  animation: fadeOutRight 0.25s forwards ease-in;
}

@keyframes fadeOutRight {
  to { transform: translateX(100%); opacity: 0; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 2.5rem 1.5rem;
}

.footer-container {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand .footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #0E71EB;
  letter-spacing: -0.5px;
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--zoom-blue);
}

/* ==========================================================================
   Animations & Responsive Breakpoints
   ========================================================================== */
@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

@keyframes audioWave {
  0%, 100% { height: 4px; }
  50% { height: 14px; }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  .diagnostics-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .admin-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .admin-meta-badge {
    width: 100%;
  }
  .window-body {
    height: 460px;
  }
}

@media (max-width: 768px) {
  .header-actions .header-link {
    display: none;
  }
  .meeting-context-pill {
    display: none;
  }
  .action-button-row {
    grid-template-columns: 1fr;
  }
  .window-body {
    flex-direction: column;
    height: auto;
  }
  .video-grid-container {
    height: 380px;
  }
  .window-sidepanel {
    width: 100%;
    height: 280px;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .secondary-tiles-column {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
}