/* Quantum Infinity UI Enhancements */
:root {
  --transition-fast: 0.15s ease-out;
  --transition-smooth: 0.3s ease-out;
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.2);
  --gradient-primary: linear-gradient(135deg, #007aff 0%, #30d158 100%);
  --gradient-secondary: linear-gradient(135deg, #ff9f0a 0%, #ff453a 100%);
  --border-radius: 12px;
  --border-radius-small: 8px;
}

/* Enhanced Animations */
* {
  transition: all var(--transition-fast);
}

/* Loading States */
.loading-spinner, .loading-spinner-large {
  animation: spin 1s linear infinite;
}

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

.loading-overlay {
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.7);
}

/* Enhanced Buttons */
.btn, .nav-tab, .login-button {
  border-radius: var(--border-radius-small);
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-light);
  position: relative;
  overflow: hidden;
}

.btn::before, .nav-tab::before, .login-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-smooth);
}

.btn:hover::before, .nav-tab:hover::before, .login-button:hover::before {
  left: 100%;
}

.btn:hover, .nav-tab:hover, .login-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn:active, .nav-tab:active, .login-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-light);
}

/* Enhanced Navigation */
.nav-tab {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-tab.active {
  background: var(--gradient-primary);
  box-shadow: var(--shadow-medium);
  transform: translateY(-1px);
}

.nav-tab svg {
  transition: transform var(--transition-smooth);
}

.nav-tab:hover svg {
  transform: scale(1.1);
}

/* Enhanced Content Panels */
.content-panel {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.content-panel.active {
  opacity: 1;
  transform: translateX(0);
}

/* Enhanced Cards */
.service-card, .agent-card, .campaign-card, .stat-card, .metric-card {
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all var(--transition-smooth);
}

.service-card:hover, .agent-card:hover, .campaign-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--accent-primary);
}

/* Enhanced Forms */
.form-input, .form-select, .form-textarea, input, select, textarea {
  border-radius: var(--border-radius-small);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-smooth);
  backdrop-filter: blur(5px);
}

.form-input:focus, .form-select:focus, .form-textarea:focus,
input:focus, select:focus, textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
  transform: translateY(-1px);
}

/* Enhanced Chat Interface */
.chat-messages {
  scroll-behavior: smooth;
}

.message {
  animation: messageSlideIn var(--transition-smooth) ease-out;
}

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

.message.user {
  animation-delay: 0.1s;
}

.message.ai {
  animation-delay: 0.2s;
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: typingPulse 1.5s infinite;
}

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

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

@keyframes typingPulse {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Enhanced Modals */
.modal-overlay {
  backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.8);
  animation: fadeIn var(--transition-smooth) ease-out;
}

.modal-content {
  border-radius: var(--border-radius);
  animation: modalSlideIn var(--transition-smooth) ease-out;
  box-shadow: var(--shadow-heavy);
}

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

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Enhanced Status Indicators */
.status-badge, .platform-badge {
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  animation: statusPulse 2s infinite;
}

.status-badge.active, .platform-badge.active {
  background: var(--gradient-primary);
  animation: none;
}

.status-badge.running {
  background: var(--gradient-secondary);
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Enhanced Progress Bars */
.progress-bar {
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
}

.progress-fill {
  background: var(--gradient-primary);
  transition: width var(--transition-smooth);
  animation: progressShimmer 2s infinite;
}

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

/* Enhanced Tables */
table {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

tbody tr {
  transition: background var(--transition-fast);
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* Enhanced Dropdowns */
.user-dropdown, .dropdown-menu {
  border-radius: var(--border-radius);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: dropdownSlideIn var(--transition-smooth) ease-out;
}

@keyframes dropdownSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced Notifications */
.notification {
  border-radius: var(--border-radius);
  animation: notificationSlideIn var(--transition-smooth) ease-out;
}

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

/* Mobile Responsive Enhancements */
@media (max-width: 768px) {
  .main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px;
  }

  .nav-tab {
    flex: 1;
    min-width: calc(50% - 4px);
    font-size: 14px;
    padding: 12px 8px;
  }

  .chat-input-container {
    padding: 16px;
  }

  .modal-content {
    margin: 20px;
    width: calc(100% - 40px);
  }

  .service-card, .agent-card, .campaign-card {
    margin-bottom: 16px;
  }
}

@media (max-width: 480px) {
  .nav-tab {
    min-width: 100%;
    text-align: center;
  }

  .header-right {
    display: none;
  }

  .chat-messages {
    padding: 16px;
  }

  .message {
    margin-bottom: 16px;
  }
}

/* Accessibility Enhancements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.keyboard-navigation *:focus {
  outline: 2px solid var(--accent-primary) !important;
  outline-offset: 2px !important;
}

/* Dark Theme Enhancements */
[data-theme="dark"] {
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Enhanced Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-secondary);
}

/* Connection Status Indicators */
.connection-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.connection-status.connected {
  background: rgba(48, 209, 88, 0.2);
  color: #30d158;
}

.connection-status.disconnected {
  background: rgba(255, 69, 58, 0.2);
  color: #ff453a;
}

.connection-status.connecting {
  background: rgba(255, 159, 10, 0.2);
  color: #ff9f0a;
}

.connection-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: connectionPulse 2s infinite;
}

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

/* Enhanced Grid Layouts */
.services-grid, .agents-grid, .analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  padding: 20px;
}

/* Enhanced Favicon Support */
.logo-icon, .logo-icon-small {
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  display: inline-block;
}

/* Chart Placeholders */
.chart-placeholder {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  color: var(--secondary-text);
  border: 2px dashed rgba(255, 255, 255, 0.1);
}

/* Enhanced Feature Discovery */
.feature-highlight {
  position: relative;
  z-index: 1000;
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.3);
  border-radius: var(--border-radius);
  animation: featureGlow 2s infinite;
}

@keyframes featureGlow {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(0, 122, 255, 0.1); }
}

/* Provider Controls */
.provider-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.provider-selector, .model-selector {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.provider-selector label, .model-selector label {
  font-size: 12px;
  font-weight: 500;
  color: var(--secondary-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.provider-select, .model-select {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-small);
  color: var(--primary-text);
  padding: 6px 12px;
  font-size: 14px;
  min-width: 140px;
  transition: all var(--transition-smooth);
}

.provider-select:focus, .model-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.1);
  outline: none;
}

.provider-select option, .model-select option {
  background: var(--surface-color);
  color: var(--primary-text);
}

@media (max-width: 768px) {
  .provider-controls {
    flex-direction: column;
    gap: 8px;
    padding: 12px;
  }

  .provider-selector, .model-selector {
    width: 100%;
  }

  .provider-select, .model-select {
    min-width: 100%;
  }
}

/* === Modern Theme Tokens === */
:root {
  --surface-color: rgba(20, 20, 22, 0.7);
  --surface-elevated: rgba(28, 28, 32, 0.8);
  --primary-text: #f5f7fb;
  --secondary-text: #c6c8cf;
  --accent-primary: #4da3ff;
  --accent-primary-contrast: #0b0b0b;
  --accent-muted: #8abfff;
}

[data-theme="light"] {
  --surface-color: #ffffff;
  --surface-elevated: #f7f8fa;
  --primary-text: #0b0c10;
  --secondary-text: #4b5563;
  --accent-primary: #2563eb;
  --accent-primary-contrast: #ffffff;
  --accent-muted: #93c5fd;
}

/* === Header/Nav Polish === */
.app-header {
  backdrop-filter: saturate(140%) blur(10px);
  background: linear-gradient(180deg, rgba(16,16,18,0.65), rgba(16,16,18,0.35));
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo, .logo-small { align-items: center; gap: 10px; }
.logo h1 { letter-spacing: .3px; }

.main-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(16,16,18,0.4), rgba(16,16,18,0));
  backdrop-filter: blur(8px);
  padding: 10px 16px;
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
}

/* === Login Screen Modernization === */
.login-screen {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  background: radial-gradient(1000px 600px at 20% -10%, rgba(77,163,255,.15), transparent 60%),
              radial-gradient(900px 500px at 100% 10%, rgba(48,209,88,.12), transparent 60%),
              linear-gradient(180deg, #0b0c10, #0f1115);
}

.login-container {
  width: min(560px, 92vw);
  padding: 28px;
  border-radius: 16px;
  background: var(--surface-elevated);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}

.login-header { text-align: center; margin-bottom: 18px; }
.login-header .logo-icon { font-size: 32px; }
.login-header h1 { margin: 6px 0 4px; font-size: 22px; }
.login-subtitle { color: var(--secondary-text); }

.login-form .input-group { margin: 10px 0; }
.login-form label { font-size: 13px; color: var(--secondary-text); display: block; margin-bottom: 6px; }
.login-form input[type="text"],
.login-form input[type="password"],
#accessCode, #mfaCode {
  width: 100%;
  background: rgba(255,255,255,0.06);
  color: var(--primary-text);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 12px 12px;
  border-radius: 10px;
}

.password-toggle { color: var(--accent-primary); }

.login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 14px;
  background: var(--accent-primary);
  color: var(--accent-primary-contrast);
  border: none;
  border-radius: 12px;
  font-weight: 600;
}

.login-button .loading-spinner { border-color: rgba(255,255,255,.6); }
.error-message { margin-top: 10px; color: #ff6b6b; }

.login-footer { margin-top: 14px; text-align: center; color: var(--secondary-text); font-size: 13px; }

/* === Chat Input Polish === */
.chat-input-container .input-wrapper {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
}

#chatInput { padding: 12px 14px; }
.send-button { color: var(--accent-primary); }

/* === Theme Toggle Utility === */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--primary-text);
}

/* === Landing Hero Polish === */
.qi-hero {
  background: radial-gradient(800px 400px at 10% 0%, rgba(77,163,255,.08), transparent 60%);
}
.qi-hero h1 { font-size: clamp(1.6rem, 2.4vw + 1.2rem, 3rem); line-height: 1.1; }
.qi-hero .lead { max-width: 60ch; }

/* === Login Utilities and Helpers === */
.is-hidden { display: none !important; }
.password-wrapper { display:flex; align-items:center; gap:8px; }
.password-wrapper input { flex:1; }
.password-toggle { background:transparent; border:none; color:var(--accent-primary); cursor:pointer; padding:6px; }
.input-row { display:flex; align-items:center; justify-content:space-between; margin-top:8px; gap:12px; }
.checkbox-label { font-size:14px; display:inline-flex; align-items:center; gap:6px; }
.forgot-link { font-size:14px; color: var(--accent-primary); text-decoration: none; }
.forgot-link:hover { text-decoration: underline; }
.input-hint { font-size:12px; color: var(--secondary-text); margin-top:6px; }

/* === Minor Accessibility Tweaks === */
:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 3px; }

@media (max-width: 520px) {
  .login-container { padding: 20px; border-radius: 14px; }
  .login-header h1 { font-size: 20px; }
}

/* === QI Enhancements (idempotent) === */
.container { max-width: 1100px; margin: 0 auto; padding: 2rem; }
.qi-hero { padding: clamp(3rem, 6vw, 7rem) 0; }
.lead { font-size: clamp(1rem, 1.5vw + 0.9rem, 1.25rem); opacity: .85; }
.cta-row { display:flex; flex-wrap:wrap; gap:1rem; margin-top:1rem; }
.btn { padding:.8rem 1.1rem; border:1px solid currentColor; text-decoration:none; border-radius:.5rem; }
.btn-primary { background: currentColor; color:#fff; }
.btn-secondary { background: transparent; }
.qi-social .logos { display:flex; align-items:center; gap:1rem; flex-wrap:wrap; opacity:.8; }
.qi-social ul { display:flex; gap:1rem; list-style:none; padding:0; margin:0; }
.qi-features .grid { display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap:1rem; }
@media (max-width: 900px){ .qi-features .grid { grid-template-columns: 1fr; } }
.qi-pricing, .qi-faq { padding: 3rem 0; }
.qi-faq details { margin:.5rem 0; }

/* === Hero Split and Art === */
.hero-split { display:grid; grid-template-columns: 1.2fr 1fr; gap: clamp(1rem, 4vw, 3rem); align-items:center; }
.hero-content { padding: .5rem 0; }
.hero-art { position: relative; min-height: 260px; border-radius: 16px; overflow: hidden; background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.08); }
.hero-art .orb { position:absolute; filter: blur(24px); opacity:.6; }
.hero-art .orb-a { width: 220px; height: 220px; background: radial-gradient(circle at 30% 30%, #4da3ff, transparent 60%); top: -20px; left: -10px; }
.hero-art .orb-b { width: 220px; height: 220px; background: radial-gradient(circle at 70% 70%, #30d158, transparent 60%); bottom: -20px; right: -10px; }
.hero-art .grid-lines { position:absolute; inset:0; background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(circle at 50% 40%, rgba(0,0,0,.9), transparent 70%); }
@media (max-width: 900px){ .hero-split { grid-template-columns: 1fr; } .hero-art { min-height: 200px; } }

/* === Feature Cards Polish === */
.qi-features .grid article { background: rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 16px; box-shadow: var(--shadow-light); }
.qi-features .grid article:hover { box-shadow: var(--shadow-medium); transform: translateY(-2px); }

/* === Chat Micro-interactions === */
.chat-form .send-button { transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
.chat-form .send-button:hover { transform: translateY(-1px); box-shadow: var(--shadow-medium); }
.chat-form .send-button:active { transform: translateY(0); box-shadow: var(--shadow-light); }
.chat-form .character-count { opacity: .7; }