:root {
  --accent: #0d6efd;
  --accent-2: #6610f2;
  --muted: #64748b;
  --card-bg: #ffffff;
  --glass: rgba(13,110,253,0.06);
  --radius: 14px;
  --container: 1200px;
  --section-padding: 80px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: 'Inter', 'Poppins', system-ui, sans-serif;
  background: linear-gradient(180deg, #fbfdff 0%, #f3f6ff 100%);
  color: #0f1724;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container-max {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* Navbar */
.navbar {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.logo {
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.brand-text {
  font-weight: 700;
  font-size: 1.15rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-text .accent {
  color: var(--accent);
}

.nav-link {
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--accent) !important;
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 100%;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Hero Section */
.hero {
  padding: var(--section-padding) 0;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
}

.hero-content .display-5 {
  font-weight: 700;
  color: #0f1724;
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.hero .lead {
  color: var(--muted);
  max-width: 540px;
}

.illustration svg {
  max-width: 100%;
  height: auto;
}

.angled-divider {
  height: 48px;
  background: linear-gradient(180deg, rgba(243,246,255,0) 0%, rgba(243,246,255,1) 100%);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  margin-top: -6px;
}

/* Leaderboard */
.leader-card {
  background: linear-gradient(180deg, #ffffff, #fbfdff);
  border-radius: 12px;
  padding: 18px;
  transition: transform .3s ease, box-shadow .3s ease;
}

.leader-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(2,6,23,0.06);
}

/* AI Card Layout */
.ai-card {
  display: flex;
  align-items: center;
  gap: 18px;
  border-radius: 12px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid rgba(16,24,40,0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ai-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(2,6,23,0.08);
}

/* Enhanced AI Card Metadata */
.ai-meta-info {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}

.ai-meta-info .badge {
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 12px;
  font-weight: 500;
}

.ai-meta-info .badge.bg-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
}

.ai-meta-info .badge.bg-success {
  background: linear-gradient(135deg, #28a745, #20c997) !important;
}

.ai-meta-info .badge.bg-warning {
  background: linear-gradient(135deg, #ffc107, #fd7e14) !important;
}

.ai-source-info {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.ai-source-info small {
  font-size: 0.75rem;
  color: #6c757d;
  display: flex;
  align-items: center;
  gap: 4px;
}

.ai-source-info small::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.ai-logo {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(2,6,23,0.06);
}

.meta {
  flex: 1;
  min-width: 0;
}

.ai-title {
  font-weight: 600;
  font-size: 1rem;
  color: #0f1724;
  display: flex;
  align-items: center;
  gap: 8px;
}

.trend {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 12px;
  display: inline-block;
}

.trend.positive {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.trend.negative {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.ai-desc {
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ai-right {
  flex-shrink: 0;
  text-align: right;
  width: 120px;
  font-weight: 700;
  font-size: 1rem;
  color: #0f1724;
}

/* Progress Bar */
.progress {
  height: 8px;
  border-radius: 99px;
  background: rgba(2,6,23,0.05);
  overflow: hidden;
}

.progress-bar {
  transition: width 900ms ease;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* Services & CTA */
.service-card, .cta {
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(16,24,40,0.04);
  box-shadow: 0 10px 30px rgba(2,6,23,0.04);
  padding: 24px;
}

.cta {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
}

.cta .btn-lg {
  background: #fff;
  color: var(--accent);
  border: none;
}

/* Responsive Tweaks */
@media (max-width: 991px) {
  .ai-card {
    flex-wrap: wrap;
    text-align: left;
  }
  .ai-right {
    text-align: left;
    width: auto;
    margin-top: 8px;
  }
}

/* Additional Enhancements */
.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
  z-index: -1;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.95) !important;
}

.btn-outline-secondary {
  border: 2px solid rgba(108, 117, 125, 0.3);
  transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
  border-color: var(--accent);
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 110, 253, 0.2);
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: all 0.3s ease;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transform: translateY(-2px);
}

.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(2, 6, 23, 0.08);
  border-color: var(--accent);
}

.ai-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.1);
  border-color: rgba(13, 110, 253, 0.2);
}

.backdrop-blur-sm {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Form Enhancements */
.form-control:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Loading Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  animation: fadeInUp 0.6s ease forwards;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.footer-content {
  position: relative;
  z-index: 2;
}

.footer-logo {
  transition: transform 0.3s ease;
}

.footer-logo:hover {
  transform: scale(1.05);
}

.footer-links a {
  color: #b0b0b0;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(5px);
}

.footer-links a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.footer-links a:hover::before {
  width: 100%;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #b0b0b0;
  transition: all 0.3s ease;
  margin: 0 5px;
}

.footer-social a:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

/* Loading Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.reveal {
  animation: fadeInUp 0.6s ease forwards;
}

.pulse-animation {
  animation: pulse 2s infinite;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s ease forwards;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Enhanced Card Effects */
.service-card, .leader-card {
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.service-card:hover, .leader-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: rgba(13, 110, 253, 0.2);
}

/* 3D Tilt Effect */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.1s ease;
  cursor: pointer;
}

.tilt-card:hover {
  transform: rotateX(5deg) rotateY(5deg) translateZ(10px);
}

.tilt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
  border-radius: inherit;
  transform: translateZ(1px);
  pointer-events: none;
}

/* Premium Particle Background */
.particle-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.particle {
  position: absolute;
  background: radial-gradient(circle, rgba(13, 110, 253, 0.1) 0%, rgba(102, 16, 242, 0.05) 50%, transparent 100%);
  border-radius: 50%;
  animation: float 20s infinite linear;
}

.particle:nth-child(odd) {
  animation-duration: 25s;
  animation-direction: reverse;
}

.particle:nth-child(3n) {
  animation-duration: 30s;
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Advanced Typography Animations */
.text-reveal {
  overflow: hidden;
  position: relative;
}

.text-reveal::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, white 50%, transparent 100%);
  animation: textShimmer 2s infinite;
}

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

/* Magnetic Effect */
.magnetic {
  transition: transform 0.3s ease;
  cursor: pointer;
}

.magnetic:hover {
  transform: scale(1.05);
}

/* Premium Scroll Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal.delay-1 { transition-delay: 0.1s; }
.scroll-reveal.delay-2 { transition-delay: 0.2s; }
.scroll-reveal.delay-3 { transition-delay: 0.3s; }
.scroll-reveal.delay-4 { transition-delay: 0.4s; }
.scroll-reveal.delay-5 { transition-delay: 0.5s; }

/* Premium Loading Animation */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeOut 0.5s ease 2s forwards;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

@keyframes fadeOut {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* Advanced Button Effects */
.btn-premium {
  position: relative;
  overflow: hidden;
  background: linear-gradient(45deg, var(--accent), var(--accent-2));
  border: none;
  color: white;
  transition: all 0.3s ease;
}

.btn-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-premium:hover::before {
  left: 100%;
}

.btn-premium:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(13, 110, 253, 0.4);
}

/* Form Enhancements */
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
  transform: translateY(-1px);
  transition: all 0.3s ease;
}

.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
  transform: translateY(-1px);
  transition: all 0.3s ease;
}

/* Cursor Follower Effect */
.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(45deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease;
  mix-blend-mode: difference;
  opacity: 0.8;
}

.cursor-follower.large {
  width: 40px;
  height: 40px;
  opacity: 0.4;
}

.cursor-follower.small {
  width: 8px;
  height: 8px;
  background: var(--accent);
  opacity: 0.6;
}

.bubble-trail {
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 110, 253, 0.3) 0%, rgba(102, 16, 242, 0.1) 70%);
  animation: bubbleFloat 3s ease-out forwards;
}

@keyframes bubbleFloat {
  0% {
    opacity: 0.8;
    transform: scale(0.5) translateY(0);
  }
  50% {
    opacity: 0.6;
    transform: scale(1) translateY(-20px);
  }
  100% {
    opacity: 0;
    transform: scale(1.5) translateY(-40px);
  }
}

/* Interactive Elements */
.interactive-element {
  transition: all 0.3s ease;
  cursor: none;
}

.interactive-element:hover ~ .cursor-follower {
  transform: scale(1.5);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0;
  }

  .display-5 {
    font-size: 2rem;
  }

  .container-max {
    padding-left: 20px;
    padding-right: 20px;
  }

  .navbar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
  }

  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .footer-social a {
    width: 35px;
    height: 35px;
  }

  /* Disable cursor effects on mobile for performance */
  .cursor-follower,
  .bubble-trail {
    display: none;
  }
}

/* AI Chat Interface Styles */
.chat-container {
  max-width: 100%;
  margin: 0 auto;
}

.chat-messages {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) #e9ecef;
}

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

.chat-messages::-webkit-scrollbar-track {
  background: #e9ecef;
  border-radius: 3px;
}

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

.message {
  margin-bottom: 20px;
  animation: fadeInUp 0.5s ease forwards;
}

.bot-message .bot-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  flex-shrink: 0;
}

.user-message {
  justify-content: flex-end;
}

.user-message .message-content {
  align-items: flex-end;
}

.message-bubble {
  max-width: 70%;
  word-wrap: break-word;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border-radius: 18px;
  position: relative;
}

.user-message .message-bubble {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
}

.bot-message .message-bubble {
  background: white;
  border: 1px solid #e9ecef;
}

.message-bubble p {
  margin-bottom: 8px;
}

.message-bubble p:last-child {
  margin-bottom: 0;
}

.message-bubble small {
  opacity: 0.7;
  font-size: 0.8rem;
}

.chat-input .input-group {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  border-radius: 25px;
  overflow: hidden;
  background: white;
}

.chat-input .form-control {
  border: none;
  border-radius: 25px 0 0 25px;
  padding: 12px 20px;
  font-size: 16px;
  background: transparent;
}

.chat-input .form-control:focus {
  box-shadow: none;
  border-color: transparent;
}

.chat-input .btn {
  border: none;
  border-radius: 0 25px 25px 0;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: all 0.3s ease;
}

.chat-input .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.chat-input .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.chat-status {
  text-align: center;
  margin-top: 10px;
  font-size: 14px;
}

.chat-status.success {
  color: #28a745;
}

.chat-status.error {
  color: #dc3545;
}

.chat-status.info {
  color: var(--accent);
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: white;
  border-radius: 18px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  width: fit-content;
}

.typing-indicator .bot-avatar {
  margin-right: 12px;
}

.typing-dots {
  display: flex;
  gap: 4px;
}

.typing-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Recommendation cards in chat */
.recommendation-card {
  background: linear-gradient(135deg, #f8f9fa, #ffffff);
  border: 1px solid #e9ecef;
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
  transition: all 0.3s ease;
}

.recommendation-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--accent);
}

.recommendation-card h6 {
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.recommendation-card .reason {
  color: #6c757d;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.recommendation-card .use-case {
  color: #495057;
  font-size: 0.85rem;
  font-style: italic;
}

.recommendation-card .cost-info {
  color: #28a745;
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: 600;
}

.recommendation-card .student-tip {
  color: #17a2b8;
  font-size: 0.8rem;
  margin-top: 4px;
  padding: 6px 10px;
  background: rgba(23, 162, 184, 0.1);
  border-radius: 6px;
  border-left: 3px solid #17a2b8;
}

/* Mobile chat optimizations */
@media (max-width: 768px) {
  .chat-messages {
    max-height: 300px;
    padding: 15px;
  }

  .message-bubble {
    max-width: 85%;
  }

  .chat-input .form-control {
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .bot-avatar {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }
}