/* ============================================================
   AURA MODERN TEMPLATE - STYLESHEET
   Pure Vanilla CSS with Design System Tokens & Responsive Layout
   ============================================================ */

/* --- 1. CSS VARIABLES (Design System) --- */
:root {
  /* Colors */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.12);
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  
  --bg-body: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-glass: rgba(17, 24, 39, 0.75);
  
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.35);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.25);

  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
}

/* --- 2. GLOBAL RESET & BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* --- 3. LAYOUT UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.text-center {
  text-align: center;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- 4. BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border-color: var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
}

/* --- 5. HEADER --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
}

.highlight {
  color: var(--primary);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

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

.header-action {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --- 6. BANNER / HERO SECTION --- */
.banner-section {
  position: relative;
  padding: 5.5rem 0 5rem;
  overflow: hidden;
  background: radial-gradient(circle at 50% 10%, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
}

.banner-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--primary-light);
  border: 1px solid var(--border-highlight);
  color: #c7d2fe;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px #22c55e;
}

.banner-title {
  font-size: 3.25rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1.25rem;
}

.banner-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.banner-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.banner-stats {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background-color: var(--border-color);
}

/* Banner Visual Card */
.banner-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.visual-card {
  position: relative;
  width: 100%;
  max-width: 440px;
}

.card-glow {
  position: absolute;
  inset: -15px;
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  border-radius: var(--radius-lg);
  filter: blur(28px);
  opacity: 0.35;
  z-index: 0;
}

.card-inner {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.card-header-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 1rem 1.25rem;
  background-color: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-color);
}

.circle {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.circle.red { background-color: #ef4444; }
.circle.yellow { background-color: #f59e0b; }
.circle.green { background-color: #10b981; }

.card-content {
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.preview-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.card-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
}

.card-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.preview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

.tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

/* --- 7. ABOUT SECTION --- */
.about-section {
  padding: 6rem 0;
  position: relative;
  background: linear-gradient(180deg, var(--bg-body) 0%, #0d121f 100%);
  border-top: 1px solid var(--border-color);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.about-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.about-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
  display: inline-block;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Extra About Banner */
.about-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.about-banner-text h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.about-banner-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- 8. FOOTER --- */
.site-footer {
  background-color: #080b12;
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-tagline {
  color: var(--text-dim);
  font-size: 0.925rem;
  line-height: 1.65;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 3px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-bottom-links a:hover {
  color: var(--text-main);
}

.back-to-top {
  color: var(--primary);
  font-weight: 600;
}

/* --- 9. RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
  .banner-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .banner-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .banner-buttons {
    justify-content: center;
  }

  .banner-stats {
    justify-content: center;
  }

  .banner-visual {
    margin-top: 1rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }

  .about-banner {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .banner-title {
    font-size: 2.35rem;
  }

  .footer-links-group {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ==================== 10. SCHOOL AI CHATBOT WIDGET ==================== */
.chatbot-wrapper {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  font-family: var(--font-family);
}

/* Floating Launcher Button */
.chat-launcher {
  position: relative;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.chat-launcher:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.65);
}

.chat-launcher.hidden {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

.chat-launcher-icon {
  font-size: 1.75rem;
  line-height: 1;
}

/* Notification Badge with Pulsing */
.chat-notification-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: #ef4444;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-body);
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Chat Window */
.chat-window {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 380px;
  height: 560px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 48px);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.85) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: bottom right;
}

.chat-window.active {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Chat Header */
.chat-header {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-header-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bot-avatar-wrapper {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.status-indicator {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 9px;
  height: 9px;
  background-color: #22c55e;
  border-radius: 50%;
  border: 1.5px solid #1e1b4b;
}

.bot-info {
  display: flex;
  flex-direction: column;
}

.bot-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.bot-status {
  font-size: 0.75rem;
  color: #a5b4fc;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.header-action-btn,
.chat-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #cbd5e1;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.header-action-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: scale(1.08);
}

.whatsapp-action:hover {
  background: #25d366;
  color: #fff;
}

.chat-close-btn:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fff;
  transform: rotate(90deg);
}

/* Quick Chips Container */
.chat-quick-chips-wrapper {
  background: rgba(15, 23, 42, 0.8);
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.chips-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.chat-quick-chips {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.chat-quick-chips::-webkit-scrollbar {
  height: 4px;
}
.chat-quick-chips::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.quick-chip {
  white-space: nowrap;
  font-size: 0.75rem;
  font-weight: 500;
  color: #c7d2fe;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-chip:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  padding: 1.25rem 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--bg-body);
  scrollbar-width: thin;
}

.chat-messages::-webkit-scrollbar {
  width: 5px;
}
.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 5px;
}

.chat-bubble {
  max-width: 84%;
  display: flex;
  flex-direction: column;
  animation: fadeInMsg 0.25s ease-out;
}

@keyframes fadeInMsg {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.bubble-content {
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  line-height: 1.5;
  border-radius: var(--radius-md);
  word-wrap: break-word;
}

.bubble-time {
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  padding: 0 0.25rem;
}

/* User Message */
.chat-bubble-user {
  align-self: flex-end;
}

.chat-bubble-user .bubble-content {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border-bottom-right-radius: 2px;
}

.chat-bubble-user .bubble-time {
  text-align: right;
}

/* Bot Message */
.chat-bubble-bot {
  align-self: flex-start;
}

.chat-bubble-bot .bubble-content {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-bottom-left-radius: 2px;
}

.chat-bubble-bot strong {
  color: #e0e7ff;
}

/* Typing Indicator */
.typing-indicator {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  border-bottom-left-radius: 2px;
  width: fit-content;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background-color: #a5b4fc;
  border-radius: 50%;
  animation: bounce 1.2s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
  40% { transform: translateY(-5px); opacity: 1; }
}

/* Chat Input Area */
.chat-input-area {
  padding: 0.85rem 1rem;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.chat-input-area input {
  flex: 1;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast);
}

.chat-input-area input:focus {
  border-color: var(--primary);
  background-color: rgba(255, 255, 255, 0.08);
}

.chat-input-area input::placeholder {
  color: var(--text-dim);
}

.chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.chat-send-btn:hover {
  transform: scale(1.06);
}

.chat-send-btn:active {
  transform: scale(0.95);
}

.chat-mic-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: #a5b4fc;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.chat-mic-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: #fff;
  border-color: var(--primary);
  transform: scale(1.05);
}

.chat-mic-btn.listening {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
  animation: mic-pulse 1.2s infinite;
}

@keyframes mic-pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* --- IN-CHAT FEE CALCULATOR CARD --- */
.chat-calc-card {
  background: #1e293b;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.calc-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #c7d2fe;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.calc-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.calc-row label {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
}

.calc-select {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: #f8fafc;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
}

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

.calc-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #cbd5e1;
  cursor: pointer;
  user-select: none;
}

.calc-checkbox-label input {
  accent-color: var(--primary);
  width: 15px;
  height: 15px;
}

.calc-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  border: none;
  padding: 0.55rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.calc-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.calc-receipt {
  background: rgba(15, 23, 42, 0.9);
  border: 1px dashed rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.8rem;
  line-height: 1.5;
  display: none;
  animation: fadeInMsg 0.25s ease-out;
}

.calc-receipt.show {
  display: block;
}

.calc-receipt-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}

.calc-receipt-line.total {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 0.35rem;
  margin-top: 0.35rem;
  font-weight: 700;
  color: #22c55e;
  font-size: 0.88rem;
}

.calc-saved-pill {
  display: inline-block;
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 0.3rem;
}

/* --- LEAD CAPTURE CALLBACK CARD --- */
.chat-lead-card {
  background: #1e293b;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.lead-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #7dd3fc;
}

.lead-input {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
}

.lead-input:focus {
  border-color: #38bdf8;
}

.lead-btn {
  background: linear-gradient(135deg, #0284c7 0%, #06b6d4 100%);
  color: #fff;
  border: none;
  padding: 0.55rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.lead-btn:hover {
  transform: translateY(-1px);
}

.lead-success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #86efac;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  line-height: 1.4;
  display: none;
}

/* --- WHATSAPP INLINE BUTTON --- */
.chat-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #25d366;
  color: #fff !important;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  margin-top: 0.6rem;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  transition: all var(--transition-fast);
}

.chat-whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.5);
  filter: brightness(1.05);
}

/* Responsive adjust for mobile */
@media (max-width: 480px) {
  .chatbot-wrapper {
    bottom: 16px;
    right: 16px;
  }
  .chat-window {
    width: calc(100vw - 32px);
    height: calc(100vh - 85px);
    bottom: 0;
    right: 0;
  }
}