/* app.css — Medical Chat Demo Application Styles */

/* ========================================
   ANIMATED BACKGROUND (mouse-reactive)
   ======================================== */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  --mouse-x: 0.5;
  --mouse-y: 0.5;
  background:
    radial-gradient(
      ellipse 110% 75% at calc(var(--mouse-x) * 100%) calc(var(--mouse-y) * 100%),
      color-mix(in oklch, var(--color-primary) 20%, transparent) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse 75% 55% at calc((1 - var(--mouse-x)) * 100%) calc((1 - var(--mouse-y)) * 100%),
      color-mix(in oklch, var(--color-primary) 12%, transparent) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse 60% 50% at 12% 88%,
      color-mix(in oklch, var(--color-primary) 9%, transparent) 0%,
      transparent 40%
    ),
    radial-gradient(
      ellipse 50% 45% at 88% 12%,
      color-mix(in oklch, var(--color-primary) 7%, transparent) 0%,
      transparent 38%
    );
  animation: page-bg-float 20s ease-in-out infinite;
}
@keyframes page-bg-float {
  0%, 100% { opacity: 1; }
  30%       { opacity: 0.82; }
  65%       { opacity: 0.92; }
}

/* ========================================
   LUCIDE ICON SIZES (shadcn-style icons)
   ======================================== */
.demo-card__icon i,
.demo-card__icon svg {
  width: 28px;
  height: 28px;
  display: block;
}
.demo-card__icon i { display: inline-flex; align-items: center; justify-content: center; }
.demo-card__icon i svg { width: 28px; height: 28px; }
.demo-card__cta i,
.demo-card__cta svg { width: 16px; height: 16px; vertical-align: middle; }
.demo-card__cta i { display: inline-flex; }
.feature__icon i,
.feature__icon svg { width: 24px; height: 24px; }
.feature__icon i { display: inline-flex; align-items: center; justify-content: center; }
.feature__icon i svg { stroke: var(--color-primary); }
.info-banner i,
.info-banner svg { flex-shrink: 0; width: 16px; height: 16px; }
.info-banner i svg { color: var(--color-primary); }
.theme-toggle i,
.theme-toggle svg { width: 18px; height: 18px; }
.topnav__hamburger i,
.topnav__hamburger svg { width: 22px; height: 22px; }
.chat-widget__send i,
.chat-widget__send svg { width: 18px; height: 18px; }
.chat-popup__close i,
.chat-popup__close svg { width: 18px; height: 18px; }
.quick-action i,
.quick-action svg { width: 16px; height: 16px; }
.chat-bubble i,
.chat-bubble svg { width: 24px; height: 24px; }

/* ========================================
   TOPNAV
   ======================================== */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklch, var(--color-surface) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}

.topnav__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.topnav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}
.topnav__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
}

.topnav__nav {
  display: flex;
  gap: var(--space-1);
}
.topnav__link {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.topnav__link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.topnav__link.active {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.topnav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.topnav__hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.topnav__hamburger:hover { color: var(--color-text); background: var(--color-surface-2); }

.topnav__mobile-menu {
  padding: var(--space-2) var(--space-6) var(--space-4);
  flex-direction: column;
  gap: var(--space-1);
}
@media (min-width: 769px) {
  .topnav__mobile-menu { display: none !important; }
}
@media (max-width: 768px) {
  .topnav__mobile-menu[hidden] { display: none; }
  .topnav__mobile-menu:not([hidden]) { display: flex; }
}
.topnav__mobile-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.topnav__mobile-link:hover, .topnav__mobile-link.active {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

@media (max-width: 768px) {
  .topnav__nav { display: none; }
  .topnav__hamburger { display: flex; }
}

/* ========================================
   VIEWS — entrance animations
   ======================================== */
.view {
  animation: viewEnter 420ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes viewEnter {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* Info banner slides down slightly later */
.info-banner {
  animation: bannerSlide 500ms 60ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes bannerSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* Embed layout rises after banner */
.embed-layout,
.popup-page,
.fullpage-layout {
  animation: layoutRise 550ms 120ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes layoutRise {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* Chat widget pops in with a subtle scale */
.chat-widget {
  animation: widgetPop 500ms 200ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes widgetPop {
  from { opacity: 0; transform: scale(0.97) translateY(12px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

/* Service items stagger */
.service-item:nth-child(1) { animation: itemFade 400ms 180ms both; }
.service-item:nth-child(2) { animation: itemFade 400ms 240ms both; }
.service-item:nth-child(3) { animation: itemFade 400ms 300ms both; }
.service-item:nth-child(4) { animation: itemFade 400ms 360ms both; }
@keyframes itemFade {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0);     }
}

/* Doctor cards stagger */
.doctor-card:nth-child(1) { animation: itemFade 380ms 200ms both; }
.doctor-card:nth-child(2) { animation: itemFade 380ms 270ms both; }
.doctor-card:nth-child(3) { animation: itemFade 380ms 340ms both; }

/* Quick action buttons stagger in sidebar (buttons are 2nd–5th child after the label div) */
.quick-action:nth-child(2) { animation: itemFade 350ms 250ms both; }
.quick-action:nth-child(3) { animation: itemFade 350ms 310ms both; }
.quick-action:nth-child(4) { animation: itemFade 350ms 370ms both; }
.quick-action:nth-child(5) { animation: itemFade 350ms 430ms both; }

/* ========================================
   HOME / HERO
   ======================================== */
.hero {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6) clamp(var(--space-8), 4vw, var(--space-16));
  text-align: center;
  background: linear-gradient(180deg, var(--color-primary-highlight) 0%, var(--color-bg) 100%);
}
.hero__content {
  max-width: 680px;
  margin: 0 auto;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: color-mix(in oklch, var(--color-primary) 10%, var(--color-surface));
  border: 1px solid color-mix(in oklch, var(--color-primary) 20%, transparent);
  margin-bottom: var(--space-6);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.hero__subtitle {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  max-width: 100%;
}
.hero__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 56ch;
  margin: 0 auto;
}

/* Demo Cards */
.demo-cards {
  padding: clamp(var(--space-8), 6vw, var(--space-16)) var(--space-6);
  max-width: var(--content-wide);
  margin: 0 auto;
}
.demo-cards__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-2);
}
.demo-cards__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
}
.demo-cards__grid {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-6);
  max-width: 560px;
  margin: 0 auto;
}
.demo-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.demo-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.demo-card:active { transform: translateY(0); }
.demo-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}
.demo-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.demo-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-5);
}
.demo-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
}

/* Features */
.features {
  padding: clamp(var(--space-8), 6vw, var(--space-16)) var(--space-6);
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
}
.features__grid {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.feature {
  text-align: center;
}
.feature__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-4);
  box-shadow: var(--shadow-sm);
}
.feature__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.feature__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 28ch;
  margin: 0 auto;
}

/* ========================================
   INFO BANNER
   ======================================== */
.info-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  font-size: var(--text-xs);
  border-bottom: 1px solid color-mix(in oklch, var(--color-primary) 15%, transparent);
}
.info-banner svg { flex-shrink: 0; color: var(--color-primary); }

/* ========================================
   EMBED VIEW
   ======================================== */
.embed-layout {
  display: grid;
  grid-template-columns: 1fr minmax(340px, 420px);
  grid-template-rows: 1fr;
  height: calc(100dvh - 110px);
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-6);
  gap: var(--space-6);
  overflow: hidden;
}
.embed-layout__content {
  overflow-y: auto;
  height: 100%;
  min-height: 0;
}
.embed-layout__chat {
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.clinic-info { }
.clinic-info__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
}
.clinic-info__services {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.service-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.service-item__icon { font-size: 1.5rem; flex-shrink: 0; }
.service-item__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.service-item__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.clinic-info__section { margin-bottom: var(--space-6); }
.clinic-info__heading {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.clinic-info__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.doctor-list { display: flex; flex-direction: column; gap: var(--space-3); }
.doctor-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.doctor-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  flex-shrink: 0;
}
.doctor-card__name {
  font-size: var(--text-sm);
  font-weight: 500;
}
.doctor-card__spec {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ========================================
   CHAT WIDGET (shared)
   ======================================== */
.chat-widget {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 100%;
  min-height: 0;
  box-shadow: var(--shadow-md);
}
.chat-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  flex-shrink: 0;
}
.chat-widget__header-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.chat-widget__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chat-widget__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
}
.chat-widget__status {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-success);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  display: inline-block;
}

.chat-widget__messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

.chat-widget__input-area {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
  flex-shrink: 0;
}
.chat-widget__input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.chat-widget__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--color-primary) 15%, transparent);
}
.chat-widget__input::placeholder { color: var(--color-text-faint); }

.chat-widget__send {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), transform var(--transition-interactive);
  flex-shrink: 0;
}
.chat-widget__send:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.chat-widget__send:active { background: var(--color-primary-active); transform: translateY(0); }

/* Chat messages */
.chat-msg {
  display: flex;
  gap: var(--space-2);
  max-width: 85%;
  animation: msgIn 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-msg--ai { align-self: flex-start; }
.chat-msg--user { align-self: flex-end; flex-direction: row-reverse; }

.chat-msg__avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: var(--space-1);
}
.chat-msg--ai .chat-msg__avatar {
  background: var(--color-primary-highlight);
}
.chat-msg--user .chat-msg__avatar {
  background: var(--color-surface-offset);
}

.chat-msg__bubble {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.chat-msg--ai .chat-msg__bubble {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-bottom-left-radius: var(--radius-sm);
}
.chat-msg--user .chat-msg__bubble {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-bottom-right-radius: var(--radius-sm);
}

.chat-msg__time {
  font-size: 0.65rem;
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.chat-msg--user .chat-msg__time { text-align: right; }

/* Message blocks — formatted content from AI */
.msg-block {
  margin-bottom: 0.65em;
  line-height: 1.75;
}
.msg-block:last-child {
  margin-bottom: 0;
}
.msg-block strong {
  font-weight: 600;
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: var(--space-3) var(--space-4);
  align-items: center;
}
.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-text-faint);
  animation: typingDot 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* Quick replies */
.quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2) 0;
}
.quick-reply {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.quick-reply:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ========================================
   POPUP VIEW
   ======================================== */
.popup-page { }

.popup-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-active) 100%);
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
  text-align: center;
}
.popup-hero__content { max-width: 600px; margin: 0 auto; }
.popup-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-4);
}
.popup-hero__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
}
.btn-primary-lg {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: rgba(255,255,255,0.95);
  color: var(--color-primary-active);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.btn-primary-lg:hover { background: #ffffff; transform: translateY(-1px); }
.btn-primary-lg:active { transform: translateY(0); }

.popup-services, .popup-doctors, .popup-testimonials {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-8), 6vw, var(--space-16)) var(--space-6);
}
.popup-services__title, .popup-doctors__title, .popup-testimonials__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-8);
}
.popup-services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.popup-service-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  text-align: center;
}
.popup-service-card__icon { font-size: 2rem; margin-bottom: var(--space-3); }
.popup-service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.popup-service-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.popup-doctors__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.popup-doctor {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.popup-doctor__avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  margin: 0 auto var(--space-3);
}
.popup-doctor__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.popup-doctor__spec {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.popup-doctor__schedule {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.popup-testimonials {
  background: var(--color-surface-2);
  max-width: 100%;
  border-top: 1px solid var(--color-divider);
}
.popup-testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: var(--content-wide);
  margin: 0 auto;
}
.testimonial {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.testimonial p {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}
.testimonial cite {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-style: normal;
}

/* Chat Bubble + Popup */
.chat-bubble {
  position: fixed;
  /* Keep it clearly “floating”, not hugging the bottom edge */
  bottom: var(--space-10);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.chat-bubble[hidden] {
  display: none !important;
}
.chat-bubble:hover {
  background: var(--color-primary-hover);
  transform: scale(1.08);
  box-shadow: 0 16px 40px oklch(0.3 0.01 230 / 0.2);
}
.chat-bubble:active { transform: scale(1); }

.chat-popup {
  position: fixed;
  bottom: calc(var(--space-10) + 64px);
  right: var(--space-6);
  width: 380px;
  height: 520px;
  z-index: 201;
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.chat-popup[hidden] {
  display: none !important;
}
.chat-popup.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.chat-popup .chat-widget {
  height: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.chat-popup__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.chat-popup__close:hover { color: var(--color-text); background: var(--color-surface-2); }

/* ========================================
   FULLPAGE VIEW
   ======================================== */
.fullpage-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100dvh - 110px);
  max-width: var(--content-wide);
  margin: 0 auto;
  overflow: hidden;
}

.fullpage-sidebar {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  border-right: 1px solid var(--color-divider);
  background: var(--color-surface);
  overflow-y: auto;
}
.fullpage-sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.fullpage-sidebar__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
}
.fullpage-sidebar__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.fullpage-sidebar__divider {
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-4) 0;
}
.fullpage-sidebar__section { }
.fullpage-sidebar__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}
.quick-action {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition-interactive), color var(--transition-interactive);
  margin-bottom: var(--space-1);
}
.quick-action svg { color: var(--color-primary); flex-shrink: 0; }
.quick-action:hover { background: var(--color-primary-highlight); color: var(--color-primary); }

.fullpage-sidebar__footer {
  margin-top: auto;
  padding-top: var(--space-4);
}
.fullpage-sidebar__footer p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.fullpage-chat {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-4);
  min-height: 0;
}
.chat-widget--fullpage {
  border-radius: var(--radius-xl);
  flex: 1;
  min-height: 0;
  overflow: hidden;
  height: 100%;
}
.chat-widget__header--fullpage { }

#messages-fullpage {
  overflow-y: auto;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  padding: var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.site-footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.site-footer__text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.site-footer__link {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.site-footer__link:hover { color: var(--color-primary); }

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .demo-cards__grid { max-width: 560px; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .embed-layout {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }
  .embed-layout__content {
    height: auto;
    overflow-y: visible;
    max-height: none;
  }
  .embed-layout__chat {
    height: 540px;
    flex-shrink: 0;
  }
  .popup-services__grid { grid-template-columns: repeat(2, 1fr); }
  .popup-doctors__grid { grid-template-columns: repeat(2, 1fr); }
  .popup-testimonials__grid { grid-template-columns: 1fr; max-width: 560px; }
  .fullpage-layout { grid-template-columns: 1fr; }
  .fullpage-sidebar { display: none; }
  .fullpage-chat { height: calc(100dvh - 110px); }
}

@media (max-width: 768px) {
  .features__grid { grid-template-columns: 1fr 1fr; }
  .popup-services__grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .popup-doctors__grid { grid-template-columns: 1fr 1fr; }

  .chat-popup {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 100dvh;
    border-radius: 0;
  }
  .chat-popup .chat-widget { border-radius: 0; }
  .chat-bubble { bottom: var(--space-6); right: var(--space-4); }

  .site-footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .popup-doctors__grid { grid-template-columns: 1fr; max-width: 320px; margin-left: auto; margin-right: auto; }
  .features__grid { grid-template-columns: 1fr; max-width: 300px; margin-left: auto; margin-right: auto; }
}

/* Hide footer when fullpage view is active */
.view-fullpage-active .site-footer { display: none; }