:root {
  /* Brand */
  --green-600: #2E7D32;
  --green-700: #256a29;
  --blue-800: #0D47A1;
  --yellow-500: #FFC107;

  /* Surface */
  --bg-0: #0b0f14;
  /* page background (dark tech) */
  --bg-1: #0f141a;
  /* container background */
  --bg-2: #131a22;
  /* panels/cards */
  --elev: 0 10px 30px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .02);

  /* Text */
  --text-1: #eaf1f5;
  --text-2: #b7c3cc;
  --muted: #8fa3ad;

  /* Chat bubbles */
  --bot-bubble: #16222c;
  --user-bubble: linear-gradient(135deg, #2E7D32, #219653);

  /* Accents */
  --accent: #34d399;
  /* teal-green for futuristic glow */
  --accent-2: #60a5fa;

  /* Borders */
  --stroke: #1f2a36;

  /* Glass morphism */
  --glass: rgba(255, 255, 255, 0.06);
  --blur: blur(10px);

  /* Radius */
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 10px;

  /* Timing */
  --t: 220ms;

  /* Gradients */
  --grad-hero: radial-gradient(1000px 600px at 80% -10%, rgba(52, 211, 153, .18), transparent 60%), radial-gradient(800px 600px at -10% 110%, rgba(96, 165, 250, .18), transparent 60%);
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%
}

main {
flex: 1;
display: flex;
flex-direction: column;
overflow: hidden;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text-1);
  background: var(--bg-0);
  background-image: var(--grad-hero);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

/* Shell: a single container for the chat app */
.app {
  width: 100%;
  max-width: 800px;
  /* Centered chat window width */
}

/* Chat surface */
.chat-wrap {
  display: flex;
  flex-direction: column;
  height: 85vh;
  /* Adjusted height for single view */
  max-height: 900px;
  min-height: 520px;
}

.chat {
  background: var(--glass);
  backdrop-filter: var(--blur);
  border: 1px solid var(--stroke);
  border-radius: 20px;
  box-shadow: var(--elev);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.chat-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--stroke);
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), transparent);
}

.chat-header .logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #0b1117;
  display: grid;
  place-items: center;
  border: 1px solid var(--stroke);
  overflow: hidden;
  flex-shrink: 0;
}

/* Styles for logo image (merged from inline style) */
.chat-header .logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #fff;
  padding: 6px; /* Adjust padding if needed since it's inside a circular container now */
  border-radius: 8px; /* This may not be visible inside the parent's border-radius */
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chat-header .chat-title h1 {
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .2px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-header .chat-title h1 .flag {
  font-size: .9rem;
  opacity: .9
}

.chat-header .chat-title p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: .85rem;
}

/* Styles for live AI dot (moved from inline style) */
.live-ai-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 8px;
  background: #22c55e;
  border-radius: 50%;
  position: relative;
  top: -1px;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  animation: pulse 2s ease-in-out infinite
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1
  }
  50% {
    transform: scale(1.3);
    opacity: 0.6;
    box-shadow: 0 0 16px rgba(34, 197, 94, 0.8)
  }
}

.live-ai-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid rgba(34, 197, 94, 0.3);
  border-radius: 50%;
  animation: ripple 2s ease-out infinite
}

@keyframes ripple {
  0% {
    transform: scale(0.8);
    opacity: 0.8
  }
  100% {
    transform: scale(2);
    opacity: 0
  }
}

.home-link {
  margin-left: auto;
}

.home-link a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(52, 211, 153, .1), rgba(96, 165, 250, .1));
  color: var(--text-1);
  text-decoration: none;
  border: 1px solid var(--stroke);
  transition: transform var(--t) ease, box-shadow var(--t) ease;
  box-shadow: 0 4px 16px rgba(52, 211, 153, .1);
  font-weight: 600;
  font-size: .9rem;
  white-space: nowrap;
}

.home-link a:hover {
  transform: translateY(-1px)
}

.home-link a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.messages {
  flex: 1;
  overflow: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

.messages::-webkit-scrollbar {
  width: 8px
}

.messages::-webkit-scrollbar-thumb {
  background: #253241;
  border-radius: 8px
}

.msg {
  max-width: 86%;
  padding: 10px 12px;
  border-radius: 16px;
  line-height: 1.5;
  font-size: .98rem;
  border: 1px solid var(--stroke);
  opacity: 0;
  transform: translateY(6px) scale(.99);
  animation: pop .25s ease-out forwards;
  word-wrap: break-word;
}

@keyframes pop {
  to {
    opacity: 1;
    transform: translateY(0) scale(1)
  }
}

.bot {
  background: var(--bot-bubble);
  color: var(--text-1);
  border-bottom-left-radius: 6px
}

.user {
  background: var(--user-bubble);
  color: #fff;
  border-bottom-right-radius: 6px;
  align-self: flex-end;
  border: none;
}

.msg b {
  color: #d2f9e7
}

.msg a {
  color: var(--accent-2);
  text-decoration: none
}

.msg a:hover {
  text-decoration: underline
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.image-grid img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--stroke)
}

.map {
  margin-top: 8px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--stroke)
}

.map iframe {
  width: 100%;
  height: 220px;
  border: 0;
  display: block
}

.typing {
  padding: 0 16px 8px;
}

.dots {
  display: inline-flex;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bot-bubble);
  border: 1px solid var(--stroke);
  border-radius: 999px
}

.dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9fb3bf;
  animation: bounce 1s infinite ease-in-out;
}

.dots span:nth-child(2) {
  animation-delay: .2s
}

.dots span:nth-child(3) {
  animation-delay: .4s
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0)
  }

  50% {
    transform: translateY(-4px)
  }
}

.quickbar {
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255, 255, 255, .02), transparent);
}

.qbtn {
  background: transparent;
  border: 1px solid var(--stroke);
  color: var(--text-1);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t) ease, transform var(--t) ease, border-color var(--t) ease;
}

.qbtn:hover {
  background: rgba(52, 211, 153, .12);
  transform: translateY(-1px);
  border-color: rgba(52, 211, 153, .35)
}

.composer {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--stroke);
  background: rgba(255, 255, 255, .02);
}

.input {
  flex: 1;
  background: #0c1218;
  color: var(--text-1);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 12px 12px;
  font-size: 1rem;
  outline: none;
  transition: border-color var(--t) ease, box-shadow var(--t) ease;
}

.input:focus {
  border-color: rgba(52, 211, 153, .6);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, .12);
}

.send {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: linear-gradient(135deg, rgba(46, 125, 50, .9), rgba(33, 150, 83, .9));
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform var(--t) ease, box-shadow var(--t) ease, opacity var(--t) ease;
  box-shadow: 0 8px 20px rgba(33, 150, 83, .25);
}

.send:disabled {
  opacity: .6;
  cursor: not-allowed
}

.send:hover {
  transform: translateY(-1px)
}

.send svg {
  width: 22px;
  height: 22px
}

/* Utility */
.hidden {
  display: none !important
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Responsive Adjustments --- */
@media (max-width: 500px) {
  .home-link a .home-text {
    display: none;
    /* Hide "Home" text on small screens */
  }

  .home-link a {
    padding: 8px;
    /* Make it a square icon button */
    gap: 0;
  }

  .chat-header .chat-title h1 {
    font-size: 1rem;
  }

  .chat-header .chat-title p {
    display: none;
    /* Hide subtitle on very small screens */
  }
}


/* Accessibility prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important
  }
}