:root {
  --ink: #0d2933;
  --ink-deep: #04151c;
  --paper: #f6f9f8;
  --paper-2: #e7f8f1;
  --surface: #ffffff;
  --muted: #5a7179;
  --teal: #0c9a72;
  --teal-deep: #067a59;
  --teal-soft: #e7f8f1;
  --sand: #f7f1e8;
  --line: rgba(13, 41, 51, 0.1);
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Plus Jakarta Sans", "Source Sans 3", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body.demo-page {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 8% 0%, rgba(12, 154, 114, 0.1), transparent 42%),
    radial-gradient(ellipse at 100% 0%, rgba(231, 248, 241, 0.95), transparent 38%),
    var(--paper);
  line-height: 1.55;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

/* Shared site header is used; keep legacy pill styles for in-demo CTAs */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  padding: 0.55rem 1rem;
  font-weight: 650;
  font-size: 0.9rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.pill:hover { background: var(--teal-deep); }
.pill-ghost {
  border-color: rgba(13, 41, 51, 0.16);
  color: var(--ink);
  background: #fff;
}
.pill-ghost:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
  background: var(--teal-soft);
}

.demo-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 1.35rem clamp(1rem, 3vw, 2rem) 2.75rem;
  display: grid;
  gap: 1.25rem;
}
.demo-shell > #app {
  display: grid;
  gap: 1.25rem;
}

.demo-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.7rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0 0 0.55rem;
  color: var(--ink-deep);
}
.demo-intro .kicker {
  color: var(--teal-deep);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin: 0 0 0.45rem;
}
.demo-intro p {
  margin: 0;
  color: var(--muted);
  max-width: 44rem;
  font-size: 1.08rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.85fr);
  gap: 0;
  min-height: min(70vh, 720px);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.chat-pane, .side-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.chat-pane { border-right: 1px solid var(--line); }
.pane-head {
  padding: 0.95rem 1.05rem;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  background: linear-gradient(180deg, #fff, var(--paper));
}
.pane-head strong {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--ink-deep);
}
.status {
  color: var(--teal-deep);
  font-size: 0.84rem;
  font-weight: 700;
}
.status::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--teal);
  margin-right: 0.4rem;
  vertical-align: middle;
  box-shadow: 0 0 0 4px rgba(15, 143, 123, 0.16);
}

.messages {
  flex: 1;
  overflow: auto;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  background:
    radial-gradient(ellipse at 100% 0%, rgba(15, 143, 123, 0.05), transparent 45%),
    #fff;
}
.msg {
  max-width: min(92%, 34rem);
  padding: 0.85rem 1rem;
  line-height: 1.5;
  white-space: pre-wrap;
}
.msg-agent {
  align-self: flex-start;
  background: var(--paper);
  border-left: 3px solid var(--teal);
}
.msg-user {
  align-self: flex-end;
  background: var(--teal-soft);
  color: var(--ink-deep);
}
.msg-meta {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-weight: 700;
}
.typing {
  align-self: flex-start;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.25rem 0.2rem;
}

.composer {
  border-top: 1px solid var(--line);
  padding: 0.9rem;
  display: grid;
  gap: 0.7rem;
  background: #fff;
}
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.chip {
  border: 1px solid rgba(20, 52, 58, 0.16);
  background: var(--paper);
  color: var(--ink);
  padding: 0.42rem 0.7rem;
  font-size: 0.86rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.chip:hover {
  border-color: var(--teal);
  color: var(--teal-deep);
  background: var(--teal-soft);
}
.composer-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
}
.composer input {
  width: 100%;
  background: var(--paper);
  border: 1px solid rgba(20, 52, 58, 0.16);
  color: var(--ink);
  padding: 0.8rem 0.9rem;
}
.composer input:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(15, 143, 123, 0.14);
}
.send, .reset {
  border: none;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  padding: 0.8rem 1.05rem;
  cursor: pointer;
}
.send:hover, .reset:hover { background: var(--teal-deep); }
.reset {
  background: transparent;
  color: var(--muted);
  border: 1px solid rgba(20, 52, 58, 0.16);
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  font-size: 0.84rem;
}
.reset:hover {
  color: var(--teal-deep);
  border-color: var(--teal);
  background: var(--teal-soft);
}

.side-pane .activity {
  flex: 1;
  overflow: auto;
  padding: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  background: linear-gradient(180deg, var(--paper), #fff);
}
.action {
  border-top: 2px solid rgba(15, 143, 123, 0.35);
  padding-top: 0.7rem;
  opacity: 0;
  transform: translateY(0.4rem);
  animation: in 0.35s ease forwards;
}
.action .when {
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}
.action strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--ink-deep);
}
.action p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}
.empty-side {
  color: var(--muted);
  font-size: 0.98rem;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.hub-item {
  border: 1px solid var(--line);
  border-top: 2px solid var(--teal);
  padding: 0;
  overflow: hidden;
  background: var(--surface);
  transition: color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.hub-item:hover {
  color: var(--teal-deep);
  transform: translateY(-2px);
  border-color: rgba(15, 143, 123, 0.4);
}
.hub-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-2);
}
.hub-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}
.hub-item:hover .hub-thumb img {
  transform: scale(1.05);
}
.hub-item .kicker,
.hub-item h2,
.hub-item > p {
  padding-inline: 0.95rem;
}
.hub-item .kicker {
  color: var(--teal-deep);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0.85rem 0 0.35rem;
}
.hub-item h2 {
  font-family: var(--font-display);
  font-size: 1.28rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
  color: var(--ink-deep);
}
.hub-item > p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
}
.domain-hero-media {
  margin: 0 0 0.9rem;
  overflow: hidden;
  border-radius: 0.85rem;
  max-height: 220px;
}
.domain-hero-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

.domain-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.25rem 0 0.75rem;
}
.domain-tab {
  border: 1px solid rgba(20, 52, 58, 0.16);
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.85rem;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}
.domain-tab.is-active,
.domain-tab[aria-selected="true"] {
  background: var(--ink-deep);
  border-color: var(--ink-deep);
  color: #fff;
}
.domain-panel {
  display: grid;
  gap: 1rem;
}
.domain-meta h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  color: var(--ink-deep);
}
.domain-meta .audience {
  margin: 0 0 0.35rem;
  font-weight: 700;
  color: var(--teal-deep);
}
.domain-meta p {
  margin: 0;
  color: var(--muted);
}

.demo-handoff {
  margin: 1.5rem 0 0.5rem;
  padding: 1.25rem 1.35rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, #0d2429, #14343a);
  color: #fff;
  display: grid;
  gap: 0.75rem;
}
.demo-handoff h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}
.demo-handoff p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}
.demo-handoff-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.demo-handoff .pill-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.demo-handoff .pill-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border-color: #fff;
}

@keyframes in {
  to { opacity: 1; transform: none; }
}

@media (max-width: 860px) {
  .demo-shell {
    padding: 1rem 0.85rem 2rem;
  }
  .demo-intro h1 {
    font-size: clamp(1.55rem, 7vw, 2.1rem);
  }
  .workspace {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .chat-pane {
    border-right: none;
    border-bottom: 1px solid var(--line);
    min-height: 58vh;
  }
  .side-pane {
    min-height: 200px;
    max-height: 42vh;
  }
  .messages {
    padding: 0.85rem;
  }
  .msg {
    max-width: 95%;
  }
  .composer {
    padding: 0.75rem;
    position: sticky;
    bottom: 0;
    z-index: 2;
  }
  .composer-row {
    grid-template-columns: 1fr auto;
  }
  .suggestions {
    max-height: 5.5rem;
    overflow: auto;
  }
  .chip {
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
  }
  .domain-filter {
    display: flex;
    gap: 0.45rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
  }
  .hub-grid {
    grid-template-columns: 1fr;
  }
  .demo-handoff {
    padding: 1.1rem 1rem;
  }
  .demo-handoff-actions {
    display: grid;
    gap: 0.55rem;
  }
  .demo-handoff-actions .pill {
    width: 100%;
    text-align: center;
    justify-content: center;
    display: inline-flex;
  }
}

@media (max-width: 480px) {
  .chat-pane {
    min-height: 64vh;
  }
  .send {
    padding: 0.8rem 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .action { animation: none; opacity: 1; transform: none; }
}