:root{
  --bg:#050709;
  --panel:#0a0f14;
  --panel-2:#0a0d12;
  --elev:#0c1219;
  --text:#e9eef4;
  --muted:#9aa8b6;
  --border:#141b24;
  --accent:#F0651E;
  --accent-2:#ff8749;
  --primary:#F0651E;
  --radius:16px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --user-bg: linear-gradient(180deg,#0f2338,#0b1a2a);
  --user-border:#13304a;
  --assistant-bg: linear-gradient(180deg,#0b131c,#0a1118);
  --assistant-border:#111a24;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(600px 300px at 60% -10%, rgba(240,101,30,.18), transparent 60%),
    radial-gradient(600px 300px at 40% 120%, rgba(240,101,30,.12), transparent 55%),
    linear-gradient(180deg, var(--panel-2), var(--bg));
  font: 15px/1.6 Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  letter-spacing:.01em;
}

.bg-canvas{
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.app-shell{
  position: relative;
  z-index: 1;
  display:grid;
  grid-template-columns: 320px 1fr;
  height:100vh;
}

.sidebar{
  background:linear-gradient(180deg, var(--panel), var(--panel-2));
  border-right:1px solid var(--border);
  padding:18px 16px;
  overflow:auto;
}
.brand{margin-bottom:16px}
.brand-wordmark{
  font-family:"Space Grotesk", Inter, sans-serif;
  font-size:20px; font-weight:700; letter-spacing:.02em;
}
.brand-wordmark span{color:var(--accent)}
.brand-sub{color:var(--muted); font-size:12px; margin-top:2px}

.agent-list{display:grid;gap:8px;margin:14px 0 0}
.nav-pill{
  display:flex;align-items:center;justify-content:space-between;
  width:100%; padding:10px 12px; border-radius:14px;
  background:var(--elev); border:1px solid var(--border); color:var(--text);
  cursor:pointer; transition:border-color .2s, box-shadow .2s, transform .02s;
}
.nav-pill:hover{border-color:var(--accent)}
.nav-pill.active{border-color:var(--accent-2)}

.sidebar-divider{
  margin:16px 0;
  border-top:1px solid var(--border);
  opacity:.9;
}

.btn{
  appearance:none; border-radius:14px; padding:11px 14px; font-weight:600; letter-spacing:.01em;
  border:1px solid var(--border); cursor:pointer; transition: box-shadow .2s, transform .02s, filter .2s;
}
.btn.wide{ width:100%; }
.btn.primary{
  background:linear-gradient(135deg, #F0651E, #ff8749);
  color:#fff; border-color:transparent;
}
.btn.primary:hover{filter:brightness(1.05)}
.btn.secondary{
  background: linear-gradient(135deg, #121519, #151b20);
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn.secondary:hover{
  background: linear-gradient(135deg, #171c22, #1b2229);
}

.main{display:flex;flex-direction:column;height:100vh}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 18px; border-bottom:1px solid var(--border); background:rgba(10,15,20,.65);
  backdrop-filter: blur(8px);
  position:sticky;top:0;z-index:5;
}
.chat-title{display:flex;align-items:center;gap:12px}
.agent-dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,#F0651E,#ff8749)}
.agent-name{font-weight:600;letter-spacing:.01em}
.agent-sub{font-size:12px}

.controls label{font-size:12px;margin-right:8px;color:var(--muted)}
.select{
  background:var(--elev); color:var(--text); border:1px solid var(--border);
  border-radius:12px; padding:8px 10px; outline:none;
}

.chat{
  flex:1; overflow:auto; padding:22px;
  display:flex; flex-direction:column; gap:12px;
}
.chat .container{width:100%; display:flex; justify-content:center;}
.chat .inner{width:100%; max-width:900px; display:grid; gap:12px}

.intro{
  background:linear-gradient(180deg, rgba(18,28,40,.65), rgba(10,14,19,.65));
  border:1px solid var(--border); border-radius:var(--radius); padding:22px;
}
.intro .title{
  font-family:"Space Grotesk", Inter, sans-serif; font-size:20px; font-weight:700; letter-spacing:.01em; margin:0 0 6px;
}
.intro .desc{color:var(--muted); margin:0 0 8px}
.intro .scope{display:flex; gap:10px; flex-wrap:wrap; justify-content:center}
.chip{
  border:1px solid var(--border); background:#0b121a;
  color:var(--muted); font-size:12px; padding:6px 10px; border-radius:999px;
}

.msg{
  display:grid; gap:6px; padding:14px 16px;
  border:1px solid var(--border); border-radius:var(--radius);
  white-space:pre-wrap; word-break:break-word;
}
.msg .role{font-size:12px;color:var(--muted)}
.msg.user{background: var(--user-bg); border-color: var(--user-border);}
.msg.assistant{background: var(--assistant-bg); border-color: var(--assistant-border);}
.msg .content.md h1,.msg .content.md h2,.msg .content.md h3{margin:8px 0}
.msg .content.md ul{margin:8px 0 8px 20px}
.msg .content.md p{margin:8px 0}
.msg code{background:#0a121c;border:1px solid #0f1c2a;padding:2px 6px;border-radius:8px}
.msg pre{background:#0a121c;border:1px solid #0f1c2a;padding:12px;border-radius:10px;overflow:auto}

.msg .content.md { white-space: normal; }

.msg .content.md h2, 
.msg .content.md h3 { margin: 12px 0 6px; }
.msg .content.md ul, 
.msg .content.md ol { margin: 8px 0 8px 22px; }
.msg .content.md p { margin: 8px 0; }

.composer{
  display:grid; grid-template-columns: 1fr 120px; gap:10px; padding:16px 18px;
  border-top:1px solid var(--border); background:rgba(10,15,20,.65); backdrop-filter: blur(8px);
  position:sticky; bottom:0;
}
#input{
  min-height:46px; max-height:40vh; resize:vertical;
  padding:12px 14px; border:1px solid var(--border); border-radius:14px;
  background:#0a1118; color:var(--text); outline:none;
}
#input:focus{border-color:#1e2a39}

.modal{
  position: fixed;
  inset: 0;
  background: rgba(5,8,12,.85);
  backdrop-filter: blur(12px);
  display:flex; align-items:center; justify-content:center;
  z-index: 999;
}
.modal.hidden{display:none}
.modal-content{
  background: var(--panel);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 600px; max-width: 90%;
  text-align:center; animation: fadeIn .4s ease;
}
.modal-content h2{
  font-family:"Space Grotesk", Inter, sans-serif; font-size:22px; margin-bottom:8px;
}
.modal-content .subtext{font-size:13px; color:var(--muted); margin-top:12px}

.agent-grid{
  display:grid; grid-template-columns: repeat(3,1fr); gap:14px; margin-top:20px; justify-items:center;
}
.agent-grid .agent-node{
  width:120px; height:120px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, rgba(240,101,30,.35), transparent 70%);
  border:1px solid var(--border);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  color:var(--text); font-weight:600; font-size:13px; position:relative;
  animation: pulseGlow 3s infinite ease-in-out;
}
.agent-grid .agent-node span{font-size:11px; color:var(--muted)}

@keyframes pulseGlow{
  0%,100%{ box-shadow:0 0 12px rgba(240,101,30,.25); transform:scale(1) }
  50%{ box-shadow:0 0 24px rgba(240,101,30,.45); transform:scale(1.05) }
}
@keyframes fadeIn{ from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:translateY(0)} }

.muted{color:var(--muted)}
.hidden{display:none}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 78vw;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform .28s ease;
    z-index: 1100;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
    box-shadow: none !important;
  }

  body.sidebar-open::before {
    content: none !important;
    display: none !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    pointer-events: none !important;
  }

  body.sidebar-open { overflow: hidden; }

  .hamburger {
    position: absolute;
    left: 12px;
    top: 10px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: rgba(10,15,20,.75);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
  }

  .hamburger span,
  .hamburger span::before,
  .hamburger span::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
  }

  .hamburger span::before { transform: translateY(-6px); }
  .hamburger span::after  { transform: translateY(6px);  }

  body.sidebar-open .hamburger span { opacity: 0; }
  body.sidebar-open .hamburger span::before {
    opacity: 1;
    transform: rotate(45deg);
  }
  body.sidebar-open .hamburger span::after {
    opacity: 1;
    transform: rotate(-45deg);
  }

  .topbar { padding-left: 58px; }

  .chat { padding: 16px; }

  .composer {
    grid-template-columns: 1fr 96px;
  }

  #send {
    width: 96px;
    padding: 10px 12px;
    border-radius: 12px;
  }

  #input {
    min-height: 42px;
  }
}

@media (min-width: 901px) {
  .hamburger { display: none !important; }
}

.toast {
  position: fixed;
  bottom: 92px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(14, 20, 28, 0.96);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .01em;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 1500;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
@media (max-width: 900px) {
  .toast {
    bottom: 78px;
    font-size: 12px;
    padding: 9px 12px;
  }
}

@media (max-width: 900px) {
  #teaser-modal .agent-node {
    width: 86px;
    height: 86px;
    font-size: 13px;
    margin: 10px;
  }
  #teaser-modal .agent-node div {
    font-size: 13px;
  }
  #teaser-modal .agent-node span {
    font-size: 11px;
  }
  #agent-network {
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    justify-items: center;
  }
  #teaser-modal .modal-content {
    max-width: 92%;
    padding: 18px 14px 24px;
  }
}

.msg pre {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: pre;
  word-wrap: normal;
  -webkit-overflow-scrolling: touch;
}

.msg pre code {
  display: block;
  white-space: inherit;
  line-height: 1.45;
  font-size: 13.5px;
  tab-size: 2;
}

.sidebar {
  display: flex;
  flex-direction: column;
}

.sidebar-spacer {
  flex: 1 1 auto;
}

.sidebar-footer {
  padding-top: 10px;
  padding-bottom: 6px;
  border-top: 1px solid var(--border);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background .2s ease, transform .02s;
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(240,101,30,0.06);
}

@media (max-width: 900px) {
  .sidebar-footer {
    padding-bottom: 14px;
  }
  .social-link {
    width: fit-content;
  }
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 10px;
  padding-bottom: 6px;
  border-top: none;
}

.msg .content.md h1 { font-size: 18px; line-height: 1.35; font-weight: 700; margin: 10px 0 6px; }
.msg .content.md h2 { font-size: 16px; line-height: 1.35; font-weight: 650; margin: 10px 0 6px; }
.msg .content.md h3 { font-size: 15px; line-height: 1.35; font-weight: 600; margin: 10px 0 6px; }

.msg .content.md p   { font-weight: 400; }
.msg .content.md li  { font-weight: 400; }

.msg .content.md ul,
.msg .content.md ol {
  margin: 6px 0 10px 20px;
  padding-left: 0;
  list-style-position: outside;
}

.msg .content.md li { margin: 4px 0; }

.msg .content.md strong { font-weight: 600; }

.msg .content.md pre {
  max-width: 100%;
  overflow-x: auto;
  white-space: pre;
}
.msg .content.md code {
  font-weight: 400;
}

.msg .content.md h1,
.msg .content.md h2,
.msg .content.md h3,
.msg .content.md h4,
.msg .content.md h5,
.msg .content.md h6 {
  font-size: 15px;
  font-weight: 400;
  margin: 6px 0;
  display: block;
}

.msg .content.md strong,
.msg .content.md b {
  font-weight: 600;
}

.msg .content.md p,
.msg .content.md li {
  font-weight: 400;
  line-height: 1.6;
}

.msg .content.md ul,
.msg .content.md ol {
  margin: 6px 0 8px 20px;
  padding-left: 0;
}