:root{
  --bg:#070614;
  --card:#0f0b24;
  --text:#f6f4ff;
  --muted:#bdb6e6;
  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 45px rgba(0,0,0,.45);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(168,85,247,.22), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, rgba(34,211,238,.14), transparent 62%),
    radial-gradient(1200px 700px at 50% 110%, rgba(109,40,217,.14), transparent 60%),
    var(--bg);
}

.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 18px;
  border-bottom:1px solid var(--border);
  background: rgba(15,11,36,.55);
  backdrop-filter: blur(10px);
  position:sticky;
  top:0;
  z-index:5;
}

.brand{display:flex; gap:12px; align-items:center}
.dot{
  width:14px; height:14px; border-radius:999px;
  background: linear-gradient(135deg, rgba(168,85,247,.95), rgba(34,211,238,.85));
  box-shadow: 0 0 0 5px rgba(168,85,247,.14);
}
.title{font-weight:800; letter-spacing:.3px}
.sub{color:var(--muted); font-size:12px; margin-top:2px}

.actions{display:flex; gap:10px; align-items:center}

.btn{
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
}
.btn:hover{background: rgba(255,255,255,.09)}
.btn.ghost{background: transparent}
.btn.danger{border-color: rgba(255,90,90,.35); background: rgba(255,90,90,.10)}
.btn.danger:hover{background: rgba(255,90,90,.16)}

.grid{
  display:grid;
  grid-template-columns: 1.4fr .9fr;
  gap:14px;
  padding:14px;
  max-width: 1200px;
  margin: 0 auto;
}

.panel{
  background: rgba(15,11,36,.68);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  backdrop-filter: blur(10px);
}

.panel h2{margin:0 0 10px 0; font-size:18px}
.panel h3{margin:14px 0 8px 0; font-size:14px; color:var(--muted); font-weight:700}

.thread{
  height: 62vh;
  overflow:auto;
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  background: rgba(0,0,0,.18);
}

.msg{
  display:flex;
  gap:10px;
  padding:10px;
  border-radius: 14px;
  margin: 8px 0;
  border: 1px solid rgba(255,255,255,.06);
}
.msg.user{background: rgba(34,211,238,.06)}
.msg.ai{background: rgba(168,85,247,.06)}
.tag{
  min-width: 130px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}
.body{white-space: pre-wrap; line-height:1.35}

.composer{
  display:flex;
  gap:10px;
  margin-top:10px;
}
.composer input{
  flex:1;
  padding:12px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline:none;
}
.composer input::placeholder{color: rgba(189,182,230,.7)}

.hint{margin-top:10px; color:var(--muted); font-size:12px}

.kv{
  display:grid;
  grid-template-columns: 1fr;
  gap:8px;
  border:1px solid var(--border);
  border-radius: 14px;
  padding:10px;
  background: rgba(0,0,0,.16);
}
.k{color:var(--muted); font-size:12px; font-weight:700}
.v{font-weight:700}

.tickets{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.ticket{
  border:1px solid var(--border);
  border-radius:14px;
  padding:10px;
  background: rgba(0,0,0,.16);
}
.ticket .t{font-weight:800; margin-bottom:4px}
.ticket .m{color:var(--muted); font-size:12px; line-height:1.35}

.foot{
  max-width:1200px;
  margin: 0 auto;
  padding: 0 14px 18px 14px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 980px){
  .grid{grid-template-columns: 1fr}
  .thread{height: 56vh}
}