:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.05);
  --panel2: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.12);
  --text: #e5e7eb;
  --muted:#9aa7bd;
  --accent:#3b82f6;
  --accent2:#22c55e;
  --danger:#ef4444;
  --shadow: 0 14px 40px rgba(0,0,0,.45);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 15% 0%, rgba(59,130,246,.22), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(34,197,94,.18), transparent 55%),
    radial-gradient(900px 700px at 50% 100%, rgba(147,51,234,.12), transparent 60%),
    var(--bg);
  padding: 18px;
}

.app{
  max-width: 1280px;
  margin: 0 auto;
  display:grid;
  grid-template-columns: 340px 1fr;
  gap: 14px;
  height: calc(100vh - 36px);
  min-height: 560px;
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow:hidden;
}

/* Sidebar */
.side{
  display:flex;
  flex-direction:column;
  min-height: 0;
}
.sideTop{
  padding: 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.10);
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width:0;
}
.logo{
  width: 44px; height: 44px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.35), transparent 40%),
    linear-gradient(135deg, rgba(59,130,246,1), rgba(34,197,94,1));
  box-shadow: 0 12px 24px rgba(59,130,246,.18);
  flex: 0 0 auto;
}
.title{
  display:flex;
  flex-direction:column;
  min-width:0;
}
.title b{
  font-size: 1.05rem;
  line-height: 1.1;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}
.title span{
  font-size: .82rem;
  color: var(--muted);
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}

.iconBtn{
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
}

.sideBody{
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap: 12px;
  overflow:auto;
  min-height: 0;
}

.field label{
  display:block;
  font-size:.8rem;
  color: var(--muted);
  margin-bottom: 8px;
}

select, input[type="range"], input[type="number"], textarea{
  width:100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(2,6,23,.55);
  color: var(--text);
  padding: 10px 12px;
  outline:none;
}
select{ cursor:pointer; }

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.pillRow{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items:center;
}
.pill{
  font-family: var(--mono);
  font-size:.72rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.18);
  color: rgba(229,231,235,.85);
}

.btnRow{
  display:flex;
  gap: 10px;
}
button{
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  padding: 10px 12px;
  cursor:pointer;
  transition: transform .05s ease, background .2s ease;
}
button:active{ transform: translateY(1px); }
button.primary{
  background: rgba(59,130,246,.25);
  border-color: rgba(59,130,246,.35);
}
button.primary:hover{ background: rgba(59,130,246,.32); }
button.danger{
  background: rgba(239,68,68,.16);
  border-color: rgba(239,68,68,.28);
}

.sectionTitle{
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.10);
  font-size:.85rem;
  color: rgba(229,231,235,.9);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 10px;
}
.smallMuted{ font-size:.8rem; color: var(--muted); }

.sessions{
  display:flex;
  flex-direction:column;
  gap: 10px;
  padding-bottom: 6px;
}
.sess{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  border-radius: 14px;
  padding: 10px 10px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
}
.sess:hover{ background: rgba(255,255,255,.07); }
.sess .left{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap: 4px;
}
.sess .name{
  font-weight: 600;
  font-size:.92rem;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}
.sess .meta{
  font-size:.78rem;
  color: var(--muted);
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items:center;
}
.tagMini{
  font-family: var(--mono);
  font-size:.70rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.18);
  color: rgba(229,231,235,.85);
  flex: 0 0 auto;
}

/* Main */
.main{
  display:flex;
  flex-direction:column;
  min-height:0;
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.10);
}
.status{
  display:flex;
  flex-direction:column;
  gap: 4px;
  min-width:0;
}
.status .line1{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width:0;
}
.dot{
  width:10px; height:10px; border-radius: 50%;
  background: rgba(34,197,94,.85);
  box-shadow: 0 0 0 3px rgba(34,197,94,.15);
  flex: 0 0 auto;
}
.status .title2{
  font-weight: 700;
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}
.status .line2{
  font-size:.82rem;
  color: var(--muted);
}
.topRight{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
  justify-content:flex-end;
}

.chat{
  flex: 1 1 auto;
  padding: 16px;
  overflow:auto;
  display:flex;
  flex-direction:column;
  gap: 12px;
  scroll-behavior:smooth;
  min-height:0;
}

.bubble{
  max-width: 78%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  line-height: 1.45;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.bubble .meta{
  font-size:.75rem;
  color: rgba(229,231,235,.78);
  margin-bottom: 6px;
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap: wrap;
}
.bubble .meta .who{ font-weight: 700; }
.bubble .meta .time{
  font-family: var(--mono);
  font-size:.70rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.18);
  color: rgba(229,231,235,.85);
}

.me{
  align-self:flex-end;
  background: rgba(59,130,246,.16);
  border-color: rgba(59,130,246,.28);
}
.bot{
  align-self:flex-start;
  background: rgba(34,197,94,.12);
  border-color: rgba(34,197,94,.26);
}
.err{
  align-self:flex-start;
  background: rgba(239,68,68,.12);
  border-color: rgba(239,68,68,.30);
}

.typingDots{
  display:inline-flex;
  gap:6px;
  align-items:center;
}
.td{
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(229,231,235,.75);
  animation: bounce 1s infinite ease-in-out;
}
.td:nth-child(2){ animation-delay: .15s; }
.td:nth-child(3){ animation-delay: .30s; }
@keyframes bounce{
  0%, 80%, 100%{ transform: translateY(0); opacity:.45; }
  40%{ transform: translateY(-4px); opacity:1; }
}

.composer{
  border-top: 1px solid var(--border);
  padding: 14px;
  background: rgba(0,0,0,.10);
  display:flex;
  gap: 10px;
  align-items:flex-end;
}
.composer textarea{
  min-height: 48px;
  max-height: 180px;
  resize:none;
  font-size: 1rem;
  padding: 12px 12px;
  border-radius: 16px;
  background: rgba(2,6,23,.60);
}
.hintRow{
  margin-top: 8px;
  display:flex;
  justify-content:space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 0 14px 14px;
  font-size: .8rem;
  color: var(--muted);
}
.kbd{
  font-family: var(--mono);
  font-size:.72rem;
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.20);
  color: rgba(229,231,235,.85);
}

/* Modal */
.modalWrap{
  position: fixed;
  inset:0;
  display:none;
  place-items:center;
  background: rgba(0,0,0,.45);
  padding: 18px;
}
.modal{
  width: min(760px, 96vw);
  max-height: min(82vh, 720px);
  overflow:auto;
  border-radius: 18px;
  background: rgba(10,18,32,.92);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 18px 60px rgba(0,0,0,.55);
  padding: 14px;
  backdrop-filter: blur(12px);
}
.modalTop{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 10px;
  padding: 6px 6px 10px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 12px;
}
.modalTop b{ font-size: 1rem; }
.modalGrid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.modalActions{
  display:flex;
  justify-content:flex-end;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 12px;
}

@media (max-width: 980px){
  body{ padding: 12px; }
  .app{ grid-template-columns: 1fr; height:auto; min-height: 0; }
  .side{ height:auto; }
  .main{ height: calc(100vh - 24px); }
}