:root {
  --bg: #07090f;
  --bg2: #0c101a;
  --panel: rgba(16, 20, 32, 0.92);
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8ecf7;
  --muted: #8b93a7;
  --accent: #8b6cff;
  --accent2: #5ce1c5;
  --user: rgba(139, 108, 255, 0.14);
  --vyra: rgba(92, 225, 197, 0.08);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(139, 108, 255, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(92, 225, 197, 0.1), transparent 50%),
    var(--bg);
}
.app { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar {
  display: flex; flex-direction: column; gap: 12px;
  padding: 20px 16px; border-right: 1px solid var(--line);
  background: rgba(8, 10, 16, 0.85); backdrop-filter: blur(12px);
}
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #5b8cff);
  box-shadow: 0 8px 24px rgba(139, 108, 255, 0.35);
}
.brand-name { font-weight: 700; font-size: 1.1rem; }
.brand-sub, .hint, .side-footer, .top-sub, .side-label, .k { color: var(--muted); font-size: 12px; }
label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
select, input, textarea {
  width: 100%; border: 1px solid var(--line); background: var(--bg2);
  color: var(--text); border-radius: 10px; padding: 10px 12px; font: inherit;
}
select:focus, input:focus, textarea:focus {
  outline: none; border-color: rgba(139, 108, 255, 0.78);
  box-shadow: 0 0 0 3px rgba(139, 108, 255, 0.15);
}
.session-row { display: grid; grid-template-columns: 1fr auto auto; gap: 6px; }
button {
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04);
  color: var(--text); border-radius: 10px; padding: 8px 12px; font: inherit; cursor: pointer;
}
button:hover { border-color: rgba(139, 108, 255, 0.45); }
button.ghost { padding: 8px 10px; }
button.primary {
  background: linear-gradient(135deg, var(--accent), #6a8cff);
  border: none; font-weight: 600; padding: 10px 18px;
}
button.primary:disabled { opacity: 0.5; cursor: wait; }
.side-block { margin-top: 8px; }
.side-label { margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.tool-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 13px; }
.tool-list .dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  margin-right: 8px; background: var(--muted);
}
.tool-list .dot.on { background: var(--accent2); box-shadow: 0 0 8px rgba(92, 225, 197, 0.6); }
.status-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 12px; background: var(--panel);
  display: grid; gap: 6px; font-size: 12px;
}
.status-card .k { display: inline-block; min-width: 52px; }
.side-footer { margin-top: auto; padding: 6px 4px; }
.main { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; }
.topbar {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; padding: 20px 28px 12px; border-bottom: 1px solid var(--line);
}
.topbar h1 { margin: 0; font-size: 1.25rem; font-weight: 650; }
.top-sub { margin: 4px 0 0; }
.top-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  font-size: 11px; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(0,0,0,0.25);
}
.pill#pill-live { color: var(--accent2); border-color: rgba(92, 225, 197, 0.35); }
.pill.muted { color: var(--muted); }
.thread {
  flex: 1; overflow-y: auto; padding: 20px 28px;
  display: flex; flex-direction: column; gap: 14px;
}
.msg {
  max-width: min(780px, 100%); padding: 12px 14px; border-radius: 14px;
  border: 1px solid var(--line); line-height: 1.45;
  white-space: pre-wrap; word-break: break-word;
}
.msg.user { align-self: flex-end; background: var(--user); border-color: rgba(139, 108, 255, 0.25); }
.msg.vyra { align-self: flex-start; background: var(--vyra); border-color: rgba(92, 225, 197, 0.18); }
.msg .who {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); margin-bottom: 6px;
}
.msg .meta { margin-top: 8px; font-size: 11px; color: var(--muted); }
.msg.error { border-color: rgba(255, 107, 138, 0.4); }
.composer {
  padding: 12px 28px 20px; border-top: 1px solid var(--line);
  background: rgba(9, 11, 17, 0.82); backdrop-filter: blur(16px);
}
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 10px; }
.chip-label { font-size: 11px; color: var(--muted); margin-right: 4px; }
.chip {
  appearance: none; border: 1px solid rgba(140, 160, 220, 0.22);
  background: rgba(40, 48, 72, 0.45); color: rgba(200, 210, 240, 0.92);
  border-radius: 999px; padding: 4px 10px; font-size: 12px;
}
.chip:hover { border-color: rgba(160, 180, 255, 0.5); }
textarea { min-height: 78px; resize: vertical; }
.composer-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-top: 10px;
}
.typing { opacity: 0.7; font-style: italic; }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--line); }
  .topbar, .thread, .composer { padding-left: 16px; padding-right: 16px; }
}