:root {
  --bg: #07101d;
  --bg-2: #0b1627;
  --panel: #101d31;
  --panel-2: #13233a;
  --border: rgba(138, 170, 255, 0.16);
  --border-strong: rgba(138, 170, 255, 0.28);
  --text: #eef4ff;
  --muted: #93a4c1;
  --soft: #c9d6ee;
  --accent: #8cb4ff;
  --accent-2: #ab8cff;
  --good: #7ee0b1;
  --warn: #ffd57c;
  --danger: #ff9b9b;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 22px;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(85, 119, 255, 0.12), transparent 28%), var(--bg);
  color: var(--text);
}
button, input, textarea {
  font: inherit;
}
button { cursor: pointer; }
.app-shell {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: 100vh;
}
.sidebar {
  background: rgba(7, 16, 29, 0.85);
  border-right: 1px solid var(--border);
  padding: 24px 14px 24px 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 10px 2px;
}
.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08121f;
}
.brand-title { font-size: 28px; font-weight: 800; letter-spacing: -.03em; }
.brand-sub { color: var(--muted); font-size: 14px; }
.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px;
}
.nav-link {
  background: transparent;
  color: var(--soft);
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 14px 14px;
  text-align: left;
  transition: .18s ease;
}
.nav-link:hover { background: rgba(255,255,255,.03); border-color: var(--border); }
.nav-link.active {
  background: linear-gradient(180deg, rgba(140,180,255,.08), rgba(140,180,255,.03));
  border-color: var(--border-strong);
  color: #fff;
}
.stack-card, .connection-card {
  margin: 0 6px;
  background: rgba(16, 29, 49, 0.72);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.stack-card h3 { margin: 0 0 12px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.stack-grid { display: grid; gap: 10px; }
.stack-item {
  display: flex; justify-content: space-between; gap: 10px;
  background: rgba(255,255,255,.02); border: 1px solid var(--border);
  border-radius: 14px; padding: 11px 12px;
}
.stack-item span { color: var(--muted); }
.conn-row { display:flex; justify-content:space-between; gap:10px; padding:8px 4px; color:var(--soft); }
.ok { color: var(--good); }
.warn { color: var(--warn); }
.danger { color: var(--danger); }
.main { padding: 24px 24px 28px; }
.topbar {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
  margin-bottom: 18px;
}
.topbar h1 { margin: 0; font-size: 44px; line-height: 1; letter-spacing: -.05em; }
.topbar p { margin: 8px 0 0; color: var(--muted); }
.topbar-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.primary-btn, .secondary-btn, .ghost-btn, .send-btn, .action-chip {
  border-radius: 14px; border: 1px solid var(--border-strong);
  padding: 12px 16px; background: rgba(255,255,255,.03); color: var(--text);
}
.primary-btn, .send-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08121f; border: none; font-weight: 700;
}
.secondary-btn:hover, .ghost-btn:hover, .action-chip:hover { border-color: var(--accent); }
.ghost-btn.small { padding: 8px 10px; font-size: 13px; }
.mode-pill {
  color: var(--soft); font-size: 13px; padding: 8px 10px;
  background: rgba(140,180,255,.08); border:1px solid var(--border-strong); border-radius: 999px;
}
.view { display: none; }
.view.active { display: block; }
.grid { display: grid; gap: 18px; }
.home-grid { grid-template-columns: minmax(0, 1.65fr) minmax(350px, .85fr); align-items: start; }
.side-column { display: grid; gap: 18px; }
.split-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel {
  background: linear-gradient(180deg, rgba(16,29,49,.94), rgba(14,24,40,.96));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-header h2 { margin: 0; font-size: 20px; letter-spacing: -.03em; }
.chat-panel { min-height: 640px; display:grid; grid-template-rows:auto 1fr auto; }
.chat-log {
  background: linear-gradient(180deg, rgba(21,34,56,.85), rgba(15,26,42,.9));
  border:1px solid var(--border); border-radius: 18px; padding: 18px;
  display:flex; flex-direction:column; gap: 14px; min-height: 420px; overflow:auto;
}
.msg {
  max-width: 82%; padding: 18px 20px; border-radius: 18px; line-height: 1.5;
  border: 1px solid var(--border); white-space: pre-wrap;
}
.msg.user { margin-left:auto; background: rgba(255,255,255,.03); }
.msg.jeff { background: rgba(70,120,220,.08); border-color: rgba(90,140,240,.18); }
.chat-form {
  margin-top: 14px;
  display:grid; grid-template-columns: minmax(0,1fr) 124px; gap: 12px; align-items: stretch;
}
textarea, input {
  width: 100%; background: rgba(7,16,29,.68); color: var(--text);
  border: 1px solid var(--border); border-radius: 16px; padding: 14px 16px;
  outline: none;
}
textarea:focus, input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(140,180,255,.12); }
.bullet-list, .ordered-list, .capability-list { margin: 0; padding-left: 20px; color: var(--soft); line-height: 1.7; }
.memory-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.memory-box, .object-card, .callout {
  border: 1px solid var(--border); border-radius: 18px; padding: 16px; background: rgba(255,255,255,.02);
}
.memory-box h3, .object-card h3 { margin: 0 0 8px; font-size: 16px; }
.object-list { display: grid; gap: 12px; }
.object-card p { margin: 0 0 8px; color: var(--soft); }
.object-card .meta { color: var(--muted); font-size: 13px; }
.empty-state {
  min-height: 140px; display: grid; place-items: center; text-align: center;
  color: var(--muted); border: 1px dashed var(--border-strong); border-radius: 18px; padding: 18px;
}
.mini-form { display:grid; gap: 12px; margin-bottom: 14px; }
.inline-form { grid-template-columns: minmax(0,1fr) auto; }
.inline-form input { min-height: 50px; }
.action-grid { display:flex; flex-wrap:wrap; gap: 10px; }
.task-list { display:grid; gap: 10px; }
.task-item {
  display:flex; align-items:center; gap: 12px; justify-content: space-between;
  padding: 13px 14px; border-radius: 14px; border:1px solid var(--border); background: rgba(255,255,255,.02);
}
.task-item.done { opacity: .65; }
.task-left { display:flex; align-items:center; gap:12px; min-width:0; }
.task-text { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.audit-log { display:grid; gap: 10px; }
.audit-item {
  border:1px solid var(--border); border-radius: 14px; padding: 12px 14px; background: rgba(255,255,255,.02);
}
.audit-item time { display:block; font-size:12px; color:var(--muted); margin-bottom:6px; }
.code-box {
  margin: 0; min-height: 180px; background: rgba(7,16,29,.72); border: 1px solid var(--border);
  border-radius: 18px; padding: 14px; overflow: auto; color: #d8e5ff;
}
label { display:grid; gap: 8px; }
label span { color: var(--muted); font-size: 14px; }
.mt-16 { margin-top: 18px; }
@media (max-width: 1280px) {
  .home-grid, .split-grid { grid-template-columns: 1fr; }
}
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .topbar { flex-direction: column; }
}
@media (max-width: 640px) {
  .main { padding: 16px; }
  .chat-form { grid-template-columns: 1fr; }
  .memory-columns { grid-template-columns: 1fr; }
  .topbar h1 { font-size: 36px; }
}