:root {
  --bg: #0b0e14;
  --bg2: #10151f;
  --panel: #151b28;
  --panel2: #1a2233;
  --border: #232d42;
  --text: #d7e0f0;
  --dim: #7c8aa5;
  --accent: #4f8cff;
  --green: #2ecc71;
  --red: #ff5c5c;
  --amber: #f5a623;
  --purple: #9d6bff;
  --mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --sans: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
html[data-theme="light"] {
  --bg: #f4f6fa;
  --bg2: #ffffff;
  --panel: #ffffff;
  --panel2: #f0f3f9;
  --border: #dbe2ee;
  --text: #1a2233;
  --dim: #6a7790;
  --accent: #2f6fe0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  overflow: hidden;
}
.mono { font-family: var(--mono); }
.dim { color: var(--dim); }

/* topbar */
.topbar {
  display: flex; align-items: center; gap: 16px;
  height: 52px; padding: 0 16px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; }
.logo { color: var(--accent); font-size: 20px; }
.brand-name { font-weight: 700; letter-spacing: .5px; }
.brand-sub { color: var(--dim); font-size: 12px; }
.topbar-status { display: flex; gap: 8px; align-items: center; }
.pill { padding: 2px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; letter-spacing: .5px; border: 1px solid var(--border); color: var(--dim); }
.pill-active { color: #0b0e14; background: var(--green); border-color: var(--green); }
.pill-paused { background: var(--amber); color: #0b0e14; border-color: var(--amber); }
.pill-stopped { background: var(--red); color: #fff; border-color: var(--red); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.icon-btn { background: none; border: 1px solid var(--border); color: var(--text); border-radius: 6px; padding: 4px 8px; cursor: pointer; }

/* layout */
.layout { display: flex; height: calc(100vh - 52px); }
.sidebar {
  width: 208px; flex-shrink: 0;
  background: var(--bg2); border-right: 1px solid var(--border);
  padding: 10px 8px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 6px;
  color: var(--dim); text-decoration: none; cursor: pointer;
  font-size: 13px; transition: background .12s, color .12s;
}
.nav-item span { width: 18px; text-align: center; }
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--panel2); color: var(--text); border-left: 2px solid var(--accent); }
.nav-spacer { flex: 1; }

/* content + views */
.content { flex: 1; overflow-y: auto; padding: 20px; }
.view { display: none; }
.view.active { display: block; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

h1 { font-size: 18px; margin-bottom: 4px; }
h2 { font-size: 15px; margin: 16px 0 8px; color: var(--text); }
.sub { color: var(--dim); font-size: 12px; margin-bottom: 16px; }

/* cards */
.grid { display: grid; gap: 12px; }
.cards { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px;
}
.card .k { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.card .v { font-size: 24px; font-weight: 700; margin-top: 4px; font-family: var(--mono); }
.card .v.green { color: var(--green); }
.card .v.red { color: var(--red); }
.card .v.amber { color: var(--amber); }
.card .s { font-size: 12px; color: var(--dim); margin-top: 2px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; position: sticky; top: 0; background: var(--panel); }
tr:hover td { background: var(--panel2); }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.panel-head { padding: 10px 14px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 13px; display: flex; justify-content: space-between; align-items: center; }
.panel-body { padding: 0; overflow-x: auto; }

/* badges */
.badge { display: inline-block; padding: 1px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.b-RUNNING { background: rgba(79,140,255,.15); color: var(--accent); }
.b-QUEUED { background: rgba(245,166,35,.15); color: var(--amber); }
.b-COMPLETED { background: rgba(46,204,113,.15); color: var(--green); }
.b-IDLE { background: rgba(124,138,165,.15); color: var(--dim); }
.b-FAILED, .b-BLOCKED_HUMAN { background: rgba(255,92,92,.15); color: var(--red); }
.b-WAITING_DEPENDENCY { background: rgba(157,107,255,.15); color: var(--purple); }
.b-BUY { background: rgba(46,204,113,.15); color: var(--green); }
.b-WAIT { background: rgba(245,166,35,.15); color: var(--amber); }
.b-SELL { background: rgba(255,92,92,.15); color: var(--red); }
.b-HEALTHY { background: rgba(46,204,113,.15); color: var(--green); }
.b-DEGRADED { background: rgba(245,166,35,.15); color: var(--amber); }
.b-UNAVAILABLE { background: rgba(255,92,92,.15); color: var(--red); }

/* activity feed */
.feed { display: flex; flex-direction: column; }
.feed-item { display: flex; gap: 10px; padding: 7px 14px; border-bottom: 1px solid var(--border); font-family: var(--mono); font-size: 12px; }
.feed-item .ts { color: var(--dim); flex-shrink: 0; }
.feed-item .ev { color: var(--accent); flex-shrink: 0; }
.feed-item .msg { color: var(--text); word-break: break-word; }

/* chat */
.chat-box { display: flex; flex-direction: column; height: calc(100vh - 120px); }
.chat-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 80%; padding: 10px 14px; border-radius: 12px; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; }
.msg.cio { align-self: flex-start; background: var(--panel2); border: 1px solid var(--border); }
.chat-input { display: flex; gap: 10px; padding: 12px; border-top: 1px solid var(--border); }
.chat-input input { flex: 1; background: var(--panel); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.chat-input button { background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 10px 18px; cursor: pointer; font-weight: 600; }

/* control */
.ctrl-row { display: flex; gap: 10px; margin-bottom: 16px; }
.ctrl-btn { padding: 10px 18px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer; font-weight: 600; }
.ctrl-btn.start { background: var(--green); color: #0b0e14; border-color: var(--green); }
.ctrl-btn.pause { background: var(--amber); color: #0b0e14; border-color: var(--amber); }
.ctrl-btn.stop { background: var(--red); color: #fff; border-color: var(--red); }

/* chart */
.chart-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
canvas { width: 100%; }

/* misc */
.empty { color: var(--dim); padding: 24px; text-align: center; font-size: 13px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 4px 12px; font-size: 13px; }
.kv .k { color: var(--dim); }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 2px 8px; border-radius: 6px; background: var(--panel2); border: 1px solid var(--border); font-size: 11px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } .sidebar { width: 60px; } .nav-item span { width: auto; } .nav-item { justify-content: center; font-size: 0; } .nav-item span { font-size: 18px; } }