:root {
  --bg: #0b1214;
  --bg-2: #10191c;
  --panel: #152024;
  --panel-2: #1c292c;
  --line: #2a383c;
  --text: #e8f1f0;
  --muted: #a3b7ba;
  --accent: #65d9b7;
  --accent-dim: #8ce9ca;
  --danger: #f29d9b;
  --warn: #e8cb91;
  --shadow: 0 12px 40px #00000055;
  --radius: 14px;
  --sidebar: 15rem;
  --sans: "DM Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: var(--sans); }
body { display: flex; min-height: 100vh; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); }
img { max-width: 100%; }

.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 0.85rem 1.25rem;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; align-items: baseline; gap: 0.45rem; padding: 0 0.65rem; letter-spacing: 0.04em; }
.brand-mark {
  width: 1.7rem; height: 1.7rem; border-radius: 0.45rem;
  background: #1a3330; color: var(--accent); display: grid; place-items: center;
  font-family: Georgia, serif; font-weight: 700;
}
.brand b { font-weight: 650; }
.brand span { color: var(--muted); font-weight: 500; }
.tagline { color: var(--muted); font-size: 0.78rem; padding: 0.85rem 0.65rem 1.2rem; }
nav { display: flex; flex-direction: column; gap: 0.2rem; flex: 1; }
nav button {
  appearance: none; background: transparent; border: 0; text-align: left;
  padding: 0.7rem 0.8rem; border-radius: 0.65rem; color: var(--text); cursor: pointer;
}
nav button.active { background: #1c3330; color: var(--accent-dim); }
nav button:hover { background: #18272b; }
.side-foot { padding: 0.8rem 0.65rem 0; color: var(--muted); font-size: 0.75rem; }
.pill {
  display: inline-flex; align-items: center; gap: 0.35rem;
  border: 1px solid var(--line); background: #1a2427; color: var(--muted);
  border-radius: 999px; padding: 0.2rem 0.6rem; font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase;
}
.pill.live { color: var(--accent); border-color: #3c6559; background: #19312b; }
.pill.danger { color: var(--danger); border-color: #654143; background: #332628; }
.pill.warn { color: var(--warn); border-color: #625436; background: #2b2921; }

.shell { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.9rem 1.6rem; border-bottom: 1px solid var(--line); background: #0e1618;
  position: sticky; top: 0; z-index: 5;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: #859296; }
.dot.on { background: var(--accent); box-shadow: 0 0 0 4px #65d9b712; }
select, .search {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 0.4rem 0.65rem; min-height: 2.2rem;
}
.search { min-width: 16rem; }
.workspace { padding: 1.6rem 1.8rem 3rem; max-width: 1280px; }
.eyebrow { color: var(--muted); letter-spacing: 0.12em; font-size: 0.72rem; text-transform: uppercase; margin: 0; }
h1 { font-size: 2rem; font-weight: 600; margin: 0.25rem 0 0.4rem; letter-spacing: -0.02em; }
.page-description { color: var(--muted); margin: 0 0 1.3rem; line-height: 1.55; }
.heading-row { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.9rem; margin-bottom: 1.2rem; }
.metric, .panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.05rem;
}
.metric span, .metric small { color: var(--muted); font-size: 0.78rem; }
.metric strong { display: block; font-size: 1.45rem; margin: 0.35rem 0 0.2rem; font-variant-numeric: tabular-nums; }
.positive { color: var(--accent-dim) !important; }
.negative { color: var(--danger) !important; }
.muted { color: var(--muted); }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 0.8rem; }
.section-heading h2 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.panel + .panel, .panel { margin-top: 1rem; }
.metrics + .panel { margin-top: 0.2rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--line); }
td { padding: 0.7rem 0.4rem; border-bottom: 1px solid #223033; vertical-align: top; }
.table-wrap { overflow-x: auto; }
code, pre { font-family: var(--mono); font-size: 0.78rem; }
pre.record { background: #101719; border: 1px solid var(--line); border-radius: 8px; padding: 0.8rem; overflow: auto; max-height: 280px; }

.feed { display: flex; flex-direction: column; gap: 0.55rem; }
.feed-item {
  display: grid; grid-template-columns: 9.5rem 7rem 1fr auto; gap: 0.7rem; align-items: start;
  padding: 0.7rem 0; border-bottom: 1px solid #223033; font-size: 0.9rem;
}
.journal-row { border: 1px solid var(--line); border-radius: 10px; background: #121c1f; margin-bottom: 0.55rem; }
.journal-row summary {
  cursor: pointer; list-style: none; display: grid; grid-template-columns: 10rem 7.5rem 6rem 1fr auto;
  gap: 0.7rem; padding: 0.8rem 1rem; align-items: center;
}
.journal-row summary::-webkit-details-marker { display: none; }
.journal-body { padding: 0 1rem 1rem; display: grid; gap: 0.8rem; }
.chart-frame { background: #0e1618; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.chart-frame img { display: block; width: 100%; }

.bot-grid, .profile-grid, .lesson-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0.9rem; }
.kv { display: grid; grid-template-columns: 9rem 1fr; gap: 0.35rem 0.8rem; font-size: 0.88rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.rule-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.rule-grid h3 { margin: 0 0 0.35rem; font-size: 0.95rem; }
.rule-grid p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.9rem; }
.steps li { display: flex; gap: 0.85rem; }
.steps span { color: var(--accent); font-family: var(--mono); }
.empty { text-align: center; padding: 2.4rem 1rem; color: var(--muted); }
.empty h3 { color: var(--text); margin-bottom: 0.4rem; }
.compare td:first-child { font-weight: 600; }
.hour-bars { display: grid; grid-template-columns: repeat(24, 1fr); gap: 0.2rem; align-items: end; height: 120px; margin: 0.8rem 0; }
.hour-bars i { display: block; background: #2b6d5c; border-radius: 3px 3px 0 0; min-height: 2px; }
.hour-labels { display: grid; grid-template-columns: repeat(24, 1fr); color: var(--muted); font-size: 0.62rem; }
.message {
  display: flex; gap: 0.7rem; align-items: center; border: 1px solid #3c6559; background: #19312b;
  color: #bbe8d9; padding: 0.8rem 1rem; border-radius: 0.65rem; margin-bottom: 1rem; font-size: 0.9rem;
}
.market-card { cursor: pointer; text-align: left; width: 100%; }
.market-card.selected { outline: 1px solid var(--accent); }
.command-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.75rem 0; border-bottom: 1px solid #223033; }
.command-row code { color: var(--accent-dim); }
.hidden { display: none !important; }
footer.note { color: var(--muted); font-size: 0.75rem; margin-top: 2rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 900px) {
  body { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; border-right: 0; border-bottom: 1px solid var(--line); }
  nav { flex-direction: row; overflow: auto; }
  nav button { white-space: nowrap; }
  .search { min-width: 10rem; }
  .journal-row summary, .feed-item { grid-template-columns: 1fr 1fr; }
  .workspace { padding: 1rem; }
}