:root {
  --bg: #0d1117;
  --bg-panel: #161b22;
  --bg-row: #1c2128;
  --bg-row-hover: #22272e;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --purple: #bc8cff;
  --orange: #ffa657;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Mono", Menlo, monospace;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}
header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .title { font-size: 16px; font-weight: 600; color: var(--accent); }
.brand .version { color: var(--muted); font-size: 11px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); transition: background .3s; }
.dot.ok { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.warn { background: var(--yellow); }
.dot.err { background: var(--red); }
.summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex: 1;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 12px;
  background: var(--bg-row);
  border-radius: 4px;
  border: 1px solid var(--border);
  min-width: 90px;
}
.stat.alert { border-color: var(--yellow); }
.stat .lbl { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .5px; }
.stat .val { font-size: 14px; font-weight: 600; }
.val.green { color: var(--green); }
.val.red { color: var(--red); }
.val.yellow { color: var(--yellow); }

nav.tabs {
  display: flex;
  gap: 2px;
  padding: 0 20px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  white-space: nowrap;
}
.tab {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  border-bottom: 2px solid transparent;
  transition: all .2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  margin-left: 6px;
}

main { padding: 20px; max-width: 1900px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}
.panel-head h2 { font-size: 15px; font-weight: 600; }
.panel-head .hint { color: var(--muted); font-size: 11px; }

table.data { width: 100%; border-collapse: collapse; background: var(--bg-panel); border-radius: 6px; overflow: hidden; }
table.data thead { background: var(--bg-row); }
table.data th {
  padding: 8px 12px;
  text-align: left;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--border);
}
table.data td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
table.data tbody tr:hover { background: var(--bg-row-hover); }
table.data tbody tr:last-child td { border-bottom: none; }
.txt-mono { font-family: "SF Mono", Menlo, monospace; }
.txt-green { color: var(--green); }
.txt-red { color: var(--red); }
.txt-yellow { color: var(--yellow); }
.txt-muted { color: var(--muted); }
.flash { animation: flash 1.2s ease-out; }
@keyframes flash { 0% { background: rgba(88, 166, 255, .3); } 100% { background: transparent; } }

/* Positions grid (per-position cards) */
.positions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.pos-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .3s, box-shadow .3s;
}
.pos-card.profit { border-left: 3px solid var(--green); }
.pos-card.loss { border-left: 3px solid var(--red); }
.pos-card.flipped { border-color: var(--purple); }
.pos-card .head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.pos-card .coin { font-size: 15px; font-weight: 600; color: var(--accent); }
.pos-card .side-l { color: var(--green); font-weight: 600; }
.pos-card .side-s { color: var(--red); font-weight: 600; }
.pos-card .whale-label { color: var(--muted); font-size: 11px; font-family: "SF Mono", monospace; }
.pos-card .pnl-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}
.pos-card .pnl-bp {
  font-size: 18px;
  font-weight: 700;
}
.pos-card .pnl-usd {
  font-size: 13px;
  color: var(--muted);
}
.pos-card .peak {
  color: var(--yellow);
  font-size: 11px;
}
.pos-card .details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
  font-size: 11px;
}
.pos-card .details .k { color: var(--muted); }

/* Events feed */
.events-list { list-style: none; max-height: 75vh; overflow-y: auto; }
.events-list li {
  padding: 6px 12px;
  margin-bottom: 2px;
  background: var(--bg-panel);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
  font-size: 12px;
  display: flex;
  gap: 12px;
}
.events-list li.warning { border-left-color: var(--yellow); }
.events-list li.critical { border-left-color: var(--red); background: rgba(248, 81, 73, .08); }
.events-list .ev-ts { color: var(--muted); min-width: 80px; }
.events-list .ev-type { min-width: 130px; font-weight: 600; color: var(--accent); }
.events-list .ev-msg { flex: 1; }
.events-list .ev-pnl { color: var(--muted); }
.events-list .ev-pnl.green { color: var(--green); }
.events-list .ev-pnl.red { color: var(--red); }

/* Settings */
.settings-categories { display: flex; flex-direction: column; gap: 20px; }
.settings-cat {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
}
.settings-cat h3 {
  font-size: 13px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-weight: 600;
}
.setting-row {
  display: grid;
  grid-template-columns: 220px 140px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.setting-row:last-child { border-bottom: none; }
.setting-row .k { font-family: "SF Mono", monospace; font-weight: 600; }
.setting-row input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 3px;
  font-family: inherit;
  font-size: 12px;
  width: 100%;
}
.setting-row input:focus { border-color: var(--accent); outline: none; }
.setting-row .desc { color: var(--muted); font-size: 11px; }
.setting-row .save-btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 4px 12px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
}
.setting-row .save-btn:disabled { opacity: .4; cursor: not-allowed; }
.setting-row .save-btn.dirty { background: var(--yellow); }
.setting-row .save-btn.saved { background: var(--green); }

footer {
  padding: 8px 20px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  display: flex;
  gap: 12px;
}
footer .sep { color: var(--border); }