:root {
  --bg: #0b0e14;
  --bg2: #121722;
  --panel: #161c28;
  --panel2: #1c2434;
  --border: #263143;
  --text: #e6ebf2;
  --muted: #8a97ab;
  --accent: #5865f2;
  --green: #00b894;
  --red: #ff4757;
  --amber: #f39c12;
  --blue: #3498db;
  --purple: #9b59b6;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, #17203010, transparent),
    var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; }
.topbar h1 { margin: 0; font-size: 17px; letter-spacing: 0.3px; }
.sub { margin: 0; color: var(--muted); font-size: 12px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  overflow-x: auto;
}
.tab {
  background: none;
  border: none;
  color: var(--muted);
  padding: 12px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

main { padding: 24px; max-width: 1280px; margin: 0 auto; }
.tabpane { display: none; }
.tabpane.active { display: block; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.panel h2 { margin: 0 0 14px; font-size: 15px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; }
.panel-head h2 { margin: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
tbody tr:hover { background: var(--panel2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.muted { color: var(--muted); font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.pill {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.pill-muted { background: #2a3446; color: var(--muted); }
.pill-ok { background: rgba(0,184,148,0.15); color: var(--green); }
.pill-err { background: rgba(255,71,87,0.15); color: var(--red); }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
}
.tag-buy, .tag-bullish { background: rgba(0,184,148,0.15); color: var(--green); }
.tag-sell, .tag-bearish { background: rgba(255,71,87,0.15); color: var(--red); }
.tag-sideways { background: #2a3446; color: var(--muted); }
.tag-realtime { background: rgba(243,156,18,0.15); color: var(--amber); }
.tag-confirmed { background: rgba(88,101,242,0.18); color: #9aa5ff; }

.pos { color: var(--green); }
.neg { color: var(--red); }

/* zone dots for live state */
.zone { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-green { background: var(--green); }
.dot-red { background: var(--red); }
.dot-blue { background: var(--blue); }
.dot-aqua { background: #1abc9c; }
.dot-orange { background: var(--amber); }
.dot-yellow { background: #f1c40f; }
.dot-gray { background: #7f8c9b; }

.state-grid { margin-bottom: 20px; }
.state-grid .symhead {
  display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px;
}
.state-grid .symhead h3 { margin: 0; font-size: 15px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  min-width: 110px;
}
.chip .k { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.chip .v { font-size: 20px; font-weight: 700; }

.btn {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.btn:hover { border-color: #3a4a63; background: #223049; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4853d6; }
.btn-danger { background: rgba(255,71,87,0.12); color: var(--red); border-color: rgba(255,71,87,0.35); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.req { color: var(--red); }
.err { color: var(--red); font-size: 13px; }
.hidden { display: none !important; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  padding: 20px;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 440px;
}
.modal-card h3 { margin: 0 0 18px; }
.modal-card label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.modal-card label.checkbox { display: flex; align-items: center; gap: 8px; color: var(--text); }
.modal-card input[type="text"],
.modal-card input:not([type]) {
  width: 100%;
  margin-top: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  font-size: 14px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

.empty { color: var(--muted); padding: 18px 4px; font-size: 13px; }

/* paper trading */
.paper-config {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
  margin-top: 14px;
}
.paper-config label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.paper-config input,
.paper-config select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  font-size: 14px;
  min-width: 170px;
}
.paper-config .btn { min-width: 90px; }
#equityChart svg { width: 100%; height: auto; display: block; }
.chart-empty { color: var(--muted); padding: 30px; text-align: center; }

/* brief highlight when a Live State cell value changes */
@keyframes cellflash {
  0% { background: rgba(88, 101, 242, 0.35); }
  100% { background: transparent; }
}
td.flash { animation: cellflash 1.1s ease-out; }