/* Tenor — Bloomberg-dark terminal theme.
   Semantics are sacred: green = up, red = down, amber = accent/active. */
:root {
  --bg: #0a0c10;
  --panel: #10131a;
  --panel2: #151923;
  --border: #222836;
  --text: #d3dae6;
  --dim: #8b94a7;
  --faint: #5c657a;
  --amber: #f7a500;
  --amber-dim: #7a5a10;
  --up: #26a69a;
  --down: #ef5350;
  --blue: #4f8cff;
  --mono: "Cascadia Mono", "SF Mono", "Consolas", ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 var(--mono);
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  overflow: hidden;
}

/* ---------- header ---------- */
.topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px 6px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand {
  font-weight: 700; letter-spacing: .22em; color: var(--amber);
  font-size: 14px; padding-right: 2px; user-select: none;
}
.roots { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.roots::-webkit-scrollbar { display: none; }
.roots button {
  font: 11px var(--mono); letter-spacing: .08em;
  color: var(--dim); background: transparent; border: 1px solid transparent;
  padding: 4px 9px; cursor: pointer; white-space: nowrap;
}
.roots button.active { color: #000; background: var(--amber); font-weight: 700; }
.roots button:not(.active):hover { color: var(--text); border-color: var(--border); }
.asof { margin-left: auto; color: var(--faint); font-size: 10px; white-space: nowrap; }

/* ---------- command bar ---------- */
.cmdbar {
  position: relative; display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; background: var(--panel2); border-bottom: 1px solid var(--border);
}
.cmd-prompt { color: var(--amber); font-weight: 700; }
#cmd {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font: 13px var(--mono); letter-spacing: .04em;
  text-transform: uppercase; min-width: 0;
}
#cmd::placeholder { color: var(--faint); text-transform: none; }
#cmd.err { color: var(--down); }
.cmd-hints {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 30;
  background: var(--panel2); border: 1px solid var(--border); border-top: none;
  max-height: 220px; overflow-y: auto;
}
.cmd-hints button {
  display: flex; gap: 10px; width: 100%; text-align: left;
  padding: 7px 12px; background: none; border: none; cursor: pointer;
  color: var(--text); font: 12px var(--mono);
}
.cmd-hints button:hover, .cmd-hints button.sel { background: #1b2130; }
.cmd-hints .h-sym { color: var(--amber); min-width: 88px; }
.cmd-hints .h-desc { color: var(--dim); }

/* ---------- instrument bar ---------- */
.instbar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-bottom: 1px solid var(--border);
  background: var(--panel); min-height: 40px;
}
.seg { display: inline-flex; border: 1px solid var(--border); }
.seg button {
  font: 10px var(--mono); letter-spacing: .1em; color: var(--dim);
  background: transparent; border: none; padding: 5px 9px; cursor: pointer; white-space: nowrap;
}
.seg button.active { background: var(--amber); color: #000; font-weight: 700; }
.seg button:disabled { opacity: .35; cursor: default; }
.strip { display: flex; align-items: center; gap: 8px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.strip::-webkit-scrollbar { display: none; }
.chips { display: flex; gap: 4px; }
.chips button {
  font: 11px var(--mono); color: var(--dim); background: var(--panel2);
  border: 1px solid var(--border); padding: 4px 8px; cursor: pointer; white-space: nowrap;
}
.chips button.active { color: var(--amber); border-color: var(--amber); background: #1a1608; }
.chips button:disabled { opacity: .3; cursor: default; }
.divider { width: 1px; height: 18px; background: var(--border); flex: none; }
.custom-spread { display: flex; align-items: center; gap: 4px; flex: none; }
.custom-spread .vs { color: var(--faint); font-size: 10px; }
select {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  font: 11px var(--mono); padding: 3px 4px;
}
.mini {
  font: 10px var(--mono); letter-spacing: .08em; color: var(--dim);
  background: var(--panel2); border: 1px solid var(--border); padding: 4px 8px; cursor: pointer;
}
.mini.active, .mini:hover { color: var(--amber); border-color: var(--amber-dim); }
.legs { color: var(--amber); font-size: 11px; white-space: nowrap; }

/* ---------- chart ---------- */
.chartwrap { position: relative; flex: 1; min-height: 220px; background: var(--bg); }
#chartHost { position: absolute; inset: 0; }
.legend {
  position: absolute; z-index: 20; top: 6px; left: 8px; pointer-events: none;
  font: 11px var(--mono); color: var(--dim); white-space: pre-wrap;
  max-width: calc(100% - 96px);            /* keep clear of the price scale */
  text-shadow: 0 0 4px var(--bg), 0 0 8px var(--bg);
}
.legend .l-sym { color: var(--text); font-weight: 700; font-size: 13px; letter-spacing: .04em; }
.legend .l-sub { color: var(--faint); }
.legend .up { color: var(--up); }
.legend .down { color: var(--down); }
.empty {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--faint); text-align: center; padding: 20px; z-index: 10;
}
.token-panel {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(10,12,16,.94); z-index: 40; padding: 20px;
}
.token-box { max-width: 340px; width: 100%; border: 1px solid var(--border); background: var(--panel); padding: 18px; }
.token-box h2 { font-size: 13px; letter-spacing: .1em; color: var(--amber); margin-bottom: 8px; }
.token-box p { color: var(--dim); font-size: 11px; margin-bottom: 10px; }
.token-box input {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  font: 12px var(--mono); padding: 8px; margin-bottom: 8px;
}
.token-box button {
  width: 100%; background: var(--amber); color: #000; border: none; font: 700 11px var(--mono);
  letter-spacing: .1em; padding: 9px; cursor: pointer;
}
.dim { color: var(--faint); }

/* ---------- toolbar ---------- */
.toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; overflow-x: auto;
  padding: 6px 10px; border-top: 1px solid var(--border); background: var(--panel);
  scrollbar-width: none;
  position: relative; z-index: 60;   /* stacking context above the chart canvases, so the upward TA menu is clickable */
}
.toolbar::-webkit-scrollbar { display: none; }
.ta-wrap { position: relative; margin-left: auto; }
.ta-menu {
  position: fixed; z-index: 70;   /* fixed: escapes the toolbar's overflow clip; anchored to the button in JS */
  background: var(--panel2); border: 1px solid var(--border); padding: 8px 10px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 5px 14px; min-width: 230px;
}
.ta-menu label { display: flex; gap: 6px; align-items: center; color: var(--dim); font-size: 11px; white-space: nowrap; cursor: pointer; }
.ta-menu input { accent-color: var(--amber); }

/* ---------- stats ---------- */
.stats {
  display: flex; gap: 0; overflow-x: auto; border-top: 1px solid var(--border);
  background: var(--panel2); scrollbar-width: none;
}
.stats::-webkit-scrollbar { display: none; }
.stat { padding: 6px 12px; border-right: 1px solid var(--border); white-space: nowrap; }
.stat .k { font-size: 9px; letter-spacing: .12em; color: var(--faint); }
.stat .v { font-size: 12px; color: var(--text); }
.stat .v.up { color: var(--up); }
.stat .v.down { color: var(--down); }

/* ---------- footer ---------- */
.foot {
  padding: 5px 10px calc(5px + env(safe-area-inset-bottom));
  color: var(--faint); font-size: 9px; border-top: 1px solid var(--border);
  background: var(--panel);
}

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
  .asof { width: 100%; order: 3; margin-left: 0; }
  .instbar { flex-wrap: wrap; }
}