:root {
  --bg: #131722;
  --panel: #1e222d;
  --panel-2: #2a2e39;
  --border: #363a45;
  --text: #d1d4dc;
  --muted: #868993;
  --accent: #2962ff;
  --up: #26a69a;
  --down: #ef5350;
  --warn: #f5a623;
  --radius: 6px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body { display: flex; flex-direction: column; }

button, select, input, textarea { font: inherit; color: inherit; }

code { background: var(--panel-2); padding: 1px 4px; border-radius: 3px; }

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 8px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.symbol {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .3px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 2px 6px;
  margin-left: -6px;
  cursor: pointer;
}
.symbol:hover { background: var(--panel-2); border-color: var(--border); }
.price { font-size: 16px; font-variant-numeric: tabular-nums; }
.change { font-variant-numeric: tabular-nums; }
.change.up { color: var(--up); }
.change.down { color: var(--down); }

.live {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(38, 166, 154, .15);
  color: var(--up);
  font-variant-numeric: tabular-nums;
}

.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

.segmented { display: flex; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.segmented button {
  border: 0;
  background: transparent;
  padding: 4px 9px;
  cursor: pointer;
  color: var(--muted);
}
.segmented button:hover { color: var(--text); background: var(--panel-2); }
.segmented button.active { color: #fff; background: var(--accent); }

.field { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.field.stacked { flex-direction: column; align-items: stretch; gap: 4px; margin-bottom: 8px; }

select, input[type="text"], input[type="password"], input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
}
select:focus, input:focus, textarea:focus { outline: 1px solid var(--accent); border-color: var(--accent); }

.icon-btn {
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 4px;
  width: 30px;
  height: 28px;
  cursor: pointer;
}
.icon-btn:hover { background: var(--panel-2); }

.btn {
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 4px;
  padding: 6px 12px;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.15); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--down); }
.btn.block { width: 100%; }
.btn.small { padding: 2px 8px; font-size: 12px; }
a.btn { text-decoration: none; display: inline-block; }
.btn:disabled { opacity: .5; cursor: default; }

.banner {
  padding: 8px 12px;
  background: rgba(239, 83, 80, .12);
  border-bottom: 1px solid rgba(239, 83, 80, .4);
  color: #ffb3b1;
}
.banner a { color: #fff; }

/* ---------- main layout ---------- */

.layout { flex: 1; display: flex; min-height: 0; }

.chart-wrap { position: relative; flex: 1; min-width: 0; }
#chart { position: absolute; inset: 0; }

.legend {
  position: absolute;
  top: 6px;
  left: 10px;
  z-index: 3;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.legend b { color: var(--text); font-weight: 500; }

.loading {
  position: absolute;
  top: 10px;
  right: 80px;
  z-index: 3;
  background: var(--panel-2);
  padding: 3px 10px;
  border-radius: 10px;
  color: var(--muted);
}

.side {
  width: 320px;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-left: 1px solid var(--border);
  min-height: 0;
}

.tabs { display: flex; border-bottom: 1px solid var(--border); }
.tab {
  flex: 1;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 9px 4px;
  cursor: pointer;
  color: var(--muted);
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.panel { padding: 10px; overflow-y: auto; flex: 1; }
.add-select { width: 100%; margin-bottom: 10px; }

.item-list { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-direction: column; gap: 6px; }
.item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
}
.item.off { opacity: .55; }
.item-head { display: flex; align-items: center; gap: 8px; }
.item-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-sub { color: var(--muted); font-size: 12px; }
.item-actions { display: flex; gap: 2px; }
.item-actions button {
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 5px;
  border-radius: 3px;
}
.item-actions button:hover { color: var(--text); background: var(--panel-2); }
.item-params { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 8px; margin-top: 8px; }
.item-params label { display: flex; flex-direction: column; gap: 2px; color: var(--muted); font-size: 12px; }
.item-params input { width: 100%; }
.item .error-text { margin: 6px 0 0; }

input[type="color"] {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: none;
  cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 2px; }

.hint { color: var(--muted); font-size: 12px; }
.error-text { color: var(--down); white-space: pre-wrap; font-size: 12px; }
.ok-text { color: var(--up); }

.table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table th, .table td { text-align: left; padding: 5px 6px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 500; }
.table tbody tr.clickable { cursor: pointer; }
.table tbody tr.clickable:hover { background: var(--panel-2); }

.tag { font-weight: 600; }

.item.current { border-color: var(--accent); }
.item.clickable { cursor: pointer; }
.item.clickable:hover { background: var(--panel-2); }
.badge {
  font-size: 10px;
  padding: 0 5px;
  border-radius: 3px;
  background: var(--panel-2);
  color: var(--muted);
  vertical-align: 1px;
}

input.search { width: 100%; padding: 8px 10px; margin-bottom: 8px; }
.result-list { list-style: none; margin: 0; padding: 0; max-height: 55vh; overflow-y: auto; }
.result-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.result-list li:hover, .result-list li.active { background: var(--panel-2); }
.result-list .r-symbol { font-weight: 600; min-width: 120px; }
.result-list .r-name { flex: 1; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-list .hint { cursor: default; }

/* ---------- dialogs ---------- */

.dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 18px 18px;
  width: min(640px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
}
.dialog.wide { width: min(900px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgba(0, 0, 0, .55); }
.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--panel);
  padding: 14px 0 8px;
}
.dialog h2 { margin: 0; font-size: 16px; }
.dialog h3 { margin: 0 0 6px; font-size: 14px; }
.dialog-section { padding: 12px 0; border-top: 1px solid var(--border); }

.radio-row { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 6px 0; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 8px 0; }
.form-grid label { display: flex; flex-direction: column; gap: 3px; color: var(--muted); }
.check { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.status-line { margin: 6px 0; }
.db-limit { align-items: center; margin: 6px 0; }
.db-limit input { width: 80px; }
.meter { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; margin-top: 4px; }
.meter > div { height: 100%; background: var(--up); }
.meter.warn > div { background: var(--warn); }

textarea#script-code {
  width: 100%;
  height: 55vh;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  font: 12.5px/1.5 Consolas, "Cascadia Mono", Menlo, monospace;
  tab-size: 4;
  resize: vertical;
}

/* ---------- small screens ---------- */

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .chart-wrap { min-height: 60vh; }
  .side { width: auto; border-left: 0; border-top: 1px solid var(--border); max-height: 45vh; }
}