/* Binance Micro-Trader panel — dark theme, no external fonts, no inline styles (CSP default-src 'self') */

:root {
  --bg: #0f1419;
  --bg2: #161d25;
  --card: #1b242e;
  --card2: #202b37;
  --line: #2b3844;
  --text: #e6edf3;
  --muted: #8b9bab;
  --accent: #4da3ff;
  --ok: #2ecc71;
  --warn: #f5b942;
  --danger: #ff5c5c;
  --info: #6fb7ff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: 0.92em; }
pre.code {
  background: #0b1015;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}
code.wrap { word-break: break-all; }
h1 { font-size: 1.4rem; margin: 0 0 .6rem; }
h2 { font-size: 1.05rem; margin: 0 0 .7rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
p { margin: .5rem 0; }
.muted { color: var(--muted); }
.small { font-size: .85em; }
.danger { color: var(--danger); }
.nowrap { white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.lvl-ok { color: var(--ok); }
.lvl-warn { color: var(--warn); }
.lvl-danger { color: var(--danger); }
.lvl-muted { color: var(--muted); }
.lvl-info { color: var(--info); }

/* ---- header */
.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
}
.brand { font-weight: 600; font-size: 1.05rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.logo { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a, .nav .linkbtn {
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  background: transparent;
  border: 0;
  font: inherit;
  cursor: pointer;
}
.nav a:hover, .nav .linkbtn:hover { background: var(--card2); text-decoration: none; }
.nav a.active { background: var(--card2); color: var(--accent); }

/* ---- page */
.page { max-width: 1400px; margin: 0 auto; padding: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
  min-width: 0;
}
.card.narrow { max-width: 620px; margin: 30px auto; }
.foot {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 14px 30px;
  color: var(--muted);
  font-size: .8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---- flashes */
.flash {
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0 0 12px;
  border: 1px solid var(--line);
  background: var(--card2);
  word-break: break-word;
}
.flash ul { margin: 6px 0 0 18px; padding: 0; }
.flash-ok { border-color: var(--ok); background: rgba(46, 204, 113, .12); }
.flash-warn { border-color: var(--warn); background: rgba(245, 185, 66, .12); }
.flash-danger { border-color: var(--danger); background: rgba(255, 92, 92, .12); }
.flash-info { border-color: var(--info); background: rgba(111, 183, 255, .12); }

/* ---- pills */
.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.5;
  white-space: nowrap;
  border: 1px solid transparent;
  vertical-align: middle;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pill-ok { background: rgba(46, 204, 113, .16); color: var(--ok); border-color: rgba(46, 204, 113, .4); }
.pill-warn { background: rgba(245, 185, 66, .16); color: var(--warn); border-color: rgba(245, 185, 66, .4); }
.pill-danger { background: rgba(255, 92, 92, .16); color: var(--danger); border-color: rgba(255, 92, 92, .45); }
.pill-info { background: rgba(111, 183, 255, .16); color: var(--info); border-color: rgba(111, 183, 255, .4); }
.pill-muted { background: rgba(139, 155, 171, .14); color: var(--muted); border-color: rgba(139, 155, 171, .35); }

/* ---- buttons & forms */
.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--card2);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}
.btn:hover { filter: brightness(1.15); text-decoration: none; }
.btn:disabled { opacity: .4; cursor: not-allowed; filter: none; }
.btn-primary { background: #1f4f85; border-color: #2c6ab3; }
.btn-ok { background: #1d5c3a; border-color: #2ecc71; }
.btn-warn { background: #6a4c12; border-color: var(--warn); }
.btn-danger { background: #6b1f1f; border-color: var(--danger); }
form.inline { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.actions-row { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.actions-row .panic { margin-left: auto; }
.actions { margin-top: 12px; }
label { display: block; margin: 0 0 10px; font-size: .88rem; color: var(--muted); }
label .help { display: block; font-size: .78rem; margin-bottom: 2px; }
label input[type="text"], label input[type="password"], label input[type="number"], label select, label textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  background: #0b1015;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
label textarea { font-family: var(--mono); resize: vertical; }
label input:focus, label select:focus, label textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
label.check { display: flex; align-items: flex-start; gap: 8px; color: var(--text); font-size: .9rem; }
label.check input { margin-top: 3px; }
label.check.small { font-size: .82rem; margin: 0; align-items: center; }
label.check.tall { padding-top: 22px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px 2px; margin: 0 0 14px; min-width: 0; }
legend { color: var(--accent); font-weight: 600; padding: 0 6px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 14px; }
section.grid2, section.grid3 { gap: 14px; margin-bottom: 14px; }
section.grid2 > .card, section.grid3 > .card { margin-bottom: 0; }

/* ---- KPI tiles */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  min-width: 0;
}
.kpi-label { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; }
.kpi-value { font-size: 1.15rem; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; word-break: break-word; }

/* ---- key/value lists */
dl.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 12px; margin: 0; }
dl.kv dt { color: var(--muted); font-size: .85rem; }
dl.kv dd { margin: 0; word-break: break-word; font-variant-numeric: tabular-nums; }
.empty-note { margin: 6px 0 0; }

/* ---- sparkline */
.spark-wrap { width: 100%; height: 150px; }
.spark { width: 100%; height: 100%; display: block; }
.spark-line { fill: none; stroke: var(--accent); stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.spark-area { fill: rgba(77, 163, 255, .15); stroke: none; }
.spark-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .85rem; margin-top: 6px; align-items: center; }

/* ---- tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
table.tbl { width: 100%; border-collapse: collapse; font-size: .86rem; min-width: 640px; }
table.tbl th, table.tbl td { padding: 7px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.tbl th { color: var(--muted); font-weight: 600; font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
table.tbl tbody tr:hover { background: var(--card2); }
table.tbl tr.empty td { color: var(--muted); text-align: center; padding: 16px; }
table.tbl.compact { min-width: 360px; }
table.tbl.logs td.logmsg { font-family: var(--mono); font-size: .8rem; word-break: break-word; min-width: 260px; }
table.tbl td.tags { font-size: .8rem; }
.bar-wrap { display: inline-block; width: 120px; vertical-align: middle; }
svg.bar { width: 100%; height: 10px; display: block; }
svg.bar rect { fill: var(--accent); }
.bar-text { margin-left: 6px; }
.refresh-info.stale { color: var(--warn); }
.refresh-info.error { color: var(--danger); }

/* ---- responsive */
@media (max-width: 1000px) {
  .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  section.grid3 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 13px; }
  .page { padding: 10px; }
  .card { padding: 12px; border-radius: 8px; }
  .grid2, .grid3, section.grid2 { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .kpi-value { font-size: 1rem; }
  .actions-row .panic { margin-left: 0; }
  .actions-row form.inline { flex: 1 1 auto; }
  .actions-row .btn { width: 100%; }
  .actions-row form.panic .btn { width: auto; flex: 1; }
  dl.kv { grid-template-columns: 1fr; gap: 0; }
  dl.kv dt { margin-top: 6px; }
  .topbar { position: static; }
  .foot { flex-direction: column; }
  label.check.tall { padding-top: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---- engines (docs/DESIGN-ENGINES.md §10)
   Visibility is a CLASS, never an inline style attribute: the CSP forbids inline styles and
   assets/panel.js toggles .is-hidden on the Settings engine selector's change event. */
.is-hidden { display: none; }
.engine-group { margin: 0 0 4px; }
.engine-group > .flash { margin-top: 4px; }
.engine-card h2 { gap: .4rem; }
.engine-kv { align-items: start; gap: 10px 14px; }
.engine-kv > dl, .engine-kv > div { min-width: 0; }
.inline-group { display: inline-flex; align-items: center; gap: 8px; }
.btn-mini { padding: 2px 8px; font-size: .78rem; line-height: 1.5; }
table.tbl td form.inline { margin: 0; }

/* ---- portfolio & scanner (docs/DESIGN-PORTFOLIO.md §7)
   Row colours, sleeve legend swatches and the per-sleeve sparkline colours all live here:
   the CSP forbids inline style attributes, so nothing in the panel ever emits one. */
.portfolio-card .pf-best { margin: 10px 0 2px; }
.pill-wide { white-space: normal; max-width: 100%; overflow: visible; text-overflow: clip; line-height: 1.4; padding: 4px 10px; }
.pf-kv { margin-top: 10px; }
table.tbl tr.row-ok > td { background: rgba(46, 204, 113, .07); }
table.tbl tr.row-danger > td { background: rgba(255, 92, 92, .07); }
table.tbl tr.row-muted > td { color: var(--muted); }
table.tbl tr.row-ok:hover > td, table.tbl tr.row-danger:hover > td, table.tbl tr.row-muted:hover > td { background: var(--card2); }
.sleeve-actions { margin: 4px 0 2px; gap: 8px 16px; }
.sleeve-actions .inline-group { gap: 6px; }
.sleeve-name { color: var(--muted); text-transform: uppercase; font-size: .78rem; }

/* settings: the sleeve fields follow the portfolio_enabled checkbox (class toggle in panel.js) */
.portfolio-sleeves { margin: 4px 0 0; }
.sleeve-group { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px 2px; margin: 0 0 10px; background: var(--card2); }
.sleeve-group h3 { margin: 2px 0 6px; text-transform: uppercase; font-size: .82rem; letter-spacing: .05em; color: var(--accent); }
.inline-errors { margin: 0 0 8px; }
.inline-errors ul { margin: 0 0 0 18px; }

/* per-row "Assign to…" control */
form.inline.assign { gap: 4px; }
form.inline.assign .assign-select {
  display: inline-block;
  width: auto;
  margin: 0;
  padding: 2px 6px;
  background: #0b1015;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  font-size: .78rem;
}

/* overlaid sleeve sparkline: one class per sleeve, plus a neutral fallback */
.spark-multi .spark-series { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke: var(--muted); }
.spark-multi .spark-signal { stroke: var(--accent); }
.spark-multi .spark-grid { stroke: var(--ok); }
.spark-multi .spark-pmm { stroke: var(--warn); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-swatch { display: inline-block; width: 14px; height: 3px; border-radius: 2px; background: var(--muted); }
.legend-swatch.swatch-signal { background: var(--accent); }
.legend-swatch.swatch-grid { background: var(--ok); }
.legend-swatch.swatch-pmm { background: var(--warn); }
.legend-value { font-variant-numeric: tabular-nums; }

/* ---- learning / Insights (docs/DESIGN-LEARNING.md §6, §7)
   Everything here is a class: the CSP forbids inline styles, and the feature cards open and
   close with plain <details>, so no script is involved either. */
.learn-card .learn-line { margin: 2px 0 6px; }
.learn-line { margin: 10px 0 2px; }
.insight-card { padding: 0; }
.insight-card > summary {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  list-style: none;
}
.insight-card > summary::-webkit-details-marker { display: none; }
.insight-card > summary::before { content: "▸"; color: var(--muted); margin-right: 2px; }
.insight-card[open] > summary::before { content: "▾"; }
.insight-card > summary:hover { background: var(--card2); border-radius: 10px; }
.insight-card[open] > summary { border-bottom: 1px solid var(--line); border-radius: 10px 10px 0 0; }
.insight-title { font-size: 1.05rem; font-weight: 600; }
.insight-card > p, .insight-card > .table-wrap { margin-left: 16px; margin-right: 16px; }
.insight-card > .table-wrap { max-width: calc(100% - 32px); }
.insight-note { padding-bottom: 12px; }
.bnb-warning { margin: 10px 0 6px; }
.bnb-actions { margin-top: 8px; gap: 6px 8px; }

/* Diagnostics: yes/no markers. Colour is not the only signal — the word carries
   the meaning on its own, so this stays readable without colour perception. */
.ok-tag, .bad-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; padding: 1px 7px; border-radius: 4px; border: 1px solid;
}
.ok-tag  { color: var(--ok, #2c7a57);  border-color: var(--ok, #2c7a57);  background: rgba(44,122,87,.10); }
.bad-tag { color: var(--bad, #b03434); border-color: var(--bad, #b03434); background: rgba(176,52,52,.10); }