/* Platform page — signal feed mock, backtest report, infra stats, API code panel */

/* Feature bullets (page-local equivalent of home's feature list) */
.spec-list {
  display: grid;
  gap: 1.05rem;
  margin-top: 1.8rem;
}

.spec-list li {
  list-style: none;
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  color: var(--muted);
  font-size: 0.95rem;
}

.spec-list li::before {
  content: "✓";
  font: 600 0.8rem var(--mono);
  color: var(--green);
}

.spec-list li b {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- Shared panel chrome (signal feed / report / code) ---------- */
.sigfeed,
.report,
.code-panel {
  background: linear-gradient(180deg, #101a24, #0c141d);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-l);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
}

.sigfeed__head,
.report__head,
.code-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 20, 28, 0.85);
}

.sigfeed__title,
.report__title,
.code-panel__head {
  font: 500 0.64rem var(--mono);
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ---------- Signal feed rows ---------- */
.sigfeed__head .badge {
  padding: 0.28rem 0.7rem;
  font-size: 0.6rem;
}

.sig {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.4rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  transition: background 0.2s;
}

.sig:hover { background: rgba(51, 226, 154, 0.035); }

.sig .metric-delta { white-space: nowrap; }

.sig__body {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.sig__inst,
.sig__note {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sig__inst {
  font: 600 0.8rem var(--mono);
  color: var(--paper);
}

.sig__note {
  font: 400 0.68rem var(--mono);
  color: var(--muted);
}

.sig__conf {
  font: 600 0.7rem var(--mono);
  letter-spacing: 0.08em;
}

.sig__time {
  font: 400 0.66rem var(--mono);
  color: var(--faint);
}

.sigfeed__foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.4rem;
  font: 500 0.62rem var(--mono);
  letter-spacing: 0.16em;
  color: var(--faint);
}

/* ---------- Backtest report mock ---------- */
.report__curve-wrap {
  padding: 1.2rem 1.4rem 0.9rem;
  display: grid;
  gap: 0.7rem;
}

.report__curve-label {
  font: 500 0.6rem var(--mono);
  letter-spacing: 0.2em;
  color: var(--faint);
}

.report__curve {
  width: 100%;
  height: 60px;
}

.report__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.report__cell {
  padding: 0.95rem 1.4rem;
  display: grid;
  gap: 0.2rem;
  border-bottom: 1px solid var(--line);
}

.report__cell:nth-child(3n + 2),
.report__cell:nth-child(3n) {
  border-left: 1px solid var(--line);
}

.report__cell:nth-child(n + 4) { border-bottom: 0; }

.report__cell dt {
  font: 500 0.6rem var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}

.report__cell dd {
  font: 600 1rem var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

/* ---------- Infra stat (inside cards) ---------- */
.infra-stat {
  display: block;
  font: 500 1.15rem var(--mono);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--green);
  margin-bottom: 1.1rem;
}

/* ---------- API code panel ---------- */
.code {
  margin: 0;
  padding: 1.4rem 1.5rem;
  font: 400 0.78rem/1.75 var(--mono);
  color: var(--muted);
  overflow-x: auto;
  font-variant-numeric: tabular-nums;
}

.code .ck { color: var(--green); }
.code .cs { color: var(--paper); }
.code .cn { color: var(--amber); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .sig {
    grid-template-columns: auto 1fr auto;
  }

  .sig__time {
    display: none;
  }

  .report__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .report__cell:nth-child(odd) { border-left: 0; }
  .report__cell:nth-child(even) { border-left: 1px solid var(--line); }
  .report__cell:nth-child(4) { border-bottom: 1px solid var(--line); }
}