.backtest-main-link {
  align-self: end;
  min-height: 48px;
  background: rgba(255,255,255,.55);
  color: var(--ink);
  border: 1px solid var(--line);
  font-size: .82rem;
  font-weight: 700;
}
.backtest-main-link:hover {
  background: var(--lime);
  border-color: var(--lime-dark);
}

.bt-form {
  grid-template-columns: minmax(165px,1.25fr) repeat(2,minmax(135px,.9fr)) repeat(4,minmax(110px,.75fr));
  gap: 10px;
}
.bt-field { min-width: 0; gap: 6px; }
.bt-field span { font-size: .68rem; line-height: 1.25; }
.bt-field > input,
.bt-ticker-entry input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  height: 42px;
  padding: 0 10px;
  font-size: .82rem;
}
.bt-ticker-entry {
  min-width: 0;
  grid-template-columns: minmax(0,1fr) auto;
}
.bt-load { padding: 0 12px; }
.bt-form button,
.bt-load { height: 42px; font-size: .8rem; }
.bt-run { grid-column: 1 / -1; }

@media (max-width:1100px) {
  .bt-form { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width:800px) {
  .backtest-main-link { width: 100%; }
}
@media (max-width:720px) {
  .bt-form { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width:520px) {
  .bt-form { grid-template-columns: 1fr; }
  .bt-run { grid-column: auto; }
}