.order-book-machine {
  margin-block: 1.75rem 2.5rem;
  padding: 1rem;
  border: 1px solid var(--table-border-color);
  border-radius: 0.45rem;
  background: var(--quote-bg);
}

.obm__toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.obm__events {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.obm__controls {
  display: flex;
  flex: 0 0 auto;
  gap: 0.35rem;
}

.order-book-machine button {
  padding: 0.45rem 0.62rem;
  border: 1px solid var(--table-border-color);
  border-radius: 0.28rem;
  color: var(--fg);
  background: var(--bg);
  font: inherit;
  font-size: 0.74rem;
  line-height: 1.2;
  cursor: pointer;
}

.order-book-machine button:hover {
  border-color: var(--links);
}

.order-book-machine button:focus-visible {
  outline: 0.18rem solid var(--links);
  outline-offset: 0.12rem;
}

.obm__events button[aria-pressed="true"] {
  border-color: var(--links);
  color: var(--bg);
  background: var(--links);
}

.obm__stage {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) minmax(18rem, 1.5fr) minmax(11rem, 0.9fr);
  gap: 0.75rem;
  margin-block: 0.9rem;
}

.obm__panel {
  min-width: 0;
  padding: 0.8rem;
  border: 1px solid var(--table-border-color);
  border-radius: 0.35rem;
  background: var(--bg);
}

.obm__panel h3 {
  margin: 0 0 0.7rem;
  color: var(--icons);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.obm__command {
  display: grid;
  gap: 0.55rem;
}

.obm__command-type {
  width: max-content;
  padding: 0.22rem 0.42rem;
  border: 1px solid var(--links);
  color: var(--links);
  font-size: 0.67rem;
  font-weight: 700;
}

.obm__command code {
  overflow-wrap: anywhere;
  color: var(--fg);
  background: transparent;
  font-size: 0.88rem;
}

.obm__command p,
.obm__result p {
  margin: 0;
  color: var(--icons);
  font-size: 0.76rem;
  line-height: 1.45;
}

.obm__book {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.obm__side {
  min-width: 0;
}

.obm__side-title {
  display: flex;
  justify-content: space-between;
  gap: 0.4rem;
  margin-block-end: 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

.obm__side-title small {
  color: var(--icons);
  font-size: 0.62rem;
  font-weight: 400;
  text-transform: none;
}

.obm__levels {
  display: grid;
  gap: 0.35rem;
}

.obm__empty {
  display: grid;
  min-height: 6.6rem;
  place-items: center;
  border: 1px dashed var(--table-border-color);
  color: var(--icons);
  font-size: 0.72rem;
}

.obm__level {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.42rem;
  align-items: center;
  min-height: 3rem;
  padding: 0.35rem;
  border: 1px solid var(--table-border-color);
  background: var(--quote-bg);
}

.obm__level.is-best {
  border-color: var(--links);
}

.obm__price {
  text-align: center;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

.obm__price small {
  display: block;
  color: var(--icons);
  font-size: 0.58rem;
  font-weight: 400;
}

.obm__queue {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.obm__order {
  padding: 0.25rem 0.34rem;
  border-inline-start: 0.18rem solid var(--links);
  background: var(--bg);
  font-size: 0.65rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.obm__order.is-active {
  color: var(--bg);
  background: var(--links);
}

.obm__result {
  display: grid;
  gap: 0.6rem;
}

.obm__trades {
  display: grid;
  gap: 0.35rem;
}

.obm__trade {
  padding: 0.42rem 0.5rem;
  border-inline-start: 0.2rem solid var(--links);
  background: var(--quote-bg);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.obm__readout,
.obm__invariants {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0;
  padding-block: 0.62rem;
  border-block-start: 1px solid var(--table-border-color);
  color: var(--icons);
  font-size: 0.7rem;
}

.obm__readout span,
.obm__invariants span {
  padding-inline: 0.7rem;
  border-inline-end: 1px solid var(--table-border-color);
}

.obm__readout span:first-child,
.obm__invariants span:first-child {
  padding-inline-start: 0;
}

.obm__readout strong {
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

.obm__invariants {
  padding-block-end: 0;
}

.obm__invariants span::before {
  content: "✓";
  margin-inline-end: 0.32rem;
  color: var(--links);
  font-weight: 800;
}

@media (max-width: 820px) {
  .obm__toolbar {
    flex-direction: column;
  }

  .obm__stage {
    grid-template-columns: 1fr 1.45fr;
  }

  .obm__result-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .order-book-machine {
    padding: 0.7rem;
  }

  .obm__events button {
    flex: 1 1 28%;
  }

  .obm__controls {
    width: 100%;
  }

  .obm__controls button {
    flex: 1;
  }

  .obm__stage {
    grid-template-columns: 1fr;
  }

  .obm__result-panel {
    grid-column: auto;
  }

  .obm__book {
    gap: 0.42rem;
  }

  .obm__level {
    grid-template-columns: 2.6rem 1fr;
    padding-inline: 0.25rem;
  }

  .obm__readout span,
  .obm__invariants span {
    flex: 1 1 42%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .order-book-machine * {
    scroll-behavior: auto;
  }
}