.playground-session-bar {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-top: 1px solid rgb(var(--border));
  background: rgb(var(--bg-soft) / .38);
}

.playground-session-bar[hidden],
.result-evaluator[hidden],
.result-evaluator-output[hidden] {
  display: none;
}

.playground-session-label {
  flex: 0 0 auto;
  color: rgb(var(--muted-2));
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.playground-session-vars {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-wrap: wrap;
  gap: 6px;
}

.playground-session-chip {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgb(var(--border));
  border-radius: 999px;
  background: rgb(var(--bg-elevated));
}

.playground-session-value {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 4px 5px 9px;
  color: rgb(var(--muted));
  font-size: .75rem;
}

.playground-session-value code {
  color: rgb(var(--accent-deep));
  font-size: .76rem;
}

.playground-session-remove {
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: rgb(var(--muted-2));
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.playground-session-remove:hover {
  background: rgb(var(--danger) / .08);
  color: rgb(var(--danger));
}

.playground-session-clear {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: rgb(var(--muted));
  font-size: .74rem;
  font-weight: 700;
  cursor: pointer;
}

.playground-session-clear:hover {
  color: rgb(var(--accent-deep));
}

.result-evaluator {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgb(var(--border));
}

.result-evaluator-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.result-evaluator-head strong {
  font-size: .82rem;
}

.result-evaluator-head span {
  color: rgb(var(--muted-2));
  font-size: .72rem;
}

.result-evaluator-form {
  display: flex;
  align-items: end;
  gap: 8px;
}

.result-evaluator-fields {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-wrap: wrap;
  gap: 8px;
}

.result-evaluator-field {
  display: grid;
  grid-template-columns: auto 92px;
  align-items: center;
  gap: 6px;
  color: rgb(var(--accent-deep));
  font-family: var(--mono);
  font-size: .78rem;
}

.result-evaluator-field span::after {
  content: " =";
  color: rgb(var(--muted-2));
}

.result-evaluator-field input {
  width: 92px;
  height: 34px;
  border: 1px solid rgb(var(--border));
  border-radius: 8px;
  outline: 0;
  padding: 0 8px;
  background: rgb(var(--bg-elevated));
  color: rgb(var(--fg));
  font-family: var(--mono);
  font-size: .78rem;
}

.result-evaluator-field input:focus {
  border-color: rgb(var(--accent));
  box-shadow: 0 0 0 3px rgb(var(--accent) / .10);
}

.result-evaluator-output {
  margin-top: 10px;
  border-left: 2px solid rgb(var(--accent));
  padding: 8px 10px;
  background: rgb(var(--bg-soft) / .45);
  color: rgb(var(--accent-deep));
  font-family: var(--mono);
  font-size: .88rem;
}

@media (max-width: 720px) {
  .playground-session-bar,
  .result-evaluator-head,
  .result-evaluator-form {
    align-items: stretch;
    flex-direction: column;
  }

  .playground-session-clear {
    align-self: flex-start;
  }

  .result-evaluator-head span {
    max-width: none;
  }

  .result-evaluator-run {
    align-self: flex-start;
  }
}