* {
  box-sizing: border-box;
}

:root {
  --primary-color: #1890ff;
  --primary-text-color: rgba(0, 0, 0, 0.85);
  --secondary-color: #fafafa;
  --border-color: #cdcdcd;
  --bg-color: #fff;
  --code-property-color: #00f;
  --code-value-color: #a31515;
  --thumb-color: rgb(168, 168, 182);
  --thumb-color-hover: #e1e9ec;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui;
  color: var(--primary-text-color);
  background-color: var(--bg-color);
  direction: ltr;
}

body.dark {
  --primary-text-color: rgba(255, 255, 255, 0.85);
  --bg-color: #1f1f1f;
  --secondary-color: #2a2a2a;
  --code-property-color: #9cdcfe;
  --code-value-color: #d69d85;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background-color: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: var(--thumb-color);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--thumb-hover-color);
}

.container {
  width: 100%;
  max-width: 800px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-color);
  place-items: center;
  overflow-y: auto;
  align-items: stretch;
}

.container .list {
  width: 100%;
  height: fit-content;
  display: flex;
  flex-direction: column;
  row-gap: 16px;
  padding: 25px;
  box-sizing: border-box;
  border-right: 1px solid var(--border-color);
}

.container .list .list-item {
  width: 100%;
  padding: 15px 10px;
  cursor: pointer;
  transition: 1s ease;
  border: 1px solid var(--border-color);
  background-color: var(--secondary-color);
}

.container .list .list-item.active,
.container .list .list-item:hover {
  border: 1px solid var(--primary-color);
}

.container .result {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr 56px;
}

.container .result .text {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

.container .result p {
  margin: auto 0;
  text-align: center;
  overflow-y: auto;
  text-align: center;
  padding: 25px;
  font-family: system-ui;
  font-size: 22px;
}

.container .controls .direction {
  width: 100%;
  border: 0;
  font-size: 16px;
  text-align: center;
  padding: 15px;
  cursor: pointer;
  line-height: 1.5715;
  background-color: transparent;
  box-sizing: border-box;
  transition: 0.5s ease;
}

.container .controls .direction:hover {
  color: #1890ff;
}

@media screen and (max-width: 450px) {
  .container {
    grid-template-columns: 1fr;
  }
  .container .list {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
}