style.css

:root {
  accent-color: #9147ff;
  --accent-color: #9147ff;
  --main-bg: #0e0e10;
  --main-bg-darker: #070708;
  --main-text-color: #efeff1;
  --secondary-bg: #18181b;
  --secondary-color: #8e9399;
  --default-white: #fff;
  --default-transparent: transparent;
  --selection-bg: #772ce8;
  --selection-color: #d6d6d4;
}
::selection {
  color: var(--selection-color);
  background: var(--selection-bg);
  text-shadow: none;
}
* {
  outline: none;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  text-decoration: none;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Roboto", sans-serif;
  font-size: 15px;
  line-height: 1.4;
  background: var(--main-bg);
  color: var(--main-text-color);
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: var(--default-transparent);
  -webkit-app-region: no-drag;
}
.settings {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 16px;
}
.log {
  background: #000;
  width: 100%;
  padding: 8px 4px;
}
.log div {
  display: flex;
  justify-content: space-between;
  background: var(--secondary-bg);
  padding: 4px 8px;
  margin-top: 4px;
  border-radius: 4px;
  align-items: baseline;
  word-break: break-word;
}
.log div span {
  font-size: 11px;
  white-space: nowrap;
}

.sendForm {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background: var(--main-bg-darker);
  padding: 6px 8px;
}
input {
  flex: auto;
  background: var(--main-bg);
  color: var(--default-white);
  padding: 10px 8px;
  margin-right: 8px;
  border: 2px solid var(--secondary-bg);
  border-radius: 6px;
}
input.err {
  border: 2px var(--accent-color) solid;
}
button {
  background-color: var(--accent-color);
  color: var(--default-white);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 0;
  cursor: pointer;
}
button:hover {
  background-color: var(--selection-bg);
}