:root {
  --color-bg: #282c34;
  --color-fg: #dcdfe4;
  --color-heading: #6ce0ac;
  --color-input-bg: #2c313c;
  --color-input-border: #3e4451;
  --color-input-focus: #61afef;
  --color-button-hover-bg: #3e4451;
  --color-placeholder: #5c6370;
}

body {
  font-family: sans-serif;
  background-color: var(--color-bg);
  color: var(--color-fg);
  margin: 10px;
  padding: 0;
}

* {
  box-sizing: border-box;
}

h1,
h2 {
  color: var(--color-heading);
}

textarea,
input {
  background: var(--color-input-bg);
  color: var(--color-fg);
  border: 1px solid var(--color-input-border);
  border-radius: 6px;
  padding: 10px;
  font-size: 1rem;
  margin: 8px 0;
  width: 320px;
  box-sizing: border-box;
  outline: none;
  transition: border 0.2s;
}

textarea:focus,
input:focus {
  border: 1.5px solid var(--color-input-focus);
}

textarea {
  width: 100%;
  height: 120px;
}

button {
  background: var(--color-input-bg);
  color: var(--color-fg);
  border: 1px solid var(--color-input-border);
  border-radius: 6px;
  padding: 10px 18px;
  font-size: 1rem;
  margin: 8px 4px 8px 0;
  cursor: pointer;
  transition: background 0.2s, border 0.2s;
  vertical-align: middle;
}

button:hover {
  background: var(--color-button-hover-bg);
  border: 1.5px solid var(--color-input-focus);
}

pre#output {
  background: var(--color-input-bg);
  color: var(--color-fg);
  border: 1px solid var(--color-input-border);
  border-radius: 6px;
  padding: 14px;
  font-size: 1rem;
  width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

::placeholder {
  color: var(--color-placeholder);
  opacity: 1;
}

.banner {
  position: fixed;
  top: 35px;
  right: -60px;
  background: var(--color-placeholder);
  font-size: 0.8rem;
  font-weight: bold;
  transform: rotate(45deg);
  text-align: center;
  box-shadow: 0px 6px 5px -6px rgba(0,0,0,0.75);
}
.banner:before, .banner:after {
  position: absolute;
  content: '';
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  left: 0;
}
.banner:before {
  top: 3px;
}
.banner:after {
  bottom: 3px;
}
.banner a {
  color: var(--color-fg);
  text-decoration: none;
  padding: 8px 50px;
  display: inline-block;
}
.copy {
  transition: all 0.5s;
}
.copy.copied {
  background: var(--color-heading);
  color: var(--color-bg);
}
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-input-bg);
  color: var(--color-fg);
  text-align: center;
  padding: 10px;
  font-size: 0.8rem;
}