html {
  --regular: 16px;
  --bg: #f0f0f0;
  --line: #e0e0e0;
  --muted: #808080;
  --primary: orangered;
  --like: green;
  --dislike: darkred;
  --black: #000;
  --white: #fff;
}

@media (prefers-color-scheme: dark) {
  html {
    --bg: #202020;
    --line: #404040;
    --muted: #808080;
    --primary: orangered;
    --like: green;
    --dislike: darkred;
    --black: #fff;
    --white: #000;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0 none;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--black);
  font-size: var(--regular);
  font-family: serif;
  line-height: 20px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

input, textarea, button, select {
  font-family: serif;
  font-size: var(--regular);
  line-height: 20px;
}

.container {
  width: min(720px, 90%);
  margin: 0 auto;
}

.site-header {
  padding-top: 15px;
  padding-bottom: 25px;
}

.site-header h1 {
  font-size: 25px;
  line-height: 30px;
  margin-top: 15px;
  overflow: hidden;
  white-space: nowrap;
}

.site-header a {
  color: var(--black);
  text-decoration: none;
}

.site-header a.active {
  background-color: var(--black);
  color: var(--white);
}

.site-header nav {
  display: flex;
  gap: 1rem;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
}

.auth-user {
  font-size: 0.9rem;
  color: var(--black);
}

.inline-form {
  display: inline;
}

.inline-form button {
  padding: 0.25rem 0.6rem;
  font-size: 0.85rem;
}

.card {
  border-bottom: 2px solid var(--black);
  padding: 10px 0;
  margin-bottom: 10px;
}

.card:last-child {
  border-bottom: 0 none;
}

.card h2 a {
  color: var(--black);
  text-decoration: none;
}

.card h2, .card .big {
  font-size: 20px;
  line-height: 25px;
}

.card h2 a.category {
  background: var(--black);
  color: var(--white);
  text-transform: uppercase;
}

.card .big, .card .small {
  float: right;
}

.card .big {
  margin-left: 5px;
  text-align: right;
}

.card .small, .meta {
  color: var(--muted);
  margin-top: 10px;
}

.categories {
  margin-bottom: 1rem;
}

.form-grid {
  overflow: hidden;
}

input,
textarea,
select {
  width: 100%;
  padding: 5px 10px;
  background-color: var(--white);
}

button {
  color: var(--white);
  background: var(--primary);
  padding: 5px 0;
  cursor: pointer;
}

label {
  display: block;
}

.form-grid label, .form-grid input, .form-grid textarea, .form-grid select {
  margin-top: 10px;
}

.form-grid button[type="submit"] {
  margin-top: 10px;
}

button[type="submit"] {
  float: right;
  padding: 5px 10px;
}

.votes form {
  overflow: hidden;
}

.votes button {
  padding-top: 10px;
  margin-left: 10px;
}

.vote-btn {
  background: var(--white);
  color: var(--black);
}

.vote-btn.active-like {
  color: #fff;
  background: var(--like);
}

.vote-btn.active-like svg path {
  stroke: var(--like);
}

.vote-btn.active-dislike svg path {
  stroke: var(--dislike);
}

.vote-btn.active-dislike {
  border-color: var(--dislike);
  color: #fff;
  background: var(--dislike);
}

#comments {
  margin: 20px 0;
}

.comment-list, .children {
  padding-left: 2px;
  border-left: 2px solid var(--black);
}

.children .meta, .children .markdown-body, .children details {
  padding-left: 13px;
}

.markdown-body h4 {
  font-size: var(--regular);
  line-height: 20px;
}

.markdown-body h4, .markdown-body p {
  margin: 10px 0;
}

.user-description {
  border-left: 3px solid var(--line);
  padding-left: 0.8rem;
}

.hint {
  margin: 0;
  color: var(--muted);
}

.error {
  margin: 0 0 0.8rem;
  color: #b33a3a;
  font-weight: 600;
}