@font-face {
  font-family: 'Roboto';
  src: url('Roboto-Regular.ttf') format('truetype');
  font-display: swap;
}

:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --border: #e6e6e6;
  --accent: #4d9aa1;
  --hover-bg: #f3f3f3;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Avenir Next', 'Montserrat', 'Helvetica Neue', 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.dark-theme {
  --bg: #0f0f10;
  --text: #e9e9ea;
  --muted: #a9a9ad;
  --border: #2a2a2d;
  --accent: #4d9aa1;
  --hover-bg: #1b1b1e;
}

.navbar.navbar-default {
  background: var(--bg);
  border: 0;
  border-bottom: 1px solid var(--border);
}

#mainNav .container {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

#mainNav .container > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

#mainNav a,
#mainNav a[style],
#mainNav a[style*='color:#000'] {
  color: var(--text) !important;
}

#mainNav a:hover {
  color: var(--accent) !important;
}

#mainNav .container > div:last-child > a {
  font-size: 0.9em;
  display: inline-flex;
  align-items: center;
  height: 24px;
  line-height: 24px;
}

#mainNav img[src*='gradient-line'] {
  display: none;
}

.container[style*='max-width:800px'],
#markdown.container {
  margin-top: 30px !important;
  max-width: 800px !important;
  padding: 0 18px;
}

h1,
h2,
h3,
h4,
h5 {
  color: var(--text);
  border-bottom: 1px solid var(--border);
  margin-top: 1.9rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.35rem;
  padding-top: 0;
  line-height: 1.35;
}

h1 { font-size: 1.95rem!important; }
h2 { font-size: 1.5rem!important; }
h3 { font-size: 1.24rem!important; }
h4 { font-size: 1.0rem!important; }
h5 { font-size: 0.84rem!important; }
h6 { font-size: 0.60rem!important; }

h1 a,
h2 a,
h3 a,
h4 a,
h5 a {
  color: black !important;
  text-decoration: none !important;
}

p,
li {
  color: var(--text);
}

a,
a[style],
a[style*='color:black'],
a[style*='color:gray'] {
  color: var(--accent) !important;
  text-decoration: none !important;
}

a:hover {
  text-decoration: none !important;
}

pre {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 12px 14px;
  overflow-x: auto;
}

.dark-theme .hljs {
  background: #1b1b1e !important;
  color: #e9e9ea !important;
}

blockquote {
  background: transparent;
  border-left: 6px solid var(--border);
  margin: 1.3em 0;
  padding: 0.3em 0 0.3em 0.9em;
  color: var(--muted);
}

.postThumb {
  display: block;
  color: var(--text) !important;
  border: 0;
  border-radius: 0;
  background: var(--bg);
  padding: 7px 10px;
  margin: 0;
  transition: background-color 0.15s ease;
}

.postThumb a {
  color: inherit !important;
}

.postThumb h2,
.postThumb h3,
.postThumb h4,
.postThumb h5 {
  margin-top: 0.45rem;
  margin-bottom: 0.3rem;
  padding-bottom: 0.2rem;
  border-bottom: 0;
  line-height: 1.25;
}

.postThumb p,
.postThumb li {
  margin: 0.25rem 0;
  line-height: 1.45;
}

.postThumb:hover {
  background: var(--hover-bg);
}

.container[style*='max-width:800px'] h1 a,
.container[style*='max-width:800px'] h2 a,
.container[style*='max-width:800px'] h3 a,
.container[style*='max-width:800px'] h4 a,
.container[style*='max-width:800px'] h5 a,
#markdown h1 a,
#markdown h2 a,
#markdown h3 a,
#markdown h4 a,
#markdown h5 a {
  color: var(--text) !important;
}

footer,
footer .container {
  color: var(--muted);
}

.onoffswitch {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  user-select: none;
  margin: 0 !important;
  vertical-align: middle;
  align-self: center;
  position: static;
}

.onoffswitch-checkbox {
  display: none;
}

.onoffswitch-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background-color: transparent;
  margin-bottom: 0;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.onoffswitch-label:before {
  content: '☀';
  display: block;
  font-size: 12px;
  line-height: 1;
  color: var(--text);
  transform: none;
}

.onoffswitch-checkbox:checked + .onoffswitch-label:before {
  content: '☾';
}

.onoffswitch-label:hover {
  background: var(--hover-bg);
}

@media (max-width: 840px) {
  #mainNav .container {
    display: block;
    padding-top: 4px;
  }

  #mainNav .container > div {
    float: none !important;
    display: block;
    text-align: center;
  }

  .container[style*='max-width:800px'],
  #markdown.container {
    margin-top: 96px !important;
    padding: 0 14px;
  }
}