:root {
  --bg: #ffffff;
  --fg: #1e293b;
  --accent: #3b82f6;
  --border: #e2e8f0;
  --sidebar-w: 220px;
  --code-bg: #f8fafc;
  --ok-color: #3274ed;
  --ok-shade: #285cbd;
  --ok-highlight: #eff6ff;
}

* { box-sizing: border-box; margin: 0; }

body {
  font-family: system-ui, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}

a:link { color : var(--ok-color); }
a:visited { color : #626262; }
a:hover { color : var(--ok-color);; }
a:active { color : red; }

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  overflow-y: auto;
  padding: 10px 1rem;
  border-right: 1px solid var(--border);
  font-size: 0.9rem;
}

.sidebar h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  margin-bottom: 0.5rem;
}

.sidebar a {
  display: block;
  padding: 0.3em 0.5em;
  color: var(--fg);
  text-decoration: none;
  border-radius: 4px;
}

.sidebar a:hover { background: #f1f5f9; }

.sidebar a.active {
  background: var(--ok-highlight);
  color: var(--ok-color);
  font-weight: 600;
}

.content {
  margin-left: var(--sidebar-w);
  padding: 2rem 3rem;
  max-width: 760px;
}

h1 { font-size: 2rem; margin-bottom: 0.5rem; }
h2 {
  font-size: 1.4rem;
  margin-top: 10px;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
h3 { font-size: 1.1rem; margin-top: 1.5rem; }

p { margin: 0.75rem 0; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
  margin: 1rem 0;
}

code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

pre code {
  background: none;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.5em 0.75em;
  border: 1px solid var(--border);
}

th { background: #f1f5f9; font-weight: 600; }

.warning {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.tip {
  background: #f1f5f9;
  border-left: 4px solid var(--ok-color);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin: 1rem 0;
  font-size: 0.9rem;
}

[id] { scroll-margin-top: 1.5rem; }

@media (max-width: 768px) {
  .sidebar { display: none; }
  .content { margin-left: 0; padding: 1.5rem; }
}

.logo-left {
 width: 75px;
 height: 75px;
 margin-left: 50px;
}

#home:hover { background: initial; }

.logo {
 width: 200px;
 height: 200px;
 margin-bottom: 1.5rem;
 background: url('/images/openkiosk.svg') left/contain no-repeat;
}

.bold { font-weight: bold; }

.content img
{
  width: 664px;
  height: auto;
}

h2.active,
:target {
  background-color: var(--ok-highlight);
  padding: 0.25em 0.5em;
  border-radius: 3px;
}

.sidebar .back-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #333;
  text-decoration: none;
  padding: 10px;
}

.sidebar .back-entry::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-right: 10px solid #333;
}

.sidebar .back-entry:hover {
  color: #0056b3;
}

.sidebar .back-entry:hover::before {
  border-right-color: #0056b3;
}