:root {
  --green: #94ba3b;
  --green-dark: #7da32f;
  --dark: #3c3c3b;
  --bg: #fafafa;
  --code-bg: #f4f4f4;
  --border: #e0e0e0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Segoe UI', Roboto, 'Liberation Sans', Helvetica, Arial, sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.6;
}

/* ── Header ── */
header {
  background: var(--green);
  color: white;
  padding: 32px 0;
}
header .wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
header img { width: 48px; height: 48px; }
header h1 { font-size: 28px; font-weight: 700; }
header p  { font-size: 17px; opacity: 0.92; margin-top: 2px; }
header .title-row { display: flex; align-items: center; gap: 12px; }
header .version { font-size: 13px; font-weight: 400; opacity: 0.7; }

/* ── Nav ── */
nav {
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 10;
}
nav .wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
}
nav a {
  color: #ccc;
  text-decoration: none;
  padding: 10px 14px;
  font-size: 13px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
nav a:hover, nav a.active {
  color: white;
  border-bottom-color: var(--green);
}

/* ── Layout with sidebar ── */
.page-wrap {
  max-width: 1060px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  gap: 32px;
}
.sidebar {
  width: 160px;
  flex-shrink: 0;
  position: sticky;
  top: 52px;
  align-self: flex-start;
}
.sidebar a {
  display: block;
  padding: 6px 0;
  color: #666;
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: all 0.15s;
}
.sidebar a:hover, .sidebar a.active {
  color: var(--dark);
  border-left-color: var(--green);
}
@media (max-width: 768px) {
  .page-wrap { flex-direction: column; }
  .sidebar { width: 100%; position: static; display: flex; flex-wrap: wrap; gap: 0 16px; }
  .sidebar a { border-left: none; padding-left: 0; }
}

/* ── Main ── */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
main.with-sidebar {
  padding: 0;
  flex: 1;
  min-width: 0;
}

h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--green);
}
h2:first-child { margin-top: 0; }
h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  margin: 28px 0 8px;
}
p { margin: 8px 0; font-size: 15px; }
ul, ol { margin: 8px 0 8px 24px; font-size: 15px; }
li { margin: 4px 0; }
strong { font-weight: 600; }

/* ── Code ── */
code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Fira Code', 'Consolas', 'Liberation Mono', monospace;
  font-size: 13px;
}
pre {
  background: #2b2b2b;
  color: #e6e6e6;
  padding: 16px 20px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 12px 0;
  font-size: 13px;
  line-height: 1.5;
}
pre code {
  background: none;
  padding: 0;
  color: inherit;
}
.comment { color: #6a9955; }

/* ── Tables ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}
th {
  background: var(--green);
  color: white;
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
}
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
tr:hover td { background: #f0f7e4; }
td code { font-size: 12px; }

/* ── Download buttons ── */
.download-cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
@media (max-width: 600px) {
  .download-cards { grid-template-columns: 1fr; }
}
.card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { font-size: 13px; color: #666; margin: 0 0 14px; }
.card .btn {
  display: inline-block;
  background: var(--green);
  color: white;
  padding: 10px 24px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s;
}
.card .btn:hover { background: var(--green-dark); }
.card .btn-outline {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
}
.card .btn-outline:hover {
  background: var(--green);
  color: white;
}

/* ── Info boxes ── */
.info-box {
  background: #f0f7e4;
  border-left: 4px solid var(--green);
  padding: 12px 16px;
  margin: 16px 0;
  border-radius: 0 6px 6px 0;
  font-size: 14px;
}

/* ── Steps ── */
.steps { counter-reset: step; list-style: none; margin-left: 0; }
.steps li {
  counter-increment: step;
  padding-left: 36px;
  position: relative;
  margin: 12px 0;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 24px; height: 24px;
  background: var(--green);
  color: white;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Feature grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
}
.feature-grid .card { text-align: left; }
.feature-grid .card h3 { margin: 0 0 6px; font-size: 16px; }
.feature-grid .card p { font-size: 13px; color: #555; margin: 0; }

/* ── Screenshots ── */
.screenshot {
  display: block;
  max-width: 460px;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 16px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.screenshot-caption {
  font-size: 13px;
  color: #666;
  margin: -8px 0 16px;
  font-style: italic;
}

/* ── Back link ── */
.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--green);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.back-link:hover { text-decoration: underline; }

/* ── Footer ── */
footer {
  background: var(--dark);
  color: #999;
  text-align: center;
  padding: 20px;
  font-size: 13px;
}
footer a { color: var(--green); text-decoration: none; }