:root {
  --green: #04aa6d;
  --green-dark: #059862;
  --dark: #282a35;
  --dark-2: #3a3d4d;
  --light: #e7e9eb;
  --side-bg: #f1f1f1;
  --text: #000;
  --code-key: #07a;
  --code-str: #690;
  --code-com: slategray;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Segoe UI, Arial, sans-serif;
  font-size: 15px;
  color: var(--text);
  background: #fff;
}
a { color: inherit; }

/* ---------- top nav ---------- */
#topnav { position: sticky; top: 0; z-index: 20; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
.top-row { display: flex; align-items: center; height: 52px; padding: 0 12px; gap: 10px; }
#menuBtn { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; padding: 4px 8px; }
.logo { text-decoration: none; }
.logo-box {
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  background: var(--dark); color: #fff; font-weight: 700; font-size: 13px; letter-spacing: 1px; border-radius: 4px;
}
.tabs { display: flex; flex: 1; align-items: center; height: 100%; overflow: hidden; }
.tabs a, .tabs button {
  height: 100%; display: flex; align-items: center; padding: 0 14px; background: none; border: 0;
  font: inherit; color: #000; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.tabs a:hover, .tabs button:hover, .tabs .active { background: var(--green); color: #fff; }
.search { display: flex; align-items: center; margin-left: auto; }
.search input {
  height: 36px; width: 240px; padding: 0 12px; font-size: 15px; background: var(--light);
  border: 2px solid transparent; border-right: 0; border-radius: 20px 0 0 20px; outline: 0;
}
.search input:focus { background: #fff; border-color: var(--green); }
.search button {
  height: 36px; padding: 0 16px; background: var(--green); color: #fff; font-size: 15px; border: 0;
  border-radius: 0 20px 20px 0; cursor: pointer; white-space: nowrap;
}
.search button:hover { background: var(--green-dark); }
.search button:disabled { opacity: .6; cursor: wait; }

.sub-row { background: var(--dark); display: flex; flex-wrap: wrap; padding: 0 12px; }
.sub-row a {
  color: #fff; text-decoration: none; padding: 8px 12px; font-size: 14px;
}
.sub-row a:hover { background: #000; }

/* ---------- layout ---------- */
.layout { display: flex; align-items: flex-start; min-height: calc(100vh - 160px); }
#sidebar {
  width: 240px; flex: none; background: var(--side-bg); padding: 12px 0 40px;
  position: sticky; top: 90px; max-height: calc(100vh - 90px); overflow-y: auto;
}
.side-title { font-size: 22px; margin: 6px 16px 10px; }
#sideLinks h4 { margin: 14px 16px 4px; font-size: 14px; color: #555; text-transform: uppercase; letter-spacing: .5px; }
#sideLinks a { display: block; padding: 5px 16px; text-decoration: none; color: #000; font-size: 15px; }
#sideLinks a:hover { background: #ccc; }
#sideLinks a::after { content: " \2197"; font-size: 11px; color: #888; }

#main { flex: 1; min-width: 0; padding: 8px 28px 60px; max-width: 920px; }
#right { width: 220px; flex: none; padding: 18px 12px; }
.ad-box {
  height: 200px; background: var(--light); display: flex; align-items: center; justify-content: center;
  text-align: center; font-weight: 700; color: #777; border-radius: 4px; line-height: 1.5;
}

h1 { font-size: 40px; margin: 18px 0 10px; font-weight: 600; }
h1 .accent { color: var(--green); }
h2 { font-size: 30px; margin: 34px 0 8px; font-weight: 600; }
p, li { line-height: 1.6; font-size: 16px; }
main a { color: #0b6e4f; }

/* ---------- code ---------- */
.try-box { margin: 18px 0; }
.try-head { background: var(--light); padding: 8px 14px; font-size: 18px; border-radius: 4px 4px 0 0; }
pre {
  margin: 0; padding: 14px 16px; background: #f1f1f1; border-left: 4px solid var(--green);
  overflow-x: auto; font-family: Consolas, "Courier New", monospace; font-size: 15px; line-height: 1.5;
}
.try-box pre { border-left: 0; background: #fff; border: 1px solid var(--light); border-top: 0; }
code { font-family: Consolas, "Courier New", monospace; }
p code, li code {
  background: #f1f1f1; color: crimson; padding: 1px 5px; font-size: 15px;
}
.tok-k { color: var(--code-key); }
.tok-s { color: var(--code-str); }
.tok-c { color: var(--code-com); }
.tok-n { color: #905; }
.tok-v { color: #c7254e; }

.try-btn {
  display: inline-block; margin: 10px 0 20px; background: var(--green); color: #fff !important; text-decoration: none;
  padding: 8px 18px; font-size: 18px; border-radius: 5px; border: 0; cursor: pointer;
}
.try-btn:hover { background: var(--green-dark); }

blockquote.note { margin: 18px 0; padding: 4px 18px; background: #ddffdd; border-left: 6px solid var(--green); }
blockquote.tip { margin: 18px 0; padding: 4px 18px; background: #ffffcc; border-left: 6px solid #ffeb3b; }
blockquote p { margin: 10px 0; }

.pager { display: flex; justify-content: space-between; margin-top: 40px; }
.pager button {
  background: var(--green); color: #fff; border: 0; padding: 10px 20px; font-size: 17px; border-radius: 5px; cursor: pointer;
}
.pager button:hover { background: var(--green-dark); }
.disclaimer { margin-top: 30px; font-size: 13px; color: #666; }

/* ---------- loading / error ---------- */
#loading { text-align: center; padding: 90px 0; color: #555; }
.spinner {
  width: 56px; height: 56px; margin: 0 auto 18px; border: 6px solid var(--light);
  border-top-color: var(--green); border-radius: 50%; animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#error { margin: 30px 0; padding: 14px 18px; background: #ffdddd; border-left: 6px solid #f44336; }

footer { background: var(--dark); color: #ccc; text-align: center; padding: 24px 12px; font-size: 14px; }
footer p { margin: 4px 0; }
[hidden] { display: none !important; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) { #right { display: none; } }
@media (max-width: 800px) {
  #menuBtn { display: block; }
  .tabs { display: none; }
  .search { flex: 1; }
  .search input { width: 100%; min-width: 0; }
  .search button { font-size: 13px; padding: 0 10px; }
  #sidebar {
    position: fixed; left: 0; top: 52px; bottom: 0; max-height: none; z-index: 15; transform: translateX(-100%);
    transition: transform .2s; box-shadow: 2px 0 6px rgba(0,0,0,.3);
  }
  #sidebar.open { transform: none; }
  #main { padding: 8px 16px 40px; }
  h1 { font-size: 30px; }
}

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { border: 1px solid #ddd; padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--green); color: #fff; font-weight: 600; }
tbody tr:nth-child(even) { background: #f2f2f2; }
td code { background: #f1f1f1; color: crimson; padding: 1px 5px; font-size: 15px; }