:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #111827;
  --muted: #64748b;
  --border: #d9e0ea;
  --primary: #2563eb;
  --primary-soft: #eef2ff;
  --code: #f1f5f9;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 302px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 22px 18px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: #111827;
  color: #fff;
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); }

nav { display: grid; gap: 16px; }
.nav-group { display: grid; gap: 4px; }
.nav-group h2 {
  margin: 0 0 4px;
  padding: 0 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
}
nav a {
  border-radius: 7px;
  padding: 9px 10px;
  color: #334155;
}
nav a:hover, nav a.active { background: var(--primary-soft); color: var(--primary); }
.repo-link { margin-top: auto; color: var(--primary); font-weight: 700; }

main { margin-left: 302px; min-height: 100vh; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  padding: 13px clamp(18px, 4vw, 56px);
}
#menuButton { display: none; }
.topbar a { color: var(--muted); font-size: 14px; }
.topbar a:hover { color: var(--primary); }

.content {
  width: min(1000px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 58px) 0 80px;
  line-height: 1.78;
}
.content h1 { margin: 0 0 18px; font-size: clamp(34px, 5vw, 54px); line-height: 1.08; }
.content h2 { margin-top: 42px; border-top: 1px solid var(--border); padding-top: 28px; font-size: 26px; }
.content h3 { margin-top: 30px; font-size: 20px; }
.content h4 { margin-top: 22px; }
.content p, .content li { color: #334155; }
.content a { color: var(--primary); font-weight: 650; }
.content pre {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--code);
  padding: 15px;
}
.content code {
  border-radius: 5px;
  background: var(--code);
  padding: 2px 5px;
}
.content pre code { padding: 0; background: transparent; }
.content blockquote { margin: 18px 0; border-left: 4px solid var(--primary); padding-left: 14px; color: var(--muted); }

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .18s ease; }
  body.nav-open .sidebar { transform: translateX(0); box-shadow: 0 20px 50px rgba(15, 23, 42, .18); }
  main { margin-left: 0; }
  #menuButton { display: inline-flex; margin-right: auto; }
}

.tiphia-mascot {
  float: right;
  width: min(320px, 42vw);
  max-height: 420px;
  object-fit: cover;
  object-position: 50% 18%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.12);
  margin: 0 0 22px 28px;
}

@media (max-width: 760px) {
  .tiphia-mascot {
    float: none;
    width: 100%;
    max-height: 360px;
    margin: 0 0 22px;
  }
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 18px 0 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

.content table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.62;
}

.content th,
.content td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.content th {
  background: #f8fafc;
  color: var(--text);
  font-weight: 750;
  white-space: nowrap;
}

.content tr:last-child td {
  border-bottom: 0;
}

.content td {
  color: #334155;
}