/* ===== DOCS SUBSITE SHELL ===== */

/* Docs-specific nav */
.docs-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  height: 56px;
}
.docs-nav-inner {
  height: 100%;
  display: flex; align-items: center; gap: 20px;
  padding: 0 20px;
}
.docs-brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--fg);
  flex-shrink: 0;
}
.docs-brand .mark {
  width: 40px; height: 40px; border-radius: 9px;
  overflow: hidden; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 2px 8px rgba(227,6,19,0.25);
}
.docs-brand .mark img {
  width: 100%; height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.15);
}
.docs-brand .wd {
  font-size: 17px; font-style: italic; font-weight: 800;
  letter-spacing: -0.03em; transform: skewX(-8deg);
}
.docs-brand .wd b { color: var(--red); }
.docs-brand .div { color: var(--fg-4); font-size: 18px; font-weight: 300; }
.docs-brand .tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em;
  color: var(--fg-3);
}

.docs-search-nav {
  flex: 1; max-width: 520px;
  display: flex; align-items: center; gap: 10px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 14px;
  color: var(--fg-3);
  position: relative;
}
.docs-search-nav:focus-within { border-color: var(--red); }
.docs-search-nav input {
  flex: 1; background: transparent; border: 0; outline: 0;
  color: var(--fg); font-size: 13px; font-family: var(--sans);
}
.docs-search-nav input::placeholder { color: var(--fg-3); }
.docs-search-nav .kbd {
  font-family: var(--mono); font-size: 10px;
  color: var(--fg-3);
  border: 1px solid var(--line-2); padding: 2px 6px; border-radius: 4px;
}

/* ── Search dropdown ─────────────────────────────────────────── */
.docs-search-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--bg-1, #15151a);
  border: 1px solid var(--line);
  border-radius: 8px;
  max-height: 60vh; overflow-y: auto;
  display: none; z-index: 100;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
}
.docs-search-dropdown.open { display: block; }
.dsr-item {
  display: block;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--fg-2);
  text-decoration: none;
  cursor: pointer;
}
.dsr-item:last-child { border-bottom: 0; }
.dsr-item.active, .dsr-item:hover {
  background: var(--bg-2, #1d1d23);
}
.dsr-section {
  font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 4px;
}
.dsr-title {
  font-size: 14px; color: var(--fg); font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.dsr-snippet {
  font-size: 12px; color: var(--fg-3); line-height: 1.55;
}
.dsr-title mark,
.dsr-snippet mark {
  background: rgba(245, 197, 66, 0.22);
  color: var(--fg);
  border-radius: 2px;
  padding: 0 2px;
}
.dsr-empty {
  padding: 16px;
  text-align: center;
  color: var(--fg-3);
  font-size: 13px;
  font-family: var(--mono);
}

.docs-nav-right {
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
}
.docs-ver {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg); border: 1px solid var(--line);
  color: var(--fg); font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 10px; border-radius: 6px; cursor: pointer;
}
.docs-ver .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6effa2; box-shadow: 0 0 6px #6effa2;
}
.docs-ver:hover { border-color: var(--line-2); }
.docs-nav-link {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-3);
  padding: 8px 10px; border-radius: 6px;
}
.docs-nav-link:hover { color: var(--fg); background: var(--bg); }
.docs-nav-link.back { color: var(--fg-3); border: 1px solid var(--line); }
.docs-nav-link.back:hover { color: var(--red); border-color: var(--red); }

/* Shell layout */
.docs-shell {
  padding-top: 56px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}
.docs-shell.collapsed { grid-template-columns: 60px minmax(0, 1fr); }
.docs-shell.with-rail { grid-template-columns: 280px minmax(0, 1fr) 240px; }
.docs-shell.with-rail.collapsed { grid-template-columns: 60px minmax(0, 1fr) 240px; }

/* Sidebar */
.ds-sidebar {
  position: sticky; top: 56px; align-self: start;
  height: calc(100vh - 56px);
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--bg-1);
  padding: 20px 14px 48px;
}
.ds-sidebar::-webkit-scrollbar { width: 6px; }
.ds-sidebar::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 3px; }

.ds-meta { padding: 0 6px 16px; }
.ds-ver {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-3);
}
.ds-ver .v { color: var(--fg); }
.ds-ver .r { color: #6effa2; }

.ds-group { margin-bottom: 14px; }
.ds-g-head {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-3);
  padding: 8px 10px; font-weight: 600;
}
.ds-g-head .n { color: var(--red); margin-right: 4px; }
.ds-group ul { list-style: none; padding: 0; margin: 2px 0 0; display: flex; flex-direction: column; }
.ds-group ul a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 6px 12px;
  font-size: 13px; color: var(--fg-2);
  border-radius: 6px; line-height: 1.3;
}
.ds-group ul a:hover { background: var(--bg-2); color: var(--fg); }
.ds-group ul a.active {
  background: rgba(227,6,19,0.12);
  color: var(--red);
  box-shadow: inset 2px 0 0 var(--red);
}
.ds-group ul a .tag {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em;
  background: var(--bg-2); color: var(--fg-3);
  padding: 2px 6px; border-radius: 3px; text-transform: uppercase;
  flex-shrink: 0;
}
.ds-group ul a.active .tag { background: var(--red); color: #fff; }

.ds-collapse {
  width: calc(100% - 12px); margin: 14px 6px 0;
  background: transparent; color: var(--fg-3);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px; cursor: pointer;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ds-collapse:hover { color: var(--fg); border-color: var(--line-2); }

/* Collapsed */
.docs-shell.collapsed .ds-sidebar { padding: 20px 6px; }
.docs-shell.collapsed .ds-meta,
.docs-shell.collapsed .ds-g-head span:not(.n),
.docs-shell.collapsed .ds-group ul,
.docs-shell.collapsed .ds-collapse span { display: none; }
.docs-shell.collapsed .ds-g-head { justify-content: center; padding: 10px 0; }
.docs-shell.collapsed .ds-g-head .n {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--bg-2); color: var(--fg-3);
  display: grid; place-items: center; margin: 0;
  border: 1px solid var(--line); font-size: 10px;
}

/* Docs footer */
.docs-foot {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: 28px 0;
  margin-top: 0;
}
.df-row {
  display: flex; align-items: center; gap: 40px;
  flex-wrap: wrap;
}
.df-brand { display: flex; align-items: center; gap: 10px; color: var(--fg); }
.df-brand img { width: 22px; height: 22px; }
.df-brand span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--fg-3); }
.df-brand b { color: var(--red); }
.df-links { display: flex; gap: 18px; margin-left: auto; }
.df-links a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-3);
}
.df-links a:hover { color: var(--red); }
.df-meta {
  display: flex; flex-direction: column; gap: 3px; text-align: right;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  color: var(--fg-4);
}

@media (max-width: 1100px) {
  .docs-search-nav { max-width: 300px; }
  .docs-nav-link { display: none; }
  .docs-nav-link.back { display: inline-block; }
}
@media (max-width: 860px) {
  .docs-shell, .docs-shell.with-rail { grid-template-columns: 1fr; }
  .ds-sidebar { display: none; }
}