/*
 * Toolbox — Navigation Styles
 * Top nav, search overlay, mobile drawer
 */

/* ── Top Nav ────────────────────────────────────────────────── */
.sitenav {
  position: sticky; top: 0; z-index: 600; height: 58px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--bdr);
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
}
[data-theme="dark"] .sitenav {
  background: rgba(10,14,18,.94);
}

.nav-inner {
  max-width: 1240px; margin: 0 auto; padding: 0 28px;
  height: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: 12px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 7px;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--fM); font-size: .68rem; font-weight: 600; color: #fff;
}
.logo-name {
  font-family: var(--fD); font-size: 1.12rem; font-weight: 800;
  color: var(--navy); letter-spacing: -.03em;
}
.logo-name b { color: var(--blue); font-weight: 800; }

/* Category nav links — all real anchor links */
.nav-cats { display: flex; align-items: center; gap: 1px; }
@media (max-width: 820px) { .nav-cats { display: none; } }

.nav-cat {
  padding: 5px 12px; border-radius: 6px;
  font-family: var(--fM); font-size: .71rem; font-weight: 500;
  color: var(--txt3); transition: all .13s;
}
.nav-cat:hover  { color: var(--txt); background: var(--bg3); }
.nav-cat.active { color: var(--blue); background: var(--bluelt); }

/* Right side */
.nav-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.nav-search-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px; border: 1.5px solid var(--bdr);
  border-radius: 20px; font-family: var(--fM);
  font-size: .7rem; color: var(--txt3);
  background: var(--bg2); cursor: pointer; transition: all .13s;
}
.nav-search-btn:hover { border-color: var(--bdr2); color: var(--txt); }
.nav-search-btn svg   { width: 13px; height: 13px; }

.kbd {
  background: var(--bg3); border: 1px solid var(--bdr);
  border-radius: 4px; padding: 1px 5px;
  font-size: .6rem; color: var(--txt4);
}
@media (max-width: 480px) { .kbd { display: none; } }

.nav-mob {
  display: none; width: 34px; height: 34px;
  border-radius: var(--r); border: 1.5px solid var(--bdr);
  background: var(--bg2); align-items: center; justify-content: center;
  color: var(--txt3);
}
.nav-mob svg { width: 16px; height: 16px; }
@media (max-width: 820px) { .nav-mob { display: flex; } }

/* ── Search Overlay ─────────────────────────────────────────── */
.s-overlay {
  display: none; position: fixed; inset: 0; z-index: 900;
  background: rgba(15,23,42,.65);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  padding: 60px 16px 16px;
  flex-direction: column; align-items: center;
}
.s-overlay.open { display: flex; }

.s-box {
  width: 100%; max-width: 560px;
  display: flex; align-items: center;
  background: #fff; border: 2px solid var(--blue);
  border-radius: 12px; overflow: hidden;
  box-shadow: var(--shbl); margin-bottom: 14px;
}
.s-box svg   { width: 17px; height: 17px; margin: 0 13px; color: var(--blue); flex-shrink: 0; }
.s-input     { flex: 1; padding: 14px 0; background: transparent; border: none; outline: none; font-family: var(--fB); font-size: .95rem; color: var(--txt); }
.s-input::placeholder { color: var(--txt4); }
.s-esc       { padding: 7px 14px; background: var(--bg2); border-left: 1px solid var(--bdr); font-family: var(--fM); font-size: .68rem; color: var(--txt3); cursor: pointer; transition: .13s; }
.s-esc:hover { color: var(--txt); }

.s-results {
  width: 100%; max-width: 560px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 7px;
}
@media (max-width: 480px) { .s-results { grid-template-columns: 1fr; } }

.s-hit {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 13px; background: #fff;
  border: 1.5px solid var(--bdr); border-radius: 10px; transition: all .12s;
}
.s-hit:hover      { border-color: var(--blue3); background: var(--bluelt); }
.s-hit-ico        { font-size: 1rem; flex-shrink: 0; }
.s-hit-name       { font-size: .84rem; font-weight: 600; color: var(--txt); line-height: 1.2; }
.s-hit-cat        { font-family: var(--fM); font-size: .59rem; color: var(--txt4); margin-top: 1px; }

/* ── Mobile Drawer ──────────────────────────────────────────── */
.mob-drawer      { display: none; position: fixed; inset: 0; z-index: 800; }
.mob-drawer.open { display: block; }
.mob-bg          { position: absolute; inset: 0; background: rgba(15,23,42,.55); }

.mob-panel {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: min(290px, 92vw); background: var(--bg);
  border-left: 1px solid var(--bdr);
  overflow-y: auto; padding: 66px 18px 28px;
}
.mob-grp         { margin-bottom: 18px; }
.mob-grp-title   {
  font-family: var(--fM); font-size: .6rem; text-transform: uppercase;
  letter-spacing: .12em; color: var(--txt4); margin-bottom: 7px;
  padding-bottom: 6px; border-bottom: 1px solid var(--bdr);
}
.mob-link        { display: flex; align-items: center; gap: 8px; padding: 8px 9px; border-radius: 7px; font-size: .86rem; color: var(--txt2); transition: .12s; }
.mob-link:hover  { background: var(--bg2); color: var(--blue); }