/* Full section navigation, sharing the selected site theme and accent. */
.top-links{align-items:center;gap:5px}
.nav-directory{position:relative}
.nav-directory summary{display:flex;align-items:center;gap:12px;padding:11px 14px;min-height:44px;border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:13px;white-space:nowrap;list-style:none;transition:background .2s,border-color .2s}
.nav-directory summary::-webkit-details-marker{display:none}
.nav-directory summary:hover,.nav-directory[open] summary{background:var(--panel);border-color:var(--accent)}
.nav-chevron{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.nav-directory[open] .nav-chevron{transform:rotate(225deg) translate(-1px,-1px)}
.nav-directory-panel{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);width:510px;display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);animation:nav-panel-in .22s ease both}
.header .nav-directory-panel a{display:flex;align-items:center;gap:12px;min-height:48px;padding:10px 12px;border:0;border-radius:12px;white-space:normal;font-size:13px}
.nav-directory-panel img,.mobile-nav img{width:26px;height:26px;object-fit:contain;flex-shrink:0}
.nav-directory-panel img[src*="/nav-"],.mobile-nav img[src*="/nav-"],.side-nav img[src*="/nav-"]{scale:1.2}
.nav-directory-panel img[src*="/nav-calculator"],.mobile-nav img[src*="/nav-calculator"],.side-nav img[src*="/nav-calculator"]{scale:1.4}
.nav-directory-panel a:hover,.nav-directory-panel a:focus-visible,.mobile-nav a:hover,.mobile-nav a.active{background:var(--accent-tone-24,#a660ff18);color:var(--accent)}
.nav-directory summary:focus-visible,.side-nav a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.side-nav{top:calc(50% + 35px);gap:2px;padding:6px;border-radius:19px;max-height:calc(100dvh - 132px)}
.side-nav a{position:relative;width:39px;height:37px;flex-shrink:0;border-radius:11px}
.side-nav img{width:25px;height:25px;object-fit:contain;transition:transform .2s}
.side-nav a:hover img{transform:translateY(-1px) scale(1.07)}
.nav-tip{position:absolute;left:calc(100% + 19px);top:50%;transform:translate(-5px,-50%);opacity:0;pointer-events:none;white-space:nowrap;font-size:12px;padding:9px 13px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);box-shadow:var(--shadow);transition:opacity .16s,transform .16s}
.side-nav a:hover .nav-tip,.side-nav a:focus-visible .nav-tip{opacity:1;transform:translate(0,-50%)}
.mobile-nav:not([hidden]){display:grid;grid-template-columns:1fr 1fr;gap:3px;max-height:calc(100dvh - 115px);overflow-y:auto;overscroll-behavior:contain;animation:mobile-nav-in .2s ease both}
.mobile-nav a{display:flex;align-items:center;gap:10px;min-height:49px;font-size:13px;line-height:1.4}
.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted);margin-bottom:25px}
.breadcrumbs a{color:var(--accent)}
@keyframes nav-panel-in{from{opacity:0;translate:0 -7px}to{opacity:1;translate:0 0}}
@keyframes mobile-nav-in{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1181px) and (max-height:620px){.side-nav{overflow-y:auto;overflow-x:hidden;scrollbar-width:thin}.nav-tip{display:none}}
@media(max-width:1100px) and (min-width:901px){.top-links{gap:0}.header .top-links>a{font-size:12px;padding-inline:7px}.nav-directory summary{padding-inline:10px;font-size:12px}.nav-directory-panel{width:460px;left:auto;right:-100px;transform:none}}
@media(max-width:380px){.mobile-nav a{padding:9px 8px;gap:7px;font-size:12px}.mobile-nav img{width:23px;height:23px}}
@media(max-width:359px){.mobile-nav:not([hidden]){max-height:calc(100dvh - 145px)}}
@media(prefers-reduced-motion:reduce){.nav-directory-panel,.mobile-nav{animation:none}.nav-tip,.side-nav img{transition:none}}