/* Shared navigation. Keep the existing menu and display-settings behavior. */
.site-header--premium{--nav-hover:#f3f6fa;--nav-active:#eaf1fc;--nav-accent:#1b4f9c;--nav-account:#18374f;--nav-account-hover:#234b68;box-shadow:0 3px 14px #142a3d05}
.site-header--premium .topbar{gap:26px;padding:15px 0}
.site-header--premium .brand{gap:10px;flex-shrink:0}
.site-header--premium .brand:hover{text-decoration:none}
.site-header--premium .brand img{width:40px;height:40px;object-fit:contain;padding:5px;border:1px solid var(--line);border-radius:9px;background:var(--surface-soft)}
.site-header--premium .brand-copy{gap:5px}
.site-header--premium .brand-name{font-size:15px;font-weight:750;letter-spacing:-.025em}
.site-header--premium .brand-meta{font-size:10px;letter-spacing:.035em;font-weight:500;color:var(--muted)}
.site-header--premium .nav-panel{grid-template-columns:minmax(0,1fr) 172px auto;gap:14px}
.site-header--premium .primary-nav{gap:3px;overflow:visible}
.site-header--premium .primary-nav a{position:relative;display:flex;align-items:center;justify-content:center;min-height:42px;padding:10px 8px;border:0;border-radius:6px;background:transparent;color:var(--text);font-size:13px;font-weight:550;line-height:1.3;white-space:nowrap;transition:background-color .15s,color .15s}
.site-header--premium .primary-nav a:hover{background:var(--nav-hover);color:var(--nav-accent);text-decoration:none}
.site-header--premium .primary-nav a.is-active{background:var(--nav-active);color:var(--nav-accent);font-weight:650}
.site-header--premium .primary-nav a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--nav-accent)}
.site-header--premium .nav-caption{display:none}
.site-header--premium .header-icon{display:block;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.site-header--premium .site-search{display:flex;gap:0;min-width:0;padding:3px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft);transition:border-color .15s,box-shadow .15s}
.site-header--premium .site-search:focus-within{border-color:var(--nav-accent);box-shadow:0 0 0 3px var(--nav-active)}
.site-header--premium .site-search input{width:100%;min-width:0;min-height:34px;border:0;border-radius:5px;padding:7px 8px;background:transparent;color:var(--text);font-size:12px;box-shadow:none;outline:none}
.site-header--premium .site-search input::placeholder{color:var(--muted);opacity:1}
.site-header--premium .site-search button{display:flex;align-items:center;justify-content:center;min-height:34px;min-width:34px;padding:6px;border:0;border-radius:5px;background:transparent;color:var(--muted)}
.site-header--premium .site-search button:hover{background:var(--nav-active);color:var(--nav-accent)}
.site-header--premium .account-nav{gap:8px}
.site-header--premium .account-nav a{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:10px 12px;border-radius:8px;font-size:12px;font-weight:600;line-height:1.2}
.site-header--premium .account-nav .header-account{background:var(--nav-account);border-color:var(--nav-account);color:#fff}
.site-header--premium .account-nav .header-account:hover{background:var(--nav-account-hover);border-color:var(--nav-account-hover);color:#fff;text-decoration:none}
.site-header--premium .account-nav .header-logout{min-width:40px;padding:9px;background:transparent;border-color:var(--line);color:var(--muted)}
.site-header--premium .settings-wrap{flex-shrink:0}
.site-header--premium .settings-toggle{min-width:40px;min-height:42px;gap:8px;padding:9px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--muted)}
.site-header--premium .settings-toggle:hover,.site-header--premium .settings-toggle[aria-expanded=true]{border-color:var(--line);background:var(--nav-hover);color:var(--text)}
.site-header--premium .settings-label-text{display:none;font-size:12px;font-weight:600}
.site-header--premium .settings-panel{padding:20px;gap:16px;border-radius:12px;box-shadow:0 12px 36px #152e4826}
.site-header--premium .settings-title{font-size:14px;font-weight:650}
.site-header--premium .settings-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-header--premium .settings-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:6px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer}
.site-header--premium .settings-close:hover{background:var(--nav-hover);color:var(--text)}
.site-header--premium .settings-group{gap:8px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.site-header--premium .settings-group label,.site-header--premium .settings-row{min-height:30px;font-size:13px;font-weight:500;cursor:pointer}
.site-header--premium .menu-toggle{min-height:42px;gap:9px;padding:10px 12px;border-color:var(--line);background:var(--surface);color:var(--text);font-size:12px;font-weight:600}
.site-header--premium .menu-toggle:hover{background:var(--nav-hover)}
.site-header--premium .menu-icon{transition:background-color .15s}
.site-header--premium .menu-icon::before,.site-header--premium .menu-icon::after{transition:transform .15s,top .15s}
.site-header--premium.is-open .menu-icon{background:transparent}
.site-header--premium.is-open .menu-icon::before{top:0;transform:rotate(45deg)}
.site-header--premium.is-open .menu-icon::after{top:0;transform:rotate(-45deg)}
.site-header--premium :where(a,button):focus-visible{outline:2px solid var(--nav-accent);outline-offset:4px}
html[data-color-scheme=dark] .site-header--premium{--nav-hover:#1d2938;--nav-active:#1d304b;--nav-accent:#a1c3ff;--nav-account:#d9e6f8;--nav-account-hover:#f0f5fc;box-shadow:0 1px 0 var(--line)}
html[data-color-scheme=dark] .site-header--premium .primary-nav a{background:transparent;border-color:var(--line);color:var(--text)}
html[data-color-scheme=dark] .site-header--premium .primary-nav a:hover{background:var(--nav-hover);color:var(--nav-accent)}
html[data-color-scheme=dark] .site-header--premium .primary-nav a.is-active{background:var(--nav-active);color:var(--nav-accent)}
html[data-color-scheme=dark] .site-header--premium .site-search input{background:transparent}
html[data-color-scheme=dark] .site-header--premium .account-nav .header-account{color:#122d44}
html[data-color-scheme=dark] .site-header--premium .account-nav .header-account:hover{color:#122d44}
html[data-density=compact] .site-header--premium .topbar{padding:9px 0;gap:20px}
html[data-density=compact] .site-header--premium .primary-nav a{padding:8px}
html[data-density=compact] .site-header--premium .site-search input{padding:7px 8px}
@media(max-width:1199px){
    .site-header--premium .topbar{grid-template-columns:minmax(0,1fr) auto;gap:0 16px;padding:13px 0}
    .site-header--premium .menu-toggle{display:inline-flex;justify-self:end}
    .site-header--premium .menu-toggle span:last-child{display:inline}
    .site-header--premium .nav-panel{grid-column:1/-1;display:none;grid-template-columns:1fr;gap:18px;align-items:stretch;max-height:calc(100dvh - 76px);overflow-y:auto;overscroll-behavior:contain;margin-top:13px;padding:18px 0 4px;border-top:1px solid var(--line)}
    .site-header--premium.is-open .nav-panel{display:grid}
    .site-header--premium .primary-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;align-items:stretch}
    .site-header--premium .primary-nav a{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:5px;min-height:72px;padding:13px 15px;text-align:left;white-space:normal;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:14px}
    .site-header--premium .primary-nav a.is-active{border-color:var(--nav-active)}
    .site-header--premium .primary-nav a.is-active::after{top:15px;bottom:15px;left:0;right:auto;width:2px;height:auto}
    .site-header--premium .nav-caption{display:block;color:var(--muted);font-size:11px;font-weight:400;line-height:1.4}
    .site-header--premium .site-search{order:-1;width:100%}
    .site-header--premium .site-search input{min-height:40px;font-size:14px;padding:8px 11px}
    .site-header--premium .site-search button{min-width:42px;min-height:40px}
    .site-header--premium .account-nav{flex-wrap:nowrap;gap:10px;padding-top:16px;border-top:1px solid var(--line);overflow:visible}
    .site-header--premium .account-nav .header-account{flex:1 1 auto;min-height:44px}
    .site-header--premium .account-nav .header-logout{flex:0 0 44px;min-height:44px}
    .site-header--premium .settings-wrap{width:auto;flex:1 1 auto;position:static}
    .site-header--premium .settings-toggle{width:100%;min-height:44px;border-color:var(--line);background:var(--surface)}
    .site-header--premium .settings-label-text{display:inline}
    .site-header--premium .settings-panel{position:fixed;left:16px;right:16px;top:84px;bottom:auto;width:auto;max-width:480px;max-height:calc(100dvh - 100px);margin-inline:auto;overflow-y:auto}
    html[data-density=compact] .site-header--premium .topbar{gap:0 16px;padding:9px 0}
}
@media(max-width:560px){
    .site-header--premium .brand-name{font-size:14px}
    .site-header--premium .brand-meta{font-size:10px;letter-spacing:0}
    .site-header--premium .brand img{width:36px;height:36px;padding:4px;border-radius:8px}
    .site-header--premium .primary-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
    .site-header--premium .primary-nav a{padding:12px;min-height:70px;font-size:13px}
    .site-header--premium .site-search input{font-size:16px}
}
@media(max-width:359px){
    .site-header--premium .brand{gap:7px}
    .site-header--premium .brand-name{font-size:12px}
    .site-header--premium .brand-meta{font-size:9px}
    .site-header--premium .menu-toggle{gap:7px;padding:9px}
    .site-header--premium .nav-caption{font-size:10px}
}
@media(prefers-reduced-motion:reduce){.site-header--premium .primary-nav a,.site-header--premium .site-search,.site-header--premium .menu-icon,.site-header--premium .menu-icon::before,.site-header--premium .menu-icon::after{transition:none}}