/* Header navigation: restrained controls with a stable desktop and mobile layout. */
.site-header{position:sticky;z-index:100;top:0;display:flex;align-items:center;min-height:74px;height:auto;padding:0;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:none}
.site-header::after{display:none}
.brand{flex:0 0 auto;margin-right:54px}
.main-nav{display:flex;align-items:center;align-self:stretch;gap:27px;height:auto;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;color:var(--ink-soft);font-size:13px}
.main-nav a{position:relative;display:flex;align-items:center;height:100%;padding:0 1px;border-radius:0;background:transparent;color:var(--ink-soft);font-size:13px;font-weight:650;box-shadow:none}
.main-nav a:hover{background:transparent;color:var(--teal);transform:none}
.main-nav .active{background:transparent;color:var(--ink);box-shadow:none}
.main-nav .active:hover{background:transparent;color:var(--ink)}
.main-nav .active:after{right:1px;bottom:0;left:1px;height:2px;border-radius:0;background:var(--teal)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.site-search{display:flex;align-items:center;width:214px;height:36px;padding:0 5px 0 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 3px 12px rgba(22,45,38,.04)}
.site-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}
.site-search-icon{flex:0 0 auto;margin-right:7px;color:var(--ink-soft);font-size:18px;line-height:1;transform:translateY(-1px)}
.site-search input{min-width:0;width:100%;padding:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
.site-search input::placeholder{color:var(--ink-soft);opacity:.85}
.site-search button{flex:0 0 auto;height:26px;padding:0 8px;border:0;border-radius:5px;background:var(--surface-muted);color:var(--teal);font-size:10px;font-weight:750;cursor:pointer}
.site-search button:hover{background:var(--teal-soft)}
.service-link{display:inline-flex;align-items:center;gap:4px;padding:7px 2px;border:0;border-radius:0;background:transparent;color:var(--teal);font-size:11px;font-weight:750;white-space:nowrap}
.service-link:hover{background:transparent;color:var(--coral)}
.service-link span{font-size:14px;line-height:1}
.admin-menu,.admin-link{position:relative;color:var(--ink-soft);font-size:11px;font-weight:700;white-space:nowrap}
.admin-menu summary,.admin-link{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 8px;border:1px solid transparent;border-radius:7px;background:transparent;color:inherit;cursor:pointer;list-style:none}
.admin-menu summary::-webkit-details-marker{display:none}
.admin-menu summary:hover,.admin-menu[open] summary,.admin-link:hover{border-color:var(--line);background:var(--surface);color:var(--teal)}
.admin-icon{font-size:16px;font-weight:500;line-height:1}
.admin-chevron{margin-left:1px;color:var(--ink-soft);font-size:12px;line-height:1;transition:transform .2s ease}
.admin-menu[open] .admin-chevron{transform:rotate(180deg)}
.admin-panel{position:absolute;z-index:110;top:calc(100% + 10px);right:0;display:grid;min-width:218px;padding:8px;border:1px solid var(--line);border-radius:9px;background:var(--surface);box-shadow:0 16px 38px rgba(22,45,38,.14)}
.admin-panel-heading{display:flex;align-items:baseline;justify-content:space-between;padding:6px 9px 9px;margin-bottom:3px;border-bottom:1px solid var(--line)}
.admin-panel-heading strong{color:var(--ink);font-size:12px}.admin-panel-heading small{color:var(--ink-soft);font-size:9px;letter-spacing:.12em}
.admin-panel a{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:9px;border-radius:6px;color:var(--ink);font-size:11px;font-weight:600;white-space:nowrap}
.admin-panel a small{color:var(--ink-soft);font-size:9px;font-weight:500}.admin-panel a:hover{background:var(--surface-muted);color:var(--teal)}
.admin-panel .admin-signout{margin-top:4px;border-top:1px solid var(--line);border-radius:0;color:var(--coral)}
.theme-toggle{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--ink-soft);cursor:pointer}
.theme-toggle:hover{border-color:var(--teal);background:var(--teal-soft);color:var(--teal)}
.theme-toggle-icon{font-size:17px;line-height:1}
html[data-theme=dark] .site-header{background:color-mix(in srgb,var(--bg) 92%,transparent)}
@media(max-width:1080px){.brand{margin-right:38px}.site-search{width:186px}.header-actions{gap:8px}}
@media(max-width:900px){.site-header{flex-wrap:wrap;row-gap:9px;padding:10px 0 9px}.brand{margin-right:auto}.header-actions{margin-left:0}.main-nav{order:3;flex-basis:100%;justify-content:center;height:34px;border-top:1px solid var(--line)}}
@media(max-width:680px){.site-header{min-height:64px;padding:8px 0 7px}.brand{margin-right:auto}.brand small{display:none}.header-actions{gap:6px}.site-search{width:150px;height:34px;padding-left:9px}.site-search button{width:25px;padding:0;font-size:0}.site-search button:after{content:'↗';font-size:13px}.service-link{display:none}.admin-menu summary,.admin-link{width:32px;justify-content:center;padding:0}.admin-text,.admin-link>span:last-child{display:none}.admin-chevron{display:none}.admin-panel{position:fixed;top:58px;right:18px;min-width:210px}.main-nav{gap:20px;height:32px;font-size:12px}.main-nav a{font-size:12px}.theme-toggle{width:32px;height:32px}}
@media(prefers-reduced-motion:reduce){.admin-chevron{transition:none}}