.header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:100;background:#ffffffb8;position:sticky;top:0;box-shadow:0 14px 32px #0f172a14}:root[data-theme=dark] .header{background:#111827b3}:root[data-theme=light] .header{background:#ffffffb3}@media (prefers-color-scheme:dark){:root:not([data-theme]) .header{background:#111827b3}}.header-content{justify-content:space-between;align-items:center;max-width:1140px;margin:0 auto;padding:16px 20px;display:flex}.header-top{justify-content:space-between;align-items:center;gap:16px;width:auto;display:flex}.logo{color:var(--brand);letter-spacing:.03em;font-size:22px;font-weight:700;font-family:var(--font-head)}.nav{align-items:center;gap:16px;font-size:15px;font-weight:500;display:flex}.nav-toggle{border:1px solid var(--line);width:40px;height:40px;color:var(--text);cursor:pointer;background:0 0;border-radius:12px;justify-content:center;align-items:center;display:none}.nav-toggle.open{color:var(--brand-600);background:#0ea5a41a}.nav a{color:var(--text);text-decoration:none;transition:color .2s}.nav a:hover{color:var(--brand)}.nav-link{border-radius:999px;padding:8px 12px;transition:background .2s,color .2s,box-shadow .2s}.nav-badge{background:var(--brand);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:18px;height:18px;margin-left:6px;padding:0 6px;font-size:11px;display:inline-flex}.nav-link.active:not(.btn-primary):not(.btn-secondary){color:var(--brand-600);background:#0ea5a429;box-shadow:inset 0 0 0 1px #0ea5a440}.nav-link.active.btn-primary{box-shadow:0 0 0 2px #0ea5a440}.nav-avatar{border:1px solid var(--line);background:#0f172a14;border-radius:999px;justify-content:center;align-items:center;width:34px;height:34px;display:inline-flex;overflow:hidden}.nav-avatar img{object-fit:cover;width:100%;height:100%}.nav-initial{width:100%;height:100%;color:var(--text);justify-content:center;align-items:center;font-size:12px;font-weight:600;display:inline-flex}.account-menu{position:relative}.account-trigger{border:1px solid var(--line);color:var(--text);cursor:pointer;background:#0f172a0a;border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:14px;display:inline-flex}.account-trigger:hover{background:#0ea5a414}.account-dropdown{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);z-index:120;border-radius:12px;min-width:180px;display:grid;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}.account-dropdown.menu-grid{grid-template-columns:repeat(2,minmax(140px,1fr));gap:12px 18px;min-width:320px;padding:10px}.account-dropdown.align-left{left:0;right:auto}.account-item{color:var(--text);text-align:left;cursor:pointer;background:0 0;border:none;padding:10px 12px;font-size:14px}.menu-item{align-items:center;gap:10px;display:flex}.menu-icon{width:18px;height:18px;color:var(--brand-600);justify-content:center;align-items:center;display:inline-flex}.menu-count{margin-left:auto}.menu-title{letter-spacing:.18em;text-transform:uppercase;color:var(--muted);padding:8px 12px 4px;font-size:11px}.menu-divider{background:var(--line);height:1px;margin:4px 0}.menu-section{gap:6px;display:grid}.menu-section-divider{border-left:1px solid var(--line);padding-left:12px}.account-dropdown.menu-grid .account-item{padding:8px 10px}.account-item:hover{color:var(--brand-600);background:#0ea5a414}.account-logout{color:var(--danger)}@media (max-width:900px){.header-content{flex-direction:column;align-items:stretch;gap:12px}.header-top{width:100%}.nav-toggle{display:inline-flex}.nav{border-top:1px solid var(--line);flex-direction:column;gap:8px;width:100%;padding-top:8px;display:none}.nav.is-open{display:flex}.nav a{width:100%;display:block}.account-menu{width:100%}.account-trigger{justify-content:space-between;width:100%}.account-dropdown{box-shadow:none;margin-top:8px;position:static}.account-dropdown.menu-grid{grid-template-columns:1fr;min-width:0}.menu-section-divider{border-left:none;padding-left:0}}.nav-post{align-items:center;gap:6px;display:inline-flex}.nav-post-icon{width:28px;height:28px;color:var(--brand-600);background:#0ea5a41f;border-radius:999px;justify-content:center;align-items:center;display:inline-flex}.nav-post-label{display:none}@media (max-width:900px){.nav-post-label{display:inline}}