.site-header{position:sticky;top:0;z-index:50;background:rgba(var(--surface-rgb,255,255,255),.96);border-bottom:1px solid var(--border);backdrop-filter:blur(14px) saturate(130%)}.header-inner{display:grid;grid-template-columns:auto auto 1fr auto auto;gap:var(--space-3);align-items:center;height:64px}.brand{display:inline-flex;align-items:center;gap:6px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text);text-decoration:none;font-size:18px;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.brand span{font-size:18px;display:inline-block;background:linear-gradient(90deg,#f97373 0,#facc15 14%,#3b82f6 28%,#22c55e 42%,#8b5cf6 56%,#f97316 72%,#16a34a 86%,#f97373 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.theme-dark .site-header .brand{padding:6px 14px;border-radius:999px;background:radial-gradient(circle at 10% 0,rgba(248,250,252,.16),transparent 55%),rgba(15,23,42,.86);color:#f9fafb;box-shadow:0 0 0 1px rgba(148,163,184,.35),0 10px 24px rgba(15,23,42,.55)}.theme-dark .site-header .brand:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(148,163,184,.55),0 14px 30px rgba(15,23,42,.68)}.main-nav{display:none;gap:var(--space-3)}@media (min-width:960px){.main-nav{display:flex}}.nav-link{color:var(--text);text-decoration:none;opacity:.8;font-size:14px;padding:6px 12px;border-radius:999px;transition:background .16s ease,opacity .16s ease,transform .12s ease}.nav-link:hover{opacity:1;background:var(--surface-2);transform:translateY(-1px)}.search{display:none!important}.search-input{width:100%;height:40px;border-radius:999px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);padding:0 14px;outline:0}.search-input::placeholder{color:var(--muted)}.icon-btn{height:40px;min-width:40px;display:inline-grid;place-items:center;border-radius:999px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.icon-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.icon{font-size:18px;line-height:1}.header-actions{display:flex;gap:10px;align-items:center}.login-btn{height:40px;padding:0 18px;border-radius:999px;border:none;background:var(--brand);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 10px 24px rgba(15,23,42,.26);transition:transform .12s ease,box-shadow .12s ease,filter .12s ease}.login-btn:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 32px rgba(15,23,42,.32)}.user-menu{position:relative}.avatar-btn{height:40px;width:40px;border-radius:50%;border:1px solid var(--border);overflow:hidden;background:var(--surface-2);padding:0;cursor:pointer}.avatar-btn img{width:100%;height:100%;object-fit:cover;display:block}.avatar-fallback{display:grid;place-items:center;width:100%;height:100%;font-weight:800;color:#000;background:var(--brand)}.user-dropdown{position:absolute;right:0;top:calc(100% + 8px);width:280px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-md);padding:8px}.user-dd-head{display:flex;gap:10px;padding:8px;border-bottom:1px solid var(--border)}.user-dd-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;background:var(--surface-2);flex:0 0 auto;display:grid;place-items:center}.user-dd-avatar img{width:100%;height:100%;object-fit:cover;display:block}.user-dd-meta{min-width:0}.user-dd-name{font-weight:800}.user-dd-email{color:var(--muted);font-size:13px;word-break:break-all}.user-dd-menu{list-style:none;margin:8px 0;padding:0}.user-dd-menu li a{display:block;padding:10px 12px;border-radius:10px;text-decoration:none;color:var(--text)}.user-dd-menu li a:hover{background:var(--surface-2)}.user-dd-sep{border:0;height:1px;background:var(--border);margin:8px 0}body.modal-open .site-header{z-index:0}@media (max-width:768px){.site-header .container{padding-inline:0}.header-inner{grid-template-columns:1fr;height:56px}.brand{justify-self:center}.header-actions,.login-btn,.main-nav,.search,.site-header .icon-btn,.user-menu{display:none!important}}