.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:200;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#050914d1;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:20px}.brand{color:#fff;text-decoration:none;font-size:1.25rem;font-weight:900;letter-spacing:.02em;flex-shrink:0}.brand span{color:#11bfcf}.header-divider{width:1px;height:18px;background:var(--border)}.header-title{color:var(--text-muted);font-size:14px;font-weight:500}.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.chip-btn{background:#ffffff0f;border:1px solid rgba(255,255,255,.14);border-radius:999px;color:var(--text);font:inherit;font-size:13px;font-weight:600;padding:7px 16px;text-decoration:none;cursor:pointer;transition:background .15s}.chip-btn:hover{background:#ffffff1c}.lb-menu-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:3px;width:42px;height:42px;margin-left:auto;padding:0;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:#ffffff0f;color:#edf7ff;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease}.lb-menu-toggle:hover,.lb-menu-toggle:focus-visible{outline:none;background:#ffffff1c;border-color:#7ee7ff47;transform:translateY(-1px)}.lb-menu-toggle span{display:block;width:18px;height:2px;border-radius:999px;background:currentColor}.lb-mobile-menu{display:none}@media (max-width: 640px){:root{--header-h: 68px;--mobile-menu-gap: 14px}.site-header{padding:0 18px;gap:16px}.brand{font-size:1.32rem}.header-title{font-size:14.5px}.header-actions{display:none}.lb-menu-toggle{display:inline-flex;width:44px;height:44px}.lb-mobile-menu{display:flex;position:fixed;top:calc(var(--header-h) + env(safe-area-inset-top));left:0;right:0;z-index:220;padding:0 16px 16px;justify-content:flex-end}.lb-mobile-menu[hidden]{display:none}.lb-mobile-menu-inner{display:flex;flex-direction:column;align-items:flex-end;gap:var(--mobile-menu-gap);width:fit-content;margin-left:auto;margin-right:0;max-width:calc(100vw - 32px);padding:16px 18px;border:1px solid rgba(255,255,255,.1);border-radius:24px;background:#0a0e14eb;box-shadow:0 24px 60px #00000052;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.lb-mobile-menu-inner .chip-btn{width:auto;min-width:0;align-self:flex-end;white-space:nowrap}.lb-mobile-menu-nav,.lb-mobile-menu-group{display:flex;flex-direction:column;align-items:flex-end;gap:var(--mobile-menu-gap);width:fit-content}}