.app-header{--hd-ink:#14171f;--hd-ink-soft:#4a4f5c;--hd-paper:#eff2ea;--hd-line:#d8dacc;--hd-teal:#1e6e63;--hd-teal-soft:#dceae6;position:sticky;top:0;z-index:100;background:hsla(83,24%,93%,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--hd-line);font-family:var(--font-body),ui-sans-serif,sans-serif}.app-header .app-bar{max-width:1180px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:12px}.app-header .app-logo{display:flex;align-items:center;gap:8px;font-family:var(--font-display),ui-sans-serif,sans-serif;font-weight:700;font-size:1.25rem;color:var(--hd-ink);flex-shrink:0}.app-header .app-logo-mark{width:30px;height:30px;border-radius:50%;background:conic-gradient(var(--hd-teal) 0 75%,var(--hd-line) 0);position:relative;flex-shrink:0}.app-header .app-logo-mark:after{content:"";position:absolute;inset:5px;background:var(--hd-paper);border-radius:50%}.app-header .app-nav{display:flex;align-items:center;gap:26px}.app-header .app-nav a{color:var(--hd-ink-soft);font-size:.93rem;font-weight:500;white-space:nowrap;transition:color .15s ease}.app-header .app-nav a.active,.app-header .app-nav a:hover{color:var(--hd-ink)}.app-header .app-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.app-header .app-signin{display:inline-flex;align-items:center;padding:10px 20px;border-radius:999px;font-weight:600;font-size:.9rem;border:1.5px solid var(--hd-ink);background:var(--hd-ink);color:var(--hd-paper);transition:background .15s ease,border-color .15s ease}.app-header .app-signin:hover{background:var(--hd-teal);border-color:var(--hd-teal)}.app-header .app-avatar{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--hd-teal);color:var(--hd-paper);font-weight:700;font-size:.85rem;letter-spacing:.03em;overflow:hidden}.app-header .app-avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.app-header .app-avatar svg{width:18px;height:18px}.app-header .app-nav .nav-icon,.app-header .app-nav .nav-short{display:none}@media (max-width:880px){.app-header .app-bar{flex-wrap:wrap;row-gap:10px;padding:12px 16px 8px}.app-header .app-nav{order:3;width:100%;gap:4px;justify-content:space-between}.app-header .app-nav a{flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:.7rem;font-weight:600;letter-spacing:.01em}.app-header .app-nav .nav-icon{display:grid;place-items:center}.app-header .app-nav .nav-icon svg{width:21px;height:21px}.app-header .app-nav .nav-full{display:none}.app-header .app-nav .nav-short{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis}.app-header .app-nav a.active{color:var(--hd-teal)}}