.topnav{z-index:100;color:var(--nav-text);-webkit-backdrop-filter:saturate(140%);backdrop-filter:saturate(140%);background:linear-gradient(#0b0d12 0%,#0f1218 100%);border-bottom:1px solid #ffffff0f;position:sticky;top:0}.topnav-inner{align-items:center;gap:18px;max-width:1520px;height:60px;margin:0 auto;padding:10px 24px;display:flex}.brand{transition:background .2s var(--ease);border-radius:10px;align-items:center;gap:10px;padding:4px 6px 4px 4px;text-decoration:none;display:flex}.brand:hover{background:#ffffff0a}.brand-logo{background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);border-radius:9px;place-items:center;width:34px;height:34px;display:grid;box-shadow:0 4px 14px #2563eb73,inset 0 1px #ffffff38}.brand-logo svg{width:19px;height:19px}.brand-text{line-height:1}.brand-name{letter-spacing:-.015em;color:#fff;font-size:15px;font-weight:700}.ai-search{max-width:560px;transition:all .22s var(--ease);background:linear-gradient(135deg,#2563eb24,#2563eb1a),#ffffff09;border:1px solid #2563eb38;border-radius:12px;flex:1;align-items:center;gap:10px;height:42px;margin:0 auto;padding:6px 8px 6px 12px;display:flex;position:relative;box-shadow:inset 0 1px #ffffff0a}.ai-search:hover,.ai-search:focus-within{border-color:#2563eb80;box-shadow:0 0 0 3px #2563eb24,inset 0 1px #ffffff0f}.ai-icon{color:#fff;background:linear-gradient(135deg,#0ea5e9,#2563eb);border-radius:7px;flex-shrink:0;place-items:center;width:26px;height:26px;display:grid;position:relative;box-shadow:0 2px 8px #2563eb59,inset 0 1px #ffffff40}.ai-icon-ring{border:1.5px solid var(--brand);opacity:.5;border-radius:10px;animation:2.4s ease-out infinite ai-ring;position:absolute;inset:-3px}@keyframes ai-ring{0%{opacity:.6;transform:scale(.85)}70%{opacity:0;transform:scale(1.35)}to{opacity:0;transform:scale(1.35)}}.ai-center{flex:1;align-items:center;min-width:0;height:100%;display:flex;position:relative}.ai-input{width:100%;color:var(--nav-text);z-index:2;background:0 0;border:0;outline:0;font-size:13px;font-weight:500;position:relative}.ai-rotator{pointer-events:none;color:var(--nav-text-3);white-space:nowrap;align-items:center;font-size:13px;display:flex;position:absolute;inset:0;overflow:hidden}.ai-input:not(:placeholder-shown)+.ai-rotator{opacity:0}.ai-input:focus+.ai-rotator{opacity:.45}.ai-pre{color:#c4b5fd;flex-shrink:0;font-weight:600}.ai-rotate{flex:1;min-width:0;height:16px;display:inline-block;position:relative;overflow:hidden}.ai-rotate>span{white-space:nowrap;text-overflow:ellipsis;height:16px;line-height:16px;animation:14s infinite ai-rotate;display:block;overflow:hidden}@keyframes ai-rotate{0%,22%{opacity:1;transform:translateY(0)}25%,97%{opacity:0;transform:translateY(-16px)}to{opacity:0;transform:translateY(-16px)}}.ai-wave{flex-shrink:0;align-items:center;gap:2px;width:32px;height:20px;padding:0 2px;display:flex}.ai-wave span{background:linear-gradient(#2563eb,#0ea5e9);border-radius:3px;width:2.5px;height:30%;animation:1.4s ease-in-out infinite ai-wave}@keyframes ai-wave{0%,to{opacity:.45;height:25%}50%{opacity:1;height:90%}}.ai-mic{color:#c4b5fd;width:30px;height:30px;transition:all .2s var(--ease);background:#2563eb33;border:1px solid #2563eb4d;border-radius:8px;flex-shrink:0;place-items:center;display:grid;position:relative}.ai-mic:hover{color:#fff;background:#2563eb59}.mic-pulse{opacity:0;pointer-events:none;border:2px solid #ef4444;border-radius:10px;position:absolute;inset:-2px}.kbd{color:var(--nav-text-2);background:#ffffff14;border:1px solid #ffffff1f;border-radius:5px;flex-shrink:0;padding:3px 7px;font-family:Inter,sans-serif;font-size:10.5px;font-weight:600}.post-lead-btn{color:#fff;letter-spacing:-.005em;height:40px;transition:all .2s var(--ease);cursor:pointer;background:linear-gradient(135deg,#2563eb,#1d4ed8);border:0;border-radius:11px;flex-shrink:0;align-items:center;gap:7px;padding:0 16px;font-size:13px;font-weight:600;display:inline-flex;box-shadow:0 4px 14px #7c3aed61,inset 0 1px #ffffff38}.post-lead-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px #7c3aed80,inset 0 1px #ffffff42}.streak-chip{color:#fef3c7;letter-spacing:-.01em;cursor:pointer;transition:all .2s var(--ease);background:linear-gradient(135deg,#fbbf241f,#f973161f);border:1px solid #fbbf2438;border-radius:999px;align-items:center;gap:6px;margin-right:4px;padding:6px 11px;font-size:12px;font-weight:700;display:inline-flex}.streak-chip:hover{background:linear-gradient(135deg,#fbbf2438,#f9731638);border-color:#fbbf2461;transform:translateY(-1px)}.activity-cluster{background:#ffffff09;border:1px solid #ffffff0f;border-radius:11px;align-items:center;gap:2px;padding:3px;display:flex}.act-btn{width:36px;height:34px;color:var(--nav-text-2);cursor:pointer;transition:all .18s var(--ease);background:0 0;border:0;border-radius:8px;place-items:center;display:grid;position:relative}.act-btn:hover{color:#fff;background:#ffffff12}.act-badge{color:#fff;text-align:center;background:#2563eb;border:2px solid #0b0c28;border-radius:999px;min-width:17px;height:17px;padding:0 4.5px;font-size:10px;font-weight:700;line-height:13px;position:absolute;top:-2px;right:-2px}.act-btn[data-tone=info] .act-badge{background:#3b82f6}.act-btn[data-tone=warn] .act-badge{background:var(--warn)}.act-btn[data-tone=hot] .act-badge{background:#e11d48}.avatar-btn{cursor:pointer;background:0 0;border:0;border-radius:11px;flex-shrink:0;place-items:center;width:38px;height:38px;padding:0;display:grid;position:relative}.avatar-ring{opacity:0;transition:opacity .2s var(--ease);background:conic-gradient(from 180deg,#2563eb,#0ea5e9,#2563eb);border-radius:13px;position:absolute;inset:-2px}.avatar-btn:hover .avatar-ring{opacity:1}.avatar{color:#fff;background:linear-gradient(135deg,#2563eb,#1d4ed8);border-radius:9px;place-items:center;width:34px;height:34px;font-size:12.5px;font-weight:700;display:grid;position:relative;box-shadow:0 4px 12px #2563eb52,inset 0 1px #ffffff40}.avatar-status{z-index:2;background:#10b981;border:2px solid #0b0d12;border-radius:50%;width:9px;height:9px;position:absolute;bottom:0;right:0}.act-peek{opacity:0;visibility:hidden;width:280px;transition:all .22s var(--ease);z-index:1000;background:#fff;border:1px solid #0000000f;border-radius:16px;padding:12px;position:absolute;top:calc(100% + 12px);right:0;transform:translateY(8px);box-shadow:0 20px 40px #0000001f,0 0 0 1px #00000005}.peek-head{border-bottom:1px solid #0000000d;margin-bottom:8px;padding:4px 8px 12px}.peek-title{color:#1f2937;text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:700}.peek-row{transition:all .15s var(--ease);cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:10px;text-decoration:none;display:flex}.peek-row:hover{background:#f3f4f6}.peek-ic{border-radius:9px;flex-shrink:0;place-items:center;width:32px;height:32px;display:grid}.peek-ic.info{color:#2563eb;background:#eff6ff}.peek-ic.hot{color:#dc2626;background:#fef2f2}.peek-body{flex:1;min-width:0}.peek-name{color:#111827;font-size:13.5px;font-weight:600}.mobile-menu-btn{color:#fff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;margin-left:6px;display:none}@media (max-width:900px){.mobile-menu-btn{display:flex}.main-nav{display:none}}