:root{--bg:#f5f5f7;--bg-2:#fff9;--bg-3:#e9e9ee;--surface:#ffffffd1;--surface-2:#f0f0f3;--ink:#1a1a1a;--ink-2:#3f3f46;--muted:#71717a;--muted-2:#a1a1aa;--line:#00000014;--line-2:#00000024;--accent:#1a1a1a;--danger:#c0392b;--brand-soft:#ffffff8c;--radius:14px;--radius-s:9px;--radius-input:20px;--font-num:"SF Mono",ui-monospace,Consolas,"Cascadia Mono",monospace;--safe-bottom:env(safe-area-inset-bottom,0px);--primary:#1a1a1a;--primary-ink:#fff;--glass-bg:#ffffffad;--glass-blur:blur(20px) saturate(1.5);--shadow-1:0 4px 20px #0000000d,0 1px 3px #0000000a;--shadow-2:0 12px 40px #00000017}html,body{max-width:100vw;overflow-x:hidden}body{background:var(--bg);min-height:100vh;color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-image:radial-gradient(1200px 500px at 15% -10%,#8ca0ff24,#0000 60%),radial-gradient(900px 420px at 110% 20%,#78c8ff1f,#0000 55%),radial-gradient(800px 500px at 50% 120%,#b496ff1a,#0000 60%);background-attachment:fixed;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;transition:background .15s,color .15s}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}input,select,textarea{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius-s)}:where(button,a,input,select,textarea,[role=button]){-webkit-tap-highlight-color:transparent}:where(button,a,input,select,textarea,[role=button]):focus-visible{outline:2px solid var(--ink);outline-offset:2px}:where(button,a,input,select,textarea,[role=button]):focus:not(:focus-visible){outline:none}::selection{background:#0000001f}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:4px}::-webkit-scrollbar-track{background:0 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var(--line);letter-spacing:.05em;border-radius:12px;flex-shrink:0;place-items:center;width:38px;height:38px;font-size:13px;font-weight:700;display:grid}.omni-logo-title{font-size:15px;font-weight:700;line-height:1.25}.omni-logo-sub{letter-spacing:.28em;color:var(--muted-2);margin-top:2px;font-size:10px}.omni-icon-btn{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;padding:6px;display:grid}.omni-icon-btn:hover{background:var(--surface);color:var(--ink)}.omni-close-btn{display:none}.omni-new-btn{border:1px solid var(--line-2);background:var(--surface);color:var(--ink);cursor:pointer;box-shadow:var(--shadow-1);border-radius:12px;justify-content:center;align-items:center;gap:6px;margin:8px 12px;padding:11px 0;font-size:13.5px;font-weight:600;transition:background .12s,border-color .12s;display:flex}.omni-new-btn:hover{border-color:var(--muted-2);background:#fff}.omni-sidebar-list{flex-direction:column;flex:1;gap:2px;padding:4px 12px 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