:root{--font-sans:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--radius-sm:8px;--radius-bubble:22px;--radius-pill:999px;--font-size-md:15px}:root[data-theme=light]{--bg-app:#eef1f6;--bg:#fff;--bg-elev:#fff;--bg-elev-2:#f3f4f7;--fg:#0f172a;--fg-muted:#5b6472;--fg-subtle:#8a93a4;--border:#e6e9ef;--border-strong:#cfd4de;--hover:#0f172a0d;--active:#0f172a17;--ring:#0084ff73;--accent:#0084ff;--accent-strong:#06c;--accent-fg:#fff;--accent-soft:#0084ff1f;--online:#22c55e;--bubble-user-bg:#0084ff;--bubble-user-fg:#fff;--bubble-user-shadow:0 1px 2px #00529e2e;--bubble-bot-bg:#eef0f3;--bubble-bot-fg:#0f172a;--bubble-bot-shadow:none;--card-bg:#fff;--card-border:#e6e9ef;--card-shadow:0 1px 2px #0f172a0d, 0 1px 3px #0f172a0a;--card-shadow-hover:0 4px 10px #0f172a14, 0 2px 4px #0f172a0d;--chip-bg:#fff;--chip-border:#d6dbe4;--chip-fg:#0f172a;--chip-hover-bg:#0084ff;--chip-hover-fg:#fff;--chip-hover-border:#0084ff;--wallpaper-blob-1:#0084ff1f;--wallpaper-blob-2:#8b5cf617;--wallpaper-blob-3:#22c55e12}:root[data-theme=dark]{--bg-app:#0b0d11;--bg:#16181d;--bg-elev:#1d2026;--bg-elev-2:#252932;--fg:#e6e8ec;--fg-muted:#9aa1ad;--fg-subtle:#6a7180;--border:#272a31;--border-strong:#353943;--hover:#ffffff0f;--active:#ffffff1a;--ring:#0a84ff8c;--accent:#0a84ff;--accent-strong:#409cff;--accent-fg:#fff;--accent-soft:#0a84ff2e;--online:#34d399;--bubble-user-bg:#0a84ff;--bubble-user-fg:#fff;--bubble-user-shadow:0 1px 2px #0006;--bubble-bot-bg:#2a2d34;--bubble-bot-fg:#e6e8ec;--bubble-bot-shadow:none;--card-bg:#1d2026;--card-border:#272a31;--card-shadow:0 1px 2px #00000059;--card-shadow-hover:0 4px 12px #00000080;--chip-bg:#1d2026;--chip-border:#353943;--chip-fg:#e6e8ec;--chip-hover-bg:#0a84ff;--chip-hover-fg:#fff;--chip-hover-border:#0a84ff;--wallpaper-blob-1:#0a84ff29;--wallpaper-blob-2:#8b5cf621;--wallpaper-blob-3:#34d39914}*,:before,:after{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{font-family:var(--font-sans);font-size:var(--font-size-md);color:var(--fg);background:var(--bg-app);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;overscroll-behavior-y:none;line-height:1.5}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}input,textarea{font:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.icon-btn{width:36px;height:36px;color:var(--fg-muted);border-radius:999px;justify-content:center;align-items:center;transition:background-color .12s,color .12s;display:inline-flex}.icon-btn:hover{background:var(--hover);color:var(--fg)}.icon-btn:active{background:var(--active)}::selection{background:var(--accent);color:var(--accent-fg)}:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:var(--radius-sm)}