:root{--bg:#0a0c10;--panel:#12151c;--panel-2:#1a1e28;--border:#232836;--border-strong:#323a4d;--text:#e8eaf0;--text-dim:#aab0c0;--text-faint:#6d7488;--accent:#6d5ae6;--accent-ink:#ffffff;--accent-soft:rgba(109,90,230,0.14);--accent-border:rgba(109,90,230,0.45);--violet:#a05ae6;--violet-soft:rgba(160,90,230,0.14);--cyan:#3fb7c9;--success:#3ea675;--success-soft:rgba(62,166,117,0.13);--warn:#d99a2b;--warn-soft:rgba(217,154,43,0.13);--danger:#e05252;--danger-soft:rgba(224,82,82,0.13);--info:#4b8de6;--info-soft:rgba(75,141,230,0.13)}[data-theme=light]{--bg:#f5f6fa;--panel:#ffffff;--panel-2:#eef0f6;--border:#e0e4ef;--border-strong:#c6cdde;--text:#171c28;--text-dim:#48506a;--text-faint:#8a91a8;--accent:#5b48d6;--accent-soft:rgba(91,72,214,0.10);--accent-border:rgba(91,72,214,0.35);--violet:#8a48d6;--violet-soft:rgba(138,72,214,0.10);--success:#1f8a5b;--success-soft:rgba(31,138,91,0.10);--warn:#b57c14;--warn-soft:rgba(181,124,20,0.12);--danger:#cc3d3d;--danger-soft:rgba(204,61,61,0.10);--info:#2f6fc4;--info-soft:rgba(47,111,196,0.10)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Vazirmatn,system-ui,sans-serif;font-size:15px;line-height:1.8}button,input,select,textarea{font-family:inherit;color:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:rgba(128,133,148,.35);border-radius:8px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-track{background:transparent}@keyframes spin{to{transform:rotate(1turn)}}@keyframes hpulse{0%,to{opacity:1}50%{opacity:.35}}@keyframes hin{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes hblink{50%{opacity:0}}@keyframes hglow{0%,to{opacity:.55}50%{opacity:.95}}.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ltr,.mono{direction:ltr}.mono{font-family:ui-monospace,JetBrains Mono,monospace}.fadein{animation:hin .22s ease}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px}.btn{border:none;border-radius:11px;padding:10px 18px;font-weight:800;font-size:13.5px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:filter .12s ease,transform .12s ease}.btn:hover{filter:brightness(1.09)}.btn:disabled{opacity:.55;cursor:default;filter:none}.btn-grad{background:linear-gradient(135deg,var(--accent),var(--violet));color:#fff;box-shadow:0 6px 20px var(--accent-soft)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);font-weight:700}.btn-ghost:hover{border-color:var(--border-strong);background:var(--panel-2)}.btn-soft{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-border)}.input{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px 15px;color:var(--text);font-size:14px;outline:none;width:100%;transition:border-color .15s ease}.input:focus{border-color:var(--accent-border)}.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:var(--panel);color:var(--text-dim);border-radius:999px;padding:8px 14px;font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap}.chip:hover{color:var(--text)}.chip.active,.chip:hover{border-color:var(--accent-border)}.chip.active{background:var(--accent-soft);color:var(--accent)}.msg-user{align-self:flex-start;max-width:80%;background:var(--panel-2);border-radius:18px;padding:11px 17px;font-size:14.5px;line-height:1.9}.msg-ai{font-size:14.7px;line-height:2;color:var(--text)}.msg-ai pre{text-align:left;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px;overflow-x:auto;font-size:13px;line-height:1.7}.msg-ai code,.msg-ai pre{direction:ltr;font-family:ui-monospace,JetBrains Mono,monospace}.msg-ai code{unicode-bidi:embed;font-size:.92em;background:var(--panel-2);border-radius:6px;padding:1px 6px}.msg-ai pre code{background:none;padding:0}.caret{width:8px;background:var(--accent);border-radius:2px;-webkit-margin-start:3px;margin-inline-start:3px;vertical-align:-2px;animation:hblink 1s steps(1) infinite}.caret,.spinner{display:inline-block;height:16px}.spinner{width:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.navitem{display:flex;align-items:center;gap:10px;width:100%;border:none;background:none;color:var(--text-dim);border-radius:10px;padding:9px 11px;cursor:pointer;font-size:13.5px;font-weight:600;text-align:start}.navitem:hover{background:var(--panel-2);color:var(--text)}.navitem.active{background:var(--accent-soft);color:var(--accent)}