:root{font-family:Vazirmatn,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:#0f172a;color:#e2e8f0}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;justify-content:center;align-items:stretch;background:linear-gradient(145deg,#0f172a,#1e293b);direction:rtl}#root{width:100%}.app-shell{max-width:720px;margin:0 auto;padding:1.5rem}.chat-panel{background-color:#0f172ae6;border:1px solid rgba(148,163,184,.2);border-radius:1rem;display:flex;flex-direction:column;height:90vh}.chat-feed{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.75rem}.message{padding:.9rem 1rem;border-radius:.9rem;line-height:1.6;white-space:pre-wrap;word-break:break-word;direction:rtl;text-align:right}.message.user{background-color:#e2e8f0;color:#0f172a;align-self:flex-end;border-bottom-right-radius:.2rem}.message.bot{background-color:#4f46e526;border:1px solid rgba(129,140,248,.4);border-bottom-left-radius:.2rem;align-self:flex-start}.composer{border-top:1px solid rgba(148,163,184,.2);padding:1rem;display:flex;gap:.75rem}.composer input{flex:1;padding:.85rem 1rem;border-radius:999px;border:1px solid rgba(148,163,184,.4);background-color:#0f172a99;color:inherit;direction:rtl;text-align:right}.composer button{border:none;border-radius:999px;padding:0 1.5rem;background:linear-gradient(120deg,#6366f1,#8b5cf6);color:#fff;font-weight:600;cursor:pointer}.status-line{font-size:.8rem;color:#e2e8f0d9;padding:0 1.5rem .8rem}