*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--header-bg:#0d47a1;--header-text:#fff;--chat-bg:#e8eaf6;--bubble-left:#fff;--bubble-right:#bbdefb;--input-bg:#f0f0f0;--text-primary:#303030;--text-secondary:#667781;--shadow:0 1px 3px #0000001f;--gradient-aurora:linear-gradient(135deg, #0d47a1, #1565c0, #42a5f5);--gradient-pill:linear-gradient(135deg, #0d47a1, #1565c0);--font:"Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}html,body,#root{width:100%;height:100%;font-family:var(--font);background:#c5cae9}#root{justify-content:center;align-items:center;display:flex}.phone-frame{background:var(--chat-bg);flex-direction:column;width:100%;max-width:420px;height:100vh;max-height:100vh;display:flex;position:relative;overflow:hidden;box-shadow:0 0 20px #0003}@media (width>=421px){.phone-frame{border-radius:12px;height:95vh;max-height:820px;margin:2.5vh auto}}.header{background:var(--header-bg);color:var(--header-text);z-index:10;flex-shrink:0;align-items:center;gap:12px;padding:12px 16px;display:flex}.header-avatar{background:var(--gradient-aurora);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;font-weight:700;display:flex}.header-info{flex:1;min-width:0}.header-name{font-size:15px;font-weight:600;line-height:1.3}.header-status{opacity:.85;align-items:center;gap:4px;font-size:12px;display:flex}.status-dot{background:#25d366;border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.messages{background:repeating-linear-gradient(transparent, transparent 50px, #00000005 50px, #00000005 51px), var(--chat-bg);scroll-behavior:smooth;flex-direction:column;flex:1;gap:6px;padding:12px 16px;display:flex;overflow-y:auto}.messages::-webkit-scrollbar{width:5px}.messages::-webkit-scrollbar-thumb{background:#00000026;border-radius:3px}.message-row{max-width:88%;margin-bottom:2px;display:flex}.message-row.bot{align-self:flex-start}.message-row.user{justify-content:flex-end;align-self:flex-end}.bubble{word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;border-radius:8px;padding:8px 12px;font-size:13.5px;line-height:1.45;position:relative;box-shadow:0 1px 1px #0000000f}.message-row.bot .bubble{background:var(--bubble-left);color:var(--text-primary);border-top-left-radius:2px}.message-row.user .bubble{background:var(--bubble-right);color:var(--text-primary);border-top-right-radius:2px}.bubble-time{color:var(--text-secondary);text-align:right;opacity:.7;margin-top:3px;font-size:10px}.typing-indicator{align-items:center;gap:4px;padding:4px 0;display:flex}.typing-indicator .dot{background:#90949c;border-radius:50%;width:7px;height:7px;animation:1.4s infinite both typing-dot}.typing-indicator .dot:nth-child(2){animation-delay:.2s}.typing-indicator .dot:nth-child(3){animation-delay:.4s}@keyframes typing-dot{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.menu-pills{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.menu-pill{background:var(--gradient-pill);color:#fff;cursor:pointer;font-size:12.5px;font-weight:500;font-family:var(--font);border:none;border-radius:20px;padding:7px 14px;transition:transform .15s,box-shadow .15s;box-shadow:0 2px 6px #0d47a14d}.menu-pill:hover{transform:translateY(-1px);box-shadow:0 4px 10px #0d47a166}.menu-pill:active{transform:translateY(0)}.input-bar{background:#f0f0f0;border-top:1px solid #e0e0e0;flex-shrink:0;align-items:center;gap:8px;padding:8px 12px;display:flex}.input-bar input{font-size:14px;font-family:var(--font);background:#fff;border:none;border-radius:24px;outline:none;flex:1;padding:10px 16px;box-shadow:0 1px 2px #0000000d}.input-bar input::placeholder{color:#999}.input-bar input:disabled{background:#e8e8e8}.send-btn{background:var(--gradient-aurora);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;transition:transform .15s,opacity .15s;display:flex;box-shadow:0 2px 6px #0d47a14d}.send-btn:hover:not(:disabled){transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.send-btn svg{width:20px;height:20px}.error-banner{color:#856404;text-align:center;background:#fff3cd;border-top:1px solid #ffc107;flex-shrink:0;padding:8px 16px;font-size:12px}.send-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}