@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Plus Jakarta Sans,Inter,sans-serif;background:#f4f7f9;margin:0;padding:0;min-height:100vh}#root{min-height:100vh;width:100%}#main-chat-wrapper{display:flex;width:100%;height:100%;overflow:hidden}.sidebar{width:380px;border-right:1px solid #f1f5f9;display:flex;flex-direction:column;background:#fafafa;flex-shrink:0}.sidebar-header{padding:24px;border-bottom:1px solid #f1f5f9}.sidebar-header h2{font-size:20px;font-weight:800;color:#1e293b}.sidebar-sub{font-size:10px;font-weight:700;text-transform:uppercase;opacity:.4;letter-spacing:.08em;margin-top:2px}.tab-track{display:flex;background:#f1f5f9;margin:16px;padding:4px;border-radius:999px;gap:4px}.tab-btn{flex:1;padding:8px 4px;font-size:10px;font-weight:800;text-transform:uppercase;border:none;border-radius:999px;cursor:pointer;background:transparent;color:#64748b;transition:all .2s}.tab-btn.active{background:#2563eb;color:#fff;box-shadow:0 4px 12px #2563eb4d}.contact-list{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.contact-item{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;border:1px solid #f1f5f9;background:#fff;cursor:pointer;transition:all .15s}.contact-item:hover{border-color:#93c5fd;transform:scale(1.01)}.contact-item.active{background:#eff6ff;border-color:#2563eb;box-shadow:0 4px 12px #2563eb26}.contact-avatar{width:40px;height:40px;border-radius:50%;background:#dbeafe;color:#2563eb;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.contact-name{font-size:13px;font-weight:700;color:#1e293b;display:block}.contact-num{font-size:11px;color:#94a3b8;display:block;margin-top:2px}.chat-area{flex:1;display:flex;flex-direction:column;background:#fff}.chat-empty{align-items:center;justify-content:center;opacity:.35}.empty-state i{font-size:56px;color:#94a3b8;display:block;text-align:center;margin-bottom:12px}.empty-state p{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8}.chat-header{display:flex;align-items:center;gap:12px;padding:16px 24px;border-bottom:1px solid #f1f5f9}.chat-header-avatar{width:40px;height:40px;border-radius:50%;background:#dbeafe;color:#2563eb;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center}.chat-header-name{font-size:14px;font-weight:700;color:#1e293b}.chat-header-status{font-size:10px;font-weight:700;color:#22c55e;margin-top:2px}.messages-box{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:12px}.msg-row{display:flex}.msg-row.sent{justify-content:flex-end}.msg-row.received{justify-content:flex-start}.msg-bubble{max-width:65%;padding:12px 16px;border-radius:18px;font-size:13px;line-height:1.5;display:flex;flex-direction:column;gap:4px;box-shadow:0 1px 4px #0000000f}.bubble-sent{background:#2563eb;color:#fff;border-bottom-right-radius:4px}.bubble-received{background:#f1f5f9;color:#334155;border-bottom-left-radius:4px}.bot-label{font-size:9px;font-weight:800;text-transform:uppercase;opacity:.7;letter-spacing:.1em}.msg-time{font-size:9px;opacity:.5;text-align:right;align-self:flex-end}.chat-footer{padding:16px 24px;border-top:1px solid #f1f5f9;display:flex;gap:8px;align-items:center}.msg-input{flex:1;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:12px 20px;font-size:13px;font-family:inherit;outline:none;color:#334155;transition:border-color .2s}.msg-input:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb0d}.send-btn{width:44px;height:44px;border-radius:14px;background:#2563eb;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #2563eb4d;transition:transform .15s,background .15s;flex-shrink:0}.send-btn:hover{transform:scale(1.05);background:#1d4ed8}.empty-msg{text-align:center;font-size:12px;opacity:.4;margin-top:24px}