#global-login-area{display:inline-block}:root{--bg: #f4f0ed;--sidebar-bg: #1a3a2a;--sidebar-text: #e8f5e9;--sidebar-muted: rgba(232,245,233,.5);--accent-green: #2e7d32;--btn-green: #4caf50;--btn-red: #e53935;--bubble-user: #1a1a1a;--bubble-bot: #ffffff;--text-main: #1a1a1a;--text-muted: #888;--border: rgba(0,0,0,.07);--panel-bg: #ffffff;--shadow-sm: 0 2px 8px rgba(0,0,0,.06);--shadow-md: 0 6px 24px rgba(0,0,0,.09);--radius: 14px;--radius-sm: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:DM Sans,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text-main);height:100vh;overflow:hidden}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:280px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.sidebar-header{padding:22px 18px 16px;border-bottom:1px solid rgba(255,255,255,.07)}.sidebar-user{display:flex;align-items:center;gap:11px}.sidebar-avatar{width:44px;height:44px;border-radius:50%;background:var(--btn-green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex-shrink:0;box-shadow:0 2px 8px #4caf504d}.sidebar-user-info{min-width:0}.sidebar-user-name{font-weight:600;font-size:14px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:11px;color:var(--sidebar-muted);margin-top:2px}.sidebar-search{margin-top:14px;width:100%;padding:9px 14px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:#ffffff0f;color:#fff;font-family:inherit;font-size:13px;outline:none;transition:border-color .15s}.sidebar-search::placeholder{color:#ffffff59}.sidebar-search:focus{border-color:#ffffff38}.sidebar-section-label{padding:16px 18px 8px;font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--sidebar-muted);text-transform:uppercase}.sidebar-threads{flex:1;overflow-y:auto;padding:0 10px;display:flex;flex-direction:column;gap:2px}.sidebar-threads::-webkit-scrollbar{width:3px}.sidebar-threads::-webkit-scrollbar-track{background:transparent}.sidebar-threads::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:3px}.thread{padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;color:var(--sidebar-muted);transition:background .13s,color .13s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread:hover,.thread.active{background:#ffffff17;color:#fff}.sidebar-footer{padding:14px 14px 20px;display:flex;flex-direction:column;gap:8px;border-top:1px solid rgba(255,255,255,.07)}.btn-sidebar-new{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border-radius:var(--radius-sm);border:none;background:var(--btn-green);color:#fff;font-family:inherit;font-weight:600;font-size:13px;cursor:pointer;transition:opacity .15s;box-shadow:0 3px 10px #4caf5040}.btn-sidebar-new:hover{opacity:.86}.btn-sidebar-logout{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border-radius:var(--radius-sm);border:none;background:#e539351f;color:#ff7070;font-family:inherit;font-weight:600;font-size:13px;cursor:pointer;transition:background .15s}.btn-sidebar-logout:hover{background:#e5393538}.chatpanel{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:#fff;border-bottom:1px solid var(--border);flex-shrink:0}.chat-header-left{display:flex;align-items:center;gap:12px}.chat-header-avatar{width:40px;height:40px;border-radius:10px;background:var(--accent-green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}.chat-header-title{font-weight:700;font-size:15px;color:var(--text-main)}.chat-header-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.chat-header-actions{position:relative}.btn-menu{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;color:#666;transition:background .13s;letter-spacing:1px}.btn-menu:hover{background:#f5f5f5}.dropdown-menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);min-width:168px;z-index:200;overflow:hidden}.dropdown-item{display:block;width:100%;padding:11px 16px;background:none;border:none;font-family:inherit;font-size:13px;text-align:left;cursor:pointer;color:var(--text-main);transition:background .12s}.dropdown-item:hover{background:#f6f6f6}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 32px;gap:14px}.welcome-emoji{font-size:56px;line-height:1}.welcome-title{font-size:28px;font-weight:700;color:var(--text-main)}.welcome-subtitle{font-size:15px;color:var(--text-muted);max-width:360px;line-height:1.65}.welcome-hint{margin-top:4px;font-size:13px;color:var(--accent-green);background:#2e7d3214;padding:8px 18px;border-radius:20px;font-weight:500}.messages-area{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:18px}.messages-area::-webkit-scrollbar{width:4px}.messages-area::-webkit-scrollbar-track{background:transparent}.messages-area::-webkit-scrollbar-thumb{background:#ddd;border-radius:4px}.bubble-wrapper{display:flex;flex-direction:column;max-width:72%}.bubble-wrapper.user{align-self:flex-end;align-items:flex-end}.bubble-wrapper.bot{align-self:flex-start;align-items:flex-start}.bubble-sender{font-size:10px;font-weight:700;color:var(--text-muted);margin-bottom:4px;padding:0 4px;text-transform:uppercase;letter-spacing:.06em}.bubble{padding:12px 16px;border-radius:14px;line-height:1.6;font-size:14px;box-shadow:var(--shadow-sm)}.bubble.user{background:var(--bubble-user);color:#fff;border-bottom-right-radius:4px}.bubble.bot{background:var(--bubble-bot);color:var(--text-main);border-bottom-left-radius:4px}.bubble-text{white-space:pre-wrap;word-break:break-word}.timestamp{font-size:10px;color:var(--text-muted);margin-top:5px;padding:0 4px}.typing{display:inline-flex;gap:5px;align-items:center;padding:4px 2px}.typing span{width:7px;height:7px;background:#bbb;border-radius:50%;animation:bounce 1s infinite}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,to{transform:translateY(0);opacity:.5}50%{transform:translateY(-5px);opacity:1}}.composer{padding:14px 24px 18px;background:#fff;border-top:1px solid var(--border);display:flex;gap:10px;align-items:center;flex-shrink:0}.composer input{flex:1;padding:12px 18px;border-radius:24px;border:1.5px solid #e0e0e0;background:var(--bg);font-family:inherit;font-size:14px;color:var(--text-main);outline:none;transition:border-color .15s}.composer input::placeholder{color:#aaa}.composer input:focus{border-color:var(--btn-green)}.btn-send{width:44px;height:44px;border-radius:50%;border:none;background:var(--btn-green);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:opacity .15s,transform .15s;box-shadow:0 4px 14px #4caf504d}.btn-send:hover{opacity:.86;transform:scale(1.04)}.rightpanel{width:280px;background:#fff;border-left:1px solid var(--border);display:flex;flex-direction:column;padding:28px 20px;gap:22px;overflow-y:auto;flex-shrink:0}.rightpanel::-webkit-scrollbar{width:3px}.rightpanel::-webkit-scrollbar-thumb{background:#eee;border-radius:3px}.rp-profile{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.rp-avatar{width:80px;height:80px;border-radius:50%;background:var(--accent-green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:700;overflow:hidden;box-shadow:0 4px 18px #2e7d3238}.rp-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}.rp-name{font-size:18px;font-weight:700;color:var(--text-main)}.rp-desc{font-size:12px;color:var(--text-muted);line-height:1.55}.rp-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-card{background:var(--bg);border-radius:var(--radius-sm);padding:12px 8px;text-align:center}.stat-value{font-size:22px;font-weight:700;color:var(--accent-green)}.stat-label{font-size:10px;color:var(--text-muted);margin-top:2px;text-transform:uppercase;letter-spacing:.07em}.rp-features-title{font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--text-muted);text-transform:uppercase;margin-bottom:-10px}.rp-features{display:flex;flex-direction:column;gap:8px}.feature-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg);border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--text-main)}.login-overlay{position:fixed;inset:0;background:#f4f0ede6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:3000}.login-card{background:#fff;padding:36px 32px;border-radius:18px;width:460px;max-width:95%;box-shadow:0 16px 56px #0000001f}.login-title{font-size:22px;font-weight:700;color:var(--text-main);margin-bottom:4px}.login-subtitle{font-size:14px;color:var(--text-muted);margin-bottom:24px}.login-field{margin-bottom:14px}.login-label{display:block;font-size:12px;font-weight:600;color:#555;margin-bottom:6px;letter-spacing:.03em}.login-input{width:100%;padding:11px 14px;border-radius:var(--radius-sm);border:1.5px solid #e0e0e0;font-family:inherit;font-size:14px;color:var(--text-main);outline:none;transition:border-color .15s}.login-input:focus{border-color:var(--btn-green)}.login-actions{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap;align-items:center}.btn-login{padding:10px 20px;border-radius:var(--radius-sm);border:none;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s}.btn-login:hover{opacity:.84}.btn-login-primary{background:var(--btn-green);color:#fff}.btn-login-secondary{background:var(--bg);color:var(--text-main);border:1.5px solid #ddd}.btn-login-cancel{background:none;color:var(--text-muted);padding:10px 12px}.login-divider{display:flex;align-items:center;gap:12px;margin:22px 0 16px;color:var(--text-muted);font-size:12px}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:#ebebeb}.btn{padding:7px 13px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;font-family:inherit;font-size:12px;cursor:pointer;color:var(--text-main);transition:background .13s}.btn:hover{background:#f5f5f5}#global-login-area{display:flex;gap:6px;align-items:center}@media(max-width:900px){.sidebar,.rightpanel{display:none}.chatpanel{width:100%}.messages-area{padding:16px}.composer{padding:12px 16px 16px}}