:root{--bg: #f0f2f5;--panel: #ffffff;--border: #e4e7eb;--text: #1f2933;--text-soft: #7b8794;--primary: #128c7e;--primary-dark: #075e54;--accent: #25d366;--danger: #e02424;--warning: #f0a020;--bubble-out: #d9fdd3;--bubble-in: #ffffff;--sidebar: #111b21;--sidebar-item: #202c33;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:8px 14px;font-size:14px;background:var(--primary);color:#fff;transition:opacity .15s}button:hover{opacity:.9}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger)}button.sm{padding:5px 10px;font-size:13px}input,select,textarea{font-family:inherit;font-size:14px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;width:100%;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}label{display:block;font-size:13px;color:var(--text-soft);margin-bottom:5px;margin-top:12px}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;background:var(--sidebar);color:#e9edef;display:flex;flex-direction:column;flex-shrink:0}.sidebar .brand{padding:20px 18px;font-size:17px;font-weight:600;color:#fff;display:flex;align-items:center;gap:8px}.sidebar nav{flex:1;padding:8px}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 14px;margin-bottom:3px;border-radius:8px;color:#aebac1;font-size:14px}.sidebar nav a:hover{background:var(--sidebar-item);color:#fff}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar .foot{padding:14px;border-top:1px solid #ffffff14;font-size:13px;color:#8696a0}.main{flex:1;overflow:auto;display:flex;flex-direction:column}.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;flex-shrink:0}.topbar h1{font-size:17px;font-weight:600}.content{padding:20px;flex:1}.grid{display:grid;gap:16px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat .label{color:var(--text-soft);font-size:13px}.stat .value{font-size:28px;font-weight:700;margin-top:6px}.stat .sub{font-size:12px;color:var(--text-soft);margin-top:4px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-soft);font-weight:600;font-size:13px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:500}.badge.online{background:#e3f9e5;color:#1f9d55}.badge.offline{background:#f0f2f5;color:#7b8794}.badge.connecting,.badge.qr{background:#fff4e0;color:#c27803}.dot{width:8px;height:8px;border-radius:50%;background:currentColor}.risk-bar{height:6px;border-radius:4px;background:#eceff1;overflow:hidden;width:80px}.risk-bar>div{height:100%}.chat-layout{display:flex;height:calc(100vh - 56px)}.chat-list{width:320px;border-right:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column}.chat-list .search{padding:10px;border-bottom:1px solid var(--border)}.chat-list .items{flex:1;overflow-y:auto}.chat-item{padding:12px 14px;border-bottom:1px solid var(--border);cursor:pointer;display:flex;gap:10px}.chat-item:hover{background:#f5f6f6}.chat-item.active{background:#e9f5f3}.picker-item{transition:background .1s}.picker-item:hover{background:#f0f2f5}.picker-item:active{background:#e4e7eb}.chat-item .avatar{width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.chat-item .info{flex:1;min-width:0}.chat-item .name{font-weight:600;display:flex;justify-content:space-between}.chat-item .preview{color:var(--text-soft);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.chat-item .unread{background:var(--accent);color:#fff;border-radius:20px;padding:1px 7px;font-size:11px}.chat-main{flex:1;display:flex;flex-direction:column;background:#efeae2}.chat-header{height:60px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 18px}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:65%;padding:8px 12px;border-radius:8px;box-shadow:0 1px 1px #0000000f;position:relative;word-wrap:break-word}.bubble.in{background:var(--bubble-in);align-self:flex-start}.bubble.out{background:var(--bubble-out);align-self:flex-end}.bubble .meta{font-size:11px;color:var(--text-soft);margin-top:3px;text-align:right;display:flex;gap:6px;justify-content:flex-end;align-items:center}.bubble .ai-tag{background:var(--primary);color:#fff;border-radius:4px;padding:0 4px;font-size:10px}.bubble img,.bubble video{max-width:260px;border-radius:6px;display:block}.chat-input{padding:12px;background:var(--panel);border-top:1px solid var(--border);display:flex;gap:10px;align-items:center}.chat-input textarea{resize:none;height:42px}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-soft);flex-direction:column;gap:10px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--panel);border-radius:12px;padding:24px;width:460px;max-width:92vw;max-height:90vh;overflow-y:auto}.modal h2{margin-bottom:4px}.modal .actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#075e54,#128c7e)}.login-box{background:#fff;padding:40px;border-radius:16px;width:380px;box-shadow:0 10px 40px #0003}.login-box h1{text-align:center;margin-bottom:6px;color:var(--primary-dark)}.login-box p{text-align:center;color:var(--text-soft);margin-bottom:20px;font-size:13px}.toasts{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:8px}.toast{background:#fff;border-left:4px solid var(--primary);padding:12px 16px;border-radius:8px;box-shadow:0 4px 16px #00000026;min-width:260px;max-width:340px;animation:slidein .2s}.toast.error{border-color:var(--danger)}.toast.handoff{border-color:var(--warning)}.toast .t-title{font-weight:600;font-size:13px}.toast .t-body{font-size:12px;color:var(--text-soft);margin-top:2px}@keyframes slidein{0%{transform:translate(20px);opacity:0}to{transform:none;opacity:1}}.row{display:flex;gap:10px;align-items:center}.spread{display:flex;justify-content:space-between;align-items:center}.muted{color:var(--text-soft)}.tag{font-size:12px;padding:2px 8px;border-radius:6px;background:#eceff1;color:var(--text-soft)}.pill-toggle{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.pill-toggle button{background:#fff;color:var(--text);border-radius:0;padding:6px 14px}.pill-toggle button.on{background:var(--primary);color:#fff}.empty{text-align:center;color:var(--text-soft);padding:40px}.qr-box{text-align:center}.qr-box img{width:240px;height:240px}@media(max-width:860px){.sidebar{width:60px}.sidebar .brand span,.sidebar nav a span,.sidebar .foot{display:none}.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}.chat-list{width:100%}.chat-layout.show-chat .chat-list{display:none}.chat-layout:not(.show-chat) .chat-main{display:none}.topbar{height:auto;min-height:56px;flex-wrap:wrap;row-gap:6px;padding:10px 12px}.topbar .row{min-width:0;flex:1 1 auto}.topbar h1{min-width:0;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-main{min-width:0}.chat-header{height:auto;min-height:60px;flex-wrap:wrap;row-gap:8px;padding:10px 12px}.chat-header>div:first-child{min-width:0;max-width:100%}.chat-header .row{flex-wrap:wrap;row-gap:6px}.chat-header .row select{max-width:110px}.chat-input{flex-wrap:wrap;padding:8px}.chat-input textarea{min-width:0;flex:1 1 140px}.chat-messages{padding:12px}.bubble{max-width:82%}.card{overflow-x:auto}.card table{min-width:640px}.card th,.card td{white-space:nowrap}.row{flex-wrap:wrap;row-gap:8px}.row input,.row select,.row textarea{min-width:90px;flex:1 1 110px}}