*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#111318;--surface:#1c1f26;--surface2:#23272f;--border:#2a2d36;--text:#e4e6ed;--text2:#8b90a0;--accent:#4a7cff;--green:#22c55e;--red:#ef4444;--orange:#f97316;--sidebar-w:220px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{background:var(--bg);color:var(--text);min-height:100vh}.layout{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex}.sidebar-logo{color:var(--text);border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:20px 16px;font-size:18px;font-weight:700;display:flex}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex}.nav-item{cursor:pointer;color:var(--text2);border-radius:8px;align-items:center;gap:10px;padding:9px 12px;font-size:14px;text-decoration:none;transition:background .15s,color .15s;display:flex}.nav-item:hover{background:var(--surface2);color:var(--text)}.nav-item.active{color:var(--accent);background:#4a7cff22;font-weight:500}.nav-badge{background:var(--accent);color:#fff;border-radius:10px;margin-left:auto;padding:2px 6px;font-size:11px;font-weight:700}.sidebar-user{border-top:1px solid var(--border);align-items:center;gap:10px;padding:12px 16px;font-size:13px;display:flex}.avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex}.main{flex-direction:column;flex:1;display:flex;overflow:hidden}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.page-title{font-size:20px;font-weight:600}.content{flex:1;padding:24px;overflow-y:auto}.cards{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.card-label{color:var(--text2);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:12px}.card-value{font-size:32px;font-weight:700}.card-sub{margin-top:6px;font-size:12px}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.table-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;font-size:14px;font-weight:600;display:flex}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:var(--text2);border-bottom:1px solid var(--border);padding:10px 20px;font-size:12px;font-weight:500}td{border-bottom:1px solid var(--border);padding:12px 20px}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface2)}.badge{border-radius:6px;align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-green{color:var(--green);background:#22c55e22}.badge-red{color:var(--red);background:#ef444422}.badge-orange{color:var(--orange);background:#f9731622}.badge-blue{color:var(--accent);background:#4a7cff22}.badge-gray{color:var(--text2);background:#fff1}.activity-item{border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:14px 20px;display:flex}.activity-item:last-child{border-bottom:none}.activity-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;display:flex}.activity-body{flex:1;min-width:0}.activity-name{font-size:13px;font-weight:500}.activity-sub{color:var(--text2);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12px;overflow:hidden}.messages-layout{background:var(--surface);border:1px solid var(--border);border-radius:12px;height:100%;display:flex;overflow:hidden}.conv-list{border-right:1px solid var(--border);flex-shrink:0;width:300px;overflow-y:auto}.conv-item{cursor:pointer;border-bottom:1px solid var(--border);align-items:flex-start;gap:10px;padding:14px 16px;display:flex}.conv-item:hover{background:var(--surface2)}.conv-item.active{background:#4a7cff11}.conv-meta{flex:1;min-width:0}.conv-name{font-size:13px;font-weight:500}.conv-preview{color:var(--text2);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12px;overflow:hidden}.conv-time{color:var(--text2);flex-shrink:0;font-size:11px}.thread-pane{flex-direction:column;flex:1;display:flex}.thread-header{border-bottom:1px solid var(--border);padding:14px 16px;font-size:14px;font-weight:600}.thread-messages{flex-direction:column;flex:1;gap:8px;padding:16px;display:flex;overflow-y:auto}.bubble{border-radius:14px;max-width:65%;padding:10px 14px;font-size:13px;line-height:1.4}.bubble.out{background:var(--accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.bubble.in{background:var(--surface2);color:var(--text);border-bottom-left-radius:4px;align-self:flex-start}.bubble-time{opacity:.6;margin-top:4px;font-size:10px}.bubble-media{cursor:pointer;object-fit:cover;border-radius:10px;max-width:100%;max-height:240px;margin-bottom:6px;display:block}.lightbox-img{border-radius:8px;max-width:90vw;max-height:90vh}.compose{border-top:1px solid var(--border);gap:8px;padding:12px 16px;display:flex}.compose input{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:8px;outline:none;flex:1;padding:8px 12px;font-size:13px}.compose input:focus{border-color:var(--accent)}button{cursor:pointer;border:none;border-radius:8px;outline:none;font-family:inherit;font-size:13px;transition:opacity .15s}button:hover{opacity:.85}.btn{background:var(--accent);color:#fff;padding:8px 16px;font-weight:500}.btn-ghost{background:var(--surface2);color:var(--text);border:1px solid var(--border);padding:8px 12px}.btn-danger{color:var(--red);background:#ef444422;padding:6px 10px}.btn-sm{padding:5px 10px;font-size:12px}.modal-overlay{z-index:100;background:#0008;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;width:380px;padding:24px}.modal h3{margin-bottom:16px;font-size:16px}.field{margin-bottom:14px}.field label{color:var(--text2);margin-bottom:6px;font-size:12px;display:block}.field input{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--text);border-radius:8px;outline:none;padding:9px 12px;font-size:13px}.field input:focus{border-color:var(--accent)}.modal-footer{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.empty{text-align:center;color:var(--text2);padding:40px;font-size:14px}.search-bar{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:8px;outline:none;width:220px;padding:7px 12px;font-size:13px}.search-bar:focus{border-color:var(--accent)}.section-title{margin-bottom:14px;font-size:15px;font-weight:600}.text2{color:var(--text2)}.mt16{margin-top:16px}