*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#11131D;--card:#212430;--border:rgba(255,255,255,.08);--surface:rgba(255,255,255,.04);--text:#fff;--dim:#717680;--accent:#0080F6;--green:#36B37E;--red:#FF5630;--yellow:#FFAB00;--purple:#6554C0}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,monospace;height:100vh;overflow:hidden;display:flex;flex-direction:column}
.header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--border)}
.header-left{display:flex;align-items:center;gap:10px}
.logo{font-size:15px;font-weight:800;color:var(--accent);letter-spacing:1px}
.subtitle{font-size:12px;color:var(--dim)}
.header-right{display:flex;align-items:center;gap:12px}
.status-chip{display:flex;align-items:center;gap:5px;padding:3px 8px;border-radius:10px;background:rgba(54,179,126,.12);font-size:10px;font-weight:700;color:var(--green)}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.status-chip.off{background:rgba(255,86,48,.12);color:var(--red)}
.status-chip.off .status-dot{background:var(--red);animation:none}
.status-chip.paused{background:rgba(255,171,0,.12);color:var(--yellow)}
.status-chip.paused .status-dot{background:var(--yellow);animation:none}
.log-count{font-size:12px;color:var(--dim);font-weight:600}
.toolbar{display:flex;align-items:center;justify-content:space-between;padding:6px 16px;background:var(--card);border-bottom:1px solid var(--border);gap:8px;flex-wrap:wrap}
.tabs{display:flex;gap:3px}
.tab{padding:5px 12px;border-radius:6px;border:none;background:var(--surface);color:var(--dim);font-size:11px;font-weight:600;cursor:pointer}
.tab:hover{background:rgba(255,255,255,.08);color:var(--text)}
.tab.active{background:rgba(0,128,246,.15);color:var(--accent);outline:1px solid rgba(0,128,246,.3)}
.actions{display:flex;align-items:center;gap:6px}
.search{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:5px 10px;font-size:11px;color:var(--text);width:160px;outline:none;font-family:inherit}
.search:focus{border-color:var(--accent)}
.search::placeholder{color:var(--dim)}
.select{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:11px;color:var(--text);outline:none;font-family:inherit}
.btn{padding:5px 10px;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--dim);font-size:11px;font-weight:600;cursor:pointer}
.btn:hover{background:rgba(255,255,255,.08);color:var(--text)}
.btn-red{background:rgba(255,86,48,.1);color:var(--red);border-color:rgba(255,86,48,.2)}
.log-wrap{flex:1;overflow:hidden}
.log-list{height:100%;overflow-y:auto;padding:4px 0}
.log-list::-webkit-scrollbar{width:5px}
.log-list::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}
.row{display:flex;align-items:flex-start;padding:5px 16px;gap:10px;border-bottom:1px solid var(--border);font-size:11px}
.row:hover{background:var(--surface)}
.row.new{animation:fadeIn .2s}
@keyframes fadeIn{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}
.r-time{color:var(--dim);font-size:9px;min-width:70px;padding-top:2px}
.r-type{display:inline-flex;padding:1px 6px;border-radius:3px;font-size:9px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;min-width:50px;justify-content:center}
.r-type.log{background:rgba(255,255,255,.05);color:var(--dim)}
.r-type.rfid_tag{background:rgba(54,179,126,.12);color:var(--green)}
.r-type.rfid_status{background:rgba(0,128,246,.12);color:var(--accent)}
.r-type.mqtt{background:rgba(101,84,192,.12);color:var(--purple)}
.r-type.error{background:rgba(255,86,48,.12);color:var(--red)}
.r-dev{color:var(--dim);font-size:9px;min-width:50px;max-width:80px;overflow:hidden;text-overflow:ellipsis}
.r-msg{flex:1;font-family:'SF Mono','Fira Code',monospace;font-size:11px;word-break:break-all;line-height:1.4}
.r-data{margin-top:3px;padding:4px 8px;background:rgba(0,0,0,.3);border-radius:4px;font-size:10px;color:var(--dim);white-space:pre-wrap;word-break:break-all}
.rfid-row{display:flex;align-items:center;padding:6px 16px;gap:12px;border-bottom:1px solid var(--border);font-size:11px}
.rfid-row:nth-child(even){background:var(--surface)}
.rfid-epc{flex:1;font-family:monospace;font-weight:600;letter-spacing:.4px}
.rfid-tid{color:var(--dim);font-size:10px;font-family:monospace}
.rfid-rssi{width:70px;text-align:center}
.rssi-bar{width:44px;height:3px;background:rgba(255,255,255,.05);border-radius:2px;overflow:hidden;margin:0 auto 2px}
.rssi-fill{height:100%;border-radius:2px}
.rfid-ant{width:32px;text-align:center;font-weight:700;color:var(--dim)}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:6px;padding:40px}
.empty-icon{font-size:36px;opacity:.3}
.empty-title{font-size:14px;font-weight:700;color:var(--dim)}
.empty-sub{font-size:12px;color:var(--dim);opacity:.6}
.jump{position:fixed;bottom:16px;right:16px;padding:6px 14px;background:var(--accent);color:#fff;border:none;border-radius:16px;font-size:11px;font-weight:700;cursor:pointer;box-shadow:0 3px 10px rgba(0,128,246,.3);z-index:10}
.hidden{display:none}
@media(max-width:768px){.toolbar{flex-direction:column;align-items:stretch}.actions{flex-wrap:wrap}.search{width:100%}.r-dev{display:none}}