:root{--color-primary:#81ecff;--color-primary-dim:#81ecff33;--color-bg:#070e1c;--color-bg-card:#0d1526;--color-bg-card-hover:#111b30;--color-border:#1a2740;--color-text:#e0e8f0;--color-text-dim:#6b7b8f;--color-success:#22c55e;--color-warning:#f59e0b;--color-danger:#ef4444;--font-mono:"JetBrains Mono", "Fira Code", "Consolas", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.header{border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,#0d1526 0%,#0f1a2e 100%);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.header h1{color:var(--color-primary);letter-spacing:1px;font-size:20px;font-weight:600}.header .status-dot{background:var(--color-success);border-radius:50%;width:8px;height:8px;margin-right:8px;animation:2s infinite pulse;display:inline-block}.header .status-dot-off{background:var(--color-warning);animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.stats-bar{gap:16px;padding:16px 24px;display:flex}.stat-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:8px;flex:1;padding:16px 20px;transition:border-color .2s}.stat-card:hover{border-color:var(--color-primary-dim)}.stat-card .label{color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:12px}.stat-card .value{color:var(--color-primary);font-size:28px;font-weight:700;font-family:var(--font-mono)}.main{gap:16px;height:calc(100vh - 160px);padding:0 24px 24px;display:flex}.topic-panel{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;flex-shrink:0;width:260px;display:flex;overflow:hidden}.topic-panel .panel-header{color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--color-border);padding:12px 16px;font-size:13px;font-weight:600}.topic-list{flex:1;padding:8px;overflow-y:auto}.topic-item{cursor:pointer;font-size:13px;font-family:var(--font-mono);color:var(--color-text-dim);white-space:nowrap;text-overflow:ellipsis;border-radius:6px;padding:8px 12px;transition:all .15s;overflow:hidden}.topic-item:hover{background:var(--color-bg-card-hover);color:var(--color-text)}.topic-item.active{background:var(--color-primary-dim);color:var(--color-primary)}.message-panel{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:8px;flex-direction:column;flex:1;display:flex;overflow:hidden}.message-panel .panel-header{color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:12px 16px;font-size:13px;font-weight:600;display:flex}.message-panel .panel-header .auto-refresh{color:var(--color-success);font-size:11px;font-weight:400}.auto-refresh-btn{cursor:pointer;border:1px solid #0000;border-radius:10px;padding:3px 10px;font-family:inherit;font-size:11px;font-weight:500;transition:all .2s}.auto-refresh-on{color:var(--color-success);background:#22c55e18;border-color:#22c55e44}.auto-refresh-on:hover{background:#22c55e30}.auto-refresh-off{color:var(--color-warning);background:#f59e0b18;border-color:#f59e0b44}.auto-refresh-off:hover{background:#f59e0b30}.message-table-wrapper{flex:1;overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}thead{z-index:1;position:sticky;top:0}th{text-align:left;color:var(--color-text-dim);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--color-border);background:#0a1224;padding:10px 12px;font-size:11px;font-weight:600}td{text-overflow:ellipsis;white-space:nowrap;border-bottom:1px solid #0f1a2e;max-width:400px;padding:8px 12px;overflow:hidden}tr:hover td{background:var(--color-bg-card-hover)}.cell-time{color:var(--color-text-dim);font-family:var(--font-mono);white-space:nowrap;font-size:12px}.cell-topic{color:var(--color-primary);font-family:var(--font-mono);font-size:12px}.cell-payload{font-family:var(--font-mono);color:var(--color-text);font-size:12px}.badge{border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.badge-json{color:var(--color-success);background:#22c55e22}.badge-text{color:var(--color-warning);background:#f59e0b22}.badge-binary{color:var(--color-danger);background:#ef444422}.badge-retain{background:var(--color-primary-dim);color:var(--color-primary);margin-left:4px}.pagination{border-top:1px solid var(--color-border);justify-content:center;align-items:center;gap:12px;padding:12px;display:flex}.pagination button{background:var(--color-bg-card-hover);border:1px solid var(--color-border);color:var(--color-text);cursor:pointer;border-radius:4px;padding:6px 16px;font-size:13px;transition:all .15s}.pagination button:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.pagination button:disabled{opacity:.3;cursor:not-allowed}.pagination .page-info{color:var(--color-text-dim);font-size:13px;font-family:var(--font-mono)}.loading,.empty{text-align:center;color:var(--color-text-dim);padding:48px 24px;font-size:14px}.loading:before{content:"";border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:32px;height:32px;margin:0 auto 16px;animation:.8s linear infinite spin;display:block}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#2a3a55}