:root{--bg: #0f1419;--panel: #1a222c;--line: #2c3846;--text: #e8eef4;--muted: #8b9aab;--accent: #3d9a6a;--warn: #c9883a;--danger: #c45c5c;font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at 10% -10%,#1c2a24,transparent),radial-gradient(900px 500px at 100% 0%,#1a2433,transparent),var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}#root{max-width:1400px;margin:0 auto;padding:24px 20px 48px}h1{font-family:"IBM Plex Serif",Georgia,serif;font-weight:600;font-size:1.75rem;margin:0 0 .25rem;letter-spacing:-.02em}.sub{color:var(--muted);margin:0 0 1.5rem;font-size:.95rem}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:1.25rem}.toolbar label{display:flex;flex-direction:column;gap:4px;font-size:.75rem;color:var(--muted);min-width:220px;flex:1}input,textarea,button{font:inherit}input,textarea{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:8px 10px}button{background:var(--accent);color:#04140c;border:0;border-radius:6px;padding:9px 14px;font-weight:600;cursor:pointer}button.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}button.secondary.danger{border-color:color-mix(in srgb,var(--danger) 55%,var(--line));color:#f0b0b0}button:disabled{opacity:.5;cursor:not-allowed}.grid{display:grid;grid-template-columns:1fr 280px;gap:16px}@media(max-width:900px){.grid{grid-template-columns:1fr}}.panel{background:color-mix(in srgb,var(--panel) 92%,transparent);border:1px solid var(--line);border-radius:10px;overflow:hidden}.panel h2{margin:0;padding:12px 14px;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line)}table{width:100%;border-collapse:collapse;font-size:.85rem}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:500;font-size:.75rem}.msg-text{min-width:320px;max-width:720px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;line-height:1.5;max-height:12rem;overflow-y:auto}.badge{display:inline-block;padding:2px 7px;border-radius:4px;font-size:.7rem;font-weight:600}.badge.on{background:color-mix(in srgb,var(--accent) 25%,transparent);color:#9de0b8}.badge.off{background:color-mix(in srgb,var(--danger) 25%,transparent);color:#f0b0b0}.badge.warn{background:color-mix(in srgb,var(--warn) 25%,transparent);color:#f0d0a0}.device{padding:12px 14px;border-bottom:1px solid var(--line)}.device:last-child{border-bottom:0}.reply-box{padding:12px 14px;display:flex;flex-direction:column;gap:8px}.reply-note{color:var(--muted);font-size:.75rem;line-height:1.4}.conn{font-size:.8rem;margin-bottom:1rem}.err{color:#f0b0b0;font-size:.85rem;margin-bottom:1rem}