:root{--bg:#f5f5f4;--panel:#fff;--text:#1c1917;--muted:#78716c;--line:#e7e5e4;--green:#16a34a;--amber:#d97706;--red:#dc2626;--idle:#a8a29e;--bar:#e7e5e4;--accent:#1c1917;--callout:#fef3c7}@media (prefers-color-scheme:dark){:root{--bg:#0c0a09;--panel:#1c1917;--text:#f5f5f4;--muted:#a8a29e;--line:#292524;--green:#22c55e;--amber:#f59e0b;--red:#ef4444;--idle:#57534e;--bar:#292524;--accent:#f5f5f4;--callout:#422006}}*{box-sizing:border-box}[hidden]{display:none!important}body{background:var(--bg);color:var(--text);margin:0;font:14px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}header{border-bottom:1px solid var(--line);background:var(--panel);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}h1{margin:0;font-size:16px}h2{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 8px;font-size:13px;font-weight:600}.who{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}.who span{color:var(--muted)}.status{color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;display:flex}#rec.on{color:var(--red);font-weight:600}#rec.off{color:var(--amber)}#conn.late{color:var(--amber);font-weight:600}button.link{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}label{align-items:center;gap:6px;display:flex}select,button,input[type=text],input[type=password]{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px 12px}select{min-width:240px;max-width:100%}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}button.big{padding:10px 22px;font-size:16px}main{max-width:1200px;margin:0 auto;padding:16px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.narrow{flex-direction:column;gap:16px;max-width:560px;margin:0 auto;display:flex}.form{gap:12px;display:grid}.form label{flex-direction:column;align-items:stretch;gap:4px}.form .row{flex-wrap:wrap;gap:12px;display:flex}.form .row>label{flex:1;min-width:140px}.error{color:var(--red);margin:0}.hint{color:var(--muted);margin:0 0 8px;font-size:13px}.callout{background:var(--callout);border-radius:6px;margin:8px 0 0;padding:8px 10px}.list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.list a{color:inherit}.setup{max-width:720px;margin:0 auto}.lead{color:var(--muted);margin:0 0 16px}.steps{counter-reset:step;margin:0 0 20px;padding:0;list-style:none}.steps>li{counter-increment:step;padding:0 0 18px 40px;position:relative}.steps>li:before{content:counter(step);background:var(--bar);width:26px;height:26px;color:var(--text);border-radius:50%;place-items:center;font-size:13px;font-weight:700;display:grid;position:absolute;top:-2px;left:0}.steps>li.done:before{content:"✓";background:var(--green);color:#fff}.step-title{margin-bottom:4px;font-weight:600}.done-note{color:var(--muted);margin:0;display:none}#step-allow.done button,#step-allow.done .hint{display:none}#step-allow.done .done-note{display:block}.channels{flex-direction:column;gap:6px;display:flex}.chan{border:1px solid var(--line);cursor:pointer;border-radius:8px;grid-template-columns:22px 90px minmax(0,1fr) 72px;align-items:center;gap:10px;padding:6px 8px;display:grid}.chan:has(input:checked){border-color:var(--accent)}.chan .val{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted);font-size:12px}.checks{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.checks li{grid-template-columns:22px minmax(0,1fr);gap:8px;display:grid}.checks li:before{content:"…";color:var(--muted);font-weight:700}.checks li.ok:before{content:"✓";color:var(--green)}.checks li.bad:before{content:"✗";color:var(--red)}.checks li.wait:before{content:"○";color:var(--amber)}#test-file{flex-direction:column;align-items:flex-start;gap:6px;margin-top:10px;display:flex}#monitor{grid-template-columns:minmax(0,1fr) 320px;gap:16px;display:grid}#monitor[hidden]{display:none}@media (width<=800px){#monitor{grid-template-columns:1fr}}.prompt-panel{grid-column:1/-1}.prompt-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.prompt-text{margin:8px 0;font-size:26px;font-weight:600}.prompt-next{color:var(--muted);margin:0}.controls{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.light{align-items:center;gap:24px;min-height:150px;padding:24px;display:flex}.lamp{background:var(--idle);border-radius:50%;flex:none;width:96px;height:96px;transition:background .15s,box-shadow .15s}.light.green .lamp{background:var(--green);box-shadow:0 0 40px color-mix(in srgb, var(--green) 50%, transparent)}.light.amber .lamp{background:var(--amber);box-shadow:0 0 40px color-mix(in srgb, var(--amber) 50%, transparent)}.light.red .lamp{background:var(--red);box-shadow:0 0 60px color-mix(in srgb, var(--red) 60%, transparent)}.light.red{border-color:var(--red)}#headline{margin:0 0 8px;font-size:24px;font-weight:700}#reasons{margin:0 0 8px;padding-left:18px;font-size:15px}.heard{color:var(--muted);margin:0}.meters{flex-direction:column;gap:12px;display:flex}.meter-label{justify-content:space-between;margin-bottom:6px;display:flex}.meter-label b{font-variant-numeric:tabular-nums}.meter-note{color:var(--muted);margin:4px 0 0;font-size:12px}.bar{background:var(--bar);border-radius:4px;height:14px;position:relative;overflow:hidden}.bar .fill{background:var(--green);width:0;transition:width 80ms;position:absolute;inset:0 auto 0 0}.bar.hot .fill{background:var(--red)}.reads{grid-column:1/-1;overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:6px 8px}th{color:var(--muted);font-size:12px;font-weight:500}td{font-variant-numeric:tabular-nums}.dot{background:var(--idle);border-radius:50%;width:12px;height:12px;display:inline-block}.dot.green{background:var(--green)}.dot.amber{background:var(--amber)}.dot.red{background:var(--red)}