:root{
  --bg:#050a07; --panel:#08110c; --panel-2:#0b1811; --line:#163a27; --line-2:#1f5236;
  --text:#c4f2d4; --text-2:#8fbfa2; --muted:#56806a;
  --glow:#3dff8f;                 /* decorative only (UI chrome, radar) */
  --down:#1eb067; --up:#c06a12;   /* data series — validated pair (dark, CVD ΔE 8.2) */
  --warn:#e0a03a; --danger:#ff5a4f; --stamp:#d8473c;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:13px/1.5 var(--mono);letter-spacing:.02em;
  background-image:radial-gradient(1200px 600px at 50% -20%,rgba(61,255,143,.07),transparent 60%);min-height:100vh}
/* CRT scanlines + vignette */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:100;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px),
             radial-gradient(ellipse at center,transparent 60%,rgba(0,0,0,.55));}
.hidden{display:none!important}
.muted{color:var(--muted)} .small{font-size:12px} .sub{color:var(--muted);font-weight:400}
.err{color:var(--danger);min-height:1.2em;margin:.2rem 0}
h2,h3{margin:0;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:var(--text)}
h3{font-size:14px;margin-bottom:12px}

/* frames with corner brackets */
.frame{position:relative;background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line)}
.frame::before,.frame::after{content:"";position:absolute;width:12px;height:12px;border:2px solid var(--glow);opacity:.7;pointer-events:none}
.frame::before{top:-2px;left:-2px;border-right:0;border-bottom:0}
.frame::after{bottom:-2px;right:-2px;border-left:0;border-top:0}
.frame-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px dashed var(--line);flex-wrap:wrap}

.term{margin:0;color:var(--glow);text-shadow:0 0 8px rgba(61,255,143,.45);line-height:1.8}
.cursor{animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}


/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:16px}
.login-card{width:100%;max-width:400px;padding:28px;display:grid;gap:14px}

label{display:grid;gap:6px;font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin:8px 0}
input{background:#030704;border:1px solid var(--line-2);color:var(--text);padding:10px 12px;font:inherit;width:100%;outline:none;letter-spacing:.04em}
input:focus{border-color:var(--glow);box-shadow:0 0 0 1px var(--glow),0 0 12px rgba(61,255,143,.25)}

.btn{appearance:none;border:1px solid var(--line-2);background:transparent;color:var(--text);padding:7px 12px;font:inherit;font-size:11px;
  text-transform:uppercase;letter-spacing:.14em;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  transition:background .15s,border-color .15s,color .15s}
.btn:hover{border-color:var(--glow);color:var(--glow)}
.btn.primary{background:rgba(61,255,143,.1);border-color:var(--glow);color:var(--glow);text-shadow:0 0 6px rgba(61,255,143,.5)}
.btn.primary:hover{background:rgba(61,255,143,.2)}
.btn.danger:hover{border-color:var(--danger);color:var(--danger)}
.btn.sm{padding:4px 8px;font-size:10px}
.btn.wide{width:100%}
.btn:disabled{opacity:.35;cursor:not-allowed}
:focus-visible{outline:1px solid var(--glow);outline-offset:2px}

/* header */
.top{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:12px 24px;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;background:rgba(5,10,7,.92);backdrop-filter:blur(6px)}
.brand{display:flex;align-items:center;gap:12px}
.brand b{font-size:15px;letter-spacing:.24em;color:var(--glow);text-shadow:0 0 10px rgba(61,255,143,.5)}
.brand .sub{display:block;font-size:11px}
.brand-mark{width:30px;height:30px;border:2px solid var(--glow);border-radius:50%;position:relative;box-shadow:0 0 12px rgba(61,255,143,.35)}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:13px;height:2px;background:var(--glow);transform-origin:0 50%;animation:spin 3s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.top-right{display:flex;align-items:center;gap:10px}
.clock{display:grid;text-align:right;line-height:1.2;margin-right:6px}
.clock span:first-child{font-size:16px;color:var(--text);font-variant-numeric:tabular-nums}
.clock .sub{font-size:10px}
.link-state{display:inline-flex;align-items:center;gap:8px;font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--text-2);margin-right:6px}
.link-state i{width:8px;height:8px;border-radius:50%;background:var(--glow);box-shadow:0 0 8px var(--glow);animation:pulse 2s infinite}
.link-state.bad{color:var(--danger)} .link-state.bad i{background:var(--danger);box-shadow:0 0 8px var(--danger)}
@keyframes pulse{50%{opacity:.35}}

/* layout */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;padding:20px 24px 48px;max-width:1500px;margin:0 auto}
.osc{grid-column:span 8} .radar-box{grid-column:span 4}
.metrics{grid-column:span 12} .agents{grid-column:span 12} .log{grid-column:span 12}

/* oscilloscope */
.osc-body{position:relative;height:280px;padding:8px 8px 4px}
.osc-body svg{display:block;width:100%;height:100%;overflow:visible}
.osc-body .grid-line{stroke:var(--line);stroke-width:1}
.osc-body .axis-text{fill:var(--muted);font:10px var(--mono)}
.osc-body .end-label{font:11px var(--mono);fill:var(--text-2)}
.osc-body .cross{stroke:var(--text-2);stroke-width:1;stroke-dasharray:2 3}
.osc-wait{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted)}
.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;color:var(--text-2)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.sw{display:inline-block;width:16px;height:0;border-top:2px solid;vertical-align:middle;margin-right:6px}
.sw.down{border-color:var(--down)} .sw.up{border-color:var(--up);border-top-style:dashed}

/* radar */
.radar-wrap{display:grid;place-items:center;padding:14px}
#radar{width:100%;max-width:300px;aspect-ratio:1}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.metric{background:var(--panel);padding:14px 16px;display:grid;gap:4px}
.metric .label{font-size:10px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);display:flex;align-items:center}
.metric b{font-size:24px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;text-shadow:0 0 12px rgba(61,255,143,.2)}

/* agents table */
.tools{display:flex;gap:8px} .tools input{width:220px;padding:6px 10px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:860px}
th{font-size:10px;text-transform:uppercase;letter-spacing:.16em;color:var(--muted);font-weight:600;text-align:left;padding:10px 16px;border-bottom:1px solid var(--line)}
td{padding:11px 16px;border-bottom:1px dashed var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr{transition:background .15s} tbody tr:hover{background:rgba(61,255,143,.03)}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.code{font-size:10px;color:var(--muted);letter-spacing:.16em}
.name{color:var(--text);font-weight:600}
.row-actions{display:flex;gap:4px;justify-content:flex-end}
.status{display:inline-flex;align-items:center;gap:8px;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-2);white-space:nowrap}
.status i{width:8px;height:8px;border-radius:50%;border:1px solid var(--muted)}
.status.on i{background:var(--glow);border-color:var(--glow);box-shadow:0 0 8px var(--glow);animation:pulse 2s infinite}
.status.off i{border-color:var(--danger);background:transparent;position:relative}
.status.off{color:var(--danger)}
.redact{filter:blur(5px);transition:filter .2s;cursor:help}
.redact:hover,.redact:focus{filter:none}
.spark{display:block}
.empty{text-align:center;padding:48px 20px;display:grid;gap:10px;justify-items:center}

/* log */
.rec{display:inline-flex;align-items:center;gap:6px;color:var(--danger);font-size:10px;letter-spacing:.2em}
.rec i{width:7px;height:7px;border-radius:50%;background:var(--danger);animation:pulse 1.2s infinite}
.log-list{list-style:none;margin:0;padding:10px 16px;max-height:300px;overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:8px 24px;align-content:start}
.log-list li{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;font-size:12px;line-height:1.45;color:var(--text-2)}
.log-list time{color:var(--muted);font-variant-numeric:tabular-nums}
.log-list .tag{font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.log-list .who{grid-column:2;color:var(--text)}
.tag.contact{color:var(--glow)} .tag.lost{color:var(--warn)} .tag.relocate{color:#7fc8ff}
.tag.enlist{color:var(--glow)} .tag.discharge,.tag.error{color:var(--danger)} .tag.boot{color:var(--text-2)}
.log-list li.fresh{animation:incoming 1.2s ease-out}
@keyframes incoming{from{background:rgba(61,255,143,.15)}to{background:transparent}}

/* tooltip */
.tip{position:fixed;z-index:60;pointer-events:none;background:#020503;border:1px solid var(--line-2);padding:8px 10px;font-size:12px;
  color:var(--text);opacity:0;transition:opacity .1s;min-width:150px;box-shadow:0 6px 24px rgba(0,0,0,.5)}
.tip.show{opacity:1}
.tip .t{color:var(--muted);font-size:11px;margin-bottom:4px}
.tip .row{display:flex;justify-content:space-between;gap:16px;align-items:center}
.tip b{font-variant-numeric:tabular-nums}

/* dialogs */
dialog{color:var(--text);padding:24px;width:min(440px,calc(100vw - 32px))}
dialog.wide{width:min(760px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(0,0,0,.75)}
.actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.conf-grid{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:start}
.qr{background:#e8fff0;padding:8px} .qr img{width:100%;display:block}
pre{margin:0;background:#030704;border:1px solid var(--line);padding:12px;max-height:300px;overflow:auto;font:11px/1.5 var(--mono);white-space:pre-wrap;word-break:break-all;color:var(--text-2)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:12px;background:#030704;border:1px solid var(--line);padding:12px;margin-bottom:8px;max-height:260px;overflow:auto}
.kv span:nth-child(odd){color:var(--muted)} .kv span:nth-child(even){word-break:break-all}

.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,20px);background:#020503;border:1px solid var(--glow);color:var(--glow);
  padding:10px 16px;opacity:0;pointer-events:none;transition:.2s;z-index:70;text-transform:uppercase;letter-spacing:.12em;font-size:11px}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:1100px){
  .osc,.radar-box,.agents,.log{grid-column:span 12}
  .radar-box .radar-wrap{padding:10px}
  .metrics{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:700px){
  .top{grid-template-columns:1fr auto;padding:10px 16px}
  .link-state,.clock{display:none}
  .grid{padding:16px 16px 40px;gap:14px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .osc-body{height:220px}
  .tools{width:100%} .tools input{flex:1;width:auto}
  .conf-grid{grid-template-columns:1fr} .qr{max-width:240px;margin:auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::after{animation:none!important;transition:none!important}
}

/* agents table: give names room, keep secondary figures compact */
td.agent{min-width:220px}
td.agent .name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px;display:block}
td.agent .code{white-space:nowrap}
td.small-cell{font-size:11px;color:var(--text-2);white-space:nowrap}
td.small-cell.num{font-size:11px}
td.pos{font-size:11px;white-space:nowrap}
td.agent .code{display:block}
th{white-space:nowrap}
.seg{display:flex;gap:6px;margin-bottom:14px}
.seg .btn.active{border-color:var(--glow);color:var(--glow);background:rgba(61,255,143,.1)}
#conf-hint{margin:0 0 8px}
.tag.repair{color:var(--warn)}
.tag.reissue{color:#7fc8ff}