:root {
  --bg: #0d1117;
  --panel: #161b22;
  --card: #1c2430;
  --line: #2d3748;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --green: #3fb950;
  --amber: #d29922;
  --red: #f85149;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace;
}
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg); z-index: 5;
}
.brand { font-weight: 700; letter-spacing: 2px; }
.pill { font-size: 12px; padding: 3px 10px; border-radius: 20px; border: 1px solid var(--line); }
.pill.ok { color: var(--green); border-color: var(--green); }
.pill.bad { color: var(--red); border-color: var(--red); }
.tabs { display: flex; gap: 6px; padding: 10px 16px; border-bottom: 1px solid var(--line);
  position: sticky; top: 47px; background: var(--bg); z-index: 4; }
.tab {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  padding: 7px 14px; border-radius: 8px; cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
main { padding: 18px 16px 40px; max-width: 980px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; }
h2 { color: var(--muted); font-weight: 600; font-size: 14px; text-transform: uppercase;
  letter-spacing: 1px; margin: 4px 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.kpi .k { color: var(--muted); font-size: 12px; }
.kpi .v { font-size: 22px; margin-top: 4px; }
form label { display: block; margin: 8px 0; color: var(--muted); }
form input, form select {
  width: 100%; background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 8px; margin-top: 3px; font: inherit;
}
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
button {
  margin-top: 12px; padding: 9px 18px; border-radius: 8px; border: none; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 600;
}
.msg { margin-left: 12px; color: var(--green); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.hint { color: var(--muted); font-size: 12px; }
.foot { color: var(--muted); font-size: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
@media (max-width: 640px) { .cols { grid-template-columns: 1fr; } }
/* --- W6 additions (UR-1/2/4/7 panels) --- */
.panel h2 { margin-top: 10px; }
.charts .chart-row { background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 10px; margin-bottom: 12px; }
.chart-row .ct { display: flex; justify-content: space-between; align-items: baseline;
  color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.chart-row canvas { width: 100%; height: 130px; display: block; }
.ranges { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.pillbtn { border: 1px solid var(--line); background: transparent; color: var(--muted);
  padding: 2px 9px; border-radius: 14px; cursor: pointer; font-size: 11px; margin-top: 0; }
.pillbtn.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.shelf-grid { display: grid; gap: 8px; margin-top: 8px; }
.rack-head { width: 100%; margin: 14px 0 4px; font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 1px; border-bottom: 1px solid var(--line); padding-bottom: 3px; }
.shelf-hdr { opacity: 0.8; }
.shelf-row { display: flex; gap: 6px; margin: 4px 0; align-items: stretch; }
.shelf-spacer { width: 34px; flex: 0 0 34px; }
.shelf-colh { flex: 1; text-align: center; color: var(--muted); font-size: 11px; padding: 2px 6px; }
.shelf-lbl { width: 34px; flex: 0 0 34px; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 11px; }
.shelf-cell { flex: 1; padding: 8px; border-radius: 8px; min-width: 90px; text-align: center; }
.shelf-cell .v { font-size: 15px; font-weight: 600; }
.slot { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--green);
  border-radius: 8px; padding: 7px 9px; cursor: pointer; font-size: 12px; }
.slot.warn { border-left-color: var(--amber); }
.slot.breach { border-left-color: var(--red); }
.slot.dim { opacity: 0.45; }
.slot b { display: block; font-size: 12px; }
.slot span { color: var(--muted); }
#slot-detail { background: var(--panel); border: 1px dashed var(--line); border-radius: 8px;
  padding: 10px 12px; margin-top: 10px; min-height: 34px; color: var(--muted); }
#pipe-svg { width: 100%; height: auto; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; }
.pipe-flow { fill: none; stroke-width: 7; stroke-linecap: round;
  stroke-dasharray: 3 13; animation: pipedash 1.6s linear infinite; }
@keyframes pipedash { to { stroke-dashoffset: -32; } }
.pipe-node rect { fill: var(--card); stroke: var(--accent); }
.pipe-node text { fill: var(--text); font-size: 10px; font-family: inherit; }
.pipe-val { fill: var(--green); font-size: 10px; }
.stale-tint { opacity: 0.55; }
fieldset.group { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 14px;
  padding: 10px 12px; }
legend { color: var(--accent); padding: 0 8px; letter-spacing: 1px; text-transform: uppercase;
  font-size: 11px; }
.dvalues { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px; margin-top: 8px; }
div > pre.wrap { white-space: pre-wrap; color: var(--muted); }
#ifr3d { width: 100%; height: 520px; border: 1px solid var(--line); border-radius: 10px;
  background: #10151c; }
/* ---- D1 DESIGN SYSTEM OVERRIDE (Helvetica, professional dark) ---- */
:root{--bg:#0B0B0C;--panel:#131315;--card:#1b1b1f;--card2:#222228;--line:#2a2a31;--line2:#34343c;--text:#E8E8E6;--muted:#9a9aa3;--faint:#6f6f78;--accent:#6fb1ff;--accent2:#8bd1ff;--green:#6fd08c;--amber:#e2b04a;--red:#f2674f;--cyan:#62c7c2;--radius:10px;--shadow:0 6px 20px rgba(0,0,0,.45);--ease:cubic-bezier(.2,.7,.2,1);}
body{font-family:Helvetica,Arial,sans-serif!important;background:var(--bg);color:var(--text);letter-spacing:.1px;}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--line2);border-radius:6px}::-webkit-scrollbar-track{background:var(--panel)}
.top{background:linear-gradient(180deg,#0f0f11,#0B0B0C);box-shadow:0 1px 0 var(--line),0 8px 24px rgba(0,0,0,.35);padding:12px 20px;}
.brand{font-weight:700;letter-spacing:3px;font-size:13px;color:var(--text)}
.tabs{background:rgba(11,11,12,.86);backdrop-filter:blur(8px);gap:4px;padding:10px 16px;flex-wrap:wrap;row-gap:6px;}
.tab{transition:all .18s var(--ease);border-color:transparent;background:transparent;font-weight:500;}
.tab:hover{border-color:var(--line2);color:var(--text);transform:translateY(-1px)}
.tab.active{background:linear-gradient(180deg,var(--accent2),var(--accent));border-color:transparent;box-shadow:0 4px 14px rgba(110,177,255,.35)}
main{max-width:1200px;}
.kpi{background:linear-gradient(180deg,var(--card),#141418);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);transition:transform .16s var(--ease),border-color .16s;}
.kpi:hover{transform:translateY(-2px);border-color:var(--line2)}
.kpi .k{font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--faint)}
.kpi .v{font-size:26px;font-weight:600;color:var(--text)}
h2{color:var(--accent2);font-weight:700;letter-spacing:2.2px}
button{transition:all .16s var(--ease);font-family:inherit}
button:not(.pillbtn):not(.tab){background:linear-gradient(180deg,var(--accent),#4d8ce0);box-shadow:0 4px 12px rgba(110,177,255,.25)}
button:not(.pillbtn):not(.tab):hover{filter:brightness(1.08);transform:translateY(-1px)}
form input,form select{background:var(--card2);border:1px solid var(--line2);border-radius:8px;transition:border-color .15s}
form input:focus,form select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(110,177,255,.18)}
table th{font-weight:700;letter-spacing:.6px;text-transform:uppercase;font-size:11px;color:var(--faint)}
table tr:hover td{background:rgba(255,255,255,.02)}
.chart-row{background:linear-gradient(180deg,var(--panel),#101013)!important;border-color:var(--line)!important;box-shadow:var(--shadow)}
.chart-row canvas{border-radius:6px}
.slot{background:linear-gradient(180deg,var(--card),#16161a);box-shadow:var(--shadow);transition:transform .14s var(--ease),opacity .2s}
.slot:hover{transform:translateY(-2px) scale(1.01)}
fieldset.group{background:rgba(255,255,255,.015)}
#ifr3d{background:#0B0B0C;box-shadow:var(--shadow)}
.foot{color:var(--faint)}
.muted{color:var(--muted)}

@keyframes pub { from { opacity:0; transform:translateY(-6px) } to { opacity:1; transform:none } }