:root{
    --bg:#0a0e14;
    --bg-1:#0d1218;
    --bg-2:#11171f;
    --bg-3:#161d27;
    --border:#1a212c;
    --border-2:#222a36;
    --text:#e6edf3;
    --muted:#7d8590;
    --faint:#484f58;
    --green:#10b981;
    --green-2:#34d399;
    --red:#ef4444;
    --red-2:#f87171;
    --amber:#f59e0b;
    --blue:#3b82f6;
    --violet:#8b5cf6;
  }
  html,body{background:#05080c;color:var(--text);font-family:'Inter',ui-sans-serif,system-ui,sans-serif;-webkit-font-smoothing:antialiased;}
  .mono{font-family:'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  .stage{background:#05080c;}
  .frame{background:var(--bg);}
  .panel{background:var(--bg);}
  .hairline{border-color:var(--border);}
  .hairline-2{border-color:var(--border-2);}
  .text-muted{color:var(--muted);}
  .text-faint{color:var(--faint);}
  .pos{color:var(--green);}
  .neg{color:var(--red);}
  .warn{color:var(--amber);}
  .eyebrow{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500;}
  .eyebrow-strong{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--text);font-weight:600;}
  .chip{display:inline-flex;align-items:center;gap:6px;padding:2px 8px;border-radius:4px;font-size:10.5px;font-weight:500;letter-spacing:.04em;}
  .chip-green{background:rgba(16,185,129,.10);color:var(--green-2);border:1px solid rgba(16,185,129,.25);}
  .chip-red{background:rgba(239,68,68,.10);color:var(--red-2);border:1px solid rgba(239,68,68,.25);}
  .chip-amber{background:rgba(245,158,11,.10);color:#fbbf24;border:1px solid rgba(245,158,11,.25);}
  .chip-blue{background:rgba(59,130,246,.10);color:#60a5fa;border:1px solid rgba(59,130,246,.25);}
  .chip-neutral{background:rgba(125,133,144,.10);color:var(--muted);border:1px solid var(--border-2);}
  .dot{width:7px;height:7px;border-radius:999px;display:inline-block;}
  .dot-green{background:var(--green);box-shadow:0 0 0 3px rgba(16,185,129,.15);}
  .dot-red{background:var(--red);box-shadow:0 0 0 3px rgba(239,68,68,.15);}
  .dot-amber{background:var(--amber);box-shadow:0 0 0 3px rgba(245,158,11,.15);}
  .pulse{animation:pulse 1.6s ease-out infinite;}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.45);}70%{box-shadow:0 0 0 8px rgba(16,185,129,0);}100%{box-shadow:0 0 0 0 rgba(16,185,129,0);}}
  .row-hover:hover{background:rgba(255,255,255,.02);}
  .row-hover{transition:background .12s ease;}
  table{border-collapse:separate;border-spacing:0;}
  th{font-weight:500;color:var(--muted);font-size:11px;letter-spacing:.04em;text-transform:uppercase;text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);background:#0a0f15;position:sticky;top:0;}
  td{padding:11px 12px;border-bottom:1px solid var(--border);font-size:12.5px;}
  .table-tight th, .table-tight td{padding:8px 10px;font-size:12px;}
  ::-webkit-scrollbar{width:8px;height:8px;}
  ::-webkit-scrollbar-thumb{background:#222a36;border-radius:8px;}
  ::-webkit-scrollbar-track{background:transparent;}
  .gridlines{background-image:linear-gradient(transparent 24px, rgba(255,255,255,.03) 25px);background-size:100% 25px;}
  .scoremeter{height:6px;background:var(--bg-3);border-radius:999px;overflow:hidden;}
  .scoremeter > i{display:block;height:100%;}
  .kbd{font-family:'JetBrains Mono',monospace;font-size:10px;padding:1px 5px;border:1px solid var(--border-2);border-radius:3px;color:var(--muted);background:var(--bg-2);}
  .frame-shadow{box-shadow:0 30px 60px -20px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.04);}
  .stripe-warn{background:repeating-linear-gradient(135deg,transparent 0 6px,rgba(245,158,11,.06) 6px 12px);}
  .stripe-red{background:repeating-linear-gradient(135deg,transparent 0 6px,rgba(239,68,68,.07) 6px 12px);}
  details > summary{list-style:none;cursor:pointer;}
  details > summary::-webkit-details-marker{display:none;}
  .tab-active{color:var(--text);border-bottom:1px solid var(--text);}
  .glow-red{box-shadow:0 0 0 1px rgba(239,68,68,.5),0 0 24px -4px rgba(239,68,68,.4) inset;}
  .blink{animation:blink 1.2s ease-in-out infinite;}
  @keyframes blink{50%{opacity:.45;}}
  .sparkline path{vector-effect:non-scaling-stroke;}
  .sep-y > * + *{border-top:1px solid var(--border);}
  .sep-x > * + *{border-left:1px solid var(--border);}
  .ring-cell{position:relative;}
  .ring-cell::after{content:"";position:absolute;inset:0;pointer-events:none;border-right:1px solid var(--border);}
  .nav-link{color:var(--muted);}
  .nav-link.active{color:var(--text);background:var(--bg-2);}
  input[type=text],input[type=password],input[type=number]{background:var(--bg-1);border:1px solid var(--border);color:var(--text);}
  /* Responsive: collapse the side-by-side stage to a vertical stack on narrow viewports */
  @media (max-width: 1100px){
    .stack-on-narrow{flex-direction:column !important;align-items:stretch !important;}
    .desktop-frame{width:100% !important;}
  }

  /* ========== v2 calm system ========== */
  .hero-num{font-family:'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.01em;}
  .num-xl{font-size:48px;line-height:1.05;}
  .num-lg{font-size:30px;line-height:1.1;}
  .num-md{font-size:20px;line-height:1.2;}
  .num-sm{font-size:14px;line-height:1.3;}
  .label{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-weight:500;}
  .card{background:var(--bg);border:1px solid var(--border);border-radius:8px;}
  .card-quiet{background:transparent;border:1px solid var(--border);border-radius:8px;}
  .row-tap{cursor:pointer;transition:background .15s ease;}
  .row-tap:hover{background:rgba(255,255,255,.025);}
  .expandable[open] summary .chev{transform:rotate(90deg);}
  .chev{display:inline-block;transition:transform .18s ease;color:var(--muted);}
  .progress-track{height:3px;background:var(--bg-3);border-radius:99px;overflow:hidden;position:relative;}
  .progress-marker{position:absolute;top:-3px;width:2px;height:9px;background:#e6edf3;border-radius:1px;}
  .sl-tp-bar{display:flex;align-items:center;gap:6px;}
  .pill-static{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;color:var(--muted);}
  .stripe-divider{height:1px;background:linear-gradient(90deg,transparent,var(--border) 20%,var(--border) 80%,transparent);}
  details.expandable > summary{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;}
  details.expandable[open] > summary{border-bottom:1px solid var(--border);}
  details.expandable .body{padding:16px 18px;}
  .soft-grid{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden;}
  .soft-grid > *{background:var(--bg);}
  .quiet-table th{background:transparent;border-bottom:1px solid var(--border);text-transform:none;letter-spacing:0;font-size:11px;font-weight:500;color:var(--muted);padding:10px 14px;}
  .quiet-table td{border-bottom:1px solid var(--border);padding:14px;font-size:13px;}
  .quiet-table tr:last-child td{border-bottom:0;}