/* ==========================================================
   VectorVu product demo: a faithful mock of the real app,
   scoped under .vvapp (tokens from the app's own stylesheet)
   ========================================================== */
.vvapp {
  --va-bg: #0f131a; --va-panel: #161b24; --va-panel2: #1c2230; --va-line: #2a3242; --va-text: #e6e9ef; --va-muted: #98a2b3;
  --va-accent: #f5a524; --va-blue: #5b8def; --va-ok: #2fd27a; --va-off: #8a94a6; --va-bad: #ff4d4f; --va-warn: #ffb020; --va-unk: #5b6575;
  --va-r: 8px;
  --va-font: "Segoe UI", Inter, system-ui, -apple-system, Roboto, sans-serif;
  --va-mono: "Cascadia Mono", "JetBrains Mono", Consolas, monospace;
  --va-viewer: radial-gradient(ellipse at 50% 30%, #1d2533, #0c0f14);
  position: relative; display: flex; flex-direction: column; height: 760px; overflow: hidden;
  background: var(--va-bg); color: var(--va-text); font: 13.5px/1.45 var(--va-font); text-align: left;
  border-radius: 16px; border: 1px solid var(--border-strong, #2a3242);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(47,207,247,.06) inset;
  color-scheme: dark; isolation: isolate;
}
.vvapp[data-theme="light"] {
  --va-bg: #eef1f5; --va-panel: #ffffff; --va-panel2: #f5f7fa; --va-line: #d9dee7; --va-text: #1b2230; --va-muted: #5d6778; --va-unk: #b5bdc9;
  --va-viewer: radial-gradient(ellipse at 50% 30%, #ffffff, #dfe4ec);
  color-scheme: light;
}
.vvapp *, .vvapp *::before, .vvapp *::after { box-sizing: border-box; }
.vvapp button, .vvapp select, .vvapp input { font: inherit; color: inherit; }
.vvapp button { cursor: pointer; }
.vvapp a { color: var(--va-blue); text-decoration: none; }
.vvapp a:hover { text-decoration: underline; }
.vvapp [hidden] { display: none !important; }
.vvapp h2, .vvapp h3, .vvapp h4, .vvapp h5 { font-family: var(--va-font); letter-spacing: 0; }
.vvapp .mono { font-family: var(--va-mono); font-size: 12px; }
.vvapp ::-webkit-scrollbar { width: 8px; height: 8px; }
.vvapp ::-webkit-scrollbar-thumb { background: var(--va-line); border-radius: 8px; }

/* top bar */
.va-top { display: flex; align-items: center; gap: 12px; padding: 7px 12px; background: var(--va-panel); border-bottom: 1px solid var(--va-line); flex-wrap: wrap; position: relative; z-index: 6; }
.va-brand { display: flex; align-items: center; gap: 9px; min-width: 0; }
.va-brand img { height: 15px; width: auto; }
.vvapp[data-theme="light"] .va-brand img.l { display: none; }
.vvapp:not([data-theme="light"]) .va-brand img.d { display: none; }
.va-brand b { display: block; font-size: 13px; line-height: 1.1; }
.va-brand small { display: block; color: var(--va-muted); font-size: 11px; white-space: nowrap; }
.va-sel { display: flex; flex-direction: column; font-size: 10.5px; color: var(--va-muted); }
.va-sel select { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 3px 6px; min-width: 120px; font-size: 12.5px; }
.va-seg { display: inline-flex; border: 1px solid var(--va-line); border-radius: 6px; overflow: hidden; flex: none; }
.va-seg button { background: var(--va-panel2); border: 0; padding: 5px 11px; color: var(--va-muted); font-size: 12.5px; }
.va-seg button.on { background: var(--va-accent); color: #1a1205; font-weight: 600; }
.va-pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 99px; background: var(--va-panel2); border: 1px solid var(--va-line); font-size: 11.5px; color: var(--va-muted); white-space: nowrap; max-width: 250px; overflow: hidden; text-overflow: ellipsis; }
.va-pill.sim { border-style: dashed; border-color: color-mix(in srgb, var(--va-accent) 60%, transparent); }
.va-pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--va-unk); flex: none; }
.va-pill.ok i { background: var(--va-ok); box-shadow: 0 0 6px var(--va-ok); } .va-pill.sim i { background: var(--va-accent); } .va-pill.bad i { background: var(--va-bad); }
.va-search { position: relative; flex: 1; min-width: 160px; max-width: 420px; margin-left: auto; }
.va-search input { width: 100%; background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 5px 9px; font-size: 12.5px; }
.va-results { position: absolute; z-index: 50; top: 34px; left: 0; right: 0; background: var(--va-panel); border: 1px solid var(--va-line); border-radius: var(--va-r); box-shadow: 0 12px 30px rgba(0,0,0,.35); max-height: 340px; overflow: auto; padding-bottom: 4px; }
.va-results h4 { margin: 8px 12px 4px; font-size: 10.5px; text-transform: uppercase; color: var(--va-muted); letter-spacing: .05em; }
.va-results button { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 5px 12px; font-size: 12.5px; }
.va-results button:hover { background: var(--va-panel2); }
.va-tbtn { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 4px 9px; font-size: 12.5px; display: inline-flex; align-items: center; gap: 5px; }
.va-tbtn:hover { border-color: var(--va-muted); }
.va-tbtn.on { border-color: var(--va-blue); color: var(--va-blue); }
.va-tbtn svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* body grid */
.va-body { position: relative; display: grid; grid-template-columns: 310px minmax(0, 1fr) auto; flex: 1; min-height: 0; }
.va-left { background: var(--va-panel); border-right: 1px solid var(--va-line); display: flex; flex-direction: column; min-height: 0; }
.va-tabs { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--va-line); padding: 0 4px; }
.va-tabs button { background: none; border: 0; padding: 8px 5px; color: var(--va-muted); border-bottom: 2px solid transparent; font-size: 12px; }
.va-tabs button.on { color: var(--va-text); border-bottom-color: var(--va-accent); }
.va-badge { display: inline-block; min-width: 16px; padding: 0 4px; border-radius: 9px; background: var(--va-bad); color: #fff; font-size: 10.5px; text-align: center; line-height: 16px; margin-left: 2px; }
.va-badge.warn { background: var(--va-warn); color: #1a1205; }
.va-tabbody { overflow: auto; padding: 10px; flex: 1; min-height: 0; overscroll-behavior: contain; }
.va-center { position: relative; min-width: 0; min-height: 0; }
.va-right { width: 420px; background: var(--va-panel); border-left: 1px solid var(--va-line); overflow: auto; position: relative; padding: 12px 14px 40px; min-height: 0; overscroll-behavior: contain; }
.va-close { position: sticky; top: 0; float: right; background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; width: 28px; height: 28px; font-size: 17px; line-height: 1; z-index: 2; }
.vvapp.is-narrow .va-body { grid-template-columns: 290px minmax(0, 1fr); }
.vvapp.is-narrow .va-right { position: absolute; right: 0; top: 0; bottom: 0; z-index: 8; width: min(420px, 100%); box-shadow: -20px 0 40px rgba(0,0,0,.4); }

/* viewer */
.va-viewer { position: absolute; inset: 0; overflow: hidden; background: var(--va-viewer); touch-action: none; }
.va-viewer canvas { display: block; width: 100% !important; height: 100% !important; }
.va-vtool { position: absolute; top: 8px; left: 8px; right: 8px; display: flex; gap: 5px; flex-wrap: wrap; z-index: 3; pointer-events: none; }
.va-vtool > * { pointer-events: auto; background: color-mix(in srgb, var(--va-panel) 88%, transparent); border: 1px solid var(--va-line); border-radius: 6px; padding: 3px 8px; font-size: 12px; }
.va-chk { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; user-select: none; }
.va-chk input { accent-color: var(--va-blue); margin: 0; }
.va-vstatus { position: absolute; bottom: 8px; left: 8px; font-size: 11.5px; color: var(--va-muted); background: color-mix(in srgb, var(--va-panel) 80%, transparent); padding: 3px 8px; border-radius: 6px; z-index: 3; }
.va-legend { position: absolute; bottom: 8px; right: 8px; display: flex; gap: 9px; font-size: 11px; color: var(--va-muted); background: color-mix(in srgb, var(--va-panel) 80%, transparent); padding: 3px 8px; border-radius: 6px; z-index: 3; }
.va-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; vertical-align: -0.5px; }
.va-center.has-dock .va-simtag { right: auto; left: 10px; bottom: 36px; }
.va-simtag { position: absolute; right: 10px; bottom: 36px; z-index: 4; padding: 5px 11px; border-radius: 8px; background: rgba(255,176,32,.95); color: #160f02; font-weight: 700; font-size: 12.5px; box-shadow: 0 6px 16px rgba(0,0,0,.35); pointer-events: none; }
.va-labels { position: absolute; inset: 0; pointer-events: none; z-index: 2; overflow: hidden; }
.va-label { position: absolute; left: 0; top: 0; transform: translate(-50%, -130%); background: rgba(12,15,20,.86); color: #fff; border: 1px solid #3b4558; border-radius: 4px; padding: 0 6px; font: 11px/1.6 var(--va-mono); white-space: nowrap; }
.va-label.focus { background: var(--va-warn); color: #1a1205; border-color: transparent; font-weight: 700; font-size: 12px; z-index: 2; }
.va-label.suspect { border-color: var(--va-bad); color: #ffb3b4; }
.va-label.cam { background: var(--va-blue); border-color: transparent; font-family: var(--va-font); font-weight: 600; }
.va-label.meas { background: var(--va-warn); color: #1a1205; border-color: transparent; font-weight: 700; transform: translate(0, -50%); }
.va-pick { position: absolute; top: 40px; left: 8px; width: 300px; max-width: calc(100% - 16px); background: var(--va-panel); border: 1px solid var(--va-line); border-radius: var(--va-r); padding: 9px 11px; z-index: 4; box-shadow: 0 10px 28px rgba(0,0,0,.3); font-size: 12.5px; }
.va-pick h4 { margin: 0 0 4px; font-size: 13.5px; }
.va-kv { display: grid; grid-template-columns: 84px 1fr; gap: 2px 8px; color: var(--va-muted); }
.va-kv b { color: var(--va-text); font-weight: 500; }
.va-through { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; align-items: center; gap: 10px; background: var(--va-blue); color: #fff; border-radius: 99px; padding: 4px 6px 4px 14px; font-size: 12.5px; font-weight: 600; box-shadow: 0 8px 20px rgba(0,0,0,.35); }
.va-through button { background: rgba(255,255,255,.2); border: 0; border-radius: 99px; padding: 2px 10px; color: #fff; }
.va-ctx { position: absolute; z-index: 9; min-width: 190px; background: var(--va-panel); border: 1px solid var(--va-line); border-radius: var(--va-r); box-shadow: 0 12px 30px rgba(0,0,0,.45); padding: 4px; }
.va-ctx-title { padding: 6px 10px 4px; font-size: 11px; color: var(--va-muted); text-transform: uppercase; letter-spacing: .05em; }
.va-ctx button { display: block; width: 100%; text-align: left; background: none; border: 0; border-radius: 5px; padding: 6px 10px; font-size: 12.5px; }
.va-ctx button:hover { background: var(--va-panel2); }
.va-ctx button:disabled { color: var(--va-muted); cursor: default; }

/* lists & cards */
.va-empty { color: var(--va-muted); padding: 18px 6px; text-align: center; }
.va-filter { display: flex; gap: 6px; margin-bottom: 8px; }
.va-filter input, .va-filter select { flex: 1; min-width: 0; background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 4px 8px; font-size: 12.5px; }
.va-card { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: var(--va-r); padding: 8px 10px; margin-bottom: 7px; cursor: pointer; border-left: 4px solid var(--fam, var(--va-line)); transition: border-color .2s; }
.va-card:hover { border-color: var(--va-muted); border-left-color: var(--fam, var(--va-muted)); }
.va-card.sel { outline: 2px solid var(--va-accent); outline-offset: -1px; }
.va-card.flash { animation: vaFlash 1s ease-out 2; }
@keyframes vaFlash { 50% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--va-bad) 45%, transparent); } }
.va-card h5 { margin: 0; font-size: 13.5px; font-weight: 700; }
.va-sub { color: var(--va-muted); font-size: 11.5px; }
.va-chips { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 4px; }
.va-chip { display: inline-flex; align-items: center; gap: 4px; padding: 0 7px; border-radius: 99px; font-size: 11px; line-height: 18px; background: var(--va-panel); border: 1px solid var(--va-line); color: var(--va-muted); white-space: nowrap; }
.va-chip.fam { border-color: transparent; background: color-mix(in srgb, var(--fam) 22%, transparent); color: var(--va-text); }
.va-chip.pass { color: var(--va-ok); border-color: color-mix(in srgb, var(--va-ok) 40%, transparent); }
.va-chip.fail { color: var(--va-bad); border-color: color-mix(in srgb, var(--va-bad) 50%, transparent); }
.va-chip.warn { color: var(--va-warn); border-color: color-mix(in srgb, var(--va-warn) 45%, transparent); }
.va-chip.proj { color: var(--va-blue); border-color: color-mix(in srgb, var(--va-blue) 50%, transparent); border-style: dashed; }
.va-group { margin: 12px 2px 5px; font-size: 10.5px; color: var(--va-muted); text-transform: uppercase; letter-spacing: .05em; }
.va-row { display: grid; grid-template-columns: 14px minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.va-row:hover { background: var(--va-panel2); }
.va-row .t { font-family: var(--va-mono); font-size: 11.5px; }
.va-row .n { color: var(--va-muted); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.va-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--va-unk); display: inline-block; flex: none; }
.va-dot.on { background: var(--va-ok); box-shadow: 0 0 6px var(--va-ok); } .va-dot.off { background: var(--va-off); } .va-dot.bad { background: var(--va-bad); animation: vaPulse 1s infinite; }
@keyframes vaPulse { 50% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--va-bad) 30%, transparent); } }
.va-conf { font-size: 10px; padding: 0 5px; border-radius: 4px; border: 1px solid var(--va-line); color: var(--va-muted); }
.va-conf.ok { color: var(--va-ok); border-color: color-mix(in srgb, var(--va-ok) 40%, transparent); }

.va-simbox { border: 1px dashed var(--va-accent); border-radius: var(--va-r); padding: 8px 10px; margin-bottom: 10px; font-size: 12.5px; }
.va-simbox select { width: 100%; margin: 6px 0; background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 4px; font-size: 12.5px; }
.va-flags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }
.va-states { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-bottom: 10px; }
.va-st { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 5px 7px; font-size: 11px; color: var(--va-muted); min-width: 0; }
.va-st b { display: block; color: var(--va-text); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.va-st.bad { border-color: color-mix(in srgb, var(--va-bad) 60%, transparent); }
.va-st.bad b { color: var(--va-bad); }
.va-val { display: grid; grid-template-columns: minmax(0, 1fr) auto 26px; gap: 6px; align-items: center; padding: 4px 2px; border-bottom: 1px solid var(--va-line); font-size: 12px; }
.va-val span { color: var(--va-muted); }
.va-val b { font-family: var(--va-mono); font-weight: 600; font-size: 12px; white-space: nowrap; }
.va-eye { width: 24px; height: 22px; border-radius: 5px; border: 1px solid var(--va-line); background: var(--va-panel2); color: var(--va-muted); display: grid; place-items: center; padding: 0; }
.va-eye svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }
.va-eye.on { background: var(--va-warn); border-color: transparent; color: #1a1205; }
.va-eqcard { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: var(--va-r); padding: 7px 10px; margin-bottom: 6px; cursor: pointer; }
.va-eqcard:hover { border-color: var(--va-muted); }
.va-eqcard h5 { margin: 0; font-size: 13px; }
.va-note { font-size: 12px; color: var(--va-muted); background: var(--va-panel2); border: 1px dashed var(--va-line); border-radius: 6px; padding: 6px 9px; margin-bottom: 8px; }
.va-ev { display: grid; grid-template-columns: 62px 1fr; gap: 6px; font-size: 12px; padding: 3px 4px; border-bottom: 1px solid var(--va-line); }
.va-ev .ts { color: var(--va-muted); font-family: var(--va-mono); font-size: 11px; }
.va-ev.alarm { color: var(--va-bad); } .va-ev.clear { color: var(--va-ok); }
.va-ev .on { color: var(--va-ok); font-weight: 700; } .va-ev .off { color: var(--va-off); font-weight: 700; }
.va-net { display: grid; grid-template-columns: 12px 96px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 5px 4px; border-bottom: 1px solid var(--va-line); font-size: 12px; }
.va-net .n { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.va-net .ok { color: var(--va-ok); font-size: 10.5px; font-weight: 700; } .va-net .no { color: var(--va-bad); font-size: 10.5px; font-weight: 700; }
.va-pm { --st: var(--va-off); border-left-color: var(--st); }
.va-pm.overdue { --st: var(--va-bad); } .va-pm.soon { --st: var(--va-warn); }
.va-bar { height: 5px; border-radius: 4px; background: var(--va-line); overflow: hidden; margin: 6px 0 3px; }
.va-bar i { display: block; height: 100%; background: var(--va-ok); border-radius: 4px; transition: width .9s cubic-bezier(.2,.8,.2,1); }
.va-pm.soon .va-bar i { background: var(--va-warn); } .va-pm.overdue .va-bar i { background: var(--va-bad); }
.va-pmnum { display: flex; justify-content: space-between; font-size: 11px; color: var(--va-muted); font-variant-numeric: tabular-nums; }

/* detail panel */
.va-eyebrow { font-size: 11.5px; color: var(--va-muted); }
.va-dh h2 { margin: 2px 36px 4px 0; font-size: 18px; line-height: 1.25; font-weight: 700; }
.va-dh h2.mono { font-size: 16px; }
.va-dh p { margin: 6px 0 0; }
.va-sec { margin-top: 15px; }
.va-sec > h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--va-muted); margin: 0 0 6px; display: flex; align-items: center; gap: 8px; font-weight: 600; }
.va-sec > h3 .sp { flex: 1; height: 1px; background: var(--va-line); }
.va-check { display: grid; grid-template-columns: 20px 1fr; gap: 6px; padding: 5px 8px; border-radius: 6px; background: var(--va-panel2); margin-bottom: 5px; border: 1px solid var(--va-line); transition: border-color .3s, background-color .3s; }
.va-check .ic { font-weight: 800; text-align: center; }
.va-check.pass .ic { color: var(--va-ok); } .va-check.fail { border-color: color-mix(in srgb, var(--va-bad) 60%, transparent); } .va-check.fail .ic { color: var(--va-bad); } .va-check.unknown .ic { color: var(--va-muted); }
.va-check small { display: block; color: var(--va-muted); font-family: var(--va-mono); font-size: 11px; }
.va-check.flip { animation: vaGreen 1.2s ease-out; }
@keyframes vaGreen { 0% { background: color-mix(in srgb, var(--va-ok) 35%, var(--va-panel2)); } }
.va-fixed { margin: 8px 0 0; padding: 8px 10px; border-radius: 6px; background: color-mix(in srgb, var(--va-ok) 14%, transparent); border: 1px solid color-mix(in srgb, var(--va-ok) 45%, transparent); font-size: 12.5px; display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.va-steps { padding-left: 0; list-style: none; margin: 0; counter-reset: s; }
.va-steps li { counter-increment: s; display: grid; grid-template-columns: 24px 1fr; gap: 6px; padding: 4px 0; border-bottom: 1px dashed var(--va-line); cursor: pointer; }
.va-steps li::before { content: counter(s); width: 20px; height: 20px; border-radius: 50%; background: var(--va-panel2); border: 1px solid var(--va-line); display: grid; place-items: center; font-size: 11px; color: var(--va-muted); }
.va-steps li.done { opacity: .5; text-decoration: line-through; }
.va-steps li.done::before { content: "\2713"; color: var(--va-ok); }
.va-steps .va-chip { margin-left: 4px; text-decoration: none; }
.va-causes { margin: 0; padding-left: 18px; list-style: disc; }
.va-details ol { list-style: decimal; }
.va-causes li { margin: 2px 0; }
.va-details { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: var(--va-r); padding: 5px 10px; margin-bottom: 6px; }
.va-details summary { cursor: pointer; font-weight: 600; font-size: 12.5px; }
.va-details ol { margin: 6px 0 4px; padding-left: 18px; }
.va-refs a { display: flex; gap: 8px; align-items: baseline; padding: 3px 0; }
.va-refs a .pg { font-size: 11px; color: var(--va-muted); white-space: nowrap; }
.va-dev { display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 5px 8px; border: 1px solid var(--va-line); border-radius: 6px; margin-bottom: 5px; background: var(--va-panel2); }
.va-dev .meta { font-size: 11px; color: var(--va-muted); }
.va-acts { display: flex; gap: 4px; }
.va-btn { background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 3px 8px; font-size: 12px; white-space: nowrap; }
.va-btn:hover { border-color: var(--va-muted); }
.va-btn.primary { background: var(--va-accent); color: #1a1205; border-color: transparent; font-weight: 600; }
.va-btn.blue { color: var(--va-blue); font-family: var(--va-mono); font-size: 11.5px; }
.va-kvt { display: grid; grid-template-columns: 108px 1fr; gap: 3px 10px; font-size: 12.5px; margin: 0; }
.va-kvt dt { color: var(--va-muted); } .va-kvt dd { margin: 0; overflow-wrap: anywhere; }
.va-rung { font-family: var(--va-mono); font-size: 11.5px; background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 6px 8px; overflow-wrap: anywhere; }
.va-rung .t { color: var(--va-ok); } .va-rung .f { color: var(--va-bad); font-weight: 700; } .va-rung .u { color: var(--va-muted); }
.va-xref { border: 1px solid var(--va-line); border-radius: 6px; overflow: hidden; }
.va-xref a { display: grid; grid-template-columns: 50px 1fr auto; gap: 8px; padding: 5px 8px; border-top: 1px solid var(--va-line); color: var(--va-text); font-size: 12px; align-items: baseline; }
.va-xref a:first-child { border-top: 0; }
.va-xref a:hover { background: var(--va-panel2); text-decoration: none; }
.va-xref a.wired { box-shadow: inset 3px 0 0 var(--va-accent); }
.va-xref .sh { font-family: var(--va-mono); color: var(--va-blue); }
.va-xref small { color: var(--va-accent); font-size: 10.5px; margin-left: 6px; }
.va-xref .pg { color: var(--va-muted); font-size: 11px; }
.va-also { margin-top: 6px; font-size: 11.5px; color: var(--va-muted); display: flex; gap: 5px; flex-wrap: wrap; align-items: center; }
.va-also a { border: 1px solid var(--va-line); border-radius: 99px; padding: 0 7px; font-size: 11px; }
.va-train { border: 1px dashed var(--va-accent); border-radius: var(--va-r); padding: 8px 10px; }

/* camera dock */
.va-dock { position: absolute; right: 8px; bottom: 34px; z-index: 6; background: var(--va-panel); border: 1px solid var(--va-line); border-radius: var(--va-r); box-shadow: 0 16px 40px rgba(0,0,0,.5); max-width: calc(100% - 16px); }
.va-dockbar { display: flex; align-items: center; gap: 6px; padding: 5px 8px; font-size: 12px; border-bottom: 1px solid var(--va-line); }
.va-dockbar .sp { flex: 1; }
.va-camnum { width: 22px; height: 22px; border-radius: 5px; border: 1px solid var(--va-line); background: var(--va-panel2); font-size: 11.5px; padding: 0; }
.va-camnum.on { background: var(--va-blue); border-color: transparent; color: #fff; }
.va-pips { display: flex; gap: 6px; padding: 6px; overflow-x: auto; }
.va-pip { width: 250px; flex: none; border: 1px solid var(--va-line); border-radius: 6px; overflow: hidden; background: #000; }
.va-pip.flash { animation: vaPipFlash .9s ease-out; }
@keyframes vaPipFlash { 0% { box-shadow: 0 0 0 3px var(--va-warn); } }
.va-piphead { display: flex; align-items: center; gap: 6px; padding: 3px 6px; background: var(--va-panel2); font-size: 11.5px; }
.va-piphead .num { background: var(--va-blue); color: #fff; border-radius: 4px; padding: 0 5px; font-weight: 700; font-size: 10.5px; }
.va-piphead .sp { flex: 1; }
.va-piphead button { background: none; border: 0; padding: 0 3px; color: var(--va-muted); }
.va-pip canvas { display: block; width: 100%; aspect-ratio: 16 / 9; }
.va-pipfoot { padding: 2px 6px; font-size: 10.5px; color: var(--va-muted); background: var(--va-panel2); }

/* floating windows: HMI, drawing */
.va-win { position: absolute; inset: 10px; z-index: 7; background: var(--va-panel); border: 1px solid var(--va-line); border-radius: 10px; box-shadow: 0 24px 60px rgba(0,0,0,.6); display: flex; flex-direction: column; overflow: hidden; }
.va-win.control { border: 2px solid var(--va-accent); }
.va-winhead { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-bottom: 1px solid var(--va-line); font-size: 12.5px; flex-wrap: wrap; }
.va-winhead b { font-size: 13px; }
.va-winhead .sp { flex: 1; }
.va-winbody { flex: 1; min-height: 0; position: relative; overflow: hidden; }
.va-winfoot { padding: 5px 10px; font-size: 11.5px; color: var(--va-muted); border-top: 1px solid var(--va-line); }
.va-win.control .va-winfoot { color: var(--va-accent); }
.va-hmi { position: absolute; inset: 0; background: #000; display: grid; place-items: center; padding: 10px; }
.va-mhmi { width: 100%; height: 100%; border-radius: 4px; overflow: hidden; }
.va-hmiscr { width: 100%; max-width: 760px; aspect-ratio: 16 / 10; max-height: 100%; background: linear-gradient(#2c3443, #1f2632); border: 6px solid #0b0d11; border-radius: 6px; display: flex; flex-direction: column; font: 12px/1.3 Tahoma, Verdana, sans-serif; color: #e9edf3; overflow: hidden; }
.va-hmiscr .hb { display: flex; justify-content: space-between; align-items: center; background: #3d6aa8; padding: 4px 8px; font-weight: 700; }
.va-hmiscr .hg { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 8px; }
.va-hmiscr .ht { background: #3a4456; border: 2px solid #56627a; padding: 6px; display: flex; flex-direction: column; justify-content: space-between; min-height: 0; }
.va-hmiscr .ht.run { border-color: #3fa66b; } .va-hmiscr .ht.alm { border-color: #e04848; background: #4a2a30; }
.va-hmiscr .ht b { font-size: 12px; } .va-hmiscr .ht span { font-size: 11px; color: #c4ccd8; }
.va-hmiscr .hf { display: flex; gap: 6px; padding: 0 8px 8px; }
.va-hmiscr .hf button { flex: 1; border: 2px solid #8792a6; background: linear-gradient(#5e6a80, #48536a); color: #fff; padding: 6px 0; font: 700 12px Tahoma, Verdana, sans-serif; border-radius: 3px; }
.va-hmiscr .hf button.g { background: linear-gradient(#3d9a62, #2c7a4b); } .va-hmiscr .hf button.r { background: linear-gradient(#c24a4a, #9c3434); }
.va-dwg { position: absolute; inset: 0; background: #dfe3ea; cursor: grab; }
.va-dwg:active { cursor: grabbing; }
.va-dwg svg { width: 100%; height: 100%; display: block; }
.va-hit { fill: none; stroke: #ffb020; stroke-width: 3; }
.va-hit.pulse { animation: vaHit 0.9s ease-out 3; }
@keyframes vaHit { 0% { stroke-width: 3; } 60% { stroke-width: 9; stroke-opacity: .35; } 100% { stroke-width: 3; } }

/* plant view */
.va-plant { position: absolute; inset: 0; z-index: 5; background: var(--va-bg); overflow: auto; padding: 14px 16px 24px; }
.va-planthead { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.va-planthead h3 { margin: 0; font-size: 16px; }
.va-planthead .sp { flex: 1; }
.va-sites { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; margin-bottom: 14px; }
.va-site { background: var(--va-panel); border: 1px solid var(--va-line); border-radius: var(--va-r); padding: 8px 12px; font-size: 12px; color: var(--va-muted); }
.va-site.on { border-color: var(--va-accent); }
.va-site b { display: block; color: var(--va-text); font-size: 13px; }
.va-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.va-tile { background: var(--va-panel); border: 1px solid var(--va-line); border-radius: 10px; padding: 11px 12px; cursor: pointer; text-align: left; transition: transform .2s, border-color .2s; display: flex; flex-direction: column; gap: 3px; min-height: 150px; }
.va-tile:hover { transform: translateY(-2px); border-color: var(--va-muted); }
.va-tile h5 { margin: 0; font-size: 13.5px; }
.va-tile .stt { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 12px; }
.va-tile.alarm { border-color: var(--va-bad); } .va-tile.alarm .stt { color: var(--va-bad); }
.va-tile.offline { opacity: .55; }
.va-tile .big { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: auto; }
.va-tile svg.mini { width: 100%; height: 34px; }

.va-toast { position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%); background: var(--va-panel); border: 1px solid var(--va-line); border-radius: 8px; padding: 7px 14px; z-index: 30; box-shadow: 0 8px 24px rgba(0,0,0,.4); font-size: 12.5px; white-space: nowrap; max-width: calc(100% - 20px); overflow: hidden; text-overflow: ellipsis; }
.va-modal { position: absolute; inset: 0; z-index: 40; background: rgba(0,0,0,.55); display: grid; place-items: center; padding: 16px; }
.va-modal > div { background: var(--va-panel); border: 1px solid var(--va-line); border-radius: 10px; padding: 16px 18px; max-width: 380px; box-shadow: 0 20px 50px rgba(0,0,0,.6); }
.va-modal h4 { margin: 0 0 6px; font-size: 15px; }
.va-modal p { margin: 0 0 12px; color: var(--va-muted); font-size: 13px; }
.va-modal input { width: 100%; margin: 0 0 12px; background: var(--va-panel2); border: 1px solid var(--va-line); border-radius: 6px; padding: 6px 8px; }
.va-modal .acts { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------- mobile layout ---------- */
.vvapp.is-mobile { height: auto; }
.vvapp.is-mobile .va-top { gap: 8px; }
.vvapp.is-mobile .va-brand small, .vvapp.is-mobile .va-sel span { display: none; }
.vvapp.is-mobile .va-sel select { min-width: 0; max-width: 150px; }
.vvapp.is-mobile .va-search { order: 10; max-width: none; flex-basis: 100%; margin-left: 0; }
.vvapp.is-mobile .va-pill { max-width: 170px; }
.vvapp.is-mobile .va-body { display: flex; flex-direction: column; }
.vvapp.is-mobile .va-center { order: -1; height: 330px; flex: none; }
.vvapp.is-mobile .va-left { height: 460px; border-right: 0; border-top: 1px solid var(--va-line); }
.vvapp.is-mobile .va-right { position: absolute; inset: 330px 0 0 0; width: auto; z-index: 12; border-left: 0; border-top: 1px solid var(--va-line); }
.vvapp.is-mobile .va-pip { width: 200px; }
.vvapp.is-mobile .va-legend { display: none; }
.vvapp.is-mobile .va-win { inset: 4px; }
.vvapp.is-mobile .va-vtool > .va-chk:nth-of-type(n+4) { display: none; }

/* ==========================================================
   Guided tour overlay (inside the app frame)
   ========================================================== */
.va-tour { position: absolute; inset: 0; z-index: 100; pointer-events: none; font-family: "Segoe UI", Inter, system-ui, sans-serif; }
.va-cursor { position: absolute; left: 0; top: 0; width: 26px; height: 26px; filter: drop-shadow(0 3px 4px rgba(0,0,0,.7)); transition: scale .08s; z-index: 5; opacity: 0; }
.va-tour.run .va-cursor { opacity: 1; }
.va-ripple { position: absolute; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%; border: 3px solid #ffb020; animation: vaRip .7s ease-out forwards; }
@keyframes vaRip { to { transform: scale(4.5); opacity: 0; } }
.va-cap { position: absolute; left: 50%; top: 52px; width: min(680px, calc(100% - 24px)); transform: translate(-50%, -14px); opacity: 0; transition: opacity .45s, transform .55s cubic-bezier(.2,.9,.25,1.15); z-index: 4; }
.va-cap.on { opacity: 1; transform: translate(-50%, 0); }
.va-cap.bottom { top: auto; bottom: 46px; }
.va-cap .in { display: flex; gap: 14px; align-items: stretch; background: linear-gradient(180deg, rgba(19,25,36,.97), rgba(12,16,24,.97)); border-radius: 14px; padding: 13px 20px 15px 13px; box-shadow: 0 16px 40px rgba(0,0,0,.6), 0 0 0 2px rgba(255,176,32,.85); overflow: hidden; position: relative; }
.va-cap .bar { width: 6px; border-radius: 4px; background: linear-gradient(#ffcf5a, #ff8a00); flex: none; }
.va-cap .num { flex: none; align-self: center; width: 40px; height: 40px; border-radius: 50%; background: #ffb020; color: #141008; display: grid; place-items: center; font: 800 17px "Segoe UI", sans-serif; }
.va-cap h2 { margin: 0 0 3px; color: #fff; font: 700 21px/1.2 "Segoe UI", Inter, sans-serif; }
.va-cap p { margin: 0; color: #d4dbe6; font: 400 15px/1.45 "Segoe UI", Inter, sans-serif; }
.va-cap b { color: #ffc24a; font-weight: 700; }
.va-cap .prog { position: absolute; left: 0; bottom: 0; height: 3px; background: #ffb020; width: 0; }
.va-cap .w { display: inline-block; opacity: 0; transform: translateY(6px); animation: vaWord .45s forwards; }
@keyframes vaWord { to { opacity: 1; transform: none; } }
.va-chap { position: absolute; inset: 0; display: grid; place-items: center; background: radial-gradient(ellipse at 50% 45%, rgba(20,27,39,.95), rgba(5,7,11,.98)); opacity: 0; transition: opacity .5s; z-index: 6; text-align: center; padding: 16px; }
.va-chap.on { opacity: 1; }
.va-chap .n { font: 800 88px/1 "Segoe UI", Inter, sans-serif; color: transparent; -webkit-text-stroke: 2px #ffb020; opacity: 0; transform: translateY(26px); transition: all .7s .1s cubic-bezier(.2,.9,.25,1.1); }
.va-chap h1 { font: 700 42px/1.15 "Segoe UI", Inter, sans-serif; color: #fff; margin: 8px 0 10px; opacity: 0; transform: translateY(20px); transition: all .7s .25s cubic-bezier(.2,.9,.25,1.1); letter-spacing: -0.01em; }
.va-chap h1 span { color: #ffb020; }
.va-chap p { font: 400 18px "Segoe UI", Inter, sans-serif; color: #aeb8c7; margin: 0; opacity: 0; transition: opacity .7s .5s; }
.va-chap .ln { height: 4px; width: 0; margin: 16px auto 0; background: #ffb020; border-radius: 2px; transition: width .9s .45s cubic-bezier(.2,.9,.2,1); }
.va-chap.on .n, .va-chap.on h1 { opacity: 1; transform: none; } .va-chap.on p { opacity: 1; } .va-chap.on .ln { width: 240px; }
.va-chap .ctas .btn { text-decoration: none; }
.va-chap .ctas .btn--primary { color: #fff; }
.va-chap .ctas .btn--ghost { color: #eaf0fc; }
.va-chap .ctas { display: flex; gap: 10px; justify-content: center; margin-top: 22px; pointer-events: auto; flex-wrap: wrap; }
.va-chap .proj { display: inline-block; margin-top: 12px; font: 600 13px "Segoe UI", Inter, sans-serif; color: #8fb0f5; border: 1px dashed #5b8def; border-radius: 99px; padding: 3px 12px; opacity: 0; transition: opacity .6s .7s; }
.va-chap.on .proj { opacity: 1; }
.va-spot { position: absolute; border-radius: 10px; box-shadow: 0 0 0 9999px rgba(0,0,0,.5); outline: 3px solid #ffb020; outline-offset: 3px; opacity: 0; transition: opacity .35s, left .5s, top .5s, width .5s, height .5s; animation: vaSpot 1.2s ease-in-out infinite; z-index: 3; }
@keyframes vaSpot { 50% { outline-offset: 8px; outline-color: rgba(255,176,32,.55); } }
.va-badge-sim { position: absolute; right: 10px; bottom: 36px; padding: 5px 12px; border-radius: 8px; background: rgba(255,176,32,.96); color: #160f02; font: 700 13px "Segoe UI", Inter, sans-serif; opacity: 0; transition: opacity .3s; box-shadow: 0 6px 16px rgba(0,0,0,.4); z-index: 4; }
.va-tctl { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); display: flex; align-items: center; gap: 4px; padding: 4px; border-radius: 99px; background: rgba(10,14,22,.92); border: 1px solid rgba(255,255,255,.14); box-shadow: 0 8px 24px rgba(0,0,0,.5); pointer-events: auto; z-index: 7; opacity: 0; transition: opacity .3s; }
.va-tour.run .va-tctl { opacity: 1; }
.va-tctl button { background: none; border: 0; color: #e6e9ef; border-radius: 99px; padding: 4px 11px; font: 600 12px "Segoe UI", Inter, sans-serif; cursor: pointer; }
.va-tctl button:hover { background: rgba(255,255,255,.1); }
.va-tctl .chs { display: flex; gap: 4px; padding: 0 6px; }
.va-tctl .chs i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.22); }
.va-tctl .chs i.done { background: rgba(255,176,32,.55); } .va-tctl .chs i.on { background: #ffb020; box-shadow: 0 0 6px #ffb020; }
.vvapp.is-mobile .va-cap { top: 8px; }
.vvapp.is-mobile .va-cap h2 { font-size: 16px; } .vvapp.is-mobile .va-cap p { font-size: 13px; }
.vvapp.is-mobile .va-cap .num { width: 30px; height: 30px; font-size: 13px; }
.vvapp.is-mobile .va-chap .n { font-size: 56px; } .vvapp.is-mobile .va-chap h1 { font-size: 28px; } .vvapp.is-mobile .va-chap p { font-size: 15px; }

/* start screen over the demo */
.va-start { position: absolute; inset: 0; z-index: 90; display: grid; place-items: center; background: radial-gradient(ellipse at 50% 45%, rgba(10,14,22,.82), rgba(5,7,11,.92)); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); text-align: center; padding: 20px; }
.va-start h3 { font: 700 30px/1.15 var(--font-head, "Segoe UI"), sans-serif; color: #fff; margin: 0 0 8px; letter-spacing: -0.02em; }
.va-start p { color: #c3cbd8; margin: 0 auto 20px; max-width: 30em; font-size: 15px; }
.va-start .acts { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.va-start small { display: block; margin-top: 16px; color: #8a94a6; font-size: 12px; }

@media (prefers-reduced-motion: reduce) {
  .vvapp *, .va-tour * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}