/* Mango Pie — Water Purification configurator.
   Light technical interface, blue accent, with the system diagram on its own
   deep-navy stage so the illuminated water still reads.
   Everything namespaced under #mpwp-app so nothing leaks into the theme. */

#mpwp-app {
  --mpwp-bg: #f4f8fb;
  --mpwp-panel: #ffffff;
  --mpwp-panel-2: #f8fbfd;
  --mpwp-ink: #0d2233;
  --mpwp-ink-2: #3d5b70;
  --mpwp-dim: #6a8497;
  --mpwp-line: #dbe7ef;
  --mpwp-line-2: #c2d6e3;
  --mpwp-blue: #0a6fa8;
  --mpwp-blue-2: #1291cc;
  --mpwp-blue-soft: #e8f4fb;
  --mpwp-navy: #02070f;
  --mpwp-aqua: #3ef0ff;
  --mpwp-ok: #1a8a4f;
  --mpwp-ok-bg: #e4f6ec;
  --mpwp-warn: #9a6300;
  --mpwp-warn-bg: #fdf1dc;
  --mpwp-test: #6b4bb8;
  --mpwp-test-bg: #efeafc;
  --mpwp-rm: #b3261e;
  --mpwp-rm-bg: #fceceb;
  --mpwp-radius: 12px;
  --mpwp-t: 200ms cubic-bezier(.22,.61,.36,1);

  background: var(--mpwp-bg);
  color: var(--mpwp-ink);
  font-size: 15px;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
#mpwp-app *, #mpwp-app *::before, #mpwp-app *::after { box-sizing: border-box; }
#mpwp-app h1, #mpwp-app h2, #mpwp-app h3 { color: var(--mpwp-ink); margin: 0 0 .4em; line-height: 1.25; }
#mpwp-app p { margin: 0 0 .8em; }
#mpwp-app ul { margin: 0; padding-left: 1.1em; }
#mpwp-app li { margin-bottom: .35em; }
#mpwp-app :focus-visible { outline: 2px solid var(--mpwp-blue); outline-offset: 2px; border-radius: 4px; }
.mpwp-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
body.mpwp-locked { overflow: hidden; }

/* ---------------- header ----------------------------------------- */
.mpwp-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  padding: 18px 22px 14px; border-bottom: 1px solid var(--mpwp-line); background: var(--mpwp-panel);
}
.mpwp-eyebrow {
  font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--mpwp-blue); font-weight: 700; margin: 0 0 .3em;
}
.mpwp-h1 { font-size: clamp(18px, 1.7vw, 24px); font-weight: 700; letter-spacing: -.01em; margin: 0; }
.mpwp-head-note { font-size: 12px; color: var(--mpwp-dim); max-width: 46ch; margin: 0; text-align: right; }

/* ---------------- top: 30 / 70 ----------------------------------- */
.mpwp-top {
  display: grid; grid-template-columns: minmax(280px, 30%) 1fr;
  gap: 18px; padding: 18px 22px; align-items: start;
}

/* left column stays put while the system is explored */
.mpwp-col-form { position: sticky; top: 14px; }
.mpwp-form {
  background: var(--mpwp-panel); border: 1px solid var(--mpwp-line);
  border-radius: var(--mpwp-radius); padding: 16px 16px 18px;
  max-height: calc(100vh - 40px); overflow-y: auto; overscroll-behavior: contain;
}
.mpwp-drawer-toggle { display: none; }
.mpwp-panel-title { font-size: 17px; }
.mpwp-panel-sub { color: var(--mpwp-dim); font-size: 12.5px; }
.mpwp-sub-title { font-size: 15px; margin: 20px 0 10px; }

.mpwp-fs { border: 0; border-top: 1px solid var(--mpwp-line); margin: 14px 0 0; padding: 12px 0 0; }
.mpwp-fs legend { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--mpwp-blue); font-weight: 700; padding: 0; }
.mpwp-radios, .mpwp-checks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.mpwp-radio, .mpwp-check {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  border: 1px solid var(--mpwp-line-2); background: var(--mpwp-panel-2);
  border-radius: 8px; padding: 8px 10px; font-size: 12.5px; min-height: 44px;
  transition: border-color var(--mpwp-t), background var(--mpwp-t);
}
.mpwp-radio:hover, .mpwp-check:hover { border-color: var(--mpwp-blue); background: var(--mpwp-blue-soft); }
.mpwp-radio input, .mpwp-check input { accent-color: var(--mpwp-blue); width: 15px; height: 15px; margin: 0; }
.mpwp-radio:has(input:checked), .mpwp-check:has(input:checked) {
  border-color: var(--mpwp-blue); background: var(--mpwp-blue-soft); color: var(--mpwp-blue); font-weight: 600;
}
.mpwp-check-inline { flex: 0 0 auto; }

.mpwp-field { display: block; margin-top: 11px; }
.mpwp-field > span { display: block; font-size: 12px; color: var(--mpwp-ink-2); margin-bottom: 4px; font-weight: 600; }
.mpwp-field input, .mpwp-field select, .mpwp-field textarea {
  width: 100%; min-height: 44px; padding: 9px 11px; font: inherit; font-size: 14px;
  color: var(--mpwp-ink); background: #fff; border: 1px solid var(--mpwp-line-2); border-radius: 8px;
}
.mpwp-field textarea { min-height: 76px; resize: vertical; }
.mpwp-field input:disabled { background: #eef3f7; color: #9db2c0; }
.mpwp-field em.mpwp-hint, .mpwp-hint { display: block; font-size: 11.5px; color: var(--mpwp-dim); font-style: normal; margin-top: 5px; }
.mpwp-inline-row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.mpwp-grow { flex: 1 1 140px; }
.mpwp-disclaimer { font-size: 11.5px; color: var(--mpwp-dim); margin-top: 10px; }

.mpwp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 16px; border-radius: 8px; border: 1px solid transparent;
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: background var(--mpwp-t), border-color var(--mpwp-t), color var(--mpwp-t);
}
.mpwp-btn-primary { background: var(--mpwp-blue); color: #fff; }
.mpwp-btn-primary:hover { background: #08587f; }
.mpwp-btn-secondary { background: var(--mpwp-blue-soft); color: var(--mpwp-blue); border-color: var(--mpwp-line-2); }
.mpwp-btn-outline { background: #fff; color: var(--mpwp-blue); border-color: var(--mpwp-blue); }
.mpwp-btn-outline:hover { background: var(--mpwp-blue-soft); }
.mpwp-btn-ghost { background: transparent; border-color: var(--mpwp-line-2); color: var(--mpwp-ink-2); font-weight: 500; }
.mpwp-analyse { width: 100%; margin-top: 16px; }
.mpwp-presets { margin-top: 14px; border-top: 1px solid var(--mpwp-line); padding-top: 10px; }
.mpwp-presets summary { cursor: pointer; font-size: 12.5px; color: var(--mpwp-dim); }
.mpwp-preset-list { display: grid; gap: 6px; margin-top: 8px; }
.mpwp-preset { justify-content: flex-start; text-align: left; font-size: 12.5px; }

/* ---------------- right: the system ------------------------------ */
.mpwp-col-system {
  background: var(--mpwp-panel); border: 1px solid var(--mpwp-line);
  border-radius: var(--mpwp-radius); overflow: hidden;
}
.mpwp-system-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; padding: 14px 18px 12px;
}
.mpwp-system-title { font-size: 17px; margin: 0 0 .25em; }
.mpwp-system-sum { font-size: 13px; color: var(--mpwp-ink-2); margin: 0; max-width: 70ch; }
.mpwp-system-tools { display: flex; gap: 8px; flex: 0 0 auto; }

/* the diagram keeps its own dark technical stage */
.mpwp-stage { background: var(--mpwp-navy); border-top: 1px solid var(--mpwp-line); border-bottom: 1px solid var(--mpwp-line); }
.mpwp-scene { height: clamp(280px, 44vh, 520px); }
.mpwp-svg { display: block; width: 100%; height: 100%; }
.mpwp-static-note { padding: 16px 18px; color: var(--mpwp-dim); font-size: 13px; }

/* component selector */
.mpwp-chipbar {
  display: flex; gap: 6px; padding: 10px 18px; overflow-x: auto;
  border-bottom: 1px solid var(--mpwp-line); background: var(--mpwp-panel-2);
}
.mpwp-chip-btn {
  flex: 0 0 auto; display: flex; flex-direction: column; align-items: flex-start; gap: 1px;
  min-height: 44px; padding: 6px 11px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--mpwp-line-2); background: #fff; font: inherit;
  transition: border-color var(--mpwp-t), background var(--mpwp-t);
}
.mpwp-chip-btn:hover { border-color: var(--mpwp-blue); background: var(--mpwp-blue-soft); }
.mpwp-chip-btn.mpwp-chip-on { border-color: var(--mpwp-blue); background: var(--mpwp-blue); }
.mpwp-chip-btn.mpwp-chip-on .mpwp-chip-name, .mpwp-chip-btn.mpwp-chip-on .mpwp-chip-rating { color: #fff; }
.mpwp-chip-name { font-size: 12.5px; font-weight: 600; color: var(--mpwp-ink); white-space: nowrap; }
.mpwp-chip-index { font-size: 9.5px; font-weight: 700; color: var(--mpwp-warn); letter-spacing: .1em; }
.mpwp-chip-btn { counter-increment: mpwpseq; }
.mpwp-chipbar { counter-reset: mpwpseq; }
.mpwp-chip-btn.mpwp-r-added { box-shadow: inset 3px 0 0 var(--mpwp-ok); }
.mpwp-chip-btn.mpwp-r-changed { box-shadow: inset 3px 0 0 var(--mpwp-warn); }

/* explainability */
.mpwp-why { padding: 14px 18px 16px; }
.mpwp-why-h { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--mpwp-blue); margin-bottom: 10px; }
.mpwp-why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 10px; }
.mpwp-why-item { border: 1px solid var(--mpwp-line); border-left-width: 3px; border-radius: 8px; padding: 10px 12px; background: var(--mpwp-panel-2); }
.mpwp-why-item.mpwp-w-added { border-left-color: var(--mpwp-ok); }
.mpwp-why-item.mpwp-w-removed { border-left-color: var(--mpwp-rm); }
.mpwp-why-item.mpwp-w-changed { border-left-color: var(--mpwp-warn); }
.mpwp-why-item.mpwp-w-unchanged { border-left-color: var(--mpwp-line-2); }
.mpwp-why-t { font-size: 13px; font-weight: 700; margin: 0 0 .3em; }
.mpwp-why-b { font-size: 12.5px; color: var(--mpwp-ink-2); margin: 0; }

/* ---------------- full-width bands ------------------------------- */
.mpwp-band { padding: 20px 22px 26px; border-top: 1px solid var(--mpwp-line); background: var(--mpwp-panel); }
.mpwp-band-detail { background: var(--mpwp-bg); }
.mpwp-band-title { font-size: 17px; margin-bottom: 12px; }

/* ---------------- tables ----------------------------------------- */
.mpwp-table-wrap { border: 1px solid var(--mpwp-line); border-radius: 10px; overflow: hidden; background: #fff; }
.mpwp-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.mpwp-table th {
  text-align: left; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--mpwp-ink-2); font-weight: 700; padding: 10px 12px;
  background: var(--mpwp-blue-soft); border-bottom: 1px solid var(--mpwp-line);
}
.mpwp-table td { padding: 11px 12px; vertical-align: top; border-bottom: 1px solid var(--mpwp-line); color: var(--mpwp-ink-2); }
.mpwp-table tr:last-child td { border-bottom: 0; }
.mpwp-table-system { table-layout: fixed; }
.mpwp-table-system th:nth-child(1), .mpwp-table-system td:nth-child(1) { width: 13%; }
.mpwp-table-system th:nth-child(2), .mpwp-table-system td:nth-child(2) { width: 22%; }
.mpwp-table-system th:nth-child(3), .mpwp-table-system td:nth-child(3) { width: 33%; }
.mpwp-table-system th:nth-child(4), .mpwp-table-system td:nth-child(4) { width: 14%; }
.mpwp-table-system th:nth-child(5), .mpwp-table-system td:nth-child(5) { width: 18%; }
.mpwp-cname { color: var(--mpwp-ink); font-weight: 700; display: block; margin-bottom: 5px; }
tr.mpwp-row { cursor: pointer; transition: background var(--mpwp-t); }
tr.mpwp-row:hover, tr.mpwp-row-hover { background: var(--mpwp-blue-soft); }
tr.mpwp-row-selected { background: #dceff9; box-shadow: inset 3px 0 0 var(--mpwp-blue); }
tr.mpwp-r-removed td { opacity: .65; }
tr.mpwp-r-removed .mpwp-cname { text-decoration: line-through; text-decoration-color: var(--mpwp-rm); }

/* detail table */
.mpwp-table-detail th[scope="row"] {
  width: 210px; background: var(--mpwp-panel-2); text-transform: none;
  letter-spacing: 0; font-size: 12px; color: var(--mpwp-ink); border-right: 1px solid var(--mpwp-line);
}
.mpwp-table-detail td { font-size: 13px; }

/* ---------------- badges and tags -------------------------------- */
.mpwp-badges { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.mpwp-badge, .mpwp-tag {
  display: inline-block; font-size: 9.5px; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; padding: 3px 7px; border-radius: 999px;
  border: 1px solid currentColor; white-space: nowrap;
}
.mpwp-tag { margin-right: 4px; }
.mpwp-badge { color: var(--mpwp-ink-2); background: #eef4f8; border-color: var(--mpwp-line-2); }
.mpwp-b-core, .mpwp-b-recommended, .mpwp-tag-mandatory, .mpwp-tag-confirmed { color: var(--mpwp-ok); background: var(--mpwp-ok-bg); }
.mpwp-b-common-in-india { color: var(--mpwp-blue); background: var(--mpwp-blue-soft); }
.mpwp-b-problem-specific, .mpwp-tag-problem-specific, .mpwp-tag-likely { color: var(--mpwp-warn); background: var(--mpwp-warn-bg); }
.mpwp-b-not-required, .mpwp-tag-not-required { color: var(--mpwp-rm); background: var(--mpwp-rm-bg); }
.mpwp-tag-needs-testing { color: var(--mpwp-test); background: var(--mpwp-test-bg); }
.mpwp-b-regenerable, .mpwp-b-externally-serviced { color: #0f7466; background: #e3f6f2; }
.mpwp-b-electrical { color: #8a5a00; background: #fdf3e0; }
.mpwp-delta-block { font-size: 12.5px; color: var(--mpwp-warn); border-left: 3px solid var(--mpwp-warn); padding-left: 10px; background: var(--mpwp-warn-bg); border-radius: 0 6px 6px 0; padding: 8px 10px; }

/* things advised but deliberately not plumbed into the approved line */
.mpwp-advisory {
  border: 1px solid #f0d9ae; background: var(--mpwp-warn-bg);
  border-radius: 10px; padding: 14px 16px; margin-top: 18px;
}
.mpwp-advisory-h { font-size: 13px; color: #7a3d10; margin-bottom: .3em; }
.mpwp-advisory-sub { font-size: 12.5px; color: #8a5a2a; margin-bottom: 10px; }
.mpwp-advisory-item {
  display: block; width: 100%; text-align: left; cursor: pointer; font: inherit;
  background: #fff; border: 1px solid #ecd3a6; border-radius: 8px;
  padding: 10px 12px; margin-bottom: 7px; min-height: 44px;
}
.mpwp-advisory-item:hover { border-color: var(--mpwp-warn); }
.mpwp-advisory-name { display: block; font-size: 13px; font-weight: 700; color: #7a3d10; }
.mpwp-advisory-why { display: block; font-size: 12.5px; color: var(--mpwp-ink-2); margin-top: 3px; }
.mpwp-seq-note { font-size: 11px; color: var(--mpwp-dim); margin: 6px 0 0; letter-spacing: .04em; }

/* ---------------- supporting components -------------------------- */
.mpwp-support-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.mpwp-support-card {
  text-align: left; padding: 11px 12px; border: 1px solid var(--mpwp-line);
  border-radius: 9px; background: #fff; cursor: pointer; font: inherit; min-height: 44px;
  transition: border-color var(--mpwp-t), background var(--mpwp-t);
}
.mpwp-support-card:hover { border-color: var(--mpwp-blue); background: var(--mpwp-blue-soft); }
.mpwp-support-card.mpwp-support-on { border-color: var(--mpwp-blue); background: #dceff9; }
.mpwp-support-name { display: block; font-size: 13px; font-weight: 700; color: var(--mpwp-ink); }
.mpwp-support-fn { display: block; font-size: 11.5px; color: var(--mpwp-dim); margin-top: 2px; }

/* ---------------- selected component detail ---------------------- */
.mpwp-detail-grid {
  display: grid; grid-template-columns: 240px minmax(260px, 1fr) minmax(320px, 1.2fr);
  gap: 18px; align-items: start;
}
.mpwp-detail-visual { position: sticky; top: 14px; }
.mpwp-detail-art {
  background: radial-gradient(circle at 50% 35%, #0d2946, #01060f);
  border: 1px solid var(--mpwp-line); border-radius: 10px; padding: 8px;
}
.mpwp-detail-svg { display: block; width: 100%; height: auto; max-height: 320px; }
.mpwp-detail-enlarge { width: 100%; margin-top: 8px; }
.mpwp-detail-name { font-size: 19px; margin-bottom: .3em; }
.mpwp-detail-fn { font-size: 13.5px; color: var(--mpwp-ink-2); margin-top: 12px; }
.mpwp-does { margin-top: 12px; }
.mpwp-does-h { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; margin: 0 0 .4em; }
.mpwp-does-yes { color: var(--mpwp-ok); }
.mpwp-does-no { color: var(--mpwp-rm); }
.mpwp-does ul { font-size: 12.5px; color: var(--mpwp-ink-2); }
.mpwp-warn {
  margin-top: 14px; font-size: 12.5px; color: #7a3d10;
  background: var(--mpwp-warn-bg); border: 1px solid #f0d9ae; border-radius: 8px; padding: 10px 12px;
}

/* ---------------- CTAs and forms --------------------------------- */
.mpwp-ctas { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.mpwp-lab, .mpwp-enquiry { margin-top: 16px; border-top: 1px solid var(--mpwp-line); padding-top: 14px; }
.mpwp-lab-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-bottom: 12px; }
.mpwp-enquiry .mpwp-field em { color: var(--mpwp-blue); font-style: normal; }
.mpwp-file input[type="file"] { padding: 9px; font-size: 13px; }
.mpwp-error, .mpwp-status { font-size: 13px; padding: 9px 11px; border-radius: 8px; margin: 10px 0; border: 1px solid; }
.mpwp-error { color: var(--mpwp-rm); background: var(--mpwp-rm-bg); border-color: #f0c4c1; }
.mpwp-status { color: var(--mpwp-ok); background: var(--mpwp-ok-bg); border-color: #b6e3c8; }
.mpwp-error[hidden], .mpwp-status[hidden] { display: none; }

/* ---------------- enlarge view ----------------------------------- */
.mpwp-lightbox {
  position: fixed; inset: 0; z-index: 99999; background: #05121c;
  display: flex; flex-direction: column;
}
.mpwp-lightbox[hidden] { display: none; }
.mpwp-lb-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 16px; background: rgba(3,14,22,.96); border-bottom: 1px solid rgba(150,200,235,.18);
  flex: 0 0 auto;
}
.mpwp-lb-title { font-size: 15px; color: #eaf4ff; margin: 0; }
.mpwp-lb-tools { display: flex; align-items: center; gap: 6px; }
.mpwp-lb-btn {
  min-width: 44px; min-height: 44px; padding: 0 10px; border-radius: 8px; cursor: pointer;
  background: rgba(255,255,255,.07); border: 1px solid rgba(150,200,235,.25);
  color: #eaf4ff; font: inherit; font-size: 16px; line-height: 1;
}
.mpwp-lb-btn:hover { background: rgba(62,240,255,.16); }
.mpwp-lb-btn[disabled] { opacity: .3; cursor: default; }
.mpwp-lb-wide { font-size: 12px; font-weight: 600; }
.mpwp-lb-zoom { color: #9fc4dc; font-size: 12px; min-width: 46px; text-align: center; }
.mpwp-lb-sep { width: 1px; height: 24px; background: rgba(150,200,235,.25); }
.mpwp-lb-canvas {
  flex: 1 1 auto; overflow: hidden; display: flex; align-items: center; justify-content: center;
  cursor: grab; background: radial-gradient(circle at 50% 40%, #0d2946, #01060f);
}
.mpwp-lb-canvas.mpwp-grabbing { cursor: grabbing; }
.mpwp-lb-inner { transform-origin: center center; will-change: transform; max-width: 98vw; }
.mpwp-lb-inner svg { display: block; width: 96vw; max-height: 82vh; height: auto; }
.mpwp-lb-inner .mpwp-detail-svg { width: auto; height: 78vh; max-height: 78vh; }
.mpwp-lb-hint { text-align: center; color: #6f93ad; font-size: 11.5px; padding: 6px 0 10px; margin: 0; flex: 0 0 auto; }

/* ---------------- diagram internals ------------------------------ */
.mpwp-num { fill: #eaf4ff; font-size: 16px; font-weight: 700; }
.mpwp-label { fill: #93aec5; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.mpwp-leader { stroke: rgba(150,200,235,.26); stroke-width: 1; }
.mpwp-leader-dot { fill: rgba(150,200,235,.5); }
.mpwp-node.mpwp-selected .mpwp-leader { stroke: var(--mpwp-aqua); }
.mpwp-node.mpwp-selected .mpwp-leader-dot { fill: var(--mpwp-aqua); }
.mpwp-node.mpwp-selected .mpwp-num { fill: var(--mpwp-aqua); }
.mpwp-chip { fill: #cfe6f7; font-size: 8.5px; letter-spacing: .12em; font-weight: 700; }
.mpwp-chip-on { fill: #7ef5d8; }
.mpwp-chip-fe { fill: #ffb083; font-size: 10px; }
.mpwp-chip-ph { fill: #c7f07a; }
.mpwp-chip-uv { fill: #cfc0ff; }
.mpwp-chip-o3 { fill: #8fe6ff; font-size: 15px; letter-spacing: .05em; }
.mpwp-chip-hero { fill: #9ff8ff; }
.mpwp-chip-power { fill: #ffc48f; }
.mpwp-port { fill: #9fc4dc; font-size: 9px; letter-spacing: .14em; font-weight: 600; }
.mpwp-reject-label { fill: #7f9ab0; }
.mpwp-watermark { fill: #21445e; font-size: 11px; letter-spacing: .28em; font-weight: 600; }

.mpwp-hit { fill: transparent; cursor: pointer; }
.mpwp-node { transition: opacity var(--mpwp-t), filter var(--mpwp-t); outline: none; }
.mpwp-node:focus-visible .mpwp-hit { fill: rgba(62,240,255,.08); stroke: var(--mpwp-aqua); stroke-width: 2; }
.mpwp-camera { transition: transform 300ms cubic-bezier(.22,.61,.36,1); }
.mpwp-has-selection .mpwp-node:not(.mpwp-selected),
.mpwp-has-hover .mpwp-node:not(.mpwp-hover) { opacity: .34; }
.mpwp-node.mpwp-hover .mpwp-body, .mpwp-node.mpwp-selected .mpwp-body { filter: drop-shadow(0 0 14px rgba(62,240,255,.45)); }
.mpwp-node.mpwp-selected .mpwp-label { fill: var(--mpwp-aqua); }
.mpwp-badge rect { fill: rgba(3,16,28,.9); stroke: rgba(150,200,235,.28); opacity: 0; transition: opacity var(--mpwp-t); }
.mpwp-badge text { fill: #b9d6ea; font-size: 8.5px; letter-spacing: .16em; font-weight: 700; opacity: 0; transition: opacity var(--mpwp-t); }
.mpwp-node.mpwp-selected .mpwp-badge rect, .mpwp-node.mpwp-selected .mpwp-badge text,
.mpwp-node.mpwp-hover .mpwp-badge rect, .mpwp-node.mpwp-hover .mpwp-badge text { opacity: 1; }

.mpwp-pipe-shell { fill: none; stroke: #16273a; stroke-width: 13; stroke-linecap: round; stroke-linejoin: round; }
.mpwp-pipe-core { fill: none; stroke: url(#mpwpPipe); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.mpwp-pipe-flow { fill: none; stroke: #7ff0ff; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 16 26; opacity: .78; filter: url(#mpwpGlow); animation: mpwp-flow 1.5s linear infinite; }
/* the two streams after the membrane must never read as one pipe */
.mpwp-pipe-reject .mpwp-pipe-core { stroke: #4a3524; }
.mpwp-pipe-reject .mpwp-pipe-flow { stroke: #ffb066; opacity: .85; animation-duration: 2.1s; }
.mpwp-pipe-reject .mpwp-pipe-arrow { stroke: #ffd0a3; }
.mpwp-inner-reject { stroke: #ffb066; }
.mpwp-chip-reject { fill: #ffc48f; }
.mpwp-port-feed { fill: #9fc4dc; }
.mpwp-port-permeate { fill: #7ff0ff; }
.mpwp-port-reject { fill: #ffb066; }
.mpwp-permeate-label { fill: #7ff0ff; }
.mpwp-reject-label { fill: #ffb066; }
.mpwp-drain-fall { animation: mpwp-flow 1.6s linear infinite; }
.mpwp-pipe.mpwp-pipe-active .mpwp-pipe-flow { stroke-width: 6.5; opacity: 1; animation-duration: .85s; }
.mpwp-has-selection .mpwp-pipe:not(.mpwp-pipe-active) { opacity: .3; }
@keyframes mpwp-flow { to { stroke-dashoffset: -84; } }
.mpwp-pipe-arrow { fill: none; stroke: #cbeeff; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; opacity: .8; }
.mpwp-boss { stroke: #0b1622; stroke-opacity: .5; }
.mpwp-inner-flow { fill: none; stroke-width: 3; stroke-linecap: round; opacity: .55;
  stroke-dasharray: 9 15; animation: mpwp-flow 1.5s linear infinite; }
.mpwp-chev { animation: mpwp-rise 2.6s ease-in-out infinite; }
@keyframes mpwp-rise { 0%,100% { opacity: .35; } 50% { opacity: .9; } }
.mpwp-node.mpwp-selected .mpwp-inner-flow { opacity: .95; animation-duration: .8s; }
.mpwp-impeller { animation: mpwp-spin 2.4s linear infinite; transform-origin: -16px -88px; }
@keyframes mpwp-spin { to { transform: rotate(360deg); } }
.mpwp-uvlamp { animation: mpwp-pulse 3.2s ease-in-out infinite; }
@keyframes mpwp-pulse { 0%,100% { opacity: .75; } 50% { opacity: 1; } }
.mpwp-pour { animation: mpwp-pour 1.1s linear infinite; stroke-dasharray: 8 6; }
@keyframes mpwp-pour { to { stroke-dashoffset: -28; } }
.mpwp-node.mpwp-enter { animation: mpwp-in 620ms cubic-bezier(.22,.61,.36,1); }
@keyframes mpwp-in { from { opacity: 0; transform: translateY(26px) scale(.94); } }

/* ---------------- tablet ----------------------------------------- */
@media (max-width: 1180px) {
  .mpwp-detail-grid { grid-template-columns: 200px 1fr; }
  .mpwp-detail-table { grid-column: 1 / -1; }
}
@media (max-width: 1000px) {
  .mpwp-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .mpwp-head-note { text-align: left; }
  .mpwp-top { grid-template-columns: 1fr; }

  /* the questionnaire collapses; the system stays immediately visible */
  .mpwp-col-form { position: static; order: 2; }
  .mpwp-col-system { order: 1; }
  .mpwp-drawer-toggle {
    display: flex; align-items: center; justify-content: space-between; width: 100%;
    min-height: 48px; padding: 12px 16px; font: inherit; font-size: 15px; font-weight: 700;
    background: var(--mpwp-panel); color: var(--mpwp-ink);
    border: 1px solid var(--mpwp-line); border-radius: var(--mpwp-radius); cursor: pointer;
  }
  .mpwp-drawer-chev { transition: transform var(--mpwp-t); color: var(--mpwp-blue); }
  .mpwp-drawer-open .mpwp-drawer-chev { transform: rotate(180deg); }
  .mpwp-form { display: none; margin-top: 8px; max-height: none; }
  .mpwp-drawer-open .mpwp-form { display: block; }
  .mpwp-form .mpwp-panel-title { display: none; }
}

/* ---------------- mobile ----------------------------------------- */
@media (max-width: 760px) {
  #mpwp-app { font-size: 14.5px; }
  .mpwp-head, .mpwp-top, .mpwp-band { padding-left: 12px; padding-right: 12px; }
  .mpwp-system-head { flex-direction: column; }
  .mpwp-system-tools { width: 100%; }
  .mpwp-system-tools .mpwp-btn { flex: 1 1 auto; }
  .mpwp-scene { height: 300px; overflow-x: auto; }
  .mpwp-svg { width: auto; min-width: 100%; }
  .mpwp-detail-grid { grid-template-columns: 1fr; }
  .mpwp-detail-visual { position: static; }
  .mpwp-detail-svg { max-height: 240px; }

  /* the wide tables become stacked cards */
  .mpwp-table-wrap { border: 0; background: transparent; }
  .mpwp-table-system, .mpwp-table-system tbody, .mpwp-table-system tr, .mpwp-table-system td { display: block; width: auto !important; }
  .mpwp-table-system thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .mpwp-table-system tr.mpwp-row {
    border: 1px solid var(--mpwp-line); border-radius: 10px; margin-bottom: 9px; padding: 12px; background: #fff;
  }
  .mpwp-table-system td { border: 0; padding: 4px 0; }
  .mpwp-table-system td[data-th]::before {
    content: attr(data-th); display: block; font-size: 9.5px; letter-spacing: .12em;
    text-transform: uppercase; color: var(--mpwp-dim); margin-bottom: 2px;
  }
  .mpwp-table-system td[data-th="Component"]::before { display: none; }
  .mpwp-table-detail th[scope="row"] { width: 40%; }
  .mpwp-ctas .mpwp-btn { width: 100%; }
  .mpwp-lb-bar { flex-wrap: wrap; }
  .mpwp-lb-title { flex: 1 1 100%; font-size: 13px; }
}

/* ---------------- reduced motion --------------------------------- */
@media (prefers-reduced-motion: reduce) {
  #mpwp-app *, #mpwp-app *::before, #mpwp-app *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
  .mpwp-pipe-flow { opacity: .55; }
}

/* ---------------- print ------------------------------------------ */
@media print {
  .mpwp-col-form, .mpwp-ctas, .mpwp-lightbox, .mpwp-chipbar, .mpwp-system-tools { display: none !important; }
  #mpwp-app { background: #fff; }
  .mpwp-top { grid-template-columns: 1fr; }
}


/* ---------------- theme override guards -------------------------- *
 * Elessi styles buttons globally with its own accent and forces
 * text-transform: uppercase. Uppercasing "µm" produces "ΜM" (Greek capital
 * Mu), which reads as "MM". Scoped to #mpwp-app so nothing leaks back.
 * ------------------------------------------------------------------ */
#mpwp-app .mpwp-btn { text-transform: none !important; letter-spacing: 0 !important; text-shadow: none !important; }
#mpwp-app .mpwp-btn-primary { background: var(--mpwp-blue) !important; color: #fff !important; border-color: var(--mpwp-blue) !important; }
#mpwp-app .mpwp-btn-primary:hover { background: #08587f !important; }
#mpwp-app .mpwp-btn-secondary { background: var(--mpwp-blue-soft) !important; color: var(--mpwp-blue) !important; border-color: var(--mpwp-line-2) !important; }
#mpwp-app .mpwp-btn-outline { background: #fff !important; color: var(--mpwp-blue) !important; border-color: var(--mpwp-blue) !important; }
#mpwp-app .mpwp-btn-outline:hover { background: var(--mpwp-blue-soft) !important; }
#mpwp-app .mpwp-btn-ghost { background: transparent !important; color: var(--mpwp-ink-2) !important; border-color: var(--mpwp-line-2) !important; }
#mpwp-app .mpwp-chip-btn { background: #fff !important; border-color: var(--mpwp-line-2) !important; text-transform: none !important; letter-spacing: 0 !important; }
#mpwp-app .mpwp-chip-btn.mpwp-chip-on { background: var(--mpwp-blue) !important; border-color: var(--mpwp-blue) !important; }
#mpwp-app .mpwp-chip-name { color: var(--mpwp-ink) !important; text-transform: none !important; letter-spacing: 0 !important; }
#mpwp-app .mpwp-chip-btn.mpwp-chip-on .mpwp-chip-name,
#mpwp-app .mpwp-chip-btn.mpwp-chip-on .mpwp-chip-index { color: #fff !important; }
#mpwp-app .mpwp-label { text-transform: none !important; letter-spacing: .06em; }
#mpwp-app .mpwp-advisory-item, #mpwp-app .mpwp-support-card { text-transform: none !important; }
#mpwp-app .mpwp-drawer-toggle { text-transform: none !important; }
#mpwp-app a { box-shadow: none !important; }