:root {
  --maxw: 1280px;
  /* Green-led UI (matches physionow.com.au). The anatomical DIAGRAM stays purple
     via a scoped --brand→--anat remap further down. */
  --brand: #58bb72;        /* green (primary accent) */
  --brand-dk: #3d8c52;     /* deep green — borders, hover */
  --brand-text: #2b6e3d;   /* darker green for small text on white (WCAG AA ~5.9:1) */
  --brand-strong: #2f7a43; /* darker green — solid button fills (white text ≈5.3:1, AA) */
  --brand-strong-dk: #276437;
  --brand-light: #e8f5ed;  /* soft green tint — chips / panels */
  --brand-mid: #8fd3a4;    /* mid green */
  --brand-pale: #cfe9da;   /* pale green — tertiary / both */
  --green: #58bb72;
  --green-dk: #3d8c52;
  --green-light: #e8f5ed;
  --green-mid: #8fd3a4;
  /* Anatomy (diagram) palette — purple, the nervous-system colour */
  --anat: #7d5ba6;
  --anat-dk: #5f4488;
  --anat-light: #f1ecf8;
  --anat-mid: #a98fca;
  --anat-pale: #e0d5ef;
  --side-left: #7d5ba6;
  --side-right: #58bb72;
  --side-both: #d9cfe8;
  --map-base: #ededf2;     /* neutral vertebra */
  --map-stroke: #d4d2de;
  --map-deco: #f2f1f6;
  --map-deco-stroke: #e0dfe8;
  --ink: #0a0a0a;
  --text: #0a0a0a;
  --text-muted: #5a5a5a;
  --text-light: #6b6b6b;
  --bg-soft: #fafbfc;      /* clean neutral white (cards/panels) */
  --bg-alt: #f5f7f9;
  --page: #f7f9fa;         /* page background */
  --border: #e5e7eb;
  --border-strong: #cfd4da;
  --shadow-sm: 0 2px 10px rgba(20,30,25,.05);
  --shadow-md: 0 12px 30px rgba(20,30,25,.07);
  --shadow-lg: 0 24px 64px rgba(20,30,25,.10);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --space-side: clamp(20px, 4vw, 40px);
  --danger: #b23b30;
  --danger-light: #faece9;
  --amber: #8a5e12;
  --amber-light: #f6efdf;
  --font: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --serif: Inter, system-ui, sans-serif;
}

/* The anatomical diagram and the panels that read it out stay purple by
   remapping the brand tokens to the anatomy palette within this scope only.
   This keeps "purple = your nervous system" consistent: a highlighted vertebra,
   its index chip, and the detail card that describes it are all purple. */
.ni-spinemap, .ni-bodymap, .ni-bodymap-legend, .ni-side-pill, .ni-idx-dot,
.ni-idx-chip, .ni-sv-detail {
  --brand: var(--anat);
  --brand-dk: var(--anat-dk);
  --brand-light: var(--anat-light);
  --brand-mid: var(--anat-mid);
  --brand-pale: var(--anat-pale);
}

* { box-sizing: border-box; }

/* Author display rules (e.g. .ni-btn { display:inline-flex }) would otherwise
   defeat the html hidden attribute */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.ni-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--space-side);
}

/* ---------- Header bar ---------- */
.ni-topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}
.ni-topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--space-side);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.ni-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 800 17px/1.2 var(--font);
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.ni-logo-dot {
  width: 12px; height: 12px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(88,187,114,.18);
}
.ni-topbar-sub {
  font: 600 12px/1.2 var(--font);
  color: var(--text-light);
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
}
.ni-topbar-spacer { flex: 1; }
.ni-topbar a.ni-topbar-link {
  font: 600 13px/1 var(--font);
  color: var(--text-muted);
  text-decoration: none;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  transition: all .25s ease;
}
.ni-topbar a.ni-topbar-link:hover {
  border-color: var(--brand);
  color: var(--brand-dk);
  background: var(--brand-light);
}

@media (max-width: 640px) {
  .ni-logo { font-size: 15px; }
  .ni-topbar-sub { display: none; }
  .ni-topbar-inner { padding-top: 11px; padding-bottom: 11px; }
  /* comfortable tap targets on phones (WCAG 2.5.8) */
  .ni-idx-chip { min-height: 40px; padding: 9px 13px; }
  .ni-idx-band-pills .ni-idx-chip { min-height: 38px; }
  .ni-btn--sm { min-height: 40px; }
  .ni-client-edit { width: 38px; height: 38px; }
  .ni-journey-dot { min-width: 48px; padding: 8px 2px; }
  .ni-abbrev-row { padding: 12px 10px; }
}

/* ---------- Typography ---------- */
h1.ni-h1 {
  font: 800 clamp(26px, 3.6vw, 38px)/1.12 var(--font);
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
h2.ni-h2 {
  font: 800 clamp(20px, 2.6vw, 26px)/1.15 var(--font);
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.ni-eyebrow {
  font: 700 11px/1.2 var(--font);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand-text);
  margin: 0 0 10px;
}
.ni-sub {
  font: 400 15.5px/1.7 var(--font);
  color: var(--text-muted);
  margin: 0;
}

/* ---------- Buttons ---------- */
.ni-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 999px;
  font: 700 14px/1 var(--font);
  letter-spacing: .01em;
  cursor: pointer;
  text-decoration: none;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  border: 2px solid transparent;
}
.ni-btn--primary {
  background: var(--brand-strong);
  color: #fff;
  border-color: var(--brand-strong);
  box-shadow: 0 4px 14px rgba(47,122,67,.24);
}
.ni-btn--primary:hover {
  background: var(--brand-strong-dk);
  border-color: var(--brand-strong-dk);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(47,122,67,.3);
}
.ni-btn--primary:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.ni-btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: #fff;
}
.ni-btn--ghost:hover {
  border-color: var(--brand);
  color: var(--brand-dk);
  background: var(--brand-light);
}
.ni-btn--sm { padding: 9px 14px; font-size: 12.5px; }

/* ---------- Cards & panels ---------- */
.ni-card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.6vw, 28px);
  box-shadow: var(--shadow-sm);
}

.ni-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--brand-dk);
  color: #fff;
  border-radius: 999px;
  font: 700 11px/1 var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.ni-badge--soft {
  background: var(--brand-light);
  color: var(--brand-dk);
}
.ni-badge--amber {
  background: var(--amber-light);
  color: var(--amber);
}

.ni-chip {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font: 600 12.5px/1 var(--font);
}

/* ---------- Forms ---------- */
.ni-label {
  display: block;
  font: 700 12px/1.3 var(--font);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-light);
  margin: 0 0 6px;
}
.ni-input, .ni-textarea, .ni-select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 12px 14px;
  font: 400 15px/1.5 var(--font);
  color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.ni-input:focus, .ni-textarea:focus, .ni-select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(88,187,114,.18);
}
.ni-textarea {
  min-height: 220px;
  resize: vertical;
  font-size: 14.5px;
  line-height: 1.65;
}

/* ---------- Status / alerts ---------- */
.ni-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font: 500 13.5px/1.5 var(--font);
}
.ni-alert--info { background: var(--brand-light); color: var(--brand-text); }
.ni-alert--warn { background: var(--amber-light); color: var(--amber); }
.ni-alert--error { background: var(--danger-light); color: var(--danger); }

/* ---------- Spinner ---------- */
.ni-spinner {
  width: 16px; height: 16px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ni-spin .7s linear infinite;
}
@keyframes ni-spin { to { transform: rotate(360deg); } }

/* ================================================================
   Body map
   ================================================================ */
.ni-bodymap-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
  justify-items: center;
}
.ni-bodymap-view {
  width: 100%;
  max-width: 300px;
  text-align: center;
}
.ni-bodymap-view svg {
  width: 100%;
  height: auto;
  display: block;
}
.ni-bodymap-title {
  font: 700 12px/1.2 var(--font);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-top: 8px;
}

.ni-bm-region {
  fill: var(--map-base);
  stroke: var(--map-stroke);
  stroke-width: 1;
  transition: fill .25s ease, stroke .25s ease;
}
.ni-bm-deco {
  fill: var(--map-deco);
  stroke: var(--map-deco-stroke);
  stroke-width: 1;
}
.ni-bm-region.is-hover { stroke: var(--brand-dk); stroke-width: 1.5; }

/* Invisible enlarged hit layer — geometry only, no paint */
.ni-bm-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  pointer-events: none;
}
.ni-bm-hit.is-clickable {
  pointer-events: all;
  cursor: pointer;
}
.ni-bm-region.focus-primary {
  fill: var(--brand);
  stroke: var(--brand-dk);
  animation: ni-pulse 2.4s ease-in-out infinite;
}
.ni-bm-region.focus-secondary { fill: var(--brand-mid); stroke: var(--brand); }
.ni-bm-region.focus-related { fill: var(--brand-pale); stroke: var(--brand-mid); }
.ni-bm-region.is-selected { stroke: var(--text); stroke-width: 2; }
@keyframes ni-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .68; }
}
@media (prefers-reduced-motion: reduce) {
  .ni-bm-region.focus-primary { animation: none; }
}

.ni-bodymap-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 14px;
}
.ni-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 600 12px/1 var(--font);
  color: var(--text-muted);
}
.ni-legend-swatch {
  width: 13px; height: 13px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,.08);
}
.ni-legend-swatch--primary { background: var(--brand); }
.ni-legend-swatch--secondary { background: var(--brand-mid); }
.ni-legend-swatch--related { background: var(--brand-pale); }
/* side is shown by which half of the vertebra is filled, so the swatches split too */
.ni-legend-swatch--left { background: linear-gradient(to right, var(--brand) 0 50%, var(--map-base) 50% 100%); }
.ni-legend-swatch--right { background: linear-gradient(to right, var(--map-base) 0 50%, var(--brand) 50% 100%); }
.ni-legend-swatch--both { background: var(--brand); }

/* ---------- Brain + spine map ---------- */
.ni-spinemap { display: flex; justify-content: center; padding: 4px 0; }
.ni-spinemap svg { width: 100%; max-width: 340px; height: auto; display: block; }
.ni-map-hint { text-align: center; font-size: 12.5px; margin-top: 12px; color: var(--text-light); }

/* vertebrae + coccyx — each vertebra splits into left / right halves */
.ni-sm-half {
  fill: var(--map-base);
  stroke: none;
  transition: fill .22s ease;
}
.ni-sm-half.is-worked { fill: var(--brand); }         /* worked side filled; position (L/R) conveys the side */
.ni-sm-seam { stroke: #fff; stroke-width: 0.9; opacity: .85; pointer-events: none; }
.ni-sm-side-head {
  font: 700 7px/1 var(--font);
  letter-spacing: .06em; fill: var(--text-light); opacity: .8;
}
.ni-sm-vert {
  fill: none;                    /* outline only — the halves carry the fill */
  stroke: var(--map-stroke);
  stroke-width: 0.8;
  transition: stroke .22s ease, filter .22s ease;
}
.ni-sm-vert.is-on { stroke: var(--brand-dk); stroke-width: 1.1; }
.ni-sm-coccyx { fill: var(--map-base); }                /* coccyx has no halves — needs a base fill */
.ni-sm-vert.is-worked { fill: var(--brand); }          /* coccyx (single shape) when worked */
.ni-sm-vert-g.is-clickable, .ni-sm-vert.is-clickable { cursor: pointer; }
.ni-sm-vert-g.is-clickable:hover .ni-sm-vert { filter: url(#ni-sel-glow); stroke: var(--brand-dk); }
.ni-sm-vert.is-clickable:hover { filter: url(#ni-sel-glow); }
.ni-sm-vert.is-selected { stroke: var(--text); stroke-width: 1.8; filter: url(#ni-sel-glow); }

/* brain — anatomical pink, kept pink even when highlighted (stroke deepens instead) */
.ni-sm-brain {
  fill: #e7a6ac;
  stroke: #b9737c;
  stroke-width: 1;
  transition: fill .25s ease, stroke .25s ease, filter .25s ease;
}
.ni-sm-brainstem { fill: #d98f96; stroke: #b9737c; stroke-width: 1; }
.ni-sm-gyri { stroke: #b9737c; stroke-width: 0.8; opacity: .55; transition: stroke .25s ease, opacity .25s ease; }
.ni-sm-brain-g.is-on .ni-sm-brain { fill: #e79aa1; stroke: var(--brand-dk); stroke-width: 1.6; }
.ni-sm-brain-g.is-on .ni-sm-brainstem { fill: #d4848c; stroke: var(--brand-dk); }
.ni-sm-brain-g.is-on .ni-sm-gyri { stroke: #a85e67; opacity: .75; }
.ni-sm-brain-g.is-clickable { cursor: pointer; }
.ni-sm-brain-g.is-clickable:hover .ni-sm-brain { filter: url(#ni-sel-glow); }
/* selection emphasises the specific part: cerebrum vs brainstem */
.ni-sm-brain-g.is-selected.sel-cerebrum .ni-sm-brain { stroke: var(--brand-dk); stroke-width: 2.2; filter: url(#ni-sel-glow); }
.ni-sm-brain-g.is-selected.sel-stem .ni-sm-brainstem { stroke: var(--brand-dk); stroke-width: 2.4; filter: url(#ni-sel-glow); }
.ni-sm-brain-g.is-selected.sel-stem .ni-sm-brain { opacity: .68; }   /* de-emphasise cerebrum when the stem is the focus */
/* hotspot marker: a pulsing dot over a specific brain region */
.ni-sm-hotspot-dot { fill: var(--brand-dk); }
.ni-sm-hotspot-ring {
  fill: none; stroke: var(--brand-dk); stroke-width: 1.4;
  transform-box: fill-box; transform-origin: center;
  animation: ni-hotspot-pulse 1.7s ease-out infinite;
}
@keyframes ni-hotspot-pulse {
  0% { transform: scale(.5); opacity: .95; }
  70% { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1.8); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .ni-sm-hotspot-ring { animation: none; opacity: .8; } }
.ni-sm-brain-label {
  font: 800 9px/1 var(--font);
  letter-spacing: .12em; text-transform: uppercase; fill: var(--brand-dk);
  paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round;
}

/* labels + organs */
.ni-sm-group-label {
  font: 700 8px/1 var(--font);
  letter-spacing: .1em; text-transform: uppercase; fill: var(--text-light);
}
.ni-sm-auto.is-clickable { cursor: pointer; }
.ni-sm-auto-mark {
  font: 700 12px/1 var(--font);
  fill: var(--brand-dk);
  pointer-events: none;
}
.ni-sm-auto-dot { fill: var(--brand-light); stroke: var(--brand); stroke-width: 1.5; transition: fill .2s ease, stroke-width .2s ease; }
.ni-sm-auto.is-selected .ni-sm-auto-dot { stroke-width: 3; fill: var(--brand-mid); filter: url(#ni-sel-glow); }
.ni-sm-auto:hover .ni-sm-auto-dot { fill: var(--brand-mid); }
@media (prefers-reduced-motion: reduce) { .ni-sm-vagus { stroke-dasharray: none; } }

/* Tract route overlay on the spine */
.ni-sm-tract {
  stroke: var(--brand-dk);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .9;
}
.ni-sm-tract-tick { stroke: var(--brand-dk); stroke-width: 1.4; opacity: .55; }
.ni-sm-tract-dot { fill: var(--brand-dk); }
.ni-sm-vert.in-tract { stroke: var(--brand-dk); stroke-width: 1.6; }

.ni-detail-section {
  font: 700 11px/1.2 var(--font);
  letter-spacing: .1em; text-transform: uppercase; color: var(--brand-dk);
  margin: 8px 0 2px; padding-left: 2px;
}
.ni-detail-section:first-child { margin-top: 0; }
.ni-auto-card { background: linear-gradient(160deg, var(--brand-light), #fff 60%); }
.ni-relates-label { color: var(--brand-dk); }
.ni-worked-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; }
.ni-worked-list li {
  position: relative; padding-left: 20px;
  font: 400 13.5px/1.55 var(--font); color: var(--text-muted);
}
.ni-worked-list li::before {
  content: "•"; position: absolute; left: 4px; color: var(--brand); font-weight: 800;
}
.ni-lifestyle-card { background: linear-gradient(160deg, var(--brand-light), #fff 55%); }
/* Progress card — highlighted for follow-up sessions (progress-led layout) */
.ni-progress-card {
  background: linear-gradient(160deg, var(--brand-light), #fff 60%);
  border-color: var(--brand);
  border-left: 4px solid var(--brand);
}
.ni-progress-card .ni-eyebrow { color: var(--brand-dk); }
.ni-progress-card .ni-sub { font-size: clamp(15px, 1.8vw, 16.5px); color: var(--text); }
/* Session-type segmented control (studio) */
.ni-segmented { display: inline-flex; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 999px; padding: 3px; gap: 2px; }
.ni-segmented button {
  border: none; background: transparent; cursor: pointer;
  font: 600 13px/1 var(--font); color: var(--text-muted);
  padding: 8px 16px; border-radius: 999px; transition: all .18s ease;
}
.ni-segmented button.is-active { background: #fff; color: var(--brand-dk); box-shadow: var(--shadow-sm); }
.ni-carry-hint { font-size: 12px; color: var(--brand-dk); margin-top: 6px; }
.ni-tract-runs { margin-top: 12px; font: 500 13px/1.6 var(--font); color: var(--text-muted); }
.ni-tract-runs .ni-relates-label { color: var(--brand-dk); }

/* Exercise program card (therapist pastes a program link, e.g. Prehab Guys) */
.ni-exercise-card {
  margin-top: 20px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dk) 100%);
  border: none;
  color: #fff;
}
.ni-exercise-head { display: flex; align-items: center; gap: 14px; }
.ni-exercise-icon {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 13px;
  background: rgba(255,255,255,.16);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.ni-exercise-card .ni-eyebrow { color: rgba(255,255,255,.82); }
.ni-exercise-title { margin: 2px 0 0; font: 800 19px/1.25 var(--font); color: #fff; }
.ni-exercise-note {
  margin: 14px 0 0; color: rgba(255,255,255,.92);
  font: 400 14px/1.6 var(--font);
}
.ni-exercise-actions {
  margin-top: 18px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.ni-exercise-card .ni-btn--primary {
  background: #fff; color: var(--brand-dk); border-color: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,.14);
}
.ni-exercise-card .ni-btn--primary:hover {
  background: #fff; color: var(--brand-dk);
  transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.2);
}
.ni-exercise-host {
  font: 600 12px/1 var(--font); color: rgba(255,255,255,.95);
  letter-spacing: .01em;
}
@media print {
  .ni-exercise-card { background: #fff !important; color: var(--text) !important; border: 1px solid var(--border) !important; }
  .ni-exercise-card .ni-eyebrow, .ni-exercise-title, .ni-exercise-note, .ni-exercise-host { color: var(--text) !important; }
  .ni-exercise-icon { background: var(--brand-light) !important; }
}

/* ================================================================
   Session view (shared: therapist preview + client portal)
   ================================================================ */
.ni-session-view {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
  container-type: inline-size;
}

.ni-sv-header { text-align: center; max-width: 720px; margin: 0 auto; }
.ni-sv-eyebrow {
  font: 500 10.5px/1.3 var(--font);
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-light);
  margin: 0 0 12px;
}
.ni-sv-title {
  font: 800 clamp(23px, 3.2vw, 32px)/1.14 var(--font);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.ni-sv-date {
  font: 600 12.5px/1.2 var(--font);
  color: var(--text-light);
  margin-bottom: 10px;
}
.ni-sv-summary {
  font: 400 clamp(15px, 1.8vw, 16.5px)/1.7 var(--font);
  color: var(--text-muted);
  margin: 14px 0 0;
}

.ni-sv-map-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  grid-template-areas: "map detail" "map index";
  gap: clamp(16px, 2.2vw, 28px);
  align-items: start;
}
.ni-sv-area-map { grid-area: map; }
.ni-sv-area-detail { grid-area: detail; }
.ni-sv-area-index { grid-area: index; display: grid; gap: 14px; }
.ni-sv-mapcard { position: sticky; top: 84px; }
.ni-sv-side { display: grid; gap: 14px; }

/* Single detail panel */
.ni-sv-detail {
  border-color: var(--brand);
  background: linear-gradient(165deg, var(--brand-light), #fff 55%);
  min-height: 150px;
}
.ni-sv-detail-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 2px;
}
.ni-sv-detail-title {
  margin: 0;
  font: 800 clamp(19px, 2.2vw, 24px)/1.15 var(--font);
  letter-spacing: -0.01em;
  color: var(--ink);
}
.ni-sv-detail .ni-region-found { margin-top: 12px; font-size: 14.5px; }
.ni-sv-detail .ni-worked-list { margin-top: 12px; }

/* Compact index */
.ni-sv-index { display: grid; gap: 12px; }
.ni-idx-group {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
}
.ni-idx-label {
  font: 500 9.5px/1 var(--font);
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-light);
  margin: 0 0 9px;
}
.ni-idx-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ni-idx-bands { display: grid; gap: 2px; }
.ni-idx-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 12px/1 var(--font);
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 11px;
  cursor: pointer;
  transition: all .18s ease;
}
.ni-idx-chip:hover { border-color: var(--brand); background: var(--brand-light); }
.ni-idx-chip.is-active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.ni-idx-chip.is-active .ni-idx-dot { outline: 1.5px solid rgba(255,255,255,.7); }
.ni-idx-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand-pale);
  flex-shrink: 0;
}
.ni-idx-dot.side-left { background: linear-gradient(to right, var(--brand) 0 50%, var(--brand-pale) 50% 100%); }
.ni-idx-dot.side-right { background: linear-gradient(to right, var(--brand-pale) 0 50%, var(--brand) 50% 100%); }
.ni-idx-dot.side-both { background: var(--brand); }
.ni-idx-band {
  display: grid;
  grid-template-columns: 62px 1fr;
  align-items: start;
  gap: 8px;
  padding: 5px 0;
}
.ni-idx-band + .ni-idx-band { border-top: 1px dashed var(--border); }
.ni-idx-band-label {
  font: 500 10px/1.6 var(--font);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-light);
  padding-top: 5px;
}
.ni-idx-band-pills { display: flex; flex-wrap: wrap; gap: 6px; }

@media (max-width: 900px) {
  /* single column, detail floats ABOVE the map and stays visible while you tap */
  .ni-sv-map-layout { grid-template-columns: 1fr; grid-template-areas: "detail" "map" "index"; }
  .ni-sv-mapcard { position: static; }
  .ni-sv-area-detail { position: sticky; top: 56px; z-index: 5; }
  .ni-sv-area-detail .ni-sv-detail { max-height: 62vh; overflow-y: auto; box-shadow: var(--shadow-md); }
}
/* Session view sizes to its own column (e.g. the studio preview column),
   not just the viewport */
@container (max-width: 820px) {
  .ni-sv-map-layout { grid-template-columns: 1fr; grid-template-areas: "detail" "map" "index"; }
  .ni-sv-mapcard { position: static; }
}
@container (max-width: 620px) {
  .ni-sv-columns { grid-template-columns: 1fr; }
}

.ni-sv-region-detail { display: grid; gap: 14px; }
.ni-region-card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.ni-region-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.ni-region-card:hover { border-color: var(--brand); box-shadow: var(--shadow-md); }
.ni-region-card:hover::after, .ni-region-card.is-active::after { transform: scaleX(1); }
.ni-region-card.is-active { border-color: var(--brand); background: linear-gradient(160deg, var(--brand-light), #fff 55%); }
.ni-region-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.ni-region-card h4 {
  margin: 0;
  font: 800 15.5px/1.3 var(--font);
}
.ni-focus-pill {
  font: 700 10px/1 var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
}
.ni-focus-pill--primary { background: var(--brand-dk); color: #fff; }
.ni-focus-pill--secondary { background: var(--brand-light); color: var(--brand-dk); }
.ni-focus-pill--related { background: var(--bg-alt); color: var(--text-light); }

/* Side pills (spine detail) — text conveys the side; a split marker echoes the map */
.ni-side-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font: 700 10px/1 var(--font);
  letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 11px 5px 9px; border-radius: 999px;
  background: var(--brand-light); color: var(--brand-dk);
}
.ni-side-pill::before {
  content: ""; width: 10px; height: 10px; border-radius: 3px;
  border: 1px solid rgba(95,68,136,.35); flex-shrink: 0;
}
.ni-side-pill--left::before { background: linear-gradient(to right, var(--brand) 0 50%, #fff 50% 100%); }
.ni-side-pill--right::before { background: linear-gradient(to right, #fff 0 50%, var(--brand) 50% 100%); }
.ni-side-pill--both::before { background: var(--brand); }
.ni-region-found {
  font: 400 14px/1.65 var(--font);
  color: var(--text-muted);
  margin: 10px 0 0;
}
.ni-region-techs { margin: 12px 0 0; display: grid; gap: 10px; }
.ni-tech {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
.ni-tech-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}
.ni-tech b { font: 700 13.5px/1.4 var(--font); display: block; }
.ni-tech span { font: 400 13px/1.55 var(--font); color: var(--text-muted); }

.ni-sv-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}
@media (max-width: 768px) { .ni-sv-columns { grid-template-columns: 1fr; } }

.ni-homecare-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 12px; }
.ni-homecare-list li {
  position: relative;
  padding-left: 34px;
  font: 400 14px/1.65 var(--font);
  color: var(--text-muted);
}
.ni-homecare-list li b { color: var(--text); display: block; font-weight: 700; }
.ni-homecare-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 2px;
  color: var(--brand);
  font-weight: 800;
  width: 22px; height: 22px;
  background: var(--brand-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

/* ================================================================
   Therapist app layout
   ================================================================ */
.ni-app-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(20px, 2.6vw, 32px);
  align-items: start;
  padding: clamp(24px, 3.4vw, 44px) 0 64px;
}
@media (max-width: 980px) { .ni-app-grid { grid-template-columns: 1fr; } }

.ni-client-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.ni-client-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  font: 600 14px/1.3 var(--font);
  color: var(--text);
  transition: all .2s ease;
}
.ni-client-item:hover { border-color: var(--brand); background: var(--brand-light); }
.ni-client-item.is-active {
  border-color: var(--brand);
  background: var(--brand-light);
  box-shadow: 0 0 0 3px rgba(88,187,114,.15);
}
.ni-client-item .count {
  font: 600 11.5px/1 var(--font);
  color: var(--text-light);
  background: var(--bg-alt);
  padding: 4px 9px;
  border-radius: 999px;
  flex-shrink: 0;
}
.ni-client-right { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.ni-client-edit {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%; border: none; padding: 0;
  font-size: 13px; color: var(--text-light); background: var(--bg-alt);
  cursor: pointer; transition: all .18s ease; flex-shrink: 0;
}
.ni-client-edit:hover { background: var(--brand); color: #fff; }
.ni-client-edit:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }

/* ---------- Note decoder + code lookup (studio) ---------- */
.ni-input--sm { padding: 7px 12px; font-size: 13px; width: 220px; }
.ni-abbrev-search { position: relative; }
.ni-abbrev-results {
  position: absolute; z-index: 30; top: calc(100% + 4px); right: 0;
  width: min(420px, 78vw); max-height: 300px; overflow-y: auto;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 6px;
}
.ni-abbrev-row {
  display: block; width: 100%; text-align: left; border: none; background: transparent;
  padding: 8px 10px; border-radius: 9px; cursor: pointer; font: 400 13px/1.4 var(--font); color: var(--text-muted);
}
.ni-abbrev-row:hover { background: var(--brand-light); }
.ni-abbrev-row b { color: var(--brand-dk); font-weight: 700; margin-right: 6px; }
.ni-abbrev-cat { display: block; font-size: 11px; color: var(--text-light); margin-top: 2px; }
.ni-abbrev-empty { padding: 10px; color: var(--text-light); font-size: 13px; }

.ni-decoder {
  margin-top: 10px; border: 1px solid var(--border); border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm); background: var(--bg-soft); padding: 12px 14px;
}
.ni-decoder-head { margin: 0 0 8px; font: 700 12px/1.2 var(--font); color: var(--brand-dk); }
.ni-decoder-sub { color: var(--text-light); font-weight: 500; }
.ni-dec-line { font: 400 13px/1.7 var(--font); color: var(--text-muted); padding: 2px 0; }
.ni-dec-lvl { color: var(--text); font-weight: 800; }
.ni-dec-struct { color: var(--anat-dk); font-weight: 600; }   /* purple = anatomy, consistent with the map */
.ni-dec-mod { color: var(--text-muted); }
.ni-dec-alt { color: var(--text-light); font-size: 12px; }
.ni-dec-unk { color: var(--text-light); font-style: italic; border-bottom: 1px dotted var(--border-strong); }
.ni-dec-dot { color: var(--border-strong); margin: 0 6px; }

.ni-access-code {
  font: 700 13px/1 var(--font);
  letter-spacing: .09em;
  background: var(--bg-alt);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--brand-dk);
}

.ni-form-row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .ni-form-row { grid-template-columns: 1fr; } }

.ni-history-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.ni-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  font: 600 13px/1.4 var(--font);
}
.ni-history-item span { color: var(--text-light); font-weight: 500; font-size: 12px; }

/* ================================================================
   Portal
   ================================================================ */
.ni-portal-hero {
  text-align: center;
  padding: clamp(24px, 4vw, 44px) var(--space-side) clamp(16px, 2.6vw, 26px);
}
.ni-login-card {
  max-width: 440px;
  margin: 0 auto 40px;
  text-align: center;
}
.ni-login-card .ni-input {
  text-align: center;
  font: 700 18px/1.2 var(--font);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.ni-portal-main { padding-top: clamp(14px, 2vw, 22px); padding-bottom: 48px; }

.ni-session-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.ni-session-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all .25s ease;
  font-family: var(--font);
}
.ni-session-list-item:hover {
  transform: translateY(-2px);
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}
.ni-session-list-item b { font: 800 15.5px/1.3 var(--font); }
.ni-session-list-item span { font: 500 12.5px/1.4 var(--font); color: var(--text-light); }
.ni-session-list-item .arrow { color: var(--brand); font-weight: 800; font-size: 18px; flex-shrink: 0; }
.ni-sli-titlerow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 3px; }
.ni-sli-badge {
  font: 700 10px/1 var(--font); letter-spacing: .06em; text-transform: uppercase;
  color: #fff; background: var(--brand-strong); padding: 3px 8px; border-radius: 999px;
}

/* ---------- "Your journey so far" — progress story across visits ---------- */
.ni-journey {
  background: linear-gradient(135deg, var(--brand-light), #fff 62%);
  border: 1px solid var(--border); border-left: 3px solid var(--brand);
  border-radius: var(--radius-lg); padding: clamp(18px, 2.5vw, 26px); margin-bottom: 16px;
}
.ni-journey-stats { display: flex; align-items: baseline; gap: 14px; margin-top: 4px; flex-wrap: wrap; }
.ni-journey-stat { font: 400 15px/1 var(--font); color: var(--text); }
.ni-journey-stat b { font: 800 26px/1 var(--font); color: var(--brand-dk); margin-right: 3px; }
.ni-journey-since { font: 500 13px/1 var(--font); color: var(--text-light); }
.ni-journey-quote {
  margin: 14px 0 0; padding: 0; border: none;
  font: 500 clamp(15px, 1.9vw, 17px)/1.55 var(--font); color: var(--text);
}
.ni-journey-quote cite {
  display: block; margin-top: 8px; font: 600 12.5px/1.3 var(--font); color: var(--text-light); font-style: normal;
}
.ni-journey-timeline { display: flex; align-items: flex-start; margin-top: 18px; overflow-x: auto; padding-bottom: 4px; }
.ni-journey-dot {
  position: relative; flex: 1 0 auto; min-width: 56px; background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 4px 2px;
}
.ni-journey-dot::before {
  content: ""; position: absolute; top: 12px; left: -50%; width: 100%; height: 2px; background: var(--brand-pale); z-index: 0;
}
.ni-journey-dot:first-child::before { display: none; }
.ni-journey-dotmark { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid var(--brand-mid); z-index: 1; transition: all .2s ease; }
.ni-journey-dot.is-latest .ni-journey-dotmark { background: var(--brand-strong); border-color: var(--brand-strong); box-shadow: 0 0 0 4px var(--brand-light); }
.ni-journey-dotlabel { font: 600 11px/1 var(--font); color: var(--text-light); white-space: nowrap; }
.ni-journey-dot.is-latest .ni-journey-dotlabel { color: var(--brand-dk); }
.ni-journey-dot:hover .ni-journey-dotmark { border-color: var(--brand-strong); transform: scale(1.12); }
.ni-journey-dot:focus-visible { outline: 2px solid var(--brand-dk); outline-offset: 2px; border-radius: 8px; }

.ni-sv-journey { font: 600 12.5px/1.45 var(--font); color: var(--brand-dk); margin: 12px 0 0; }

/* ---------- Print-only clinic header/footer (Save as PDF) ---------- */
.ni-print-header, .ni-print-footer { display: none; }
.ni-print-logo { display: inline-flex; align-items: center; gap: 8px; font: 800 15px/1 var(--font); color: var(--text); }
.ni-print-contact { font: 600 12px/1 var(--font); color: var(--text-muted); }
.ni-print-footer { font: 500 11px/1.4 var(--font); color: var(--text-light); }

/* ---------- Reveal ---------- */
.ni-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.ni-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Focus: no default box; branded ring for keyboard only ---------- */
.ni-sm-vert, .ni-sm-brain-g, .ni-sm-auto, .ni-bm-region, .ni-bm-hit, .ni-idx-chip {
  outline: none;
  -webkit-tap-highlight-color: transparent;
}
.ni-idx-chip:focus-visible {
  box-shadow: 0 0 0 3px var(--brand-pale);
  border-color: var(--brand);
}
.ni-sm-vert:focus-visible, .ni-sm-brain-g:focus-visible, .ni-sm-auto:focus-visible {
  filter: url(#ni-sel-glow);
  outline: 3px solid var(--anat-dk); outline-offset: 2px;   /* solid ring, distinct from selection */
}
.ni-bm-hit:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
.ni-sm-hit { cursor: inherit; }

/* ---------- Gentle entrance for the session summary ---------- */
.ni-session-view > * {
  animation: ni-fade-up .55s cubic-bezier(.16,1,.3,1) both;
}
.ni-session-view > *:nth-child(1) { animation-delay: 0s; }
.ni-session-view > *:nth-child(2) { animation-delay: .06s; }
.ni-session-view > *:nth-child(3) { animation-delay: .12s; }
.ni-session-view > *:nth-child(4) { animation-delay: .18s; }
.ni-session-view > *:nth-child(5) { animation-delay: .24s; }
@keyframes ni-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Print / Save as PDF (client session) ---------- */
@media print {
  @page { margin: 14mm; }
  body { background: #fff; }
  .ni-topbar, .no-print, #rebookBtn,
  .ni-portal-hero, .ni-session-list-item .arrow { display: none !important; }
  .ni-sv-mapcard { position: static !important; }
  .ni-card, .ni-idx-group, .ni-sm-vert, .ni-sm-brain-g { box-shadow: none !important; }
  .ni-session-view > * { animation: none !important; }
  /* stack map + detail on paper so nothing clips at A4 width */
  .ni-sv-map-layout { grid-template-columns: 1fr !important; }
  .ni-spinemap svg { max-width: 300px !important; }
  /* clinic header + footer only on the printed page */
  .ni-print-header {
    display: flex !important; align-items: center; justify-content: space-between;
    padding-bottom: 10px; margin-bottom: 14px; border-bottom: 1.5px solid var(--brand);
  }
  .ni-print-footer {
    display: block !important; margin-top: 18px; padding-top: 10px;
    border-top: 1px solid var(--border); text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .ni-reveal { opacity: 1; transform: none; }
  .ni-session-view > * { animation: none; }
}