/* ===================================================================
   KDCube Architecture Explorer — module styles
   Namespaced `ax-`. All colors via CSS variables so both the site's
   dark default (:root) and light theme ([data-theme="light"]) work.
   Site-wide chrome (header/footer/theme) comes from styles.css.
   =================================================================== */

:root {
  /* Kind colors map to the brand palette (theme-stable brand tokens). */
  --ax-platform: var(--kd-teal);
  --ax-app:      var(--kd-purple);
  --ax-infra:    var(--kd-blue);
  --ax-client:   var(--kd-sky);
  --ax-platform-rgb: 1, 190, 178;
  --ax-app-rgb:      107, 99, 254;
  --ax-infra-rgb:    67, 114, 195;
  --ax-client-rgb:   56, 184, 200;

  /* Surfaces (dark defaults) */
  --ax-surface:      rgba(20, 28, 46, 0.72);
  --ax-surface-2:    rgba(27, 35, 53, 0.85);
  --ax-canvas-bg:    #0A1120;
  --ax-band-a:       rgba(255, 255, 255, 0.015);
  --ax-band-b:       rgba(255, 255, 255, 0.045);
  --ax-band-label:   rgba(13, 20, 36, 0.55);
  --ax-card-bg:      rgba(30, 40, 60, 0.72);
  --ax-card-bg-hover:rgba(38, 50, 74, 0.9);
  --ax-border:       rgba(255, 255, 255, 0.1);
  --ax-border-soft:  rgba(255, 255, 255, 0.06);
  --ax-childrow-bg:  rgba(255, 255, 255, 0.03);

  /* Accent (SDK) band — "you build this" */
  --ax-accent-band:  rgba(107, 99, 254, 0.08);
  --ax-accent-label: rgba(107, 99, 254, 0.16);
  --ax-accent-line:  rgba(107, 99, 254, 0.55);

  /* Governance gates */
  --ax-gate:      var(--kd-gold);
  --ax-gate-rgb:  240, 188, 46;

  /* Planned / roadmap items */
  --ax-planned:      #A78BFA;
  --ax-planned-rgb:  167, 139, 250;

  /* Blueprint dot grid */
  --ax-dot: rgba(255, 255, 255, 0.05);

  /* Edges */
  --ax-edge:      rgba(255, 255, 255, 0.16);
  --ax-edge-on:   var(--accent);
  --ax-edge-flow: var(--kd-teal);

  /* Type / radius */
  --ax-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --ax-r-lg: 12px;
  --ax-r-md: 8px;
  --ax-r-sm: 6px;
  --ax-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] {
  --ax-surface:      #FFFFFF;
  --ax-surface-2:    #F6FAFA;
  --ax-canvas-bg:    #EEF5F5;
  --ax-band-a:       rgba(13, 30, 44, 0.015);
  --ax-band-b:       rgba(13, 30, 44, 0.04);
  --ax-band-label:   rgba(255, 255, 255, 0.7);
  --ax-card-bg:      #FFFFFF;
  --ax-card-bg-hover:#FFFFFF;
  --ax-border:       #D8ECEB;
  --ax-border-soft:  #E6F1F0;
  --ax-childrow-bg:  rgba(1, 190, 178, 0.04);
  --ax-edge:         rgba(13, 30, 44, 0.2);
  --ax-edge-on:      var(--kd-teal-dark);
  --ax-edge-flow:    var(--kd-teal-dark);
  --ax-shadow:       0 10px 30px rgba(13, 30, 44, 0.1);
  --ax-accent-band:  rgba(107, 99, 254, 0.06);
  --ax-accent-label: rgba(107, 99, 254, 0.1);
  --ax-accent-line:  rgba(107, 99, 254, 0.5);
  --ax-gate:      #B8860B;
  --ax-gate-rgb:  184, 134, 11;
  --ax-planned:      #7C5CD6;
  --ax-planned-rgb:  124, 92, 214;
  --ax-dot: rgba(13, 30, 44, 0.07);
}

/* ---------------------------------------------------------------- Shell */
.ax-main {
  padding-top: clamp(78px, 10vh, 96px); /* clear fixed header (~72-77px rendered) */
  height: 100vh;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
@supports (height: 100svh) { .ax-main { height: 100svh; } }

.ax-app {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* Page bar */
.ax-pagebar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 14px clamp(16px, 3vw, 28px) 10px;
  border-bottom: 1px solid var(--ax-border-soft);
}
.ax-eyebrow {
  margin: 0 0 2px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.ax-h1 {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}
.ax-search {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 240px;
  flex: 0 1 340px;
}
.ax-search-ico {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
.ax-search-input {
  width: 100%;
  padding: 9px 34px 9px 36px;
  font: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--ax-surface);
  border: 1px solid var(--ax-border);
  border-radius: 999px;
  transition: border-color 0.25s var(--ease-smooth), box-shadow 0.25s var(--ease-smooth);
}
.ax-search-input::placeholder { color: var(--text-muted); }
.ax-search-input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.25);
}
.ax-search-clear {
  position: absolute;
  right: 8px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  padding: 0;
  font-size: 1.05rem;
  line-height: 1;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}
.ax-search-clear:hover { color: var(--text); background: var(--ax-border-soft); }

/* Toolbar */
.ax-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px clamp(16px, 3vw, 28px);
  border-bottom: 1px solid var(--ax-border-soft);
}
.ax-field { display: flex; align-items: center; gap: 8px; }
.ax-field-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.ax-select {
  font: inherit;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--ax-surface);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-r-md);
  padding: 7px 30px 7px 12px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A99B0' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.ax-select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.25);
}
.ax-toolbar-spacer { flex: 1 1 auto; }
.ax-btn {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--ax-surface);
  border: 1px solid var(--ax-border);
  border-radius: var(--ax-r-md);
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}
.ax-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.ax-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* mobile toggle chip (left panel) */
.ax-chip {
  display: none;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--ax-surface);
  border: 1px solid var(--ax-border);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
}
.ax-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ------------------------------------------------------------- 3-pane body */
.ax-body {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 344px;
}

/* Merged right panel — list view (tabs) + details view */
.ax-panel-list,
.ax-panel-details {
  min-height: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}
.ax-panel-list[hidden],
.ax-panel-details[hidden] { display: none; }

.ax-tabs {
  display: flex;
  gap: 2px;
  padding: 10px 10px 0;
  border-bottom: 1px solid var(--ax-border-soft);
  overflow-x: auto;
  scrollbar-width: none;
}
.ax-tabs::-webkit-scrollbar { display: none; }
.ax-tab {
  flex: 1 1 auto;
  white-space: nowrap;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 8px 6px 10px;
  cursor: pointer;
  transition: color 0.2s var(--ease-smooth), border-color 0.2s var(--ease-smooth);
}
.ax-tab:hover { color: var(--text-dim); }
.ax-tab.is-active { color: var(--text); border-bottom-color: var(--accent); }
.ax-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 4px; }

.ax-tabpanel { overflow-y: auto; padding: 10px; flex: 1 1 auto; min-height: 0; }

.ax-list-item {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--text-dim);
  background: var(--ax-card-bg);
  border: 1px solid var(--ax-border-soft);
  border-left: 3px solid transparent;
  border-radius: var(--ax-r-md);
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
}
.ax-list-item:hover {
  border-color: var(--ax-border);
  border-left-color: var(--accent);
  transform: translateX(2px);
}
.ax-list-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ax-list-item.is-active {
  border-color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
}
.ax-list-name { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text); }
.ax-list-blurb { display: block; margin-top: 3px; font-size: 0.78rem; line-height: 1.4; color: var(--text-muted); }

.ax-full-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 2px 2px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}
.ax-full-link:hover { text-decoration: underline; }

/* Examples: name + tag badge */
.ax-list-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ax-list-head .ax-list-name { flex: 0 1 auto; }
.ax-tagbadge {
  flex: 0 0 auto;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.ax-tagbadge--live { color: var(--kd-teal); background: rgba(1, 190, 178, 0.12); border-color: rgba(1, 190, 178, 0.4); }
.ax-tagbadge--open-source  { color: var(--kd-purple); background: rgba(107, 99, 254, 0.12); border-color: rgba(107, 99, 254, 0.4); }

/* Changelog list */
.ax-cl-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.ax-chip-status {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.ax-chip-status--shipped { color: var(--kd-teal); background: rgba(1, 190, 178, 0.12); border-color: rgba(1, 190, 178, 0.4); }
.ax-chip-status--open    { color: var(--kd-gold); background: rgba(240, 188, 46, 0.14); border-color: rgba(240, 188, 46, 0.45); }
.ax-cl-date { font-size: 0.72rem; color: var(--text-muted); }
.ax-cl-ver { font-family: var(--ax-mono); font-size: 0.7rem; color: var(--text-dim); }
.ax-cl-title { font-size: 0.86rem; }

/* Under discussion (open questions) */
.ax-oq-section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--ax-border);
}
.ax-oq-title {
  margin: 0 0 4px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kd-gold);
}
.ax-oq-note { margin: 0 0 10px; font-size: 0.74rem; line-height: 1.4; color: var(--text-muted); }
.ax-oq-item {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--text-dim);
  background: transparent;
  border: 1px dashed var(--ax-border);
  border-radius: var(--ax-r-md);
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
}
.ax-oq-item:hover { border-color: var(--kd-gold); transform: translateX(2px); }
.ax-oq-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ax-oq-item.is-active { border-color: var(--kd-gold); background: rgba(240, 188, 46, 0.07); }
.ax-oq-topic { display: block; font-size: 0.84rem; font-weight: 700; color: var(--text); }
.ax-oq-detail { display: block; margin-top: 3px; font-size: 0.76rem; line-height: 1.45; color: var(--text-muted); }

/* --------------------------------------------------------------- Canvas */
.ax-canvas {
  position: relative;
  min-height: 0;
  overflow: auto;
  background-color: var(--ax-canvas-bg);
  /* blueprint surface: faint dot grid the layered bands float on */
  background-image: radial-gradient(circle, var(--ax-dot) 1px, transparent 1.3px);
  background-size: 22px 22px;
  scroll-behavior: smooth;
}
.ax-canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.ax-canvas-inner {
  position: relative;
  min-width: min-content;
  display: flex;
  flex-direction: column;
}

.ax-edges {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  overflow: visible;
  pointer-events: none;
}

/* Band */
.ax-band {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--ax-border-soft);
}
.ax-band:nth-child(odd of .ax-band) { background: var(--ax-band-a); }
.ax-band:nth-child(even of .ax-band) { background: var(--ax-band-b); }
/* fallback for browsers without `of` selector */
.ax-band:nth-child(odd) { background: var(--ax-band-a); }
.ax-band:nth-child(even) { background: var(--ax-band-b); }

/* Accent band (SDK — "you build this; everything below runs it") */
.ax-band--accent,
.ax-band--accent:nth-child(odd),
.ax-band--accent:nth-child(even) { background: var(--ax-accent-band); }
.ax-band--accent .ax-band-label {
  background: var(--ax-accent-label);
  box-shadow: inset 3px 0 0 var(--ax-accent-line);
}
.ax-band--accent .ax-band-name { color: var(--kd-purple); }

/* Gate band (Governance — the checkpoint strip every call crosses) */
.ax-band--gate,
.ax-band--gate:nth-child(odd),
.ax-band--gate:nth-child(even) { background: rgba(var(--ax-gate-rgb), 0.06); }
.ax-band--gate .ax-band-label {
  background: rgba(var(--ax-gate-rgb), 0.12);
  box-shadow: inset 3px 0 0 rgba(var(--ax-gate-rgb), 0.6);
}
.ax-band--gate .ax-band-name { color: var(--ax-gate); }

.ax-band-label {
  position: sticky;
  left: 0;
  z-index: 3;
  flex: 0 0 156px;
  width: 156px;
  padding: 16px 14px;
  background: var(--ax-band-label);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border-right: 1px solid var(--ax-border-soft);
}
.ax-band-name {
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}
.ax-band-tag {
  display: block;
  margin-top: 5px;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--text-muted);
}
.ax-band-main {
  flex: 1 1 auto;
  min-width: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ax-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Staggered placement — deterministic offsets so bands read as a hand-laid
   diagram, not a grid. Margins (not transforms) so edge anchors stay true. */
.ax-row > .ax-card.ax-stag-y { margin-top: 16px; }
.ax-row > .ax-card.ax-stag-x { margin-left: 7px; }
.ax-childrow-cards > .ax-card.ax-stag-y { margin-top: 10px; }
.ax-childrow-cards > .ax-card.ax-stag-x { margin-left: 4px; }

/* Node card */
.ax-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 150px;
  max-width: 210px;
  min-height: 44px;
  padding: 10px 12px 10px 13px;
  text-align: left;
  font: inherit;
  color: var(--text);
  background: var(--ax-card-bg);
  border: 1px solid var(--ax-border);
  border-left: 3px solid var(--ax-kind, var(--ax-platform));
  border-radius: var(--ax-r-md);
  cursor: pointer;
  transition: transform 0.28s var(--ease-smooth), border-color 0.28s var(--ease-smooth),
              box-shadow 0.28s var(--ease-smooth), opacity 0.3s var(--ease-smooth),
              filter 0.3s var(--ease-smooth), background 0.28s var(--ease-smooth);
}
.ax-card:hover {
  transform: translateY(-3px);
  background: var(--ax-card-bg-hover);
  border-color: var(--ax-kind, var(--accent));
  box-shadow: var(--ax-shadow);
}
.ax-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.ax-card--platform { --ax-kind: var(--ax-platform); --ax-kind-rgb: var(--ax-platform-rgb); }
.ax-card--app      { --ax-kind: var(--ax-app);      --ax-kind-rgb: var(--ax-app-rgb); }
.ax-card--infra    { --ax-kind: var(--ax-infra);    --ax-kind-rgb: var(--ax-infra-rgb); }
.ax-card--client   { --ax-kind: var(--ax-client);   --ax-kind-rgb: var(--ax-client-rgb); }

.ax-card-head { display: flex; align-items: center; gap: 8px; }
.ax-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ax-kind, var(--ax-platform));
  box-shadow: 0 0 0 3px rgba(var(--ax-kind-rgb, var(--ax-platform-rgb)), 0.18);
}
.ax-card-name {
  font-family: var(--ax-mono);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}
.ax-card-sub {
  font-size: 0.72rem;
  line-height: 1.3;
  color: var(--text-muted);
}
.ax-card-plus {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  font-size: 0.9rem;
  line-height: 1;
  font-weight: 700;
  color: var(--ax-kind, var(--accent));
  background: rgba(var(--ax-kind-rgb, var(--accent-rgb)), 0.12);
  border-radius: 5px;
  transition: transform 0.25s var(--ease-smooth), background 0.25s var(--ease-smooth);
}
.ax-card.is-expanded .ax-card-plus { transform: rotate(45deg); background: rgba(var(--ax-kind-rgb), 0.24); }

/* Governance gate shield */
.ax-card-shield {
  position: absolute;
  top: 9px;
  right: 9px;
  width: 14px;
  height: 14px;
  color: var(--ax-gate);
  opacity: 0.72;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-smooth);
}
.ax-card-shield svg { width: 100%; height: 100%; display: block; }
.ax-card--expandable .ax-card-shield { right: 32px; }
.ax-card:hover .ax-card-shield,
.ax-card.is-selected .ax-card-shield { opacity: 1; }
.ax-card--gate .ax-card-head { padding-right: 20px; }
.ax-card--expandable.ax-card--gate .ax-card-head { padding-right: 44px; }

/* Planned (roadmap) nodes */
.ax-card--planned { border-style: dashed; }
.ax-card--planned .ax-card-name,
.ax-card--planned .ax-card-sub { opacity: 0.72; }
.ax-card--planned .ax-dot { opacity: 0.6; }
.ax-card--planned .ax-card-head { padding-right: 58px; }
.ax-card-planned-chip {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--ax-planned);
  background: rgba(var(--ax-planned-rgb), 0.12);
  border: 1px dashed rgba(var(--ax-planned-rgb), 0.55);
  border-radius: 999px;
  padding: 3px 7px;
  pointer-events: none;
}

.ax-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.45), var(--ax-shadow);
}

/* flow step badge */
.ax-card-badge {
  position: absolute;
  top: -8px;
  left: -8px;
  display: none;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 20px;
  text-align: center;
  color: #05231f;
  background: var(--ax-edge-flow);
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

/* Child (drill-down) row */
.ax-childrow {
  display: none;
  position: relative;
  margin-left: 14px;
  padding: 12px 12px 12px 16px;
  background: var(--ax-childrow-bg);
  border: 1px dashed var(--ax-border);
  border-left: 2px solid var(--ax-kind, var(--accent));
  border-radius: var(--ax-r-md);
}
.ax-childrow.is-open { display: block; animation: ax-fade 0.32s var(--ease-smooth); }
.ax-childrow--platform { --ax-kind: var(--ax-platform); }
.ax-childrow--app      { --ax-kind: var(--ax-app); }
.ax-childrow--infra    { --ax-kind: var(--ax-infra); }
.ax-childrow--client   { --ax-kind: var(--ax-client); }
.ax-childrow-bracket {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.ax-childrow-bracket b { color: var(--ax-kind, var(--text-dim)); font-family: var(--ax-mono); text-transform: none; letter-spacing: 0; font-size: 0.76rem; }
.ax-childrow-cards { display: flex; flex-wrap: wrap; gap: 10px; }
.ax-childrow-cards .ax-card { min-width: 138px; }
.ax-childrow .ax-childrow { margin-top: 10px; }

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

/* =========================================================== Living blueprint
   All motion below is opt-in via prefers-reduced-motion: no-preference. */
@media (prefers-reduced-motion: no-preference) {
  /* The governed path reads as moving current along the flow direction. */
  .ax-edge--gate:not(.ax-edge--planned) {
    stroke-dasharray: 10 6;
    animation: ax-current-16 3s linear infinite;
  }
  .ax-canvas.is-flow .ax-flowedge {
    stroke-dasharray: 12 7;
    animation: ax-current-19 2.8s linear infinite;
  }
  @keyframes ax-current-16 { to { stroke-dashoffset: -32; } }
  @keyframes ax-current-19 { to { stroke-dashoffset: -38; } }

  /* Entrance choreography — bands rise top-to-bottom, cards ripple within,
     the edge layer fades in last. Runs once (`is-entering` removed by JS). */
  .ax-app.is-entering .ax-band {
    animation: ax-enter 0.45s var(--ease-smooth) both;
    animation-delay: var(--axd, 0ms);
  }
  .ax-app.is-entering .ax-row > .ax-card {
    animation: ax-enter 0.45s var(--ease-smooth) both;
    animation-delay: var(--axd, 0ms);
  }
  .ax-app.is-entering .ax-edges {
    animation: ax-fadein 0.35s ease 0.55s both;
  }
  @keyframes ax-enter { from { opacity: 0; transform: translateY(14px); } }
  @keyframes ax-fadein { from { opacity: 0; } }
}

/* Collapsed tier (tier filter) */
.ax-band.is-collapsed .ax-band-main { display: none; }
.ax-band.is-collapsed { cursor: pointer; }
.ax-band.is-collapsed .ax-band-label { flex-basis: 100%; width: auto; }
.ax-band.is-collapsed .ax-band-tag::after {
  content: " · click to expand";
  color: var(--accent);
}

/* ---- Focus dimming (search / capability / flow) ---- */
.ax-canvas.is-focus .ax-card:not(.is-match) {
  opacity: 0.26;
  filter: saturate(0.4);
}
.ax-canvas.is-focus .ax-card.is-match {
  border-color: var(--ax-kind);
  box-shadow: 0 0 0 1px rgba(var(--ax-kind-rgb), 0.5);
}
.ax-canvas.is-flow .ax-card.is-match .ax-card-badge { display: block; }

/* Edge path styling */
.ax-edge {
  fill: none;
  stroke: var(--ax-edge);
  stroke-width: 1.5;
  transition: stroke 0.25s var(--ease-smooth), opacity 0.25s var(--ease-smooth);
}
.ax-edge--dashed { stroke-dasharray: 7 5; }
.ax-edge--dotted { stroke-dasharray: 1.5 5; stroke-linecap: round; }
.ax-edge--gate { stroke: var(--ax-gate); stroke-width: 2; opacity: 0.8; }
/* Edges touching planned nodes: dashed + muted, even for gate style */
.ax-edge--planned { stroke-dasharray: 6 5; opacity: 0.4; }
.ax-edge--gate.ax-edge--planned { opacity: 0.45; stroke-width: 1.75; }
.ax-canvas.is-selecting .ax-edge { opacity: 0.12; }
.ax-canvas.is-selecting .ax-edge.is-on { opacity: 1; stroke: var(--ax-edge-on); stroke-width: 2.25; }
.ax-canvas.is-flow .ax-edge { display: none; }

.ax-flowedge {
  fill: none;
  stroke: var(--ax-edge-flow);
  stroke-width: 2.25;
  display: none;
}
.ax-canvas.is-flow .ax-flowedge { display: block; }
.ax-flownum { display: none; }
.ax-canvas.is-flow .ax-flownum { display: block; }
.ax-flownum circle { fill: var(--ax-edge-flow); }
.ax-flownum text { fill: #05231f; font-family: var(--ax-mono); font-size: 10px; font-weight: 700; }

.ax-edge-label {
  display: none;
  fill: var(--text-dim);
  font-size: 10px;
  font-family: var(--font);
  paint-order: stroke;
  stroke: var(--ax-canvas-bg);
  stroke-width: 3px;
}
.ax-canvas.is-selecting .ax-edge-label.is-on { display: block; }

/* --------------------------------------------------------------- Inspector */
.ax-inspector {
  position: relative;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--ax-border-soft);
  background: var(--ax-surface-2);
}
.ax-inspector-body {
  overflow-y: auto;
  padding: 18px 18px 28px;
  flex: 1 1 auto;
  min-height: 0;
}
.ax-sheet-close {
  display: none;
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 5;
  width: 32px;
  height: 32px;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--text-dim);
  background: var(--ax-surface);
  border: 1px solid var(--ax-border);
  border-radius: 50%;
  cursor: pointer;
}
.ax-sheet-close:hover { color: var(--text); border-color: var(--accent); }

/* Back control (details view) */
.ax-back {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
  margin: 12px 14px 0;
  padding: 6px 12px 6px 9px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--ax-surface);
  border: 1px solid var(--ax-border);
  border-radius: 999px;
  cursor: pointer;
  align-self: flex-start;
  transition: all 0.2s var(--ease-smooth);
}
.ax-back svg { width: 15px; height: 15px; }
.ax-back:hover { color: var(--text); border-color: var(--accent); transform: translateX(-2px); }
.ax-back:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.ax-empty { color: var(--text-dim); }
.ax-empty-title {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.ax-empty-intro { margin: 0 0 14px; font-size: 0.92rem; line-height: 1.55; }
.ax-empty-hint {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--text-muted);
  padding: 12px 14px;
  background: var(--ax-card-bg);
  border: 1px solid var(--ax-border-soft);
  border-left: 3px solid var(--accent);
  border-radius: var(--ax-r-md);
}

/* Inspector node header */
.ax-insp-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 6px; }
.ax-insp-ico {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--ax-kind, var(--ax-platform));
  background: rgba(var(--ax-kind-rgb, var(--ax-platform-rgb)), 0.14);
  border: 1px solid rgba(var(--ax-kind-rgb, var(--ax-platform-rgb)), 0.4);
}
.ax-insp-ico svg { width: 20px; height: 20px; }
.ax-insp-title { flex: 1 1 auto; min-width: 0; }
.ax-insp-name {
  margin: 2px 0 0;
  font-family: var(--ax-mono);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
  word-break: break-word;
}
.ax-insp-pills { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 16px; }
.ax-pill {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--ax-border);
  color: var(--text-dim);
}
.ax-pill--kind {
  color: var(--ax-kind);
  border-color: rgba(var(--ax-kind-rgb), 0.5);
  background: rgba(var(--ax-kind-rgb), 0.1);
}
.ax-pill--gate {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ax-gate);
  border-color: rgba(var(--ax-gate-rgb), 0.5);
  background: rgba(var(--ax-gate-rgb), 0.12);
}
.ax-pill--gate svg { width: 12px; height: 12px; }
.ax-pill--planned {
  color: var(--ax-planned);
  border: 1px dashed rgba(var(--ax-planned-rgb), 0.55);
  background: rgba(var(--ax-planned-rgb), 0.1);
}
.ax-pill--tag { color: var(--kd-purple); border-color: rgba(107, 99, 254, 0.5); background: rgba(107, 99, 254, 0.1); }
.ax-pill--tag.ax-pill--live { color: var(--kd-teal); border-color: rgba(1, 190, 178, 0.5); background: rgba(1, 190, 178, 0.1); }

.ax-sec { margin-top: 18px; }
.ax-sec-title {
  margin: 0 0 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.ax-role { margin: 0; font-size: 0.9rem; line-height: 1.6; color: var(--text-dim); }

.ax-mini {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--text-dim);
  background: var(--ax-card-bg);
  border: 1px solid var(--ax-border-soft);
  border-left: 3px solid var(--ax-kind, var(--accent));
  border-radius: var(--ax-r-sm);
  padding: 8px 10px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
}
.ax-mini:hover { border-color: var(--ax-border); transform: translateX(2px); }
.ax-mini:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ax-mini-name { display: block; font-family: var(--ax-mono); font-size: 0.8rem; font-weight: 600; color: var(--text); }
.ax-mini-sub { display: block; margin-top: 2px; font-size: 0.72rem; color: var(--text-muted); }

/* Example details: contains ("What it contains") & implements ("How it's built") */
.ax-kv {
  padding: 7px 10px 7px 12px;
  margin-bottom: 6px;
  border-left: 2px solid var(--ax-border);
  border-radius: 0 var(--ax-r-sm) var(--ax-r-sm) 0;
  background: var(--ax-childrow-bg);
}
.ax-kv-name {
  display: block;
  font-family: var(--ax-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
}
.ax-kv-name--sans { font-family: inherit; font-size: 0.82rem; font-weight: 700; }
.ax-kv-detail {
  display: block;
  margin-top: 2px;
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.ax-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ax-conn {
  font: inherit;
  font-family: var(--ax-mono);
  font-size: 0.76rem;
  color: var(--text-dim);
  background: var(--ax-card-bg);
  border: 1px solid var(--ax-border);
  border-radius: 999px;
  padding: 4px 11px;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
}
.ax-conn:hover { color: var(--text); border-color: var(--accent); }
.ax-conn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ax-term {
  font-family: var(--ax-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid var(--ax-border-soft);
  border-radius: var(--ax-r-sm);
  padding: 3px 8px;
}

/* Docs groups */
.ax-docgroup { margin-top: 12px; }
.ax-docgroup-title {
  margin: 0 0 6px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-dim);
}
.ax-doclink {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--text-dim);
  text-decoration: none;
  padding: 7px 10px;
  border: 1px solid var(--ax-border-soft);
  border-radius: var(--ax-r-sm);
  margin-bottom: 6px;
  transition: all 0.2s var(--ease-smooth);
}
.ax-doclink:hover { color: var(--text); border-color: var(--accent); background: rgba(var(--accent-rgb), 0.05); }
.ax-doclink:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ax-doclink-label { flex: 1 1 auto; }
.ax-doctag {
  flex: 0 0 auto;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--ax-border);
  border-radius: 4px;
  padding: 1px 5px;
}
.ax-doclink-ext { flex: 0 0 auto; width: 12px; height: 12px; color: var(--text-muted); }

/* Flow steps in inspector */
.ax-step { display: flex; gap: 12px; margin-bottom: 12px; }
.ax-step-num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  font-size: 0.74rem;
  font-weight: 800;
  color: #05231f;
  background: var(--ax-edge-flow);
  border-radius: 50%;
}
.ax-step-body { flex: 1 1 auto; min-width: 0; }
.ax-step-node {
  font: inherit;
  font-family: var(--ax-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-align: left;
}
.ax-step-node:hover { color: var(--accent); text-decoration: underline; }
.ax-step-node:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ax-step-text { margin: 3px 0 0; font-size: 0.82rem; line-height: 1.45; color: var(--text-muted); }

/* ------------------------------------------------------------- Legend */
.ax-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 10px clamp(16px, 3vw, 28px);
  border-top: 1px solid var(--ax-border-soft);
  background: var(--ax-surface-2);
  font-size: 0.74rem;
  color: var(--text-muted);
}
.ax-leg { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.ax-leg-dot { width: 10px; height: 10px; border-radius: 50%; }
.ax-leg-dot--platform { background: var(--ax-platform); }
.ax-leg-dot--app { background: var(--ax-app); }
.ax-leg-dot--infra { background: var(--ax-infra); }
.ax-leg-dot--client { background: var(--ax-client); }
.ax-leg-line { width: 22px; height: 0; border-top: 2px solid var(--text-muted); }
.ax-leg-line--dashed { border-top-style: dashed; }
.ax-leg-line--dotted { border-top-style: dotted; border-top-width: 3px; }
.ax-leg-line--gate { border-top: 2.5px solid var(--ax-gate); }
.ax-leg-line--planned { border-top: 2px dashed var(--ax-planned); }
.ax-leg-plus {
  display: grid; place-items: center;
  width: 16px; height: 16px; border-radius: 4px;
  color: var(--accent); background: rgba(var(--accent-rgb), 0.14);
  font-weight: 700; font-size: 0.78rem;
}
.ax-leg-shield { display: inline-grid; place-items: center; width: 14px; height: 14px; color: var(--ax-gate); }
.ax-leg-shield svg { width: 14px; height: 14px; display: block; }
.ax-leg-sep { flex: 1 1 auto; }
.ax-leg-meta { color: var(--text-muted); font-size: 0.72rem; }

/* ------------------------------------------------------------- noscript */
.ax-noscript {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 24px) 60px;
  color: var(--text-dim);
}
.ax-noscript h2 { color: var(--text); }
.ax-noscript h3 { color: var(--text); font-size: 1rem; margin-top: 22px; }
.ax-noscript a { color: var(--accent); }
.ax-noscript ul { line-height: 1.7; }

/* =============================================================== Responsive */
@media (max-width: 1100px) {
  .ax-body { grid-template-columns: minmax(0, 1fr); }
  .ax-chip { display: inline-block; }
  .ax-inspector {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(400px, 92vw);
    z-index: 200;
    border-left: 1px solid var(--ax-border);
    box-shadow: -16px 0 40px rgba(0, 0, 0, 0.35);
    transform: translateX(100%);
    transition: transform 0.3s var(--ease-smooth);
    /* opaque as an overlay: the translucent panel surface lets canvas bleed through */
    background: var(--bg);
  }
  .ax-app.is-inspector-open .ax-inspector { transform: translateX(0); }
  .ax-sheet-close { display: block; }
  .ax-tabs { padding-right: 46px; }
  .ax-back { margin-right: 46px; }
}

@media (max-width: 900px) {
  .ax-band-label { flex-basis: 128px; width: 128px; }
  .ax-legend { font-size: 0.7rem; gap: 6px 12px; }
  /* stagger crowds narrow canvases — fall back to aligned rows */
  .ax-row > .ax-card.ax-stag-y,
  .ax-childrow-cards > .ax-card.ax-stag-y { margin-top: 0; }
  .ax-row > .ax-card.ax-stag-x,
  .ax-childrow-cards > .ax-card.ax-stag-x { margin-left: 0; }
}

@media (max-width: 560px) {
  .ax-pagebar { padding-bottom: 12px; }
  .ax-search { flex-basis: 100%; min-width: 0; }
  .ax-band-label { flex-basis: 112px; width: 112px; padding: 12px 10px; }
  .ax-card { min-width: 132px; }
  .ax-inspector { width: 100vw; }
}

@media (prefers-reduced-motion: reduce) {
  .ax-card, .ax-childrow, .ax-inspector, .ax-edge, .ax-flowedge { transition: none !important; animation: none !important; }
  .ax-canvas { scroll-behavior: auto; }
}