/* Knowledge map — the portfolio's 3D knowledge globe and layered category view,
   in the blog's tokens. One forest green and ink only. Posts ● (green), topics ◆
   (ink), the article being read ◎ (green ring). Size never encodes counts.
   Breathing, tilt, and unfolding are written by script as transforms; nothing
   here repeats forever. */

.km-root {
  --km-bg: var(--bg);
  --km-panel: var(--panel);
  --km-border: var(--line);
  --km-ink: var(--text);
  --km-sub: var(--sub);
  --km-muted: var(--muted);
  --km-green: var(--accent);
  --km-green-bg: var(--accent-soft);
  --km-sans: var(--font-sans);
  --km-mono: var(--font-mono);
  --km-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color: var(--km-ink);
  font-family: var(--km-sans);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.km-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── host: rail column, fallback list ─────────────────────────── */

.knowledge-rail__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(1.25rem, 2vw, 1.75rem) clamp(1rem, 1.4vw, 1.4rem) clamp(1rem, 1.6vw, 1.4rem);
}

.km-host--rail {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 0;
}

.km-host--rail .km-island {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
}

/* The plain list stands in until the map is ready (or when it cannot load). */
html.js .km-host:not([data-km-state="failed"]):not([data-km-state="empty"]) .km-fallback {
  display: none;
}

.km-fallback {
  display: grid;
  gap: 0.9rem;
  overflow-y: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--km-border, var(--line));
}

.km-fallback__section {
  display: grid;
  gap: 0.4rem;
}

.km-fallback a:not(.km-chip) {
  color: var(--accent);
}

/* ── surface (one working map + its panel) ───────────────────── */

.km-surface {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 0;
}

.km-surface[data-variant="rail"] .km-surface-body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 0;
}

.km-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 28px;
}

.km-kicker {
  margin: 0;
  color: var(--km-green);
  font-family: var(--km-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.km-sub {
  margin: -0.35rem 0 0;
  color: var(--km-muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.km-expand {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 28px;
  padding: 0 0.7rem;
  color: var(--km-green);
  background: var(--km-bg);
  border: 1px solid var(--km-border);
  border-radius: 999px;
  font-family: var(--km-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.km-expand svg,
.km-tool svg,
.km-dialog-close svg,
.kg3-back svg,
.kg3-mode svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.km-expand:hover,
.km-expand:focus-visible {
  background: var(--km-green-bg);
  border-color: var(--km-green);
  outline: none;
}

.km-expand:focus-visible {
  box-shadow: 0 0 0 2px var(--km-panel), 0 0 0 4px var(--km-green);
}

.km-hint {
  margin: 0;
  color: var(--km-muted);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* ── map frame ───────────────────────────────────────────────── */

.kg3-frame {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  aspect-ratio: 5 / 6;
  max-height: 52dvh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.km-skeleton {
  display: grid;
  place-items: center;
}

.km-skeleton-orb {
  display: block;
  width: 62%;
  aspect-ratio: 1 / 1;
  border: 1px dashed color-mix(in srgb, var(--km-green) 32%, transparent);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--km-green) 20%, transparent) 0 4%, transparent 5%);
}

.kg3-stage-root {
  position: relative;
}

.kg3-globe {
  position: absolute;
  inset: 0;
  cursor: grab;
  touch-action: pan-y;
}

.kg3-globe:not([data-live]) {
  pointer-events: none;
}

/* The wide view owns its gestures (turn, pinch zoom); the rail lets pages scroll. */
.kg3-stage .kg3-globe {
  touch-action: none;
}

.kg3-frame[data-dragging="true"] .kg3-globe,
.kg3-stage[data-dragging="true"] .kg3-globe {
  cursor: grabbing;
}

.kg3-canvas {
  position: absolute;
  top: 0;
  left: 0;
}

.kg3-svg {
  position: absolute;
  inset: 0;
  display: block;
  overflow: visible;
  color: var(--km-green);
}

.kg3-overlay {
  position: absolute;
  inset: 0;
}

/* ── globe ───────────────────────────────────────────────────── */

.kg3-equator {
  fill: none;
  stroke: var(--km-green);
  stroke-width: 0.8;
  stroke-dasharray: 1.5 4;
  opacity: 0.28;
}

/* Centre → category: the same thin dashed line for every category. */
.kg3-spoke {
  stroke: var(--km-green);
  stroke-width: 0.8;
  stroke-dasharray: 1.5 3.5;
  stroke-linecap: round;
  opacity: 0.4;
  transition: opacity 0.2s ease;
}

.kg3-spoke[data-state="focus"],
.kg3-spoke[data-state="current"] {
  stroke-dasharray: none;
  opacity: 0.8;
}

.kg3-spoke[data-state="dim"] {
  opacity: 0.12;
}

.kg3-core-glow {
  fill: var(--km-green-bg);
  stroke: var(--km-green);
  stroke-width: 0.8;
  stroke-opacity: 0.35;
}

/* "Me" — the centre. Its name appears only while pointed at. */
.kg3-core-label {
  position: absolute;
  z-index: 15;
  box-sizing: border-box;
  border: 1px solid color-mix(in srgb, var(--km-green) 55%, transparent);
  border-radius: 46% 54% 48% 52%;
  background: radial-gradient(circle at 48% 48%, var(--km-green) 0 17%, var(--km-green-bg) 24% 65%, transparent 100%);
  box-shadow: 0 0 8px color-mix(in srgb, var(--km-green) 15%, transparent);
  pointer-events: auto;
}

.kg3-core-label b {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  padding: 2px 6px;
  color: var(--km-ink);
  background: var(--km-panel);
  border: 1px solid var(--km-border);
  border-radius: 4px;
  font-family: var(--km-sans);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, -2px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}

.kg3-core-label:hover b {
  opacity: 1;
  transform: translate(-50%, 0);
}

.kg3-halo-region {
  fill: var(--km-green);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity 0.2s ease;
}

.kg3-halo-region[data-state="focus"] {
  stroke: var(--km-green);
  stroke-width: 1;
  stroke-dasharray: 2 4;
}

.kg3-link {
  fill: none;
  stroke: var(--km-muted);
  stroke-width: 0.75;
  stroke-linecap: round;
}

/* A body link between posts reads differently from a tag. */
.kg3-link[data-relation="linked"] {
  stroke-dasharray: 2 2.5;
}

.kg3-link[data-tier="far"] {
  stroke: var(--km-green);
  stroke-width: 0.95;
}

.kg3-link[data-tier="near"] {
  stroke: var(--km-green);
  stroke-width: 1.3;
  animation: kg3-fade 0.24s ease-out both;
}

.kg3-node {
  transition: opacity 0.18s ease;
}

.kg3-node[data-kind="post"] .kg3-dot {
  fill: var(--km-green);
  stroke: var(--km-panel);
  stroke-width: 1.1;
}

.kg3-node[data-kind="topic"] .kg3-dot {
  fill: var(--km-sub);
  stroke: var(--km-panel);
  stroke-width: 0.8;
}

.kg3-node[data-kind="topic"][data-state="focus"] .kg3-dot,
.kg3-node[data-kind="topic"][data-state="near"] .kg3-dot {
  fill: var(--km-ink);
}

/* The article being read: a ring, not a glow. */
.kg3-current {
  fill: none;
  stroke: var(--km-green);
  stroke-width: 1.4;
}

.kg3-halo {
  fill: var(--km-green-bg);
  stroke: var(--km-green);
  stroke-width: 1;
}

.kg3-glow {
  pointer-events: none;
}

.kg3-pulse {
  fill: none;
  stroke: var(--km-green);
  stroke-width: 1.2;
  opacity: 0;
  pointer-events: none;
  transform-box: fill-box;
  transform-origin: center;
  animation: kg3-pulse 0.75s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}

.kg3-spark {
  fill: none;
  stroke: var(--km-green);
  stroke-width: 2.2;
  stroke-linecap: round;
  opacity: 0;
  pointer-events: none;
  filter: drop-shadow(0 0 1.5px var(--km-green));
  animation: kg3-spark 0.9s cubic-bezier(0.3, 0.55, 0.35, 1) 0.06s both;
}

/* Ambient signal: fainter and slower than a preview spark. */
.kg3-spark[data-ambient="true"] {
  stroke-width: 1.6;
  animation-duration: 1.6s;
  --kg3-spark-peak: 0.55;
}

.kg3-canvas[data-motion="off"] .kg3-pulse,
.kg3-canvas[data-motion="off"] .kg3-spark {
  display: none;
}

.kg3-canvas[data-moving="true"] .kg3-node,
.kg3-canvas[data-moving="true"] .kg3-label,
.kg3-canvas[data-moving="true"] .kg3-halo-region,
.kg3-canvas[data-moving="true"] .kg3-spoke {
  transition: none;
}

.kg3-region-hit {
  position: absolute;
  border-radius: 50%;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.kg3-star {
  position: absolute;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.kg3-label {
  position: absolute;
  padding: 1px 4px;
  color: var(--km-sub);
  border-radius: 3px;
  font-family: var(--km-sans);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.005em;
  white-space: nowrap;
  pointer-events: none;
  text-shadow:
    0 0 2px var(--km-panel),
    0 0 2px var(--km-panel),
    0 0 4px var(--km-panel);
  transition: color 0.18s ease, opacity 0.18s ease;
}

.kg3-label[data-kind="topic"] {
  font-family: var(--km-mono);
  font-weight: 400;
  letter-spacing: 0;
}

.kg3-label[data-state="near"] {
  color: var(--km-ink);
}

.kg3-label[data-state="far"] {
  opacity: 0.75;
}

.kg3-label[data-state="dim"] {
  opacity: 0.4;
}

.kg3-label[data-active="true"] {
  color: var(--km-ink);
  background: var(--km-panel);
  font-weight: 600;
  text-shadow: none;
  opacity: 1;
  box-shadow:
    0 0 0 1px var(--km-green),
    0 1px 4px rgba(0, 0, 0, 0.12);
}

.kg3-domain {
  position: absolute;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin: 0;
  padding: 0 6px;
  color: var(--km-green);
  background: transparent;
  border: 0;
  border-radius: 4px;
  font-family: var(--km-sans);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
  text-shadow:
    0 0 2px var(--km-panel),
    0 0 3px var(--km-panel),
    0 0 6px var(--km-panel);
  transition: opacity 0.18s ease, background 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.kg3-domain:focus {
  outline: none;
}

.kg3-domain-count {
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.84em;
  font-weight: 500;
}

.kg3-domain[data-state="dim"] {
  opacity: 0.5;
}

.kg3-domain[data-state="focus"],
.kg3-domain[data-active="true"] {
  background: var(--km-panel);
  text-shadow: none;
  opacity: 1;
  box-shadow:
    0 0 0 1px var(--km-green),
    0 1px 4px rgba(0, 0, 0, 0.12);
}

.kg3-domain[data-state="current"] .kg3-domain-name {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.kg3-domain[data-hidden="true"] {
  opacity: 0;
  pointer-events: none;
}

.kg3-domain:hover .kg3-domain-name {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kg3-domain:focus-visible {
  box-shadow:
    0 0 0 2px var(--km-panel),
    0 0 0 4px var(--km-green);
}

.kg3-static-domain {
  cursor: default;
  pointer-events: none;
  font-weight: 600;
}

/* ── opened category: three planes (2.5D) ───────────────────── */

.kg3-dv {
  position: absolute;
  inset: 0;
  background: var(--km-panel);
}

.kg3-dv-head {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 2;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 2px;
  background: var(--km-panel);
  border-bottom: 1px solid var(--km-border);
}

.kg3-dv[data-variant="explorer"] .kg3-dv-head {
  gap: 0.85rem;
  padding: 0 22px;
}

.kg3-back {
  appearance: none;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.25rem;
  min-height: 26px;
  padding: 0 0.6rem 0 0.45rem;
  color: var(--km-green);
  background: var(--km-green-bg);
  border: 1px solid var(--km-green);
  border-radius: 999px;
  font-family: var(--km-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.kg3-dv[data-variant="explorer"] .kg3-back {
  min-height: 30px;
  font-size: 0.8125rem;
}

.kg3-back:hover,
.kg3-back:focus-visible {
  color: var(--km-panel);
  background: var(--km-green);
  outline: none;
}

.kg3-back:focus-visible {
  box-shadow:
    0 0 0 2px var(--km-panel),
    0 0 0 4px var(--km-green);
}

.kg3-dv-title {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--km-ink);
  font-family: var(--km-sans);
  font-size: 0.75rem;
  white-space: nowrap;
}

.kg3-dv[data-variant="explorer"] .kg3-dv-title {
  font-size: 0.9375rem;
}

.kg3-dv-path,
.kg3-dv-sep {
  color: var(--km-muted);
}

.kg3-dv-title b {
  overflow: hidden;
  color: var(--km-green);
  font-weight: 700;
  text-overflow: ellipsis;
}

.kg3-dv-count {
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.9em;
}

.kg3-dv-scroll {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
}

.kg3-dv[data-unfolding="true"] .kg3-dv-scroll {
  overflow: hidden;
}

.kg3-dv[data-unfolding="true"] .km-overlay,
.kg3-dv[data-unfolding="true"] .kg3-dv-head {
  pointer-events: none;
}

.km-canvas {
  position: relative;
  margin: 0 auto;
}

.km-svg {
  position: absolute;
  inset: 0;
  display: block;
  overflow: visible;
}

.km-overlay {
  position: absolute;
  inset: 0;
}

.km-plane-face {
  fill: var(--km-plane);
  stroke: var(--km-plane-edge);
  stroke-width: 1;
  stroke-linejoin: round;
}

.km-plane[data-layer="category"] .km-plane-face {
  fill: var(--km-plane-top);
}

.km-plane-slab {
  fill: var(--km-slab);
}

.km-plane-grid line {
  stroke: var(--km-grid);
  stroke-width: 0.75;
}

.km-thread {
  fill: none;
  stroke: var(--km-green);
  stroke-width: 1.15;
  stroke-linecap: round;
  opacity: 0.45;
  stroke-dasharray: var(--km-len) var(--km-len);
  animation: km-draw 0.34s var(--km-ease) both;
}

.km-thread[data-direct="true"] {
  stroke-width: 1.45;
  opacity: 0.9;
}

/* Body links between posts on the post plane — dashed, quiet until chosen. */
.km-side-thread {
  fill: none;
  stroke: var(--km-muted);
  stroke-width: 0.9;
  stroke-dasharray: 2 3;
  opacity: 0.35;
}

.km-side-thread[data-active="true"] {
  stroke: var(--km-green);
  opacity: 0.9;
}

.km-glyph {
  transition: transform 0.2s var(--km-ease), opacity 0.2s ease;
}

.km-mark[data-layer="category"] .km-dot {
  fill: var(--km-green);
  stroke: var(--km-panel);
  stroke-width: 1.5;
}

.km-mark[data-layer="topic"] .km-dot {
  fill: var(--km-sub);
}

.km-mark[data-layer="post"] .km-dot {
  fill: var(--km-panel);
  stroke: var(--km-ink);
  stroke-width: 1.4;
}

.km-mark[data-current="true"] .km-dot {
  stroke: var(--km-green);
  stroke-width: 1.8;
}

.km-current {
  fill: none;
  stroke: var(--km-green);
  stroke-width: 1.2;
  stroke-dasharray: 2 2;
}

.km-mark[data-state="idle"][data-layer="post"] .km-glyph {
  opacity: 0.72;
}

.km-mark[data-state="idle"][data-layer="topic"] .km-glyph {
  opacity: 0.6;
}

.km-mark[data-state="dim"] .km-glyph {
  opacity: 0.18;
}

.km-mark[data-state="path"][data-layer="topic"] .km-dot,
.km-mark[data-state="focus"][data-layer="topic"] .km-dot {
  fill: var(--km-ink);
}

.km-halo {
  fill: var(--km-green-bg);
  stroke: var(--km-green);
  stroke-width: 1.25;
}

.km-shadow {
  fill: var(--km-ink);
  opacity: 0.13;
  animation: km-fade 0.2s ease-out both;
}

.km-stem {
  stroke: var(--km-green);
  stroke-width: 1;
  opacity: 0.55;
  animation: km-fade 0.2s ease-out both;
}

.km-node {
  position: absolute;
  margin: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: left 0.2s var(--km-ease), top 0.2s var(--km-ease);
  -webkit-tap-highlight-color: transparent;
}

.km-node:focus {
  outline: none;
}

.km-node:focus-visible {
  box-shadow: 0 0 0 2px var(--km-green);
}

.km-node[data-cue="true"] {
  box-shadow: 0 0 0 1px var(--km-green);
}

.km-canvas[data-moving="true"] .km-glyph,
.km-canvas[data-moving="true"] .km-node {
  transition: none;
}

.km-label {
  position: absolute;
  padding: 1px 4px;
  color: var(--km-sub);
  border-radius: 3px;
  font-family: var(--km-sans);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.005em;
  white-space: nowrap;
  text-shadow:
    0 0 2px var(--km-panel),
    0 0 2px var(--km-panel),
    0 0 4px var(--km-panel);
  transition: color 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.km-node[data-layer="category"] .km-label {
  color: var(--km-ink);
  font-weight: 600;
}

.km-node[data-layer="topic"] .km-label {
  font-family: var(--km-mono);
  font-weight: 400;
  letter-spacing: 0;
}

.km-node[data-state="path"] .km-label {
  color: var(--km-ink);
}

.km-node[data-state="dim"] .km-label {
  opacity: 0.4;
}

.km-node[data-state="focus"] .km-label,
.km-node:hover .km-label {
  color: var(--km-green);
}

.km-node[data-state="focus"] .km-label {
  background: var(--km-green-bg);
  text-shadow: none;
}

.km-node[aria-pressed="true"] .km-label {
  box-shadow: inset 0 0 0 1px var(--km-green);
}

.km-layer-title {
  position: absolute;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 4px 0 2px;
  color: var(--km-muted);
  background: var(--km-panel);
  border-radius: 3px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 16px;
  white-space: nowrap;
  pointer-events: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.km-layer-title[data-covered="true"] {
  opacity: 0;
}

.km-layer-count {
  font-family: var(--km-mono);
  font-size: 11px;
  font-weight: 400;
}

.km-layer-glyph {
  display: inline-block;
  flex: 0 0 7px;
  width: 7px;
  height: 7px;
  box-sizing: border-box;
}

.km-layer-glyph[data-layer="category"] {
  background: var(--km-green);
  border-radius: 50%;
}

.km-layer-glyph[data-layer="topic"] {
  flex-basis: 6px;
  width: 6px;
  height: 6px;
  margin: 0 0.5px;
  background: var(--km-sub);
  transform: rotate(45deg);
}

.km-layer-glyph[data-layer="post"] {
  border: 1.4px solid var(--km-ink);
  border-radius: 50%;
}

/* ── motion switch ───────────────────────────────────────────── */

.kg3-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: -0.3rem;
}

.kg3-motion {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 24px;
  padding: 0 0.6rem;
  color: var(--km-sub);
  background: var(--km-bg);
  border: 1px solid var(--km-border);
  border-radius: 999px;
  font-family: var(--km-sans);
  font-size: 0.6875rem;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.kg3-motion:hover,
.kg3-motion:focus-visible {
  color: var(--km-green);
  border-color: var(--km-green);
  outline: none;
}

.kg3-motion:focus-visible {
  box-shadow:
    0 0 0 2px var(--km-panel),
    0 0 0 4px var(--km-green);
}

.kg3-motion-dot {
  width: 7px;
  height: 7px;
  box-sizing: border-box;
  border: 1.5px solid var(--km-muted);
  border-radius: 50%;
}

.kg3-motion[aria-pressed="true"] .kg3-motion-dot {
  background: var(--km-green);
  border-color: var(--km-green);
}

.kg3-motion-state {
  color: var(--km-muted);
  font-family: var(--km-mono);
}

.kg3-motion[aria-pressed="true"] .kg3-motion-state {
  color: var(--km-green);
}

.kg3-motion:disabled {
  cursor: default;
  opacity: 0.8;
}

.kg3-motion:disabled:hover {
  color: var(--km-sub);
  border-color: var(--km-border);
}

/* ── panel ───────────────────────────────────────────────────── */

.km-surface[data-variant="rail"] .km-inspector {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.km-detail {
  display: grid;
  align-content: start;
  gap: 0.6rem;
  padding: 0.75rem 0.1rem 0.25rem;
  border-top: 1px solid var(--km-border);
}

.km-detail p {
  line-height: 1.7;
}

.km-detail-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0;
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
}

.km-detail-kicker b,
.km-detail-section h4 b,
.km-legend b,
.km-outline h3 b {
  font-family: var(--km-mono);
  font-weight: 500;
}

.km-detail-title {
  margin: 0;
  color: var(--km-ink);
  font-family: var(--km-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
}

.km-detail-text {
  margin: 0;
  color: var(--km-sub);
  font-size: 0.8125rem;
}

.kg3-meta {
  margin: 0;
  color: var(--km-sub);
  font-family: var(--km-mono);
  font-size: 0.6875rem;
}

.kg3-meta a {
  color: var(--km-green);
  font-family: var(--km-sans);
}

.km-detail-section {
  display: grid;
  gap: 0.35rem;
}

.km-detail-section h4 {
  margin: 0;
  color: var(--km-muted);
  font-family: var(--km-sans);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.kg3-two-step {
  gap: 0.55rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--km-border);
}

.kg3-current {
  display: grid;
  gap: 0.45rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--km-border);
}

.kg3-plain-list,
.kg3-post-list,
.km-chips,
.km-legend {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kg3-plain-list {
  display: grid;
  gap: 0.15rem;
  color: var(--km-sub);
  font-size: 0.8125rem;
  line-height: 1.55;
}

.kg3-plain-list li::before {
  content: "· ";
  color: var(--km-muted);
}

.kg3-post-list {
  display: grid;
  gap: 0.35rem;
}

.kg3-post-list li {
  display: grid;
  gap: 0.05rem;
}

.kg3-post-list a {
  color: var(--km-ink);
  font-size: 0.8125rem;
  line-height: 1.5;
  text-decoration: none;
}

.kg3-post-list a:hover,
.kg3-post-list a:focus-visible {
  color: var(--km-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kg3-post-list a[aria-current="page"] {
  color: var(--km-green);
  font-weight: 600;
}

.kg3-post-list time {
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.625rem;
}

.km-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.km-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 1.65rem;
  max-width: 100%;
  padding: 0 0.55rem;
  color: var(--km-sub);
  background: var(--km-bg);
  border: 1px solid var(--km-border);
  border-radius: 999px;
  font-family: var(--km-sans);
  font-size: 0.75rem;
  line-height: 1.3;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.km-chip b {
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-weight: 500;
}

.kg3-chip[data-kind="topic"] {
  border-radius: 3px;
  font-family: var(--km-mono);
}

.kg3-chip[data-current="true"] {
  border-color: var(--km-green);
}

.km-chip:hover,
.km-chip:focus-visible,
.km-chip[aria-pressed="true"] {
  color: var(--km-green);
  background: var(--km-green-bg);
  border-color: var(--km-green);
  outline: none;
}

.km-locate {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 2rem;
  color: var(--km-green);
  font-family: var(--km-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
}

.km-locate:hover,
.km-locate:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kg3-mode-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 1.45rem;
}

.kg3-mode {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.05rem 0.5rem;
  border: 1px solid var(--km-green);
  border-radius: 999px;
  font-family: var(--km-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
}

.kg3-mode-row[data-mode="preview"] .kg3-mode {
  color: var(--km-green);
  border-style: dashed;
}

.kg3-mode-row[data-mode="pinned"] .kg3-mode {
  color: var(--km-panel);
  background: var(--km-green);
}

.kg3-mode-row[data-mode="open"] .kg3-mode {
  color: var(--km-green);
  background: var(--km-green-bg);
}

.kg3-mode-hint {
  color: var(--km-muted);
  font-size: 0.6875rem;
  line-height: 1.4;
  text-align: right;
}

.km-pin-clear {
  appearance: none;
  min-height: 1.45rem;
  padding: 0 0.5rem;
  color: var(--km-green);
  background: var(--km-green-bg);
  border: 1px solid var(--km-green);
  border-radius: 999px;
  font-family: var(--km-sans);
  font-size: 0.6875rem;
  cursor: pointer;
}

.km-pin-clear:focus-visible {
  outline: 2px solid var(--km-green);
  outline-offset: 2px;
}

.kg3-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: -0.15rem 0 0;
  padding: 0;
  list-style: none;
}

.kg3-badges li {
  padding: 0.1rem 0.5rem;
  color: var(--km-green);
  background: var(--km-green-bg);
  border: 1px solid var(--km-green);
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.5;
}

.km-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.8rem;
  color: var(--km-sub);
  font-size: 0.75rem;
}

.km-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.kg3-glyph {
  display: inline-block;
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--km-green);
}

.kg3-glyph[data-kind="topic"] {
  flex-basis: 7px;
  width: 7px;
  height: 7px;
  margin: 0 0.5px;
  border-radius: 0;
  background: var(--km-sub);
  transform: rotate(45deg);
}

.kg3-glyph[data-kind="current"] {
  border: 1.6px solid var(--km-green);
  background: radial-gradient(circle, var(--km-green) 0 1.4px, var(--km-panel) 1.6px);
}

/* ── compact card (tablet / phone) ───────────────────────────── */

.km-compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.9rem 1rem 1rem;
  background: var(--km-panel);
  border: 1px solid var(--km-border);
  border-radius: var(--radius-md);
}

.km-compact-count {
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.6875rem;
}

.kg3-thumb {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 300px);
  aspect-ratio: 10 / 9;
  margin-inline: auto;
  overflow: hidden;
}

.km-drawer-open {
  justify-self: center;
}

/* ── wide dialog ─────────────────────────────────────────────── */

html.has-km-dialog {
  overflow: hidden;
}

.km-dialog {
  width: min(1420px, calc(100vw - 3rem));
  height: min(880px, calc(100dvh - 2rem));
  max-width: none;
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: hidden;
  color: var(--km-ink);
  background: var(--km-panel);
  border: 1px solid var(--km-border);
  border-radius: 8px;
  box-shadow: var(--km-shadow);
}

.km-dialog::backdrop {
  background: var(--km-scrim);
  backdrop-filter: blur(2px);
}

.km-dialog[open] {
  animation: km-fade 0.18s ease-out;
}

.kg3-dialog-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.kg3-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem 0.7rem;
  border-bottom: 1px solid var(--km-border);
}

.kg3-dialog-title {
  margin: 0.15rem 0 0.2rem;
  color: var(--km-ink);
  font-family: var(--km-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.kg3-dialog-desc {
  max-width: 72ch;
  margin: 0;
  color: var(--km-sub);
  font-size: 0.8125rem;
  line-height: 1.55;
}

.km-dialog-close {
  appearance: none;
  display: inline-grid;
  flex-shrink: 0;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--km-ink);
  background: var(--km-panel);
  border: 1px solid var(--km-border);
  border-radius: 50%;
  cursor: pointer;
}

.km-dialog-close:hover,
.km-dialog-close:focus-visible {
  color: var(--km-green);
  border-color: var(--km-green);
  outline: none;
}

.km-dialog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.6rem 1.25rem;
  border-bottom: 1px solid var(--km-border);
}

.km-segment {
  display: inline-flex;
  overflow: hidden;
  background: var(--km-bg);
  border: 1px solid var(--km-border);
  border-radius: 999px;
}

.km-segment button {
  appearance: none;
  min-height: 2rem;
  padding: 0 0.85rem;
  color: var(--km-sub);
  background: transparent;
  border: 0;
  font-family: var(--km-sans);
  font-size: 0.8125rem;
  white-space: nowrap;
  cursor: pointer;
}

.km-segment button + button {
  border-left: 1px solid var(--km-border);
}

.km-segment button[aria-pressed="true"] {
  color: var(--km-green);
  background: var(--km-green-bg);
  font-weight: 600;
}

.km-segment button:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--km-green);
}

.kg3-toolbar .kg3-motion {
  min-height: 2rem;
  font-size: 0.8125rem;
}

.km-tools {
  display: inline-flex;
  gap: 0.3rem;
}

.km-tool {
  appearance: none;
  display: inline-grid;
  place-items: center;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0 0.45rem;
  color: var(--km-sub);
  background: var(--km-panel);
  border: 1px solid var(--km-border);
  border-radius: 6px;
  font-family: var(--km-sans);
  font-size: 0.8125rem;
  cursor: pointer;
}

.km-tool:hover,
.km-tool:focus-visible {
  color: var(--km-green);
  border-color: var(--km-green);
  outline: none;
}

.km-dialog-hint {
  margin-left: auto;
}

.km-surface[data-variant="explorer"] {
  flex: 1 1 auto;
  min-height: 0;
}

.km-surface[data-variant="explorer"] .km-surface-body {
  display: grid;
  flex: 1 1 auto;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 370px);
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
}

.kg3-stage,
.km-dialog-list {
  grid-row: 1;
  grid-column: 1;
  min-width: 0;
  min-height: 0;
}

.kg3-stage {
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.kg3-stage[hidden] {
  display: none;
}

.km-dialog-list {
  overflow-y: auto;
  padding: 1rem 1.25rem 1.5rem;
}

.km-surface[data-variant="explorer"] .km-inspector {
  grid-row: 1;
  grid-column: 2;
  min-height: 0;
  overflow-y: auto;
  padding: 0.5rem 1.4rem 1.5rem;
  border-left: 1px solid var(--km-border);
}

.km-surface[data-variant="explorer"] .km-detail {
  padding-top: 1rem;
  border-top: 0;
}

.km-outline {
  display: grid;
  gap: 1.25rem;
}

.km-outline h3 {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0 0 0.5rem;
  color: var(--km-muted);
  font-family: var(--km-sans);
  font-size: 0.875rem;
}

.km-outline ul {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.km-outline .km-chips {
  display: flex;
}

.km-outline-item {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 1.9rem;
  padding: 0 0.4rem;
  color: var(--km-ink);
  background: transparent;
  border: 0;
  border-radius: 4px;
  font-family: var(--km-sans);
  font-size: 0.875rem;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
}

.kg3-outline-field {
  font-weight: 700;
}

.km-outline-item:hover,
.km-outline-item:focus-visible,
.km-outline-item[aria-pressed="true"] {
  color: var(--km-green);
  background: var(--km-green-bg);
  outline: none;
}

.kg3-outline-post {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.6rem;
}

.kg3-outline-post time {
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.6875rem;
}

.kg3-outline-link {
  color: var(--km-green);
  font-size: 0.75rem;
  font-weight: 600;
}

.kg3-outline-note {
  margin: 0.6rem 0 0.35rem;
  color: var(--km-muted);
  font-family: var(--km-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@keyframes kg3-fade {
  from {
    opacity: 0;
  }
}

@keyframes km-fade {
  from {
    opacity: 0;
  }
}

@keyframes km-draw {
  from {
    stroke-dashoffset: var(--km-len);
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes kg3-pulse {
  from {
    opacity: 0.6;
    transform: scale(0.7);
  }
  to {
    opacity: 0;
    transform: scale(1.9);
  }
}

@keyframes kg3-spark {
  0% {
    stroke-dashoffset: calc(var(--kg3-spark-segment) * 1px);
    opacity: 0;
  }
  12% {
    opacity: var(--kg3-spark-peak, 0.95);
  }
  100% {
    stroke-dashoffset: calc(var(--kg3-spark-length) * -1px);
    opacity: 0;
  }
}

@media (max-width: 820px) {
  .km-dialog {
    width: 100vw;
    height: 100dvh;
    border: 0;
    border-radius: 0;
  }

  .km-surface[data-variant="explorer"] .km-surface-body {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(320px, 58dvh) auto;
    overflow-y: auto;
  }

  .km-surface[data-variant="explorer"] .km-inspector {
    grid-row: 2;
    grid-column: 1;
    overflow: visible;
    border-top: 1px solid var(--km-border);
    border-left: 0;
  }

  .km-dialog-hint {
    display: none;
  }
}

@media (min-width: 560px) and (max-width: 1180px) {
  .km-compact {
    grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
    grid-template-areas:
      "head head"
      "thumb open";
    align-items: center;
  }

  .km-compact > .km-head {
    grid-area: head;
  }

  .km-compact > .kg3-thumb {
    grid-area: thumb;
  }

  .km-compact > .km-drawer-open,
  .km-compact > .km-hint {
    grid-area: open;
    justify-self: start;
  }
}

@media (pointer: coarse) {
  .kg3-motion,
  .kg3-back,
  .km-chip,
  .km-expand,
  .km-locate,
  .km-tool,
  .km-segment button,
  .km-outline-item {
    min-height: 2.75rem;
  }
}

/* Reduced motion: no breathing, tilt, travel, pulses, or signals; selection
   cues stay. */
@media (prefers-reduced-motion: reduce) {
  .kg3-node,
  .kg3-label,
  .kg3-domain,
  .kg3-halo-region,
  .kg3-spoke,
  .km-glyph,
  .km-node,
  .km-label,
  .km-layer-title,
  .km-chip,
  .km-expand {
    transition: none !important;
  }

  .kg3-link,
  .km-thread,
  .km-shadow,
  .km-stem,
  .km-dialog[open] {
    animation: none !important;
  }

  .kg3-pulse,
  .kg3-spark {
    display: none;
    animation: none !important;
  }
}