/* ==========================================================================
   HearthNodes — gatherer.top
   Visual hand: dark indigo ambient with a teal pulse and magenta alert.
   Naming is scoped to this site: --hub-* variables, --pulse-* state colours,
   hub-* chrome classes and node-* content classes. Nothing here is shared.
   ========================================================================== */

:root {
  --hub-ground: #131a2b;
  --hub-ground-deep: #0e1421;
  --hub-surface: #18213a;
  --hub-surface-2: #1d2942;
  --hub-line: #2b3a58;
  --hub-line-soft: rgba(43, 58, 88, 0.55);
  --hub-ink: #d4dff0;
  --hub-ink-dim: #8496b4;
  --hub-ink-faint: #5d6d8a;

  --pulse-live: #34d399;
  --pulse-idle: #34d39933;
  --pulse-alert: #f472b6;
  --pulse-warn: #fbbf24;
  --pulse-info: #60a5fa;
  --pulse-radio: #a78bfa;

  --node-radius: 10px;
  --node-radius-lg: 16px;
  --node-gap: 14px;
  --rail-w: 22px;
  --dock-h: 62px;
  --mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: 'Outfit', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 0 calc(var(--dock-h) + 26px);
  background: var(--hub-ground);
  background-image:
    radial-gradient(1100px 460px at 12% -8%, rgba(52, 211, 153, 0.10), transparent 62%),
    radial-gradient(900px 420px at 92% 4%, rgba(244, 114, 182, 0.07), transparent 60%),
    linear-gradient(180deg, #131a2b 0%, #101728 68%, #0e1421 100%);
  background-attachment: fixed;
  color: var(--hub-ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.62;
  letter-spacing: 0.006em;
}

a { color: var(--pulse-live); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.hub-shell { max-width: 1180px; margin: 0 auto; padding: 0 18px; }

/* --------------------------------------------------------------- masthead */

.hub-masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 18px;
  background: rgba(14, 20, 33, 0.86);
  backdrop-filter: blur(9px);
  border-bottom: 1px solid var(--hub-line-soft);
}

.hub-masthead__mark {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--hub-surface);
  border: 1px solid var(--hub-line);
  flex: none;
}

.hub-wordmark { display: flex; flex-direction: column; line-height: 1.1; }
.hub-wordmark b { font-size: 15px; font-weight: 600; letter-spacing: 0.02em; }
.hub-wordmark span { font-size: 10.5px; color: var(--hub-ink-faint); font-family: var(--mono); }

.hub-masthead__spacer { flex: 1 1 auto; }

.hub-live {
  display: none;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--hub-ink-dim);
  padding: 4px 10px;
  border: 1px solid var(--hub-line-soft);
  border-radius: 999px;
}
@media (min-width: 720px) { .hub-live { display: inline-flex; } }

.hub-live__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pulse-live);
  box-shadow: 0 0 0 4px var(--pulse-idle);
  animation: pulse 3.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--pulse-idle); }
  50% { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0.10); }
}

.hub-lang { display: flex; gap: 0; border: 1px solid var(--hub-line); border-radius: 999px; overflow: hidden; }
.hub-lang a {
  padding: 4px 11px;
  font-size: 11.5px;
  font-family: var(--mono);
  color: var(--hub-ink-dim);
  background: transparent;
}
.hub-lang a[aria-current='true'] { background: var(--hub-surface-2); color: var(--pulse-live); }
.hub-lang a:hover { text-decoration: none; color: var(--hub-ink); }

/* ------------------------------------------------------------------ chips */

.hub-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  padding: 14px 0 4px;
}

.hub-chips__lead {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--hub-ink-faint);
  margin-right: 4px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
}

.node-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--hub-line);
  background: var(--hub-surface);
  color: var(--hub-ink-dim);
  font-family: var(--mono);
  font-size: 11.5px;
  transition: border-color 120ms ease, color 120ms ease, box-shadow 160ms ease;
}
.node-chip:hover { text-decoration: none; color: var(--hub-ink); border-color: var(--hub-ink-faint); }
.node-chip[aria-current='true'] {
  color: var(--hub-ink);
  border-color: var(--pulse-live);
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.30), 0 0 18px -6px rgba(52, 211, 153, 0.55);
}
.node-chip img { display: block; width: 15px; height: 15px; }

/* --------------------------------------------------------------- topology */

.hub-map {
  margin: 6px 0 4px;
  padding: 10px;
  border: 1px solid var(--hub-line-soft);
  border-radius: var(--node-radius-lg);
  background: linear-gradient(180deg, rgba(29, 41, 66, 0.55), rgba(24, 33, 58, 0.28));
  box-shadow: inset 0 0 60px -30px rgba(52, 211, 153, 0.35);
  overflow: hidden;
}

.hub-map svg { display: block; width: 100%; height: auto; }

.hub-map__node rect { transition: stroke 140ms ease, filter 200ms ease; }
.hub-map__node:hover rect { stroke: var(--pulse-live); filter: drop-shadow(0 0 6px rgba(52, 211, 153, 0.6)); }
.hub-map__node:hover text { fill: #eaf3ff; }
.hub-map__node text { pointer-events: none; }

.hub-map__caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 4px 0;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--hub-ink-faint);
}

/* --------------------------------------------------------- column waterfall */

.hub-columns {
  display: flex;
  gap: var(--node-gap);
  overflow-x: auto;
  padding: 18px 2px 8px;
  scroll-snap-type: x proximity;
}

.node-column {
  flex: 0 0 268px;
  scroll-snap-align: start;
  min-width: 0;
}

.node-column__head {
  position: sticky;
  top: 50px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  margin-bottom: 10px;
  border-radius: var(--node-radius);
  border: 1px solid var(--hub-line-soft);
  background: rgba(19, 26, 43, 0.94);
  backdrop-filter: blur(6px);
}
.node-column__head img { width: 26px; height: 26px; flex: none; }
.node-column__head h2 { margin: 0; font-size: 13px; font-weight: 600; letter-spacing: 0.02em; }
.node-column__head p { margin: 1px 0 0; font-family: var(--mono); font-size: 10px; color: var(--hub-ink-faint); }
.node-column__count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--hub-ink-dim);
  border: 1px solid var(--hub-line-soft);
  border-radius: 999px;
  padding: 1px 8px;
}

.node-stack { display: flex; flex-direction: column; gap: 10px; }

/* ------------------------------------------------------------------- tiles */

.node-tile {
  display: block;
  padding: 11px 12px 10px;
  border-radius: var(--node-radius);
  border: 1px solid var(--hub-line);
  background: linear-gradient(160deg, rgba(29, 41, 66, 0.72), rgba(24, 33, 58, 0.5));
  color: var(--hub-ink);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.012), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 220ms ease;
}
.node-tile:hover {
  text-decoration: none;
  transform: translateY(-1px);
  border-color: rgba(52, 211, 153, 0.55);
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.22), 0 10px 26px -18px rgba(52, 211, 153, 0.75);
}

.node-tile__fig {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 9px;
  border-radius: 7px;
  border: 1px solid var(--hub-line-soft);
  background: #101728;
}

.node-tile__title { display: block; font-size: 13.4px; font-weight: 600; line-height: 1.38; margin: 0 0 5px; }
.node-tile__sum { display: block; font-size: 12.1px; color: var(--hub-ink-dim); line-height: 1.5; margin: 0 0 9px; }

.node-tile__foot {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--hub-ink-faint);
}
.node-tile__foot .node-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.node-tile__foot time { margin-left: auto; }

.node-dot--matter { background: #34d399; }
.node-dot--zigbee { background: #f472b6; }
.node-dot--zwave { background: #60a5fa; }
.node-dot--wifi { background: #fbbf24; }
.node-dot--thread { background: #a78bfa; }

/* -------------------------------------------------------------- page heads */

.hub-pagehead { padding: 26px 0 6px; }
.hub-pagehead .hub-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pulse-live);
  margin-bottom: 8px;
}
.hub-pagehead h1 { margin: 0 0 8px; font-size: clamp(22px, 3.6vw, 30px); font-weight: 600; letter-spacing: -0.01em; }
.hub-pagehead p { margin: 0; max-width: 66ch; color: var(--hub-ink-dim); }
.hub-pagehead--tight { padding-top: 16px; }

/* --------------------------------------------------------------- recipe UX */

.node-recipe { display: grid; grid-template-columns: 1fr; gap: 22px; padding-top: 8px; }
@media (min-width: 960px) { .node-recipe { grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.95fr); } }

.node-lede { color: var(--hub-ink-dim); margin: 0 0 14px; max-width: 74ch; }

.node-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 10.5px;
}
.node-meta span {
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--hub-line-soft);
  background: var(--hub-surface);
  color: var(--hub-ink-dim);
}
/* Editorial byline: same pill as the publish date it sits next to, with the
   desk name as a quieter link so it reads as a credit, not as an alert. */
.node-byline a { color: var(--hub-ink); text-decoration: none; }
.node-byline a:hover { color: var(--pulse-live); text-decoration: underline; text-underline-offset: 2px; }

.yaml-wrap {
  border: 1px solid var(--hub-line);
  border-radius: var(--node-radius);
  overflow: hidden;
  background: var(--hub-ground-deep);
  box-shadow: inset 0 0 50px -34px rgba(52, 211, 153, 0.6);
  margin: 0 0 20px;
}
.yaml-wrap__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 11px;
  border-bottom: 1px solid var(--hub-line-soft);
  background: rgba(29, 41, 66, 0.5);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--hub-ink-dim);
}
.yaml-wrap__bar b { color: var(--hub-ink); font-weight: 500; }
.yaml-wrap__bar .yaml-wrap__spacer { flex: 1; }

.hub-btn {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--hub-line);
  background: var(--hub-surface-2);
  color: var(--hub-ink-dim);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
}
.hub-btn:hover { color: var(--pulse-live); border-color: var(--pulse-live); }

.yaml-block {
  margin: 0;
  padding: 13px 14px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 11.7px;
  line-height: 1.62;
  color: #b9e6d3;
  tab-size: 2;
  white-space: pre;
}

.node-fold {
  border: 1px solid var(--hub-line);
  border-radius: var(--node-radius);
  background: var(--hub-surface);
  margin: 0 0 20px;
  overflow: hidden;
}
.node-fold > summary {
  cursor: pointer;
  list-style: none;
  padding: 10px 13px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid transparent;
}
.node-fold > summary::-webkit-details-marker { display: none; }
.node-fold > summary::before {
  content: '▸';
  display: inline-block;
  width: 15px;
  color: var(--pulse-live);
  transition: transform 140ms ease;
}
.node-fold[open] > summary { border-bottom-color: var(--hub-line-soft); }
.node-fold[open] > summary::before { transform: rotate(90deg); }
.node-fold__body { padding: 12px 14px 14px; }
.node-fold__body h3 { margin: 0 0 5px; font-size: 13px; font-weight: 600; color: #e2ecfb; }
.node-fold__body p { margin: 0 0 13px; color: var(--hub-ink-dim); font-size: 13.6px; }
.node-fold__body p:last-child { margin-bottom: 0; }

.node-moves { list-style: none; margin: 0 0 16px; padding: 0; counter-reset: move; }
.node-moves li {
  counter-increment: move;
  position: relative;
  padding: 9px 11px 9px 40px;
  border: 1px solid var(--hub-line-soft);
  border-radius: var(--node-radius);
  background: var(--hub-surface);
  margin-bottom: 8px;
  font-size: 13.4px;
  color: var(--hub-ink-dim);
}
.node-moves li::before {
  content: counter(move, decimal-leading-zero);
  position: absolute;
  left: 11px;
  top: 9px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--pulse-live);
}
.node-moves b { display: block; color: var(--hub-ink); font-weight: 600; font-size: 13.2px; }

/* ------------------------------------------------------------ condition tree */

.node-tree, .node-tree ul { list-style: none; margin: 0; padding: 0; }
.node-tree { font-size: 13px; }
.node-tree details { border-left: 1px dashed var(--hub-line); margin: 6px 0 6px 6px; padding-left: 12px; }
.node-tree > details { border-left: none; margin-left: 0; padding-left: 0; }
.node-tree summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}
.node-tree summary::-webkit-details-marker { display: none; }
.node-tree summary::before {
  content: '▸';
  color: var(--hub-ink-faint);
  font-size: 11px;
  transition: transform 140ms ease;
}
.node-tree details[open] > summary::before { transform: rotate(90deg); }

.node-logic {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
  opacity: 0.95;
}
.node-logic--and { color: var(--pulse-live); }
.node-logic--or { color: var(--pulse-warn); }

.node-tree li.node-leaf {
  position: relative;
  padding: 3px 0 3px 16px;
  color: var(--hub-ink-dim);
  font-size: 12.8px;
  line-height: 1.5;
}
.node-tree li.node-leaf::before {
  content: '';
  position: absolute;
  left: 2px; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--hub-line);
}

.node-hardware { width: 100%; border-collapse: collapse; font-size: 12.6px; margin-top: 4px; }
.node-hardware th, .node-hardware td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--hub-line-soft); vertical-align: top; }
.node-hardware th { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--hub-ink-faint); font-weight: 500; }
.node-hardware td b { color: var(--hub-ink); font-weight: 600; }
.node-hardware td span { color: var(--hub-ink-dim); }
.node-hardware code {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--pulse-live);
  border: 1px solid var(--hub-line-soft);
  border-radius: 5px;
  padding: 1px 6px;
}

.failbox {
  border: 1px solid rgba(244, 114, 182, 0.45);
  border-left-width: 3px;
  border-radius: var(--node-radius);
  background: linear-gradient(180deg, rgba(244, 114, 182, 0.10), rgba(244, 114, 182, 0.03));
  padding: 13px 15px;
  margin: 22px 0 0;
}
.failbox h2 { margin: 0 0 7px; font-size: 13px; font-weight: 600; color: var(--pulse-alert); letter-spacing: 0.02em; }
.failbox p { margin: 0; color: #edd7e5; font-size: 13.6px; }

.privbox {
  border: 1px solid var(--hub-line-soft);
  border-radius: var(--node-radius);
  background: var(--hub-surface);
  padding: 11px 13px;
  margin: 12px 0 0;
  font-size: 12.8px;
  color: var(--hub-ink-dim);
}
.privbox b { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--hub-ink-faint); margin-bottom: 5px; font-weight: 500; }

/* ------------------------------------------------------------------- lists */

.hub-grid { display: grid; gap: 13px; grid-template-columns: 1fr; padding: 14px 0 8px; }
@media (min-width: 620px) { .hub-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .hub-grid { grid-template-columns: repeat(3, 1fr); } }

.node-panel {
  border: 1px solid var(--hub-line);
  border-radius: var(--node-radius);
  background: linear-gradient(160deg, rgba(29, 41, 66, 0.62), rgba(24, 33, 58, 0.4));
  padding: 13px 14px;
}
.node-panel__head { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.node-panel__head img { width: 30px; height: 30px; flex: none; }
.node-panel__head h2 { margin: 0; font-size: 14px; font-weight: 600; }
.node-panel__head p { margin: 1px 0 0; font-family: var(--mono); font-size: 10px; color: var(--hub-ink-faint); }
.node-panel ul { list-style: none; margin: 0; padding: 0; }
.node-panel li { padding: 5px 0; border-top: 1px solid var(--hub-line-soft); font-size: 12.9px; color: var(--hub-ink-dim); }
.node-panel li:first-child { border-top: none; }
.node-panel li a { color: var(--hub-ink); }
.node-panel li code { font-family: var(--mono); font-size: 10.5px; color: var(--hub-ink-faint); }

/* ------------------------------------------------------------------- legal */

.hub-doc { max-width: 78ch; padding: 8px 0 20px; }
.hub-doc h2 { font-size: 16.5px; margin: 26px 0 8px; font-weight: 600; }
.hub-doc h3 { font-size: 14px; margin: 18px 0 6px; font-weight: 600; color: #e2ecfb; }
.hub-doc p, .hub-doc li { color: var(--hub-ink-dim); }
.hub-doc ul { padding-left: 19px; }
.hub-doc li { margin: 4px 0; }
.hub-doc .hub-stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--hub-ink-faint);
  border: 1px solid var(--hub-line-soft);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 6px;
}

/* ---------------------------------------------------------------- the dock */

.hub-dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: flex;
  justify-content: center;
  padding: 0 10px calc(8px + env(safe-area-inset-bottom, 0px));
  pointer-events: none;
}
.hub-dock__inner {
  pointer-events: auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  width: min(560px, 100%);
  padding: 6px;
  border-radius: 20px;
  border: 1px solid var(--hub-line);
  background: rgba(16, 23, 40, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 -6px 26px -18px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.02);
}
.hub-dock__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 2px 5px;
  border-radius: 14px;
  color: var(--hub-ink-faint);
  font-size: 10.5px;
  line-height: 1.1;
}
.hub-dock__tab:hover { text-decoration: none; color: var(--hub-ink-dim); background: rgba(43, 58, 88, 0.3); }
.hub-dock__tab svg { width: 19px; height: 19px; }
.hub-dock__tab[aria-current='page'] {
  color: var(--pulse-live);
  background: rgba(52, 211, 153, 0.09);
  box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.26);
}

/* ------------------------------------------------------------ footer strip */

.hub-foot {
  margin-top: 34px;
  padding: 18px 0 8px;
  border-top: 1px solid var(--hub-line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  font-size: 12.2px;
  color: var(--hub-ink-faint);
}
.hub-foot a { color: var(--hub-ink-dim); }
.hub-foot__spacer { flex: 1 1 auto; }
.hub-foot img { width: 22px; height: 22px; opacity: 0.75; }
/* Editorial disclaimer — always its own line, quieter than the footer nav. */
.hub-foot__note {
  flex: 1 0 100%;
  margin: 4px 0 0;
  max-width: 92ch;
  font-size: 11.6px;
  line-height: 1.5;
  color: var(--hub-ink-faint);
}

.hub-note { color: var(--hub-ink-faint); font-size: 12.4px; font-family: var(--mono); }

.node-empty {
  border: 1px dashed var(--hub-line);
  border-radius: var(--node-radius);
  padding: 20px;
  text-align: center;
  color: var(--hub-ink-faint);
  font-size: 13px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}