@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600&display=swap');

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

::selection {
  background: #221E19;
  color: #221E19;
}

.dark *::selection {
  background: #BCB5A6;
  color: #BCB5A6;
}

:root {
  --bg: #BCB5A6;
  --fg: #221E19;
  --mid: #2e2a28;
  --dim: #5a5048;
  --panel-bg: rgba(188, 181, 166, 0.92);
  --border: rgba(34, 30, 25, 0.15);

  --fg-07: rgba(34, 30, 25, 0.07);
  --fg-10: rgba(34, 30, 25, 0.10);
  --fg-12: rgba(34, 30, 25, 0.12);
  --fg-15: rgba(34, 30, 25, 0.15);
  --fg-18: rgba(34, 30, 25, 0.18);
  --fg-20: rgba(34, 30, 25, 0.20);
  --fg-22: rgba(34, 30, 25, 0.22);
  --fg-25: rgba(34, 30, 25, 0.25);
  --fg-30: rgba(34, 30, 25, 0.30);
  --fg-35: rgba(34, 30, 25, 0.35);
  --fg-40: rgba(34, 30, 25, 0.40);
  --fg-45: rgba(34, 30, 25, 0.45);
  --fg-55: rgba(34, 30, 25, 0.55);
  --fg-60: rgba(34, 30, 25, 0.60);
  --fg-70: rgba(34, 30, 25, 0.70);

  --bg-04: rgba(188, 181, 166, 0.04);
  --bg-10: rgba(188, 181, 166, 0.10);
  --bg-15: rgba(188, 181, 166, 0.15);
  --bg-20: rgba(188, 181, 166, 0.20);
  --bg-25: rgba(188, 181, 166, 0.25);
  --bg-35: rgba(188, 181, 166, 0.35);
  --bg-40: rgba(188, 181, 166, 0.40);
  --bg-45: rgba(188, 181, 166, 0.45);
  --bg-50: rgba(188, 181, 166, 0.50);
}

:root.dark {
  --bg: #1A1714;
  --fg: #BCB5A6;
  --mid: #8a7e70;
  --dim: #5a5048;
  --panel-bg: rgba(26, 23, 20, 0.94);
  --border: rgba(188, 181, 166, 0.12);

  --fg-07: rgba(188, 181, 166, 0.07);
  --fg-10: rgba(188, 181, 166, 0.10);
  --fg-12: rgba(188, 181, 166, 0.12);
  --fg-15: rgba(188, 181, 166, 0.15);
  --fg-18: rgba(188, 181, 166, 0.18);
  --fg-20: rgba(188, 181, 166, 0.20);
  --fg-22: rgba(188, 181, 166, 0.22);
  --fg-25: rgba(188, 181, 166, 0.25);
  --fg-30: rgba(188, 181, 166, 0.30);
  --fg-35: rgba(188, 181, 166, 0.35);
  --fg-40: rgba(188, 181, 166, 0.40);
  --fg-45: rgba(188, 181, 166, 0.45);
  --fg-55: rgba(188, 181, 166, 0.55);
  --fg-60: rgba(188, 181, 166, 0.60);
  --fg-70: rgba(188, 181, 166, 0.70);

  --bg-04: rgba(34, 30, 25, 0.20);
  --bg-10: rgba(34, 30, 25, 0.10);
  --bg-15: rgba(34, 30, 25, 0.15);
  --bg-20: rgba(34, 30, 25, 0.20);
  --bg-25: rgba(34, 30, 25, 0.25);
  --bg-35: rgba(34, 30, 25, 0.35);
  --bg-40: rgba(34, 30, 25, 0.40);
  --bg-45: rgba(34, 30, 25, 0.45);
  --bg-50: rgba(34, 30, 25, 0.50);
}

/* theme toggle */
#theme-btn {
  width: 10px;
  height: 10px;
  border-radius: 0;
  background: var(--fg);
  border: none;
  cursor: pointer;
  opacity: 0.25;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

#theme-btn:hover {
  opacity: 0.7;
}

html,
body {
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: 'JetBrains Mono', monospace;
  overflow: hidden;
  cursor: default;
}

#app {
  position: fixed;
  inset: 16px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}

#app-header {
  height: 14px;
  flex-shrink: 0;
  background: var(--fg);
}

#app-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

#graph {
  position: relative;
  flex: 1;
  overflow: hidden;
  z-index: 1;
  background-image: radial-gradient(circle, var(--fg-12) 1px, transparent 1px);
  background-size: 24px 24px;
}

#svg,
#cloud-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#cloud-svg {
  display: none;
}

#cloud-svg.visible {
  display: block;
}

/* interests */
.c-link {
  stroke: var(--fg-12);
  stroke-width: 1px;
  fill: none;
  transition: stroke 0.2s, stroke-width 0.2s;
}

.c-link.lit {
  stroke: var(--fg-55);
  stroke-width: 2px;
}

.c-node {
  cursor: pointer;
}

.c-node circle {
  fill: var(--bg);
  stroke: var(--fg-30);
  stroke-width: 1px;
  transition: fill 0.2s, stroke 0.2s, stroke-width 0.2s;
}

.c-node:hover circle {
  stroke: var(--fg);
  stroke-width: 1.5px;
}

.c-node.active circle {
  fill: var(--fg);
  stroke: var(--fg);
  stroke-width: 2px;
}

.c-node.neighbor circle {
  stroke: var(--fg);
  stroke-width: 2px;
}

.c-node text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  font-weight: 400;
  fill: var(--fg-55);
  pointer-events: none;
  dominant-baseline: hanging;
  letter-spacing: 0.03em;
  transition: fill 0.2s, font-weight 0.2s;
}

.c-node:hover text {
  fill: var(--fg);
}

.c-node.active text,
.c-node.neighbor text {
  fill: var(--fg);
  font-weight: 500;
}

.link-cross {
  stroke: var(--fg-12);
  stroke-width: 1px;
  stroke-dasharray: 4 4;
  fill: none;
}

.node {
  cursor: pointer;
  transition: opacity 0.5s ease;
}

.node.dimmed {
  opacity: 0.08;
  pointer-events: none;
}

.node.focused circle {
  filter: brightness(1.4);
}

line {
  transition: opacity 0.5s ease;
}

line.dimmed {
  opacity: 0.04 !important;
}

path.main-link {
  fill: none;
  transition: opacity 0.5s ease;
}

path.main-link.dimmed {
  opacity: 0.04 !important;
}

.node circle {
  fill: var(--bg);
  stroke: var(--mid);
  stroke-width: 1.5px;
  transition: stroke 0.2s;
}

.node.center circle {
  fill: var(--fg);
  stroke: var(--fg);
}

.node.practice circle {
  stroke: var(--fg);
  stroke-width: 1.5px;
}

/* teaching practice node — filled triangle */
.node.teaching-node circle {
  display: none;
}

.node.teaching-node .node-tri {
  fill: var(--fg);
}

.node.teaching-node:hover .node-tri {
  opacity: 0.75;
}

/* shape-tri: projects/children under teaching */
.node.shape-tri circle {
  display: none;
}

.node.shape-tri .node-tri {
  fill: var(--fg);
  stroke: var(--fg);
  stroke-width: 1px;
}

.node.shape-tri:hover .node-tri {
  opacity: 0.75;
}

/* featured practice node — filled rhombus */
.node.featured-practice circle {
  display: none;
}

.node.featured-practice .node-rhombus {
  fill: var(--fg);
  stroke: var(--fg);
  stroke-width: 1.5px;
}

.node.featured-practice:hover .node-rhombus {
  opacity: 0.75;
}

.node.featured-practice text {
  opacity: 0.9;
}

/* featured project nodes — filled rhombus */
.node.featured-node circle {
  display: none;
}

.node.featured-node .node-rhombus {
  fill: var(--fg);
  stroke: var(--fg);
  stroke-width: 1px;
}

.node.featured-node:hover .node-rhombus {
  opacity: 0.75;
}

.node.project circle {
  fill: var(--fg);
  stroke: var(--fg);
  stroke-width: 1px;
}

.node:hover circle {
  stroke: var(--fg);
  stroke-width: 2px;
}

.node text {
  font-family: 'JetBrains Mono', monospace;
  fill: var(--fg);
  pointer-events: none;
  dominant-baseline: middle;
}

.node.center text {
  font-family: 'cofo-sans-mono-variable', 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.node.practice text {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.node.project text {
  font-size: 9px;
  font-weight: 300;
  fill: var(--fg-60);
  letter-spacing: 0.04em;
}

.node.child circle {
  fill: var(--bg);
  stroke: var(--fg);
  stroke-width: 1px;
}

.node.child text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 300;
  fill: var(--fg-60);
  letter-spacing: 0.03em;
  pointer-events: none;
  dominant-baseline: middle;
}

.node-star line {
  stroke: var(--fg);
  opacity: 1;
  transition: opacity 0.2s;
}

.node:hover .node-star line {
  opacity: 1;
}

#left-panel {
  width: 320px;
  flex-shrink: 0;
  background: var(--panel-bg);
  border-right: 1px solid var(--border);
  z-index: 10;
  user-select: none;
  height: 100%;
  display: flex;
  flex-direction: column;
  cursor: default;
}

#left-panel-header {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.lp-title {
  font-family: 'cofo-sans-mono-variable', 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: normal;
  letter-spacing: 0.04em;
  color: var(--fg);
}

#left-panel-bio {
  padding: 18px 24px 14px;
  flex-shrink: 0;
}

#left-desc p {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--fg-55);
  margin-bottom: 10px;
}

#left-desc p:last-child {
  margin-bottom: 0;
}

#left-panel-scroll {
  flex: 1;
  overflow-y: auto;
}

#left-panel-scroll::-webkit-scrollbar { width: 3px; }
#left-panel-scroll::-webkit-scrollbar-track { background: transparent; }
#left-panel-scroll::-webkit-scrollbar-thumb { background: var(--fg-20); border-radius: 2px; }

#panel-accordion {
  padding: 0 0 8px;
}

.accordion-section {
  border-top: 1px solid var(--border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 24px;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-60);
  transition: color 0.2s;
  text-align: left;
}

.accordion-trigger:hover { color: var(--fg); }
.accordion-trigger.open  { color: var(--fg); }

.accordion-arrow {
  position: absolute;
  right: 24px;
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  flex-shrink: 0;
  transition: background 0.2s;
  opacity: 0.4;
}

.accordion-trigger.open .accordion-arrow {
  background: currentColor;
  opacity: 1;
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 24px;
}

.accordion-body.open {
  max-height: 500px;
  padding-bottom: 10px;
}

.accordion-item {
  padding: 7px 0;
  border-top: 1px solid var(--fg-07);
}

.accordion-item-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--fg-70);
  margin-bottom: 3px;
}

.accordion-item-desc {
  font-size: 10px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--fg-40);
}




#right-panel {
  width: 320px;
  flex-shrink: 0;
  background: var(--panel-bg);
  border-left: 1px solid var(--border);
  z-index: 10;
  user-select: none;
  height: 100%;
  display: flex;
  flex-direction: column;
  cursor: default;
  position: relative;
}

#ascii-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  opacity: 0.6;
  pointer-events: none;
}

#ascii-iframe.hidden { display: none; }

#panel-header {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: none;
}

#panel-header.active { display: block; }

#panel-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 7px;
  transition: opacity 0.18s ease;
}

#panel-title {
  font-family: 'cofo-sans-mono-variable', 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: normal;
  letter-spacing: 0.04em;
  color: var(--fg);
  transition: opacity 0.18s ease;
}

#mobile-handle { display: none; }

#panel-scroll {
  flex: 1;
  overflow-y: auto;
}

#panel-scroll::-webkit-scrollbar { width: 3px; }
#panel-scroll::-webkit-scrollbar-track { background: transparent; }
#panel-scroll::-webkit-scrollbar-thumb { background: var(--fg-20); border-radius: 2px; }

#panel-body { padding: 18px 24px 4px; }

#panel-desc {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--fg-55);
  transition: opacity 0.18s ease;
}

#panel-list {
  list-style: none;
  margin-top: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin-top 0.3s ease, opacity 0.18s ease;
}

#panel-list.open {
  max-height: 400px;
  margin-top: 14px;
}

#panel-list li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.07em;
  color: var(--fg-40);
  padding: 8px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.2s;
}

#panel-list li::before {
  content: '—';
  color: var(--dim);
  flex-shrink: 0;
}

#panel-list li:hover { color: var(--fg); }

#panel-breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--fg-35);
  display: none;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  padding: 10px 24px;
  flex-shrink: 0;
}

#panel-breadcrumb:not(:empty) { display: flex; }

.crumb { cursor: pointer; transition: color 0.2s; }
.crumb:hover { color: var(--fg); }
.crumb.active { color: var(--fg-55); cursor: default; }
.crumb-sep { color: var(--fg-20); }

#app-footer {
  padding: 0 24px;
  height: 34px;
  border-top: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-25);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#back-btn {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 10;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--panel-bg);
  border: 1px solid var(--fg-15);
  padding: 6px 11px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  backdrop-filter: blur(6px);
  color: var(--fg-35);
  display: none;
}

#back-btn.visible { display: block; }
#back-btn:hover { color: var(--fg); border-color: var(--fg-30); }

#cloud-toggle-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
  color: var(--fg-35);
  padding: 0;
}

#cloud-toggle-btn:hover,
#cloud-toggle-btn.active { color: var(--fg); }

#panel-project-detail {
  display: none;
  flex-direction: column;
  padding: 18px 24px 20px;
}

#panel-project-detail.open { display: flex; }

#ppd-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 6px;
}

#ppd-title {
  font-family: 'cofo-sans-mono-variable', 'JetBrains Mono', monospace;
  font-size: 16px;
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 12px;
}

#ppd-desc {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--fg-55);
  margin-bottom: 14px;
}

.ppd-block { margin-bottom: 14px; }

.ppd-block-text {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--fg-55);
  white-space: pre-wrap;
}

.ppd-img-wrap {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 160px;
}

.ppd-img-wrap img {
  width: 100%;
  display: block;
  opacity: 0;
  transition: opacity 0.4s;
}

.ppd-img-wrap img.loaded { opacity: 1; }

.ppd-img-cap {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  color: var(--fg-35);
  padding: 5px 7px;
  letter-spacing: 0.06em;
}

.ppd-link {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-40);
  border: 1px solid var(--border);
  padding: 6px 12px;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.ppd-link:hover { color: var(--fg); border-color: var(--fg-40); }

#ppd-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 14px;
  border-top: 1px solid var(--border);
}

.ppd-meta-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  flex: 0 0 50%;
}

.ppd-meta-row:nth-child(odd) { padding-right: 12px; }

.ppd-meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 7px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-30);
}

.ppd-meta-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 300;
  color: var(--fg-55);
}

.panel-view-btn {
  display: inline-block;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-45);
  border: 1px solid var(--fg-20);
  padding: 7px 14px;
  cursor: pointer;
  background: none;
  transition: color 0.2s, border-color 0.2s;
}

.panel-view-btn:hover {
  color: var(--fg);
  border-color: rgba(34, 30, 25, 0.5);
}

#lightbox,
#lightbox-focus {
  --lb-bg: #1A1714;
  --lb-fg: #BCB5A6;
  --lb-35: rgba(188, 181, 166, 0.35);
  --lb-25: rgba(188, 181, 166, 0.25);
  --lb-20: rgba(188, 181, 166, 0.20);
  --lb-15: rgba(188, 181, 166, 0.15);
  --lb-10: rgba(188, 181, 166, 0.10);
  --lb-04: rgba(188, 181, 166, 0.04);
  --lb-45: rgba(188, 181, 166, 0.45);
  --lb-50: rgba(188, 181, 166, 0.50);
  --lb-40: rgba(188, 181, 166, 0.40);
}

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--lb-bg);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

#lightbox.open { opacity: 1; pointer-events: all; }

#lightbox-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 28px 40px 20px;
  border-bottom: 1px solid var(--lb-10);
  flex-shrink: 0;
}

#lightbox-meta { display: flex; flex-direction: column; gap: 6px; }

#lightbox-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lb-35);
}

#lightbox-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--lb-fg);
}

#lightbox-close {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lb-35);
  background: none;
  border: 1px solid var(--lb-15);
  padding: 8px 16px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

#lightbox-close:hover { color: var(--lb-fg); border-color: var(--lb-40); }

#lightbox-body {
  flex: 1;
  overflow-y: auto;
  padding: 36px 40px 48px;
  display: flex;
  gap: 40px;
}

#lightbox-body::-webkit-scrollbar { width: 3px; }
#lightbox-body::-webkit-scrollbar-thumb { background: var(--lb-15); }

#lightbox-images {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  align-content: start;
}

.lb-img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--lb-04);
  cursor: zoom-in;
}

.lb-img-wrap img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.lb-img-wrap img.loaded { opacity: 1; }
.lb-img-wrap:hover img { transform: scale(1.03); }
.lb-img-wrap.wide { grid-column: span 2; }

.lb-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
  color: var(--lb-25);
  padding: 8px 0 0;
}

#lightbox-sidebar {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 4px;
}

#lightbox-desc {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--lb-45);
}

.lb-detail-block { display: flex; flex-direction: column; gap: 5px; }

.lb-detail-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lb-20);
}

.lb-detail-value {
  font-size: 11px;
  font-weight: 300;
  color: var(--lb-50);
  line-height: 1.6;
}

#lightbox-focus {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(26, 23, 20, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: zoom-out;
}

#lightbox-focus.open { opacity: 1; pointer-events: all; }

#lightbox-focus img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}



@media (max-width: 680px) {

  #app { inset: 0; border: none; }
  #app-header { display: none; }
  #app-footer { display: none; }

  #app-body {
    flex-direction: column;
    min-height: 0;
    height: 100%;
  }

  #graph {
    flex: 0 0 58%;
    width: 100%;
    min-height: 0;
    order: 1;
    overflow: hidden;
  }

  #left-panel {
    flex: 0 0 42%;
    flex-shrink: 1;
    width: 100%;
    height: auto;
    min-height: 0;
    order: 2;
    border-right: none;
    border-top: 1px solid var(--border);
    overflow-y: auto;
    overflow-x: hidden;
  }

  #left-panel-scroll { flex: none; overflow-y: visible; }
  #left-panel-header { padding: 14px 20px 10px; }
  .lp-title { font-size: 15px; }
  #left-panel-bio { padding: 14px 20px 8px; }
  #left-desc p { font-size: 11px; }

  #right-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 72vh;
    flex: none;
    border-left: none;
    border-top: 1px solid var(--border);
    transform: translateY(110%);
    transition: transform 0.38s cubic-bezier(0.32, 0.72, 0, 1);
    z-index: 200;
  }

  #right-panel.mobile-open { transform: translateY(0); }

  #mobile-handle {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: absolute;
    top: 0;
    right: 0;
    padding: 12px 18px;
    z-index: 20;
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    color: var(--fg-45);
    cursor: pointer;
  }

  #right-panel.mobile-open #panel-scroll { padding-top: 8px; }
  #right-panel.mobile-open #panel-breadcrumb { padding-top: 0; }
  #ascii-iframe { display: none !important; }
  #right-panel { overflow: hidden; }
  #panel-scroll { min-height: 0; }
  #panel-header { padding: 10px 20px 12px; }
  #panel-title { font-size: 15px; }
  #panel-body { padding: 12px 20px 4px; }
  #panel-breadcrumb { padding: 10px 20px; }

  #lightbox-body {
    flex-direction: column-reverse;
    padding: 20px 16px 32px;
    gap: 24px;
  }

  #lightbox-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
  }

  #lightbox-desc { width: 100%; }
  .lb-detail-block { min-width: 80px; }
  #lightbox-images { grid-template-columns: 1fr; }
  .lb-img-wrap.wide { grid-column: span 1; }
  #lightbox-header { padding: 20px 16px 16px; }
  #lightbox-title { font-size: 16px; }

  .node.practice circle { r: 18; }
  .node.project circle { r: 13; }
  .node.child circle { r: 10; }
}