/* variant: tui — sidebar, ncurses-ish, two-column */
:root {
  --bg: #15120e;
  --panel: #1c1813;
  --panel-2: #231e17;
  --border: #373027;
  --border-strong: #4b4136;
  --text: #eee5d8;
  --muted: #b5a795;
  --muted-2: #8a7e6e;
  --accent: #e8c078;
  --accent-2: #aec98a;
  --radius: 6px;
  --w: 1000px;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

html[data-theme="light"] {
  --bg: #fbfaf8;
  --panel: #ffffff;
  --panel-2: #f3f2f0;
  --border: #e7e5e0;
  --border-strong: #d6d3ce;
  --text: #1a1a1e;
  --muted: #57534e;
  --muted-2: #9a9894;
  --accent: #6366f1;
  --accent-2: #059669;
}* { box-sizing: border-box; }
html { scrollbar-gutter: stable; height: 100%; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column; background: var(--bg); color: var(--text); font-family: var(--mono); font-size: 14px; line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
a:hover { background: var(--accent); color: var(--bg); border-radius: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--panel); border: 1px solid var(--border); padding: 6px 10px; border-radius: 6px; }
.skip:focus { left: 12px; z-index: 10; }
.wrap { max-width: var(--w); margin: 0 auto; padding: 20px 14px 30px; display: grid; grid-template-columns: 220px 1fr; gap: 14px; align-items: start;   flex: 1;
  min-height: 100dvh;
  width: 100%;
}
.top {
  position: sticky; top: 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 14px 12px;
  display: flex; flex-direction: column; gap: 14px;
  align-items: stretch;
}
.brand { display: flex; flex-direction: column; gap: 4px; }
.brand-mark { color: var(--text); font-weight: 700; font-size: 14px; letter-spacing: -0.02em; }
.brand-mark:hover { background: none; color: var(--text); }
.brand-sub { color: var(--muted); font-size: 11.5px; line-height: 1.4; }
.tabs { display: flex; flex-direction: column; gap: 4px; }
.tabs [role="tab"] {
  appearance: none; text-align: left;
  border: 1px solid transparent;
  background: transparent; color: var(--muted);
  font: inherit; font-size: 13px; padding: 7px 10px; border-radius: 4px; cursor: pointer;
  transition: border-color 200ms ease, color 200ms ease, background-color 200ms ease;
}
.tabs [role="tab"]:hover { color: var(--accent); background: var(--panel-2); border-color: var(--border); }
.tabs [role="tab"][aria-selected="true"] { color: var(--accent); background: var(--panel-2); border-color: var(--border); box-shadow: none; }
main { margin-top: 0; min-width: 0;   flex: 1;
}
.panel { border: 1px solid var(--border); background: var(--panel); border-radius: var(--radius); padding: 20px 18px; }
.panel-head h1, .panel-head h2 { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.prompt { color: var(--accent); }
.muted { color: var(--muted); }
.hint { color: var(--muted-2); font-size: 12px; margin: 8px 0 0; }
.hint code, .pre { font-family: var(--mono); }
.prose { max-width: 60ch; }
.prose p { margin: 10px 0; }
.meta-grid { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 14px 0; }
.meta { border: 1px solid var(--border); background: var(--panel-2); border-radius: 6px; padding: 9px 12px; display: flex; justify-content: space-between; align-items: center; }
.meta .k { color: var(--muted); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.meta .v { margin-top: 0; font-size: 12.5px; }
.dot { display: inline-block; width: 7px; height: 7px; background: var(--accent-2); border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.links { display: flex; flex-wrap: wrap; gap: 8px 12px; margin: 12px 0; font-size: 13px; }
.box { border: 1px solid var(--border); background: var(--panel-2); border-radius: 6px; padding: 12px 14px; margin-top: 12px; }
.box-head { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tags span { border: 1px solid var(--border); background: var(--panel-2); color: var(--muted); font-size: 11px; padding: 2px 7px; border-radius: 999px; }
.tags.sm span { font-size: 11px; padding: 2px 7px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 8px; margin-top: 12px; }
.card { border: 1px solid var(--border); background: var(--panel-2); border-radius: 6px; padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; box-shadow: 0 0 0 0 var(--accent); transition: border-color 200ms ease, box-shadow 200ms ease, background-color 200ms ease; }
.card:hover { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.card-head h3 { margin: 0; font-size: 14px; }
.card-head h3 a { color: var(--accent); padding: 0 6px; border-radius: 4px; transition: background-color 120ms ease, color 120ms ease; }
.card-head h3 a:hover { background: var(--accent); color: var(--bg); }
.card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.card p + .tags { margin-top: 10px; }
.card p + .tags.sm { margin-top: 10px; }
.card-links { font-size: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.arch-toggle-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  transition: opacity 120ms ease;
}
.arch-toggle-btn:hover { opacity: 0.8; text-decoration: underline; }

/* Modals */
.btn-arch-modal {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 12px;
  font-weight: 400;
  color: var(--accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  border-radius: 3px;
  text-decoration: none;
  transition: background-color 120ms ease, color 120ms ease;
}
.btn-arch-modal:hover {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
}

.tech-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}
.tech-modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}
.tech-modal {
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  transform: scale(0.98);
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}
.tech-modal-overlay.is-active .tech-modal {
  transform: scale(1);
}

.tech-modal-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.modal-badge-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tech-modal-tag {
  font-size: 10px;
  font-family: var(--mono);
  color: var(--accent);
  letter-spacing: 0.06em;
  font-weight: 700;
}
.m-status-pill {
  font-size: 9.5px;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-weight: 600;
}
.m-status-prod {
  border-color: color-mix(in srgb, var(--accent-2) 40%, transparent);
  background: color-mix(in srgb, var(--accent-2) 10%, transparent);
  color: var(--accent-2);
}
.m-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.tech-modal-head h3 {
  margin: 4px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.modal-close-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  width: 28px;
  height: 28px;
  border-radius: 5px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 120ms ease;
}
.modal-close-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--panel); }

.tech-modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
}

/* Diagram switcher */
.diagram-variant-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  padding: 3px 4px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: fit-content;
}
.dvar-btn {
  font: inherit;
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 11px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 120ms ease;
}
.dvar-btn:hover {
  color: var(--text);
  background: var(--panel);
}
.dvar-btn.is-active {
  background: var(--panel);
  color: var(--accent);
  border-color: var(--border-strong);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}
.dvar-num {
  font-size: 9.5px;
  color: var(--muted-2);
}
.dvar-btn.is-active .dvar-num {
  color: var(--accent);
}

.orchid-variant-pane {
  display: none;
}
.orchid-variant-pane.is-active {
  display: block;
}

/* Diagrams */
.svg-chamber-box {
  fill: rgba(255, 255, 255, 0.02);
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 6, 6;
}
html[data-theme="light"] .svg-chamber-box {
  fill: rgba(46, 110, 98, 0.04);
}
.svg-gauge-bg {
  fill: var(--panel-2);
  stroke: var(--border-strong);
  stroke-width: 1;
}
.svg-gauge-fill {
  fill: var(--accent);
  opacity: 0.8;
}
.svg-gate-barrier {
  stroke: #d64560;
  stroke-width: 2;
  stroke-dasharray: 4, 3;
}
html[data-theme="light"] .svg-gate-barrier {
  stroke: #c23b53;
}
.svg-loop-circle {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 4, 4;
}

/* Annotations */
.svg-note-text {
  font-family: 'Caveat', cursive, var(--mono);
  font-size: 16px;
  fill: #d99b45;
}
html[data-theme="light"] .svg-note-text {
  fill: #b56e18;
}
.svg-note-line {
  stroke: #d99b45;
  stroke-width: 1.2;
  stroke-dasharray: 2, 4;
  fill: none;
  opacity: 0.85;
}
html[data-theme="light"] .svg-note-line {
  stroke: #b56e18;
}
.svg-step-badge {
  fill: var(--panel-2);
  stroke: var(--accent);
  stroke-width: 1.4;
}
.svg-step-no {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  fill: var(--accent);
}
.svg-loop-box {
  fill: rgba(255, 255, 255, 0.015);
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-dasharray: 4, 4;
}
html[data-theme="light"] .svg-loop-box {
  fill: rgba(0, 0, 0, 0.02);
}
.svg-loop-label {
  font-family: 'Caveat', cursive, var(--mono);
  font-size: 14.5px;
  fill: var(--accent);
}
.svg-lifeline {
  stroke: var(--border);
  stroke-width: 1.2;
  stroke-dasharray: 4, 4;
}

/* Zone filter */
.svg-layer-filter-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.svg-layer-label {
  font-size: 11px;
  font-family: var(--mono);
  color: var(--muted-2);
}
.svg-layer-btn {
  font: inherit;
  font-size: 10.5px;
  font-family: var(--mono);
  padding: 3px 9px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  cursor: pointer;
  transition: all 120ms ease;
}
.svg-layer-btn:hover {
  color: var(--accent);
  border-color: var(--border-strong);
}
.svg-layer-btn.is-active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 700;
}

/* Diagram zones */
.svg-zone-box {
  fill: rgba(255, 255, 255, 0.015);
  stroke: var(--border);
  stroke-dasharray: 4, 4;
  stroke-width: 1;
}
html[data-theme="light"] .svg-zone-box {
  fill: rgba(0, 0, 0, 0.02);
}
.svg-zone-title {
  fill: var(--muted-2);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  font-weight: 700;
}

/* Layer dimming */
[data-layer] {
  transition: opacity 220ms ease, filter 220ms ease;
}
.schematic-svg.has-layer-filter [data-layer].is-dimmed {
  opacity: 0.14 !important;
  filter: grayscale(1);
}
.schematic-svg {
  width: 100%;
  height: auto;
  min-width: 620px;
  display: block;
}
.svg-bg {
  fill: var(--panel);
  stroke: var(--border);
  stroke-width: 1;
}
.svg-group-node {
  cursor: pointer;
  transition: transform 150ms ease;
}
.svg-group-node:hover {
  transform: translateY(-2px);
}
.svg-node-rect {
  fill: var(--panel-2);
  stroke: var(--border-strong);
  stroke-width: 1.2;
  transition: stroke 150ms ease, fill 150ms ease;
}
.svg-group-node:hover .svg-node-rect,
.svg-group-node.is-active .svg-node-rect {
  stroke: var(--accent);
  fill: color-mix(in srgb, var(--accent) 8%, var(--panel-2));
}
.svg-node-title {
  fill: var(--text);
  font-family: var(--font-family, system-ui, sans-serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.svg-node-sub {
  fill: var(--muted);
  font-family: var(--font-family, system-ui, sans-serif);
  font-size: 9.5px;
}
.svg-wire-path {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 1.5;
}
.svg-wire-animated {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 6, 6;
  animation: flowPulse 2s linear infinite;
}
@keyframes flowPulse {
  from { stroke-dashoffset: 24; }
  to { stroke-dashoffset: 0; }
}
.svg-wire-text {
  fill: var(--muted-2);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.02em;
}

/* Node inspector */
.svg-node-inspector {
  margin-top: 10px;
  padding: 12px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.inspector-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.inspector-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
}
.inspector-port {
  font-size: 10px;
  font-family: var(--mono);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}
.inspector-desc {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--muted);
}

@media (max-width: 760px) {
  .tech-modal { max-height: 92vh; }
}

.ext { color: var(--muted-2); font-size: 11px; }
.list { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.list li { margin: 4px 0; font-size: 13px; }
.timeline {
  list-style: none;
  padding: 0 0 0 28px;
  margin: 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--border-strong) 0%, var(--border) 80%, transparent 100%);
}
.tl {
  position: relative;
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 6px;
  padding: 12px 16px;
  box-shadow: 0 0 0 0 var(--accent);
  transition: border-color 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}
.tl:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.tl::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--border-strong);
  transition: border-color 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
  z-index: 1;
}
.tl:hover::before {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.tl::after {
  content: "";
  position: absolute;
  left: -20px;
  top: 22px;
  width: 20px;
  height: 1px;
  background: var(--border);
  transition: background-color 200ms ease;
}
.tl:hover::after {
  background: var(--accent);
}
.tl-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 6px 12px;
  margin-bottom: 6px;
}
.tl-role {
  font-weight: 700;
  font-size: 13.5px;
  color: var(--text);
}
.tl-when {
  font-size: 11px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
/* Photo gallery */
.gallery-container .gallery { display: none; }

.gallery-container .stack-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  padding: 28px 16px 14px;
}
.stack-stage {
  position: relative;
  width: 100%;
  max-width: 580px;
  height: 360px;
  margin-bottom: 12px;
  perspective: 1000px;
}
.stack-card {
  position: absolute;
  top: 16px;
  left: 50%;
  width: 320px;
  min-height: 300px;
  margin-left: -160px;
  background: #1a1714;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 10px 10px 14px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 200ms ease, z-index 0ms;
  user-select: none;
  transform-origin: center bottom;
  display: flex;
  flex-direction: column;
}
.stack-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: center;
  border-radius: 4px;
  display: block;
}
.stack-caption {
  margin-top: 8px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--muted);
  text-align: center;
  padding: 0 4px;
  word-break: break-word;
}
.stack-card.is-active {
  z-index: 10;
  transform: translateY(-4px) rotate(0deg) scale(1.03) !important;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}
.stack-card.is-active .stack-caption { color: var(--text); font-weight: 600; }
.stack-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 580px;
  font-size: 11px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}
.stack-nav { display: flex; gap: 6px; }
.stack-btn {
  font: inherit;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  cursor: pointer;
}
.stack-btn:hover { color: var(--bg); background: var(--accent); border-color: var(--accent); }

@media (max-width: 760px) {
  .stack-stage { height: 320px; }
  .stack-card { width: 280px; height: 270px; margin-left: -140px; }
  .stack-card img { height: 190px; }
}

.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 8px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; height: 170px; object-fit: cover; border-radius: 6px; border: none; display: block; background: #171310; cursor: zoom-in; transition: box-shadow 200ms ease; }
.gallery img:hover { box-shadow: 0 0 0 1px var(--accent); }
.gallery figcaption { font-size: 11px; margin-top: 4px; color: var(--muted); }
.ph-box { height: 120px; border: 1px dashed var(--border-strong); border-radius: 6px; display: grid; place-items: center; color: var(--muted-2); font-size: 11px; background: #171310; }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 8px; margin-top: 12px; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.contact-list li { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; font-size: 13px; }
.contact-list .k { min-width: 80px; color: var(--muted); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; }
.pre { margin: 0; padding: 10px 12px; background: #171310; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; line-height: 1.6; overflow-x: auto; color: var(--muted); white-space: pre; }
.foot { grid-column: 1 / -1; margin-top: auto; border: 1px solid var(--border); background: var(--panel); border-radius: var(--radius); padding: 10px 14px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--muted); }

.bounty-list .k.sev-high, .bounty-list .k.sev-medium, .bounty-list .k.sev-low { font-weight: 700; }
.bounty-list .k::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.bounty-list .k.sev-high { color: #f7768e; }
.bounty-list .k.sev-high::before { background: #f7768e; }
.bounty-list .k.sev-medium { color: #e0af68; }
.bounty-list .k.sev-medium::before { background: #e0af68; }
.bounty-list .k.sev-low { color: #9ece6a; }
.bounty-list .k.sev-low::before { background: #9ece6a; }
html[data-theme="light"] .bounty-list .k.sev-high { color: #d64560; }
html[data-theme="light"] .bounty-list .k.sev-high::before { background: #d64560; }
html[data-theme="light"] .bounty-list .k.sev-medium { color: #b57b1c; }
html[data-theme="light"] .bounty-list .k.sev-medium::before { background: #b57b1c; }
html[data-theme="light"] .bounty-list .k.sev-low { color: #55822a; }
html[data-theme="light"] .bounty-list .k.sev-low::before { background: #55822a; }

html[data-theme="light"] .top, html[data-theme="light"] .panel, html[data-theme="light"] .box, html[data-theme="light"] .meta, html[data-theme="light"] .card, html[data-theme="light"] .tl, html[data-theme="light"] .pre { background: var(--panel); color: var(--text); }
html[data-theme="light"] .prose p, html[data-theme="light"] .card p, html[data-theme="light"] .tl p { color: #2e2e2c; }
html[data-theme="light"] .tags span { background: var(--panel-2); }
html[data-theme="light"] .ph-box { background: var(--panel); }
html[data-theme="light"] .gallery img { background: var(--panel-2); }
html[data-theme="light"] .gallery-container .stack-card { background: var(--panel-2); }
html[data-theme="light"] .timeline::before { background: linear-gradient(to bottom, var(--border-strong) 0%, var(--border) 80%, transparent 100%); }
html[data-theme="light"] .tl::before { background: var(--panel); border-color: var(--border-strong); }
html[data-theme="light"] .tl:hover::before { border-color: var(--accent); background: var(--accent); }
html[data-theme="light"] .tl::after { background: var(--border); }
html[data-theme="light"] .tl:hover::after { background: var(--accent); }
html[data-theme="light"] .tl-when { background: color-mix(in srgb, var(--accent) 10%, #fff); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); color: var(--accent); }

@media (max-width: 760px) {
  .wrap { grid-template-columns: 1fr; }
  .top { position: static; min-height: auto; flex-direction: row; flex-wrap: wrap; justify-content: space-between; }
  .tabs { flex-direction: row; flex-wrap: wrap; }
  .meta-grid { grid-template-columns: repeat(3,1fr); }
  .gallery { grid-template-columns: repeat(auto-fit,minmax(140px,1fr)); }
}

::selection { background: var(--accent); color: var(--bg); }

.lightbox {
  position: fixed; inset: 0;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(2px);
  display: none; align-items: center; justify-content: center;
  z-index: 1000; padding: 28px;
  opacity: 0;
  transition: opacity 160ms ease;
}
.lightbox.open { display: flex; opacity: 1; }
.lb-window {
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  width: min(92vw, 1100px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  transform: translateY(8px);
  transition: transform 180ms ease;
}
.lightbox.open .lb-window { transform: translateY(0); }
.lb-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.lb-caption { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lb-stage {
  height: min(68vh, 640px);
  display: flex; align-items: center; justify-content: center;
  padding: 14px; background: #171310; border-bottom: 1px solid var(--border);
}
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; border-radius: 6px; border: none; }
.lb-foot { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 10px 14px; }
.lb-nav { display: flex; align-items: center; gap: 10px; }
.lb-index { color: var(--muted-2); font-size: 12px; min-width: 52px; text-align: center; }
.lb-hint { color: var(--muted-2); font-size: 11px; }
.lightbox button {
  font: inherit; font-size: 11px; padding: 4px 10px;
  border-radius: 999px; border: 1px solid var(--border);
  background: var(--panel); color: var(--muted); cursor: pointer;
}
.lightbox button:hover { color: var(--bg); background: var(--accent); border-color: var(--accent); }