/* Tokyo Night (Night variant), adapted from the Enkia palette:
   https://github.com/tokyo-night/tokyo-night-vscode-theme
   Shared by the portfolio and every Homelab view. */
:root, .lab-body {
  color-scheme: dark;
  --bg: #1a1b26;
  --panel: #24283b;
  --card: #24283b;
  --ink: #c0caf5;
  --muted: #a9b1d6;
  --line: #414868;
  --mint: #7dcfff;
  --blue: #7aa2f7;
  --amber: #e0af68;
  --v: #bb9af7;
  --tn-dark: #16161e;
  --tn-selection: #292e42;
  --tn-green: #9ece6a;
}
body, .lab-body { background: var(--bg); color: var(--ink); }
body::before, .lab-body::before {
  background: radial-gradient(ellipse at 90% 0%,rgba(61,141,255,.16),transparent 45%),
    radial-gradient(ellipse at 0% 65%,rgba(45,212,191,.06),transparent 40%);
}
::selection { background: #364a82; color: #c0caf5; }
a:focus-visible, button:focus-visible,
.lab-body button:focus-visible, .lab-body a:focus-visible {
  outline: 2px solid var(--mint); outline-offset: 5px;
}
.topbar { position: static; background: rgba(22,22,30,.94); border-color: var(--line); }
.mark, .lab-identity .mark {
  color: var(--blue); border-color: var(--blue); background: var(--tn-dark);
}
.hero h1 { letter-spacing: normal; line-height: 1.08; font-weight: 600; }
.hero h1 span { color: var(--blue); }
.eyebrow, .num { color: var(--mint); }
.button.primary {
  color: #121725; background: linear-gradient(115deg,#7aa2f7,#7dcfff);
  border-color: var(--mint); box-shadow: 0 5px 24px rgba(72,145,255,.18);
}
.button.primary:hover { background: var(--mint); border-color: var(--mint); }
.skip:focus { color: var(--bg); background: var(--mint); }
.section { border-color: var(--line); }
.card, .case, .skill { background: var(--panel); color: var(--ink); }
.card .meta { color: var(--mint); }
.tag { color: var(--muted); }
.lab-rail { background: var(--tn-dark); border-color: var(--line); }
.rail-group { border-color: var(--line); }
.rail-link, .lab-identity small, .rail-label, .lab-toolbar p, .lab-footer {
  color: var(--muted);
}
.rail-link i { color: var(--v); }
.rail-link:hover, .rail-link.active {
  color: var(--blue); background: var(--tn-selection);
}
.lab-toolbar a, .lab-mode { color: var(--muted); background: var(--tn-dark); border-color: var(--line); }
.lab-toolbar a:hover { color: var(--mint); border-color: var(--blue); }
.map-kicker, .detail-heading>p, .focus-card>span { color: var(--v); }
#reset-map { background: var(--panel); color: var(--ink); border-color: var(--line); }
#reset-map:hover { background: var(--tn-selection); border-color: var(--blue); }
.map-legend, .map-zone h3 span, .zone-note,
.compute-zone p:not(.map-kicker), .detail-heading>span,
.pipeline p, .layer-grid p, .focus-card p, .focus-card li, .rule-list p {
  color: var(--muted);
}
.map-legend span:first-child::before { border-color: var(--blue); }
.map-zone h3 { color: var(--ink); }
.nas-zone { border-color: var(--line); background: rgba(122,162,247,.035); }
.map-node { color: var(--ink); background: var(--bg); }
.map-node>span:not(.node-symbol), .map-node small { color: var(--muted); }
.node-symbol {
  background: var(--panel); border-color: var(--blue); color: var(--blue);
}
.map-node[data-node="field"] .node-symbol { color: var(--amber); border-color: var(--amber); }
.map-node[data-node="logic"] .node-symbol { color: var(--v); border-color: var(--v); }
.map-node[data-node="series"] .node-symbol,
.map-node[data-node="sql"] .node-symbol { color: var(--mint); border-color: var(--mint); }
.map-node[data-node="grafana"] .node-symbol { color: var(--tn-green); border-color: var(--tn-green); }
.map-node[data-node="ai"] .node-symbol { color: var(--v); border-color: var(--v); }
.map-node:hover { background: var(--panel); }
.map-node[aria-pressed="true"] {
  background: var(--tn-selection); border-color: var(--blue);
  box-shadow: 0 0 24px rgba(122,162,247,.12);
}
.map-node.related .node-symbol { border-color: var(--mint); }
.map-edge { stroke: var(--blue); }
.map-edge.highlight { stroke: var(--mint); }
#arrow path { fill: var(--blue); }
#arrow-focus path { fill: var(--mint); }
.node-detail, .compute-zone { border-color: var(--line); }
.node-detail p { color: var(--ink); }
.node-detail .detail-meta { color: var(--mint); }
.detail-connections button { color: var(--blue); background: var(--panel); border-color: var(--line); }
.detail-connections button:hover { color: var(--mint); border-color: var(--blue); }
.pipeline article, .layer-grid article, .focus-card {
  background: var(--panel); border-color: var(--line);
}
.pipeline b, .layer-grid b, .rule-list b { color: var(--v); }
.layer-grid small { color: var(--mint); }
.state.ready { color: var(--tn-green); }
.state.progress { color: var(--amber); }
.state.plan { color: var(--blue); }
.brand-icon { width: 24px; height: 24px; flex-shrink: 0; object-fit: contain; }
.social-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.social-links a { display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-size: .875rem; background: var(--panel); }
.social-links a:hover { color: var(--mint); border-color: var(--blue); }
.social-links .brand-icon, .social-label .brand-icon, .rail-link>.brand-icon { filter: none; }
.social-label { display: inline-flex; align-items: center; gap: 12px; }
.location-map { margin-top: 40px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.location-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.location-heading h3 { font-size: 1.125rem; margin: 0; }
.location-heading a { color: var(--mint); font-size: .875rem; }
.location-map iframe { display: block; width: 100%; height: 380px; border: 0; border-radius: 10px; background: var(--tn-dark); }
.location-map>p { font-size: .75rem; color: var(--muted); margin: 12px 0 0; }
.node-symbol.logo-symbol { background: #202b40; border-color: var(--node-accent, var(--blue)); border-radius: 12px; }
.node-symbol.logo-symbol .brand-icon { width: 32px; height: 32px; padding: 1px; }
.technology-logos { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.logo-tile { display: inline-flex; padding: 8px; border-radius: 8px; background: #1d273b; border: 1px solid #414868; }
.technology-logos+h3 { margin-top: 18px; }
.host-logo { width: 24px; height: 24px; margin-right: 8px; vertical-align: middle; }
@media(max-width:640px) { .location-map { padding: 14px; } .location-map iframe { height: 300px; } }

/* Industrial Tokyo Night: illuminated edges, cool surfaces, restrained amber. */
.hero-actions { flex-direction: column; align-items: flex-start; gap: 14px; }
.homelab-invitation {
  display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px 16px;
  width: 100%; max-width: 560px; padding: 22px 24px;
  border: 1px solid var(--tn-green); border-radius: 14px;
  background: linear-gradient(120deg,rgba(158,206,106,.12),rgba(158,206,106,.035));
  box-shadow: 0 5px 28px rgba(158,206,106,.07);
  text-decoration: none; transition: background-color .18s, box-shadow .18s, border-color .18s;
}
.invitation-kicker {
  align-self: center; color: var(--tn-green);
  font: 700 .72rem/1.4 ui-monospace,SFMono-Regular,monospace;
  letter-spacing: .12em; text-transform: uppercase;
}
.invitation-preview { display: flex; align-items: center; }
.preview-node { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: #1a2333; }
.preview-node svg { width: 22px; height: 22px; }
.preview-sensor { color: var(--mint); }
.preview-database { color: var(--amber); }
.preview-ai { color: var(--v); }
.preview-connection { width: 15px; height: 1px; background: #749554; }
.invitation-title {
  grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  color: var(--tn-green); font-size: clamp(1.15rem,2.4vw,1.45rem); font-weight: 700; line-height: 1.3;
}
.invitation-arrow { flex-shrink: 0; font-size: 1.5rem; }
.invitation-description { grid-column: 1 / -1; color: var(--ink); font-size: .94rem; line-height: 1.5; }
.homelab-invitation:hover, .homelab-invitation:focus-visible {
  border-color: #c3e6a0; background-color: rgba(158,206,106,.08);
  box-shadow: 0 5px 30px rgba(158,206,106,.16);
}
.homelab-invitation:focus-visible { outline: 3px solid #c3e6a0; outline-offset: 5px; }
.hero-actions .work-link { background: transparent; color: var(--muted); border-color: var(--line); box-shadow: none; font-size: .9rem; }
.hero-actions .work-link:hover { color: var(--ink); border-color: var(--muted); }
@media(max-width:380px) {
  .homelab-invitation { padding: 18px; gap: 12px; }
  .invitation-preview { grid-column: 1 / -1; }
}
@media(prefers-reduced-motion:reduce) { .homelab-invitation { transition: none; } }
.topbar { border-bottom-color: rgba(125,207,255,.32); }
.mark, .lab-identity .mark {
  background: linear-gradient(135deg,#263b60,#1a2337);
  box-shadow: inset 0 0 16px rgba(125,207,255,.08);
}
.hero {
  background: radial-gradient(ellipse at 100% 45%,rgba(55,139,236,.09),transparent 60%);
}
.signal {
  border-left-color: var(--mint);
  background: linear-gradient(100deg,rgba(125,207,255,.07),transparent);
}
.signal-row { border-color: rgba(125,207,255,.2); }
.signal-row strong { color: var(--mint); }
.signal-row:nth-child(2) strong { color: var(--blue); }
.signal-row:nth-child(3) strong { color: var(--amber); }
.section:nth-of-type(even) { background: rgba(20,25,40,.42); }
.section-head h2 { padding-left: 18px; border-left: 3px solid var(--mint); }
#work .section-head h2 { border-color: var(--blue); }
#capabilities .section-head h2 { border-color: var(--amber); }
.card, .case {
  --surface-accent: var(--mint);
  border-color: #384d69;
  border-top: 2px solid var(--surface-accent);
  background: linear-gradient(145deg,#28364b,#202536 75%);
  box-shadow: 0 12px 28px rgba(8,12,24,.15);
}
.card:nth-child(2), .case:nth-child(2) { --surface-accent: var(--blue); }
.card:nth-child(3), .case:nth-child(3) { --surface-accent: var(--amber); }
.case:nth-child(4) { --surface-accent: #73daca; }
.card .num { color: var(--surface-accent); }
.case .tag { color: var(--surface-accent); border-color: #4c607c; background: #192536; }
.skill { color: var(--mint); border-color: #355870; background: #202f42; }
.skill:nth-child(3n+2) { color: #adc4ff; border-color: #44567f; background: #252d45; }
.skill:nth-child(3n) { color: #e7bd80; border-color: #625442; background: #302c2b; }
.social-links a { background: #202c40; border-color: #3e5675; }
.contact-links a { border-color: rgba(125,207,255,.28); }
.contact-links a:hover { color: var(--mint); }
.location-map { background: linear-gradient(145deg,#233348,#202536); border-color: #3a5e78; }
.location-heading h3 { color: var(--mint); }
.rail-link.active { box-shadow: inset 3px 0 var(--mint); color: var(--mint); background: #22334a; }
.map-kicker, .detail-heading>p, .focus-card>span { color: var(--mint); }
.architecture-map {
  background-image: radial-gradient(rgba(125,207,255,.12) .7px,transparent .7px);
  background-size: 24px 24px;
}
.nas-zone { border-color: #375775; background: linear-gradient(135deg,rgba(65,140,240,.1),rgba(35,56,76,.08)); }
.map-node[aria-pressed="true"] { border-color: var(--mint); background: #263b52; box-shadow: 0 0 22px rgba(125,207,255,.13); }
.node-detail { border-top-color: var(--mint); }
.compute-zone { border-top-color: rgba(224,175,104,.6); }
.pipeline article, .layer-grid article, .focus-card {
  background: linear-gradient(145deg,#263449,#202536); border-color: #3c5574;
}
.pipeline b, .layer-grid b, .rule-list b { color: var(--amber); }

/* Palette-colored marks on dark tiles; color supplements the visible labels. */
.map-node { --node-accent: #7aa2f7; }
.map-node[data-node="field"], .map-node[data-node="sql"] { --node-accent: #e0af68; }
.map-node[data-node="mqtt"] { --node-accent: #73daca; }
.map-node[data-node="logic"], .map-node[data-node="engine"] { --node-accent: #ff9e64; }
.map-node[data-node="series"] { --node-accent: #7dcfff; }
.map-node[data-node="grafana"] { --node-accent: #9ece6a; }
.map-node[data-node="ai"] { --node-accent: #bb9af7; }
.map-node .node-symbol {
  color: var(--node-accent); border-color: var(--node-accent);
  background: color-mix(in srgb, var(--node-accent) 10%, #1a1b26);
  box-shadow: 0 0 18px color-mix(in srgb, var(--node-accent) 10%, transparent);
}
.map-node strong { color: var(--node-accent); }
.map-node[data-node="logic"] .node-symbol,
.map-node[data-node="sql"] .node-symbol { border-color: var(--node-accent); }
.brand-icon[src*="espressif.svg"] {
  filter: invert(77%) sepia(39%) saturate(494%) hue-rotate(354deg) brightness(95%) contrast(87%);
}