/* ═══════════════════════════════════════════════════════════
   Nu-Map Developer Documentation — Light Mode Stylesheet
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg:           #ffffff;
  --bg-sidebar:   #f6f8fa;
  --bg-card:      #f6f8fa;
  --bg-code:      #eef0f3;
  --border:       #d0d7de;
  --border-2:     #e8eaed;
  --text-1:       #1f2328;
  --text-2:       #24292f;
  --text-3:       #57606a;
  --text-4:       #6e7781;
  --red:          #cf222e;
  --red-soft:     #ffebe9;
  --blue:         #0969da;
  --blue-soft:    #ddf4ff;
  --green:        #1a7f37;
  --green-soft:   #dafbe1;
  --yellow:       #9a6700;
  --yellow-soft:  #fff8c5;
  --purple:       #8250df;
  --purple-soft:  #fbefff;
  --sidebar-w:    250px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-2);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 10;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.brand-logo {
  width: 30px; height: 30px;
  background: var(--red); border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; color: #fff; flex-shrink: 0;
}
.brand-logo-img {
  width: 28px; height: 28px;
  border-radius: 6px;
  object-fit: contain;
  flex-shrink: 0;
}
.brand-name { font-size: 13px; font-weight: 700; color: var(--text-1); }
.brand-sub  { font-size: 10px; color: var(--text-4); }

/* ── File type badges ── */
.ft {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  border-radius: 3px;
  padding: 1px 4px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.ft-jsx { background: #61dafb22; color: #00a8cc; border: 1px solid #61dafb55; }
.ft-js  { background: #f7df1e22; color: #b8860b; border: 1px solid #f7df1e55; }

/* ── Navigation Tree ── */
#nav-tree { padding: 8px 0 4px; }

details.nav-folder { }
details.nav-folder > summary {
  list-style: none;
  display: flex; align-items: center;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-3);
  user-select: none;
}
details.nav-folder > summary::-webkit-details-marker { display: none; }
details.nav-folder > summary::before {
  content: '▶';
  font-size: 9px;
  color: var(--text-4);
  margin-right: 5px;
  transition: transform 0.15s;
  flex-shrink: 0;
}
details.nav-folder[open] > summary::before { transform: rotate(90deg); }
details.nav-folder > summary a {
  color: inherit;
  text-decoration: none;
  display: flex; align-items: center; gap: 5px;
  flex: 1;
}
details.nav-folder > summary:hover { background: var(--border-2); color: var(--text-1); }
details.nav-folder > summary.nav-active { color: var(--blue); font-weight: 600; background: var(--blue-soft); }
details.nav-folder > summary.nav-active a { color: var(--blue); }

.nav-leaf {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 12px;
  font-size: 12.5px;
  color: var(--text-3);
  text-decoration: none;
  border-left: 2px solid transparent;
}
.nav-leaf:hover { color: var(--text-1); background: var(--border-2); }
.nav-leaf.nav-active {
  color: var(--blue);
  font-weight: 600;
  border-left-color: var(--blue);
  background: var(--blue-soft);
}

.nav-divider { height: 1px; background: var(--border); margin: 8px 16px; }
.nav-back-link {
  display: block;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-4);
  text-decoration: none;
  margin-bottom: 16px;
}
.nav-back-link:hover { color: var(--blue); }

/* ── Content ── */
.content {
  margin-left: var(--sidebar-w);
  flex: 1;
  max-width: 860px;
  padding: 36px 48px 80px;
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--text-4);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--blue); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--border); }

/* ── Node info box ── */
.node-box {
  display: flex; gap: 24px; flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0 28px;
  font-size: 13px;
}
.node-box .nb-group { display: flex; flex-direction: column; gap: 4px; min-width: 140px; }
.node-box .nb-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--text-4);
}
.node-box .nb-value { color: var(--text-2); }
.node-box .nb-value a { color: var(--blue); text-decoration: none; }
.node-box .nb-value a:hover { text-decoration: underline; }

/* ── Typography ── */
h1 {
  font-size: 26px; font-weight: 700; color: var(--text-1);
  line-height: 1.3; margin-bottom: 8px;
}
.lead {
  font-size: 15px; color: var(--text-3);
  margin-bottom: 0; max-width: 660px; line-height: 1.7;
}
h2 {
  font-size: 17px; font-weight: 700; color: var(--text-1);
  margin: 36px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
h2 .anchor { font-size: 12px; color: var(--text-4); text-decoration: none; margin-left: auto; }
h2 .anchor:hover { color: var(--blue); }
h3 { font-size: 14px; font-weight: 700; color: var(--text-1); margin: 20px 0 6px; }
h4 { font-size: 13px; font-weight: 600; color: var(--text-2); margin: 16px 0 4px; }
p { margin-bottom: 12px; color: var(--text-2); }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { margin: 0 0 12px 20px; }
li { margin-bottom: 3px; color: var(--text-2); }
strong { color: var(--text-1); font-weight: 600; }

/* ── Code ── */
code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12px;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--red);
}
pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  overflow-x: auto;
  margin: 12px 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-1);
}
pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.kw { color: #cf222e; }      /* keywords */
.str { color: #0a3069; }     /* strings */
.cmt { color: #6e7781; font-style: italic; } /* comments */
.fn-name { color: #8250df; } /* function names */
.type { color: #0550ae; }    /* types */

/* ── Tables ── */
.table-wrap { overflow-x: auto; margin: 12px 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 8px 12px;
  background: var(--bg-code); color: var(--text-3);
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  border-bottom: 2px solid var(--border);
}
td { padding: 8px 12px; border-bottom: 1px solid var(--border-2); vertical-align: top; }
tr:hover td { background: var(--bg-card); }
td code { font-size: 11.5px; }

/* ── Children grid ── */
.children-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin: 16px 0 28px;
}
.child-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  text-decoration: none;
  background: var(--bg);
  transition: border-color 0.15s, box-shadow 0.1s, transform 0.1s;
  display: block;
}
.child-card:hover {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(9,105,218,0.07);
  transform: translateY(-1px);
  text-decoration: none;
}
.child-card .cc-type {
  font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-4); margin-bottom: 5px;
}
.child-card .cc-name { font-size: 13px; font-weight: 700; color: var(--text-1); font-family: monospace; }
.child-card .cc-desc { font-size: 11.5px; color: var(--text-3); margin-top: 3px; line-height: 1.4; }

/* ── Function blocks ── */
.fn-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--purple);
  border-radius: 0 8px 8px 0;
  padding: 12px 14px;
  margin: 10px 0;
}
.fn-block.exported { border-left-color: var(--blue); }
.fn-block.private   { border-left-color: var(--text-4); }
.fn-block.computed  { border-left-color: var(--green); }
.fn-sig {
  font-family: monospace; font-size: 12.5px;
  color: var(--purple); margin-bottom: 4px; font-weight: 600;
}
.fn-block.exported .fn-sig { color: var(--blue); }
.fn-block.computed .fn-sig  { color: var(--green); }
.fn-desc { font-size: 12.5px; color: var(--text-3); line-height: 1.6; }
.fn-returns { margin-top: 4px; font-size: 11.5px; color: var(--text-4); }
.fn-returns span { color: var(--purple); font-family: monospace; }
.fn-meta { font-size: 11px; color: var(--text-4); margin-top: 4px; }

/* ── State field blocks ── */
.state-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  margin: 6px 0;
  display: flex; gap: 12px; align-items: flex-start;
}
.state-block .sb-name {
  font-family: monospace; font-size: 12px; font-weight: 700;
  color: var(--green); min-width: 160px; flex-shrink: 0;
}
.state-block .sb-type {
  font-family: monospace; font-size: 11px; color: var(--text-4); min-width: 80px;
}
.state-block .sb-desc { font-size: 12.5px; color: var(--text-3); }

/* ── Callouts ── */
.callout {
  border-radius: 8px; padding: 12px 14px; margin: 14px 0;
  border-left: 3px solid;
  display: flex; gap: 10px; align-items: flex-start;
}
.callout.info   { background: var(--blue-soft);   border-color: var(--blue);   }
.callout.tip    { background: var(--green-soft);  border-color: var(--green);  }
.callout.warn   { background: var(--yellow-soft); border-color: var(--yellow); }
.callout.note   { background: var(--purple-soft); border-color: var(--purple); }
.callout .ci    { font-size: 15px; flex-shrink: 0; margin-top: 1px; }
.callout-body   { font-size: 13px; color: var(--text-2); line-height: 1.6; }
.callout-body strong { color: var(--text-1); }

/* ── Badges ── */
.badge {
  display: inline-block; font-size: 10.5px; font-weight: 700;
  padding: 2px 7px; border-radius: 12px; vertical-align: middle;
}
.badge.blue   { background: var(--blue-soft);   color: var(--blue);   }
.badge.green  { background: var(--green-soft);  color: var(--green);  }
.badge.purple { background: var(--purple-soft); color: var(--purple); }
.badge.red    { background: var(--red-soft);    color: var(--red);    }
.badge.yellow { background: var(--yellow-soft); color: var(--yellow); }
.badge.gray   { background: var(--bg-code);     color: var(--text-3); }

/* ── Mermaid diagrams ── */
.diagram-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin: 16px 0;
  overflow-x: auto;
  text-align: center;
}
.diagram-wrap .caption {
  font-size: 11px; color: var(--text-4); margin-top: 8px; text-align: center;
}
.mermaid { text-align: center; }

/* ── Two column ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }

/* ── Responsive ── */
@media (max-width: 900px) {
  .sidebar { width: 210px; }
  .content { margin-left: 210px; padding: 24px 20px 60px; }
}
@media (max-width: 640px) {
  .sidebar { display: none; }
  .content { margin-left: 0; padding: 20px 16px 60px; }
  .children-grid { grid-template-columns: 1fr; }
}