/* ========================================================================
   Editorial-analytical dashboard theme
   Colors: deep ink navy + warm brass accent + muted category hues
   Type:   Instrument Serif (H1 only) + Inter (UI) + JetBrains Mono (data)
   ======================================================================== */

:root {
  /* Surfaces */
  --bg: #f6f4ef;              /* warm off-white paper */
  --panel: #fdfcf9;
  --panel-2: #f0ede4;
  --border: #e2ddd0;
  --border-strong: #cfc8b5;

  /* Ink */
  --ink: #0f1620;             /* near-black navy */
  --text: #17202b;
  --text-mid: #4a5361;
  --muted: #8a8672;

  /* Accent — burnished brass */
  --accent: #b1741f;
  --accent-2: #d29346;
  --accent-bg: #f4e9d4;

  /* Categories */
  --cat-inputs: #a3391e;      /* steel oxide red */
  --cat-inputs-bg: #f4dfd8;
  --cat-housing: #395c3b;     /* deep green */
  --cat-housing-bg: #dee7de;
  --cat-labor: #2b4a72;       /* steel blue */
  --cat-labor-bg: #d9e2ee;
  --cat-macro: #5b3d7a;       /* muted plum */
  --cat-macro-bg: #e5dcee;

  /* Semantic */
  --up: #2f7a45;
  --down: #b13a2a;

  /* Type */
  --font-display: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Sizing */
  --sidebar-w: 240px;
  --header-h: 92px;
  --radius: 6px;
  --shadow-sm: 0 1px 0 rgba(15,22,32,0.04);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; overflow: hidden; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums lining-nums;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; }

/* ============ Layout ============ */
.dashboard {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: auto 1fr;
  height: 100dvh;
}

.sidebar {
  grid-row: 1 / -1;
  background: var(--ink);
  color: #dcd6c4;
  padding: 22px 18px;
  border-right: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand svg { flex: 0 0 auto; border-radius: 4px; }
.brand-title { font-family: var(--font-display); font-size: 20px; letter-spacing: 0.3px; color: #f6f4ef; line-height: 1.05; }
.brand-sub { font-size: 11px; color: #a49a7a; letter-spacing: 1px; text-transform: uppercase; margin-top: 3px; }

.nav { display: flex; flex-direction: column; gap: 2px; margin-top: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; font-size: 13px;
  color: #b5ac93;
  border-radius: 4px;
  border-left: 2px solid transparent;
}
.nav-item:hover { color: #f6f4ef; background: rgba(255,255,255,0.03); }
.nav-item.active { color: #f6f4ef; background: rgba(255,255,255,0.05); border-left-color: var(--accent-2); }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; background: #6a624c; flex: 0 0 auto; }
.nav-item.active .nav-dot:not([style]) { background: var(--accent-2); }

.sidebar-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 11px; color: #8b8267; }
.foot-line + .foot-line { margin-top: 4px; }

/* ============ Topbar ============ */
.topbar {
  grid-column: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding: 22px 32px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.3px;
  margin: 0 0 6px 0;
  color: var(--ink);
}
.lede { margin: 0; color: var(--text-mid); font-size: 13px; max-width: 68ch; }

.topbar-controls { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.range-group {
  display: inline-flex; padding: 3px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.range-btn {
  background: transparent; border: none;
  color: var(--text-mid);
  padding: 5px 11px; font-size: 12px; font-weight: 500;
  border-radius: 4px; letter-spacing: 0.5px;
}
.range-btn:hover { color: var(--ink); }
.range-btn.active { background: var(--ink); color: #f6f4ef; }

.chapter-group {
  display: inline-flex; padding: 3px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.chapter-btn {
  background: transparent; border: none;
  color: var(--text-mid);
  padding: 5px 12px; font-size: 12px; font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.chapter-btn:hover { color: var(--ink); }
.chapter-btn.active { background: var(--accent); color: #fff; }

.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-mid); cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--accent); width: 14px; height: 14px; }

/* ============ Main ============ */
.main {
  grid-column: 2;
  overflow-y: auto;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
  padding: 24px 32px 60px;
}

.section { margin-bottom: 44px; scroll-margin-top: 108px; }
.section-head { margin: 10px 0 16px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 26px;
  margin: 0 0 4px;
  color: var(--ink);
  display: flex; align-items: center; gap: 12px;
}
.section-sub { margin: 0; color: var(--text-mid); font-size: 13px; max-width: 72ch; }

.pill {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 1.2px; text-transform: uppercase;
  padding: 4px 8px; border-radius: 3px;
  vertical-align: middle;
}

/* ============ KPI grid ============ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 1400px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .kpi-value { font-size: 26px; }
}
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 28px; }
}
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; }
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 6px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--cat-color, var(--accent));
}
.kpi-label { font-size: 11px; color: var(--text-mid); letter-spacing: 0.5px; text-transform: uppercase; }
.kpi-value {
  font-family: var(--font-mono);
  font-size: 24px; font-weight: 500;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.kpi-delta { font-family: var(--font-mono); font-size: 12px; display: flex; align-items: center; gap: 6px; }
.kpi-delta .arrow { font-family: var(--font-sans); font-weight: 600; }
.delta-up { color: var(--up); }
.delta-down { color: var(--down); }
.delta-flat { color: var(--muted); }
.kpi-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ============ Cards & charts ============ */
.cards-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.cards-row:has(.card:only-child) { grid-template-columns: 1fr; }
.cards-row:has(.card + .card:last-child) { grid-template-columns: 2fr 1fr; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px 12px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  content-visibility: auto;
  contain-intrinsic-size: 0 320px;
}
.card.wide { }
.card-head { margin-bottom: 8px; }
.card-title { font-size: 14px; font-weight: 600; color: var(--ink); }
.card-sub { font-size: 12px; color: var(--text-mid); margin-top: 2px; }

.chart-wrap {
  position: relative;
  flex: 1;
  height: 280px;
}
.chart-wrap.tall { height: 420px; }

/* ============ Controls sub-card ============ */
.controls { display: flex; flex-direction: column; gap: 14px; padding: 4px 2px; }
.ctrl { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 4px 12px; font-size: 12px; color: var(--text-mid); }
.ctrl > span { grid-column: 1; }
.ctrl > output { grid-column: 2; grid-row: 1; font-family: var(--font-mono); color: var(--ink); font-weight: 500; }
.ctrl > input[type=range] { grid-column: 1 / -1; accent-color: var(--accent); width: 100%; }

/* ============ Sources table ============ */
.src-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.src-table th, .src-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); }
.src-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-mid); font-weight: 600; background: var(--panel-2); position: sticky; top: 0; }
.src-table td.num { font-family: var(--font-mono); text-align: right; }
.src-table a { color: var(--accent); text-decoration: underline; text-decoration-color: rgba(177,116,31,0.3); text-underline-offset: 2px; }
.src-table a:hover { text-decoration-color: var(--accent); }

.notes h3 { font-family: var(--font-display); font-weight: 400; font-size: 20px; margin: 4px 0 10px; color: var(--ink); }
.notes ul { margin: 0; padding-left: 20px; }
.notes li { margin-bottom: 10px; font-size: 13px; color: var(--text-mid); line-height: 1.55; }
.notes code { font-family: var(--font-mono); font-size: 12px; background: var(--panel-2); padding: 1px 5px; border-radius: 3px; }

.footer { padding: 28px 0 8px; border-top: 1px solid var(--border); margin-top: 24px; font-size: 12px; color: var(--muted); }
.footer a { color: var(--accent); }

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .cards-row, .cards-row:has(.card + .card:last-child) { grid-template-columns: 1fr; }
  .chart-wrap { height: 260px; }
}
@media (max-width: 820px) {
  :root { --sidebar-w: 56px; }
  .brand > div { display: none; }
  .nav-item { font-size: 0; padding: 10px 0; justify-content: center; }
  .nav-item .nav-dot { width: 10px; height: 10px; }
  .sidebar-foot { display: none; }
  .sidebar { padding: 18px 8px; align-items: center; }
  .brand { justify-content: center; }
  .topbar { flex-direction: column; align-items: flex-start; padding: 16px 18px; gap: 12px; }
  .topbar-controls { width: 100%; justify-content: flex-start; }
  .main { padding: 18px 16px 60px; }
  .topbar h1 { font-size: 20px; }
  .section-head h2 { font-size: 20px; }
  .card { padding: 12px 12px 8px; }
  .chart-wrap { height: 220px; }
}