/* NZ Vitals: white / black / Knicks blue, Helvetica */
:root {
  --white: #ffffff;
  --black: #111111;
  --blue: #006bb6; /* Knicks blue */
  --grey: #6b6b6b;
  --line: #d9d9d9;
  --max: 1100px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: Helvetica, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--blue); }
a:hover { color: var(--black); }
a:focus-visible { outline: 3px solid var(--black); outline-offset: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip { position: absolute; left: -999px; top: 0; background: var(--black); color: var(--white); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }

/* Top bar */
.topbar { border-bottom: 1px solid var(--line); background: var(--white); }
.topbar-inner { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--black); }
.logo { width: 32px; height: 32px; border-radius: 7px; background: var(--blue); color: var(--white); font-weight: 700; font-size: 0.8rem; display: grid; place-items: center; letter-spacing: -0.02em; }
.brand-name { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; }
.asof { color: var(--grey); font-size: 0.9rem; }
.nav { margin-left: auto; display: flex; gap: 6px 18px; flex-wrap: wrap; }
.nav a { color: var(--black); text-decoration: none; font-size: 0.95rem; }
.nav a:hover { color: var(--blue); }

/* Section headings: bold with a heavy rule underneath */
.section-title { font-size: 1.25rem; margin: 40px 0 16px; padding-bottom: 6px; border-bottom: 2px solid var(--black); }
.hint { margin: -6px 0 14px; font-size: 0.85rem; color: var(--grey); }

.status { color: var(--grey); margin: 24px 0; }
.notice { border: 1px solid var(--blue); color: var(--blue); border-radius: 8px; padding: 10px 14px; margin: 24px 0 0; font-size: 0.9rem; }

.tag { display: inline-block; font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em; border: 1px solid var(--grey); color: var(--grey); padding: 1px 6px; border-radius: 3px; margin-left: 8px; vertical-align: middle; font-weight: 400; }

/* Key indicator tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.tile { background: var(--white); padding: 14px 16px; }
.label { display: inline-block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--grey); border-bottom: 1px dotted var(--grey); cursor: help; }
.tile-value { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.2; margin-top: 4px; }
.tile-value small { font-size: 0.8rem; font-weight: 400; color: var(--grey); letter-spacing: 0; }
.tile-meta { display: flex; justify-content: space-between; gap: 8px; font-size: 0.75rem; color: var(--grey); }
.chg { font-weight: 700; color: var(--blue); white-space: nowrap; }
.chg.down { color: var(--black); }
.chg.flat { color: var(--grey); }
.tile .tag { margin: 6px 0 0; }

/* Question cards */
.qgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 16px; }
.qcard { border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; }
.qcard h3 { margin: 0 0 12px; font-size: 1.05rem; }
.qrow { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; color: var(--grey); }
.qrow b { color: var(--black); text-align: right; }
.qnote { font-size: 0.82rem; color: var(--grey); margin: 12px 0 8px; }
.qlink { font-size: 0.9rem; text-decoration: none; }

/* Trend cards and charts */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 16px; margin-bottom: 48px; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; scroll-margin-top: 16px; }
.card h2 { margin: 0 0 10px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.summary { font-size: 0.9rem; margin: 10px 0 8px; }
.source { font-size: 0.75rem; color: var(--grey); margin: 0; }

.chart-host { position: relative; min-height: 150px; }
.chart { display: block; max-width: 100%; height: auto; touch-action: pan-y; cursor: crosshair; }
.chart .axis { stroke: var(--line); stroke-width: 1; }
.chart .line { fill: none; stroke: var(--blue); stroke-width: 2; stroke-linejoin: round; }
.chart .dot { fill: var(--white); stroke: var(--blue); stroke-width: 1.5; }
.chart .dot.last { fill: var(--blue); }
.chart .hline { stroke: var(--black); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .hdot { fill: var(--blue); stroke: var(--white); stroke-width: 2; }
.chart text { font-family: inherit; font-size: 10px; fill: var(--grey); }

.tip { position: absolute; display: none; pointer-events: none; background: var(--black); color: var(--white); font-size: 0.75rem; line-height: 1.3; padding: 5px 9px; border-radius: 5px; white-space: nowrap; transform: translate(-50%, -100%); z-index: 2; }
.tip.on { display: block; }
.tip.below { transform: translate(-50%, 0); }
.tip span { display: block; opacity: 0.75; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 20px 0 40px; font-size: 0.85rem; color: var(--grey); }
.site-footer p { margin: 4px 0; }

/* About page */
.prose { max-width: 700px; padding-top: 24px; padding-bottom: 48px; }
.prose h1 { font-size: 1.6rem; margin: 16px 0 0; letter-spacing: -0.02em; }
.prose h2 { font-size: 1.1rem; margin-top: 32px; }

/* Phones */
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .asof { order: 3; width: 100%; }
  .nav { margin-left: 0; width: 100%; }
  .section-title { margin-top: 32px; }
  .tile-value { font-size: 1.7rem; }
  .qcard, .card { padding: 16px; }
  .source a, .site-footer a, .qlink, .nav a { padding: 6px 0; display: inline-block; } /* easier to tap */
}