/* NYC Gov 101 — calm, content-first, WCAG 2.1 AA.
   One stylesheet for the whole site. Playbook pages add their own scoped CSS. */

:root {
  --ink:        #16191f;   /* body text — ~15:1 on paper */
  --ink-soft:   #3d434d;   /* secondary text — ~9:1 on paper */
  --ink-faint:  #5b626d;   /* meta text — ~6:1 on paper (AA for normal text) */
  --paper:      #ffffff;
  --paper-2:    #f6f7f9;   /* section bands / card wells */
  --paper-3:    #eceef2;   /* hovers, chips */
  --line:       #d7dbe0;
  --line-soft:  #e6e9ed;

  --accent:     #1f5ed8;   /* civic blue — links/focus, ~5:1 on paper */
  --accent-ink: #16409a;   /* darker blue for text on light fills (AA) */
  --accent-bg:  #eaf0fd;

  --official:   #0b6b53;   /* green — official */
  --official-bg:#e3f3ee;
  --independent:#8a4b00;   /* amber-brown — independent (AA on its bg) */
  --independent-bg:#fdf0df;
  --warn:       #9a2a2a;   /* stale / TODO */
  --warn-bg:    #fbe9e9;

  --data-api:   #5a2ea6;
  --data-api-bg:#efe8fb;

  --radius: 10px;
  --maxw: 1080px;
  --maxw-read: 720px;

  --shadow: 0 1px 2px rgba(16,25,31,.06), 0 4px 16px rgba(16,25,31,.05);
  --header-h: 61px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:#e9ecf1; --ink-soft:#c2c8d2; --ink-faint:#9aa2af;
    --paper:#14171c; --paper-2:#1b1f26; --paper-3:#242a33;
    --line:#333a45; --line-soft:#262c34;
    --accent:#7aa6f5; --accent-ink:#a9c4fb; --accent-bg:#1b2740;
    --official:#5fd0ad; --official-bg:#143027;
    --independent:#f0b878; --independent-bg:#33260f;
    --warn:#f0a0a0; --warn-bg:#3a1c1c;
    --data-api:#c3a9f0; --data-api-bg:#271a3d;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 18px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* guard against incidental horizontal scroll */
}
img, svg, pre { max-width: 100%; }

/* ---------- Skip link & focus ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--accent); color: #fff; padding: .6rem 1rem; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.read { max-width: var(--maxw-read); }
.band { background: var(--paper-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
section { padding: 3rem 0; }
.section-head { margin-bottom: 1.5rem; }
.eyebrow { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); font-weight: 700; margin: 0 0 .35rem; }

/* ---------- Typography ---------- */
h1,h2,h3,h4 { line-height: 1.2; color: var(--ink); font-weight: 750; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); margin: 0 0 .5rem; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 0 0 .5rem; }
h3 { font-size: 1.2rem; margin: 0 0 .4rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent-ink); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
code, .mono { font-family: var(--mono); font-size: .92em; }
.lede { font-size: 1.18rem; color: var(--ink-soft); }
.muted { color: var(--ink-faint); }
.small { font-size: .9rem; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 1rem; min-height: 60px; }
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; color: var(--ink); text-decoration: none; letter-spacing: -.02em; }
.brand .dot { width: 12px; height: 12px; border-radius: 3px; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); flex: none; }
.brand small { display:block; font-weight:600; font-size:.7rem; color:var(--ink-faint); letter-spacing:.04em; }
.nav-links { margin-left: auto; display: flex; gap: .25rem; flex-wrap: wrap; }
.nav-links a {
  color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: .95rem;
  padding: .45rem .7rem; border-radius: 8px;
}
.nav-links a:hover { background: var(--paper-3); color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--accent-ink); background: var(--accent-bg); }

/* ---------- Hero ---------- */
.hero { padding: 3.5rem 0 2.5rem; }
.hero .lede { max-width: 46ch; }
.hero-frame {
  margin-top: 1.5rem; display: grid; gap: .6rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px),1fr));
}
.frame-card { background: var(--paper-2); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1rem 1.1rem; }
.frame-card b { display:block; color: var(--ink); }
.frame-card span { color: var(--ink-faint); font-size: .92rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  background: var(--accent); color: #fff; border: 1px solid transparent;
  padding: .6rem 1rem; border-radius: 9px; font-weight: 650; text-decoration: none; cursor: pointer;
  font-size: .98rem;
}
.btn:hover { filter: brightness(1.06); }
.btn.secondary { background: var(--paper); color: var(--accent-ink); border-color: var(--line); }
.btn.secondary:hover { background: var(--paper-3); filter:none; }
.btn.ghost { background: transparent; color: var(--accent-ink); border-color: transparent; padding-inline: .3rem; }

/* ---------- Badges & tags ---------- */
.badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .76rem; font-weight: 700; letter-spacing: .01em;
  padding: .2rem .5rem; border-radius: 999px; border: 1px solid transparent; white-space: nowrap;
}
.badge .ic { font-size: .85em; }
.badge.run-official    { background: var(--official-bg);    color: var(--official);    border-color: color-mix(in srgb, var(--official) 30%, transparent); }
.badge.run-independent { background: var(--independent-bg); color: var(--independent); border-color: color-mix(in srgb, var(--independent) 30%, transparent); }
.badge.data-api  { background: var(--data-api-bg); color: var(--data-api); border-color: color-mix(in srgb, var(--data-api) 30%, transparent); }
.badge.data-bulk { background: var(--accent-bg);  color: var(--accent-ink); border-color: color-mix(in srgb, var(--accent-ink) 25%, transparent); }
.badge.data-web  { background: var(--paper-3);    color: var(--ink-soft); border-color: var(--line); }
.badge.data-none { background: var(--paper-3);    color: var(--ink-faint); border-color: var(--line); }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }

/* ---------- Source cards (Directory & shortlists) ---------- */
.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); align-items: start; }
.source-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.15rem; box-shadow: var(--shadow); position: relative;
  display: flex; flex-direction: column; gap: .55rem;
}
.source-card h3 { margin: 0; font-size: 1.12rem; }
.source-card h3 a { color: var(--ink); text-decoration: none; }
.source-card h3 a:hover { color: var(--accent-ink); text-decoration: underline; }
.source-card .aka { color: var(--ink-faint); font-size: .85rem; margin: -.2rem 0 .1rem; }
.source-card .annot { display: grid; gap: .4rem; margin: .1rem 0; }
.source-card .annot div { font-size: .92rem; color: var(--ink-soft); }
.source-card .annot .k { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); font-weight: 700; }
.source-card .extras { font-size: .85rem; }
.source-card .extras > div { display: flex; flex-wrap: wrap; gap: .3rem .7rem; }
.source-card .extras a { white-space: nowrap; }
.source-card .card-foot { margin-top: auto; padding-top: .5rem; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; font-size: .85rem; }
.source-card .visit { margin-left: auto; font-weight: 650; white-space: nowrap; }
.source-card.is-unverified { border-style: dashed; border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); }

/* ---------- Problem chooser (Start here) ---------- */
.problem-grid { display: grid; gap: .85rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px),1fr)); }
.problem-card {
  text-align: left; width: 100%; cursor: pointer;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; box-shadow: var(--shadow); color: var(--ink);
  display: flex; flex-direction: column; gap: .3rem; font: inherit;
}
.problem-card:hover { border-color: var(--accent); background: var(--paper-2); }
.problem-card[aria-expanded="true"] { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-bg), var(--shadow); }
.problem-card .iwant { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-ink); font-weight: 800; }
.problem-card b { font-size: 1.08rem; }
.problem-card span { color: var(--ink-soft); font-size: .92rem; }

.problem-result { margin-top: 1.5rem; }
.shortlist-head { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.shortlist-head h3 { margin: 0; }

/* ---------- Filter chips (Directory) ---------- */
.chip {
  font: inherit; font-size: .92rem; font-weight: 650; cursor: pointer;
  background: var(--paper); border: 1px solid var(--line); color: var(--ink-soft);
  padding: .4rem .8rem; border-radius: 999px;
}
.chip:hover { background: var(--paper-3); }
/* filter chips wrap a hidden checkbox */
label.chip { user-select: none; }
label.chip:has(input:checked) { background: var(--accent-bg); color: var(--accent-ink); border-color: var(--accent); }
label.chip:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- Filters (Directory) ---------- */
.toolbar { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
.search-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.search-row input[type="search"] {
  flex: 1 1 260px; min-width: 0;
  font: inherit; padding: .6rem .85rem; border: 1px solid var(--line); border-radius: 9px;
  background: var(--paper); color: var(--ink);
}
.filter-group { display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; }
.filter-group fieldset { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.filter-group legend { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); font-weight: 800; padding: 0 .5rem 0 0; float: left; }
.result-count { color: var(--ink-faint); font-size: .9rem; }

/* ---------- Copyable shortlist ---------- */
.copybox { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; }
.copybox pre { margin: 0; overflow-x: auto; font-family: var(--mono); font-size: .82rem; color: var(--ink-soft); white-space: pre-wrap; }
.copy-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .5rem; }
.copy-ok { color: var(--official); font-weight: 700; font-size: .85rem; }

/* ---------- Glossary ---------- */
.glossary-list { display: grid; gap: 1rem; }
.glossary-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem 1.25rem; box-shadow: var(--shadow); scroll-margin-top: 80px; }
.glossary-card h3 { font-size: 1.15rem; }
.glossary-card .where { margin-top: .75rem; font-size: .9rem; }
.glossary-card .where a { margin-right: .5rem; }
.glossary-toc { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem; }
.glossary-toc a { font-size: .88rem; text-decoration: none; background: var(--paper-2); border: 1px solid var(--line-soft); color: var(--ink-soft); padding: .25rem .6rem; border-radius: 999px; }
.glossary-toc a:hover { background: var(--paper-3); color: var(--ink); }

/* ---------- Cross-link rails ---------- */
.rail { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px),1fr)); }
.rail a { display: block; text-decoration: none; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; color: var(--ink); box-shadow: var(--shadow); }
.rail a:hover { border-color: var(--accent); }
.rail a b { color: var(--accent-ink); }
.rail a span { display: block; color: var(--ink-soft); font-size: .9rem; margin-top: .2rem; }

/* ---------- Notices ---------- */
.note { border-left: 4px solid var(--accent); background: var(--accent-bg); padding: .85rem 1rem; border-radius: 0 var(--radius) var(--radius) 0; color: var(--ink-soft); }
.note.warn { border-color: var(--warn); background: var(--warn-bg); }
noscript .note { display: block; margin: 1rem 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); padding: 2.5rem 0; margin-top: 2rem; color: var(--ink-faint); font-size: .9rem; }
.site-footer a { color: var(--accent-ink); }
.foot-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px),1fr)); }
.foot-grid h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); margin-bottom: .5rem; }
.foot-grid a { display: block; text-decoration: none; padding: .15rem 0; }
.foot-grid a:hover { text-decoration: underline; }

/* ---------- Utility ---------- */
.visually-hidden { position:absolute!important; width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0; }
.stack > * + * { margin-top: 1rem; }
.center { text-align: center; }
.hidden { display: none !important; }
hr.soft { border: 0; border-top: 1px solid var(--line-soft); margin: 2rem 0; }

/* ---------- Responsive: header & small screens ---------- */
@media (max-width: 640px) {
  /* keep the header a single compact row so the sticky offset stays stable */
  .nav { flex-wrap: nowrap; gap: .6rem; }
  .brand { flex: none; }
  .brand small { display: none; }
  .nav-links {
    margin-left: auto; min-width: 0; gap: .1rem;
    flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* fade the right edge to hint there's more to scroll */
    -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent);
            mask-image: linear-gradient(90deg, #000 88%, transparent);
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { white-space: nowrap; padding: .4rem .5rem; font-size: .9rem; }
  .hero { padding: 2.5rem 0 1.75rem; }
  section { padding: 2.25rem 0; }
}