/* ═══════════════════════════════════════════════════════════════════
   BPN Zoning Guide — Shared Stylesheet
   Used by: who-decides-what.html, glossary.html
   (index.html and philly-zoning-districts*.html use a superset of these rules
    inline until they're unified in a later pass.)
   ═══════════════════════════════════════════════════════════════════ */

  :root {
    --bpn-green:       #00844D;
    --bpn-green-dark:  #006b3e;
    --bpn-green-light: #e6f4ed;
    --bpn-green-mid:   #c4e4d4;
    --bpn-cream:       #EAE7E4;
    --bpn-white:       #FFFFFF;
    --ink:             #1a1f18;
    --ink-mid:         #444b40;
    --ink-dim:         #7a8275;
    --border:          rgba(0,0,0,0.08);

    /* cluster colors */
    --c-disposition: #00844D;
    --c-planning:    #1a6fa3;
    --c-historic:    #7c5232;
    --c-building:    #b84040;
    --c-taxes:       #5c5c8a;
    --c-design:      #b85c00;
    --c-admin:       #2e7a5a;
    --c-political:   #2c3e50;
  }

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

  body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bpn-cream);
    color: var(--ink);
    font-weight: 400;
    line-height: 1.6;
  }

  /* ── HEADER ── */
  header {
    background: var(--bpn-green);
    padding: 56px 24px 60px;
  }

  .header-inner {
    max-width: 860px;
    margin: 0 auto;
  }

  .header-flag {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
  }

  .header-flag-wordmark {
    font-family: 'Unbounded', sans-serif;
    font-weight: 900;
    font-size: 7px;
    color: var(--bpn-cream);
    letter-spacing: .18em;
    text-transform: uppercase;
    line-height: 1.3;
    text-decoration: none;
  }

  .header-flag-sep {
    width: 1px;
    height: 18px;
    background: rgba(255,255,255,0.25);
  }

  .header-flag-label {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 9px;
    color: var(--bpn-cream);
    letter-spacing: .15em;
    text-transform: uppercase;
    opacity: .65;
  }

  .header-eyebrow {
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 10px;
    color: var(--bpn-cream);
    letter-spacing: .14em;
    text-transform: uppercase;
    opacity: .65;
    margin-bottom: 10px;
    background: var(--bpn-cream);
    color: var(--bpn-green);
    display: inline-block;
    padding: 3px 8px;
    border-radius: 2px;
    font-size: 8px;
  }

  .header-title {
    font-family: 'Unbounded', sans-serif;
    font-weight: 900;
    font-size: clamp(28px, 5vw, 52px);
    color: var(--bpn-cream);
    line-height: 1.05;
    letter-spacing: -.01em;
    margin-bottom: 18px;
  }

  .header-desc {
    color: var(--bpn-cream);
    font-size: 15px;
    font-weight: 300;
    line-height: 1.75;
    max-width: 620px;
    opacity: .88;
  }

  .header-meta {
    margin-top: 22px;
    font-size: 11px;
    font-weight: 600;
    color: var(--bpn-cream);
    opacity: .55;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }

  .header-meta a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  /* ── TOP BAR (persistent site nav) ── */
  .top-bar {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--bpn-green);
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0 24px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    height: 52px;
  }
  .top-bar-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
    margin-right: 16px;
    padding-right: 16px;
    border-right: 1px solid rgba(255,255,255,0.18);
  }
  .top-bar-logo svg { height: 28px; width: auto; display: block; }
  .top-bar-nav {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    flex: 1;
  }
  .top-bar-nav::-webkit-scrollbar { display: none; }
  .top-nav-link {
    display: block;
    padding: 0 14px;
    height: 52px;
    line-height: 52px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .04em;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    position: relative;
    top: 1px;
    cursor: pointer;
    transition: color .15s;
  }
  .top-nav-link:hover { color: rgba(255,255,255,0.88); }
  .top-nav-link.active { color: #fff; border-bottom-color: rgba(255,255,255,0.7); }
  .top-nav-external {
    color: rgba(255,255,255,0.88);
    font-style: italic;
  }
  .top-nav-external:hover { color: #fff; }
  .top-nav-sep {
    width: 1px;
    height: 20px;
    background: rgba(255,255,255,0.2);
    margin: 0 4px;
    align-self: center;
  }
  .top-nav-sep-push { margin-left: auto; }

  /* ── FILTER BAR ── */
  .filter-wrap {
    position: sticky;
    top: 52px; /* stack below the sticky top-bar */
    z-index: 100;
    background: var(--bpn-white);
    border-bottom: 1px solid rgba(0,0,0,0.08);
  }

  .filter-bar {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    gap: 0;
  }

  .filter-bar::-webkit-scrollbar { display: none; }

  .filter-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 13px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .03em;
    color: var(--ink-dim);
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s;
    position: relative;
    top: 1px;
  }

  .filter-btn:hover { color: var(--ink); }

  .filter-btn.active {
    color: var(--bpn-green);
    border-bottom-color: var(--bpn-green);
  }

  /* ── MAIN ── */
  main {
    max-width: 860px;
    margin: 0 auto;
    padding: 32px 24px 80px;
  }

  /* ── INFO BOX ── */
  .info-box {
    background: var(--bpn-white);
    border-radius: 3px;
    border-left: 3px solid var(--bpn-green);
    padding: 14px 18px;
    margin-bottom: 32px;
    font-size: 12px;
    color: var(--ink-mid);
    line-height: 1.7;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  }

  .info-box strong { color: var(--ink); }

  .info-box a { color: var(--bpn-green); text-decoration: none; border-bottom: 1px solid var(--bpn-green-mid); }

  /* ── CLUSTER SECTION ── */
  .cluster-section { margin-bottom: 36px; }
  .cluster-section.hidden { display: none; }

  .cluster-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
  }

  .cluster-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .cluster-label {
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 8.5px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-dim);
  }

  /* ── CARDS GRID ── */
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 10px;
  }

  /* ── CARD ── */
  .card {
    background: var(--bpn-white);
    border-radius: 3px;
    border-top: 3px solid transparent;
    padding: 0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
    transition: box-shadow .2s ease, transform .2s ease;
    overflow: hidden;
  }

  .card:hover {
    box-shadow: 0 4px 14px rgba(0,0,0,0.10), 0 0 0 1px rgba(0,0,0,0.04);
  }

  .card-header {
    padding: 16px 20px 14px;
    cursor: pointer;
    user-select: none;
    position: relative;
  }

  .event-tag {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 2px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--bpn-white);
  }

  .card-name {
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 13px;
    line-height: 1.3;
    color: var(--ink);
    padding-right: 28px;
    margin-bottom: 6px;
  }

  .card-tagline {
    font-size: 12px;
    color: var(--ink-mid);
    line-height: 1.6;
    font-weight: 400;
  }

  .toggle-icon {
    position: absolute;
    top: 18px;
    right: 16px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bpn-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
  }

  .toggle-icon svg {
    width: 12px;
    height: 12px;
    stroke: var(--ink-dim);
    transition: transform .22s;
  }

  .card.open .toggle-icon svg { transform: rotate(180deg); }
  .card.open .toggle-icon { background: var(--bpn-green-light); }

  /* ── CARD BODY ── */
  .card-body {
    display: none;
    border-top: 1px solid rgba(0,0,0,0.06);
    padding: 16px 20px;
    background: #f9f8f6;
  }

  .card.open .card-body { display: block; }

  .field { margin-bottom: 12px; }
  .field:last-child { margin-bottom: 0; }

  .field-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 4px;
  }

  .field-value {
    font-size: 12px;
    color: var(--ink);
    line-height: 1.65;
  }

  .field-value a {
    color: var(--bpn-green);
    text-decoration: none;
    border-bottom: 1px solid var(--bpn-green-mid);
  }

  .field-value a:hover { border-bottom-color: var(--bpn-green); }

  .divider {
    border: none;
    border-top: 1px solid rgba(0,0,0,0.06);
    margin: 12px 0;
  }

  /* ── MEMBER LABELS ── */
  .member-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 4px;
  }

  .pill {
    background: var(--bpn-cream);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 20px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.5;
  }

  .pill.chair {
    background: var(--bpn-green-light);
    border-color: var(--bpn-green-mid);
    color: var(--bpn-green-dark);
    font-weight: 600;
  }

  .pill.exofficio {
    background: #f2f2f0;
    border-style: dashed;
    color: var(--ink-mid);
    font-style: italic;
  }

  .pill.vacant {
    background: #fff8e6;
    border-color: #d4a820;
    color: #7a5c00;
  }

  /* ── TYPE BADGES ── */
  .type-badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 2px;
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: .04em;
  }

  .t-quasi       { background: rgba(26,111,163,0.1);  color: #1a6fa3; }
  .t-advisory    { background: rgba(184,92,0,0.1);    color: #b85c00; }
  .t-admin       { background: rgba(0,0,0,0.06);      color: var(--ink-mid); }
  .t-legislative { background: rgba(92,92,138,0.1);   color: #5c5c8a; }
  .t-informal    { background: rgba(184,64,64,0.1);   color: #b84040; }

  /* ── DISCRETION BAR ── */
  .disc-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
  }

  .disc-bar {
    flex: 1;
    height: 4px;
    background: rgba(0,0,0,0.08);
    border-radius: 2px;
    overflow: hidden;
  }

  .disc-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--bpn-green);
  }

  .disc-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--ink-dim);
    white-space: nowrap;
    min-width: 56px;
  }

  /* ── COVERAGE ── */
  .coverage {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    margin-top: 3px;
    letter-spacing: .02em;
  }

  .coverage.yes { background: var(--bpn-green-light); color: var(--bpn-green-dark); }
  .coverage.no  { background: rgba(0,0,0,0.05); color: var(--ink-dim); }
  .cov-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

  /* ── GLOSSARY CTA (glossary lives on its own page) ── */
  .glossary-cta {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid rgba(0,0,0,0.1);
  }
  .glossary-cta-link {
    display: block;
    padding: 24px 28px;
    background: var(--bpn-green-light);
    border: 1px solid var(--bpn-green-mid);
    border-radius: 8px;
    text-decoration: none;
    color: var(--ink);
    transition: background 0.15s, transform 0.15s;
  }
  .glossary-cta-link:hover {
    background: var(--bpn-green-mid);
    transform: translateY(-1px);
  }
  .glossary-cta-label {
    font-family: 'Unbounded', sans-serif;
    font-weight: 900;
    font-size: 18px;
    color: var(--bpn-green-dark);
    margin-bottom: 6px;
  }
  .glossary-cta-body {
    font-size: 14px;
    line-height: 1.55;
    color: var(--ink-mid);
  }
  .glossary-cta-body strong {
    color: var(--bpn-green-dark);
    font-weight: 600;
  }

  /* ── GLOSSARY ── */
  .glossary-wrap {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid rgba(0,0,0,0.1);
  }

  .glossary-title {
    font-family: 'Unbounded', sans-serif;
    font-weight: 900;
    font-size: 20px;
    color: var(--ink);
    margin-bottom: 6px;
  }

  .glossary-sub {
    font-size: 13px;
    color: var(--ink-mid);
    margin-bottom: 20px;
    line-height: 1.65;
  }

  .glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 8px;
  }

  .g-term {
    background: var(--bpn-white);
    border-radius: 3px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
    padding: 12px 14px;
    cursor: pointer;
    transition: box-shadow .15s;
  }

  .g-term:hover { box-shadow: 0 3px 10px rgba(0,0,0,0.09); }

  .g-header {
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 10px;
    color: var(--bpn-green-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: .04em;
  }

  .g-header svg {
    width: 11px;
    height: 11px;
    stroke: var(--ink-dim);
    flex-shrink: 0;
    transition: transform .2s;
  }

  .g-term.open .g-header svg { transform: rotate(180deg); }

  .g-body {
    display: none;
    font-size: 11.5px;
    color: var(--ink-mid);
    line-height: 1.65;
    margin-top: 7px;
  }

  .g-term.open .g-body { display: block; }

  /* ── FOOTER ── */
  footer {
    background: var(--ink);
    color: rgba(255,255,255,.45);
    padding: 28px 24px;
    font-size: 11px;
    text-align: center;
    line-height: 1.8;
  }

  footer a { color: rgba(255,255,255,.7); }

  .footer-brand {
    font-family: 'Unbounded', sans-serif;
    font-weight: 900;
    font-size: 11px;
    color: var(--bpn-white);
    display: block;
    margin-bottom: 4px;
    letter-spacing: .05em;
  }

  .g-term.hidden { display: none; }

  .filter-sep {
    width: 1px;
    background: rgba(0,0,0,0.08);
    margin: 8px 4px;
    flex-shrink: 0;
  }

  /* Cross-page link buttons (e.g. "← Home", "Key Terms ↗").
     Visually distinct from cluster-filter buttons so readers can tell
     that these navigate away vs. filter in place. */
  .filter-link {
    color: var(--ink-dim);
    text-decoration: none;
    font-style: italic;
    font-weight: 400;
    background: transparent;
    border-color: transparent;
    padding-left: 8px;
    padding-right: 8px;
  }
  .filter-link:hover {
    color: var(--bpn-green-dark);
    background: var(--bpn-green-light);
    border-color: var(--bpn-green-mid);
  }
  .filter-link.active { /* never active — links, not filters */
    color: var(--ink-dim);
    background: transparent;
    border-color: transparent;
  }

  /* ── KEYBOARD FOCUS INDICATORS ──
     Visible outlines for keyboard users (hidden for mouse users via :focus-visible). */
  .card-header:focus-visible,
  .g-term:focus-visible,
  .filter-btn:focus-visible {
    outline: 2px solid var(--bpn-green);
    outline-offset: 2px;
  }

  .glossary-subhead {
    grid-column: 1 / -1;
    font-family: 'Unbounded', sans-serif;
    font-weight: 700;
    font-size: 8px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ink-dim);
    padding: 6px 0 4px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    margin-top: 10px;
  }

  .glossary-subhead:first-child { margin-top: 0; }
  .glossary-subhead.hidden { display: none; }

  @media (max-width: 600px) {
    header { padding: 36px 16px 40px; }
    main { padding: 20px 16px 60px; }
    .filter-bar { padding: 0 16px; }
    .cards-grid, .glossary-grid { grid-template-columns: 1fr; }
  }