:root{
  --purple:#413494; --red:#E52823; --blue:#5EAEE0; --gold:#F9C20A;
  --charcoal:#495965; --green:#82C341; --pink:#CE509D;
  --ink:#21263b; --muted:#6b7685; --line:#e6e8ef; --bg:#f6f7fb; --card:#fff;
  --font-head:'Montserrat',system-ui,sans-serif; --font-body:'Lora',Georgia,serif;
  --radius:12px; --shadow:0 1px 3px rgba(20,20,50,.08),0 4px 18px rgba(20,20,50,.05);
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.55}
h1,h2,h3,.eyebrow,.tab,.brand-mark,.stat-val,.rank-badge,th,button,.control-label{font-family:var(--font-head)}
a{color:var(--purple)}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:1000}

/* topbar */
.topbar{display:flex;align-items:center;gap:24px;background:var(--purple);color:#fff;padding:0 24px;height:60px;position:sticky;top:0;z-index:500}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand-mark{font-weight:800;font-size:.95rem;letter-spacing:.2px}
.brand-sub{font-size:.7rem;opacity:.8;font-family:var(--font-body)}
.tabs{display:flex;gap:4px;margin-left:8px;flex-wrap:wrap}
.tab{color:#fff;text-decoration:none;padding:8px 14px;border-radius:8px;font-size:.85rem;font-weight:600;opacity:.85}
.tab:hover{background:rgba(255,255,255,.12);opacity:1}
.tab.is-active{background:#fff;color:var(--purple);opacity:1}
.logout{margin-left:auto;color:#fff;text-decoration:none;font-family:var(--font-head);font-size:.8rem;opacity:.85}
.logout:hover{opacity:1;text-decoration:underline}

/* page scaffolding */
#main{max-width:1180px;margin:0 auto;padding:28px 24px 60px}
.page-head{margin:8px 0 26px}
.eyebrow{color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:1.5px;font-size:.72rem;margin:0 0 6px}
.page-head h1{font-size:2rem;margin:0 0 8px;color:var(--purple)}
.lede{font-size:1.05rem;color:var(--charcoal);max-width:760px;margin:0}
.band{margin:34px 0}
.band-alt{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.band-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:2px solid var(--line);padding-bottom:8px;margin-bottom:16px;flex-wrap:wrap}
.band-head h2{font-size:1.3rem;margin:0;color:var(--ink)}
.band-lede{color:var(--charcoal);margin:-6px 0 16px}
.src-note{font-size:.78rem;color:var(--muted)}
.muted{color:var(--muted)}
.fineprint{font-size:.78rem;color:var(--muted);margin-top:8px}
.callout-note{margin-top:14px;background:#faf9ff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:12px 16px;font-size:.9rem;color:var(--charcoal);max-width:760px}

/* stat cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.stat-card{position:relative;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--purple);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat-val{font-size:1.9rem;font-weight:800;color:var(--purple);line-height:1.1}
.stat-label{font-weight:600;margin-top:4px;font-family:var(--font-head);font-size:.9rem}
.stat-src{font-size:.72rem;color:var(--muted);margin-top:6px}

/* rank cards */
.rank-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.rank-card{position:relative;background:#faf9ff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:16px}
.rank-card.rank-top{border-left-color:var(--gold);background:#fffdf3}
.rank-badge{font-weight:800;color:var(--red);font-size:1rem}
.rank-label{font-family:var(--font-head);font-weight:600;font-size:.88rem;margin:4px 0}
.rank-value{font-size:.82rem;color:var(--charcoal)}

/* copy button */
.copy-btn{position:absolute;top:10px;right:10px;background:var(--purple);color:#fff;border:0;border-radius:6px;font-size:.7rem;padding:5px 9px;cursor:pointer;opacity:0;transition:opacity .12s;font-weight:600}
.stat-card:hover .copy-btn,.rank-card:hover .copy-btn,.copy-btn:focus{opacity:1}
.copy-btn.copied{background:var(--green)}

.sotw{font-size:1.15rem;font-style:italic;background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px}
.ghost-btn{background:#fff;border:1px solid var(--purple);color:var(--purple);border-radius:8px;padding:9px 16px;font-weight:600;cursor:pointer}
.ghost-btn:hover{background:#f1eefc}
.ghost-btn:disabled{opacity:.5;cursor:not-allowed}
.primary-btn{background:var(--red);color:#fff;border:0;border-radius:8px;padding:10px 18px;font-weight:700;cursor:pointer;font-family:var(--font-head)}
.primary-btn:hover{filter:brightness(.94)}
.primary-btn:disabled{opacity:.5;cursor:not-allowed}

/* maps */
.map-layout{display:grid;grid-template-columns:300px 1fr;gap:18px;margin-top:20px}
.aud-layout{display:grid;grid-template-columns:320px 1fr;gap:18px;margin-top:14px}
.map{height:560px;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.map-tall{height:440px;margin:14px 0}
.map-controls,.aud-controls{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);align-self:start}
.control-label{display:block;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--charcoal);margin:12px 0 6px}
.control-select,.filter-inputs input{width:100%;padding:9px;border:1px solid var(--line);border-radius:8px;font-family:var(--font-body);font-size:.9rem}
.legend{margin-top:16px;font-size:.8rem}
.legend-title,.legend-bar-label{font-weight:700;font-family:var(--font-head);font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--charcoal);margin-bottom:6px}
.legend-row{display:flex;align-items:center;gap:8px;margin:3px 0}
.legend-scale{display:flex;height:14px;border-radius:4px;overflow:hidden;margin:4px 0}
.legend-scale span{flex:1}
.legend-ends{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted)}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block}
.dot-400{background:var(--purple)}.dot-420{background:var(--red)}.dot-450{background:var(--blue)}.dot-480{background:var(--gold)}
.tract-profile{margin-top:16px;border-top:1px solid var(--line);padding-top:12px;font-size:.85rem}
.tract-profile h3{margin:0 0 8px;font-size:1rem;color:var(--purple)}
.tract-profile table{width:100%;border-collapse:collapse}
.tract-profile td{padding:3px 0;border-bottom:1px solid #f0f1f6}
.tract-profile td:last-child{text-align:right;font-weight:600}

/* tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.data-table{width:100%;border-collapse:collapse;font-size:.88rem}
.data-table th{background:var(--purple);color:#fff;text-align:left;padding:10px 12px;font-size:.78rem;text-transform:uppercase;letter-spacing:.4px;position:sticky;top:0}
.data-table td{padding:9px 12px;border-bottom:1px solid var(--line)}
.data-table tr:nth-child(even) td{background:#fafbfe}

/* audience builder */
.aud-controls h2{margin:0 0 10px;font-size:1.1rem;color:var(--purple)}
.filter-block{margin-bottom:12px}
.filter-block label{display:block;font-family:var(--font-head);font-size:.82rem;font-weight:600;margin-bottom:5px}
.filter-meta{font-weight:400;color:var(--muted);font-size:.72rem;display:block}
.filter-inputs{display:flex;align-items:center;gap:6px}
.filter-inputs span{color:var(--muted);font-size:.8rem}
.aud-actions{display:flex;gap:8px;margin-top:14px}
.aud-summary{background:#faf9ff;border:1px solid var(--line);border-left:4px solid var(--purple);border-radius:var(--radius);padding:16px;margin-bottom:4px}
.aud-summary .big{font-size:1.5rem;font-weight:800;color:var(--purple);font-family:var(--font-head)}
.aud-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:8px}
.aud-summary-grid .k{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.aud-summary-grid .v{font-size:1.1rem;font-weight:700;font-family:var(--font-head)}
.aud-export{display:flex;gap:8px;margin:4px 0}

/* login */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--purple),#2c2270);padding:24px}
.login-card{background:#fff;border-radius:16px;padding:40px;max-width:420px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-brand{color:var(--red);font-family:var(--font-head);font-weight:800;text-transform:uppercase;letter-spacing:1.5px;font-size:.78rem}
.login-card h1{font-size:1.7rem;color:var(--purple);margin:6px 0 8px}
.login-lede{color:var(--charcoal);margin:0 0 20px}
.login-form label{display:block;font-family:var(--font-head);font-weight:600;font-size:.85rem;margin-bottom:6px}
.login-form input{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;font-size:1rem;margin-bottom:14px}
.login-form button{width:100%;background:var(--red);color:#fff;border:0;border-radius:8px;padding:13px;font-family:var(--font-head);font-weight:700;font-size:1rem;cursor:pointer}
.login-form button:hover{filter:brightness(.94)}
.login-error{background:#fdecea;color:#a31515;border:1px solid #f5c2bd;border-radius:8px;padding:10px 12px;font-size:.85rem;margin-bottom:14px}
.login-foot{font-size:.78rem;color:var(--muted);margin-top:18px;text-align:center}

/* footer */
.sitefoot{max-width:1180px;margin:0 auto;padding:24px;border-top:1px solid var(--line);font-size:.76rem;color:var(--muted)}
.sitefoot p{margin:4px 0}

@media(max-width:860px){
  .map-layout,.aud-layout{grid-template-columns:1fr}
  .topbar{flex-wrap:wrap;height:auto;padding:10px 16px;gap:10px}
  .tabs{order:3;width:100%}
  .page-head h1{font-size:1.5rem}
}