/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#ffffff;
  --bg2:#f7f8fa;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --r:10px;
  --viz:#5c6bc0;
  --data:#c88a5a;
  --aud:#4caf50;
  --law:#b59a30;
  --viz-l:#e8eaf6;
  --data-l:#fde8d0;
  --aud-l:#e8f5e9;
  --law-l:#fdf6e3;
}

html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
#matrix .wrap,#statistics .wrap,#trends .wrap,#analysis .wrap{max-width:100%;padding:0 16px}

/* ─── Nav ─── */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:56px}
.nav-brand{font-weight:700;font-size:.95rem;letter-spacing:-.02em}
.nav-links{display:flex;gap:28px}
.nav-links a{text-decoration:none;font-size:.875rem;font-weight:500;color:var(--muted);padding:16px 0;border-bottom:2px solid transparent;transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);border-color:var(--data)}

/* ─── Hero ─── */
.hero{padding:64px 24px 48px;text-align:center;background:linear-gradient(170deg,#e8eaf6 0%,#ffffff 60%)}
h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;line-height:1.2;letter-spacing:-.03em;margin-bottom:10px}
.authors{font-size:.95rem;color:var(--muted);margin-bottom:12px}
.lead{font-size:.95rem;color:var(--muted);max-width:620px;margin:0 auto}
.lead a{color:var(--viz);text-decoration:none;font-weight:500}
.lead a:hover{text-decoration:underline}

/* ─── Sections ─── */
.section{padding:64px 0}
#analysis{padding-bottom:24px}
#trends{padding-top:24px}
.section.bg{background:var(--bg2)}
.section-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:16px;margin-bottom:8px}
h2{font-size:1.5rem;font-weight:700;letter-spacing:-.02em}
h3{font-size:.95rem;font-weight:600;margin-bottom:16px}
.sub{font-size:.875rem;color:var(--muted);margin-top:2px}
.mb24{margin-bottom:24px}
.showing{font-size:.8rem;color:var(--muted);margin-bottom:12px}
.showing strong{color:var(--data)}

/* ─── Controls ─── */
.controls{display:flex;gap:8px;flex-wrap:wrap}
.ctrl{height:36px;padding:0 12px;border:1px solid var(--border);border-radius:8px;font-size:.825rem;font-family:inherit;background:#fff;color:var(--text);outline:none;transition:border .2s}
.ctrl:focus{border-color:var(--data)}
input.ctrl{width:200px}
select.ctrl{min-width:160px;cursor:pointer}
.btn-clear{height:36px;padding:0 16px;border:1px solid var(--border);border-radius:8px;font-size:.825rem;font-family:inherit;background:#fff;color:var(--muted);cursor:pointer;transition:all .15s}
.btn-clear:hover{background:var(--text);color:#fff;border-color:var(--text)}

/* ─── Table ─── */
.tbl-wrap{border:1px solid var(--border);border-radius:var(--r);background:#fff;overflow-y:auto;max-height:75vh}
.tbl-wrap::-webkit-scrollbar{width:6px;height:6px}
.tbl-wrap::-webkit-scrollbar-track{background:transparent}
.tbl-wrap::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15);border-radius:3px}
.tbl-wrap::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.25)}
.tbl-wrap{scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.15) transparent}
.ctbl-wrap::-webkit-scrollbar{width:6px;height:6px}
.ctbl-wrap::-webkit-scrollbar-track{background:transparent}
.ctbl-wrap::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15);border-radius:3px}
.ctbl-wrap::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.25)}
.ctbl-wrap{scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.15) transparent}

table{width:100%;border-collapse:collapse;font-size:.78rem}
th,td{padding:7px 5px;text-align:center;white-space:nowrap}
thead th{position:sticky;top:0;background:#fff;z-index:5;font-weight:600;border-bottom:2px solid var(--border)}
thead tr.gh th{z-index:6}
#mtx thead tr:not(.gh) th,#stbl thead tr:not(.gh) th{top:30px}

/* Group header row */
.gh{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em}
.gh-viz{background:var(--viz-l);color:var(--viz)}
.gh-data{background:var(--data-l);color:var(--data)}
.gh-aud{background:var(--aud-l);color:var(--aud)}
.gh-law{background:var(--law-l);color:var(--law)}

/* Column sub-header color tints */
.col-viz{background:var(--viz-l) !important;color:var(--viz)}
.col-data{background:var(--data-l) !important;color:var(--data)}
.col-aud{background:var(--aud-l) !important;color:var(--aud)}
.col-law{background:var(--law-l) !important;color:var(--law)}

/* Column sub-headers */
.col-head{height:90px;vertical-align:bottom;padding-bottom:8px !important;font-weight:700;font-size:.7rem;color:var(--muted)}
.col-head div{writing-mode:vertical-rl;transform:rotate(180deg);height:75px;display:flex;align-items:center;justify-content:flex-end}

/* Sticky first cols */
.s0{background:#fff;font-weight:600;text-align:center}
.s1{background:#fff;font-weight:600;text-align:center}
.s2{background:#fff;text-align:left !important;padding-left:10px !important;white-space:normal;font-weight:500}

tbody tr{border-bottom:1px solid #f3f4f6;transition:background .15s;cursor:pointer}
tbody tr:hover{background:#f0f4ff}
tbody tr:hover .s0,tbody tr:hover .s1,tbody tr:hover .s2{background:#f0f4ff}
tbody tr.row-hl{background:#e8eaf6}
tbody tr.row-hl .s0,tbody tr.row-hl .s1,tbody tr.row-hl .s2{background:#e8eaf6}
tbody tr.hide{display:none}

/* Dot */
.d{width:9px;height:9px;border-radius:50%;display:inline-block}
.d-v{background:var(--viz)}
.d-d{background:var(--data)}
.d-a{background:var(--aud)}
.d-l{background:var(--law)}

/* Ref number */
.ref{color:#b0b8c4;font-size:.65rem;margin-left:3px}
a.ref{color:#5c6bc0;text-decoration:none;cursor:pointer;transition:color .2s}
a.ref:hover{color:#3949ab;text-decoration:underline}

/* ─── Summary table ─── */
.stbl td{padding:6px 5px;font-variant-numeric:tabular-nums}
.stbl-period{text-align:left;padding-left:12px;font-weight:600;white-space:nowrap}
.stbl-ids{max-width:200px;white-space:normal;line-height:1.7;padding:6px 10px;text-align:left}
.pid{font-size:.68rem;color:var(--muted);background:#f1f5f9;border-radius:3px;padding:1px 4px;display:inline-block}
.pid-link{font-size:.68rem;color:var(--viz);background:var(--viz-l);border-radius:3px;padding:1px 4px;display:inline-block;text-decoration:none;transition:background .15s,color .15s}
.pid-link:hover{background:var(--viz);color:#fff}
.stbl tbody tr{cursor:pointer;transition:background .15s}
.stbl tbody tr:hover{background:#f0f4ff}
.stbl tbody tr.row-hl{background:#e8eaf6}
.stbl tbody tr:last-child{font-weight:700;background:var(--bg2);border-top:2px solid var(--border)}
.v0{color:#cbd5e1}

/* ─── Charts ─── */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:24px}
.card.wide{grid-column:1/-1}
.mb20{margin-bottom:20px}

/* Category distribution panels */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-top:8px}
.cat-panel{padding:0 14px 8px;border-right:1px solid var(--border)}
.cat-panel:last-child{border-right:none}
.cat-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding-bottom:6px;margin-bottom:8px}

@media(max-width:900px){.cat-grid{grid-template-columns:1fr 1fr}.cat-panel:nth-child(2){border-right:none}.cat-panel:nth-child(3){border-right:1px solid var(--border)}}

/* ─── Footer ─── */
footer{padding:32px 0;text-align:center;font-size:.8rem;color:var(--muted);border-top:1px solid var(--border)}

/* ─── Analysis section ─── */
.sm-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.sm-card{flex:1;min-width:130px;background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:16px 14px;text-align:center;display:flex;flex-direction:column;gap:2px}
.sm-n{font-size:1.5rem;font-weight:700;letter-spacing:-.03em;color:var(--text)}
.sm-l{font-size:.72rem;color:var(--muted);font-weight:500}
.a-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.a-full{margin-bottom:20px}
.tc-svg{width:100%;height:auto}
.ax-lbl{font-size:11px;fill:var(--muted);font-family:'Inter',sans-serif}
.ax-tick{font-size:9px;fill:var(--muted);font-family:'Inter',sans-serif}
.leg-lbl{font-size:10px;fill:var(--text);font-family:'Inter',sans-serif}

.c-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}
.ctbl-wrap{overflow-x:auto;max-height:500px;overflow-y:auto}
.ctbl{width:100%;border-collapse:collapse;font-size:.78rem}
.ctbl th{text-align:left;padding:8px 10px;border-bottom:2px solid var(--border);font-weight:600;white-space:nowrap;position:sticky;top:0;background:#fff;z-index:5}
.ctbl td{padding:8px 10px;border-bottom:1px solid #f3f4f6;vertical-align:top;text-align:left}
.ctbl tbody tr{cursor:pointer;transition:background .15s}
.ctbl tbody tr:hover{background:#f0f4ff}
.ctbl tbody tr.row-hl{background:#e8eaf6;font-weight:500}
.td-feat{max-width:180px;white-space:normal;font-size:.73rem;color:var(--muted)}
.td-ids{font-size:.7rem;color:var(--muted);max-width:160px;white-space:normal}


/* ─── Tooltip ─── */
.tooltip{position:fixed;background:var(--text);color:#fff;padding:5px 12px;border-radius:6px;font-size:.75rem;pointer-events:none;z-index:200;opacity:0;transition:opacity .12s;white-space:nowrap}
.tooltip.show{opacity:1}

/* ─── Responsive ─── */
@media(max-width:768px){
  .kpis{gap:24px}
  .kpi-n{font-size:2rem}
  .cards{grid-template-columns:1fr}
  .card.wide{grid-column:1}
  .a-grid{grid-template-columns:1fr}
  .sm-row{gap:8px}
  .sm-card{min-width:100px;padding:12px 10px}
  .sm-n{font-size:1.2rem}
  .section-top{flex-direction:column}
  .controls{width:100%}
  input.ctrl{width:100%}
  select.ctrl{width:100%}
  .s2{min-width:180px}
  nav{padding:0 16px}
  .nav-links{gap:16px}
}