/* Fonts are loaded via <link> tags in each page head (non-blocking) */

*{margin:0;padding:0;box-sizing:border-box}

:root{
  --navy:#111827;
  --navy-light:#1f2937;
  --slate:#334155;
  --slate-light:#64748b;
  --slate-muted:#94a3b8;
  --amber:#2563eb;
  --amber-light:#fbbf24;
  --amber-bg:#eff6ff;
  --teal:#0891b2;
  --teal-bg:#ecfeff;
  --rose:#e11d48;
  --emerald:#059669;
  --bg:#f8fafc;
  --bg-warm:#eef2ff;
  --card:#ffffff;
  --text:#0f172a;
  --text-muted:#64748b;
  --border:#dbe4ee;
  --border-light:#f1f5f9;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 2px 8px rgba(15,23,42,.08);
  --shadow-lg:0 8px 24px rgba(15,23,42,.12);
  --radius:8px;
  --radius-lg:12px;
  --max-w:1440px;
  --font-display:'Outfit',system-ui,sans-serif;
  --font-body:'DM Sans',system-ui,sans-serif;
  --transition:0.2s ease;
}

html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}

a{color:var(--navy);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--amber)}

h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.3}

/* ===== HEADER ===== */
.site-header{
  background:var(--navy);
  position:sticky;top:0;z-index:200;
  border-bottom:3px solid var(--amber);
}
.header-inner{
  max-width:var(--max-w);margin:0 auto;
  padding:.55rem 1.25rem;
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;white-space:nowrap;
}
.logo{display:flex;flex-direction:column;gap:.05rem;text-decoration:none;max-width:430px;flex:0 0 auto}
.logo:hover{text-decoration:none}
.logo-text{font-family:var(--font-display);font-size:1.95rem;font-weight:700;color:#fff;letter-spacing:0;line-height:1}
.logo-sub{font-size:.72rem;color:var(--amber-light);font-weight:500;letter-spacing:.03em;text-transform:uppercase;line-height:1.2}

nav{display:flex;gap:.15rem;align-items:center;flex-wrap:nowrap;overflow-x:auto;min-width:0}
nav a{
  color:rgba(255,255,255,.75);font-size:.95rem;font-weight:500;
  padding:.4rem .55rem;border-radius:6px;white-space:nowrap;flex:0 0 auto;
  transition:all var(--transition);
}
nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
nav a.active{color:var(--amber-light);background:rgba(217,119,6,.15)}

/* Hamburger toggle - hidden on desktop */
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  padding:.5rem;margin-left:auto;
}
.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after{
  display:block;width:24px;height:2.5px;background:#fff;border-radius:2px;
  transition:all .3s ease;position:relative;
}
.nav-toggle-icon::before,.nav-toggle-icon::after{content:'';position:absolute;left:0;width:24px}
.nav-toggle-icon::before{top:-7px}
.nav-toggle-icon::after{top:7px}
.nav-toggle.open .nav-toggle-icon{background:transparent}
.nav-toggle.open .nav-toggle-icon::before{top:0;transform:rotate(45deg)}
.nav-toggle.open .nav-toggle-icon::after{top:0;transform:rotate(-45deg)}

.nav-basket-link{position:relative}
.basket-badge{
  position:absolute;top:2px;right:2px;
  background:var(--amber);color:var(--navy);
  font-size:.65rem;font-weight:700;
  min-width:18px;height:18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:9px;
}
.basket-badge:empty,.basket-badge[data-count="0"]{display:none}

/* ===== HERO ===== */
.hero{
  background:var(--navy);
  color:#fff;
  padding:1.2rem 1.5rem 2.8rem;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 0%,rgba(37,99,235,.18) 0%,transparent 58%),
             radial-gradient(ellipse at 80% 100%,rgba(8,145,178,.18) 0%,transparent 52%);
  pointer-events:none;
}
.hero-inner{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem;position:relative;z-index:1}
.hero h1{font-size:2.2rem;font-weight:700;margin-bottom:.5rem;letter-spacing:0;max-width:980px;white-space:nowrap}
.hero-sub{color:rgba(255,255,255,.7);font-size:1.05rem;max-width:760px;margin-bottom:1.6rem}

/* Hero search */
.hero-search{
  display:flex;gap:0;
  max-width:720px;
  background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.hero-search input{
  flex:1;padding:.95rem 1.2rem;border:none;font-size:1rem;
  font-family:var(--font-body);outline:none;background:transparent;
  color:var(--text);
}
.hero-search input::placeholder{color:var(--slate-muted)}
.hero-search select{
  padding:.95rem .8rem;border:none;border-left:1px solid var(--border);
  background:var(--border-light);font-size:.9rem;font-family:var(--font-body);
  cursor:pointer;outline:none;color:var(--text);min-width:160px;
}
.hero-search button{
  padding:.95rem 1.8rem;background:var(--amber);color:#fff;
  border:none;font-size:.95rem;font-weight:600;cursor:pointer;
  font-family:var(--font-display);letter-spacing:.02em;
  transition:background var(--transition);
}
.hero-search button:hover{background:#1d4ed8}

/* ===== METRIC CARDS ===== */
.metrics{
  max-width:var(--max-w);margin:-2rem auto 0;padding:0 1.5rem;
  position:relative;z-index:2;
}
.metrics-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;
}
.metric-card{
  background:var(--card);border-radius:var(--radius);
  padding:1.2rem 1rem;text-align:center;
  box-shadow:var(--shadow);border:1px solid var(--border-light);
  transition:transform var(--transition),box-shadow var(--transition);
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.metric-num{font-family:var(--font-display);font-size:1.8rem;font-weight:700;color:var(--navy);line-height:1.2}
.metric-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:500;margin-top:.2rem}

/* ===== SECTION ===== */
.section{max-width:var(--max-w);margin:2.5rem auto;padding:0 1.5rem}
.metrics + .section{margin-top:1.6rem}
.section-header{
  display:flex;align-items:baseline;justify-content:space-between;
  margin-bottom:1.2rem;padding-bottom:.6rem;
  border-bottom:2px solid var(--border);
}
.section-header h2{font-size:1.25rem;color:var(--navy)}
.section-header a{font-size:.85rem;color:var(--amber);font-weight:500}
.section-header a:hover{text-decoration:underline}

/* ===== TOPIC CARDS ===== */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.8rem}
.topic-card{
  display:flex;align-items:center;gap:.8rem;
  padding:.85rem 1rem;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius);
  font-size:.9rem;font-weight:500;color:var(--navy);
  transition:all var(--transition);cursor:pointer;
}
.topic-card:hover{border-color:var(--amber);box-shadow:var(--shadow);text-decoration:none;color:var(--amber)}
.topic-icon{font-size:1.3rem;flex-shrink:0;width:28px;text-align:center}
.topic-count{margin-left:auto;font-size:.75rem;color:var(--text-muted);font-weight:400}

/* ===== STUDY CARDS ===== */
.studies-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.study-card{
  display:block;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:1.1rem 1.3rem;
  transition:all var(--transition);
}
.study-card:hover{border-color:var(--amber);box-shadow:var(--shadow);text-decoration:none}
.study-card-id{font-size:.7rem;color:var(--text-muted);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.study-card-name{font-family:var(--font-display);font-size:1rem;font-weight:600;color:var(--navy);margin:.15rem 0 .3rem}
.study-card-meta{font-size:.8rem;color:var(--text-muted);line-height:1.4}
.study-card-stats{display:flex;gap:.8rem;margin-top:.5rem}
.study-card-stat{font-size:.75rem;font-weight:600;color:var(--teal)}

/* ===== VISUALISATION CARDS ===== */
.viz-grid{display:grid;grid-template-columns:repeat(2,minmax(340px,1fr));gap:1.2rem}
.viz-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:1.5rem;box-shadow:var(--shadow-sm);
}
.viz-card h3{font-size:1rem;color:var(--navy);margin-bottom:1rem}
.viz-card p{font-size:.82rem;color:var(--text-muted);margin:-.5rem 0 1rem}
.viz-toolbar{
  display:grid;grid-template-columns:2fr repeat(3,1fr) auto;gap:.75rem;
  align-items:end;margin-bottom:1rem;
}
.viz-toolbar .filter-group{margin-bottom:0}
.viz-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:1rem}
.viz-summary-card{
  background:var(--border-light);border:1px solid var(--border);border-radius:var(--radius);
  padding:.8rem .9rem;
}
.viz-summary-num{font-family:var(--font-display);font-size:1.45rem;font-weight:700;color:var(--navy);line-height:1.1}
.viz-summary-label{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:.2rem}
.viz-summary-panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem}
.viz-summary-panel h3{font-size:.95rem;color:var(--navy);margin:0 0 .8rem}
.viz-empty{padding:1.2rem;text-align:center;color:var(--text-muted);font-size:.85rem;background:var(--border-light);border-radius:var(--radius)}
.bar-row-link{color:inherit;text-decoration:none}
.bar-row-link:hover .bar-label{color:var(--amber)}
.bar-label.bar-label-wide{
  width:clamp(180px,34%,260px);
  white-space:normal;
  overflow:visible;
  text-overflow:clip;
  line-height:1.25;
}
.bar-label.bar-label-country{width:130px}
.viz-table-link{color:var(--amber);font-weight:600}
.coverage-mini-table{min-width:920px}

.bar-chart{display:flex;flex-direction:column;gap:.4rem}
.bar-row{display:flex;align-items:center;gap:.6rem;font-size:.75rem}
.bar-label{width:100px;text-align:right;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0}
.bar-track{flex:1;height:20px;background:var(--border-light);border-radius:3px;overflow:hidden;position:relative}
.bar-fill{height:100%;border-radius:3px;transition:width .6s ease;min-width:2px}
.bar-val{width:40px;font-weight:600;color:var(--navy);font-size:.75rem}

.donut-container{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}
.donut-svg{width:160px;height:160px;flex-shrink:0}
.donut-legend{display:flex;flex-direction:column;gap:.35rem;font-size:.8rem}
.legend-item{display:flex;align-items:center;gap:.5rem}
.legend-dot{width:10px;height:10px;border-radius:2px;flex-shrink:0}
.legend-label{color:var(--text-muted)}
.legend-val{font-weight:600;color:var(--navy);margin-left:auto}

/* -- Heatmap matrix -- */
.viz-card-wide{grid-column:1/-1}
.heatmap-scroll{overflow-x:auto;max-height:500px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius)}
.heatmap-table{border-collapse:collapse;font-size:.7rem;min-width:100%}
.heatmap-table th{
  background:var(--navy);color:#fff;font-weight:600;font-size:.65rem;
  text-transform:uppercase;letter-spacing:.03em;padding:.4rem .5rem;
  position:sticky;top:0;z-index:5;white-space:nowrap;text-align:center;
  border:1px solid rgba(255,255,255,.15);
}
.heatmap-table th:first-child{left:0;z-index:6;text-align:left}
.heatmap-row-label{
  font-weight:600;color:var(--navy);font-size:.72rem;white-space:nowrap;
  padding:.3rem .5rem;position:sticky;left:0;background:var(--card);z-index:3;
  border:1px solid var(--border);
}
.heatmap-cell{
  text-align:center;padding:.25rem .35rem;font-weight:600;font-size:.68rem;
  min-width:40px;border:1px solid rgba(255,255,255,.3);
  transition:opacity .15s;
}
.heatmap-cell:hover{opacity:.8}
.heatmap-legend{
  display:flex;align-items:center;gap:.5rem;justify-content:flex-end;
  margin-top:.5rem;font-size:.75rem;color:var(--text-muted);
}
.heatmap-legend-bar{
  width:120px;height:12px;border-radius:3px;
  background:linear-gradient(to right,var(--border-light),#d1fae5,#6ee7b7,#059669,#064e3b);
}

/* -- Waffle chart -- */
.waffle-grid{
  display:grid;grid-template-columns:repeat(10,1fr);gap:3px;
  max-width:260px;margin:0 auto .8rem;
}
.waffle-cell{
  aspect-ratio:1;border-radius:3px;
  transition:opacity .15s;cursor:default;
}
.waffle-cell:hover{opacity:.75}
.waffle-legend{display:flex;flex-wrap:wrap;gap:.4rem .8rem;justify-content:center}
.waffle-legend-item{display:flex;align-items:center;gap:.35rem;font-size:.8rem;color:var(--text-muted)}
.waffle-dot{width:10px;height:10px;border-radius:2px;flex-shrink:0}
.waffle-pct{font-weight:600;color:var(--navy)}

/* -- Treemap -- */
.treemap{
  display:flex;flex-wrap:wrap;gap:3px;
  min-height:120px;border-radius:var(--radius);overflow:hidden;
}
.treemap-cell{
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  min-height:60px;padding:.4rem .3rem;border-radius:4px;
  flex-grow:1;cursor:default;transition:opacity .15s;
}
.treemap-cell:hover{opacity:.85}
.treemap-label{color:#fff;font-size:.68rem;font-weight:600;text-align:center;line-height:1.2;word-break:break-word}
.treemap-val{color:rgba(255,255,255,.8);font-size:.62rem;font-weight:500;margin-top:.15rem}

/* -- Stacked bar -- */
.stacked-chart{display:flex;flex-direction:column;gap:.35rem}
.stacked-row{display:flex;align-items:center;gap:.5rem;font-size:.75rem}
.stacked-label{
  width:200px;text-align:right;color:var(--text-muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;
  font-size:.72rem;
}
.stacked-track{
  flex:1;height:22px;background:var(--border-light);border-radius:3px;
  overflow:hidden;display:flex;
}
.stacked-seg{height:100%;transition:width .6s ease;min-width:0}
.stacked-total{width:40px;font-weight:600;color:var(--navy);font-size:.75rem}
.stacked-legend{display:flex;flex-wrap:wrap;gap:.5rem .8rem;margin-top:.6rem;justify-content:center}
.stacked-legend-item{display:flex;align-items:center;gap:.3rem;font-size:.78rem;color:var(--text-muted)}

/* -- Bubble chart -- */
.bubble-svg{width:100%;height:auto;display:block}
.bubble-svg circle{cursor:default;transition:opacity .15s}
.bubble-svg circle:hover{opacity:1 !important}
.bubble-legend{display:flex;flex-wrap:wrap;gap:.4rem .8rem;margin-top:.6rem;justify-content:center}

/* -- Timeline -- */
.timeline-chart{position:relative;padding-top:1.8rem}
.timeline-axis{
  position:absolute;top:0;left:140px;right:0;height:1.6rem;
  border-bottom:1px solid var(--border);
}
.timeline-tick{
  position:absolute;bottom:2px;
  font-size:.65rem;color:var(--text-muted);font-weight:500;
  transform:translateX(-50%);
}
.timeline-row{display:flex;align-items:center;gap:0;margin-bottom:2px}
.timeline-label{
  width:140px;text-align:right;padding-right:.6rem;
  font-size:.72rem;color:var(--text-muted);font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;
}
.timeline-track{
  flex:1;height:18px;position:relative;
  background:var(--border-light);border-radius:2px;
}
.timeline-bar{
  position:absolute;top:2px;bottom:2px;border-radius:2px;
  transition:width .4s ease;min-width:4px;
}
.timeline-bar:hover{opacity:.8}

/* ===== SEARCH PAGE LAYOUT ===== */
.search-layout{
  max-width:var(--max-w);margin:0 auto;padding:1.5rem;
  display:grid;grid-template-columns:280px 1fr;gap:1.5rem;
  min-height:70vh;
}

/* Filter sidebar */
.filter-sidebar{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:1.2rem;align-self:start;position:sticky;top:80px;
  max-height:calc(100vh - 100px);overflow-y:auto;
}
.filter-sidebar h3{
  font-size:.9rem;color:var(--navy);margin-bottom:1rem;
  padding-bottom:.5rem;border-bottom:2px solid var(--amber);
}
.filter-group{margin-bottom:1rem}
.filter-label{
  display:block;font-size:.72rem;font-weight:600;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.06em;margin-bottom:.3rem;
}
.filter-select{
  width:100%;padding:.5rem .6rem;border:1px solid var(--border);
  border-radius:6px;font-size:.85rem;font-family:var(--font-body);
  background:var(--bg);color:var(--text);outline:none;cursor:pointer;
  transition:border-color var(--transition);
}
.filter-select:focus{border-color:var(--amber)}
.filter-actions{display:flex;gap:.5rem;margin-top:1rem}

/* Search bar at top of results */
.search-bar{
  display:flex;gap:0;background:var(--card);
  border:2px solid var(--border);border-radius:var(--radius);
  overflow:hidden;margin-bottom:1rem;
  transition:border-color var(--transition);
}
.search-bar:focus-within{border-color:var(--amber)}
.search-bar input{
  flex:1;padding:.75rem 1rem;border:none;font-size:.95rem;
  font-family:var(--font-body);outline:none;background:transparent;
}
.search-bar button{
  padding:.75rem 1.5rem;background:var(--navy);color:#fff;
  border:none;font-size:.9rem;font-weight:600;cursor:pointer;
  font-family:var(--font-display);transition:background var(--transition);
}
.search-bar button:hover{background:var(--slate)}

/* Results */
.results-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:.8rem;
}
.results-count{font-weight:600;font-size:.95rem;color:var(--navy)}
.results-timing{color:var(--text-muted);font-size:.8rem}

.result-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:1rem 1.2rem;margin-bottom:.6rem;
  display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.result-card:hover{border-color:var(--amber);box-shadow:var(--shadow-sm)}
.result-main{flex:1;min-width:0}

.badge{
  display:inline-block;font-size:.65rem;font-weight:600;
  padding:.15rem .5rem;border-radius:3px;
  text-transform:uppercase;letter-spacing:.04em;
  margin-right:.4rem;vertical-align:middle;
}
.badge-gambling{background:#dbeafe;color:#1e40af}
.badge-risk{background:#fce7f3;color:#be185d}
.badge-meta{background:var(--border-light);color:var(--slate)}
.badge-other{background:#e0e7ff;color:#4338ca}
.badge-open{background:#d1fae5;color:#065f46}
.badge-controlled{background:#fef3c7;color:#92400e}
.badge-contextual{background:#f0fdfa;color:#0d9488}

.result-title{
  font-family:var(--font-display);font-size:.95rem;font-weight:600;
  color:var(--navy);cursor:pointer;display:inline;
  transition:color var(--transition);
}
.result-title:hover{color:var(--amber)}

.result-meta{
  margin-top:.4rem;font-size:.82rem;color:var(--text-muted);
  display:flex;flex-wrap:wrap;gap:.3rem .8rem;
}
.result-meta-item{display:flex;align-items:center;gap:.3rem}
.result-meta-item strong{color:var(--text);font-weight:500}

.result-actions{flex-shrink:0;display:flex;flex-direction:column;gap:.3rem}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  padding:.5rem 1rem;border-radius:6px;font-size:.85rem;font-weight:600;
  font-family:var(--font-display);cursor:pointer;border:none;
  transition:all var(--transition);text-decoration:none;
}
.btn-primary{background:var(--amber);color:var(--navy)}
.btn-primary:hover{background:var(--amber-light);color:var(--navy);text-decoration:none}
.btn-secondary{background:var(--navy);color:#fff}
.btn-secondary:hover{background:var(--navy-light);color:#fff;text-decoration:none}
.btn-outline{background:none;color:var(--navy);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--navy);background:var(--border-light);text-decoration:none}
.btn-ghost{background:none;color:var(--text-muted);border:none;padding:.4rem .6rem}
.btn-ghost:hover{color:var(--navy);background:var(--border-light)}
.btn-danger{background:none;color:var(--rose);border:1px solid var(--rose)}
.btn-danger:hover{background:#fff1f2}
.btn-sm{padding:.35rem .7rem;font-size:.78rem}
.btn-basket-toggle{font-size:.78rem;padding:.35rem .7rem}
.btn-basket-toggle.in-basket{background:var(--navy);color:#fff;border-color:var(--navy)}

/* Dropdown */
.dropdown{position:relative;display:inline-block}
.dropdown-btn{cursor:pointer}
.dropdown-menu{
  display:none;position:absolute;top:100%;left:0;margin-top:.3rem;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);min-width:180px;z-index:50;
  overflow:hidden;
}
.dropdown.open .dropdown-menu{display:block}
.dropdown-item{
  display:block;padding:.55rem .9rem;font-size:.85rem;color:var(--text);
  cursor:pointer;transition:background var(--transition);border:none;background:none;
  width:100%;text-align:left;font-family:var(--font-body);
}
.dropdown-item:hover{background:var(--border-light);color:var(--navy)}

/* ===== PAGINATION ===== */
.pagination{display:flex;justify-content:center;gap:.25rem;margin:1.5rem 0}
.pagination button{
  padding:.4rem .75rem;border:1px solid var(--border);background:var(--card);
  border-radius:6px;cursor:pointer;font-size:.85rem;font-family:var(--font-body);
  transition:all var(--transition);color:var(--text);
}
.pagination button.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.pagination button:hover:not(.active){background:var(--border-light);border-color:var(--slate-muted)}

/* ===== STUDY DETAIL ===== */
.study-hero{background:var(--navy);color:#fff;padding:2.5rem 0 2rem;position:relative;overflow:hidden}
.study-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 0%,rgba(217,119,6,.1) 0%,transparent 50%);
  pointer-events:none;
}
.study-hero-inner{max-width:var(--max-w);margin:0 auto;padding:0 1.25rem;position:relative}
.study-hero-id{font-size:.75rem;color:var(--amber-light);font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.3rem}
.study-hero h1{font-size:1.6rem;font-weight:700;letter-spacing:-.01em}
.study-hero-badges{display:flex;gap:.5rem;margin-top:.6rem;flex-wrap:wrap}

.study-stats{
  display:flex;gap:.8rem;margin-top:1.2rem;flex-wrap:wrap;
}
.study-stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius);padding:.7rem 1rem;text-align:center;min-width:110px;
}
.study-stat-num{font-family:var(--font-display);font-size:1.4rem;font-weight:700;color:#fff}
.study-stat-label{font-size:.7rem;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:.04em}

.page-content{max-width:var(--max-w);margin:1.5rem auto;padding:0 1.5rem}

.detail-section{margin:1.5rem 0}
.detail-section h2{
  font-family:var(--font-display);font-size:1.1rem;color:var(--navy);
  margin-bottom:.8rem;padding-bottom:.4rem;
  border-bottom:2px solid var(--border);
}

.info-grid{
  display:grid;grid-template-columns:180px 1fr;gap:.35rem .8rem;font-size:.9rem;
}
.info-grid dt{font-weight:600;color:var(--text)}
.info-grid dd{margin:0;color:var(--text-muted)}
.info-grid dd a{color:var(--amber)}
.info-grid dd a:hover{text-decoration:underline}

.detail-table{width:100%;border-collapse:collapse;font-size:.85rem}
.detail-table th,.detail-table td{
  padding:.55rem .7rem;border:1px solid var(--border);
  text-align:left;vertical-align:top;
}
.detail-table th{background:var(--navy);color:#fff;font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.detail-table tr:nth-child(even){background:var(--border-light)}
.detail-table a{color:var(--amber)}
.detail-table .cell-none{color:var(--text-muted);font-style:italic}

/* ===== BASKET PAGE ===== */
.basket-banner{
  background:var(--navy);color:#fff;
  padding:.7rem 1.5rem;font-size:.9rem;font-weight:500;
  border-bottom:3px solid var(--amber);
}
.basket-banner-inner{max-width:var(--max-w);margin:0 auto}

.basket-section{margin:1.5rem 0}
.basket-section-header{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--navy);color:#fff;
  padding:.7rem 1rem;border-radius:var(--radius) var(--radius) 0 0;
}
.basket-section-header h3{font-size:.95rem;font-weight:600}
.basket-section-body{
  border:1px solid var(--border);border-top:none;
  border-radius:0 0 var(--radius) var(--radius);
  overflow:hidden;
}

.basket-item{
  display:flex;align-items:flex-start;gap:.8rem;
  padding:.7rem 1rem;border-bottom:1px solid var(--border);
  font-size:.85rem;background:var(--card);
  transition:background var(--transition);
}
.basket-item:last-child{border-bottom:none}
.basket-item:hover{background:var(--border-light)}
.basket-item-check{margin-top:.15rem;accent-color:var(--navy)}
.basket-item-content{flex:1;min-width:0}
.basket-item-title{font-weight:600;color:var(--navy)}
.basket-item-meta{font-size:.8rem;color:var(--text-muted);margin-top:.15rem}
.basket-item-meta a{color:var(--amber)}
.basket-item-remove{
  background:none;border:none;color:var(--text-muted);cursor:pointer;
  padding:.2rem;font-size:1rem;transition:color var(--transition);
}
.basket-item-remove:hover{color:var(--rose)}

.basket-empty{
  text-align:center;padding:3rem;color:var(--text-muted);
}
.basket-empty p{font-size:1.05rem;margin-bottom:.5rem}

/* ===== EXPLORE PAGE ===== */
.explore-layout{
  max-width:var(--max-w);margin:0 auto;padding:1.5rem;
  display:grid;grid-template-columns:300px 1fr;gap:1.5rem;
}
.topic-tree{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:1rem;align-self:start;position:sticky;top:80px;
}
.topic-tree h3{font-size:.9rem;color:var(--navy);margin-bottom:.8rem;padding-bottom:.5rem;border-bottom:2px solid var(--amber)}
.tree-node{margin-bottom:.1rem}
.tree-item{
  padding:.4rem .6rem;font-size:.85rem;color:var(--text);
  cursor:pointer;border-radius:4px;
  transition:all var(--transition);display:flex;align-items:center;gap:.4rem;
}
.tree-item:hover{background:var(--border-light);color:var(--navy)}
.tree-item.active{background:var(--amber-bg);color:var(--amber);font-weight:600}
.tree-folder{font-weight:600;color:var(--navy)}
.tree-leaf{font-size:.82rem}
.tree-label{flex:1;min-width:0}
.tree-toggle{font-size:.7rem;color:var(--text-muted);width:16px;text-align:center;flex-shrink:0}
.tree-spacer{width:16px;flex-shrink:0}
.tree-depth-1{padding-left:1rem}
.tree-depth-2{padding-left:1.6rem}
.tree-depth-3{padding-left:2.2rem}
.tree-children{display:none}
.tree-children.open{display:block}

/* ===== MEASURES TABLE ===== */
.measures-table{width:100%;border-collapse:collapse;font-size:.85rem}
.measures-table th,.measures-table td{
  padding:.6rem .8rem;border:1px solid var(--border);text-align:left;vertical-align:top;
}
.measures-table th{
  background:var(--navy);color:#fff;font-weight:600;font-size:.75rem;
  text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0;z-index:10;
}
.measures-table tr:nth-child(even){background:var(--border-light)}
.measures-table tr:hover{background:var(--amber-bg)}
.measures-table a{color:var(--amber)}

/* ===== COVERAGE MATRIX ===== */
.coverage-wide{max-width:98vw;margin:1.5rem auto;padding:0 1rem}
.coverage-wrapper{margin:1rem 0}
.coverage-table{border-collapse:collapse;font-size:.78rem;width:100%}
.coverage-table th,.coverage-table td{
  padding:.35rem .5rem;border:1px solid var(--border);text-align:left;
  vertical-align:top;
}
.coverage-table th{
  background:var(--navy);color:#fff;font-weight:600;font-size:.7rem;
  text-transform:uppercase;letter-spacing:.03em;position:sticky;top:0;z-index:10;
  white-space:nowrap;
}
.coverage-table td:first-child{font-weight:600;color:var(--navy)}
.coverage-table td.cov-num{text-align:center;white-space:nowrap}
.coverage-table tr:nth-child(even) td{background:var(--border-light)}
.cov-yes{color:var(--emerald);font-weight:600}
.cov-no{color:var(--text-muted)}
.cov-partial{color:var(--amber);font-weight:500}

/* ===== FAQ / HOWTO ===== */
.content-page{max-width:800px;margin:2rem auto;padding:0 1.5rem}
.content-page h1{font-size:1.5rem;color:var(--navy);margin-bottom:1.5rem}

.accordion{margin:1rem 0}
.accordion-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.5rem;overflow:hidden}
.accordion-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:.9rem 1rem;background:var(--card);cursor:pointer;
  font-weight:600;font-size:.9rem;color:var(--navy);
  transition:background var(--transition);
}
.accordion-header:hover{background:var(--border-light)}
.accordion-arrow{transition:transform var(--transition);font-size:.8rem;color:var(--text-muted)}
.accordion-item.open .accordion-arrow{transform:rotate(180deg)}
.accordion-body{
  display:none;padding:0 1rem 1rem;font-size:.9rem;color:var(--text-muted);line-height:1.6;
}
.accordion-item.open .accordion-body{display:block}

/* ===== TAG ===== */
.tag{
  display:inline-block;background:var(--border-light);color:var(--slate);
  padding:.12rem .5rem;border-radius:3px;font-size:.72rem;
  font-weight:500;margin:.1rem;
}
.tag-warning{background:#fef3c7;color:#92400e}

/* ===== FOOTER ===== */
.site-footer{
  background:var(--navy);color:rgba(255,255,255,.5);
  padding:2.5rem 1.5rem 1.5rem;margin-top:3rem;
}
.footer-inner{
  max-width:var(--max-w);margin:0 auto;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem;
}
.footer-col h4{color:rgba(255,255,255,.8);font-size:.85rem;margin-bottom:.6rem;font-family:var(--font-display)}
.footer-col a{display:block;color:rgba(255,255,255,.45);font-size:.82rem;padding:.15rem 0;transition:color var(--transition)}
.footer-col a:hover{color:var(--amber-light)}
.footer-bottom{
  max-width:var(--max-w);margin:1.5rem auto 0;
  padding-top:1rem;border-top:1px solid rgba(255,255,255,.1);
  font-size:.75rem;text-align:center;
}

/* ===== LOADING ===== */
.loading{text-align:center;padding:3rem;color:var(--text-muted);font-size:.95rem}
.loading::after{
  content:'';display:block;width:28px;height:28px;
  border:3px solid var(--border);border-top-color:var(--amber);
  border-radius:50%;margin:1rem auto 0;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .search-layout,.explore-layout{grid-template-columns:1fr}
  .filter-sidebar,.topic-tree{position:static;max-height:none}
  .hero h1{font-size:1.6rem;white-space:normal}
  .hero-search{flex-direction:column}
  .hero-search select{border-left:none;border-top:1px solid var(--border)}
  .metrics-grid{grid-template-columns:repeat(3,1fr)}
  .viz-grid{grid-template-columns:1fr}
  .viz-toolbar{grid-template-columns:1fr}
  .bar-label.bar-label-wide{width:clamp(120px,38%,180px)}
  .bar-label.bar-label-country{width:115px}
}
@media(max-width:768px){
  .nav-toggle{display:block}
  .header-inner{flex-wrap:wrap;padding:.5rem .75rem}
  .logo-text{font-size:1.35rem}
  nav{
    display:none;flex-direction:column;align-items:stretch;
    width:100%;overflow:visible;gap:0;
    background:var(--navy-light);border-radius:var(--radius);
    margin-top:.4rem;padding:.4rem 0;
  }
  nav.nav-open{display:flex}
  nav a{
    padding:.65rem 1rem;font-size:1rem;border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  nav a:last-child{border-bottom:none}
  nav a:hover,nav a.active{background:rgba(255,255,255,.08)}
}
@media(max-width:640px){
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .studies-grid{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .viz-grid{grid-template-columns:1fr}
  .result-card{flex-direction:column}
  .info-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .study-stats{flex-direction:column}
}

/* ===== STUDY PAGE: AT-A-GLANCE SIDEBAR ===== */
.study-layout{
  max-width:var(--max-w);margin:1.5rem auto;padding:0 1.25rem;
  display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:1.4rem;align-items:start;
}
.study-main{min-width:0}
.study-main .detail-section:first-child{margin-top:0}
.study-main .info-grid{font-size:.95rem}
.study-main .detail-table{font-size:.9rem}
.glance{
  position:sticky;top:1rem;
  background:var(--card);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;
}
.glance-head{
  background:var(--navy);color:#fff;padding:.8rem 1.2rem;
  font-family:var(--font-display);font-weight:700;font-size:.85rem;
  letter-spacing:.06em;text-transform:uppercase;border-bottom:3px solid var(--amber);
}
.glance-row{
  display:flex;gap:.8rem;padding:.75rem 1.2rem;
  border-bottom:1px solid var(--border-light);align-items:flex-start;
}
.glance-row:last-of-type{border-bottom:none}
.glance-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:7px;
  background:var(--amber-bg);display:flex;align-items:center;justify-content:center;color:var(--amber);
}
.glance-icon svg{width:16px;height:16px}
.glance-label{font-size:.66rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.glance-value{font-family:var(--font-display);font-size:.92rem;font-weight:600;color:var(--navy);line-height:1.35}
.glance-value-sm{font-family:var(--font-body);font-size:.82rem;font-weight:500;color:var(--text);line-height:1.45}
.glance-sub{font-size:.74rem;color:var(--text-muted);line-height:1.4}
.measure-chip{
  display:inline-block;background:var(--teal-bg);color:var(--teal);
  border:1px solid #a5f3fc;border-radius:99px;padding:.05rem .55rem;
  font-size:.72rem;font-weight:700;margin:.15rem .2rem 0 0;
}
.measure-chip.none{background:var(--border-light);color:var(--text-muted);border-color:var(--border)}
.glance-cta{
  display:block;margin:.9rem 1.2rem 1.1rem;padding:.7rem 1rem;
  background:var(--amber);color:#fff;text-align:center;border-radius:var(--radius);
  font-family:var(--font-display);font-weight:600;font-size:.9rem;
}
.glance-cta:hover{background:#1d4ed8;color:#fff;text-decoration:none}
@media (max-width:900px){
  .study-layout{grid-template-columns:1fr}
  .glance{position:static;order:-1}
}

/* ===== STUDY PAGE: MEASURES SECTION ===== */
.section-header-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.count-pill{background:var(--amber-bg);color:var(--amber);font-weight:700;font-size:.75rem;border-radius:99px;padding:.1rem .6rem;vertical-align:middle}
.filter-row{display:flex;gap:.6rem;margin:.8rem 0;flex-wrap:wrap}
.filter-row select,.filter-row input{
  padding:.4rem .6rem;border:1px solid var(--border);border-radius:var(--radius);
  font-family:var(--font-body);font-size:.85rem;background:#fff;color:var(--text);
}
.filter-row input{flex:1;min-width:180px}
.show-more{
  display:inline-block;padding:.4rem 1.2rem;background:var(--border-light);
  border:1px solid var(--border);border-radius:99px;
  font-family:var(--font-display);font-weight:600;font-size:.8rem;color:var(--text);cursor:pointer;
}
.show-more:hover{background:var(--amber-bg);border-color:var(--amber);color:var(--amber)}
#measures-more{display:block;margin:.8rem auto 0}
.cat-tag{display:inline-block;background:var(--border-light);color:var(--text-muted);border-radius:4px;padding:.02rem .45rem;font-size:.72rem;font-weight:600;white-space:nowrap}
.glance-compare{
  display:block;margin:0 1.2rem 1.1rem;padding:.45rem 1rem;text-align:center;
  font-family:var(--font-display);font-weight:600;font-size:.82rem;color:var(--amber);
  border:1px solid var(--border);border-radius:var(--radius);
}
.glance-compare:hover{background:var(--amber-bg);border-color:var(--amber);color:var(--amber);text-decoration:none}

/* ===== COMPARE PAGE ===== */
.compare-bar{display:flex;gap:.6rem;align-items:center;margin-bottom:1.2rem;flex-wrap:wrap}
.compare-bar select{
  padding:.5rem .6rem;border:1px solid var(--border);border-radius:var(--radius);
  font-family:var(--font-body);font-size:.88rem;background:#fff;color:var(--text);max-width:280px;
}
.compare-vs{color:var(--text-muted);font-size:.85rem;font-weight:600}
.compare-scroll{overflow-x:auto}
.compare-table{
  width:100%;border-collapse:collapse;font-size:.88rem;background:var(--card);
  box-shadow:var(--shadow);
}
.compare-table th,.compare-table td{padding:.65rem .9rem;border:1px solid var(--border);text-align:left;vertical-align:top}
.compare-table thead th{background:var(--navy);color:#fff;font-family:var(--font-display);font-size:.9rem}
.compare-table thead th a{color:#fff}
.compare-table thead th a:hover{color:var(--amber-light)}
.compare-table thead th small{display:block;color:var(--amber-light);font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.compare-rowlabel{background:var(--border-light);font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);width:180px;min-width:150px}
.compare-note{font-size:.76rem;color:var(--text-muted);margin-top:.15rem}

/* ===== 404 PAGE ===== */
.err-hero{
  background:var(--navy);color:#fff;border-radius:var(--radius-lg);
  padding:3.5rem 2rem;text-align:center;position:relative;overflow:hidden;margin:2rem 0;
}
.err-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 0%,rgba(37,99,235,.18) 0%,transparent 58%),
             radial-gradient(ellipse at 80% 100%,rgba(8,145,178,.18) 0%,transparent 52%);
  pointer-events:none;
}
.err-code{font-family:var(--font-display);font-weight:800;font-size:4.5rem;color:var(--amber-light);line-height:1;position:relative}
.err-msg{font-size:1.05rem;margin:.6rem auto 1.6rem;color:rgba(255,255,255,.8);position:relative;max-width:480px}
.err-actions{display:flex;gap:.8rem;justify-content:center;position:relative;flex-wrap:wrap}
.btn-err{display:inline-block;padding:.6rem 1.4rem;border-radius:var(--radius);font-family:var(--font-display);font-weight:600;font-size:.9rem}
.btn-err-amber{background:var(--amber);color:#fff}
.btn-err-amber:hover{background:#1d4ed8;color:#fff;text-decoration:none}
.btn-err-ghost{background:rgba(255,255,255,.12);color:#fff}
.btn-err-ghost:hover{background:rgba(255,255,255,.22);color:#fff;text-decoration:none}

/* ===== ACCESSIBILITY ===== */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;
}
.site-header a:focus-visible,.site-header button:focus-visible{outline-color:var(--amber-light)}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:300;
  background:var(--amber);color:#fff;padding:.6rem 1.2rem;
  font-family:var(--font-display);font-weight:600;border-radius:0 0 var(--radius) 0;
}
.skip-link:focus{left:0;color:#fff}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ===== VISUALISATIONS: YEARS TIMELINE ===== */
.tl-chart{position:relative;padding-top:1.6rem}
.tl-axis{position:absolute;top:0;left:150px;right:90px;height:100%;pointer-events:none}
.tl-tick{position:absolute;top:0;bottom:0;border-left:1px dashed var(--border)}
.tl-tick span{position:absolute;top:-2px;left:-16px;font-size:.66rem;color:var(--text-muted)}
.tl-row{display:flex;align-items:center;gap:.6rem;padding:.18rem 0;text-decoration:none}
.tl-row:hover .tl-label{color:var(--amber)}
.tl-label{flex:0 0 142px;font-size:.72rem;font-weight:600;color:var(--navy);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-track{flex:1;position:relative;height:14px}
.tl-bar{position:absolute;top:3px;height:8px;background:var(--teal);border-radius:4px;min-width:8px}
.tl-bar.tl-ongoing{background:linear-gradient(90deg,var(--teal),#a5f3fc)}
.tl-dot{position:absolute;top:4px;width:6px;height:6px;margin-left:-3px;background:var(--navy);border-radius:50%}
.tl-range{flex:0 0 84px;font-size:.68rem;color:var(--text-muted);white-space:nowrap}
.score-legend{display:flex;flex-wrap:wrap;gap:.5rem .8rem;margin:.8rem 0;font-size:.78rem;color:var(--text-muted)}
.score-legend-item{display:flex;align-items:center;gap:.3rem}
@media (max-width:700px){.tl-label{flex-basis:80px}.tl-range{display:none}.tl-axis{left:88px;right:8px}}