:root {
  --brand: #0a9b81;
  --brand-dark: #088a72;
  --bg: #f9fafb;
  --ink: #10121b;
  --muted: #5f6f67;
  --card: #ffffff;
  --border: #e5e7eb;
  --danger: #dc2626;
  --warn: #d97706;
  --success: #059669;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.6;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* TOP NAV */
.topnav {
  background: #0f172a; padding: 0 24px;
  display: flex; align-items: center; gap: 0;
  flex-wrap: wrap; min-height: 52px;
}
.topnav .brand {
  color: #fff; font-weight: 800; font-size: 16px;
  margin-right: 24px; white-space: nowrap; padding: 14px 0;
  text-decoration: none;
}
.topnav .brand span { color: var(--brand); }
.topnav nav {
  display: flex; flex-wrap: wrap; gap: 0;
}
.topnav nav a {
  color: #94a3b8; font-size: 13px; font-weight: 500;
  padding: 16px 12px; text-decoration: none; white-space: nowrap;
  border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
}
.topnav nav a:hover, .topnav nav a.active {
  color: #fff; border-bottom-color: var(--brand);
}

/* BOUNDARY BANNER */
.boundary {
  background: #ecfdf5; border-bottom: 1px solid #a7f3d0;
  padding: 8px 24px; font-size: 12px; color: #065f46;
  text-align: center; font-weight: 600; letter-spacing: .3px;
}

/* PAGE HERO */
.page-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 60%, #064e3b 100%);
  padding: 48px 24px 40px; text-align: center;
}
.page-hero .eyebrow {
  font-size: 11px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--brand); font-weight: 700; margin-bottom: 10px;
}
.page-hero h1 { color: #fff; font-size: 30px; font-weight: 800; margin-bottom: 10px; }
.page-hero p { color: #cbd5e1; max-width: 620px; margin: 0 auto; font-size: 15px; }

/* LAYOUT */
.wrap { max-width: 1100px; margin: 0 auto; padding: 36px 24px; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 36px 24px; }
.grid-2 { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
.grid-3 { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* CARDS */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px; transition: box-shadow .15s;
}
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.07); }
.card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--ink); }
.card p { color: var(--muted); font-size: 14px; line-height: 1.6; }
.card .tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 9px; border-radius: 999px; margin-bottom: 10px;
  text-transform: uppercase; letter-spacing: .5px;
}
.tag-teal { background: #ecfdf5; color: #065f46; }
.tag-blue { background: #eff6ff; color: #1e40af; }
.tag-amber { background: #fffbeb; color: #92400e; }
.tag-red { background: #fef2f2; color: #991b1b; }
.tag-purple { background: #f5f3ff; color: #6b21a8; }
.tag-gray { background: #f3f4f6; color: #374151; }

/* STAT CARDS */
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; text-align: center;
}
.stat-card .num { font-size: 34px; font-weight: 800; color: var(--brand); line-height: 1; }
.stat-card .label { font-size: 12px; color: var(--muted); margin-top: 6px; line-height: 1.4; }
.stat-card .source { font-size: 11px; color: #9ca3af; margin-top: 4px; }

/* TABLES */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead tr { background: #f8fafc; }
th { padding: 10px 14px; text-align: left; font-size: 12px; font-weight: 700;
     text-transform: uppercase; letter-spacing: .5px; color: var(--muted);
     border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--ink); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f9fafb; }

/* SEARCH */
.search-bar {
  display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap;
}
.search-bar input {
  flex: 1; min-width: 200px; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; color: var(--ink);
  background: #fff;
}
.search-bar input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(10,155,129,.1); }
.search-bar select {
  padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; color: var(--ink); background: #fff; cursor: pointer;
}
.search-count { font-size: 13px; color: var(--muted); margin-bottom: 16px; }

/* BUTTONS */
.btn {
  display: inline-block; padding: 10px 22px; border-radius: 8px; border: none;
  font-size: 14px; font-weight: 700; cursor: pointer; text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,.12); text-decoration: none; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-outline { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }

/* SECTION HEADERS */
.section-header { display: flex; align-items: baseline; justify-content: space-between;
                  margin-bottom: 18px; flex-wrap: wrap; gap: 8px; }
.section-header h2 { font-size: 20px; font-weight: 800; }
.section-header a { font-size: 13px; }

/* EVIDENCE BADGE */
.evidence-level {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; padding: 3px 9px;
  border-radius: 999px; text-transform: uppercase; letter-spacing: .5px;
}
.ev-high { background: #ecfdf5; color: #065f46; }
.ev-moderate { background: #fffbeb; color: #92400e; }
.ev-emerging { background: #eff6ff; color: #1e40af; }

/* PILL / BADGE */
.pill {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px;
  border-radius: 999px; background: #ecfdf5; color: #065f46;
  text-transform: uppercase; letter-spacing: .5px;
}

/* EMPTY STATE */
.empty-state { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty-state p { margin-top: 8px; font-size: 14px; }

/* FOOTER */
footer {
  background: #0f172a; color: #64748b; text-align: center;
  padding: 24px; font-size: 13px; margin-top: 48px;
}
footer a { color: #94a3b8; }
footer .boundary-footer {
  margin-top: 8px; font-size: 12px; color: #475569;
}

/* HOME FEATURE CARDS */
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.feature-card .icon { font-size: 24px; }
.feature-card h3 { font-size: 15px; font-weight: 700; }
.feature-card p { font-size: 13px; color: var(--muted); flex: 1; }
.feature-card a { font-size: 13px; font-weight: 600; margin-top: 4px; }

/* DETAIL VIEW */
.detail-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.detail-body h2 { font-size: 20px; margin: 24px 0 10px; color: var(--ink); }
.detail-body p { color: var(--muted); margin-bottom: 12px; }
.detail-body ul { padding-left: 20px; color: var(--muted); margin-bottom: 12px; }
.detail-body li { margin-bottom: 6px; }

/* LOADING */
.loading { text-align: center; padding: 32px; color: var(--muted); font-size: 14px; }

@media (max-width: 600px) {
  .topnav { padding: 0 12px; }
  .page-hero { padding: 32px 16px 28px; }
  .page-hero h1 { font-size: 24px; }
  .wrap, .wrap-narrow { padding: 24px 16px; }
}