.validation-page{
  display:grid;
  gap:24px;
}

.validation-page .validation-intro,
.validation-page .panel,
.validation-page .submodel-section{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035));
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
}

.validation-page .validation-intro{
  padding: 28px 30px;
  background:
    radial-gradient(900px 420px at 0% 0%, rgba(1,217,254,.18), transparent 60%),
    linear-gradient(135deg, rgba(8,16,32,.96), rgba(15,55,76,.92));
}

.validation-page .validation-intro h1{
  margin: 0 0 10px;
}

.validation-page .validation-intro p{
  margin: 0;
  color: rgba(240,246,255,.82);
  line-height: 1.6;
  max-width: 88ch;
}

.validation-page .chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}

.validation-page .chip{
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  color: rgba(240,246,255,.88);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: .95rem;
}

.validation-page .panel,
.validation-page .submodel-section{
  padding: 22px 24px;
}

.validation-page .panel p,
.validation-page .submodel-section p{
  color: var(--muted);
}

.validation-page .quick-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top: 18px;
}

.validation-page .quick-links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 999px;
  color: white;
  font-weight: 700;
  background: rgba(1,217,254,.14);
  border: 1px solid rgba(1,217,254,.30);
}

.validation-page .quick-links a:hover{
  background: rgba(1,217,254,.22);
  border-color: rgba(1,217,254,.46);
}

.validation-page .data-table{
  width:100%;
  border-collapse: collapse;
  font-size: .93rem;
}

.validation-page .data-table th,
.validation-page .data-table td{
  border-bottom: 1px solid rgba(255,255,255,.09);
  padding: 10px 12px;
  text-align:left;
  vertical-align: top;
}

.validation-page .data-table th{
  background: rgba(255,255,255,.06);
  color: rgba(240,246,255,.88);
}

.validation-page .data-table td{
  color: rgba(240,246,255,.82);
  word-break: break-word;
}

.validation-page .section-head{
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  align-items:start;
}

.validation-page .stat-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:14px;
}

.validation-page .stat-card,
.validation-page .table-card,
.validation-page .media-card{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
}

.validation-page .stat-card{
  padding:14px 16px;
}

.validation-page .stat-label{
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--faint);
}

.validation-page .stat-value{
  font-size: 1.35rem;
  font-weight: 800;
  margin-top: 5px;
  color: var(--accent);
}

.validation-page .stat-foot{
  font-size: .86rem;
  color: var(--muted);
  margin-top: 5px;
  line-height: 1.45;
}

.validation-page .media-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:18px;
  margin-top:22px;
}

.validation-page .media-card{
  overflow:hidden;
  margin:0;
}

.validation-page .media-card img{
  width:100%;
  display:block;
  background: rgba(255,255,255,.03);
}

.validation-page .media-card figcaption{
  padding: 12px 14px 14px;
  color: var(--muted);
  line-height: 1.5;
  font-size: .92rem;
}

.validation-page .table-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:18px;
  margin-top:20px;
}

.validation-page .table-card{
  padding:16px;
  overflow-x:auto;
}

.validation-page .zone-card{
  margin-top:18px;
}

.validation-page .best-guess-note{
  margin-top:18px;
  padding:16px 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,183,77,.14), rgba(255,183,77,.08));
  border: 1px solid rgba(255,183,77,.30);
  color: rgba(255,239,212,.92);
  line-height: 1.65;
}

.validation-page .best-guess-note strong{
  color: #ffe0a3;
}

.validation-page .footer-note{
  color: var(--faint);
  font-size: .95rem;
  line-height: 1.6;
}

.validation-page .dataframe{
  margin:0;
}

.validation-page .dataframe tbody tr:hover td{
  background: rgba(255,255,255,.03);
}

@media (max-width: 1100px){
  .validation-page .section-head,
  .validation-page .media-grid,
  .validation-page .table-grid{
    grid-template-columns: 1fr;
  }

  .validation-page .stat-grid{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px){
  .validation-page .validation-intro,
  .validation-page .panel,
  .validation-page .submodel-section{
    padding: 18px;
  }

  .validation-page .quick-links{
    flex-direction: column;
  }

  .validation-page .quick-links a{
    width:100%;
  }
}