:root {
  --attention-line: rgba(155, 175, 255, 0.18);
  --attention-panel: rgba(8, 12, 28, 0.72);
  --attention-panel-strong: rgba(8, 12, 30, 0.9);
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.attention-shell {
  position: relative;
}

.attention-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 76% 16%, rgba(123,106,202,.22), transparent 30%),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
  z-index: -1;
}

.attention-hero {
  max-width: 980px;
}

.attention-hero h1 {
  max-width: 920px;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.status-strip span,
.attention-footer a,
.attention-footer span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--attention-line);
  border-radius: 999px;
  background: rgba(8,12,28,.58);
  color: rgba(247,247,251,.88);
  font-size: 13px;
  font-weight: 800;
}

.attention-grid,
.method-grid {
  margin-top: 28px;
}

.section-heading {
  margin-bottom: 16px;
}

.section-heading h2,
.method-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  line-height: .95;
  letter-spacing: -.055em;
}

.metric-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card,
.observation-card,
.empty-state,
.method-card {
  border: 1px solid var(--attention-line);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
    var(--attention-panel);
  box-shadow: 0 18px 58px rgba(0,0,0,.28);
  backdrop-filter: blur(18px);
}

.metric-card {
  min-height: 220px;
  padding: 20px;
}

.metric-value {
  margin: 4px 0 12px;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  line-height: .88;
  letter-spacing: -.06em;
  font-variant-numeric: tabular-nums;
}

.metric-card h3,
.observation-card h3,
.empty-state h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.metric-card p,
.observation-card p,
.empty-state p,
.method-card p,
.method-card li {
  color: var(--muted);
  line-height: 1.55;
}

.metric-meta,
.observation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.metric-meta span,
.observation-meta span,
.classification {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  font-size: 12px;
  font-weight: 850;
}

.observation-list {
  display: grid;
  gap: 14px;
}

.observation-card,
.empty-state,
.method-card {
  padding: clamp(18px, 2.5vw, 26px);
}

.classification {
  border-color: rgba(255,87,51,.42);
  color: #ffd7ce;
  background: rgba(255,87,51,.12);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.source-link {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255,87,51,.75);
  text-underline-offset: 4px;
}

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

.method-card-wide {
  grid-column: 1 / -1;
}

.comparison {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.comparison div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.comparison span {
  display: block;
  width: var(--w);
  min-width: 18%;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--bg-4));
}

.attention-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--attention-line);
}

.attention-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.data-error {
  border-color: rgba(255,87,51,.5);
}

@media (max-width: 980px) {
  .metric-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  .metric-list,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 0;
  }

  .attention-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .metric-card,
  .observation-card,
  .method-card {
    transition: border-color .18s ease, transform .18s ease;
  }

  .metric-card:hover,
  .observation-card:hover,
  .method-card:hover {
    border-color: rgba(255,87,51,.32);
    transform: translateY(-2px);
  }
}