.coverage-hero {
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a { color: var(--green-dark); }

.coverage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 460px);
  gap: 52px;
  align-items: start;
}

.coverage-copy { padding-top: 18px; }

.coverage-copy h1 { max-width: 620px; }

.quick-fact {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding: 10px 12px;
  border-left: 3px solid var(--green);
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 750;
}

.coverage-tool {
  border: 1px solid #cfd9d1;
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(23, 33, 27, .09);
}

.tool-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.tool-heading h2 {
  margin: 0;
  font-size: 22px;
}

.unit-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 166px;
  padding: 3px;
  border-radius: 6px;
  background: #edf1ee;
}

.unit-button {
  min-height: 34px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.unit-button[aria-pressed="true"] {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(23, 33, 27, .12);
}

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

.coverage-result {
  margin-top: 20px;
  border-radius: var(--radius);
  padding: 18px;
  background: #17211b;
  color: #fff;
}

.coverage-result-main {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.coverage-primary {
  margin-top: 4px;
  font-size: 34px;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
}

.coverage-secondary {
  color: #d4dfd7;
  font-size: 14px;
  line-height: 1.5;
  text-align: right;
}

.coverage-result-note {
  margin: 12px 0 0;
  color: #aebdb3;
  font-size: 12px;
  line-height: 1.5;
}

.coverage-error {
  margin: 12px 0 0;
  color: #a2382f;
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.coverage-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.coverage-table th,
.coverage-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #e7ece8;
  text-align: right;
}

.coverage-table th:first-child,
.coverage-table td:first-child { text-align: left; }

.coverage-table thead th {
  background: #eef3ef;
  color: #3f4d44;
  font-size: 12px;
  text-transform: uppercase;
}

.coverage-table tbody tr:last-child td { border-bottom: 0; }

.coverage-table tbody tr:hover { background: #f8faf8; }

.chart-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.chart-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 92px;
  gap: 14px;
  align-items: center;
  font-size: 13px;
}

.chart-depth { font-weight: 800; }

.chart-track {
  height: 14px;
  overflow: hidden;
  border-radius: 3px;
  background: #e6ece7;
}

.chart-bar {
  width: var(--bar-width);
  height: 100%;
  border-radius: 3px;
  background: var(--green);
}

.chart-value {
  color: var(--muted);
  text-align: right;
}

.formula-band {
  padding: 24px;
  border-left: 4px solid var(--blue-ink);
  background: var(--blue-pale);
}

.formula-band code {
  display: block;
  margin-top: 10px;
  color: var(--blue-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 800;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.content-grid p,
.content-grid li {
  color: var(--muted);
  line-height: 1.65;
}

.content-grid ul {
  margin: 0;
  padding-left: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 28px;
}

.related-link {
  display: block;
  border-top: 3px solid var(--green);
  padding-top: 16px;
  color: var(--ink);
  text-decoration: none;
}

.related-link span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.55;
}

.related-link:hover strong { color: var(--green-dark); }

@media (max-width: 820px) {
  .coverage-layout { grid-template-columns: 1fr; }
  .coverage-copy { padding-top: 0; }
  .coverage-tool { max-width: 620px; }
}

@media (max-width: 560px) {
  .coverage-hero { padding: 38px 0 48px; }
  .coverage-layout { gap: 32px; }
  .coverage-tool { padding: 18px 14px; }
  .tool-heading { align-items: flex-start; flex-direction: column; }
  .unit-toggle { width: 100%; }
  .coverage-fields,
  .content-grid,
  .related-grid { grid-template-columns: 1fr; }
  .coverage-result-main { align-items: flex-start; flex-direction: column; }
  .coverage-secondary { text-align: left; }
  .coverage-primary { font-size: 30px; }
  .chart-row { grid-template-columns: 50px minmax(0, 1fr) 78px; gap: 10px; }
}