.coupmag-page {
  --coupmag-ink: #15171a;
  --coupmag-muted: #5d6673;
  --coupmag-line: #d8dee7;
  --coupmag-soft: #f6f8fb;
  --coupmag-orange: #e77500;
  --coupmag-blue: #0f6f8f;
  --coupmag-green: #286f4b;
  --coupmag-gold: #8a6500;
  --coupmag-red: #a33a2f;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 0 2.5rem;
  color: var(--coupmag-ink);
}

.coupmag-page * {
  box-sizing: border-box;
}

.coupmag-shell,
.coupmag-section {
  border: 1px solid var(--coupmag-line);
  background: #fff;
  margin: 1.25rem 0;
  padding: 1.25rem;
}

.coupmag-shell {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  border-top: 4px solid var(--coupmag-orange);
}

.coupmag-kicker {
  margin: 0 0 0.35rem;
  color: var(--coupmag-blue);
  font-family: "Open Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.coupmag-shell h2,
.coupmag-section h2,
.coupmag-method-panel h3,
.coupmag-panel h3 {
  font-family: "Open Sans", sans-serif;
  letter-spacing: 0;
}

.coupmag-shell h2 {
  margin: 0 0 0.45rem;
  font-size: 1.75rem;
}

.coupmag-shell p,
.coupmag-section-heading p,
.coupmag-panel p {
  color: var(--coupmag-muted);
}

.coupmag-shell p {
  max-width: 740px;
  margin: 0;
}

.coupmag-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.coupmag-button,
.coupmag-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.55rem;
  border: 1px solid var(--coupmag-line);
  background: #fff;
  color: var(--coupmag-ink);
  border-radius: 6px;
  font-family: "Open Sans", sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.coupmag-button {
  padding: 0.5rem 0.8rem;
}

.coupmag-button:hover,
.coupmag-button:focus,
.coupmag-tab:hover,
.coupmag-tab:focus {
  border-color: var(--coupmag-orange);
  color: #8a4300;
  outline: none;
}

.coupmag-section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 1rem;
}

.coupmag-section h2 {
  margin: 0;
  font-size: 1.25rem;
}

.coupmag-section-heading p {
  margin: 0;
  max-width: 640px;
}

.coupmag-grid {
  display: grid;
  gap: 0.9rem;
}

.coupmag-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.coupmag-field,
.coupmag-metric,
.coupmag-method-panel,
.coupmag-panel {
  border: 1px solid var(--coupmag-line);
  background: var(--coupmag-soft);
  border-radius: 8px;
}

.coupmag-field,
.coupmag-metric {
  padding: 0.85rem;
}

.coupmag-field label,
.coupmag-field span:first-child,
.coupmag-metric span:first-child {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--coupmag-muted);
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
}

.coupmag-field input {
  width: 100%;
  min-height: 2.55rem;
  border: 1px solid #bbc5d2;
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  background: #fff;
  color: var(--coupmag-ink);
  font-family: "Open Sans", sans-serif;
  font-size: 1rem;
}

.coupmag-field input:focus {
  border-color: var(--coupmag-blue);
  box-shadow: 0 0 0 3px rgba(15, 111, 143, 0.14);
  outline: none;
}

.coupmag-value,
.coupmag-metric strong {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.coupmag-unit-label,
.coupmag-value[data-unit]::after {
  color: var(--coupmag-muted);
  font-family: "Open Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
}

.coupmag-unit-label {
  margin-left: 0.3rem;
}

.coupmag-value[data-unit]::after {
  content: " " attr(data-unit);
}

.coupmag-metric strong {
  display: block;
  min-height: 1.55rem;
  overflow-wrap: anywhere;
  color: var(--coupmag-ink);
  font-size: 1.02rem;
}

.coupmag-status {
  margin: 0.9rem 0 0;
  min-height: 1.5rem;
  color: var(--coupmag-red);
  font-family: "Open Sans", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

.coupmag-method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.coupmag-method-panel {
  padding: 1rem;
  background: #fff;
}

.coupmag-method-panel h3 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
}

.coupmag-method-panel.is-dual {
  border-top: 4px solid var(--coupmag-green);
}

.coupmag-method-panel.is-matrix {
  border-top: 4px solid var(--coupmag-orange);
}

.coupmag-method-panel.is-transformer {
  border-top: 4px solid var(--coupmag-gold);
}

.coupmag-method-panel .coupmag-field {
  margin-bottom: 0.75rem;
  background: #fff;
}

.coupmag-ratio {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.7rem;
  border-top: 1px solid var(--coupmag-line);
  margin-top: 0.35rem;
  padding-top: 0.75rem;
  color: var(--coupmag-muted);
  font-family: "Open Sans", sans-serif;
  font-weight: 800;
}

.coupmag-ratio strong {
  color: var(--coupmag-ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-weight: 700;
  overflow-wrap: anywhere;
  text-align: right;
}

.coupmag-tabbar {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.coupmag-tab {
  min-width: 12rem;
  padding: 0.55rem 0.75rem;
}

.coupmag-tab[aria-selected="true"] {
  border-color: var(--coupmag-blue);
  background: #e9f4f7;
  color: #064d64;
}

.coupmag-panel {
  padding: 1rem;
  background: #fff;
}

.coupmag-panel[hidden] {
  display: none;
}

.coupmag-panel-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.25fr);
  gap: 1rem;
  align-items: start;
}

.coupmag-model-media {
  display: grid;
  gap: 0.85rem;
}

.coupmag-equation-block,
.coupmag-figure {
  border: 1px solid var(--coupmag-line);
  background: var(--coupmag-soft);
  border-radius: 8px;
}

.coupmag-equation-block {
  min-height: 12rem;
  max-height: 22rem;
  padding: 0.85rem;
  overflow: auto;
}

.coupmag-figure {
  min-height: 14rem;
  margin: 0;
  padding: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.coupmag-figure img {
  display: block;
  width: 100%;
  max-height: 17rem;
  object-fit: contain;
}

.coupmag-output-grid {
  display: grid;
  gap: 1rem;
}

.coupmag-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--coupmag-line);
  border-radius: 8px;
}

.coupmag-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: #fff;
}

.coupmag-table caption {
  caption-side: top;
  padding: 0.75rem 0.85rem;
  color: var(--coupmag-ink);
  font-family: "Open Sans", sans-serif;
  font-weight: 800;
  text-align: left;
}

.coupmag-table th,
.coupmag-table td {
  border-top: 1px solid var(--coupmag-line);
  padding: 0.65rem 0.85rem;
  vertical-align: middle;
}

.coupmag-table th {
  width: 8rem;
  color: var(--coupmag-muted);
  font-family: "Open Sans", sans-serif;
  font-size: 0.86rem;
  text-align: left;
}

.coupmag-table td:nth-child(2) {
  min-width: 18rem;
}

.coupmag-value {
  min-width: 9rem;
  color: var(--coupmag-ink);
  text-align: right;
  white-space: nowrap;
}

.coupmag-equation {
  display: block;
  overflow-x: auto;
  padding-bottom: 0.15rem;
}

.coupmag-credit {
  margin: 1.4rem 0 0;
  color: var(--coupmag-muted);
  font-size: 0.9rem;
  text-align: center;
}

.coupmag-credit a {
  font-weight: 700;
}

@media (max-width: 1080px) {
  .coupmag-grid-3,
  .coupmag-method-grid,
  .coupmag-panel-grid {
    grid-template-columns: 1fr;
  }

  .coupmag-panel-grid {
    gap: 0.85rem;
  }
}

@media (max-width: 720px) {
  .coupmag-page {
    padding-bottom: 1.5rem;
  }

  .coupmag-shell,
  .coupmag-section {
    padding: 1rem;
  }

  .coupmag-shell,
  .coupmag-section-heading {
    display: block;
  }

  .coupmag-shell h2 {
    font-size: 1.45rem;
  }

  .coupmag-actions {
    justify-content: flex-start;
    margin-top: 1rem;
  }

  .coupmag-button,
  .coupmag-tab {
    width: 100%;
  }

  .coupmag-table {
    min-width: 500px;
  }
}