.inner-frame {
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.inner-frame--wide {
  max-width: 1100px;
}

.page-hero {
  margin-bottom: 2rem;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
}

.page-hero p {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.prose-block {
  display: grid;
  gap: 1rem;
  color: var(--ink-soft);
}

.prose-block h2,
.prose-block h3 {
  color: var(--ink);
  margin: 1.5rem 0 0.35rem;
}

.prose-block p,
.prose-block li {
  margin: 0;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--paper-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
}

.stat-card strong {
  display: block;
  font-size: 1.5rem;
  color: var(--ink);
}

.stat-card span {
  color: var(--ink-faint);
  font-size: 0.85rem;
}

.card-matrix {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.info-tile {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.15rem;
  background: var(--paper);
}

.info-tile h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.info-tile p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.form-stack {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.field-group {
  display: grid;
  gap: 0.35rem;
}

.field-group label {
  font-size: 0.875rem;
  font-weight: 600;
}

.field-group input,
.field-group select,
.field-group textarea {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.8rem;
}

.field-group textarea {
  min-height: 140px;
  resize: vertical;
}

.submit-btn {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.2rem;
  font-weight: 600;
  cursor: pointer;
  width: fit-content;
}

.submit-btn:hover {
  background: var(--accent-deep);
}

.blog-feed {
  display: grid;
  gap: 1.25rem;
}

.blog-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: var(--paper);
}

.blog-card h2 {
  margin: 0;
  font-size: 1.15rem;
}

.blog-card p {
  margin: 0.6rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.blog-card__meta {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tool-hero {
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
  color: #fff;
  padding: 3rem 1.25rem 5.5rem;
}

.tool-hero__inner {
  max-width: 900px;
  margin: 0 auto;
}

.tool-hero h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.tool-hero p {
  margin: 0.8rem 0 0;
  color: #d4d4d4;
}

@media (min-width: 760px) {
  .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .card-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

/* ——— Utility converters ——— */
.util-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.25rem 1.25rem 4rem;
}

.util-hero {
  margin-bottom: 1.35rem;
}

.util-hero h1 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.util-hero p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
}

.util-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--paper-muted) 45%, var(--paper));
  padding: 1.15rem 1.2rem 1.25rem;
  display: grid;
  gap: 0.95rem;
}

.util-row {
  display: grid;
  gap: 0.75rem;
}

.util-row--2 {
  grid-template-columns: 1fr;
}

.util-row--swap {
  grid-template-columns: 1fr;
  align-items: stretch;
}

.util-field {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.util-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.util-field input,
.util-field select,
.util-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

.util-field textarea {
  min-height: 8rem;
  resize: vertical;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.45;
}

.util-field input:focus,
.util-field select:focus,
.util-field textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 1px;
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.util-swap {
  appearance: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  display: grid;
  place-items: center;
  cursor: pointer;
  margin: 0 auto;
}

.util-swap:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.util-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.util-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 10px;
  padding: 0.55rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.util-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}

.util-btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.util-btn--primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

.util-hint,
.util-error {
  margin: 0;
  font-size: 0.82rem;
}

.util-hint {
  color: var(--ink-faint);
}

.util-error {
  color: var(--accent);
  min-height: 1.2em;
}

.util-swatch {
  width: 100%;
  height: 4.5rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.util-color-grid {
  display: grid;
  gap: 0.75rem;
}

.util-copy-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.45rem;
  align-items: center;
}

.util-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.util-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  cursor: pointer;
}

.util-chip.is-active,
.util-chip:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
}

/* ——— Units tool (hero + intake) ——— */
.unit-tile-select {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  z-index: 2;
}

body[data-util="units"] .format-pick {
  position: relative;
}

.unit-intake {
  max-width: 40rem;
  text-align: left;
}

.unit-intake .intake-panel__icon {
  margin-left: auto;
  margin-right: auto;
}

.unit-intake h2 {
  text-align: center;
}

.unit-intake__controls {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.unit-intake__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: center;
  margin-top: 0.25rem;
}

.unit-primary {
  margin-top: 1.1rem;
  padding: 0.95rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-muted) 55%, var(--paper));
  text-align: center;
}

.unit-primary__eq {
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.unit-primary__out {
  margin-top: 0.35rem;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.unit-primary__out small {
  font-size: 0.55em;
  color: var(--accent);
  font-weight: 700;
}

.unit-board {
  margin: 1.25rem auto 0;
  max-width: 48rem;
  width: 100%;
}

.unit-board__head {
  margin-bottom: 0.75rem;
}

.unit-board__head h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

.unit-board__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.55rem;
}

.unit-chip {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.7rem 0.75rem;
  text-align: left;
  display: grid;
  gap: 0.2rem;
}

.unit-chip strong {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.unit-chip span {
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.unit-chip.is-active {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 12%, transparent);
}

.unit-chip.is-source {
  background: color-mix(in srgb, var(--accent-glow) 40%, var(--paper));
}

@media (min-width: 640px) {
  .unit-intake__controls {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }

  .unit-intake__actions {
    grid-column: 1 / -1;
  }

  .util-row--2 {
    grid-template-columns: 1fr 1fr;
  }

  .util-row--swap {
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
  }

  .util-swap {
    margin: 0 0 0.1rem;
  }

  .util-color-grid {
    grid-template-columns: 1fr 1.4fr;
    align-items: start;
  }
}