.overlay-page {
  padding: 14px 0 48px;
}

.overlay-tool {
  display: grid;
  grid-template-columns: minmax(300px, 370px) minmax(0, 1fr);
  gap: 18px;
  margin-top: 12px;
}

.overlay-controls,
.overlay-preview {
  border: 2px solid var(--line);
  background: rgba(255, 250, 242, 0.96);
  box-shadow: var(--shadow);
}

.overlay-controls {
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 11px;
}

.overlay-controls h1 {
  font-size: clamp(2.1rem, 4vw, 3.25rem);
}

.overlay-lede {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.overlay-actions,
.overlay-presets,
.overlay-ratios,
.overlay-guide-types,
.overlay-line-types {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.overlay-presets,
.overlay-ratios,
.overlay-guide-types {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.overlay-ratios {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.overlay-presets button,
.overlay-ratios button {
  min-height: 34px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font-weight: 800;
}

.overlay-guide-types button,
.overlay-line-types button {
  min-height: 34px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font-weight: 800;
}

.overlay-ratios button[aria-pressed="true"],
.overlay-guide-types button[aria-pressed="true"],
.overlay-line-types button[aria-pressed="true"] {
  background: var(--yellow);
}

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

#overlayGridSize[aria-disabled="true"] {
  opacity: 0.5;
}

.overlay-print-guide {
  margin: 0;
  color: var(--muted);
  font: 700 0.72rem/1.4 "Courier New", monospace;
}

.overlay-controls fieldset {
  min-width: 0;
  margin: 0;
  padding: 10px;
  display: grid;
  gap: 9px;
  border: 1px solid rgba(21, 21, 21, 0.5);
}

.overlay-controls legend {
  padding: 0 6px;
  color: var(--green);
  font: 900 0.72rem/1.2 "Courier New", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overlay-slider {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) 40px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.overlay-slider input {
  width: 100%;
  accent-color: var(--accent);
}

.overlay-slider output {
  color: var(--ink);
  text-align: right;
  font-family: "Courier New", monospace;
}

.color-line,
.check-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.color-line input[type="color"] {
  width: 52px;
  height: 32px;
  padding: 0;
  border: 0;
  background: transparent;
}

.check-line {
  justify-content: flex-start;
}

.check-line input {
  accent-color: var(--accent);
}

.overlay-preview {
  min-height: 660px;
  padding: 12px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
}

.overlay-preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(21, 21, 21, 0.18);
}

.overlay-preview-head > div:first-child {
  display: grid;
  gap: 3px;
}

.overlay-preview-head span:not(.chip) {
  color: var(--muted);
  font-size: 0.82rem;
}

.overlay-canvas-wrap {
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: repeating-conic-gradient(#e5ebe7 0 25%, #edf2ef 0 50%) 50% / 22px 22px;
}

#overlayCanvas {
  display: block;
  max-width: calc(100% - 24px);
  max-height: 620px;
  width: auto;
  height: auto;
  background: #fff;
  box-shadow: 0 12px 28px rgba(21, 21, 21, 0.14);
}

.overlay-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.overlay-content .content-panel,
.overlay-faq {
  padding: clamp(18px, 3vw, 32px);
}

.overlay-content h2,
.overlay-faq h2 {
  margin-top: 8px;
}

.overlay-content p:not(.kicker),
.overlay-faq p {
  color: var(--muted);
  line-height: 1.65;
}

.overlay-faq {
  margin-top: 18px;
}

.related-tools {
  margin-top: 18px;
  padding: 24px;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 20px;
  border: 2px solid var(--line);
  background: var(--yellow);
  box-shadow: var(--shadow);
}

.related-tools h2 {
  margin-top: 7px;
}

.related-links {
  display: grid;
  gap: 7px;
}

.related-links a {
  padding: 11px 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  background: #fff;
  text-decoration: none;
  font-weight: 800;
}

.related-links span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 400;
}

@media (max-width: 920px) {
  .overlay-tool,
  .overlay-content,
  .related-tools {
    grid-template-columns: 1fr;
  }

  .overlay-preview {
    min-height: 520px;
  }
}

@media (max-width: 560px) {
  .overlay-ratios {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .overlay-preview-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .related-links a {
    flex-direction: column;
  }
}