.breaker-tool-page {
  max-width: 1280px;
  padding: 28px 18px 44px;
}

/* Page header: match site-wide header styling (clean, aligned) */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  min-height: 44px;
}

/* Ensure header logo matches other pages */
.header-logo {
  width: min(132px, 30vw);
  height: auto;
  min-height: 36px;
  margin: 0;
  display: block;
  object-fit: contain;
}

.section-wrapper {
  display: grid;
  gap: 16px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 4px;
}

.cell-with-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.span-toggle {
  font-size: 11px;
  color: #444;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.span-btn {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  font-weight: 700;
  cursor: pointer;
}
.span-btn:hover {
  background: #f3f4f6;
}

.spanned {
  background: #fafafa;
  color: #9ca3af;
  text-align: center;
  vertical-align: middle;
}

/* Slight inner padding for highlighted area cells to improve readability */
#breakerTable td[style] {
  transition: background-color 0.15s ease;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 6px 18px rgba(16,24,40,0.04);
}

.panel h3,
.card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 600;
}

.breaker-tool-page label {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  color: #111827;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.form-row input[type="number"],
.form-row input[type="text"],
.form-row input[type="file"],
.form-row select {
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 14px;
  line-height: 1.25;
  background: #fff;
}

.form-row.inline-radio {
  flex-direction: row;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
}

.form-row.inline-radio label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 14px;
  font-weight: 500;
}

.form-row.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

button.primary {
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
}

button.primary:hover {
  background: #1d4ed8;
}

.hint {
  margin: 0 0 8px;
  color: #6b7280;
  font-size: 13px;
  line-height: 1.35;
}

.hidden {
  display: none;
}

.divider {
  border-top: 1px solid #e5e7eb;
  margin: 14px 0;
}

.colors-card {
  margin-bottom: 0;
}

.color-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.color-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  padding: 5px 10px;
  background: #f9fafb;
}

.color-item .swatch {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.2);
}

.color-item input[type="color"] {
  border: none;
  background: transparent;
  width: 26px;
  height: 26px;
  padding: 0;
  cursor: pointer;
}

.empty-state {
  color: #6b7280;
  font-style: italic;
}

.table-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.table-wrap {
  overflow-x: auto;
  padding-top: 8px;
}

#breakerTable {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

#breakerTable th,
#breakerTable td {
  border: 1px solid #e5e7eb;
  padding: 10px 8px;
  text-align: left;
  vertical-align: middle;
}

#breakerTable th {
  background: #f9fafb;
  font-size: 13px;
}

#breakerTable td input[type="text"],
#breakerTable td input[type="number"] {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}

#breakerTable td textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
  font-size: inherit;
  resize: none;
  min-height: 36px;
}

#breakerTable td label {
  display: flex;
  justify-content: center;
}

.area-chip {
  display: inline-block;
  min-width: 10px;
  min-height: 10px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

@media (max-width: 900px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .breaker-tool-page { padding: 20px 14px 34px; }
  .card { padding: 16px; }
  .form-row input[type="number"], .form-row input[type="text"] { padding: 8px; }
}

/* Prominent section header card to anchor the tool intro */
.breaker-tool-page .section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid #e8e8ea;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(16,24,40,0.04);
  margin-bottom: 0;
}

.section-header-copy {
  flex: 1 1 320px;
}

.breaker-tool-page .section-header h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
  font-weight: 600;
}

.breaker-tool-page .section-header p {
  margin: 0;
  color: #6b7280;
  font-size: 14px;
  line-height: 1.4;
}

.breaker-example-showcase {
  position: relative;
  flex: 0 1 58%;
  width: min(100%, 760px);
  margin: 0;
  overflow: hidden;
  border: 1px solid #0a0a0a;
  background:
    radial-gradient(120% 100% at 80% 10%, rgba(96, 165, 250, 0.16) 0%, rgba(96, 165, 250, 0) 52%),
    linear-gradient(180deg, #fbfdff 0%, #f3f7fb 46%, #ffffff 100%);
  height: 220px;
  isolation: isolate;
}

.breaker-example-showcase::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.18) 58%, rgba(255, 255, 255, 0.7) 100%),
    radial-gradient(90% 70% at 50% 100%, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.12) 62%, rgba(255, 255, 255, 0) 100%);
  z-index: 0;
  pointer-events: none;
}

.breaker-example-showcase img {
  position: relative;
  z-index: 1;
  width: 68%;
  min-width: 60%;
  height: auto;
  max-width: none;
  display: block;
  margin: 2px auto 0;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 68%, rgba(0, 0, 0, 0.88) 80%, rgba(0, 0, 0, 0.38) 93%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 68%, rgba(0, 0, 0, 0.88) 80%, rgba(0, 0, 0, 0.38) 93%, transparent 100%);
}

.breaker-example-showcase::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 44%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(250, 252, 255, 0.12) 24%, rgba(255, 255, 255, 0.74) 72%, #ffffff 100%);
  z-index: 2;
  pointer-events: none;
}

@media (max-width: 720px) {
  .breaker-tool-page .section-header {
    flex-direction: column;
    align-items: stretch;
  }
  .breaker-example-showcase {
    width: 100%;
    height: 160px;
  }
}