.builder-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 40px 72px;
}
.builder-mobile-switch {
  display: none;
}
@media (max-width: 700px) {
  .builder-mobile-switch {
    display: flex;
    gap: 24px;
    position: sticky;
    top: 0;
    z-index: 5;
    background: #f4f7f9;
    padding: 14px 0;
    border-bottom: 1px solid #bbc6c9;
    margin-bottom: 20px;
    font-size: 0.85rem;
  }
}
.builder-heading {
  display: flex;
  gap: 40px;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 24px;
}
.builder-heading h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
  margin: 8px 0 16px;
}
.builder-heading p {
  max-width: 680px;
  line-height: 1.65;
  margin-bottom: 0;
}
.builder-level {
  min-width: 190px;
  padding-top: 10px;
}
.builder-level span {
  display: block;
  font-size: 0.78rem;
  line-height: 1.5;
  color: #53616b;
  margin-top: 8px;
  max-width: 210px;
}
.builder-main label {
  display: block;
  font-size: 0.87rem;
  font-weight: 650;
  margin: 20px 0 8px;
}
.builder-main input:not([type="checkbox"]),
.builder-main select {
  box-sizing: border-box;
  width: 100%;
  min-height: 44px;
  border: 1px solid #9da9ad;
  background: white;
  border-radius: 4px;
  padding: 10px 12px;
  color: #1c3039;
  font: inherit;
}
.builder-main input:focus,
.builder-main select:focus,
.builder-main textarea:focus {
  outline: 2px solid #176f78;
  outline-offset: 2px;
}
.builder-main button {
  min-height: 42px;
  border: 1px solid #a6b4b8;
  border-radius: 4px;
  background: white;
  color: #1c3039;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}
.builder-main button:hover {
  background: #edf3f3;
}
.builder-main button:disabled {
  opacity: 0.55;
  cursor: default;
}
.builder-main [hidden] {
  display: none !important;
}
.builder-flow {
  margin: 30px 0 32px;
  border-top: 1px solid #bbc6c9;
  border-bottom: 1px solid #bbc6c9;
}
.builder-flow ol {
  list-style: none;
  display: flex;
  padding: 0;
  margin: 0;
}
.builder-flow li {
  flex: 1;
  position: relative;
}
.builder-flow li + li::before {
  content: "›";
  position: absolute;
  left: -5px;
  top: 20px;
  color: #64747b;
}
.builder-flow button {
  width: 100%;
  border: 0;
  border-radius: 0;
  min-height: 64px;
  text-align: left;
  font-size: 0.88rem;
  padding-left: 20px;
}
.builder-flow span {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  margin-right: 8px;
  color: #5c6c74;
}
.builder-flow [aria-current="step"] {
  background: #e2eeee;
  box-shadow: inset 0 -3px #176f78;
  font-weight: 700;
}
.builder-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.03fr);
  gap: 44px;
  align-items: start;
}
#builder-form h2 {
  font-size: 1.45rem;
  letter-spacing: -0.025em;
  margin-top: 4px;
}
#builder-form h3 {
  font-size: 1rem;
  margin: 24px 0 10px;
}
#builder-form p,
#builder-form li {
  line-height: 1.65;
}
#builder-form ol {
  padding-left: 22px;
}
#builder-form li + li {
  margin-top: 9px;
}
.builder-main .field-help {
  font-size: 0.83rem;
  color: #52636b;
  line-height: 1.6;
  margin: 8px 0 18px;
}
.path-instructions {
  padding: 4px 20px 18px;
  border-left: 3px solid #88a8a9;
  background: #f0f5f4;
  margin: 22px 0;
}
.path-instructions a {
  font-size: 0.8rem;
}
.builder-main details {
  border-top: 1px solid #c2cbcd;
  padding: 18px 0;
  margin-top: 22px;
  font-size: 0.87rem;
}
.builder-main summary {
  cursor: pointer;
  font-weight: 650;
}
.builder-main .check-label {
  display: flex;
  align-items: start;
  gap: 10px;
  line-height: 1.5;
  font-weight: 500;
}
.check-label input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: #176f78;
}
.builder-code {
  position: sticky;
  top: 20px;
  border: 1px solid #b6c2c7;
  background: #fff;
  box-shadow: 0 8px 24px #122c3310;
  min-width: 0;
}
.code-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px 0;
  align-items: center;
}
.code-heading h2 {
  font-size: 1.1rem;
  margin: 6px 0 0;
}
.code-heading .eyebrow {
  font-size: 0.65rem;
  margin: 0;
}
#code-state {
  font-size: 0.79rem;
  color: #4e626c;
  padding: 0 22px;
  line-height: 1.5;
}
#builder-code {
  display: block;
  box-sizing: border-box;
  resize: vertical;
  width: 100%;
  height: 460px;
  min-height: 200px;
  border: 0;
  border-top: 1px solid #d3dcdf;
  border-bottom: 1px solid #d3dcdf;
  border-radius: 0;
  background: #f7f9fa;
  padding: 20px 22px;
  color: #223e4c;
  font:
    12px/1.8 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
  tab-size: 4;
}
#builder-code:not([readonly]) {
  background: #fffdf4;
}
.code-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 22px 0;
}
#download-do,
#next-stage,
#add-operation {
  background: #185d66;
  color: white;
  border-color: #185d66;
}
.code-note,
#builder-action {
  padding: 0 22px;
  font-size: 0.78rem;
  line-height: 1.5;
  color: #52636b;
}
.code-note {
  padding-bottom: 12px;
}
.builder-paging {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 32px;
  border-top: 1px solid #c2cbcd;
  padding-top: 20px;
}
#stage-position {
  font-size: 0.8rem;
  color: #52636b;
}
.builder-main [aria-invalid="true"] {
  border-color: #ae3d2a !important;
}
#plan-errors:not(:empty) {
  border-left: 3px solid #ae3d2a;
  padding: 4px 16px;
  margin-top: 20px;
  background: #fff4ef;
  font-size: 0.85rem;
}
#plan-errors button {
  border: 0;
  background: transparent;
  text-align: left;
  padding: 5px 0;
  color: #8e3021;
  font-size: 0.83rem;
  min-height: 32px;
}
#plan-errors ul {
  padding: 0;
  list-style: none;
}
.builder-storage {
  font-size: 0.8rem;
  color: #52636b;
}
.builder-related {
  border-top: 1px solid #c2cbcd;
  padding-top: 18px;
  font-size: 0.86rem;
}
.step-add {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  align-items: end;
}
.step-add label {
  grid-column: 1/-1;
  margin-bottom: 0;
}
.preparation-step {
  border-top: 1px solid #a6b8bc;
  margin-top: 24px;
  padding-top: 18px;
}
.preparation-step header {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.preparation-step h3 {
  margin: 0 !important;
}
.step-controls {
  display: flex;
  gap: 5px;
}
.step-controls button {
  font-size: 0.75rem;
  padding: 6px 9px;
}
.step-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}
#plan-notes {
  border-top: 1px solid #c2cbcd;
  margin-top: 24px;
  padding-top: 6px;
  font-size: 0.85rem;
}
@media (max-width: 950px) {
  .builder-main {
    padding: 32px 22px 60px;
  }
  .builder-layout {
    gap: 26px;
  }
  .builder-flow button {
    padding-left: 12px;
    font-size: 0.79rem;
  }
  .builder-flow span {
    display: block;
    margin-bottom: 5px;
  }
  .builder-flow li + li::before {
    top: 27px;
  }
  .builder-heading {
    gap: 20px;
  }
}
@media (max-width: 700px) {
  .builder-main {
    padding: 26px 18px 50px;
  }
  .builder-heading {
    display: block;
  }
  .builder-level {
    max-width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
    margin-top: 16px;
  }
  .builder-level label {
    margin: 10px 0;
  }
  .builder-level span {
    grid-column: 1/-1;
    max-width: none;
  }
  .builder-flow {
    margin: 22px 0;
  }
  .builder-flow ol {
    overflow: auto;
  }
  .builder-flow li {
    min-width: 96px;
  }
  .builder-layout {
    grid-template-columns: 1fr;
  }
  .builder-code {
    position: static;
    margin-top: 8px;
  }
  .builder-heading h1 {
    font-size: 2.25rem;
  }
  #builder-code {
    height: 340px;
  }
  .builder-paging {
    margin-top: 24px;
  }
  .step-fields {
    grid-template-columns: 1fr;
  }
  .preparation-step header {
    flex-wrap: wrap;
  }
}