:root {
  --bg: #ffffff;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-strong: #ffffff;
  --text: #4d4d4d;
  --muted: #6d746b;
  --line: rgba(77, 77, 77, 0.14);
  --brand: #5d8752;
  --brand-deep: #4d4d4d;
  --accent: #83a47d;
  --good: #5d8752;
  --soft: rgb(226, 218, 205);
  --soft-gray: #c7c7c5;
  --shadow: 0 22px 60px rgba(77, 77, 77, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Verdana, Geneva, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(131, 164, 125, 0.18), transparent 32%),
    radial-gradient(circle at right, rgba(93, 135, 82, 0.12), transparent 24%),
    linear-gradient(135deg, #ffffff 0%, #f7f7f5 48%, #e9e0d9 100%);
  min-height: 100vh;
}

.page-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--soft);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
  gap: 24px;
}

.panel {
  padding: 28px;
}

.panel-heading h2,
.breakdown-header h3 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.panel-heading p,
.breakdown-header p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
  font-weight: 400;
}

.admin-link {
  color: var(--brand);
  font-weight: 800;
  text-decoration: none;
}

.admin-link:hover {
  text-decoration: underline;
}

.stair-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.stair-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: flex-start;
}

.is-hidden {
  display: none !important;
}

.stair-form span {
  font-size: 0.95rem;
  font-weight: 700;
}

.dynamic-section {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgb(204, 204, 204);
  background: rgb(204, 204, 204);
}

.section-title {
  margin-bottom: 14px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--brand);
}

.dimension-separator {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  padding-top: 14px;
  color: var(--brand);
  font-size: 0.92rem;
  font-weight: 800;
}

.dimension-separator-first {
  margin-top: 0;
  padding-top: 0;
}

.dimension-separator::before,
.dimension-separator::after {
  content: "";
  height: 1px;
  flex: 1;
  background: rgba(77, 77, 77, 0.22);
}

.dimension-separator span {
  white-space: nowrap;
}

.dynamic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.turn-detail-fields,
.riser-detail-fields {
  grid-column: 1 / -1;
}

.turn-detail-fields label,
.riser-detail-fields label {
  align-self: start;
}

.dynamic-grid label {
  display: grid;
  grid-template-rows: minmax(48px, auto) auto;
  align-content: start;
  gap: 10px;
}

.dynamic-grid label span {
  display: flex;
  align-items: flex-end;
  line-height: 1.2;
}

.full-width {
  grid-column: 1 / -1;
}

input,
select,
button {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  padding: 14px 16px;
  border-radius: 16px;
  font-family: Verdana, Geneva, sans-serif;
  font-size: 1rem;
  font-weight: 400;
}

button {
  cursor: pointer;
  background: var(--brand);
  color: #ffffff;
  border-color: rgba(93, 135, 82, 0.55);
  font-weight: 800;
}

.secondary-button {
  background: #ffffff;
  color: var(--brand);
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(93, 135, 82, 0.16);
  border-color: rgba(93, 135, 82, 0.45);
}

.admin-layout {
  display: block;
}

.admin-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.admin-heading .admin-link {
  flex: 0 0 auto;
}

.admin-form {
  margin-top: 24px;
}

.material-list {
  display: grid;
  gap: 18px;
}

.material-card {
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.accordion-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.accordion-toggle:hover {
  background: rgba(131, 164, 125, 0.1);
}

.accordion-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 999px;
  border: 1px solid rgba(93, 135, 82, 0.34);
  color: var(--brand);
  background: rgba(255, 255, 255, 0.86);
  font-size: 1.25rem;
  line-height: 1;
}

.accordion-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.accordion-copy strong,
.accordion-copy small {
  display: block;
}

.accordion-copy small {
  color: var(--muted);
  font-style: italic;
}

.accordion-panel {
  padding: 0 18px 18px;
}

.accordion-panel[hidden],
.admin-group:not([open]) > .admin-group-panel {
  display: none !important;
}

.material-card-heading,
.admin-actions {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}

.compact-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.compact-check input {
  width: 18px;
  height: 18px;
}

.material-fields,
.price-row {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.6fr;
  gap: 12px;
  margin-top: 16px;
  align-items: end;
}

.price-row {
  grid-template-columns: 0.5fr 0.8fr 1fr auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.admin-group {
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.admin-group:first-child {
  margin-top: 0;
}

.admin-group-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.admin-group-summary::-webkit-details-marker {
  display: none;
}

.admin-group-summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 999px;
  border: 1px solid rgba(93, 135, 82, 0.34);
  color: var(--brand);
  background: rgba(255, 255, 255, 0.86);
  font-size: 1.25rem;
  line-height: 1;
}

.admin-group[open] .admin-group-summary::before {
  content: "-";
}

.admin-group-summary:hover {
  background: rgba(131, 164, 125, 0.1);
}

.admin-group-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.admin-group-copy strong,
.admin-group-copy small {
  display: block;
}

.admin-group-copy small {
  color: var(--muted);
  font-style: italic;
}

.admin-group-panel {
  padding: 0 18px 18px;
}

.finish-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.finish-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

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

.milling-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.milling-grid span {
  font-size: 0.9rem;
  font-weight: 800;
}

.finish-row {
  display: block;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.finish-panel {
  display: grid;
  grid-template-columns: minmax(0, 220px) 1fr;
  gap: 16px;
  align-items: end;
}

.finish-copy,
.finish-colors {
  grid-column: 1 / -1;
}

.finish-row strong,
.finish-row small {
  display: block;
}

.finish-row small {
  margin-top: 5px;
  color: var(--muted);
  font-style: italic;
}

.finish-row label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.finish-row span {
  font-size: 0.9rem;
  font-weight: 800;
}

.color-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 38px;
}

.color-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(131, 164, 125, 0.14);
  color: var(--brand-deep);
  border: 1px solid rgba(93, 135, 82, 0.2);
  line-height: 1.2;
}

.chip-remove {
  width: 24px;
  height: 24px;
  min-width: 24px;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
}

.add-color-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 10px;
  margin-top: 12px;
}

.price-row label,
.material-fields label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.price-row span,
.material-fields span {
  font-size: 0.9rem;
  font-weight: 800;
}

.price-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-bottom: 14px;
}

.admin-actions {
  margin-top: 22px;
}

.save-status {
  min-height: 24px;
  margin-top: 16px;
  color: var(--brand);
  font-weight: 800;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.checkbox-item.compact-option {
  display: flex;
  flex-direction: row;
  grid-template-rows: none;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
}

.checkbox-item input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.checkbox-item.compact-option input {
  flex: 0 0 auto;
  margin-top: 0;
}

.checkbox-item.compact-option .checkbox-copy {
  display: inline-flex;
  flex-direction: row;
  width: auto;
}

.checkbox-item.compact-option .checkbox-copy strong {
  white-space: nowrap;
}

.checkbox-item.is-disabled {
  opacity: 0.55;
}

.checkbox-item.is-disabled,
.checkbox-item.is-disabled input {
  cursor: not-allowed;
}

.checkbox-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dynamic-grid .checkbox-copy {
  align-items: flex-start;
}

.checkbox-copy small {
  color: var(--muted);
  font-style: italic;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.summary-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
}

.summary-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 700;
}

.summary-card strong {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent {
  background: linear-gradient(180deg, rgba(131, 164, 125, 0.26), rgba(255, 255, 255, 0.94));
}

.total-card {
  background: linear-gradient(135deg, rgba(93, 135, 82, 0.18), rgba(255, 255, 255, 0.96));
}

.breakdown {
  margin-top: 24px;
}

.breakdown-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.breakdown-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
}

.breakdown-row-group {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
}

.breakdown-row-in-group {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.breakdown-row-in-group + .breakdown-row-in-group {
  border-top: 1px solid var(--line);
}

.breakdown-row small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
  font-style: italic;
}

.breakdown-row strong {
  font-size: 1rem;
  font-weight: 700;
}

.tag {
  justify-self: start;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(131, 164, 125, 0.18);
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.totals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.totals div {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
}

.totals span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 700;
}

.totals strong {
  font-size: 1.2rem;
  font-weight: 700;
}

.profit {
  background: linear-gradient(180deg, rgba(93, 135, 82, 0.2), rgba(255, 255, 255, 0.94)) !important;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 16px 12px 32px;
  }

  .panel {
    padding: 22px;
    border-radius: 24px;
  }

  .stair-form,
  .summary-grid,
  .totals,
  .dynamic-grid,
  .material-fields,
  .price-row,
  .finish-row,
  .finish-panel,
  .add-color-row,
  .milling-grid {
    grid-template-columns: 1fr;
  }

  .admin-heading,
  .material-card-heading,
  .admin-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .dimension-separator {
    align-items: flex-start;
  }

  .dimension-separator span {
    white-space: normal;
    text-align: center;
  }

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