.retaining-safety-banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin-bottom: 18px;
  border: 1px solid #e2c486;
  border-left: 5px solid #b7771f;
  border-radius: 7px;
  padding: 14px 16px;
  background: #fff8e9;
  color: #53442d;
}
.retaining-safety-banner p { margin: 0; line-height: 1.55; }
.retaining-workbench { grid-template-columns: minmax(480px, 1fr) minmax(330px, .66fr); }
.retaining-section-row {
  display: grid;
  grid-template-columns: minmax(130px, 1.1fr) repeat(2, minmax(95px, .75fr)) 36px;
  gap: 8px;
  align-items: end;
  padding: 11px;
  border: 1px solid #d7dfe2;
  border-radius: 7px;
  background: #f8faf9;
}
.retaining-section-row label,
.retaining-price-grid label,
.retaining-cap-row > label:last-child { color: #2b353a; font-size: 13px; font-weight: 800; }
.retaining-section-row label span,
.retaining-price-grid label span,
.retaining-cap-row > label:last-child > span { color: #69767d; font-size: 11px; }
.retaining-section-row input,
.retaining-price-grid input,
.retaining-cap-row > label:last-child input {
  width: 100%;
  min-height: 43px;
  box-sizing: border-box;
  border: 1px solid #bdc8cd;
  border-radius: 6px;
  padding: 9px 11px;
  background: #fff;
  color: #1f2529;
  font: inherit;
}
.retaining-section-row input:focus,
.retaining-price-grid input:focus,
.retaining-cap-row > label:last-child input:focus { border-color: #16735f; outline: 3px solid rgba(22, 115, 95, .12); }
.retaining-input-group { margin-top: 15px; border: 1px solid #d4dcdf; border-radius: 7px; padding: 15px; background: #f8faf9; }
.retaining-group-head { display: flex; align-items: baseline; gap: 9px; }
.retaining-group-head span { color: #16735f; font-size: 11px; font-weight: 900; text-transform: uppercase; }
.retaining-group-head h3 { margin: 0; color: #29343a; font-size: 16px; }
.retaining-field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 12px; }
.retaining-field-grid label:last-child:nth-child(odd) { grid-column: 1 / -1; }
.retaining-cap-row { display: grid; grid-template-columns: 1.2fr .8fr; gap: 12px; align-items: stretch; margin-top: 13px; }
.retaining-check {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 9px;
  align-items: start;
  min-height: 68px;
  box-sizing: border-box;
  border: 1px solid #d7dfe2;
  border-radius: 7px;
  padding: 12px;
  background: #fff;
  cursor: pointer;
}
.retaining-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: #16735f; }
.retaining-check strong,
.retaining-check small { display: block; }
.retaining-check strong { color: #29343a; font-size: 13px; }
.retaining-check small { margin-top: 3px; color: #66747b; font-size: 11px; line-height: 1.35; }
.retaining-details { margin-top: 15px; border: 1px solid #d4dcdf; border-radius: 7px; background: #f8faf9; }
.retaining-details summary { padding: 13px 15px; color: #29343a; font-size: 14px; font-weight: 850; cursor: pointer; }
.retaining-details[open] summary { border-bottom: 1px solid #dce3e5; }
.retaining-price-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 14px; }
.retaining-height-warning { margin: 14px 0 4px; border-left: 4px solid #b64d3e; padding: 12px 14px; background: #fff1ef; color: #6e3028; }
.retaining-height-warning p { margin: 4px 0 0; font-size: 12px; line-height: 1.45; }
.retaining-result-grid article { min-height: 78px; }
.retaining-profile {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 88px 116px;
  grid-template-rows: 118px 38px;
  overflow: hidden;
  margin-top: 18px;
  border: 1px solid #c9d1d4;
  border-radius: 7px;
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  text-align: center;
}
.retaining-profile > div { display: grid; place-items: center; padding: 6px; }
.retaining-profile-soil { background: #745e47; }
.retaining-profile-drain { background: #9b8f7a; color: #282621 !important; }
.retaining-profile-blocks { background: #686d70; }
.retaining-profile-blocks span { display: block; border: 1px solid rgba(255,255,255,.5); padding: 8px; }
.retaining-profile-base { grid-column: 2 / 4; background: #88785f; }
.retaining-table-wrap { overflow-x: auto; margin-top: 16px; }
.retaining-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.retaining-table th,
.retaining-table td { padding: 12px 10px; border-bottom: 1px solid #dce3e5; text-align: right; }
.retaining-table th:first-child,
.retaining-table td:first-child { padding-left: 0; text-align: left; }
.retaining-table thead th { color: #5e6b72; font-size: 12px; text-transform: uppercase; }
.retaining-table tbody th { color: #29343a; }
.retaining-table tfoot th,
.retaining-table tfoot td { border-bottom: 0; color: #174c40; font-weight: 900; }
.retaining-table-note { margin: 12px 0 0; color: #65737b; font-size: 12px; }
.retaining-reference-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.retaining-caution { display: grid; grid-template-columns: auto 1fr; gap: 12px; margin-top: 20px; border-left: 4px solid #c08432; padding: 13px 15px; background: #fff8e9; color: #55452e; }
.retaining-caution p { margin: 0; line-height: 1.55; }
@media (max-width: 1080px) {
  .retaining-workbench { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .retaining-safety-banner,
  .retaining-field-grid,
  .retaining-price-grid,
  .retaining-cap-row,
  .retaining-reference-grid,
  .retaining-caution { grid-template-columns: 1fr; }
  .retaining-field-grid label:last-child:nth-child(odd) { grid-column: auto; }
  .retaining-section-row { grid-template-columns: 1fr 1fr 36px; }
  .retaining-section-row label:first-child { grid-column: 1 / -1; }
  .retaining-table { min-width: 540px; }
  .retaining-profile { grid-template-columns: 1fr 70px 92px; }
}
@media print {
  #retaining-reset,
  #retaining-add-section,
  .retaining-remove,
  .concrete-presets { display: none !important; }
}