:root {
  --eko-brand: #B67312;
  --eko-brand-dark: #8f560d;
  --eko-green: #2f7d3e;
  --eko-red: #c43d32;
}

.eko-r-calculator,
.eko-r-calculator * {
  box-sizing: border-box;
}

.eko-page {
  min-height: 100vh;
  padding: 32px 16px;
  font-family: Arial, Helvetica, sans-serif;
  color: #102235;
  background: #f4f7f3;
}

.eko-r-calculator {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 28px;
  font-family: Arial, Helvetica, sans-serif;
  color: #102235;
  background: #ffffff;
  border: 1px solid #dce4dd;
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(31, 51, 36, 0.08);
}

.eko-r-header {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.eko-r-kicker {
  margin: 0;
  color: #647265;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.eko-r-header h1,
.eko-r-header h2 {
  margin: 0;
  color: #102235;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: 0;
}

.eko-r-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.eko-r-calculator .eko-r-tab {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 12px;
  border: 1px solid #cdd8cf;
  border-radius: 6px;
  background: #f7faf7;
  color: #203126;
  font: inherit;
  text-align: left;
  text-decoration: none;
  text-transform: none;
  box-shadow: none;
  cursor: pointer;
}

.eko-r-calculator .eko-r-tab:hover,
.eko-r-calculator .eko-r-tab:focus-visible {
  color: #203126;
  background: #f7faf7;
  border-color: var(--eko-brand);
  outline: none;
}

.eko-r-calculator .eko-r-tab.is-active,
.eko-r-calculator .eko-r-tab.is-active:hover,
.eko-r-calculator .eko-r-tab.is-active:focus-visible {
  color: #ffffff;
  background: var(--eko-brand);
  border-color: var(--eko-brand);
}

.eko-r-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 6px;
  background: #e6eee5;
  color: var(--eko-brand);
}

.eko-r-calculator .eko-r-tab.is-active .eko-r-icon {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.eko-r-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.eko-r-tab strong,
.eko-r-tab small {
  display: block;
  min-width: 0;
}

.eko-r-tab strong {
  color: inherit;
  font-size: 15px;
  line-height: 1.25;
}

.eko-r-tab small {
  margin-top: 4px;
  color: #607064;
  font-size: 12px;
  line-height: 1.35;
}

.eko-r-calculator .eko-r-tab.is-active small {
  color: rgba(255, 255, 255, 0.78);
}

.eko-r-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 18px;
  align-items: stretch;
}

.eko-r-panel,
.eko-r-result {
  border: 1px solid #dce4dd;
  border-radius: 8px;
  background: #ffffff;
}

.eko-r-panel {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.eko-r-mode-copy {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 6px;
  background: #eef5ed;
}

.eko-r-mode-copy p,
.eko-r-mode-copy span {
  margin: 0;
}

.eko-r-mode-copy p {
  color: var(--eko-brand-dark);
  font-weight: 800;
}

.eko-r-mode-copy span {
  color: #607064;
  font-size: 13px;
  line-height: 1.45;
}

.eko-r-field {
  display: grid;
  gap: 8px;
}

.eko-r-field label,
.eko-r-label-row label {
  color: #1a2c1f;
  font-size: 14px;
  font-weight: 700;
}

.eko-r-label-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.eko-r-label-row output {
  font-weight: 700;
}

.eko-r-select,
.eko-r-number {
  width: 100%;
  min-height: 46px;
  border: 1px solid #cdd8cf;
  border-radius: 6px;
  background: #ffffff;
  color: #102235;
  font: inherit;
}

.eko-r-select {
  padding: 0 42px 0 12px;
}

[data-field="material"] .eko-r-select {
  display: none;
}

.eko-r-material-dropdown {
  position: relative;
}

.eko-r-calculator .eko-r-material-button,
.eko-r-calculator .eko-r-material-option {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 68px;
  padding: 7px 10px 7px 7px;
  border: 1px solid #d8e0da;
  border-radius: 6px;
  background: #ffffff;
  color: #102235;
  font: inherit;
  text-align: left;
  text-decoration: none;
  text-transform: none;
  box-shadow: none;
  cursor: pointer;
}

.eko-r-calculator .eko-r-material-button:hover,
.eko-r-calculator .eko-r-material-button:focus-visible,
.eko-r-calculator .eko-r-material-option:hover,
.eko-r-calculator .eko-r-material-option:focus-visible {
  color: #102235;
  background: #ffffff;
  border-color: var(--eko-brand);
  outline: none;
}

.eko-r-calculator .eko-r-material-button[aria-expanded="true"],
.eko-r-calculator .eko-r-material-option.is-active {
  border-color: var(--eko-brand);
  box-shadow: 0 0 0 2px rgba(182, 115, 18, 0.16);
}

.eko-r-material-button img,
.eko-r-material-option img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 6px;
  background: #f5f7f4;
}

.eko-r-material-button strong,
.eko-r-material-button small,
.eko-r-material-option strong,
.eko-r-material-option small {
  display: block;
  min-width: 0;
}

.eko-r-material-button strong,
.eko-r-material-option strong {
  color: #102235;
  font-size: 13px;
  line-height: 1.25;
}

.eko-r-material-button small,
.eko-r-material-option small {
  margin-top: 4px;
  color: #607064;
  font-size: 12px;
}

.eko-r-calculator .eko-r-tab.is-active strong,
.eko-r-calculator .eko-r-tab.is-active small {
  color: inherit;
}

.eko-r-material-menu {
  position: absolute;
  z-index: 20;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  display: grid;
  gap: 6px;
  max-height: min(390px, 70vh);
  padding: 8px;
  overflow: auto;
  border: 1px solid #d8e0da;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 38px rgba(26, 44, 31, 0.16);
}

.eko-r-material-menu[hidden] {
  display: none;
}

.eko-r-material-option {
  grid-template-columns: 48px minmax(0, 1fr);
  min-height: 60px;
  padding: 6px;
}

.eko-r-material-option img {
  width: 48px;
  height: 48px;
}

.eko-r-dropdown-arrow {
  color: var(--eko-brand);
  font-size: 22px;
  line-height: 1;
}

.eko-r-number {
  padding: 0 12px;
}

.eko-r-number-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.eko-r-range {
  width: 100%;
  accent-color: var(--eko-brand);
}

.eko-r-range-scale {
  display: flex;
  justify-content: space-between;
  color: #6c7a6e;
  font-size: 13px;
}

.eko-r-help,
.eko-r-summary {
  margin: 0;
  color: #607064;
  font-size: 13px;
  line-height: 1.45;
}

.eko-r-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 20px;
  background: #f9fbf8;
}

.eko-r-result-label {
  margin: 0;
  color: #647265;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.eko-r-value {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.eko-r-value span {
  color: var(--eko-brand);
  font-size: 24px;
  font-weight: 800;
}

.eko-r-value strong {
  color: #102235;
  font-size: clamp(48px, 8vw, 74px);
  line-height: 1;
}

.eko-r-rating {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
}

.eko-r-rating span {
  height: 8px;
  border-radius: 999px;
  background: #dce4dd;
}

.eko-r-rating.is-low span.is-on {
  background: var(--eko-red);
}

.eko-r-rating.is-mid span.is-on {
  background: var(--eko-brand);
}

.eko-r-rating.is-high span.is-on {
  background: var(--eko-green);
}

.eko-r-meta {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid #dce4dd;
}

.eko-r-meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.eko-r-meta dt,
.eko-r-meta dd {
  margin: 0;
  font-size: 13px;
}

.eko-r-meta dt {
  color: #607064;
}

.eko-r-meta dd {
  font-weight: 700;
  text-align: right;
}

.eko-r-calculator [hidden] {
  display: none !important;
}

@media (max-width: 760px) {
  .eko-r-calculator {
    padding: 18px;
  }

  .eko-r-tabs,
  .eko-r-grid {
    grid-template-columns: 1fr;
  }

  .eko-r-result {
    min-height: 0;
  }
}

@media (max-width: 460px) {
  .eko-page {
    padding: 16px 10px;
  }

  .eko-r-calculator,
  .eko-r-panel,
  .eko-r-result {
    padding: 16px;
  }

  .eko-r-tab {
    grid-template-columns: 40px minmax(0, 1fr);
    min-height: 78px;
  }

  .eko-r-icon {
    width: 40px;
    height: 40px;
  }
}