.wpif-ecalc {
  --ecalc-bg: var(--color-page-background, #ffffff);
  --ecalc-card: var(--bf-wpdt-surface-bg, #f5f7fb);
  --ecalc-border: var(--bf-wpdt-border, #d9e2ef);
  --ecalc-text: var(--color-page-text, #4a6178);
  --ecalc-title: var(--color-blue-title, #1a2b4c);
  --ecalc-primary: var(--color-brand-500, #6aa4d8);
  --ecalc-muted: rgba(74, 97, 120, 0.8);
  --ecalc-target-muted: rgba(74, 97, 120, 0.6);
  --ecalc-shadow: var(--shadow-shadow-sm, 0px 1px 2px rgba(16, 24, 40, 0.08));

  color: var(--ecalc-text);
  font-family: inherit;
}


html[data-theme="dark"] .wpif-ecalc {
  --ecalc-target-muted: rgba(198, 211, 230, 0.6);
}

html[data-theme="dark"] .wpif-ecalc__legend-items,
html[data-theme="dark"] .wpif-ecalc__legend-note {
  color: rgba(198, 211, 230, 0.85);
}

html[data-theme="dark"] .wpif-ecalc__unit {
  color: rgba(198, 211, 230, 0.75);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] .wpif-ecalc {
    --ecalc-target-muted: rgba(198, 211, 230, 0.6);
  }

  html[data-theme="system"] .wpif-ecalc__legend-items,
  html[data-theme="system"] .wpif-ecalc__legend-note {
    color: rgba(198, 211, 230, 0.85);
  }

  html[data-theme="system"] .wpif-ecalc__unit {
    color: rgba(198, 211, 230, 0.75);
  }
}

body.pagelayer-body .wpif-ecalc__select,
body.pagelayer-body .wpif-ecalc__select option,
body.pagelayer-body .wpif-ecalc__select optgroup,
body.pagelayer-body .wpif-ecalc__picker-btn,
body.pagelayer-body .wpif-ecalc__picker-option {
  font: inherit !important;
}

.wpif-ecalc__card,
.wpif-ecalc__table-card,
.wpif-ecalc__legend {
  background: var(--ecalc-card);
  border: 1px solid var(--ecalc-border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--ecalc-shadow);
  margin-bottom: 20px;
}

.wpif-ecalc__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 18px;
}

.wpif-ecalc__title {
  margin: 0 0 6px 0;
  font-size: 22px;
  color: var(--ecalc-title);
}

.wpif-ecalc__subtitle {
  margin: 0;
  color: var(--ecalc-muted);
}

.wpif-ecalc__controls {
  display: grid;
  grid-template-columns: minmax(240px, 1fr);
  gap: 16px;
}

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

.wpif-ecalc__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wpif-ecalc__label {
  font-weight: 700;
  color: var(--ecalc-title);
}

.wpif-ecalc__unit {
  font-weight: 500;
  color: var(--ecalc-muted);
}

.wpif-ecalc__input,
.wpif-ecalc__select {
  border: 1px solid var(--ecalc-border);
  border-radius: 10px;
  background: var(--ecalc-bg);
  color: var(--ecalc-text);
  font-family: inherit;
  padding: 10px 12px;
  font-size: 15px;
  width: 100%;
  box-sizing: border-box;
}

.wpif-ecalc__picker {
  position: relative;
}

.wpif-ecalc__picker-btn {
  width: 100%;
  border: 1px solid var(--ecalc-border);
  border-radius: 10px;
  background: var(--ecalc-bg);
  color: var(--ecalc-text);
  padding: 10px 12px;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}

.wpif-ecalc__picker-label {
  text-align: left;
  flex: 1;
}

.wpif-ecalc__picker-caret {
  color: var(--ecalc-muted);
}

.wpif-ecalc__picker-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  background: var(--ecalc-bg);
  border: 1px solid var(--ecalc-border);
  border-radius: 12px;
  box-shadow: var(--ecalc-shadow);
  max-height: 280px;
  overflow-y: auto;
  z-index: 20;
  padding: 6px;
}

.wpif-ecalc__picker-option {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--ecalc-text);
  padding: 10px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.wpif-ecalc__picker-option:hover,
.wpif-ecalc__picker-option:focus {
  background: var(--bf-wpdt-header-bg, #d9e5f5);
  outline: none;
}

.wpif-ecalc__picker-hint {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  font-size: 12px;
  color: var(--ecalc-muted);
  background: linear-gradient(transparent, var(--ecalc-bg) 60%);
  pointer-events: none;
}

.wpif-ecalc__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.wpif-ecalc__btn {
  border-radius: 10px;
  border: 1px solid var(--ecalc-border);
  background: var(--ecalc-bg);
  color: var(--ecalc-text);
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
}

.wpif-ecalc__btn--primary {
  background: var(--ecalc-primary);
  color: #fff;
  border-color: var(--ecalc-primary);
}

.wpif-ecalc__btn--ghost {
  background: transparent;
  border-color: var(--ecalc-border);
}
.wpif-ecalc__btn--danger {
  border-color: rgba(220, 53, 69, 0.5);
  color: #dc3545;
  background: transparent;
}

.wpif-ecalc__btn--icon {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
}

.wpif-ecalc__note {
  color: var(--ecalc-muted);
  font-size: 14px;
}

.wpif-ecalc__note.is-warn {
  color: #c07a1b;
}

.wpif-ecalc__note.is-error {
  color: #c03535;
}

.wpif-ecalc__legend {
  display: grid;
  gap: 8px;
}

.wpif-ecalc__legend-title {
  font-weight: 700;
  color: var(--ecalc-title);
}

.wpif-ecalc__legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ecalc-muted);
  font-weight: 600;
}
.wpif-ecalc__legend-note {
  color: var(--ecalc-muted);
  font-size: 14px;
}

.wpif-ecalc__table-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.wpif-ecalc__table-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.wpif-ecalc__title-sm {
  margin: 0 0 4px 0;
  font-size: 18px;
  color: var(--ecalc-title);
}

.wpif-ecalc__subtitle-sm {
  margin: 0;
  color: var(--ecalc-muted);
}

.wpif-ecalc__table-wrap {
  width: 100%;
}

.wpif-ecalc__table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.wpif-ecalc__col--compound {
  width: 20%;
}

.wpif-ecalc__col--formula {
  width: 8%;
}

.wpif-ecalc__col--total {
  width: 8%;
}

.wpif-ecalc__col--element {
  width: 6%;
}

.wpif-ecalc__col--remove {
  width: 4%;
}

.wpif-ecalc__table th:last-child,
.wpif-ecalc__table td:last-child {
  text-align: center;
}

.wpif-ecalc__table th,
.wpif-ecalc__table td {
  border-bottom: 1px solid var(--ecalc-border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
  word-break: break-word;
}

.wpif-ecalc__table thead th {
  background: var(--bf-wpdt-header-bg, #d9e5f5);
  color: var(--bf-wpdt-header-text, #1a2b4c);
}

.wpif-ecalc__table tfoot th {
  background: var(--bf-wpdt-row-odd-bg, #eef3fb);
  color: var(--ecalc-title);
}

.wpif-ecalc__table tfoot tr[data-ecalc-targets] th {
  font-weight: 600;
  color: var(--ecalc-target-muted);
}

.wpif-ecalc__tfoot-title {
  font-weight: 700;
  color: var(--ecalc-title);
}

.wpif-ecalc__summary {
  display: none;
  margin-top: 12px;
  border: 1px solid var(--ecalc-border);
  border-radius: 16px;
  padding: 16px;
  background: var(--ecalc-card);
}

.wpif-ecalc__summary-header,
.wpif-ecalc__summary-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(80px, 0.6fr) minmax(80px, 0.6fr);
  gap: 12px;
  align-items: center;
}

.wpif-ecalc__summary-header {
  font-weight: 700;
  color: var(--ecalc-title);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ecalc-border);
  margin-bottom: 10px;
}

.wpif-ecalc__summary-label {
  font-weight: 700;
  color: var(--ecalc-title);
}

.wpif-ecalc__summary-total {
  font-weight: 700;
  color: var(--ecalc-title);
}

.wpif-ecalc__summary-target {
  color: var(--ecalc-target-muted);
  font-weight: 600;
}

.wpif-ecalc__loading {
  padding: 20px;
  text-align: center;
  color: var(--ecalc-muted);
}

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

@media (max-width: 1024px) {
  .wpif-ecalc__table {
    table-layout: auto;
  }

  .wpif-ecalc__table colgroup {
    display: none;
  }
  .wpif-ecalc__table thead {
    display: none;
  }

  .wpif-ecalc__table,
  .wpif-ecalc__table tbody,
  .wpif-ecalc__table tr,
  .wpif-ecalc__table td,
  .wpif-ecalc__table tfoot,
  .wpif-ecalc__table tfoot tr,
  .wpif-ecalc__table tfoot th {
    display: block;
    width: 100%;
  }

  .wpif-ecalc__table tr {
    border: 1px solid var(--ecalc-border);
    border-radius: 12px;
    margin-bottom: 12px;
    padding: 8px;
  }

  .wpif-ecalc__table tfoot {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 6px;
    width: 100%;
  }

  .wpif-ecalc__table tfoot tr {
    border: 1px solid var(--ecalc-border);
    border-radius: 12px;
    padding: 8px;
    margin: 0;
    background: var(--ecalc-card);
    width: 100%;
  }

  .wpif-ecalc__table td,
  .wpif-ecalc__table tfoot th {
    display: grid;
    grid-template-columns: minmax(120px, 40%) 1fr;
    gap: 8px;
    border-bottom: none;
    padding: 6px 0;
  }

  .wpif-ecalc__table td::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--ecalc-title);
  }

  .wpif-ecalc__table tfoot th {
    background: transparent;
    word-break: normal;
    overflow-wrap: normal;
    text-align: left;
  }
  .wpif-ecalc__table tfoot th[data-label]::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--ecalc-title);
  }

  .wpif-ecalc__table tfoot .wpif-ecalc__tfoot-title {
    display: block;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ecalc-border);
    margin-bottom: 8px;
  }

  .wpif-ecalc__table tfoot .wpif-ecalc__tfoot-title::before {
    content: none;
  }
}

@media (max-width: 720px) {
  .wpif-ecalc__summary {
    display: block;
    padding: 12px;
    font-size: 14px;
  }

  .wpif-ecalc__table tfoot {
    display: none;
  }

  .wpif-ecalc__summary-header,
  .wpif-ecalc__summary-row {
    grid-template-columns: minmax(90px, 1fr) minmax(60px, 0.6fr) minmax(60px, 0.6fr);
    gap: 8px;
  }

  .wpif-ecalc__summary-total,
  .wpif-ecalc__summary-target {
    text-align: right;
  }

  .wpif-ecalc__summary-target {
    overflow-wrap: anywhere;
  }
}

@media print {
  .wpif-ecalc__controls,
  .wpif-ecalc__table-actions,
  .wpif-ecalc__legend {
    display: none !important;
  }

  .wpif-ecalc__card,
  .wpif-ecalc__table-card {
    box-shadow: none;
    border: none;
    padding: 0;
  }
}