.wht-pc {
  --wpc-accent: #4a7c59;
  --wpc-accent-hover: #3d6a4a;
  --wpc-bg: #ffffff;
  --wpc-card-bg: #f8f9fa;
  --wpc-card-border: #e0e0e0;
  --wpc-text: #333333;
  --wpc-text-muted: #666666;
  --wpc-error: #c0392b;
  --wpc-radius: 10px;

  background: var(--wpc-bg);
  border: 1px solid var(--wpc-card-border);
  border-radius: var(--wpc-radius);
  padding: 20px;
  font-family: inherit;
  color: var(--wpc-text);
  box-sizing: border-box;
}

.wht-pc *,
.wht-pc *::before,
.wht-pc *::after {
  box-sizing: border-box;
}

/* Several .wht-pc-* classes set display: flex/inline-flex, which beats the
 * UA [hidden]{display:none} rule at equal specificity. Force [hidden] to
 * win so the JS-controlled hidden state actually hides the loader, CTAs,
 * breakdown, etc. */
.wht-pc [hidden],
.wht-pc[hidden] {
  display: none !important;
}

.wht-pc-title {
  margin: 0 0 14px;
  font-size: 1.05em;
  font-weight: 700;
  color: var(--wpc-text);
}

.wht-pc-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.wht-pc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wht-pc-label {
  font-size: 0.82em;
  font-weight: 600;
  color: var(--wpc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.wht-pc-input-wrap {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1.5px solid var(--wpc-card-border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.wht-pc-input-wrap:focus-within {
  border-color: var(--wpc-accent);
}

.wht-pc-input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 1em;
  padding: 11px 12px;
  color: var(--wpc-text);
  background: transparent;
  min-width: 0;
  width: 100%;
}

.wht-pc-input-wrap input::placeholder {
  color: #c5c5c5;
}

.wht-pc-input-suffix {
  padding: 0 12px 0 0;
  color: var(--wpc-text-muted);
  font-size: 0.95em;
  font-weight: 500;
  pointer-events: none;
  white-space: nowrap;
}

.wht-pc-calc,
.wht-pc-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--wpc-accent);
  color: #fff;
  border: none;
  border-radius: var(--wpc-radius);
  padding: 13px 22px;
  font-family: inherit;
  font-size: 1em;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
  width: 100%;
}

.wht-pc-calc:hover:not([disabled]),
.wht-pc-cta:hover:not([disabled]) {
  background: var(--wpc-accent-hover);
}

.wht-pc-calc[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.wht-pc-error {
  margin: 10px 0 0;
  color: var(--wpc-error);
  font-size: 0.92em;
  line-height: 1.4;
}

.wht-pc-loading {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--wpc-text-muted);
  font-size: 0.92em;
}

.wht-pc-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--wpc-card-border);
  border-top-color: var(--wpc-accent);
  border-radius: 50%;
  display: inline-block;
  animation: wht-pc-spin 0.7s linear infinite;
}

@keyframes wht-pc-spin {
  to {
    transform: rotate(360deg);
  }
}

.wht-pc-breakdown {
  margin: 14px 0 0;
  padding: 14px 16px;
  background: var(--wpc-card-bg);
  border: 1px solid var(--wpc-card-border);
  border-radius: var(--wpc-radius);
}

.wht-pc-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 5px 0;
  font-size: 0.95em;
}

.wht-pc-row + .wht-pc-row {
  border-top: 1px solid var(--wpc-card-border);
}

.wht-pc-row-label {
  color: var(--wpc-text-muted);
  margin: 0;
}

.wht-pc-row dd {
  margin: 0;
  color: var(--wpc-text);
  font-weight: 600;
}

.wht-pc-row-total {
  font-weight: 700;
  font-size: 1.05em;
}

.wht-pc-row-total .wht-pc-row-label {
  color: var(--wpc-text);
}

.wht-pc-row-total dd {
  color: var(--wpc-accent);
}

.wht-pc-cta {
  margin-top: 14px;
  text-decoration: none;
}

.wht-pc-cta-quote {
  background: transparent;
  color: var(--wpc-accent);
  border: 2px solid var(--wpc-accent);
}

.wht-pc-cta-quote:hover {
  background: var(--wpc-accent);
  color: #fff;
}

@media (max-width: 540px) {
  .wht-pc-fields {
    grid-template-columns: 1fr;
  }
}