@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

.wwt-calc {
  --wwt-blue: #1B3A8C;
  --wwt-blue-dark: #122A66;
  --wwt-red: #E5262A;
  --wwt-navy: #0E1530;
  --wwt-bg: #F6F7F9;
  --wwt-white: #FFFFFF;
  --wwt-border: #DFE3EA;
  --wwt-text: #171B2E;
  --wwt-grey: #667085;
  --wwt-grey-light: #A6ADBB;

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--wwt-text);
  background: var(--wwt-bg);
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 28px;
  align-items: start;
}

.wwt-calc *, .wwt-calc *::before, .wwt-calc *::after {
  box-sizing: border-box;
}

/* Elementor (and most page-builder themes) ship global button/link
   color rules that are more specific or load after this stylesheet,
   so plain <button>/<a> tags inside the widget get overridden. This
   resets that inheritance; the specific classes below then apply the
   calculator's own look with !important so they always win. */
.wwt-calc button,
.wwt-calc a {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- typography ---------- */
.wwt-calc__heading {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 28px;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--wwt-navy);
}

.wwt-calc__hint {
  font-size: 15px;
  color: var(--wwt-grey);
  line-height: 1.5;
  margin: 0 0 28px;
  max-width: 56ch;
}

.wwt-calc__group-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--wwt-blue);
  margin: 0 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--wwt-red);
}

/* ---------- form layout ---------- */
.wwt-calc__form {
  background: var(--wwt-white);
  border: 1px solid var(--wwt-border);
  border-radius: 10px;
  padding: 28px;
}

.wwt-calc__group {
  margin-bottom: 26px;
}

.wwt-calc__group:last-child {
  margin-bottom: 0;
}

.wwt-calc__rows {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wwt-calc__row {
  display: grid;
  grid-template-columns: 1fr 56px 74px 84px;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border-radius: 6px;
  transition: background 0.15s ease;
}

.wwt-calc__row:hover {
  background: var(--wwt-bg);
}

.wwt-calc__row--custom {
  grid-template-columns: 1.4fr 74px 60px 84px 28px;
}

.wwt-calc__row-name {
  font-size: 14px;
  color: var(--wwt-text);
}

.wwt-calc__row-watts {
  font-size: 12px;
  color: var(--wwt-grey-light);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.wwt-calc__row-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wwt-calc__row-field-label {
  font-size: 10px;
  color: var(--wwt-grey-light);
}

.wwt-calc__row input[type="number"],
.wwt-calc__row input[type="text"] {
  width: 100%;
  border: 1px solid var(--wwt-border);
  border-radius: 5px;
  padding: 6px 7px;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--wwt-text);
  background: var(--wwt-white);
}

.wwt-calc__row input:focus {
  outline: none;
  border-color: var(--wwt-blue);
  box-shadow: 0 0 0 3px rgba(27, 58, 140, 0.12);
}

.wwt-calc__row-remove {
  border: none !important;
  background: transparent !important;
  color: var(--wwt-grey-light) !important;
  font-size: 20px !important;
  line-height: 1 !important;
  cursor: pointer !important;
  padding: 4px !important;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  border-radius: 0 !important;
}

.wwt-calc__row-remove:hover {
  color: var(--wwt-red) !important;
  background: transparent !important;
}

.wwt-calc__btn-add {
  margin-top: 10px;
  border: 1px dashed var(--wwt-border) !important;
  background: transparent !important;
  color: var(--wwt-blue) !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  padding: 9px 14px !important;
  border-radius: 6px !important;
  cursor: pointer;
  width: 100%;
  text-align: left;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
}

.wwt-calc__btn-add:hover {
  background: var(--wwt-bg) !important;
  border-color: var(--wwt-blue) !important;
  color: var(--wwt-blue) !important;
}

/* ---------- settings (backup + chemistry) ---------- */
.wwt-calc__settings {
  padding-top: 22px;
  border-top: 1px solid var(--wwt-border);
}

.wwt-calc__settings-row {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.wwt-calc__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--wwt-text);
}

.wwt-calc__field input {
  width: 140px;
  border: 1px solid var(--wwt-border);
  border-radius: 6px;
  padding: 9px 10px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
}

.wwt-calc__toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wwt-calc__toggle-label {
  font-size: 13px;
  color: var(--wwt-text);
}

.wwt-calc__toggle-buttons {
  display: flex;
  border: 1px solid var(--wwt-border);
  border-radius: 6px;
  overflow: hidden;
}

.wwt-calc__toggle-btn {
  border: none !important;
  background: var(--wwt-white) !important;
  color: var(--wwt-grey) !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  padding: 9px 18px !important;
  cursor: pointer;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  border-radius: 0 !important;
}

.wwt-calc__toggle-btn.is-active {
  background: var(--wwt-blue) !important;
  color: var(--wwt-white) !important;
}

/* ---------- results panel ---------- */
/* Positioning is handled by JS (see calculator.js) rather than CSS
   `position: sticky`, since that silently breaks inside Elementor
   sections/columns that set overflow on an ancestor. */
.wwt-calc__results {
}

.wwt-calc__results-inner {
  background: var(--wwt-navy);
  color: var(--wwt-white);
  border-radius: 10px;
  padding: 26px 24px;
}

.wwt-calc__results-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 20px;
  color: var(--wwt-white) !important;
}

.wwt-calc__stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
}

.wwt-calc__stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.wwt-calc__stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.wwt-calc__divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  margin: 14px 0;
}

.wwt-calc__warning {
  background: rgba(229, 38, 42, 0.16);
  border: 1px solid rgba(229, 38, 42, 0.4);
  color: #FFD7D8;
  font-size: 13px;
  line-height: 1.5;
  padding: 12px 14px;
  border-radius: 6px;
  margin: 0 0 16px;
}

.wwt-calc__recommend {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 0;
}

.wwt-calc__rec-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

.wwt-calc__rec-model {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
}

.wwt-calc__cta {
  margin-top: 6px;
  display: block !important;
  text-align: center !important;
  background: var(--wwt-red) !important;
  color: var(--wwt-white) !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  text-decoration: none !important;
  padding: 13px 16px !important;
  border-radius: 7px !important;
  border: none !important;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  transition: background 0.15s ease;
}

.wwt-calc__cta:hover,
.wwt-calc__cta:focus,
.wwt-calc__cta:visited {
  background: #C81F23 !important;
  color: var(--wwt-white) !important;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .wwt-calc {
    grid-template-columns: 1fr;
    padding: 20px 14px 40px;
  }

  .wwt-calc__results {
    position: static;
  }

  .wwt-calc__form {
    padding: 20px;
  }

  .wwt-calc__row {
    grid-template-columns: 1fr 44px 62px 70px;
    gap: 8px;
  }

  .wwt-calc__row--custom {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--wwt-border);
  }

  .wwt-calc__heading {
    font-size: 22px;
  }
}