.ms-cistern-gasket-calculator {
  --ms-cgc-accent: #2b8ca6;
  --ms-cgc-accent-dark: #226f84;
  --ms-cgc-accent-soft: #eef6f9;
  --ms-cgc-border: #e3e9ed;
  --ms-cgc-text: #2c3a43;
  --ms-cgc-muted: #6c7b85;
  direction: rtl;
  text-align: right;
  font-family: inherit;
  color: var(--ms-cgc-text);
  line-height: 1.6;
  box-sizing: border-box;
  max-width: 560px;
  margin: 1.5em auto;
}
.ms-cistern-gasket-calculator *,
.ms-cistern-gasket-calculator *::before,
.ms-cistern-gasket-calculator *::after { box-sizing: border-box; }

.ms-cistern-gasket-calculator .ms-cgc-card {
  background: #ffffff;
  border: 1px solid var(--ms-cgc-border);
  border-radius: 16px;
  padding: 22px 18px;
  box-shadow: 0 2px 12px rgba(43, 140, 166, 0.07);
}

.ms-cistern-gasket-calculator .ms-cgc-title {
  font-size: 1.18rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ms-cgc-text);
}
.ms-cistern-gasket-calculator .ms-cgc-intro {
  font-size: 0.95rem;
  color: var(--ms-cgc-muted);
  margin: 0 0 20px;
}

.ms-cistern-gasket-calculator .ms-cgc-field { margin-bottom: 22px; }
.ms-cistern-gasket-calculator .ms-cgc-fieldset {
  border: 0;
  margin: 0 0 22px;
  padding: 0;
}
.ms-cistern-gasket-calculator .ms-cgc-label {
  display: block;
  font-size: 0.96rem;
  font-weight: 600;
  margin-bottom: 12px;
  padding: 0;
}

.ms-cistern-gasket-calculator .ms-cgc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: #dfe7ec;
  outline: none;
  direction: rtl;
  margin: 4px 0 10px;
  cursor: pointer;
}
.ms-cistern-gasket-calculator .ms-cgc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ms-cgc-accent);
  border: 3px solid #ffffff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  cursor: pointer;
}
.ms-cistern-gasket-calculator .ms-cgc-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ms-cgc-accent);
  border: 3px solid #ffffff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  cursor: pointer;
}
.ms-cistern-gasket-calculator .ms-cgc-slider:focus-visible {
  box-shadow: 0 0 0 3px rgba(43, 140, 166, 0.25);
}
.ms-cistern-gasket-calculator .ms-cgc-years-output {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ms-cgc-accent-dark);
}
.ms-cistern-gasket-calculator .ms-cgc-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--ms-cgc-muted);
  margin-top: 4px;
}

.ms-cistern-gasket-calculator .ms-cgc-options {
  display: grid;
  gap: 10px;
}
.ms-cistern-gasket-calculator .ms-cgc-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border: 1px solid var(--ms-cgc-border);
  border-radius: 12px;
  cursor: pointer;
  background: #ffffff;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.ms-cistern-gasket-calculator .ms-cgc-option:hover { border-color: #c9dde4; }
.ms-cistern-gasket-calculator .ms-cgc-option input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--ms-cgc-accent);
  flex: 0 0 auto;
}
.ms-cistern-gasket-calculator .ms-cgc-option-text {
  font-size: 0.95rem;
}
.ms-cistern-gasket-calculator .ms-cgc-option:has(input:checked) {
  border-color: var(--ms-cgc-accent);
  background: var(--ms-cgc-accent-soft);
}
.ms-cistern-gasket-calculator .ms-cgc-option:focus-within {
  box-shadow: 0 0 0 3px rgba(43, 140, 166, 0.18);
}

.ms-cistern-gasket-calculator .ms-cgc-result {
  background: var(--ms-cgc-accent-soft);
  border-inline-start: 4px solid var(--ms-cgc-accent);
  border-radius: 10px;
  padding: 14px 15px;
  font-size: 0.96rem;
  color: var(--ms-cgc-text);
  margin-bottom: 12px;
}

.ms-cistern-gasket-calculator .ms-cgc-disclaimer {
  font-size: 0.8rem;
  color: var(--ms-cgc-muted);
  margin: 0 0 18px;
}

.ms-cistern-gasket-calculator .ms-cgc-cta-lead {
  font-size: 0.96rem;
  font-weight: 600;
  margin: 0 0 12px;
}
.ms-cistern-gasket-calculator .ms-cgc-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ms-cistern-gasket-calculator .ms-cgc-cta {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--ms-cgc-accent);
  color: #ffffff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 18px;
  border: 1px solid var(--ms-cgc-accent);
  border-radius: 12px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.ms-cistern-gasket-calculator .ms-cgc-cta:hover,
.ms-cistern-gasket-calculator .ms-cgc-cta:focus {
  background: var(--ms-cgc-accent-dark);
  border-color: var(--ms-cgc-accent-dark);
  color: #ffffff;
}
.ms-cistern-gasket-calculator .ms-cgc-cta--alt {
  background: #ffffff;
  color: var(--ms-cgc-accent-dark);
}
.ms-cistern-gasket-calculator .ms-cgc-cta--alt:hover,
.ms-cistern-gasket-calculator .ms-cgc-cta--alt:focus {
  background: var(--ms-cgc-accent-soft);
  border-color: var(--ms-cgc-accent);
  color: var(--ms-cgc-accent-dark);
}
.ms-cistern-gasket-calculator .ms-cgc-cta:focus-visible {
  outline: 3px solid rgba(43, 140, 166, 0.35);
  outline-offset: 2px;
}

@media (min-width: 480px) {
  .ms-cistern-gasket-calculator .ms-cgc-card { padding: 26px 24px; }
  .ms-cistern-gasket-calculator .ms-cgc-actions { flex-direction: row; }
  .ms-cistern-gasket-calculator .ms-cgc-cta { width: auto; flex: 1 1 auto; }
}