.g4r-rental-calculators,
.g4r-rental-calculators * { box-sizing: border-box; }

.g4r-rental-calculators {
  --g4r-bg: #f7f9fc;
  --g4r-card: #ffffff;
  --g4r-text: #1f2937;
  --g4r-muted: #667085;
  --g4r-border: #d8dee9;
  --g4r-primary: #315f9f;
  --g4r-primary-hover: #254b80;
  --g4r-header: #eef5fb;
  --g4r-green: #137a52;
  --g4r-red: #b42318;
  --g4r-amber: #a15c00;
  width: 100%;
  padding: 24px;
  background: var(--g4r-bg);
  color: var(--g4r-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

.g4r-rental-calculators .g4r-rc-shell { max-width: 1180px; margin: 0 auto; }
.g4r-rental-calculators .g4r-rc-header {
  background: var(--g4r-header);
  border: 1px solid #d7e5f2;
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 22px;
}
.g4r-rental-calculators .g4r-rc-header h2 {
  margin: 0 0 10px;
  color: #203a5c;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.15;
}
.g4r-rental-calculators .g4r-rc-header p { margin: 0; max-width: 850px; color: #43566f; font-size: 16px; }
.g4r-rental-calculators .g4r-rc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.g4r-rental-calculators .g4r-rc-card {
  background: var(--g4r-card);
  border: 1px solid var(--g4r-border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 6px 18px rgba(31, 41, 55, 0.05);
}
.g4r-rental-calculators .g4r-rc-card h3 { margin: 0 0 5px; color: #23354d; font-size: 20px; }
.g4r-rental-calculators .g4r-rc-card > p { margin: 0 0 16px; color: var(--g4r-muted); font-size: 14px; }
.g4r-rental-calculators .g4r-rc-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.g4r-rental-calculators .g4r-rc-fields label { display: block; color: #344054; font-size: 13px; font-weight: 700; }
.g4r-rental-calculators .g4r-rc-fields label.g4r-rc-full { grid-column: 1 / -1; }
.g4r-rental-calculators input[type="number"] {
  display: block;
  width: 100%;
  min-height: 42px;
  margin-top: 5px;
  padding: 9px 11px;
  border: 1px solid #c8d0dc;
  border-radius: 8px;
  background: #fff;
  color: #1f2937;
  font: 16px Arial, Helvetica, sans-serif;
}
.g4r-rental-calculators input[type="number"]:focus { outline: none; border-color: var(--g4r-primary); box-shadow: 0 0 0 3px rgba(49, 95, 159, 0.12); }
.g4r-rental-calculators .g4r-rc-button {
  margin-top: 15px;
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  background: var(--g4r-primary);
  color: #fff;
  font: 700 15px/1.2 Arial, Helvetica, sans-serif;
  cursor: pointer;
}
.g4r-rental-calculators .g4r-rc-button:hover,
.g4r-rental-calculators .g4r-rc-button:focus { background: var(--g4r-primary-hover); color: #fff; }
.g4r-rental-calculators .g4r-rc-result { margin-top: 15px; padding: 14px; background: #f4f8fc; border: 1px solid #d9e6f1; border-radius: 10px; }
.g4r-rental-calculators .g4r-rc-result strong { display: block; margin-bottom: 4px; color: #27486e; font-size: 21px; font-weight: 800; }
.g4r-rental-calculators .g4r-rc-result span { display: block; color: var(--g4r-muted); font-size: 13px; }
.g4r-rental-calculators .g4r-rc-result.g4r-rc-good strong { color: var(--g4r-green); }
.g4r-rental-calculators .g4r-rc-result.g4r-rc-bad strong { color: var(--g4r-red); }
.g4r-rental-calculators .g4r-rc-result.g4r-rc-warn strong { color: var(--g4r-amber); }
.g4r-rental-calculators .g4r-rc-formula { margin-top: 9px; color: #7a8492; font-size: 12px; }
.g4r-rental-calculators .g4r-rc-disclaimer { margin-top: 22px; padding: 15px 18px; border: 1px solid #ead7a2; border-radius: 10px; background: #fffaf0; color: #6b5320; font-size: 13px; }

@media (max-width: 850px) {
  .g4r-rental-calculators .g4r-rc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .g4r-rental-calculators { padding: 12px; }
  .g4r-rental-calculators .g4r-rc-header { padding: 20px; }
  .g4r-rental-calculators .g4r-rc-fields { grid-template-columns: 1fr; }
  .g4r-rental-calculators .g4r-rc-fields label.g4r-rc-full { grid-column: auto; }
}