/* Independent size guide calculator */
.snb-guide-calculator {
  padding: 64px 24px;
  background: #f3f5f6;
  color: #26394a;
}
.snb-guide-calculator__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px;
  background: #fff;
  border: 1px solid #e2e8ee;
  border-radius: 16px;
  box-shadow: 0 12px 36px rgba(23, 42, 58, .08);
}
.snb-guide-calculator__header { margin-bottom: 24px; text-align: center; }
.snb-guide-calculator__header h2 { margin: 0 0 10px; color: #26394a; font-size: clamp(28px, 4vw, 38px); }
.snb-guide-calculator__header p { margin: 0; }
.snb-guide-calculator__eyebrow { margin-bottom: 8px !important; color: #346fdb; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.snb-guide-examples { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 24px; padding: 16px; background: #f1f6ff; border: 1px dashed #8ab1fa; border-radius: 10px; }
.snb-guide-examples > span { flex-basis: 100%; font-size: 14px; font-weight: 600; }
.snb-guide-examples button { padding: 8px 12px; border: 1px solid #346fdb; border-radius: 7px; background: #fff; color: #2458b5; cursor: pointer; font: inherit; font-size: 13px; }
.snb-guide-examples button:hover { background: #346fdb; color: #fff; }
.snb-guide-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.snb-guide-field { min-width: 0; }
.snb-guide-field--full { grid-column: 1 / -1; }
.snb-guide-field label { display: block; margin-bottom: 6px; color: #26394a; font-size: 14px; font-weight: 600; }
.snb-guide-field select, .snb-guide-field input { box-sizing: border-box; width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #cbd4de; border-radius: 8px; background: #fff; color: #26394a; font: inherit; }
.snb-guide-field select:focus, .snb-guide-field input:focus { border-color: #346fdb; outline: 2px solid rgba(52, 111, 219, .16); }
.snb-guide-field small { display: block; margin-top: 6px; color: #64748b; font-size: 12px; line-height: 1.4; }
.snb-guide-height-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.snb-guide-height-pair label { font-size: 12px; }
.snb-guide-submit { display: block; min-height: 50px; margin: 24px auto 0; padding: 12px 28px; border: 0; border-radius: 8px; background: #346fdb; color: #fff; cursor: pointer; font: inherit; font-size: 16px; font-weight: 700; }
.snb-guide-submit:hover { background: #2458b5; }
.snb-guide-results { margin-top: 28px; padding-top: 24px; border-top: 1px solid #e2e8ee; }
.snb-guide-results[hidden] { display: none; }
.snb-guide-results h3 { margin: 0 0 16px; color: #26394a; text-align: center; }
.snb-guide-results__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.snb-guide-result-card { padding: 22px 16px; border: 1px solid #e2e8ee; border-radius: 10px; background: #f8fafc; text-align: center; }
.snb-guide-result-card > span { display: block; color: #526477; font-size: 14px; }
.snb-guide-result-card strong { display: block; margin: 8px 0; color: #26394a; font-size: 30px; }
.snb-guide-result-card p { margin: 0; font-size: 14px; }
.snb-guide-note { margin: 16px 0 0; color: #64748b; font-size: 13px; text-align: center; }
@media (max-width: 640px) {
  .snb-guide-calculator { padding: 36px 14px; }
  .snb-guide-calculator__inner { padding: 22px 16px; }
  .snb-guide-form__grid, .snb-guide-results__grid { grid-template-columns: 1fr; }
  .snb-guide-field--full { grid-column: auto; }
  .snb-guide-examples button { flex: 1 1 calc(50% - 8px); }
}