.bkbg-iwc-app{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;box-sizing:border-box}.bkbg-iwc-app *,.bkbg-iwc-app *::before,.bkbg-iwc-app *::after{box-sizing:border-box}.bkbg-iwc-card{background:#fff;border-radius:16px;padding:28px;max-width:600px;margin:0 auto;box-shadow:0 4px 24px rgb(0 0 0 / .09)}.bkbg-iwc-title{font-family:var(--bkbg-iwc-tt-font-family,inherit);font-size:var(--bkbg-iwc-tt-font-size-d,var(--bkbg-iwc-title-sz,28px));font-weight:var(--bkbg-iwc-tt-font-weight,700);font-style:var(--bkbg-iwc-tt-font-style,normal);text-decoration:var(--bkbg-iwc-tt-text-decoration,none);text-transform:var(--bkbg-iwc-tt-text-transform,none);line-height:var(--bkbg-iwc-tt-line-height-d,1.2);letter-spacing:var(--bkbg-iwc-tt-letter-spacing-d,normal);word-spacing:var(--bkbg-iwc-tt-word-spacing-d,normal);margin:0 0 4px}.bkbg-iwc-subtitle{font-family:var(--bkbg-iwc-st-font-family,inherit);font-size:var(--bkbg-iwc-st-font-size-d,15px);font-weight:var(--bkbg-iwc-st-font-weight,normal);font-style:var(--bkbg-iwc-st-font-style,normal);text-decoration:var(--bkbg-iwc-st-text-decoration,none);text-transform:var(--bkbg-iwc-st-text-transform,none);line-height:var(--bkbg-iwc-st-line-height-d,1.4);letter-spacing:var(--bkbg-iwc-st-letter-spacing-d,normal);word-spacing:var(--bkbg-iwc-st-word-spacing-d,normal);color:#6b7280;margin:0 0 20px}.bkbg-iwc-toggle-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}.bkbg-iwc-lbl{font-size:12px;font-weight:600;color:#374151;display:block;margin-bottom:4px}.bkbg-iwc-toggle-bar{display:flex;gap:4px;background:#f3f4f6;border-radius:8px;padding:3px}.bkbg-iwc-toggle-btn{flex:1;padding:7px;border:none;border-radius:6px;cursor:pointer;font-size:13px;font-family:inherit;transition:all .2s}.bkbg-iwc-height-wrap{margin-bottom:20px}.bkbg-iwc-slider-row{display:flex;align-items:center;gap:10px}.bkbg-iwc-slider{flex:1}.bkbg-iwc-height-val{font-size:18px;font-weight:700;min-width:70px}.bkbg-iwc-imperial-row{display:flex;gap:12px}.bkbg-iwc-imperial-col{flex:1}.bkbg-iwc-input{padding:8px 12px;border-radius:8px;border:1.5px solid #e5e7eb;font-size:16px;font-family:inherit;outline:none;width:100%;transition:border-color .2s;-moz-appearance:textfield}.bkbg-iwc-input::-webkit-outer-spin-button,.bkbg-iwc-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.bkbg-iwc-input:focus{border-color:#6c3fb5;box-shadow:0 0 0 2px rgb(108 63 181 / .1)}.bkbg-iwc-result{background:#f5f3ff;border:1px solid #ede9fe;border-radius:12px;padding:20px;text-align:center;margin-bottom:16px}.bkbg-iwc-result-label{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.bkbg-iwc-result-val{font-size:52px;font-weight:800;line-height:1}.bkbg-iwc-result-sub{font-size:14px;color:#6b7280;margin-top:6px}.bkbg-iwc-chart{margin-bottom:16px}.bkbg-iwc-bar-row{margin-bottom:10px}.bkbg-iwc-bar-header{display:flex;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:3px}.bkbg-iwc-bar-track{height:10px;background:#f3f4f6;border-radius:5px;overflow:hidden}.bkbg-iwc-bar-fill{height:100%;border-radius:5px;transition:width .4s ease}.bkbg-iwc-formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.bkbg-iwc-formula-item{border-radius:10px;padding:12px;text-align:center}.bkbg-iwc-formula-name{font-weight:800;font-size:14px;margin-bottom:4px}.bkbg-iwc-formula-main{font-size:20px;font-weight:800;color:#1f2937}.bkbg-iwc-formula-alt{font-size:12px;color:#6b7280;margin-top:2px}.bkbg-iwc-bmi-box{border-radius:10px;padding:14px 16px}.bkbg-iwc-bmi-title{font-weight:700;font-size:13px;margin-bottom:4px}.bkbg-iwc-bmi-range{font-size:15px;font-weight:800;color:#1f2937}.bkbg-iwc-bmi-sub{font-size:12px;color:#6b7280;margin-top:2px}@media (max-width:1024px){.bkbg-iwc-title{font-size:var(--bkbg-iwc-tt-font-size-t,var(--bkbg-iwc-tt-font-size-d,var(--bkbg-iwc-title-sz,28px)));line-height:var(--bkbg-iwc-tt-line-height-t,var(--bkbg-iwc-tt-line-height-d,1.2));letter-spacing:var(--bkbg-iwc-tt-letter-spacing-t,var(--bkbg-iwc-tt-letter-spacing-d,normal));word-spacing:var(--bkbg-iwc-tt-word-spacing-t,var(--bkbg-iwc-tt-word-spacing-d,normal))}.bkbg-iwc-subtitle{font-size:var(--bkbg-iwc-st-font-size-t,var(--bkbg-iwc-st-font-size-d,15px));line-height:var(--bkbg-iwc-st-line-height-t,var(--bkbg-iwc-st-line-height-d,1.4));letter-spacing:var(--bkbg-iwc-st-letter-spacing-t,var(--bkbg-iwc-st-letter-spacing-d,normal));word-spacing:var(--bkbg-iwc-st-word-spacing-t,var(--bkbg-iwc-st-word-spacing-d,normal))}}@media (max-width:767px){.bkbg-iwc-title{font-size:var(--bkbg-iwc-tt-font-size-m,var(--bkbg-iwc-tt-font-size-t,var(--bkbg-iwc-tt-font-size-d,var(--bkbg-iwc-title-sz,28px))));line-height:var(--bkbg-iwc-tt-line-height-m,var(--bkbg-iwc-tt-line-height-t,var(--bkbg-iwc-tt-line-height-d,1.2)));letter-spacing:var(--bkbg-iwc-tt-letter-spacing-m,var(--bkbg-iwc-tt-letter-spacing-t,var(--bkbg-iwc-tt-letter-spacing-d,normal)));word-spacing:var(--bkbg-iwc-tt-word-spacing-m,var(--bkbg-iwc-tt-word-spacing-t,var(--bkbg-iwc-tt-word-spacing-d,normal)))}.bkbg-iwc-subtitle{font-size:var(--bkbg-iwc-st-font-size-m,var(--bkbg-iwc-st-font-size-t,var(--bkbg-iwc-st-font-size-d,15px)));line-height:var(--bkbg-iwc-st-line-height-m,var(--bkbg-iwc-st-line-height-t,var(--bkbg-iwc-st-line-height-d,1.4)));letter-spacing:var(--bkbg-iwc-st-letter-spacing-m,var(--bkbg-iwc-st-letter-spacing-t,var(--bkbg-iwc-st-letter-spacing-d,normal)));word-spacing:var(--bkbg-iwc-st-word-spacing-m,var(--bkbg-iwc-st-word-spacing-t,var(--bkbg-iwc-st-word-spacing-d,normal)))}}@media (max-width:480px){.bkbg-iwc-toggle-grid{grid-template-columns:1fr}.bkbg-iwc-formula-grid{grid-template-columns:1fr}.bkbg-iwc-result-val{font-size:38px}}