.bkbg-spd-wrap{box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;padding:32px 24px;border-radius:14px;max-width:var(--spd-max-width,680px);margin:0 auto}.bkbg-spd-title{font-family:var(--bkspd-tt-font-family,inherit);font-size:var(--bkspd-tt-font-size-d,26px);font-weight:var(--bkspd-tt-font-weight,700);font-style:var(--bkspd-tt-font-style,normal);text-decoration:var(--bkspd-tt-text-decoration,none);text-transform:var(--bkspd-tt-text-transform,none);line-height:var(--bkspd-tt-line-height-d,1.25);letter-spacing:var(--bkspd-tt-letter-spacing-d,normal);word-spacing:var(--bkspd-tt-word-spacing-d,normal);color:var(--spd-title-color,#111827);margin:0 0 5px}.bkbg-spd-wrap h3.bkbg-spd-title{font-family:var(--bkspd-tt-font-family);font-size:var(--bkspd-tt-font-size-d,26px);font-weight:var(--bkspd-tt-font-weight,700);font-style:var(--bkspd-tt-font-style,normal);text-decoration:var(--bkspd-tt-text-decoration,none);text-transform:var(--bkspd-tt-text-transform,none);line-height:var(--bkspd-tt-line-height-d,1.25);letter-spacing:var(--bkspd-tt-letter-spacing-d,normal);word-spacing:var(--bkspd-tt-word-spacing-d,normal)}.bkbg-spd-subtitle{font-family:var(--bkspd-st-font-family,inherit);font-size:var(--bkspd-st-font-size-d,14px);font-weight:var(--bkspd-st-font-weight,normal);font-style:var(--bkspd-st-font-style,normal);text-decoration:var(--bkspd-st-text-decoration,none);text-transform:var(--bkspd-st-text-transform,none);line-height:var(--bkspd-st-line-height-d,1.5);letter-spacing:var(--bkspd-st-letter-spacing-d,normal);word-spacing:var(--bkspd-st-word-spacing-d,normal);color:var(--spd-subtitle-color,#6b7280);margin:0 0 24px}.bkbg-spd-tab-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--spd-label-color,#374151);margin-bottom:8px}.bkbg-spd-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.bkbg-spd-tab{padding:7px 18px;border-radius:9px;border:2px solid #e5e7eb;background:#fff0;color:var(--spd-label-color,#374151);font-weight:500;font-size:13px;cursor:pointer;transition:background .15s,border-color .15s,color .15s;line-height:1.4}.bkbg-spd-tab:hover{border-color:var(--spd-accent,#3b82f6);color:var(--spd-accent,#3b82f6)}.bkbg-spd-tab.active{background:var(--spd-accent,#3b82f6);border-color:var(--spd-accent,#3b82f6);color:#fff;font-weight:700}.bkbg-spd-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:20px}.bkbg-spd-field{border-radius:12px;padding:16px;border:2px solid #e5e7eb;transition:border-color .15s,box-shadow .15s}.bkbg-spd-field:focus-within{border-color:var(--spd-accent,#3b82f6);box-shadow:0 0 0 3px rgb(59 130 246 / .12)}.bkbg-spd-field.is-result{border-color:var(--spd-result-border,#3b82f6);background:var(--spd-result-bg,#dbeafe)!important}.bkbg-spd-field-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px}.bkbg-spd-input{width:100%;box-sizing:border-box;border:1.5px solid #e5e7eb;border-radius:8px;padding:9px 11px;font-size:16px;font-weight:600;color:var(--spd-label-color,#374151);background:var(--spd-input-bg,#f8fafc);margin-bottom:8px;outline:none;transition:border-color .15s}.bkbg-spd-input:focus{border-color:var(--spd-accent,#3b82f6)}.bkbg-spd-input:disabled{background:#fff0;border-color:#fff0;cursor:default;font-size:28px;font-weight:700;padding:4px 0}.bkbg-spd-unit-select{width:100%;box-sizing:border-box;border:1.5px solid #e5e7eb;border-radius:7px;padding:6px 8px;font-size:13px;background:var(--spd-input-bg,#f8fafc);color:var(--spd-label-color,#374151);cursor:pointer;outline:none}.bkbg-spd-calc-btn{width:100%;padding:12px;border-radius:10px;border:none;background:var(--spd-accent,#3b82f6);color:#fff;font-size:15px;font-weight:700;cursor:pointer;margin-bottom:20px;transition:opacity .15s,transform .1s}.bkbg-spd-calc-btn:hover{opacity:.9}.bkbg-spd-calc-btn:active{transform:scale(.98)}.bkbg-spd-conversions{background:var(--spd-card-bg,#fff);border-radius:12px;border:1.5px solid #e5e7eb;padding:14px 16px;margin-bottom:16px}.bkbg-spd-conv-heading{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--spd-label-color,#374151);margin-bottom:10px}.bkbg-spd-conv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}.bkbg-spd-conv-item{background:#f3f4f6;border-radius:8px;padding:8px 12px}.bkbg-spd-conv-unit{font-size:11px;color:var(--spd-label-color,#374151);margin-bottom:2px;text-transform:uppercase;letter-spacing:.04em}.bkbg-spd-conv-val{font-size:15px;font-weight:700;color:var(--spd-accent,#3b82f6)}.bkbg-spd-formula{background:var(--spd-card-bg,#fff);border-radius:10px;border:1.5px solid #e5e7eb;padding:12px 16px;display:flex;gap:20px;flex-wrap:wrap;justify-content:center;align-items:center;margin-bottom:16px}.bkbg-spd-formula-item{font-size:13px;font-weight:600}.bkbg-spd-examples{background:var(--spd-card-bg,#fff);border-radius:12px;border:1.5px solid #e5e7eb;padding:14px 16px}.bkbg-spd-examples-heading{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--spd-label-color,#374151);margin-bottom:10px}.bkbg-spd-example-row{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px solid #f3f4f6;font-size:13px;color:var(--spd-label-color,#374151)}.bkbg-spd-example-row:last-child{border-bottom:none}.bkbg-spd-example-row strong{margin-left:auto;color:var(--spd-accent,#3b82f6)}@media (max-width:1024px){.bkbg-spd-title{font-size:var(--bkspd-tt-font-size-t,var(--bkspd-tt-font-size-d,26px));line-height:var(--bkspd-tt-line-height-t,var(--bkspd-tt-line-height-d,1.25));letter-spacing:var(--bkspd-tt-letter-spacing-t,var(--bkspd-tt-letter-spacing-d,normal));word-spacing:var(--bkspd-tt-word-spacing-t,var(--bkspd-tt-word-spacing-d,normal))}.bkbg-spd-wrap h3.bkbg-spd-title{font-size:var(--bkspd-tt-font-size-t,var(--bkspd-tt-font-size-d,26px));line-height:var(--bkspd-tt-line-height-t,var(--bkspd-tt-line-height-d,1.25));letter-spacing:var(--bkspd-tt-letter-spacing-t,var(--bkspd-tt-letter-spacing-d,normal));word-spacing:var(--bkspd-tt-word-spacing-t,var(--bkspd-tt-word-spacing-d,normal))}.bkbg-spd-subtitle{font-size:var(--bkspd-st-font-size-t,var(--bkspd-st-font-size-d,14px));line-height:var(--bkspd-st-line-height-t,var(--bkspd-st-line-height-d,1.5));letter-spacing:var(--bkspd-st-letter-spacing-t,var(--bkspd-st-letter-spacing-d,normal));word-spacing:var(--bkspd-st-word-spacing-t,var(--bkspd-st-word-spacing-d,normal))}}@media (max-width:767px){.bkbg-spd-title{font-size:var(--bkspd-tt-font-size-m,var(--bkspd-tt-font-size-t,var(--bkspd-tt-font-size-d,26px)));line-height:var(--bkspd-tt-line-height-m,var(--bkspd-tt-line-height-t,var(--bkspd-tt-line-height-d,1.25)));letter-spacing:var(--bkspd-tt-letter-spacing-m,var(--bkspd-tt-letter-spacing-t,var(--bkspd-tt-letter-spacing-d,normal)));word-spacing:var(--bkspd-tt-word-spacing-m,var(--bkspd-tt-word-spacing-t,var(--bkspd-tt-word-spacing-d,normal)))}.bkbg-spd-wrap h3.bkbg-spd-title{font-size:var(--bkspd-tt-font-size-m,var(--bkspd-tt-font-size-t,var(--bkspd-tt-font-size-d,26px)));line-height:var(--bkspd-tt-line-height-m,var(--bkspd-tt-line-height-t,var(--bkspd-tt-line-height-d,1.25)));letter-spacing:var(--bkspd-tt-letter-spacing-m,var(--bkspd-tt-letter-spacing-t,var(--bkspd-tt-letter-spacing-d,normal)));word-spacing:var(--bkspd-tt-word-spacing-m,var(--bkspd-tt-word-spacing-t,var(--bkspd-tt-word-spacing-d,normal)))}.bkbg-spd-subtitle{font-size:var(--bkspd-st-font-size-m,var(--bkspd-st-font-size-t,var(--bkspd-st-font-size-d,14px)));line-height:var(--bkspd-st-line-height-m,var(--bkspd-st-line-height-t,var(--bkspd-st-line-height-d,1.5)));letter-spacing:var(--bkspd-st-letter-spacing-m,var(--bkspd-st-letter-spacing-t,var(--bkspd-st-letter-spacing-d,normal)));word-spacing:var(--bkspd-st-word-spacing-m,var(--bkspd-st-word-spacing-t,var(--bkspd-st-word-spacing-d,normal)))}}@media (max-width:520px){.bkbg-spd-wrap{padding:20px 14px}.bkbg-spd-inputs{grid-template-columns:1fr}.bkbg-spd-formula{flex-direction:column;align-items:flex-start;gap:6px}.bkbg-spd-conv-grid{grid-template-columns:repeat(2,1fr)}}