.bkbg-sw-wrap{box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;padding:32px 24px;border-radius:16px;max-width:var(--sw-max-width,560px);margin:0 auto;text-align:center}.bkbg-sw-wrap h3.bkbg-sw-title{font-family:var(--bksw-tt-font-family,inherit);font-size:var(--bksw-tt-font-size-d,26px);font-weight:var(--bksw-tt-font-weight,700);font-style:var(--bksw-tt-font-style,normal);text-decoration:var(--bksw-tt-text-decoration,none);text-transform:var(--bksw-tt-text-transform,none);line-height:var(--bksw-tt-line-height-d,1.25);letter-spacing:var(--bksw-tt-letter-spacing-d,normal);word-spacing:var(--bksw-tt-word-spacing-d,normal);color:var(--sw-title-color,#111827);margin:0 0 5px}.bkbg-sw-subtitle{font-family:var(--bksw-st-font-family,inherit);font-size:var(--bksw-st-font-size-d,14px);font-weight:var(--bksw-st-font-weight,400);font-style:var(--bksw-st-font-style,normal);text-decoration:var(--bksw-st-text-decoration,none);text-transform:var(--bksw-st-text-transform,none);line-height:var(--bksw-st-line-height-d,1.5);letter-spacing:var(--bksw-st-letter-spacing-d,normal);word-spacing:var(--bksw-st-word-spacing-d,normal);color:var(--sw-subtitle-color,#6b7280);margin:0 0 4px}.bkbg-sw-clock{background:var(--sw-clock-bg,#1e1b4b);border-radius:20px;padding:28px 20px;margin:18px auto;font-family:'Courier New',Courier,monospace;font-size:var(--sw-clock-size,64px);font-weight:700;color:var(--sw-clock-color,#e0e7ff);letter-spacing:.07em;line-height:1;user-select:none}.bkbg-sw-clock .sw-ms{font-size:.48em;opacity:.8}.bkbg-sw-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}.bkbg-sw-btn{padding:11px 24px;border-radius:10px;border:none;color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:opacity .15s,transform .1s}.bkbg-sw-btn:hover{opacity:.88}.bkbg-sw-btn:active{transform:scale(.96)}.bkbg-sw-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.bkbg-sw-laps{border-radius:12px;overflow:hidden;border:1.5px solid #e5e7eb;text-align:left;background:var(--sw-card-bg,#fff);max-height:320px;overflow-y:auto}.bkbg-sw-laps-head{display:flex;font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--sw-label-color,#374151);background:#f9fafb;padding:8px 14px;gap:10px;position:sticky;top:0}.bkbg-sw-laps-empty{padding:20px;text-align:center;font-size:13px;color:var(--sw-label-color,#374151);opacity:.5}.bkbg-sw-lap-row{display:flex;padding:9px 14px;gap:10px;font-size:13px;color:var(--sw-label-color,#374151);border-top:1px solid #f3f4f6;font-family:'Courier New',Courier,monospace;transition:background .12s}.bkbg-sw-lap-row:hover{background:#f9fafb}.bkbg-sw-lap-num{width:32px;font-weight:700;color:var(--sw-accent,#6366f1)}.bkbg-sw-lap-split{flex:1}.bkbg-sw-lap-total{flex:1;text-align:right;color:var(--sw-accent,#6366f1)}@media (max-width:1024px){.bkbg-sw-wrap h3.bkbg-sw-title{font-size:var(--bksw-tt-font-size-t,var(--bksw-tt-font-size-d,26px));line-height:var(--bksw-tt-line-height-t,var(--bksw-tt-line-height-d,1.25));letter-spacing:var(--bksw-tt-letter-spacing-t,var(--bksw-tt-letter-spacing-d,normal));word-spacing:var(--bksw-tt-word-spacing-t,var(--bksw-tt-word-spacing-d,normal))}.bkbg-sw-subtitle{font-size:var(--bksw-st-font-size-t,var(--bksw-st-font-size-d,14px));line-height:var(--bksw-st-line-height-t,var(--bksw-st-line-height-d,1.5));letter-spacing:var(--bksw-st-letter-spacing-t,var(--bksw-st-letter-spacing-d,normal));word-spacing:var(--bksw-st-word-spacing-t,var(--bksw-st-word-spacing-d,normal))}}@media (max-width:767px){.bkbg-sw-wrap h3.bkbg-sw-title{font-size:var(--bksw-tt-font-size-m,var(--bksw-tt-font-size-t,var(--bksw-tt-font-size-d,26px)));line-height:var(--bksw-tt-line-height-m,var(--bksw-tt-line-height-t,var(--bksw-tt-line-height-d,1.25)));letter-spacing:var(--bksw-tt-letter-spacing-m,var(--bksw-tt-letter-spacing-t,var(--bksw-tt-letter-spacing-d,normal)));word-spacing:var(--bksw-tt-word-spacing-m,var(--bksw-tt-word-spacing-t,var(--bksw-tt-word-spacing-d,normal)))}.bkbg-sw-subtitle{font-size:var(--bksw-st-font-size-m,var(--bksw-st-font-size-t,var(--bksw-st-font-size-d,14px)));line-height:var(--bksw-st-line-height-m,var(--bksw-st-line-height-t,var(--bksw-st-line-height-d,1.5)));letter-spacing:var(--bksw-st-letter-spacing-m,var(--bksw-st-letter-spacing-t,var(--bksw-st-letter-spacing-d,normal)));word-spacing:var(--bksw-st-word-spacing-m,var(--bksw-st-word-spacing-t,var(--bksw-st-word-spacing-d,normal)))}}@media (max-width:480px){.bkbg-sw-wrap{padding:20px 12px}.bkbg-sw-clock{font-size:48px;padding:20px 14px}.bkbg-sw-btn{padding:9px 16px;font-size:13px}}