.bkbg-tst-app{font-family:system-ui,-apple-system,sans-serif;box-sizing:border-box}.bkbg-tst-wrap{border-radius:12px;padding:28px;margin:0 auto}.bkbg-tst-title{font-family:var(--bktst-tt-ff,inherit);font-size:var(--bktst-tt-fsd,26px);line-height:var(--bktst-tt-lhd,1.2);letter-spacing:var(--bktst-tt-lsd,normal);word-spacing:var(--bktst-tt-wsd,normal);font-weight:var(--bktst-tt-fw,700);font-style:var(--bktst-tt-fst,normal);text-decoration:var(--bktst-tt-td,none);text-transform:var(--bktst-tt-tt,none);margin:0 0 6px}.bkbg-tst-subtitle{font-family:var(--bktst-st-ff,inherit);font-size:var(--bktst-st-fsd,15px);line-height:var(--bktst-st-lhd,1.4);letter-spacing:var(--bktst-st-lsd,normal);word-spacing:var(--bktst-st-wsd,normal);font-weight:var(--bktst-st-fw,normal);font-style:var(--bktst-st-fst,normal);text-decoration:var(--bktst-st-td,none);text-transform:var(--bktst-st-tt,none);margin:0 0 22px}.bkbg-tst-stats{display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;border-radius:10px;padding:18px 20px;margin-bottom:14px;box-shadow:0 2px 8px rgb(0 0 0 / .06)}.bkbg-tst-stat{text-align:center;flex:1;min-width:70px}.bkbg-tst-stat-val{font-size:28px;font-weight:700;line-height:1.2;transition:color .2s}.bkbg-tst-stat-lbl{font-size:12px;margin-top:3px;opacity:.65}.bkbg-tst-timer-ring{position:relative;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;margin:0 auto}.bkbg-tst-timer-ring svg{position:absolute;top:0;left:0;transform:rotate(-90deg)}.bkbg-tst-timer-ring circle{fill:none;stroke-width:4;stroke-linecap:round;transition:stroke-dashoffset 1s linear}.bkbg-tst-diff-btns{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.bkbg-tst-diff-btn{border:none;border-radius:6px;padding:6px 18px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,color .15s}.bkbg-tst-text-box{border-radius:10px;padding:20px;font-family:'Courier New',Courier,monospace;font-size:17px;line-height:1.9;letter-spacing:.02em;min-height:100px;margin-bottom:14px;box-shadow:0 2px 8px rgb(0 0 0 / .06);user-select:none;position:relative;overflow:hidden}.bkbg-tst-char{position:relative;display:inline}.bkbg-tst-char-error{border-radius:2px}.bkbg-tst-char-cursor{position:relative}.bkbg-tst-char-cursor:before{content:'';position:absolute;left:0;top:2px;bottom:2px;width:2px;border-radius:1px;animation:bkbg-tst-blink 1s step-end infinite}@keyframes bkbg-tst-blink{0%,100%{opacity:1}50%{opacity:0}}.bkbg-tst-input{width:100%;border-radius:8px;padding:14px;font-size:15px;font-family:'Courier New',Courier,monospace;resize:none;height:80px;box-sizing:border-box;outline:none;border:2px solid;transition:border-color .2s;margin-bottom:16px}.bkbg-tst-input:focus{box-shadow:0 0 0 3px rgb(139 92 246 / .15)}.bkbg-tst-input:disabled{opacity:.55;cursor:default}.bkbg-tst-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.bkbg-tst-btn{border:none;border-radius:8px;padding:11px 28px;font-size:15px;font-weight:700;cursor:pointer;color:#fff;transition:filter .15s,transform .1s}.bkbg-tst-btn:hover{filter:brightness(.9);transform:scale(1.02)}.bkbg-tst-btn-outline{background:0 0!important;border:2px solid}.bkbg-tst-results{display:none;text-align:center;padding:28px 20px;border-radius:10px;box-shadow:0 2px 8px rgb(0 0 0 / .06);margin-bottom:16px}.bkbg-tst-results.bkbg-tst-show{display:block}.bkbg-tst-results-icon{font-size:48px;margin-bottom:10px}.bkbg-tst-results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}.bkbg-tst-result-item{border-radius:8px;padding:14px 10px}.bkbg-tst-result-val{font-size:32px;font-weight:700;line-height:1.1}.bkbg-tst-result-lbl{font-size:12px;opacity:.65;margin-top:4px}.bkbg-tst-rank{display:inline-block;border-radius:20px;padding:5px 18px;font-size:14px;font-weight:700;margin-top:8px;color:#fff}.bkbg-tst-time-bar-wrap{height:6px;border-radius:3px;background:#e5e7eb;margin-bottom:14px;overflow:hidden}.bkbg-tst-time-bar{height:100%;border-radius:3px;transition:width 1s linear}@media (max-width:1024px){.bkbg-tst-title{font-size:var(--bktst-tt-fst1,var(--bktst-tt-fsd,26px));line-height:var(--bktst-tt-lht,var(--bktst-tt-lhd,1.2));letter-spacing:var(--bktst-tt-lst,var(--bktst-tt-lsd,normal));word-spacing:var(--bktst-tt-wst,var(--bktst-tt-wsd,normal))}.bkbg-tst-subtitle{font-size:var(--bktst-st-fst1,var(--bktst-st-fsd,15px));line-height:var(--bktst-st-lht,var(--bktst-st-lhd,1.4));letter-spacing:var(--bktst-st-lst,var(--bktst-st-lsd,normal));word-spacing:var(--bktst-st-wst,var(--bktst-st-wsd,normal))}}@media (max-width:767px){.bkbg-tst-title{font-size:var(--bktst-tt-fsm,var(--bktst-tt-fst1,var(--bktst-tt-fsd,26px)));line-height:var(--bktst-tt-lhm,var(--bktst-tt-lht,var(--bktst-tt-lhd,1.2)));letter-spacing:var(--bktst-tt-lsm,var(--bktst-tt-lst,var(--bktst-tt-lsd,normal)));word-spacing:var(--bktst-tt-wsm,var(--bktst-tt-wst,var(--bktst-tt-wsd,normal)))}.bkbg-tst-subtitle{font-size:var(--bktst-st-fsm,var(--bktst-st-fst1,var(--bktst-st-fsd,15px)));line-height:var(--bktst-st-lhm,var(--bktst-st-lht,var(--bktst-st-lhd,1.4)));letter-spacing:var(--bktst-st-lsm,var(--bktst-st-lst,var(--bktst-st-lsd,normal)));word-spacing:var(--bktst-st-wsm,var(--bktst-st-wst,var(--bktst-st-wsd,normal)))}}@media (max-width:480px){.bkbg-tst-wrap{padding:16px}.bkbg-tst-text-box{font-size:15px}.bkbg-tst-results-grid{grid-template-columns:1fr 1fr}.bkbg-tst-stat-val{font-size:22px}}