#bk-app{--bk-mono:ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;--bk-u:42px;--bk-h:48px;--bk-gap:5px;--bk-rowgap:8px;--bk-fs:15px;--bk-band-pad:clamp(14px, 1.6vw, 22px);--color-white:var(--color-ink);--color-green-400:var(--gp-h-emerald);--color-red-400:var(--gp-h-rose);--color-amber-400:var(--gp-h-amber);--color-sky-400:var(--gp-h-cyan);--color-purple-400:var(--gp-h-violet)}#bk-app .gp-container--wide{max-width:min(94vw,1460px)}@media (width<=1359px){#bk-app .bk-workspace-row{grid-template-columns:minmax(0,1fr)}}@media (width<=1024px){#bk-app{--bk-u:37px;--bk-h:44px;--bk-gap:4px;--bk-rowgap:7px;--bk-fs:13.5px}}@media (width<=680px){#bk-app{--bk-u:30px;--bk-h:36px;--bk-gap:3px;--bk-rowgap:5px;--bk-fs:11px;--bk-band-pad:12px}}#bk-app [hidden]{display:none!important}#bk-app .font-mono{font-family:var(--bk-mono)}#bk-app :is(.gp-pill-label,.gp-metric-label,.gp-prog-label,.gp-result-label,.gp-kicker--muted,.gp-chipbtn:not(.is-active):not(:hover),.gp-btn--ghost:not(:hover):not(:focus-visible),.gp-privacy,.bk-legend,.bk-test-kicker,.bk-strip-lbl,.bk-head-note,.bk-target-kicker,.bk-target-hint,.bk-cons-field-label,.bk-diag-lbl,.bk-mod-lbl,.bk-setting-desc,.bk-result-note,.bk-ad-lbl,.bk-empty,.bk-log-table th){color:var(--color-body)}.bk-banner{border-bottom:1px solid var(--color-hairline);gap:10px;padding:1.25rem 1.5rem;display:grid}.bk-test-kicker{font-family:var(--bk-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--color-mute);font-size:11px;font-weight:800}.bk-test-title{letter-spacing:-.015em;color:var(--color-ink);text-wrap:balance;margin:0;font-size:clamp(20.9px,2.4vw,26.4px);font-weight:800}.bk-test-sub{max-width:52ch;color:var(--color-body);margin:0;font-size:14.3px;line-height:1.55}.bk-test-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:2px;display:flex}@media (width>=640px){#bk-app .bk-test-actions .gp-btn{text-transform:uppercase;letter-spacing:.05em;font-family:var(--bk-mono);font-size:13.2px;font-weight:700}}@media (width<=639px){#bk-app .bk-test-actions .gp-btn{flex:auto;min-height:44px}}.bk-board-band{padding:var(--bk-band-pad);background:radial-gradient(120% 100% at 50% 0%, color-mix(in srgb, var(--color-accent) 4%, transparent), transparent 62%), var(--color-canvas-soft-2);box-shadow:inset 0 2px 10px -6px color-mix(in srgb, var(--color-body) 55%, transparent)}.bk-board-scroll{-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;scrollbar-width:thin;padding-bottom:2px;overflow-x:auto}.bk-board{gap:var(--bk-rowgap);flex-direction:column;width:max-content;min-width:100%;margin-inline:auto;display:flex}.bk-vk-row{gap:var(--bk-gap);justify-content:center;display:flex}.bk-vk-key{height:var(--bk-h);width:var(--bk-u);background-color:var(--color-canvas);border:1px solid var(--color-hairline);min-width:0;box-shadow:0 1px 0 0 var(--color-hairline-strong);color:var(--color-body);font-family:var(--bk-mono);font-size:var(--bk-fs);cursor:pointer;user-select:none;border-bottom-width:2px;border-radius:8px;flex:none;place-items:center;padding-inline:5px;font-weight:600;transition:background-color 90ms,border-color 90ms,color 90ms,box-shadow 90ms,transform 70ms;display:grid}#bk-app .bk-vk-key.w-8{width:var(--bk-u)}#bk-app .bk-vk-key.w-10{width:calc(var(--bk-u) * 1.25)}#bk-app .bk-vk-key.w-12{width:calc(var(--bk-u) * 1.5)}#bk-app .bk-vk-key.w-14{width:calc(var(--bk-u) * 1.75)}#bk-app .bk-vk-key.w-18{width:calc(var(--bk-u) * 2.25)}#bk-app .bk-vk-key.w-20{width:calc(var(--bk-u) * 2.5)}#bk-app .bk-vk-key.w-64{width:calc(var(--bk-u) * 8)}.bk-vk-key:hover{background-color:var(--color-canvas);border-color:color-mix(in srgb, var(--color-accent) 45%, var(--color-hairline));color:var(--color-ink)}.bk-vk-key.is-active{background-color:var(--color-accent);border-color:var(--color-accent);color:var(--color-on-accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-accent) 22%, transparent);transform:translateY(1px)}.bk-vk-key.is-tested{background-color:var(--color-link-bg-soft);border-color:color-mix(in srgb, var(--color-link) 45%, transparent);color:var(--color-link-deep);box-shadow:none}.bk-vk-key.is-warning{background-color:var(--color-warning-soft);border-color:color-mix(in srgb, var(--color-warning) 45%, transparent);color:var(--color-warning-deep);box-shadow:none}.bk-vk-key.is-problem{background-color:var(--color-error-soft);border-color:color-mix(in srgb, var(--color-error) 55%, transparent);color:var(--color-error-deep);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-error) 40%, transparent), 0 0 14px color-mix(in srgb, var(--color-error) 35%, transparent);font-weight:800;animation:.9s ease-in-out infinite alternate bk-pulse}.bk-vk-key.is-target{border-color:var(--color-accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-accent) 50%, transparent);color:var(--color-ink)}@keyframes bk-pulse{0%{box-shadow:0 0 0 2px color-mix(in srgb, var(--color-error) 25%, transparent)}to{box-shadow:0 0 0 4px color-mix(in srgb, var(--color-error) 55%, transparent), 0 0 16px color-mix(in srgb, var(--color-error) 45%, transparent)}}.bk-legend{font-family:var(--bk-mono);color:var(--color-mute);flex-wrap:wrap;gap:4px 12px;font-size:11px;display:flex}.bk-leg-item{align-items:center;gap:5px;display:inline-flex}.bk-leg-dot{border:1px solid var(--color-hairline);border-radius:50%;width:8px;height:8px}.bk-leg-dot--untested{background:color-mix(in srgb, var(--color-ink) 15%, var(--color-canvas))}.bk-leg-dot--active{background:var(--color-accent);border-color:var(--color-accent)}.bk-leg-dot--tested{background:var(--color-link);border-color:var(--color-link)}.bk-leg-dot--warning{background:var(--color-warning);border-color:var(--color-warning)}.bk-leg-dot--problem{background:var(--color-error);border-color:var(--color-error)}.bk-untested-strip{border-top:1px dashed color-mix(in srgb, var(--color-ink) 22%, transparent);flex-wrap:wrap;align-items:baseline;gap:10px;margin-top:14px;padding-top:12px;display:flex}.bk-strip-lbl{font-family:var(--bk-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--color-mute);flex:none;font-size:10.5px;font-weight:800}.bk-untested-chips{scrollbar-width:thin;flex-wrap:wrap;flex:1;gap:5px;min-width:0;max-height:88px;display:flex;overflow-y:auto}.bk-untested-chip{background:var(--color-canvas);border:1px solid var(--color-hairline);color:var(--color-body);font-family:var(--bk-mono);cursor:pointer;border-radius:6px;padding:2px 8px;font-size:11px;font-weight:600;transition:border-color 90ms,color 90ms}.bk-untested-chip:hover{border-color:color-mix(in srgb, var(--color-accent) 55%, var(--color-hairline));color:var(--color-ink)}.bk-untested-empty{min-width:0;color:var(--gp-h-emerald);flex:1;padding:2px 0;font-size:13.2px;font-weight:700}.bk-target-card{border-color:color-mix(in srgb, var(--color-accent) 40%, var(--color-hairline));padding:1.1rem 1.5rem}.bk-target-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.bk-target-body{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.bk-target-display{flex:220px;min-width:0}.bk-target-kicker{font-family:var(--bk-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--color-mute);font-size:10.5px;font-weight:700}.bk-target-keycap{font-family:var(--bk-mono);color:var(--color-on-accent);background-color:var(--color-accent);box-shadow:0 6px 16px -8px color-mix(in srgb, var(--color-accent) 60%, transparent);overflow-wrap:anywhere;border-radius:10px;place-items:center;margin:8px 0;padding:4px 18px;font-size:28.6px;font-weight:800;display:inline-grid}.bk-target-label{font-family:var(--bk-mono);color:var(--color-body);font-size:12.7px;display:block}.bk-target-hint{color:var(--color-mute);margin:5px 0 0;font-size:12.7px}.bk-target-nav{flex-wrap:wrap;gap:6px;display:flex}.bk-head-note{font-family:var(--bk-mono);color:var(--color-mute);font-size:12.1px}.bk-result-card>*{position:relative}.gp-card--pad{padding:1.4rem 1.5rem}.bk-result-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;display:flex}#bk-app [data-bk-status]{font-family:var(--bk-mono);letter-spacing:.05em;text-transform:uppercase;font-weight:800}.bk-metric-val--red{color:var(--gp-h-rose)}.bk-metric-val--green{color:var(--gp-h-emerald)}.bk-metric-val--amber{color:var(--gp-h-amber)}.bk-metric-val--cyan{color:var(--gp-h-cyan)}#bk-app [data-bk-problem-count]{font-family:var(--bk-mono);letter-spacing:-.01em;font-variant-numeric:tabular-nums;font-size:1.34rem;font-weight:800;line-height:1.15}.gp-result-value[data-state=error]{color:var(--gp-h-rose)}.bk-result-note{color:var(--color-mute);margin:8px 0 0;font-size:12.7px;line-height:1.55}.bk-event-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.bk-event-tile{border:1px solid var(--color-hairline);background-color:var(--color-canvas);border-radius:12px;flex-direction:column;gap:3px;min-width:0;padding:8px 10px;display:flex}.bk-event-val{font-family:var(--bk-mono);color:var(--color-ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font-size:13.8px;font-weight:800}.bk-cons-body{flex-direction:column;gap:12px;display:flex}.bk-cons-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.bk-cons-controls-text{flex-wrap:wrap;align-items:center;gap:4px 8px;min-width:0;display:flex}.bk-cons-field-label{color:var(--color-mute);font-size:12.7px}.bk-cons-count-label{margin-left:8px}.bk-cons-key-val{font-family:var(--bk-mono);color:var(--color-ink);overflow-wrap:anywhere;font-size:14.3px;font-weight:800}.bk-cons-select{width:auto;padding:6px 10px;font-size:12.7px}.bk-cons-actions{flex-wrap:wrap;gap:8px;display:flex}.bk-cons-results{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}@media (width>=900px){.bk-cons-results{grid-template-columns:repeat(5,minmax(0,1fr))}}.bk-cons-results .gp-metric{flex-direction:row;justify-content:space-between;align-items:baseline;gap:6px;padding:10px 12px}.bk-cons-results .gp-metric-label{font-size:10.5px}.bk-cons-results .gp-metric-value{font-size:16.5px}@media (width<=639px){#bk-app .bk-cons-actions .gp-btn{min-height:44px}}.bk-diag-body{flex-direction:column;gap:10px;display:flex}.bk-diag-hero{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:14px;justify-content:space-between;align-items:center;gap:10px;min-width:0;padding:10px 14px;display:flex}.bk-diag-key{font-family:var(--bk-mono);color:var(--color-ink);overflow-wrap:anywhere;font-size:22px;font-weight:800}#bk-app [data-bk-diag-status]{font-family:var(--bk-mono);text-align:right;font-size:12.7px}.bk-diag-status{color:var(--color-mute)}.bk-diag-grid{grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:6px;min-width:0;font-size:12.7px;display:grid}.bk-diag-grid>div{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:10px;min-width:0;padding:6px 9px}.bk-diag-span2{grid-column:1/-1}.bk-diag-lbl{color:var(--color-mute)}#bk-app [data-bk-diag-issue]{overflow-wrap:anywhere}.bk-diag-val{font-family:var(--bk-mono);color:var(--color-ink);font-size:12.7px;font-weight:700}.bk-mod-grid{grid-template-columns:repeat(auto-fit,minmax(124px,1fr));gap:6px;display:grid}.bk-mod-item{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:12px;justify-content:space-between;align-items:center;gap:8px;min-width:0;padding:7px 10px;display:flex}.bk-mod-span2{grid-column:1/-1}.bk-mod-lbl{font-family:var(--bk-mono);letter-spacing:.06em;color:var(--color-mute);font-size:11px;font-weight:700}.bk-mod-state{font-family:var(--bk-mono);color:var(--color-body);font-size:11.6px;font-weight:600}.bk-mod-state.is-pass,.bk-mod-state.is-on,.bk-mod-state.is-on-caps{color:var(--gp-h-emerald);font-weight:800}.bk-log-filters{border-bottom:1px solid var(--color-hairline);scrollbar-width:thin;gap:6px;padding:10px 1.5rem;display:flex;overflow-x:auto}.bk-log-filters .gp-chipbtn{border-radius:999px;flex:none;padding:4px 12px;font-size:11.6px}.bk-log-body,.bk-activity-body{scrollbar-width:thin;max-height:260px;padding:10px 12px;overflow:auto}.bk-log-table{border-collapse:collapse;text-align:left;table-layout:auto;width:100%;font-size:12.1px}.bk-log-table th{background:var(--color-canvas-soft-2);border-bottom:1px solid var(--color-hairline);font-family:var(--bk-mono);letter-spacing:.06em;color:var(--color-mute);padding:6px 8px;font-size:9.9px;font-weight:800}.bk-log-table td{border-bottom:1px solid color-mix(in srgb, var(--color-ink) 6%, var(--color-hairline));overflow-wrap:anywhere;padding:5px 8px}.bk-log-row td,.bk-act-row td{border-bottom:1px solid color-mix(in srgb, var(--color-ink) 6%, var(--color-hairline))}#bk-app .bk-log-row :is(th,td),#bk-app .bk-act-row :is(th,td){overflow-wrap:anywhere}.bk-log-empty,.bk-activity-empty{text-align:center;color:var(--color-mute);border:1px dashed var(--color-hairline-strong);border-radius:12px;margin-top:8px;padding:18px 14px;font-size:13.2px}#bk-app .bk-empty,#bk-app .bk-row-empty{overflow-wrap:anywhere}.bk-badge{font-family:var(--bk-mono);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border:1px solid var(--color-hairline);background:var(--color-canvas-soft-2);color:var(--color-body);border-radius:6px;padding:2px 7px;font-size:10.5px;font-weight:800;display:inline-block}.bk-badge--cyan{background:color-mix(in srgb, var(--gp-h-cyan) 12%, var(--color-canvas));border-color:color-mix(in srgb, var(--gp-h-cyan) 42%, var(--color-hairline));color:var(--gp-h-cyan)}.bk-badge--green{background:color-mix(in srgb, var(--gp-h-emerald) 12%, var(--color-canvas));border-color:color-mix(in srgb, var(--gp-h-emerald) 42%, var(--color-hairline));color:var(--gp-h-emerald)}.bk-badge--amber{background:color-mix(in srgb, var(--gp-h-amber) 14%, var(--color-canvas));border-color:color-mix(in srgb, var(--gp-h-amber) 45%, var(--color-hairline));color:var(--gp-h-amber)}.bk-badge--red{background:color-mix(in srgb, var(--gp-h-rose) 13%, var(--color-canvas));border-color:color-mix(in srgb, var(--gp-h-rose) 45%, var(--color-hairline));color:var(--gp-h-rose)}.bk-badge--purple{background:color-mix(in srgb, var(--gp-h-violet) 12%, var(--color-canvas));border-color:color-mix(in srgb, var(--gp-h-violet) 42%, var(--color-hairline));color:var(--gp-h-violet)}.bk-settings-body{flex-direction:column;gap:10px;display:flex}.bk-setting-info{flex-direction:column;gap:1px;min-width:0;display:flex}.bk-setting-desc{color:var(--color-mute);font-size:11.6px}.bk-btn-text{color:var(--color-body);font-family:var(--bk-mono);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:4px 8px;font-size:11.6px;font-weight:600}.bk-btn-text:hover{color:var(--color-ink);background:var(--color-canvas-soft-2)}.bk-ad-slot{background:color-mix(in srgb, var(--gp-h-violet) 5%, var(--color-canvas-soft));border:1px dashed color-mix(in srgb, var(--gp-h-violet) 35%, var(--color-hairline));border-radius:16px;flex-direction:column;gap:4px;min-width:0;padding:14px;display:flex}.bk-ad-lbl{font-family:var(--bk-mono);letter-spacing:.12em;color:var(--color-mute);font-size:9.9px;font-weight:800}.bk-ad-text{color:var(--color-body);font-size:13.2px;line-height:1.5}.bk-modal-backdrop{z-index:999;background-color:color-mix(in srgb, var(--color-ink) 55%, transparent);backdrop-filter:blur(4px);place-items:center;padding:16px;display:grid;position:fixed;inset:0}.bk-modal-card{background:var(--color-canvas);border:1px solid var(--color-hairline-strong);width:100%;max-width:440px;box-shadow:0 24px 60px -24px color-mix(in srgb, var(--color-ink) 45%, transparent);border-radius:24px;flex-direction:column;gap:14px;padding:20px;display:flex}.bk-modal-head{flex-direction:column;align-items:flex-start;gap:6px;display:flex}.bk-modal-title{color:var(--color-ink);margin:0;font-size:18.2px;font-weight:700}.bk-modal-body{flex-direction:column;gap:6px;display:flex}.bk-modal-text{color:var(--color-body);overflow-wrap:anywhere;margin:0;font-size:14.9px;line-height:1.55}.bk-modal-text--sub{color:var(--color-mute);font-size:13.2px}.bk-modal-card [data-bk-confirm-key]{border:1px solid var(--color-hairline);background:var(--color-canvas-soft-2);font-family:var(--bk-mono);color:var(--color-ink);overflow-wrap:anywhere;border-bottom-width:2px;border-radius:6px;align-items:center;padding:1px 8px;font-size:13.8px;font-weight:800;display:inline-flex}.bk-modal-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}@media (width<=480px){.bk-modal-actions .gp-btn{flex:auto}}.gp-howto{margin-top:1.5rem}.bk-guide-section{background-color:var(--color-canvas-soft);border-bottom:1px solid var(--color-hairline);padding:3.5rem 0}.bk-guide-section .container-page,.bk-related-section .container-page,.bk-faq-section .container-page{min-width:0}.bk-guide-head{border-bottom:1px solid var(--color-hairline);margin-bottom:28px;padding-bottom:20px}.bk-guide-title{letter-spacing:-.025em;color:var(--color-ink);margin:0 0 10px;font-size:clamp(24.2px,3.2vw,33px);font-weight:800}.bk-guide-lead{max-width:740px;color:var(--color-body);text-wrap:pretty;margin:0;font-size:16.5px;line-height:1.6}.bk-guide-grid{grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:16px;display:grid}@media (width>=768px){.bk-guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.bk-guide-card .gp-card-body{flex-direction:column;gap:10px;display:flex}.bk-guide-card--full{grid-column:1/-1}.bk-guide-kicker{font-family:var(--font-mono);letter-spacing:.12em;color:var(--gp-h-blue);font-size:11px;font-weight:800}.bk-guide-card h3{color:var(--color-ink);margin:0;font-size:19.8px;font-weight:700}.bk-guide-card p{color:var(--color-body);margin:0;font-size:14.9px;line-height:1.6}.bk-signs-grid{grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:10px;display:grid}@media (width>=640px){.bk-signs-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=1024px){.bk-signs-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.bk-sign-box{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:14px;min-width:0;padding:12px 14px}.bk-sign-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.bk-sign-title{letter-spacing:.04em;color:var(--color-ink);font-size:12.1px;font-weight:700}.bk-sign-desc{color:var(--color-body);margin:6px 0 0;font-size:13.2px;line-height:1.5}.bk-sign-tag{font-family:var(--font-mono);letter-spacing:.04em;color:var(--sg-color,var(--color-mute));border:1px solid color-mix(in srgb, var(--sg-color,var(--color-mute)) 35%, var(--color-hairline));background:color-mix(in srgb, var(--sg-color,var(--color-mute)) 8%, var(--color-canvas));border-radius:999px;padding:2px 7px;font-size:9.9px;font-weight:800}.bk-steps-list{flex-direction:column;gap:8px;display:flex}.bk-step-row{background:var(--color-canvas-soft-2);border:1px solid var(--color-hairline);border-radius:12px;align-items:flex-start;gap:10px;min-width:0;padding:8px 10px;display:flex}.bk-step-num{font-family:var(--font-mono);color:var(--gp-h-cyan);flex:none;padding-top:1px;font-size:12.1px;font-weight:800}.bk-step-num--alt{color:var(--gp-h-violet)}.bk-step-title{color:var(--color-ink);font-size:13.8px;font-weight:700;display:block}.bk-step-desc{color:var(--color-body);margin:2px 0 0;font-size:13.2px;line-height:1.5}.bk-faq-wrapper{margin-top:8px}.bk-faq-title{letter-spacing:-.015em;color:var(--color-ink);margin:0 0 20px;font-size:24.2px;font-weight:800}.bk-faq-accordion{flex-direction:column;gap:10px;display:flex}.bk-faq-item{padding:0;transition:border-color .16s}.bk-faq-item.is-open{border-color:color-mix(in srgb, var(--color-accent) 45%, var(--color-hairline))}.bk-faq-trigger{cursor:pointer;text-align:left;width:100%;color:var(--color-ink);background:0 0;border:none;justify-content:space-between;align-items:center;gap:16px;padding:15px 18px;display:flex}.bk-faq-q{font-size:15.4px;font-weight:600}.bk-faq-ic{color:var(--color-mute);flex-shrink:0;transition:transform .2s,color .2s;display:inline-flex}.bk-faq-item.is-open .bk-faq-ic,.bk-faq-trigger[aria-expanded=true] .bk-faq-ic{color:var(--gp-h-blue);transform:rotate(180deg)}.bk-faq-body{padding:0 18px 16px}.bk-faq-body[hidden]{display:none}.bk-faq-body p{color:var(--color-body);margin:0;font-size:14.9px;line-height:1.6}.bk-log-table th,.bk-log-table td{overflow-wrap:anywhere}