.bt-main{--bt-good:var(--imo-success,#059669);--bt-warn:var(--imo-warning,#d97706);--bt-bad:var(--imo-danger,#dc2626);--bt-info:var(--imo-primary,#145df5);--bt-good-wash:color-mix(in srgb,var(--bt-good) 12%,var(--imo-surface));--bt-warn-wash:color-mix(in srgb,var(--bt-warn) 13%,var(--imo-surface));--bt-bad-wash:color-mix(in srgb,var(--bt-bad) 12%,var(--imo-surface));--bt-info-wash:color-mix(in srgb,var(--bt-info) 10%,var(--imo-surface));--bt-radius:var(--imo-radius-lg,14px);background:var(--imo-bg);padding-block:28px 64px}.bt-shell{max-width:1180px;margin:0 auto;padding-inline:20px;display:grid;gap:20px}.bt-main [hidden]{display:none!important}.bt-visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.bt-crumbs{display:flex;gap:8px;align-items:center;font-size:var(--imo-font-size-sm);color:var(--imo-text-muted)}.bt-crumbs a{color:var(--imo-text-secondary);text-decoration:none}.bt-crumbs a:hover{color:var(--imo-primary)}.bt-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px 24px}.bt-head__copy{display:grid;gap:8px;max-width:70ch;min-width:0}.bt-head h1{margin:0;font-family:var(--imo-font-display);font-size:clamp(1.75rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.015em;line-height:1.1;text-wrap:balance;color:var(--imo-text)}.bt-head p{margin:0;color:var(--imo-text-secondary);font-size:var(--imo-font-size-lg);line-height:1.5}.bt-local{display:inline-flex;align-items:center;gap:8px;margin:0;padding:7px 12px;border-radius:999px;font-size:var(--imo-font-size-sm);white-space:nowrap;color:var(--bt-good);background:var(--bt-good-wash);border:1px solid color-mix(in srgb,var(--bt-good) 28%,transparent)}.bt-local[data-state="loading"]{color:var(--imo-text-secondary);background:var(--imo-surface);border-color:var(--imo-border)}.bt-local[data-state="loading"] svg{animation:bt-pulse 1.2s ease-in-out infinite}.bt-local[data-state="error"]{color:var(--bt-bad);background:var(--bt-bad-wash);border-color:color-mix(in srgb,var(--bt-bad) 30%,transparent);white-space:normal}.bt-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;counter-reset:bt-step}.bt-steps li{display:flex;align-items:center;gap:10px;min-width:0;padding:10px 12px;border-radius:var(--imo-radius);border:1px solid var(--imo-border);background:var(--imo-surface);color:var(--imo-text-muted);font-size:var(--imo-font-size-sm)}.bt-steps li::before{counter-increment:bt-step;content:counter(bt-step);flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:12px;border:1.5px solid currentColor}.bt-steps li span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bt-steps li.is-now{color:var(--imo-text);border-color:var(--imo-primary);box-shadow:0 0 0 3px var(--imo-accent-glow)}.bt-steps li.is-now::before{background:var(--imo-primary);border-color:var(--imo-primary);color:var(--imo-on-accent,#fff)}.bt-steps li.is-done{color:var(--bt-good)}.bt-steps li.is-done::before{content:"\2713";background:var(--bt-good-wash)}.bt-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.25fr);gap:16px;align-items:start}.bt-panel{background:var(--imo-surface);border:1px solid var(--imo-border);border-radius:var(--bt-radius);padding:20px;display:grid;gap:16px;min-width:0}.bt-output{min-height:320px;align-content:start;transition:opacity .2s}.bt-output.is-updating,.bt-output.is-stale{opacity:.55}.bt-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:var(--imo-radius);font:600 var(--imo-font-size-sm)/1.2 var(--imo-font-body);border:1px solid var(--imo-border-strong);background:var(--imo-surface);color:var(--imo-text);cursor:pointer;text-decoration:none;text-align:center}.bt-btn:hover{border-color:var(--imo-primary);color:var(--imo-text)}.bt-btn--primary{background:var(--imo-primary);border-color:var(--imo-primary);color:var(--imo-on-accent,#fff)}.bt-btn--primary:hover{background:var(--imo-primary-hover);border-color:var(--imo-primary-hover);color:var(--imo-on-accent,#fff)}.bt-btn--block{width:100%;padding-block:14px;font-size:var(--imo-font-size-base);overflow-wrap:anywhere}.bt-btn[disabled],.bt-btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed}.bt-btn:focus-visible,.bt-link:focus-visible,.bt-chip:focus-visible,.bt-thumb:focus-visible,.bt-icon-btn:focus-visible{outline:3px solid var(--imo-accent-glow);outline-offset:2px}.bt-link{background:none;border:0;padding:4px 2px;color:var(--imo-primary);font:inherit;font-size:var(--imo-font-size-sm);cursor:pointer;text-decoration:underline;text-underline-offset:3px}.bt-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;border:1px solid var(--imo-border);background:var(--imo-bg-alt);color:var(--imo-text);font:500 var(--imo-font-size-sm)/1.2 var(--imo-font-body);cursor:pointer;text-decoration:none}.bt-chip:hover{border-color:var(--imo-primary);color:var(--imo-primary)}.bt-chip--next::after{content:"\2192"}.bt-icon-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--imo-border);background:var(--imo-surface);color:var(--imo-text);cursor:pointer;font-size:16px;line-height:1}.bt-icon-btn[disabled]{opacity:.4;cursor:not-allowed}.bt-hint{margin:0;font-size:var(--imo-font-size-sm);color:var(--imo-text-muted)}.bt-hint[data-tone="bad"]{color:var(--bt-bad)}.bt-hint[data-tone="warn"]{color:var(--bt-warn)}.bt-drop{display:grid;gap:10px;justify-items:center}.bt-drop__target{width:100%;display:grid;gap:10px;justify-items:center;text-align:center;padding:28px 18px;border-radius:var(--imo-radius);border:1.5px dashed var(--imo-border-strong);background:var(--imo-bg-alt);cursor:pointer;transition:border-color .15s,background .15s}.bt-drop__target strong{font-family:var(--imo-font-display);font-size:var(--imo-font-size-lg);color:var(--imo-text)}.bt-drop__target small{color:var(--imo-text-muted)}.bt-drop__icon{color:var(--imo-primary)}.bt-drop.is-dragging .bt-drop__target,.bt-drop__target:hover{border-color:var(--imo-primary);background:var(--bt-info-wash)}.bt-drop.has-files .bt-drop__target{padding-block:14px;grid-template-columns:auto}.bt-drop.has-files .bt-drop__icon,.bt-drop.has-files .bt-drop__target strong,.bt-drop.has-files .bt-drop__target small{display:none}.bt-files{list-style:none;margin:0;padding:0;display:grid;gap:8px}.bt-file{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--imo-border);border-radius:var(--imo-radius)}.bt-file__badge{font:700 11px/1 var(--imo-font-mono);padding:6px 7px;border-radius:6px;background:var(--bt-info-wash);color:var(--imo-primary)}.bt-file__badge[data-format="pdf"]{color:var(--imo-pdf,#dc2626);background:color-mix(in srgb,var(--imo-pdf,#dc2626) 12%,var(--imo-surface))}.bt-file__badge[data-format="docx"]{color:var(--imo-word,#2563eb);background:color-mix(in srgb,var(--imo-word,#2563eb) 12%,var(--imo-surface))}.bt-file__badge[data-format="xlsx"]{color:var(--imo-excel,#059669);background:color-mix(in srgb,var(--imo-excel,#059669) 12%,var(--imo-surface))}.bt-file__badge[data-format="pptx"]{color:var(--imo-powerpoint,#e04f5f);background:color-mix(in srgb,var(--imo-powerpoint,#e04f5f) 12%,var(--imo-surface))}.bt-file__meta{display:grid;min-width:0}.bt-file__meta b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--imo-font-size-sm);color:var(--imo-text)}.bt-file__meta small{color:var(--imo-text-muted);font-size:var(--imo-font-size-xs)}.bt-file__slot{text-transform:uppercase;letter-spacing:.08em;font-weight:600;color:var(--imo-primary)!important}.bt-file__actions{display:flex;gap:6px}.bt-editor{display:grid;gap:8px}.bt-editor__bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.bt-editor__bar>label{font-weight:600;color:var(--imo-text)}.bt-editor__actions{display:flex;gap:12px}.bt-file-link{position:relative}.bt-textarea{width:100%;min-height:260px;resize:vertical;padding:12px 14px;border-radius:var(--imo-radius);border:1px solid var(--imo-border-strong);background:var(--imo-bg-alt);color:var(--imo-text);font:13.5px/1.55 var(--imo-font-mono);tab-size:2}.bt-textarea:focus{outline:3px solid var(--imo-accent-glow);border-color:var(--imo-primary)}.bt-options{display:grid;gap:16px}.bt-choice{border:0;padding:0;margin:0;display:grid;gap:8px;min-width:0}.bt-choice legend,.bt-pages__label{font-weight:600;color:var(--imo-text);margin:0 0 8px;padding:0}.bt-choice__item,.bt-check{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;padding:11px 12px;border-radius:var(--imo-radius);border:1px solid var(--imo-border);cursor:pointer}.bt-choice__item:has(input:checked),.bt-check:has(input:checked){border-color:var(--imo-primary);background:var(--bt-info-wash)}.bt-choice__item input,.bt-check input{margin-top:3px;accent-color:var(--imo-primary)}.bt-choice__item b,.bt-check b{display:block;font-size:var(--imo-font-size-sm);color:var(--imo-text)}.bt-choice__item small,.bt-check small,.bt-field small{display:block;color:var(--imo-text-muted);font-size:var(--imo-font-size-xs);line-height:1.45}.bt-field{display:grid;gap:6px}.bt-field>span:first-child{font-weight:600;font-size:var(--imo-font-size-sm);color:var(--imo-text)}.bt-field input{width:100%;padding:10px 12px;border-radius:var(--imo-radius);border:1px solid var(--imo-border-strong);background:var(--imo-surface);color:var(--imo-text);font:inherit}.bt-field input:focus{outline:3px solid var(--imo-accent-glow);border-color:var(--imo-primary)}.bt-password{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.bt-advanced{border-top:1px solid var(--imo-border);padding-top:12px;display:grid;gap:10px}.bt-advanced summary{cursor:pointer;color:var(--imo-text-secondary);font-size:var(--imo-font-size-sm)}.bt-advanced[open]{gap:10px}.bt-action{display:grid;gap:8px}.bt-pages{display:grid;gap:10px}.bt-grid-picker{display:grid;gap:12px}.bt-grid-picker__bar{display:flex;flex-wrap:wrap;gap:6px}.bt-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:14px;max-height:460px;overflow:auto;padding:6px 4px}.bt-thumb{position:relative;display:grid;gap:6px;justify-items:center;padding:0;border:0;background:none;color:var(--imo-text-secondary);cursor:pointer;font:12px/1 var(--imo-font-body);font-variant-numeric:tabular-nums}.bt-thumb__sheet{display:grid;place-items:center;width:84px;height:110px;overflow:hidden;border-radius:6px;background:#fff;border:1px solid var(--imo-border-strong);transition:transform .25s,box-shadow .15s,opacity .15s}.bt-thumb__sheet img{width:100%;height:100%;object-fit:contain}.bt-thumb__tick{position:absolute;top:-6px;right:2px;width:22px;height:22px;border-radius:50%;display:none;place-items:center;font:700 12px/1 var(--imo-font-body);background:var(--imo-primary);color:var(--imo-on-accent,#fff)}.bt-thumb.is-selected .bt-thumb__sheet{box-shadow:0 0 0 3px var(--imo-primary)}.bt-thumb.is-selected .bt-thumb__tick{display:grid}.bt-thumb.is-removed .bt-thumb__sheet{box-shadow:0 0 0 3px var(--bt-bad);opacity:.35}.bt-thumb.is-removed .bt-thumb__tick{display:grid;background:var(--bt-bad);color:#fff}.bt-thumb[draggable="true"]{cursor:grab}.bt-thumb.is-dragging{opacity:.4}.bt-thumb.is-over .bt-thumb__sheet{box-shadow:-6px 0 0 -2px var(--imo-primary)}.bt-grid-picker__field{display:grid;gap:6px;font-size:var(--imo-font-size-sm);color:var(--imo-text-secondary)}.bt-grid-picker__text{padding:9px 12px;border-radius:var(--imo-radius);border:1px solid var(--imo-border-strong);background:var(--imo-surface);color:var(--imo-text);font:13.5px var(--imo-font-mono)}.bt-grid-picker__text[aria-invalid="true"]{border-color:var(--bt-bad)}.bt-empty{display:grid;gap:10px;justify-items:center;text-align:center;padding:36px 12px;color:var(--imo-text-muted)}.bt-empty h2{margin:0;font-family:var(--imo-font-display);font-size:var(--imo-font-size-xl);color:var(--imo-text)}.bt-empty p{margin:0;max-width:46ch;line-height:1.55}.bt-busy{display:grid;gap:12px;justify-items:center;text-align:center;padding:32px 12px}.bt-busy h2{margin:0;font-family:var(--imo-font-display);font-size:var(--imo-font-size-xl);color:var(--imo-text);font-variant-numeric:tabular-nums}.bt-busy__steps{margin:0;padding:0;list-style:none;display:grid;gap:6px;color:var(--imo-text-secondary);font-size:var(--imo-font-size-sm)}.bt-busy__steps li::before{content:"\2022  ";color:var(--imo-primary)}.bt-spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--imo-border);border-top-color:var(--imo-primary);animation:bt-spin .8s linear infinite}.bt-verdict{display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;align-items:start;padding:16px;border-radius:var(--imo-radius)}.bt-verdict h2{margin:0;font-family:var(--imo-font-display);font-size:clamp(1.1rem,2.2vw,1.35rem);line-height:1.25;color:var(--imo-text);text-wrap:balance}.bt-verdict p{margin:4px 0 0;color:var(--imo-text-secondary);font-size:var(--imo-font-size-sm);line-height:1.5}.bt-verdict__icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font:800 18px/1 var(--imo-font-body);color:#fff}.bt-verdict--good{background:var(--bt-good-wash)}.bt-verdict--good .bt-verdict__icon{background:var(--bt-good)}.bt-verdict--warn{background:var(--bt-warn-wash)}.bt-verdict--warn .bt-verdict__icon{background:var(--bt-warn)}.bt-verdict--bad{background:var(--bt-bad-wash)}.bt-verdict--bad .bt-verdict__icon{background:var(--bt-bad)}.bt-verdict--info{background:var(--bt-info-wash)}.bt-verdict--info .bt-verdict__icon{background:var(--bt-info);color:var(--imo-on-accent,#fff)}.bt-facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin:0}.bt-facts>div{padding:10px 12px;border-radius:var(--imo-radius);border:1px solid var(--imo-border);background:var(--imo-bg-alt);min-width:0}.bt-facts dt{font-size:var(--imo-font-size-xs);color:var(--imo-text-muted)}.bt-facts dd{margin:2px 0 0;font-weight:700;color:var(--imo-text);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.bt-facts .is-warn dd{color:var(--bt-warn)}.bt-facts .is-good dd{color:var(--bt-good)}.bt-facts .is-info dd{color:var(--bt-info)}.bt-items{display:grid;gap:8px}.bt-items__group{margin:6px 0 0;font-size:var(--imo-font-size-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--imo-text-muted)}.bt-items__more summary{cursor:pointer;color:var(--imo-primary);font-size:var(--imo-font-size-sm);padding:4px 0}.bt-item-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.bt-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:start;padding:11px 12px;border-radius:var(--imo-radius);border:1px solid var(--imo-border)}.bt-item:not(:has(input)){grid-template-columns:minmax(0,1fr) auto}.bt-item--detail{background:var(--imo-bg-alt);border-color:transparent}.bt-item input{width:18px;height:18px;margin-top:2px;accent-color:var(--imo-primary)}.bt-item__body{display:grid;gap:2px;cursor:default}label.bt-item__body{cursor:pointer}.bt-item__body b{font-size:var(--imo-font-size-sm);color:var(--imo-text)}.bt-item__body span{font-size:var(--imo-font-size-xs);color:var(--imo-text-secondary);line-height:1.5;overflow-wrap:anywhere}.bt-state{font:600 11.5px/1 var(--imo-font-body);padding:5px 9px;border-radius:999px;white-space:nowrap;border:1px solid transparent}.bt-state--found,.bt-state--warning{background:var(--bt-warn-wash);color:var(--bt-warn)}.bt-state--removed,.bt-state--good{background:var(--bt-good-wash);color:var(--bt-good)}.bt-state--bad{background:var(--bt-bad-wash);color:var(--bt-bad)}.bt-state--kept,.bt-state--info{background:var(--imo-bg-alt);color:var(--imo-text-secondary);border-color:var(--imo-border)}.bt-commit{display:grid;gap:12px}.bt-commit__bulk{display:flex;flex-wrap:wrap;gap:6px}.bt-preview{margin:0;display:grid;gap:10px}.bt-preview img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--imo-border);background:#fff}.bt-preview--pair{grid-template-columns:1fr 1fr}.bt-preview--pair>figcaption{grid-column:1/-1;font-size:var(--imo-font-size-sm);color:var(--imo-text-muted);text-align:center}.bt-preview__image{margin:0;display:grid;gap:6px}.bt-preview__image figcaption{font-size:var(--imo-font-size-xs);color:var(--imo-text-muted);text-align:center;overflow-wrap:anywhere}.bt-preview__frame{width:100%;height:420px;border-radius:8px;border:1px solid var(--imo-border);background:#fff}.bt-preview__frame--tall{height:640px}.bt-preview__text{margin:0;max-height:420px;overflow:auto;padding:12px 14px;border-radius:8px;border:1px solid var(--imo-border);background:var(--imo-code-bg,var(--imo-bg-alt));color:var(--imo-code-text,var(--imo-text));font:13px/1.55 var(--imo-font-mono);white-space:pre-wrap;overflow-wrap:anywhere}.bt-mark{padding:0 4px;margin:0 1px;border-radius:4px;font-size:11px;background:var(--bt-warn-wash);color:var(--bt-warn);border:1px solid color-mix(in srgb,var(--bt-warn) 35%,transparent)}.bt-mark--removed{background:var(--bt-good-wash);color:var(--bt-good);text-decoration:line-through}.bt-mark--kept{background:var(--imo-bg-alt);color:var(--imo-text-secondary)}.bt-source summary{cursor:pointer;font-size:var(--imo-font-size-sm);color:var(--imo-primary)}.bt-source{display:grid;gap:8px}.bt-pager{display:grid;gap:10px;justify-items:center}.bt-pager__page{width:100%;min-height:240px;display:grid;place-items:center}.bt-pager__page img{box-shadow:var(--imo-shadow-md)}.bt-pager__nav{display:flex;align-items:center;gap:12px;font-size:var(--imo-font-size-sm);color:var(--imo-text-secondary);font-variant-numeric:tabular-nums}.bt-downloads{display:grid;gap:10px}.bt-more{border-top:1px solid var(--imo-border);padding-top:12px;display:grid;gap:10px}.bt-more summary{cursor:pointer;color:var(--imo-text-secondary);font-size:var(--imo-font-size-sm)}.bt-more__row{display:flex;flex-wrap:wrap;gap:8px}.bt-more__label{margin:4px 0 0;font-size:var(--imo-font-size-xs);color:var(--imo-text-muted);text-transform:uppercase;letter-spacing:.08em}.bt-support{display:grid;gap:8px;justify-items:start}.bt-about{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.bt-about>div{padding:18px;border-radius:var(--bt-radius);border:1px solid var(--imo-border);background:var(--imo-surface);display:grid;gap:8px;align-content:start;min-width:0}.bt-about h2{margin:0;font-family:var(--imo-font-display);font-size:var(--imo-font-size-lg);color:var(--imo-text)}.bt-about p{margin:0;color:var(--imo-text-secondary);font-size:var(--imo-font-size-sm);line-height:1.55}.bt-about a{font-size:var(--imo-font-size-sm)}.bt-code{margin:0;padding:10px 12px;border-radius:8px;background:var(--imo-code-bg,var(--imo-bg-alt));border:1px solid var(--imo-code-border,var(--imo-border));color:var(--imo-code-text,var(--imo-text));font:12.5px var(--imo-font-mono);overflow-x:auto}@keyframes bt-spin{to{transform:rotate(360deg)}}@keyframes bt-pulse{50%{opacity:.35}}@media(max-width:920px){.bt-grid,.bt-about{grid-template-columns:1fr}}@media(max-width:560px){.bt-main{padding-block:16px 48px}.bt-shell{padding-inline:16px}.bt-steps{gap:6px}.bt-steps li{flex-direction:column;justify-content:center;gap:4px;padding:8px 4px;text-align:center;font-size:11.5px;line-height:1.25}.bt-steps li span{white-space:normal}.bt-output:has([data-bt-empty]){display:none}.bt-local{white-space:normal}.bt-panel{padding:16px}.bt-preview--pair{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.bt-spinner,.bt-local[data-state="loading"] svg{animation:none}.bt-thumb__sheet,.bt-output{transition:none}}