:root{--border-width: 1.5px;--border-width-thin: 1px;--measure-wide: 1400px;--measure-narrow: 1100px;--measure-doc: 33rem;--pad-section: 100px 48px;--pad-section-mobile: 60px 24px;--pad-card: 36px 32px;--control-pad: 14px 22px;--row-pad: 24px;--gap-block: 80px;--band-height: 50px;--radius-control: 6px;--radius-card: 12px;--radius-pill: 9999px;--duration-fast: .12s;--duration-medium: .14s;--ease-standard: ease;--transition-colors: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);--shadow-raised: 6px 6px 0 var(--border-subtle);--shadow-modal: 8px 8px 0 rgba(14, 20, 27, .25);--shadow-soft: 0 8px 24px -10px rgba(14, 20, 27, .4);--bp-columns: 1100px;--bp-narrow: 720px;--space-1: 2px;--space-2: 4px;--space-3: 6px;--space-4: 8px;--space-5: 12px;--space-6: 16px;--space-7: 20px;--space-8: 24px;--space-9: 32px;--space-10: 40px;--surface-accent: color-mix(in srgb, var(--text-accent) 70%, white);--surface-accent-hover: color-mix(in srgb, var(--text-accent) 55%, white);--surface-danger: color-mix(in srgb, var(--text-danger) 70%, white);--ink: #1b2a3b;--cream: #f0f4f8;--cream-dark: #e4ebf0;--cream-darker: #d8e1e9;--paper: #ffffff;--accent: #00875a;--accent-text: #007a50;--muted: #4a6070;--danger: #b42318;--eu-blue: #003399;--highlight: #9db8ff;--hairline: rgba(27, 42, 59, .12);--hairline-strong: rgba(27, 42, 59, .28);--muted-on-dark: rgba(240, 244, 248, .6);--code-bg: #101217;--code-border: #2a2d35;--code-fg: #e6e6e6;--code-muted: #8a8e96;--font-sans: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, sans-serif;--font-serif: "Merriweather", Georgia, serif;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;--font-size-4xs: .5rem;--font-size-3xs: .55rem;--font-size-2xs: .625rem;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--tracking-label: .14em;--tracking-label-wide: .2em;--border: var(--border-width) solid var(--border-strong);--border-thin: var(--border-width-thin) solid var(--border-strong);--surface-page: var(--cream);--surface-tint: var(--cream-dark);--surface-inverse: var(--ink);--surface-code: var(--code-bg);--surface-elevated: var(--paper);--surface-input: var(--paper);--surface-active: var(--cream-darker);--text-primary: var(--ink);--text-secondary: var(--muted);--text-accent: var(--accent-text);--text-on-inverse: var(--cream);--text-on-accent: var(--ink);--text-on-danger: var(--ink);--text-secondary-on-inverse: var(--muted-on-dark);--text-danger: var(--danger);--border-danger: var(--danger);--surface-hover: var(--cream-dark);--surface-inverse-hover: var(--muted);--border-strong: var(--hairline);--border-default: var(--hairline-strong);--border-subtle: var(--hairline);--rule-ink: var(--ink);--font-display: var(--font-serif)}.doc-column{width:100%;max-width:var(--measure-doc);margin:0 auto}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.label-micro{font-family:var(--font-mono);font-size:var(--font-size-3xs);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-secondary)}.label-micro-xs{font-size:var(--font-size-4xs)}.label-micro-md{font-size:var(--font-size-2xs)}.label-micro-accent{color:var(--text-accent)}.btn-chrome{display:inline-flex;align-items:center;gap:5px;flex-shrink:0;padding:5px 11px;border:1px solid var(--border-subtle);border-radius:var(--radius-control);background:transparent;color:var(--text-secondary);font-family:var(--font-mono);font-size:var(--font-size-3xs);font-weight:600;letter-spacing:var(--tracking-label);text-transform:uppercase;cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard)}.btn-chrome:hover:not(:disabled){color:var(--text-accent);border-color:var(--text-accent)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;flex-shrink:0;padding:6px 14px;border:none;border-radius:var(--radius-control);background:var(--surface-inverse);color:var(--text-on-inverse);font-family:var(--font-sans);font-size:.78rem;cursor:pointer;transition:background var(--duration-fast) var(--ease-standard)}.btn-primary:hover:not(:disabled){background:var(--surface-inverse-hover)}.btn-primary-accent{background:var(--surface-accent);color:var(--text-on-accent)}.btn-primary-accent:hover:not(:disabled){background:var(--surface-accent-hover)}.btn-quiet{padding:6px 4px;border:none;background:none;color:var(--text-secondary);font-family:var(--font-sans);font-size:.78rem;cursor:pointer;transition:color var(--duration-fast) var(--ease-standard)}.btn-quiet:hover:not(:disabled){color:var(--text-primary)}.btn-quiet-danger:hover:not(:disabled){color:var(--text-danger)}.btn-busy{font-style:italic}.btn-chrome:disabled,.btn-primary:disabled,.btn-quiet:disabled{opacity:.4;cursor:not-allowed}.icon-btn{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:34px;height:34px;padding:0;border:var(--border-thin);border-color:transparent;border-radius:var(--radius-control);background:transparent;color:var(--text-secondary);cursor:pointer;transition:background var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.icon-btn:hover:not(:disabled){color:var(--text-accent);background:var(--surface-hover);border-color:var(--border-strong)}.icon-btn:disabled{opacity:.3;cursor:default}.icon-btn svg{display:block;flex-shrink:0}.icon-btn-inline{width:26px;height:26px;border-color:transparent}.icon-btn-inline:hover:not(:disabled){background:transparent;border-color:transparent}.icon-btn-nav{width:34px;height:34px}.icon-btn-primary{color:var(--text-accent)}.popover{position:absolute;z-index:30;min-width:180px;padding:6px 0;border:var(--border);border-radius:var(--radius-card);background:var(--surface-page);box-shadow:var(--shadow-raised)}.popover-up{bottom:calc(100% + 6px);left:0}.popover-float{position:fixed;z-index:40;box-shadow:var(--shadow-soft)}.popover-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:flex;align-items:center;gap:10px;width:100%;padding:10px 16px;border:none;background:transparent;color:var(--text-primary);font-family:var(--font-sans);font-size:.8rem;text-align:left;cursor:pointer;transition:background var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.popover-item:hover{background:var(--surface-hover);color:var(--text-accent)}.field-label{display:block;margin-bottom:4px;color:var(--text-secondary);font-size:.72rem}.field-instruction{margin:0 0 10px;color:var(--text-secondary);font-size:.73rem;line-height:1.6}.field-input{width:100%;padding:5px 2px;border:none;border-bottom:1px solid var(--border-subtle);border-radius:0;background:transparent;color:var(--text-primary);font-family:var(--font-sans);font-size:.8rem;line-height:1.6;outline:none}.field-input:focus{border-bottom-color:var(--text-accent)}.field-grow{display:grid;min-width:0}.field-grow:after{content:attr(data-value) " ";visibility:hidden;white-space:pre-wrap;overflow-wrap:break-word}.field-grow>.field-textarea,.field-grow:after{grid-area:1 / 1;padding:5px 2px;font-family:var(--font-sans);font-size:.8rem;line-height:1.6;border-bottom:1px solid var(--border-subtle)}.field-textarea{resize:none;overflow:hidden;min-height:0}.quote-rule{margin:8px 0 0;padding-left:10px;border-left:2px solid var(--text-accent);color:var(--text-primary);font-size:.8rem;line-height:1.6}.chat-region{flex:1;min-height:0;overflow-y:auto;scrollbar-gutter:stable;display:flex;flex-direction:column;padding-top:4px;padding-right:8px}.chat-thread{margin-top:auto;display:flex;flex-direction:column;gap:20px;padding-bottom:4px}.chat-message{max-width:100%}.chat-message-agent{align-self:stretch}.chat-message-user{align-self:flex-end;max-width:78%;padding:9px 13px;border-radius:var(--radius-card);background:var(--surface-tint)}.chat-role{margin:0 0 5px;font-family:var(--font-mono);font-size:var(--font-size-3xs);font-weight:500;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-secondary);opacity:.8}.chat-text{margin:0;color:var(--text-primary);font-size:.8rem;line-height:1.65}.chat-message-user .chat-text{font-size:.78rem;line-height:1.5;white-space:pre-wrap}.chat-question{margin:8px 0 0;padding-left:10px;border-left:2px solid var(--text-accent);color:var(--text-primary);font-size:.8rem;line-height:1.6}.chat-meta{margin:8px 0 0}.chat-note{margin:0;display:flex;align-items:center;gap:8px}.chat-note-plain{color:var(--text-secondary);font-size:.76rem;line-height:1.6}.chat-chip{padding:2px 0;border:none;background:none;color:var(--text-accent);font-family:var(--font-mono);font-size:var(--font-size-3xs);letter-spacing:.1em;text-transform:uppercase;text-align:left;cursor:pointer}.chat-chip:hover{text-decoration:underline;text-underline-offset:3px}.chat-message-pending .chat-text{display:inline-flex;align-items:center;gap:8px;color:var(--text-secondary);font-style:italic}.chat-pending-dots{display:inline-flex;align-items:flex-end;gap:3px}.chat-pending-dots span{width:4px;height:4px;background:currentColor;opacity:.35;animation:chat-pending-dot 1.2s ease-in-out infinite}.chat-pending-dots span:nth-child(2){animation-delay:.18s}.chat-pending-dots span:nth-child(3){animation-delay:.36s}@keyframes chat-pending-dot{0%,60%,to{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}@media(prefers-reduced-motion:reduce){.chat-pending-dots span{animation:none;opacity:.6}}.chat-markdown>:first-child{margin-top:0}.chat-markdown p{margin:0 0 .7em}.chat-markdown ul,.chat-markdown ol{margin:0 0 .7em;padding-left:1.2em}.chat-markdown li{margin-bottom:.25em}.chat-markdown strong{font-weight:700}.chat-markdown code{font-family:var(--font-mono);font-size:.9em}.chat-markdown a{color:var(--text-accent)}.chat-markdown h1,.chat-markdown h2,.chat-markdown h3,.chat-markdown h4{font-family:var(--font-display);font-weight:700;line-height:1.25;margin:18px 0 8px}.chat-markdown blockquote{margin:0 0 .7em;padding-left:10px;border-left:3px solid var(--text-accent)}.chat-markdown hr{margin:16px 0;border:none;border-top:var(--border-thin)}.chat-compose-bar{flex-shrink:0;display:flex;flex-direction:column;gap:6px;padding:12px 0 4px;background:var(--surface-page)}.chat-compose-notice{margin:0;font-family:var(--font-mono);font-size:var(--font-size-4xs);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-secondary)}.chat-compose{display:flex;flex-direction:column;gap:2px;padding:10px 12px 6px;border-radius:var(--radius-card);background:var(--surface-tint)}.chat-compose-input{display:block;width:100%;min-height:1.5rem;max-height:min(180px,30vh);box-sizing:border-box;padding:0;border:none;background:transparent;color:var(--text-primary);font-family:var(--font-sans);font-size:.8rem;line-height:1.55;resize:none;overflow-y:auto;scrollbar-gutter:stable}.chat-compose-input:focus,.chat-compose-input:focus-visible{outline:none}.chat-compose-input::placeholder{color:var(--text-secondary);opacity:.75}.chat-compose-actions{display:flex;align-items:center;justify-content:space-between}.compose-icon-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:1.7rem;height:1.7rem;padding:0;border:none;border-radius:var(--radius-control);background:transparent;color:var(--text-secondary);cursor:pointer;transition:background var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.compose-icon-btn:hover:not(:disabled){background:var(--surface-hover);color:var(--text-accent);transform:scale(1.12)}.compose-icon-btn:disabled{opacity:.35;cursor:default}.compose-icon-btn svg{display:block}::highlight(comment-target){color:var(--text-accent)}.selection-menu,.selection-comment{position:fixed;z-index:40;background:var(--surface-page);border:var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-soft)}.selection-menu{padding:3px;min-width:150px}.selection-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;border:none;border-radius:var(--radius-control);background:transparent;color:var(--text-primary);font-family:var(--font-sans);font-size:.78rem;text-align:left;cursor:pointer;transition:background var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.selection-menu-item:hover{background:var(--surface-hover);color:var(--text-accent)}.selection-comment{max-width:calc(100vw - 16px);display:flex;flex-direction:column;gap:8px;padding:10px}.selection-comment-quote{margin:0;max-height:3.2em;overflow:hidden;border-left:2px solid var(--text-accent);padding-left:8px;color:var(--text-secondary);font-size:.7rem;line-height:1.5}.selection-comment-input{width:100%;min-height:3.4rem;max-height:40vh;box-sizing:border-box;padding:8px 10px;border:none;border-radius:var(--radius-control);background:var(--surface-tint);color:var(--text-primary);font-family:var(--font-sans);font-size:.8rem;line-height:1.5;resize:none;outline:none}.selection-comment-actions{display:flex;justify-content:flex-end;align-items:center;gap:6px}.comment-chips{display:flex;flex-wrap:wrap;gap:6px}.comment-chip{display:inline-flex;align-items:center;border-radius:var(--radius-pill);background:var(--surface-tint);transition:background var(--duration-fast) var(--ease-standard)}.comment-chip:hover{background:var(--surface-hover)}.comment-chip-label{padding:4px 11px;border:none;background:transparent;color:var(--text-secondary);font-family:var(--font-mono);font-size:var(--font-size-3xs);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),padding var(--duration-fast) var(--ease-standard)}.comment-chip:hover .comment-chip-label{color:var(--text-accent);padding-right:4px}.comment-chip-delete{display:inline-flex;align-items:center;justify-content:center;width:0;height:16px;padding:0;border:none;background:transparent;color:var(--text-secondary);opacity:0;overflow:hidden;cursor:pointer;transition:width var(--duration-fast) var(--ease-standard),opacity var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.comment-chip:hover .comment-chip-delete{width:16px;margin-right:7px;opacity:1}.comment-chip-delete:hover{color:var(--text-danger)}.message-comment-tag{margin:0 0 4px;color:var(--text-accent);font-family:var(--font-mono);font-size:var(--font-size-4xs);letter-spacing:.1em;text-transform:uppercase}.app-sidebar{min-height:0;display:flex;flex-direction:column;border-right:var(--border-thin);overflow:hidden;--sidebar-row-columns: 2rem minmax(0, 1fr) auto}.sidebar-header{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:8px;height:var(--band-height);padding:0 18px;background:var(--surface-page);border-bottom:var(--border-thin)}.sidebar-footer{flex-shrink:0;display:flex;align-items:center;gap:4px;padding:8px 12px;border-top:var(--border-thin);background:var(--surface-page)}.section-list{flex:1;min-height:0;overflow-y:auto;padding:8px 0 12px}.sidebar-row{display:grid;grid-template-columns:var(--sidebar-row-columns);align-items:center;gap:6px;width:100%;padding:5px 18px;border:none;background:transparent;color:var(--text-secondary);font-family:var(--font-sans);font-size:.78rem;text-align:left}.sidebar-row-button{cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard)}.sidebar-row-button:hover:not(:disabled){background:var(--surface-hover)}.sidebar-row-section{color:var(--text-primary)}.sidebar-row-current{color:var(--text-accent);box-shadow:inset 2px 0 0 var(--text-accent)}.row-ordinal{font-family:var(--font-mono);font-size:var(--font-size-2xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary);opacity:.75}.sidebar-row-current .row-ordinal{color:var(--text-accent);opacity:1}.row-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-mark{display:inline-flex;align-items:center;justify-content:flex-end;min-width:12px;color:var(--text-secondary)}.row-mark-answered{color:var(--text-accent)}.group-card{min-height:0;height:100%;display:flex;flex-direction:column}.card-header{flex-shrink:0;display:flex;align-items:baseline;gap:10px;padding:2px 0 12px}.card-ordinal{flex-shrink:0;margin:0;font-family:var(--font-mono);font-size:var(--font-size-3xs);letter-spacing:.16em;text-transform:uppercase;color:var(--text-accent)}.card-heading{flex:1;min-width:0;margin:0;font-family:var(--font-display);font-size:.84rem;font-weight:700;line-height:1.3;color:var(--text-primary)}.card-header-actions{flex-shrink:0;display:flex;align-items:center;gap:10px}.card-scroll{flex:1;min-height:8em;display:flex;flex-direction:column}.card-instructions{flex-shrink:0;margin-bottom:14px}.card-instruction{margin:0 0 10px;color:var(--text-secondary);font-size:.73rem;line-height:1.6}.card-instruction:last-child{margin-bottom:0}.card-fields{flex:1;min-height:6em;overflow-y:auto;scrollbar-gutter:stable;padding-right:8px;display:flex;flex-direction:column;gap:16px}.card-review{display:flex;justify-content:flex-end}.card-footer{flex-shrink:0;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 0 10px}.card-nav{display:flex;align-items:center;gap:2px}*{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--text-secondary) 45%,transparent) transparent}*::-webkit-scrollbar{width:9px;height:9px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--text-secondary) 45%,transparent);border:2px solid transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--text-secondary) 70%,transparent);background-clip:padding-box}*,*:before,*:after{box-sizing:border-box}html{font-size:150%;color-scheme:light}body{margin:0;background:var(--surface-page);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}@media(prefers-reduced-motion:reduce){:root{--duration-fast: 0ms;--duration-medium: 0ms}}:focus-visible{outline:2px solid var(--text-accent);outline-offset:2px}.app{display:flex;flex-direction:column;height:100dvh;padding:0 16px}.app-header{flex-shrink:0;display:flex;align-items:baseline;gap:12px;padding:12px 0 10px;border-bottom:var(--border-thin);border-color:var(--border-subtle)}.app-title{margin:0;font-family:var(--font-mono);font-size:var(--font-size-2xs);font-weight:600;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-primary)}.app-header-spacer{flex:1}.bt-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;flex-direction:column;background:var(--surface-page);padding:0 16px}.bt-overlay-header{flex-shrink:0}.bt-overlay-body{flex:1;min-height:0;overflow-y:auto;width:100%;max-width:var(--measure-doc);margin:0 auto;padding:16px 0 40px}.bt-overlay-action{margin-top:10px}.bt-menu-heading{display:block;margin:0 0 6px}.bt-signin-trigger{color:var(--text-danger);border-color:var(--text-danger)}.bt-signin-trigger:hover:not(:disabled){color:var(--text-danger);border-color:var(--text-danger)}.bt-signin-text{margin:0 0 10px;color:var(--text-secondary);font-size:.76rem;line-height:1.6}.bt-signin-text code{font-family:var(--font-mono);font-size:.9em;color:var(--text-primary)}.bt-signin-detail{margin:0;color:var(--text-secondary);font-family:var(--font-mono);font-size:.66rem;line-height:1.5;word-break:break-word}.bt-signin-code{margin:0 0 10px;font-family:var(--font-mono);font-size:1.1rem;letter-spacing:.18em;color:var(--text-accent)}.app-main{flex:1;min-height:0;display:flex;flex-direction:column}.app-footnote{flex-shrink:0;padding:8px 56px 12px;text-align:center}.bt-lang{position:relative;display:inline-flex}.bt-lang-trigger{font-family:var(--font-mono);font-size:.58rem;font-weight:600;letter-spacing:.1em}.bt-lang-check{display:inline-flex;width:14px;flex-shrink:0;color:var(--text-accent)}.bt-connect-corner{position:fixed;right:12px;bottom:12px;z-index:40;background:var(--surface-page)}.chat-compose-grow{display:grid;min-width:0}.chat-compose-grow:after{content:attr(data-value) " ";visibility:hidden;white-space:pre-wrap;overflow-y:auto;scrollbar-gutter:stable}.chat-compose-grow>.chat-compose-input,.chat-compose-grow:after{grid-area:1 / 1;min-width:0;min-height:1.5rem;max-height:min(180px,30vh);padding:0;font-family:var(--font-sans);font-size:.8rem;line-height:1.55;overflow-wrap:anywhere}.chat-compose-actions>.compose-send{margin-left:auto}.bt-chat-tools{display:flex;align-items:center;gap:6px;padding:0 0 4px}.bt-gate{display:flex;align-items:center;justify-content:center;text-align:left}.bt-gate-title{margin:0 0 10px;font-family:var(--font-display);font-size:var(--font-size-xl);font-weight:400;line-height:1.3;color:var(--text-primary)}.bt-gate-text{margin:0;color:var(--text-secondary);font-size:.8rem;line-height:1.7}.bt-intro{padding:8px 0 4px}.bt-intro h2{margin:0 0 8px;font-family:var(--font-display);font-size:var(--font-size-xl);font-weight:400;line-height:1.3;color:var(--text-primary)}.bt-intro p{margin:0 0 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var(--text-accent);color:var(--text-primary);font-size:.78rem;line-height:1.6;white-space:pre-wrap}.bt-source-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.bt-link{color:var(--text-accent);font-family:var(--font-mono);font-size:var(--font-size-3xs);letter-spacing:var(--tracking-label);text-transform:uppercase;text-decoration:none}.bt-link:hover{text-decoration:underline}.bt-source-meta{display:flex;flex-wrap:wrap;gap:4px 14px;margin:8px 0 0}.chat-markdown .bt-md-p,.chat-markdown .bt-md-list{margin:0 0 .7em}.chat-markdown>:last-child{margin-bottom:0}.chat-markdown .bt-md-heading{margin:0 0 .4em;font-family:var(--font-sans);font-size:.84rem;font-weight:600;line-height:1.4;color:var(--text-primary)}.chat-markdown .bt-md-list{padding-left:1.2em}.chat-markdown .bt-md-list li{margin:0 0 .25em}.chat-markdown strong{font-weight:600}.chat-markdown .bt-md-email{color:var(--text-accent);text-decoration:none;border-bottom:1px solid var(--border-subtle);transition:var(--transition-colors)}.chat-markdown .bt-md-email:hover{border-bottom-color:var(--text-accent)}.chat-markdown .bt-md-code{padding:1px 4px;border-radius:var(--radius-control);background:var(--surface-tint);font-family:var(--font-mono);font-size:.9em}.bt-reader{max-width:var(--measure-doc);margin:0 auto;padding:24px 16px 64px}.bt-reader-body{margin:14px 0 0;padding:14px;border:var(--border-thin);border-color:var(--border-subtle);border-radius:var(--radius-card);color:var(--text-secondary);font-size:.78rem;line-height:1.7;white-space:pre-wrap}.bt-reader-body mark{background:var(--surface-accent);color:var(--text-on-accent)}.bt-error{margin:10px 0 0;padding-left:10px;border-left:2px solid var(--border-danger);color:var(--text-danger);font-size:.78rem}@media(max-width:640px){html{font-size:130%}.app{padding:0 12px}}