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var(--space-6);overflow:hidden;position:relative;display:flex;flex-direction:column;gap:var(--space-3);min-height:0}.proof-toolbar{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-2) 0 var(--space-3);border-bottom:1px solid var(--neutral-100);margin-bottom:var(--space-1)}.proof-toolbar__btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);color:var(--neutral-500);background:transparent;font-family:var(--font-mono);font-size:var(--text-caption);font-weight:var(--fw-semibold)}.proof-toolbar__btn.is-active{background:var(--neutral-100);color:var(--neutral-900)}.proof-toolbar__sep{width:1px;height:16px;background:var(--neutral-200);margin:0 var(--space-2)}.proof-article__title{font-family:var(--font-display);font-size:1.375rem;font-weight:var(--fw-bold);letter-spacing:var(--ls-tight);line-height:1.25;margin:0;color:var(--neutral-900)}.proof-article__title.editing:after{content:"";display:inline-block;width:2px;height:1em;background:var(--brand-primary);vertical-align:-.15em;margin-left:2px;animation:proofBlink 1s steps(2) infinite}@keyframes proofBlink{50%{opacity:0}}.proof-article__meta{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-caption);color:var(--neutral-500);flex-wrap:wrap}.proof-article__meta .author{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--neutral-700)}.proof-article__meta .avatar{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-skyblue) 100%);color:var(--neutral-0);font-size:.625rem;font-weight:var(--fw-bold);display:inline-flex;align-items:center;justify-content:center}.proof-article__meta .dot{color:var(--neutral-300)}.proof-article__body{display:flex;flex-direction:column;gap:var(--space-3);flex:1;min-height:0}.proof-para{font-size:.84375rem;color:var(--neutral-700);margin:0;line-height:var(--lh-snug)}.proof-para em{font-style:italic}.proof-para.muted{color:var(--neutral-400)}.proof-skeleton{height:9px;border-radius:3px;background:var(--neutral-100)}.proof-skeleton.short{width:60%}.proof-skeleton.medium{width:82%}.proof-skeleton.long{width:95%}.proof-review-panel{position:absolute;top:var(--space-4);right:var(--space-4);width:220px;background:var(--neutral-0);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--space-4);animation:proofPanelSlide var(--transition-slow) ease .2s both}@keyframes proofPanelSlide{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}.proof-review-panel__head{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3)}.proof-review-panel__head .avatar{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--brand-pink) 0%,color-mix(in srgb,var(--brand-pink) 45%,var(--neutral-0)) 100%);color:var(--neutral-0);font-size:.625rem;font-weight:var(--fw-bold);display:inline-flex;align-items:center;justify-content:center}.proof-review-panel__name{font-size:var(--text-caption);font-weight:var(--fw-semibold);color:var(--neutral-900)}.proof-review-panel__role{font-size:.65625rem;color:var(--neutral-500);font-family:var(--font-mono)}.proof-review-panel__comment{font-size:.78125rem;color:var(--neutral-700);line-height:var(--lh-snug);margin:0 0 var(--space-3);padding:var(--space-3);background:var(--neutral-50);border-radius:var(--radius-sm);border-left:2px solid var(--brand-accent)}.proof-review-panel__actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2)}.proof-review-panel__btn{font-size:.6875rem;font-weight:var(--fw-semibold);padding:var(--space-2);border-radius:var(--radius-sm);text-align:center;border:1px solid var(--border-default);background:var(--neutral-0);color:var(--neutral-700);font-family:inherit;cursor:pointer}.proof-review-panel__btn.primary{background:var(--brand-accent);color:var(--text-on-green);border-color:var(--brand-accent)}.proof-pub-actions{display:flex;gap:var(--space-2);padding-top:var(--space-2);border-top:1px dashed var(--neutral-200);margin-top:auto}.proof-pub-actions__chip{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);border:1px solid var(--border-default);font-size:.6875rem;color:var(--neutral-700)}.proof-pub-actions__chip svg{width:12px;height:12px}.proof-pub-actions__stat{margin-left:auto;font-family:var(--font-mono);font-size:.6875rem;color:var(--neutral-500)}.proof-search{display:flex;flex-direction:column;gap:var(--space-3);flex:1;min-height:0}.proof-search__bar{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--neutral-50);border:1px solid var(--border-default);border-radius:var(--radius-md)}.proof-search__bar svg{width:16px;height:16px;color:var(--neutral-400)}.proof-search__bar input{border:0;background:transparent;outline:0;flex:1;font:inherit;font-size:.875rem;color:var(--neutral-900);pointer-events:none}.proof-search__bar .kbd{font-family:var(--font-mono);font-size:.625rem;padding:2px var(--space-2);border:1px solid var(--border-default);border-radius:3px;color:var(--neutral-500)}.proof-search__results{display:flex;flex-direction:column;gap:var(--space-2)}.proof-result{padding:var(--space-3) var(--space-4);border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--neutral-0);text-decoration:none}.proof-result.is-top{border-color:var(--brand-accent);background:var(--brand-accent-50);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand-accent) 12%,transparent)}.proof-result__title{font-family:var(--font-display);font-size:.875rem;font-weight:var(--fw-semibold);margin:0 0 var(--space-1);color:var(--neutral-900)}.proof-result__title mark{background:color-mix(in srgb,var(--brand-accent) 30%,transparent);color:inherit;padding:0 2px;border-radius:2px}.proof-result__excerpt{font-size:var(--text-caption);color:var(--neutral-500);margin:0;line-height:var(--lh-snug);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.proof-result__meta{font-family:var(--font-mono);font-size:.65625rem;color:var(--neutral-400);margin-top:var(--space-1)}.proof__footnote{margin-top:var(--space-4);font-size:.78125rem;color:var(--neutral-500);font-family:var(--font-mono);display:flex;align-items:center;gap:var(--space-2)}.proof__footnote .pill{display:inline-flex;align-items:center;gap:var(--space-1);padding:3px var(--space-2);border-radius:var(--radius-full);background:var(--neutral-50);border:1px solid var(--border-default)}.proof__footnote .pill:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-accent);animation:proofPulse 1.6s ease-in-out infinite}.proof.is-paused .proof__footnote .pill:before{animation-play-state:paused;background:var(--neutral-400)}@keyframes proofPulse{0%,to{opacity:1}50%{opacity:.3}}@media(max-width:880px){.proof__body{grid-template-columns:1fr}.proof-stage{min-height:460px}}@media(prefers-reduced-motion:reduce){.proof-step.is-active .proof-step__bar:after{animation:none;inset:0}.proof-surface-slot{transition:none}.proof-review-panel{animation:none}.proof-article__title.editing:after{animation:none}.proof__footnote .pill:before{animation:none}}[data-theme=dark] .proof{--bg-default: #0a0d12;--neutral-0: #11161e;--neutral-50: #141a23;--neutral-100: #1a2029;--neutral-200: #1f2937;--neutral-300: #374151;--border-default: #1f2937;--text-default: var(--neutral-50);background:#0a0d12;color:var(--neutral-50)}[data-theme=dark] .proof .proof__title{color:var(--neutral-0)}[data-theme=dark] .proof .proof__eyebrow{background:var(--gradient-link-dark);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}[data-theme=dark] .proof .proof-step__title,[data-theme=dark] .proof .proof-article__title,[data-theme=dark] .proof .proof-surface__crumbs .here,[data-theme=dark] .proof .proof-result__title{color:var(--neutral-0)}[data-theme=dark] .proof .proof-step.is-active .proof-step__title{color:var(--brand-paleblue)}[data-theme=dark] .proof .proof-stage{background:linear-gradient(180deg,#11161e,#0a0d12)}.logos{--logos-bg: var(--bg-subtle);--logos-fg: var(--text-default);--logos-muted: var(--text-muted);--logos-border: var(--border-default);--logos-tile-bg: var(--neutral-0);--logos-accent: var(--brand-primary);background:var(--logos-bg);color:var(--logos-fg);padding:var(--section-pad-y-sm) var(--page-gutter);position:relative;isolation:isolate;overflow:hidden;margin:var(--space-5) auto;max-width:var(--container-wide);border-radius:var(--radius-2xl)}.logos:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% -10%,color-mix(in srgb,var(--brand-skyblue) 14%,transparent),transparent 65%);pointer-events:none;z-index:-1}.logos__inner{max-width:var(--container-max);margin:0 auto;display:grid;gap:var(--space-6);justify-items:center;text-align:center}.logos__eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:var(--text-caption);text-transform:uppercase;letter-spacing:var(--ls-widest);font-weight:var(--fw-semibold);color:var(--logos-muted);margin:0}.logos__eyebrow:before,.logos__eyebrow:after{content:"";width:28px;height:1px;background:var(--logos-border)}.logos__row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:var(--space-5);width:100%;align-items:stretch;list-style:none;margin:0;padding:0}@media(max-width:960px){.logos__row{grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4)}}@media(max-width:480px){.logos__row{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}}.logos__tile{display:flex;align-items:center;justify-content:center;gap:10px;min-height:72px;padding:var(--space-4) var(--space-3);background:var(--logos-tile-bg);border:1px solid var(--logos-border);border-radius:var(--radius-md);opacity:.7;filter:grayscale(100%);transition:opacity var(--transition-base),filter var(--transition-base),border-color var(--transition-base),transform var(--transition-base),box-shadow var(--transition-base)}.logos__tile:hover,.logos__tile:focus-within{opacity:1;filter:grayscale(0);border-color:color-mix(in srgb,var(--logos-accent) 35%,var(--logos-border));transform:translateY(-1px);box-shadow:var(--shadow-sm)}.logos__mark{width:14px;height:14px;flex-shrink:0;border-radius:3px;background:var(--mark, var(--brand-primary))}.logos__tile--circle .logos__mark{border-radius:var(--radius-full)}.logos__tile--bar .logos__mark{width:18px;height:4px;border-radius:2px}.logos__tile--wedge .logos__mark{clip-path:polygon(0 100%,100% 100%,100% 0)}.logos__tile--hex .logos__mark{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.logos__tile--cross .logos__mark{background:linear-gradient(var(--mark),var(--mark)) center / 100% 30% no-repeat,linear-gradient(var(--mark),var(--mark)) center / 30% 100% no-repeat;width:14px;height:14px}.logos__name{font-family:var(--font-display);font-size:var(--text-small);font-weight:var(--fw-semibold);letter-spacing:var(--ls-tight);color:var(--logos-fg);white-space:nowrap}@media(max-width:480px){.logos__name{font-size:.8125rem}}.logos__caveat{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:var(--ls-wide);text-transform:uppercase;color:var(--logos-muted);opacity:.75;margin:0}[data-theme=dark] .logos{--logos-bg: #0E131C;--logos-fg: #E9EAEC;--logos-muted: #9CA1AB;--logos-border: #232A37;--logos-tile-bg: #151B26;--logos-accent: #4D8BE6}[data-theme=dark] .logos:before{background:radial-gradient(ellipse 70% 50% at 50% -10%,color-mix(in srgb,var(--brand-skyblue) 7%,transparent),transparent 65%)}[data-theme=dark] .logos .logos__tile{opacity:.65}[data-theme=dark] .logos .logos__tile:hover,[data-theme=dark] .logos .logos__tile:focus-within{opacity:1;border-color:color-mix(in srgb,var(--logos-accent) 50%,var(--logos-border));box-shadow:0 6px 20px -8px #00000080}