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button[aria-pressed=true]{background:var(--text);color:var(--background)}.toggles{gap:4px;display:inline-flex}.toggle,.icon-button{height:var(--control-height);min-width:var(--control-height);border-radius:var(--radius-small);background:var(--wash);color:var(--muted);border:0;justify-content:center;align-items:center;gap:6px;padding:0 9px;font-size:.8125rem;font-weight:500;transition:background .15s,color .15s;display:inline-flex}.icon-button{color:var(--text);padding:0}.toggle:hover,.icon-button:hover{background:var(--wash-strong);color:var(--text)}.toggle[aria-pressed=true]{color:var(--text);background:#f5a52424}.toggle[aria-pressed=true] .icon{color:var(--accent)}.toggle .icon{width:16px;height:16px}.toggle .icon-fill{fill:currentColor;stroke:none;opacity:.45}@container (width<=1000px){.toggle-label{display:none}.toggle{padding:0}}@container (width<=620px){.readouts{display:none}}@media (width<=899px){:root{--stage-inset:10px}.gauge{display:none}.dock{gap:8px;padding:8px 10px}.dock-main{grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"status status status""play scrub more";align-items:center;gap:6px 10px}.phase-buttons{display:none}.prose{padding-bottom:24px}.chapter{padding-left:0}.chapter:before{display:none}.play-button{width:44px;height:44px}.dock-status{font-size:.8125rem;line-height:1.2;display:flex}.dock-status .number{min-width:4ch}.icon-button.dock-more{width:44px;height:44px;display:inline-flex}.dock-more[aria-expanded=true]{background:var(--text);color:var(--background)}.dock-extra{max-height:calc(var(--stage-height) - 120px);gap:8px;display:none;overflow-y:auto}.dock[data-expanded=true] .dock-extra{display:flex}.speed-field{--speed-range-width:150px;flex-basis:100%}.dock-language{height:var(--control-height);padding-block:0;display:inline-block}.field-value{min-width:0}}.chapter{color:var(--prose);padding:56px 0 56px 22px;font-size:1.0625rem;line-height:1.72;position:relative}.chapter:before{content:"";background:var(--line);border-radius:1px;width:2px;transition:background .35s,box-shadow .35s;position:absolute;top:60px;bottom:56px;left:0}.chapter.is-active:before{background:var(--accent);box-shadow:0 0 14px #f5a52459}.chapter-index{color:var(--muted);font:500 .75rem var(--font-mono);letter-spacing:.04em;margin:0 0 6px;transition:color .35s}.chapter.is-active .chapter-index{color:var(--accent)}.chapter h2{color:var(--text);letter-spacing:-.02em;margin:0 0 18px;font-size:clamp(1.5rem,1.25rem + .9vw,1.85rem);font-weight:650;line-height:1.2}.chapter h3{color:var(--tone,var(--text));margin:0 0 4px;font-size:1.0625rem;font-weight:600}.chapter p{margin:0 0 16px}.chapter strong{color:var(--text);font-weight:600}.more-explainers{border-top:1px solid var(--line);padding-top:32px;container:more-explainers/inline-size}.more-explainers-title{color:var(--text);letter-spacing:-.02em;margin:0 0 18px;font-size:1.25rem;font-weight:650;line-height:1.2}.more-explainers-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.more-explainer{border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);height:100%;box-shadow:var(--shadow);color:var(--text);align-items:center;gap:14px;text-decoration:none;transition:transform .2s,border-color .2s;display:flex;overflow:hidden}.more-explainer:hover,.more-explainer:focus-visible{border-color:#f5a52480;transform:translateY(-2px)}.more-explainer:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.more-explainer-cover{aspect-ratio:4/3;border-right:1px solid var(--line);background:radial-gradient(ellipse at 50% 42%, #28303c8c, transparent 62%), linear-gradient(180deg, #0e1116, var(--background));flex:none;width:7.5rem;overflow:hidden}.more-explainer-cover img{object-fit:cover;width:100%;height:100%;display:block}.more-explainer-title{letter-spacing:-.01em;padding:12px 16px 12px 0;font-size:.9375rem;font-weight:600;line-height:1.3}@container more-explainers (width>=36rem){.more-explainers-list{grid-template-columns:repeat(3,minmax(0,1fr))}.more-explainer{flex-direction:column;align-items:stretch;gap:0}.more-explainer-cover{border-right:0;border-bottom:1px solid var(--line);width:auto}.more-explainer-title{padding:12px 14px 14px}}.aside{color:var(--muted);font-size:.9375rem}.chip-row{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.chip{--tone:var(--accent);border:1px solid var(--line-strong);background:var(--wash);height:32px;color:var(--text);border-radius:999px;align-items:center;gap:8px;padding:0 14px 0 12px;font-size:.875rem;font-weight:500;transition:background .15s,border-color .15s;display:inline-flex}.chip:before{content:"";background:var(--tone);border-radius:50%;width:7px;height:7px}.chip:hover{border-color:color-mix(in srgb, var(--tone) 60%, transparent);background:color-mix(in srgb, var(--tone) 12%, transparent)}.chip[aria-pressed=true]{border-color:var(--tone);background:color-mix(in srgb, var(--tone) 16%, transparent)}.range-widget{--readout-min-width:12rem;border:1px solid var(--line);background:var(--wash);border-radius:12px;gap:12px;margin:24px 0;padding:16px 18px 14px;display:grid}.range-widget__header{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.range-widget__header label{color:var(--text);font-size:.9375rem;font-weight:600}.range-widget__header output{color:var(--accent);white-space:nowrap;font-size:1.25rem;font-weight:500}.range-widget .range{width:100%;height:24px}.range-widget__scale{color:var(--muted);justify-content:space-between;margin:-6px 7px 0;font-size:.75rem;display:flex}.range-widget__readouts{grid-template-columns:repeat(auto-fit, minmax(var(--readout-min-width), 1fr));gap:10px 16px;margin:0;display:grid}.range-widget__readouts dt{color:var(--muted);font-size:.8125rem;line-height:1.4}.range-widget__readouts dd{color:var(--text);margin:2px 0 0;font-size:1rem}.table-wrap{border:1px solid var(--line);border-radius:12px;margin:20px 0 24px;overflow-x:auto}.table-wrap table{border-collapse:collapse;width:100%;font-size:.9375rem;line-height:1.5}.table-wrap th,.table-wrap td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 14px}.table-wrap tr:last-child th,.table-wrap tr:last-child td{border-bottom:0}.shortcuts th{width:32%;color:var(--muted);white-space:nowrap;font-weight:500}kbd{border:1px solid var(--line-strong);background:var(--wash);min-width:1.7em;color:var(--text);font:500 .8125rem/1.5 var(--font-mono);text-align:center;border-bottom-width:2px;border-radius:6px;padding:1px 6px;display:inline-block}@media (width<=480px){.chapter{font-size:1rem}}@media (hover:none) and (pointer:coarse){.keyboard-only{display:none}}@media (pointer:coarse){.stage{--stage-button-size:44px}.dock{--control-height:40px}.scrubber input,.range,.range-widget .range{height:44px}.dock .scrubber input,.dock .range,.range-widget .range{touch-action:none}.scrubber input::-webkit-slider-thumb{width:24px;height:24px;margin-top:-9px}.scrubber input::-moz-range-thumb{width:24px;height:24px}.range::-webkit-slider-thumb{width:22px;height:22px;margin-top:-9px}.range::-moz-range-thumb{width:22px;height:22px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width>=600px) and (width<=899px) and (height<=520px) and (orientation:landscape){:root{--desktop-stage-share:50fr;--desktop-prose-share:50fr}.masthead,.prose{padding-inline:20px}.masthead{padding-top:24px}}