/* Reading Answer Rules: page-scoped composition on frozen site tokens. */
.rar-page .rar-opening{padding:64px var(--gutter) 72px;background:var(--paper);border-bottom:1px solid var(--line-gold)}
.rar-opening__inner{max-width:var(--measure-wide);margin-inline:auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
.rar-eyebrow{font-size:var(--fs-meta);line-height:1.85;color:var(--ink-meta);margin:0 0 24px}
.rar-title{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,5vw,56px);line-height:1.5;color:var(--ink);margin:0 0 24px;max-width:440px}
.rar-lead{font-size:var(--fs-lead);line-height:1.8;max-width:440px;color:var(--ink-soft);margin:0 0 24px}
.rar-invitation{font-size:var(--fs-body);line-height:1.85;margin:0 0 8px;color:var(--ink)}
.rar-quiet{display:inline-flex;align-items:center;min-height:44px;color:var(--ink-soft);font-size:var(--fs-body);text-decoration:underline;text-underline-offset:4px}
.rar-opening__practice{background:var(--slip);border:1px solid var(--line-gold);border-radius:var(--r-surface);padding:32px}
.rar-exercise{padding:32px 0;min-width:0;color:var(--ink)}
.rar-opening__practice .rar-exercise{padding:0}
.rar-exercise+.rar-exercise{border-top:1px solid var(--line-gold)}
.rar-exercise p{font-size:var(--fs-body);line-height:1.85;margin:0 0 16px}
.rar-exercise [lang=en]{line-height:1.6;text-align:start;overflow-wrap:anywhere}
.rar-exercise .rar-label{font-size:var(--fs-meta);font-weight:600;color:var(--ink-meta);margin-bottom:16px}
.rar-exercise label{font-size:var(--fs-body);line-height:1.85;display:block}
.rar-exercise input{display:block;box-sizing:border-box;max-width:100%;width:100%;min-height:48px;margin:8px 0 16px;padding:8px 12px;border:1px solid var(--ink-soft);border-radius:var(--r-control);background:var(--paper);color:var(--ink);font:500 16px/1.6 var(--font-en)}
.rar-exercise details{border-top:1px dashed var(--line-dash)}
.rar-exercise summary,.rar-depth summary{box-sizing:border-box;min-height:48px;padding:12px 0;cursor:pointer;font-size:var(--fs-body);line-height:1.85;color:var(--ink)}
.rar-exercise [data-rar-retry]{min-height:44px;margin-top:16px;padding:8px 16px;border:1px solid var(--ink);border-radius:var(--r-control);background:var(--paper);color:var(--ink);font:600 16px/1.85 var(--font-fa);cursor:pointer}
.rar-exercise [hidden]{display:none}
.rar-exercise [data-rar-first]{font-size:var(--fs-meta);line-height:1.85;color:var(--ink-soft);overflow-wrap:anywhere}
.rar-exercise .rar-hint,.rar-exercise .rar-manual{font-size:var(--fs-body);line-height:1.85;border-inline-start:2px dashed var(--line-dash);padding-inline-start:12px;color:var(--ink)}
.rar-page .rar-map{max-width:var(--measure-lesson);margin:24px auto 0;padding-inline:var(--gutter)}
.rar-map>summary{min-height:44px;padding-block:12px;color:var(--ink-soft);cursor:pointer;font-size:var(--fs-body)}
.rar-map .toc{padding:16px 0}
.rar-map .toc__title{display:none}
.rar-page .rar-article{padding:0 var(--gutter);content-visibility:visible}
.rar-article .article__inner{max-width:var(--measure-lesson)}
.rar-chapter{padding:72px 0;border-bottom:1px solid var(--line-gold)}
.rar-chapter h2{font-family:var(--font-display);font-weight:700;font-size:var(--fs-h1);line-height:1.5;margin:0 0 24px;scroll-margin-top:128px}
.rar-chapter p{font-size:var(--fs-body);line-height:1.85;margin:0 0 24px}
.rar-method{margin:32px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:center}
.rar-steps{margin:0;padding-inline-start:24px}
.rar-steps li{padding:12px 0;font-size:var(--fs-body);line-height:1.85}
.rar-steps strong,.rar-steps span{display:block}
.rar-steps span{color:var(--ink-soft)}
.rar-figure{margin:0;padding:40px 0;min-width:0}
.rar-figure img{display:block;width:min(100%,240px);height:auto;margin:0 auto 40px}
.rar-figure figcaption{font-size:var(--fs-meta);line-height:1.85;color:var(--ink-meta);text-align:center}
.rar-depth{border-top:1px dashed var(--line-dash);margin-top:24px}
.rar-specimen{margin:32px 0;padding:24px;background:var(--slip);border:1px solid var(--line-gold);border-radius:var(--r-surface);color:var(--ink)}
.rar-specimen p{font-size:var(--fs-lead);line-height:1.6;margin:0 0 24px}
.rar-specimen p:last-child{margin-bottom:0}
.rar-specimen .rar-question{border-top:1px dashed var(--line-dash);padding-top:16px;font-size:var(--fs-body)}
.rar-contrast{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:32px 0}
.rar-contrast dt{font-size:var(--fs-h1);font-weight:700;color:var(--ink);margin-bottom:8px}
.rar-contrast dd{margin:0;font-size:var(--fs-body);line-height:1.85;color:var(--ink-soft)}
.rar-transform{display:flex;gap:24px;align-items:center;justify-content:space-between;margin:40px 0}
.rar-transform>div{min-width:0}
.rar-transform span{display:block;font-size:var(--fs-meta);line-height:1.85;color:var(--ink-meta)}
.rar-transform strong{display:block;font-size:var(--fs-h3);font-weight:700;line-height:1.6;overflow-wrap:anywhere;color:var(--ink)}
.rar-wordcount{display:flex;flex-wrap:wrap;gap:16px;margin:32px 0 16px;font-size:var(--fs-lead);line-height:1.6}
.rar-wordcount span{border-bottom:2px solid var(--ink);padding-bottom:8px}
.rar-chapter .rar-caption{font-size:var(--fs-meta);line-height:1.85;color:var(--ink-meta)}
.rar-practice{padding:0;margin:0}
.rar-review{border-inline-start:2px dashed var(--line-dash);padding-inline-start:24px;margin:32px 0}
.rar-page .lesson-video{padding:40px var(--gutter);background:var(--paper)}
.rar-page .lesson-video__inner{max-width:var(--measure-lesson)}
.rar-page .lesson-video h2{font-family:var(--font-display);font-weight:700;font-size:var(--fs-h3);line-height:1.5;margin:0 0 16px}
.rar-page .lesson-video p{font-size:var(--fs-body);line-height:1.85;color:var(--ink-soft)}
.rar-page .lesson-video .eyebrow{font-size:var(--fs-meta)}
.rar-page .fswitch{padding:40px var(--gutter)}
.rar-page :is(input,summary,button,a):focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.rar-page .lbar__toggle{appearance:none;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:48px;padding:12px var(--gutter);border:0;background:var(--paper);color:var(--ink);font:600 16px/1.85 var(--font-fa);text-align:start;cursor:pointer}
.rar-page .lbar__toggle svg{width:16px;height:16px;flex-shrink:0}
.rar-page .lbar:not(.is-shown){visibility:hidden}
@media(max-width:768px){.rar-opening__inner{grid-template-columns:1fr;gap:40px}.rar-page .rar-opening{padding-block:40px}.rar-title{font-size:40px}.rar-opening__practice{padding:24px}.rar-chapter{padding:48px 0}.rar-method{grid-template-columns:1fr}.rar-figure{padding:40px}.rar-figure img{margin-bottom:40px}.rar-contrast{gap:24px}.rar-transform{gap:16px}.rar-transform strong{font-size:var(--fs-lead)}}
@media print{.rar-page .rar-opening{display:block}.rar-opening__inner{display:block}.rar-exercise input,.rar-exercise [data-rar-retry],.rar-map{display:none}.rar-chapter{break-inside:avoid;padding:24px 0}.rar-exercise{break-inside:avoid}}