.guide-shell{max-width:1080px;margin:auto;padding:48px 24px 72px}.guide-welcome{max-width:740px;margin-bottom:32px}.guide-welcome h1{font-size:clamp(36px,6vw,60px)}.guide-download{display:inline-block;padding:13px 18px;margin-top:8px;background:var(--ink);color:var(--bg);border-radius:12px;text-decoration:none;font-weight:650}.guide-contents{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:28px 0 40px}.guide-contents a{padding:14px;border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;line-height:1.4}.guide-contents a:hover{background:var(--white)}.guide-chapter{margin:24px 0;padding:clamp(20px,4vw,40px);border:1px solid var(--line);border-radius:18px;background:var(--white);scroll-margin-top:24px}.guide-chapter>p:first-child{font-size:11px;letter-spacing:.07em;color:var(--muted)}.guide-chapter>p:nth-child(2){font-size:clamp(25px,4vw,36px);line-height:1.2;font-weight:650;letter-spacing:-1px}.guide-chapter p{max-width:80ch;line-height:1.75}.guide-chapter h2{font-size:20px;line-height:1.3;margin-top:28px}.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px}.table-scroll table{width:100%;border-collapse:collapse;font-size:14px;min-width:540px}.table-scroll th,.table-scroll td{padding:14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);line-height:1.55}.table-scroll th{background:var(--bg);font-weight:650}.table-scroll tr:last-child td{border-bottom:0}.guide-end{padding:24px 0}.skip-link{position:absolute;top:-100px;left:16px;background:var(--white);color:var(--ink);padding:12px;z-index:5}.skip-link:focus{top:10px}:root[data-theme=dark] .guide-chapter{background:linear-gradient(135deg,#ffffff0a,#ffffff02),#141414;border-color:#ffffff24;box-shadow:inset 0 1px #ffffff10,0 14px 36px #0003}:root[data-theme=dark] .guide-contents a{border-color:#ffffff24}.guide-shell a:focus-visible{outline:3px solid var(--ink);outline-offset:4px}@media(max-width:650px){.guide-contents{grid-template-columns:1fr}.app-header{height:auto;min-height:86px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}.header-tools{flex-wrap:wrap}.guide-shell{padding:28px 16px 60px}.guide-chapter{padding:20px}.guide-chapter p{font-size:15px}}@media print{.app-header,.guide-contents,.guide-download,.skip-link{display:none}body,.guide-chapter{background:white!important;color:black!important;box-shadow:none!important}.guide-shell{max-width:none;padding:0}.guide-chapter{break-before:page;border:0}.guide-chapter:first-child{break-before:auto}.table-scroll{overflow:visible}a{color:black!important}table{min-width:0!important}}

/* One chapter at a time, with the controls outside its scrolling panel. */
.guide-contents{margin-bottom:24px}
.guide-contents a[aria-current=page]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.guide-reader{scroll-margin-top:16px}
.reader-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;border:1px solid var(--line);border-bottom:0;border-radius:18px 18px 0 0;background:var(--bg)}
.reader-controls[hidden]{display:none}
.reader-controls>div{text-align:center}
.reader-controls p{margin:0;font-weight:650;font-size:14px}
.reader-hint{font-size:12px;color:var(--muted)}
.reader-controls button{padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--white);color:var(--ink);font:inherit;font-size:14px;cursor:pointer;white-space:nowrap}
.reader-controls button:disabled{opacity:.35;cursor:default}
.is-paged .reader-pages{height:65vh;height:65dvh;overflow-y:auto;overscroll-behavior-y:contain;border:1px solid var(--line);border-radius:0 0 18px 18px;scrollbar-gutter:stable}
.is-paged .guide-chapter{margin:0;min-height:100%;border:0;border-radius:0;box-shadow:none}
.is-paged .guide-chapter[hidden]{display:none}
.guide-shell :is(button,.reader-pages):focus-visible{outline:2px solid var(--ink);outline-offset:3px}
@media(max-width:650px){.guide-contents{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.guide-contents a{padding:10px;font-size:12px}.reader-controls{padding:12px 8px;gap:6px}.reader-controls button{padding:10px;font-size:12px}.reader-hint{display:none}.reader-controls p{font-size:12px}.is-paged .reader-pages{height:65vh;height:65dvh}}
@media print{.reader-controls{display:none}.is-paged .reader-pages{height:auto;overflow:visible;border:0}.is-paged .guide-chapter[hidden]{display:block}.is-paged .guide-chapter{min-height:0;break-before:page}.is-paged .guide-chapter:first-child{break-before:auto}}