/* CDRN Handbook (v34). Loads after styles.css and v34.css. Reuses the site's colour variables. */

.hb-hero{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.hb-hero h1{font-size:clamp(2rem,4.4vw,3.3rem);max-width:22ch;margin-bottom:6px}
.hb-subtitle{font-size:clamp(1.1rem,1.9vw,1.45rem);color:var(--ink-2);font-weight:650;margin:0 0 18px}
.hb-hero .lead{max-width:62ch}
.hb-statusline{margin:18px 0 0;font-size:.88rem;color:var(--ink-2);max-width:78ch;line-height:1.55}
.hb-narrow{max-width:860px}
.nowrap{white-space:nowrap}

/* search */
.hb-search{display:flex;gap:10px;align-items:stretch;max-width:700px;margin-top:26px}
.hb-search input{flex:1 1 auto;min-width:0;min-height:52px;border-radius:10px}
.hb-search .button{flex:0 0 auto}
.hb-results-wrap{background:var(--surface-2);border-bottom:1px solid var(--line)}
.hb-result-head{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:baseline;justify-content:space-between;margin-bottom:14px}
.hb-result-head h2{font-size:1.2rem;margin:0}
.hb-result-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.hb-result{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.hb-result a{font-weight:720;color:var(--ink);text-decoration:none;overflow-wrap:anywhere}
.hb-result a:hover{text-decoration:underline;text-underline-offset:3px}
.hb-result-where{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.78rem;color:var(--muted);margin:2px 0 6px}
.hb-result p{margin:0;font-size:.9rem;color:var(--ink-2);overflow-wrap:anywhere}
.hb-result mark{background:#bff4ec;color:#0a2e29;padding:0 2px;border-radius:3px}
.hb-empty{background:#fff;border:1px dashed var(--line-strong);border-radius:12px;padding:20px}

/* chips */
.hb-chip{display:inline-flex;align-items:center;min-height:24px;padding:2px 9px;border-radius:999px;font-size:.72rem;font-weight:760;letter-spacing:.02em;white-space:nowrap}
.hb-chip-pub{background:var(--teal-soft);color:#0b5f58;border:1px solid #bfdad6}
.hb-chip-up{background:#f1eee6;color:#5c5648;border:1px solid var(--line-strong)}

/* my reading */
.hb-mine{padding:36px 0}
.hb-mine-card{display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 28px}
.hb-mine-card h2{font-size:1.4rem;margin:0 0 6px}
.hb-mine-card p{margin:0;color:var(--ink-2);max-width:60ch;font-size:.94rem}
.hb-mine-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* chapter grid */
.hb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.hb-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;min-width:0}
.hb-card.is-pub{border-color:#9fcfc8;box-shadow:0 10px 26px rgba(14,125,116,.08)}
.hb-card:not(.is-pub){background:#fbfaf6}
.hb-card-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.hb-num-big{font-size:1.5rem;font-weight:800;color:var(--teal);letter-spacing:-.02em;line-height:1}
.hb-card h3{font-size:1.12rem;margin:0;line-height:1.25}
.hb-card h3 a{color:var(--ink);text-decoration:none}
.hb-card h3 a:hover{text-decoration:underline;text-underline-offset:3px}
.hb-card p{margin:0;font-size:.88rem;color:var(--ink-2);flex:1 1 auto}
.hb-card-foot{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:space-between;align-items:center;margin-top:4px;padding-top:12px;border-top:1px solid var(--line)}
.hb-card-link{font-weight:720;font-size:.86rem;color:var(--teal);text-decoration:none}
.hb-card-link:hover{text-decoration:underline;text-underline-offset:3px}
.hb-prog{font-size:.78rem;color:var(--muted)}

.hb-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.hb-three article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.hb-three span{display:block;font-size:.76rem;font-weight:800;color:var(--teal);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.hb-three h3{margin:0 0 8px;font-size:1.1rem}
.hb-three p{margin:0;font-size:.9rem;color:var(--ink-2)}
.hb-note{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 26px;max-width:860px}
.hb-note h2{font-size:1.35rem;margin:0 0 10px}
.hb-note p{margin:0 0 10px;color:var(--ink-2)}

/* chapter header */
.hb-head{padding:40px 0 30px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--bg))}
.hb-head h1{font-size:clamp(1.9rem,4vw,3rem);max-width:24ch;margin:0 0 12px;overflow-wrap:break-word}
.hb-head .lead{max-width:68ch;margin:0}
.hb-crumbs{display:flex;flex-wrap:wrap;gap:6px 8px;font-size:.8rem;color:var(--muted);margin-bottom:18px}
.hb-crumbs a{color:var(--muted);text-decoration:none;padding:6px 0;display:inline-block}
.hb-crumbs a:hover{color:var(--ink);text-decoration:underline}
.hb-meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin:22px 0 0;padding:0}
.hb-meta div{min-width:0}
.hb-meta dt{font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:760}
.hb-meta dd{margin:2px 0 0;font-size:.92rem;font-weight:650;color:var(--ink)}

.hb-quick{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin:18px 0 0;font-size:.9rem}
.hb-quick span{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
.hb-quick a{color:#0b5f58;font-weight:680;text-underline-offset:3px;padding:4px 0}

/* layout */
.hb-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;padding-top:40px;padding-bottom:72px;align-items:start}
.hb-side{position:sticky;top:96px;max-height:calc(100vh - 116px);overflow:auto;font-size:.88rem;padding-right:4px}
.hb-side-search{display:flex;gap:8px;margin-bottom:18px}
.hb-side-search input{min-width:0;min-height:42px;font-size:.88rem}
.hb-side-title{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:780;margin:0 0 8px}
.hb-toc ol,.hb-allch ol{list-style:none;margin:0;padding:0}
.hb-toc li{margin:0}
.hb-toc a{display:block;padding:6px 10px;border-left:2px solid var(--line);color:var(--ink-2);text-decoration:none;line-height:1.35}
.hb-toc a:hover,.hb-toc a.is-active{border-left-color:var(--teal);color:var(--ink);background:var(--surface-2)}
.hb-allch{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}
.hb-allch summary{cursor:pointer;font-weight:720;margin-bottom:8px}
.hb-allch a{display:flex;gap:10px;align-items:baseline;padding:6px 4px;color:var(--ink-2);text-decoration:none;line-height:1.3}
.hb-allch a:hover{color:var(--ink);text-decoration:underline}
.hb-allch a[aria-current=page]{font-weight:760;color:var(--teal)}
.hb-allch .hb-num{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.78rem;min-width:1.4rem}
.hb-allch small{color:var(--muted);margin-left:auto;font-size:.7rem}

/* article typography */
.hb-article{min-width:0;max-width:780px;font-size:1.02rem;line-height:1.7;color:var(--ink-2)}
.hb-article h2{font-size:clamp(1.45rem,2.6vw,1.95rem);margin:2.4em 0 .6em;color:var(--ink);scroll-margin-top:96px;line-height:1.2}
.hb-article>h2:first-child,.hb-article>section:first-child>h2:first-child{margin-top:0}
.hb-article h3{font-size:1.18rem;margin:1.9em 0 .5em;color:var(--ink);scroll-margin-top:96px;line-height:1.3}
.hb-article p{margin:0 0 1em}
.hb-article ul,.hb-article ol{margin:0 0 1.1em;padding-left:1.35em}
.hb-article li{margin:.4em 0}
.hb-article strong{color:var(--ink)}
.hb-article code{background:#efece4;border-radius:5px;padding:1px 6px;font-size:.88em;overflow-wrap:anywhere}
.hb-article a{color:var(--link);text-underline-offset:3px;overflow-wrap:anywhere}
.hb-cite{font-size:.72em;line-height:0}
.hb-cite a{text-decoration:none;padding:0 1px}
.hb-quote{margin:1.2em 0;padding:14px 18px;border-left:3px solid var(--teal);background:var(--teal-soft);border-radius:0 10px 10px 0;color:var(--ink)}
.hb-quote p{margin:0}
.hb-pre{background:#161b22;color:#e8ecef;border-radius:12px;padding:16px 18px;margin:1.2em 0;font-size:.84rem;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal}
.hb-pre code{background:none;padding:0;color:inherit;font-size:inherit}

/* callouts */
.hb-callout{border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:1.5em 0;background:#fff}
.hb-callout p{margin:0 0 .6em}
.hb-callout p:last-child{margin-bottom:0}
.hb-callout-title{font-weight:780;color:var(--ink);font-size:.95rem}
.hb-key{background:var(--teal-soft);border-color:#a8d3cd}
.hb-note{background:#fff}
.hb-warning{background:var(--amber-soft);border-color:#e1c1a8}
.hb-example{background:#f4f1eb}

/* tables */
.hb-table-wrap{margin:1.4em 0;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.hb-table{width:100%;border-collapse:collapse;font-size:.88rem;line-height:1.45;table-layout:auto}
.hb-table caption{caption-side:top;text-align:left;font-weight:760;color:var(--ink);padding:12px 14px 6px;font-size:.9rem}
.hb-table th,.hb-table td{padding:10px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--line);overflow-wrap:break-word;hyphens:manual}
.hb-table tbody th{min-width:6.2rem}
.hb-table thead th{background:var(--surface-2);font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);border-top:0}
.hb-table tbody th{font-weight:720;color:var(--ink)}
.hb-table-sm{font-size:.8rem}
.hb-table-sm th,.hb-table-sm td{padding:8px 10px}
.hb-table-sm tbody th{min-width:3.4rem}

/* boxes */
.hb-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 26px;margin:2.4em 0 0}
.hb-box h2{margin:0 0 .5em!important;font-size:1.4rem!important}
.hb-box-kicker{font-size:.72rem!important;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--teal)!important;margin:0 0 6px!important}
.hb-template{border-color:#d8c8a5;background:#fffdf7}
.hb-tool{border-color:#9fcfc8;background:#f3faf8}
.hb-review{background:#f7f6f2}
.hb-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:14px 0 0!important}
.hb-tool-list{list-style:none;padding:0!important;margin:14px 0 0!important;display:grid;gap:12px}
.hb-tool-list li{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin:0}
.hb-tool-list span{font-size:.88rem;color:var(--ink-2)}
.hb-related-title{font-size:.78rem!important;font-weight:760;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)!important;margin:20px 0 6px!important}
.hb-related{margin:0!important}
.hb-reflist{padding-left:1.5em;margin:0}
.hb-reflist li{margin:.7em 0;font-size:.92rem;line-height:1.55}
.hb-reflist-plain{list-style:none;padding-left:0}
.hb-used{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}
.hb-task{display:flex;gap:16px;border-top:1px solid var(--line);padding-top:18px;margin-top:18px}
.hb-task h3{margin:0 0 2px;font-size:1.1rem}
.hb-task p{margin:0 0 8px}
.hb-task .hb-num-big{flex:0 0 2.2rem}

.hb-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:48px 0 20px}
.hb-prevnext a{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 18px;background:#fff;text-decoration:none;color:var(--ink)}
.hb-prevnext a:hover{border-color:var(--teal)}
.hb-prevnext small{display:block;color:var(--muted);font-size:.74rem;margin-bottom:2px}
.hb-prevnext strong{font-size:.98rem;line-height:1.3}
.hb-next{text-align:right}
.hb-cite-line{margin-top:10px}

/* reading progress */
.hb-readbar{position:fixed;left:0;right:0;bottom:0;height:3px;background:transparent;z-index:90;pointer-events:none}
.hb-readbar span{display:block;height:100%;width:0;background:var(--accent);transition:width .1s linear}

@media (max-width:1040px){
  .hb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hb-layout{grid-template-columns:1fr;gap:20px;padding-top:24px}
  .hb-side{position:static;max-height:none;overflow:visible;border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff}
  .hb-toc ol{display:flex;flex-wrap:wrap;gap:6px}
  .hb-toc a{border:1px solid var(--line);border-left:1px solid var(--line);border-radius:999px;padding:6px 12px;background:#fbfaf6;font-size:.84rem}
  .hb-toc a:hover,.hb-toc a.is-active{border-color:var(--teal);background:var(--teal-soft)}
  .hb-allch{margin-top:14px;padding-top:10px}
}
@media (max-width:720px){
  .hb-hero{padding:44px 0 30px}
  .hb-search{flex-direction:column}
  .hb-grid,.hb-three{grid-template-columns:1fr}
  .hb-mine-card{padding:20px}
  .hb-box{padding:20px 18px}
  .hb-prevnext{grid-template-columns:1fr}
  .hb-next{text-align:left}
  .hb-article{font-size:1rem}
}
@media (max-width:899px){
  .hb-table-wide thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .hb-table-wide,.hb-table-wide tbody,.hb-table-wide tr,.hb-table-wide th,.hb-table-wide td{display:block;width:100%}
  .hb-table-wide caption{display:block;width:100%}
  .hb-table-wide tr{border-top:1px solid var(--line);padding:6px 0}
  .hb-table-wide tbody tr:first-child{border-top:0}
  .hb-table-wide th,.hb-table-wide td{border-top:0;padding:4px 14px}
  .hb-table-wide td::before{content:attr(data-label);display:block;font-size:.68rem;font-weight:780;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .hb-table-wide tbody th{padding-top:8px;font-size:.95rem}
}
@media (max-width:720px){
  .hb-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .hb-table,.hb-table tbody,.hb-table tr,.hb-table th,.hb-table td{display:block;width:100%}
  .hb-table caption{display:block;width:100%}
  .hb-table tr{border-top:1px solid var(--line);padding:6px 0}
  .hb-table tbody tr:first-child{border-top:0}
  .hb-table th,.hb-table td{border-top:0;padding:4px 14px}
  .hb-table td::before{content:attr(data-label);display:block;font-size:.68rem;font-weight:780;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  .hb-table tbody th{padding-top:8px;font-size:.95rem}
}

@media print{
  .site-header,.section-tabs,.site-footer,.hb-side,.hb-readbar,.hb-prevnext,.skip-link,.hb-search,.hb-actions{display:none!important}
  body{background:#fff;color:#000}
  .hb-layout{display:block;padding:0}
  .hb-article{max-width:none;font-size:11pt}
  .hb-box,.hb-callout,.hb-table-wrap{break-inside:avoid;border-color:#999;background:#fff}
  .hb-head{background:#fff}
  a{color:#000;text-decoration:none}
}