/* past board papers (Std XII) */
.yr{font-size:.72em;font-weight:600;color:var(--muted);white-space:nowrap;font-family:Figtree,sans-serif}
.q-st,.q-ar{display:flex;flex-direction:column;gap:3px;margin-top:6px;font-size:.95em;font-weight:500}
/* highlighted entry at the top of each Std XII subject's chapter list */
.bd-side{display:flex!important;align-items:center;gap:10px;margin:0 0 10px;padding:10px 12px;border-radius:14px;border:1.5px solid var(--gold);background:linear-gradient(135deg,color-mix(in srgb,var(--gold) 22%,var(--card)),var(--card));box-shadow:0 2px 8px color-mix(in srgb,var(--gold) 25%,transparent);cursor:pointer}
.bd-side:hover{border-color:var(--brand)}
.bd-side-ic{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--gold);color:#3a2800;font-size:1rem}
.bd-side-tx{display:flex;flex-direction:column;min-width:0;flex:1}
.bd-side-tx b{font-size:.98rem}
.bd-side-tx small{color:var(--muted);font-size:.76rem;line-height:1.3}
.bd-side-go{font-size:1.4rem;color:var(--muted);line-height:1}
.bd-side.active{background:var(--brand);border-color:var(--brand);box-shadow:none}
.bd-side.active .bd-side-tx b,.bd-side.active .bd-side-tx small,.bd-side.active .bd-side-go{color:var(--on-brand)}
/* top menu button */
.bd-top{border-color:var(--gold);background:color-mix(in srgb,var(--gold) 18%,var(--card));font-weight:600}
.bd-top.active{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
/* strip on a Std XII chapter page */
.bd-strip{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:10px 0 14px;padding:10px 12px;border-radius:14px;border:1.5px solid var(--gold);background:color-mix(in srgb,var(--gold) 12%,var(--card))}
.bd-strip-ic{flex:none;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--gold);color:#3a2800}
.bd-strip-tx{flex:1;min-width:200px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.bd-strip-tx small{flex-basis:100%;color:var(--muted);font-size:.82rem}
.bd-strip-y{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:0 8px;font-size:.8rem;font-weight:600}
.bd-strip-btns{display:flex;gap:6px;flex-wrap:wrap}
/* header */
.bd-head h2{margin:0 0 10px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.bd-sub{font-size:.8rem;font-weight:600;color:var(--muted);font-family:Figtree,sans-serif}
.bd-subjs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px}
.bd-subj{padding:7px 14px;font-size:.9rem;border-radius:999px}
.bd-subj.active{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.bd-how{margin:0 0 12px;padding-left:22px;color:var(--muted)}
.bd-how li{margin:3px 0}.bd-how b{color:var(--text)}
.bd-src{margin:10px 0 0;font-size:.8rem;color:var(--muted)}
/* year cards */
.bd-year{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);margin:12px 0;overflow:hidden}
.bd-year>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;padding:14px 16px}
.bd-year>summary::-webkit-details-marker{display:none}
.bd-year[open]>summary{border-bottom:1px solid var(--line)}
.bd-yy{font-family:"Bricolage Grotesque",Figtree,sans-serif;font-weight:800;font-size:1.5rem;color:var(--brand);background:var(--brand-soft);border-radius:14px;padding:6px 12px;line-height:1}
.bd-yt{display:flex;flex-direction:column;flex:1;min-width:0}
.bd-yt small{color:var(--muted);font-size:.84rem}
.bd-practise{background:var(--brand);color:var(--on-brand);border-color:var(--brand);font-weight:600;white-space:nowrap}
.bd-year>summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);margin:0 4px 4px}
.bd-year[open]>summary::after{transform:rotate(-135deg);margin-top:6px}
.bd-body{padding:10px 14px 14px}
.bd-body:empty::before{content:"Loading...";color:var(--muted)}
/* question groups */
.bd-group{border:1px solid var(--line);border-radius:14px;margin:0 0 10px;background:var(--bg)}
.bd-group>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;padding:11px 14px;font-weight:600}
.bd-group>summary::-webkit-details-marker{display:none}
.bd-group>summary::after{content:"+";margin-left:auto;color:var(--muted);font-size:1.2rem}
.bd-group[open]>summary::after{content:"\2013"}
.bd-qn{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1px 8px;font-size:.85rem}
.bd-gc{color:var(--muted);font-weight:400;font-size:.84rem}
.bd-group[open]{padding-bottom:6px}
.bd-part{margin:6px 14px 6px;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand);font-weight:700}
/* question cards */
.bd-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:0 10px 10px}
.bd-q{font-weight:600;margin:0 0 8px}
.bd-opts{display:grid;gap:6px}
.bd-opt{display:flex;align-items:center;gap:10px;text-align:left;width:100%;padding:8px 10px}
.bd-opt i{font-style:normal;flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:1px solid var(--line);font-size:.8rem;font-weight:700}
.bd-opt.right{border-color:var(--ok);background:var(--ok-bg)}
.bd-opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.bd-opt:disabled{opacity:1;cursor:default}
.bd-fb{margin:8px 0 0;font-weight:600;font-size:.9rem}
.bd-fb.ok{color:var(--ok)}.bd-fb.bad{color:var(--bad)}.bd-fb.info{color:var(--muted)}
.bd-expl{margin:4px 0 0;color:var(--muted);font-size:.9rem}
.bd-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:8px}
.bd-ch{padding:3px 10px;border-radius:999px;font-size:.78rem;color:var(--muted);background:var(--bg)}
.bd-opt.picked{border-color:var(--brand);background:var(--brand-soft)}
.bd-opt.picked i{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.bd-submit{padding:7px 18px}
.bd-hint>summary{cursor:pointer;color:var(--brand);font-weight:600;font-size:.9rem;width:max-content}
.bd-hint p{margin:6px 0 0}
#mkBoardBox label,#mkYearBox label{display:block}
@media (max-width:560px){
  .bd-year>summary{flex-wrap:wrap;gap:10px}
  .bd-practise{order:3;width:100%}
  .bd-year>summary::after{display:none}
  .bd-card{margin:0 4px 8px;padding:10px}
  .bd-body{padding:8px 6px 10px}
  .bd-group>summary{padding:10px}
  .bd-part{margin:6px 8px}
}

/* model answers for written questions */
.bd-ans{margin-top:8px}
.bd-ans-body{margin-top:8px;padding:10px 12px;border-radius:10px;background:color-mix(in srgb,var(--brand) 6%,var(--card));border:1px solid var(--line);font-size:.94rem;line-height:1.55}
.bd-ans-body p{margin:0 0 6px}
.bd-ans-body ol,.bd-ans-body ul{margin:4px 0 8px;padding-left:20px}
.bd-ans-body li{margin:0 0 5px}
.bd-ans-body table.bd-dist{width:100%;border-collapse:collapse;margin:4px 0 8px;font-size:.9rem}
.bd-ans-body .bd-dist th,.bd-ans-body .bd-dist td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.bd-ans-body .bd-dist th{background:color-mix(in srgb,var(--brand) 12%,var(--card))}
.bd-ans-body .bd-dist td:first-child{font-weight:600;white-space:nowrap}
@media (max-width:600px){.bd-ans-body{padding:8px 7px;overflow-x:auto}.bd-ans-body table.bd-dist{font-size:.8rem;table-layout:fixed}.bd-ans-body .bd-dist th,.bd-ans-body .bd-dist td{padding:5px 4px;word-break:break-word;hyphens:auto}.bd-ans-body .bd-dist td:first-child,.bd-ans-body .bd-dist th:first-child{white-space:normal;width:24%}}

/* letters (Secretarial Practice) in the textbook's format */
.bd-ans-body .bd-letter{border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:var(--card);font-size:.92rem}
.bd-ans-body .bd-letter .lh{text-align:center;border-bottom:2px solid var(--line);padding-bottom:8px;margin-bottom:8px}
.bd-ans-body .bd-letter .dt{float:right}
.bd-ans-body .note{font-size:.85rem;color:var(--muted)}
@media (max-width:600px){.bd-ans-body .bd-letter{padding:9px 8px}.bd-ans-body .bd-letter .dt{float:none;display:block}}

/* Book-keeping solutions: journal, ledger accounts, balance sheets */
.bd-ans-body .bd-th{display:flex;justify-content:space-between;margin:12px 0 2px;font-size:.92rem}
.bd-ans-body .bd-jr td.jcr{padding-left:26px}
.bd-ans-body .bd-jr tr.jn td{font-style:italic;color:var(--muted);border-top:none;font-weight:400}
.bd-ans-body .bd-jr td:first-child,.bd-ans-body .bd-t td:first-child{font-weight:400;white-space:normal}
.bd-ans-body .bd-jr td:nth-child(n+2),.bd-ans-body .bd-jr th:nth-child(n+2),.bd-ans-body .bd-t td:nth-child(even){text-align:right;white-space:nowrap}
.bd-ans-body .bd-scroll{overflow-x:auto}
@media (max-width:600px){.bd-ans-body table.bd-t,.bd-ans-body table.bd-jr{table-layout:auto;font-size:.74rem}.bd-ans-body .bd-jr td.jcr{padding-left:12px}}