/* /topics/ — Important Topics explorer. Colours and base type come from anatomy.css. */
.thero{padding:44px 0 14px}
.thero h1{font-size:clamp(2.2rem,6vw,4.4rem)}
main{padding-bottom:40px}
footer{padding:28px 16px;text-align:center;color:var(--muted);font-size:.85rem}
.panel h2{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px}
.panel h3{margin:22px 0 10px;font-size:1rem}
.help{margin:6px 0 14px;color:var(--muted);font-size:.9rem}
.hint{margin:12px 0 0;color:var(--green);font-weight:600;font-size:.9rem;min-height:1.2em}
.link-btn{border:0;background:none;color:var(--green);font:700 .85rem Inter,sans-serif;text-decoration:underline;cursor:pointer;padding:4px}
button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* presets + chips */
.presets{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));gap:10px}
.preset{display:block;text-align:left;padding:14px 16px;background:var(--paper);border:1.5px solid var(--line);border-radius:14px;cursor:pointer;font:inherit;color:inherit}
.preset strong{display:block;font-size:.98rem}
.preset span{display:block;margin-top:3px;color:var(--muted);font-size:.83rem}
.preset[aria-pressed="true"]{border-color:var(--green);background:var(--lime)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:var(--white);padding:9px 15px;border-radius:99px;font:700 .88rem Inter,sans-serif;color:var(--ink);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:#fff}

/* filters */
.fgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:8px 0 18px}
.fset{margin:0;padding:14px 16px;border:1px solid var(--line);border-radius:14px;min-width:0}
.fset legend{padding:0 6px;font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.fset .help{margin:2px 0 10px;font-size:.8rem}
.sel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:10px}
.sel-grid label{display:flex;flex-direction:column;gap:6px;min-width:0;font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.sel-grid select,.sel-grid input,.decoder input{width:100%;min-width:0;padding:12px 13px;border:1px solid var(--line);border-radius:11px;background:var(--white);font:600 .96rem Inter,sans-serif;color:var(--ink);text-transform:none;letter-spacing:0}
.sort-grid{grid-template-columns:repeat(2,minmax(0,1fr)) auto;align-items:end}
.rev-btn{padding:12px 16px;border:1.5px solid var(--green);border-radius:11px;background:var(--white);color:var(--green);font:700 .92rem Inter,sans-serif;cursor:pointer;white-space:nowrap}
.rev-btn[aria-pressed="true"]{background:var(--green);color:#fff}

/* multi-select (tick several modules, chapters or units) */
.where-help{margin:14px 0 8px}
.multi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:start}
.multi{border:1px solid var(--line);border-radius:12px;background:var(--white);min-width:0}
.multi summary{display:flex;flex-direction:column;gap:3px;padding:11px 14px;cursor:pointer;list-style:none}
.multi summary::-webkit-details-marker{display:none}
.multi summary::after{content:"▾";position:absolute;right:14px;top:12px;color:var(--muted)}
.multi{position:relative}
.ms-label{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.ms-val{font-weight:600;font-size:.95rem;overflow-wrap:anywhere;padding-right:20px}
.multi[open]{border-color:var(--green)}
.ms-body{border-top:1px solid var(--line);padding:8px 10px 10px}
.ms-tools{display:flex;gap:14px;margin:0 0 6px}
.ms-tools button{border:0;background:none;color:var(--green);font:700 .82rem Inter,sans-serif;text-decoration:underline;cursor:pointer;padding:4px 0}
.ms-list{max-height:280px;overflow-y:auto;overscroll-behavior:contain}
.ms-item{display:flex;gap:10px;align-items:flex-start;padding:8px 6px;border-radius:8px;cursor:pointer;font-size:.92rem;line-height:1.35}
.ms-item:hover{background:#f4f3ea}
.ms-item input{width:19px;height:19px;flex:none;margin-top:1px;accent-color:var(--green)}
.ms-item span{min-width:0;overflow-wrap:anywhere}
.ms-group{margin:8px 6px 2px;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);overflow-wrap:anywhere}
.sel-grid.one{grid-template-columns:1fr;margin-top:14px}

/* results */
.summary{margin:6px 0 4px;font-weight:600}
.t-table{width:100%;border-collapse:collapse;margin:14px 0 8px}
.t-table thead th{padding:9px 10px;border-bottom:2px solid var(--line);text-align:left;font-size:.72rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.t-table thead button{border:0;background:none;padding:0;font:inherit;letter-spacing:inherit;text-transform:inherit;color:inherit;cursor:pointer}
.t-table thead button[aria-sort]{color:var(--green)}
.t-table thead button[aria-sort="ascending"]::after{content:" ▲"}
.t-table thead button[aria-sort="descending"]::after{content:" ▼"}
.c-rank{width:60px}.c-marks{width:120px}.c-times{width:96px}.c-last{width:130px}.c-page{width:84px}
.t-row{cursor:pointer;border-bottom:1px solid var(--line)}
.t-row:hover{background:#f4f3ea}
.t-row>td{padding:12px 10px;vertical-align:top}
.rank{font-weight:800;color:var(--green)}
.tname{font-weight:700;overflow-wrap:anywhere}
.tpath{margin-top:3px;color:var(--muted);font-size:.84rem;overflow-wrap:anywhere}
.tag{display:inline-block;margin-top:6px;padding:2px 9px;border-radius:99px;font-size:.72rem;font-weight:800;background:#eceadf;color:#4c5850}
.tag.must{background:var(--green);color:#fff}
.tag.imp{background:var(--lime);color:#2c4030}
.tag.good{background:#eceadf}
.tag.none{background:#f3eee6;color:#8a7a62}
.bar{display:block;height:6px;margin-top:6px;border-radius:99px;background:#e6e8df;overflow:hidden}
.bar i{display:block;height:100%;background:var(--green)}
.num{font-weight:800}
.small{display:block;color:var(--muted);font-weight:500;font-size:.8rem}
.detail-row>td{padding:0 10px 14px;border-bottom:1px solid var(--line)}
.detail{padding:14px 16px;background:var(--paper);border:1px solid var(--line);border-radius:12px;font-size:.9rem}
.detail ul{margin:6px 0 0;padding-left:18px}
.detail li{margin:3px 0}
.detail .meta{color:var(--muted);overflow-wrap:anywhere}
.empty{padding:26px 8px;text-align:center;color:var(--muted)}

/* downloads */
.dl-row{display:flex;flex-wrap:wrap;gap:10px}
.btn{padding:12px 18px;border:1.5px solid var(--green);border-radius:11px;background:var(--white);color:var(--green);font:700 .92rem Inter,sans-serif;cursor:pointer;text-align:left}
.btn.primary{background:var(--green);color:#fff}
.btn:disabled{opacity:.5;cursor:wait}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:10px}
.dl-grid .btn{display:block;width:100%}
.dl-grid .btn strong{display:block}
.dl-grid .btn span{display:block;margin-top:2px;font-weight:500;font-size:.82rem;opacity:.85}

/* ID explainer */
.idx{display:flex;flex-wrap:wrap;gap:6px 4px;align-items:flex-start;margin:6px 0 16px}
.seg{display:flex;flex-direction:column;gap:6px;min-width:0}
.seg b{display:block;padding:10px 14px;border-radius:10px;background:var(--ink);color:#fff;font:700 1.15rem/1 "IBM Plex Mono",ui-monospace,Consolas,monospace;text-align:center}
.seg small{display:block;max-width:190px;color:var(--muted);font-size:.8rem;line-height:1.35}
.seg.m b{background:#1f5a43}.seg.c b{background:#2f7a5b}.seg.u b{background:#b8741a}.seg.t b{background:#7a3b1f}
.sep{padding:10px 0;font-weight:800;color:var(--muted)}
.id-notes{margin:0 0 16px;padding-left:20px;color:var(--ink)}
.id-notes li{margin:7px 0}
code{padding:2px 6px;border-radius:6px;background:#eceadf;font:600 .88em "IBM Plex Mono",ui-monospace,Consolas,monospace;overflow-wrap:anywhere}
.decoder{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:.9rem}
.decoded{margin-top:12px;padding:0;min-height:0}
.decoded .ok,.decoded .bad{padding:14px 16px;border-radius:12px;line-height:1.55;overflow-wrap:anywhere}
.decoded .ok{background:#f1f7ef;border:1px solid #cfe0cd}
.decoded .bad{background:#fdf1de;border:1px solid #f0d6a8}
.words{margin:12px 0 0}
.words dt{margin-top:12px;font-weight:800}
.words dd{margin:2px 0 0;color:var(--muted)}

@media(max-width:900px){
  .fgrid,.multi-grid{grid-template-columns:1fr}
  .sel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sel-grid .wide{grid-column:1/-1}
  .sort-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sort-grid .rev-btn{grid-column:1/-1}
}
@media(max-width:760px){
  /* the table becomes stacked cards */
  .t-table,.t-table tbody{display:block;width:100%}
  .t-table thead{display:none}
  .t-row{display:grid;grid-template-columns:42px minmax(0,1fr);gap:0 8px;padding:12px 0}
  .t-row>td{display:block;padding:2px 0;border:0}
  .t-row>td:nth-child(1){grid-row:span 5}
  .t-row .c-marks,.t-row .c-times,.t-row .c-last,.t-row .c-page{width:auto;font-size:.88rem}
  .t-row .c-marks,.t-row .c-times,.t-row .c-last,.t-row .c-page{display:flex;gap:6px;align-items:baseline}
  .t-row .c-marks::before{content:"Marks:";color:var(--muted)}
  .t-row .c-times::before{content:"Times asked:";color:var(--muted)}
  .t-row .c-last::before{content:"Last asked:";color:var(--muted)}
  .t-row .c-page::before{content:"Book page:";color:var(--muted)}
  .t-row .bar{display:none}
  .detail-row{display:block}.detail-row>td{display:block;padding:0 0 12px}
  .seg small{max-width:130px}
}
@media(max-width:480px){.sel-grid,.sort-grid{grid-template-columns:1fr}.preset{padding:12px 14px}}