.bq-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:14px}.bq-h{font-size:17px;margin:0 0 10px}.bq-h .fine{font-weight:400}.bq-n{display:inline-block;min-width:22px;margin-left:4px;padding:0 6px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;text-align:center}.pill[aria-pressed=true] .bq-n{background:rgba(255,255,255,.25);color:inherit}.bq-err{color:var(--bad,#b42318);font-size:13.5px}.bq-row{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;margin:8px 0}.bq-count input[type=number],.bq-row select,.bq-save input,.rc-search{height:40px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);padding:0 10px;font:inherit;font-size:15px}.bq-count{display:flex;gap:10px;align-items:center}.bq-count input[type=range]{flex:1 1;accent-color:var(--accent);min-width:0}.bq-count input[type=number]{width:80px}.bq-check{display:flex;gap:8px;align-items:flex-start;font-size:14px;cursor:pointer}.bq-check input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent)}.bq-tree h3{font-size:15px;margin:10px 0 6px}.bq-tree ul{list-style:none;margin:0;padding:0}.bq-tree>ul>li{border-top:1px solid var(--border)}.bq-tree summary{display:flex;align-items:center;gap:8px;padding:8px 2px;cursor:pointer;font-size:14px;list-style:none}.bq-tree summary::-webkit-details-marker{display:none}.bq-tree summary:before{content:"▸";color:var(--muted);width:12px;flex:none}.bq-tree details[open]>summary:before{content:"▾"}.bq-tree label{display:flex;align-items:center;gap:8px;flex:1 1;min-width:0;cursor:pointer}.bq-tree label span{overflow-wrap:anywhere}.bq-tree input[type=checkbox]{width:18px;height:18px;flex:none;accent-color:var(--accent)}.bq-topicl{padding:0 0 8px 30px!important}.bq-topicl li{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:13.5px}.bq-start{position:-webkit-sticky;position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--border);padding:12px 0 14px;display:grid;grid-gap:8px;gap:8px;z-index:4}.bq-start .button{width:100%;border:0;cursor:pointer;font:inherit;font-weight:650;min-height:48px}.bq-start .button:disabled{opacity:.55;cursor:default}.bq-avail{margin:0;font-size:14px;color:var(--muted)}.bq-avail strong{color:var(--text)}.bq-save{display:flex;gap:8px}.bq-save input{flex:1 1;min-width:0}.bq-preset{display:inline-flex;align-items:center;gap:4px}.bq-preset .linkbtn{font-size:13px;color:var(--muted);padding:6px}.bq-where{font-size:12.5px;margin-bottom:4px}.bq-score{max-width:560px}.bq-big{font-size:34px;font-weight:800}.bq-actions{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}.bq-actions a.pill{text-decoration:none;display:inline-flex;align-items:center}.bq .quiz-q>.linkbtn{margin-top:6px;font-size:13px}.bq .quiz-choice:disabled{opacity:1}.bq .quiz-why.right{border-left:3px solid var(--ok,#1e7a3d)}.bq .quiz-why.wrong{border-left:3px solid var(--bad,#b42318)}.rc-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}.rc-search{flex:1 1 200px;max-width:320px}.rc-list{list-style:none;margin:8px 0 0;padding:0}.rc-item{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;padding:10px 0;border-top:1px solid var(--border)}.rc-item-main{display:grid;grid-gap:3px;gap:3px;flex:1 1 320px;min-width:0}.rc-item-main strong{font-size:15px;overflow-wrap:anywhere}.rc-item-main .meta{color:var(--muted);font-size:12.5px}.rc-item-go,.rc-toolbar{display:flex;gap:6px;flex-wrap:wrap}.rc-toolbar{margin-bottom:6px}.rc-toolbar .pill{font-size:13px;padding:4px 10px;min-height:0}.rc-apply{display:none}@media (hover:none){.rc-apply{display:inline-flex}}.rc-st{text-decoration:line-through;text-decoration-thickness:2px;color:var(--muted);cursor:pointer}.rc-passage p{margin:0 0 12px}.rc-qs{min-width:0}.rc-qs .practice-nav{margin-top:12px}.rc-chart{margin:12px 0 0}.rc-chart svg{width:100%;max-width:520px;height:auto;display:block}.rc-axis{stroke:var(--border);stroke-width:1}.rc-tick{fill:var(--muted);font-size:9px}.rc-line-w{fill:none;stroke:var(--accent);stroke-width:2}.rc-line-a{fill:none;stroke:var(--ok,#1e7a3d);stroke-width:2;stroke-dasharray:4 3}.rc-dot-w{fill:var(--accent)}.rc-dot-a{fill:var(--ok,#1e7a3d)}.rc-key{display:inline-block;width:14px;height:3px;vertical-align:middle;margin:0 4px 0 10px}.rc-key-w{background:var(--accent)}.rc-key-a{background:var(--ok,#1e7a3d)}.rc-sub{font-size:15px;margin:14px 0 6px}@media (max-width:760px){.rc-sit .sim-passage{max-height:55vh}}@media (max-width:480px){.bq-card{padding:12px}.rc-item-go{width:100%}.rc-item-go .pill{flex:1 1;justify-content:center}}