#subject-view{--catalog-accent: #0f766e}#subject-view .practice-layout{grid-template-columns:228px minmax(0,1fr);max-width:1400px;margin:auto}#subject-view .subject-sidebar{padding:20px 14px}#subject-view .subject-item{width:100%;padding:12px;gap:10px;border-radius:6px;font:inherit;font-weight:600;text-align:left;margin:0;box-shadow:none;transform:none}#subject-view .subject-item span{overflow-wrap:anywhere}#subject-view .practice-content-pane{padding:24px 32px;min-width:0;background:var(--bg-body);overflow:visible}#subject-view .nav-controls{margin-bottom:20px;gap:10px}#subject-view .home-icon-btn,#subject-view .back-nav-btn{border-radius:6px;box-shadow:none}.practice-heading{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:20px}#practice-exam-name{font-size:14px;font-weight:600;margin-bottom:4px}#subject-view #subject-desc{font-size:14px!important}#subject-view .search-box{display:block!important;flex:0 1 300px;min-width:0}#subject-view .search-box input{border-radius:6px!important;color:var(--text-main);min-height:44px}#chapter-group-filter{max-width:100%;min-height:44px;padding:8px 36px 8px 12px;margin-bottom:8px;background:var(--bg-surface);border:1px solid var(--border);border-radius:6px;color:var(--text-main);font:inherit;font-size:14px}#subject-banner{display:none!important}.practice-groups{display:grid;gap:28px;padding-bottom:32px}.practice-group h3{display:flex;align-items:center;gap:10px;padding:14px 0 10px;font-size:16px;font-weight:700;color:var(--text-main);margin:0;letter-spacing:0}.practice-group h3>i{color:var(--catalog-accent);font-size:21px;flex:none}.group-count{margin-left:auto;font-size:13px;color:var(--text-muted);font-weight:500}.practice-topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}.practice-topic{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:80px;padding:14px 10px;border-bottom:1px solid var(--border);color:var(--text-main);text-decoration:none}.practice-topic>span{min-width:0}.practice-topic strong{display:block;font-size:15px;line-height:1.5;font-weight:600;overflow-wrap:anywhere}.practice-topic small{display:block;font-size:12px;color:var(--text-muted);margin-top:4px}.practice-topic>i{color:var(--catalog-accent);font-size:20px;flex:none}.practice-topic:focus-visible,#subject-view button:focus-visible,#subject-view input:focus-visible,#chapter-group-filter:focus-visible{outline:2px solid var(--catalog-accent);outline-offset:3px}@media(hover:hover){.practice-topic:hover{background:var(--bg-surface)}}.practice-empty{padding:32px 0;color:var(--text-muted)}[data-theme=dark] #subject-view{--catalog-accent: #5eead4}@media(max-width:768px){#subject-view .subject-item{width:auto;white-space:nowrap;padding:10px 12px}#subject-view .practice-content-pane{padding:16px!important}.practice-heading{flex-direction:column;align-items:stretch;gap:16px;margin-bottom:12px}#subject-view .search-box{width:100%!important;flex:auto}.practice-topic-list{grid-template-columns:minmax(0,1fr)}.practice-groups{gap:16px}.practice-group h3{font-size:15px}}