.page-subtitle{font-size:14px;color:var(--text2);margin-top:4px}.rad-filters{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.rad-search-wrap{position:relative;width:100%}.rad-search-wrap input{width:100%;padding:12px 40px 12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-size:15px;color:var(--text);outline:none;transition:border-color .2s}.rad-search-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 10%,transparent)}.rad-clear-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:var(--surface2);border:1px solid var(--border);border-radius:50%;width:28px;height:28px;font-size:14px;cursor:pointer;color:var(--text2);transition:.2s}.rad-clear-btn:hover{background:var(--primary);color:var(--on-accent);border-color:transparent}.rad-stroke-filter{display:flex;gap:8px;flex-wrap:wrap}.rad-stroke-btn{padding:8px 16px;background:var(--surface);border:1px solid var(--border);border-radius:20px;font-size:13px;font-weight:600;color:var(--text2);cursor:pointer;transition:.18s;font-family:var(--font-ui)}.rad-stroke-btn:hover{border-color:var(--primary);color:var(--primary)}.rad-stroke-btn.active{background:var(--primary);color:var(--on-accent);border-color:transparent}.rad-stats{font-size:13px;color:var(--text2);margin-bottom:12px;font-weight:600}.rad-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:32px}.rad-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px 12px;cursor:pointer;transition:.18s;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}.rad-card:hover{border-color:var(--primary);background:var(--surface2);transform:translateY(-2px)}.rad-card-char{font-size:48px;font-family:Noto Sans SC,sans-serif;color:var(--text);line-height:1}.rad-card-name{font-size:14px;font-weight:600;color:var(--text)}.rad-card-meta{font-size:12px;color:var(--text3)}.rad-card-strokes{font-size:11px;color:var(--text3);background:var(--surface2);padding:2px 8px;border-radius:10px;margin-top:2px}.rad-detail-overlay{position:fixed;inset:0;background:#00000080;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.rad-detail-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:slideUp .3s;box-shadow:0 20px 60px #0000004d}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.rad-detail-close{position:absolute;top:16px;right:16px;background:var(--surface2);border:1px solid var(--border);border-radius:50%;width:36px;height:36px;font-size:18px;cursor:pointer;color:var(--text2);transition:.2s;z-index:1}.rad-detail-close:hover{background:var(--primary);color:var(--on-accent);border-color:transparent}.rad-detail-header{display:flex;align-items:center;gap:20px;padding:24px 24px 20px;border-bottom:1px solid var(--border)}.rad-detail-char{font-size:80px;font-family:Noto Sans SC,sans-serif;color:var(--text);line-height:1}.rad-detail-info{flex:1;min-width:0}.rad-detail-name{font-size:24px;font-weight:700;color:var(--text);margin-bottom:4px}.rad-detail-meta{font-size:14px;color:var(--text2);display:flex;align-items:center;gap:6px}.rad-dot{color:var(--text3)}.rad-detail-body{padding:24px}.rad-detail-section{margin-bottom:24px}.rad-detail-section:last-child{margin-bottom:0}.rad-section-label{font-size:12px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.rad-writer-wrap{display:flex;flex-direction:column;align-items:center;gap:12px}#radWriter{width:200px;height:200px;background:var(--surface2);border:1px solid var(--border);border-radius:12px}.rad-animate-btn{padding:10px 20px;background:var(--primary);color:var(--on-accent);border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:.2s}.rad-animate-btn:hover{transform:scale(1.05);opacity:.9}.rad-meaning-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.rad-meaning-vi{font-size:18px;font-weight:600;color:var(--primary)}.rad-meaning-en{font-size:16px;color:var(--text2)}.rad-examples{display:flex;flex-wrap:wrap;gap:8px}.rad-example-char{font-size:32px;font-family:Noto Sans SC,sans-serif;color:var(--text);background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:8px 12px;cursor:pointer;transition:.18s}.rad-example-char:hover{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,var(--surface))}@media(max-width:600px){.rad-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}.rad-card{padding:12px 8px}.rad-card-char{font-size:36px}.rad-detail-panel{max-height:95vh}.rad-detail-header{flex-direction:column;text-align:center}.rad-detail-char{font-size:64px}#radWriter{width:160px;height:160px}}