.category-page{min-height:100vh;padding-bottom:4rem}.category-header{padding:2rem 0 1rem;position:relative}.category-header:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,var(--bg-card),transparent);z-index:-1}.breadcrumb{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.9rem;color:var(--text-muted)}.breadcrumb a:hover{color:var(--primary-light)}.breadcrumb .current{color:var(--text-primary);font-weight:600}.category-title{font-size:clamp(2rem,4vw,3rem);margin-bottom:.5rem}.category-description{max-width:700px;margin:0;color:var(--text-secondary);font-size:1rem;line-height:1.5}.header-main-content{display:flex;align-items:center;gap:1.5rem;text-align:right;margin:1.5rem 0}.header-icon-wrapper{width:80px;height:80px;background:var(--bg-card);border:3px solid var(--cat-color,var(--primary));border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2.5rem}.sub-categories-wrapper{margin-top:2rem;position:relative}.sub-categories-scroll{display:flex;gap:.5rem;overflow-x:auto;padding:.5rem .2rem 1rem;scrollbar-width:none;-ms-overflow-style:none}.sub-categories-scroll::-webkit-scrollbar{display:none}.sub-tab{padding:.5rem 1.25rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-secondary);font-weight:500;white-space:nowrap;transition:all var(--transition-normal);cursor:pointer;font-size:.9rem}.sub-tab:hover{background:var(--bg-card-hover);color:var(--cat-color,var(--primary))}.sub-tab.active,.sub-tab:hover{border-color:var(--cat-color,var(--primary))}.sub-tab.active{background:var(--cat-color,var(--primary));color:#fff}@media (max-width:768px){.header-main-content{flex-direction:column;text-align:center;gap:1rem}}.category-page.islamic .category-title{background:linear-gradient(135deg,var(--accent-islamic),hsl(150,85%,70%));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.tracks-section{padding:1.5rem 0}.tracks-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.tracks-header h2{font-size:1.5rem;margin:0}.track-card{transition:border-color .2s}.track-card:hover{border-color:var(--primary-light)}.category-page.islamic .track-card:hover{border-color:var(--primary)}.track-cover{width:100%;height:100%}.track-title{color:var(--text-primary)}.track-description{color:var(--text-secondary);margin-bottom:.5rem}.track-meta{color:var(--text-muted)}.track-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:.5rem}.tag-badge{padding:.2rem .6rem;border-radius:50px;font-size:.7rem;font-weight:700;text-transform:uppercase}.tag-badge.difficulty-beginner{background:rgba(16,185,129,.1);color:#10b981}.tag-badge.difficulty-intermediate{background:rgba(245,158,11,.1);color:#f59e0b}.tag-badge.difficulty-advanced{background:rgba(239,68,68,.1);color:#ef4444}.tag-badge.source{background:rgba(99,102,241,.1);color:var(--primary)}.tag-badge.madhhab{background:rgba(139,92,246,.1);color:#8b5cf6}.tag-badge.source-name-badge{background:rgba(100,116,139,.1);color:var(--text-secondary)}.track-stats-row{background:var(--bg-card-hover);border-radius:var(--radius-sm);border:1px solid var(--border)}.stat-item{color:var(--text-primary)}.delete-track-btn{transition:opacity .2s}.empty-state{text-align:center;padding:4rem 1rem;max-width:500px;margin:0 auto}.empty-icon{font-size:4rem;margin-bottom:1rem;opacity:.7}.empty-state h2{font-size:1.5rem;margin-bottom:.5rem}.empty-state p{color:var(--text-secondary);font-size:1rem;margin-bottom:1.5rem}.error-container,.loading-container{min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem;text-align:center}.loading-spinner{width:50px;height:50px;border:3px solid var(--border);border-top-color:var(--primary-light);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}