:root{--font-sans: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg: #f8fafc;--bg-subtle: #f1f5f9;--sf: #ffffff;--sf2: #f1f5f9;--sf-hover: #e2e8f0;--border: #e2e8f0;--border-focus: #94a3b8;--tx: #0f172a;--tx-muted: #64748b;--tx-subtle: #94a3b8;--ac: #6366f1;--ac-hover: #4f46e5;--ac-light: #eef2ff;--red: #ef4444;--green: #10b981;--green-bg: #ecfdf5;--blue: #3b82f6;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .05);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}[data-theme=dark]{--bg: #090d16;--bg-subtle: #0f172a;--sf: #131b2e;--sf2: #1e293b;--sf-hover: #293548;--border: #1e293b;--border-focus: #3b82f6;--tx: #f8fafc;--tx-muted: #94a3b8;--tx-subtle: #64748b;--ac: #6366f1;--ac-hover: #4f46e5;--ac-light: rgba(99, 102, 241, .15);--red: #f87171;--green: #34d399;--green-bg: rgba(16, 185, 129, .12);--blue: #60a5fa;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .35);--shadow-lg: 0 14px 28px rgba(0, 0, 0, .45)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;font-family:var(--font-sans);background-color:var(--bg);color:var(--tx);transition:background-color .2s ease,color .2s ease;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.app-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:14px;padding:12px 24px;background:var(--sf);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background .2s,border-color .2s}.btn-back{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--sf2);color:var(--tx);border:1px solid var(--border);transition:all .15s ease}.btn-back:hover{background:var(--sf-hover);color:var(--ac);transform:translate(-1px)}.brand{display:flex;align-items:center;gap:10px;-webkit-user-select:none;user-select:none}.brand-logo{width:32px;height:32px;border-radius:6px;object-fit:cover}.brand-name{font-weight:800;font-size:1.15rem;letter-spacing:-.5px;color:var(--tx)}.brand-accent{color:var(--ac)}.header-breadcrumbs{display:flex;align-items:center;gap:6px;font-size:.88rem;overflow-x:auto;white-space:nowrap;padding:2px 0}.bc-sep{color:var(--tx-subtle);font-size:.8rem}.bc-item{color:var(--tx-muted);cursor:pointer;border-radius:4px;padding:2px 6px;transition:color .15s,background .15s}.bc-item:hover:not(.active){color:var(--tx);background:var(--sf2)}.bc-item.active{color:var(--tx);font-weight:600;cursor:default}.btn-theme{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:var(--sf2);color:var(--tx);border:1px solid var(--border);transition:all .15s ease}.btn-theme:hover{background:var(--sf-hover);color:var(--ac)}.page{max-width:1200px;margin:0 auto;padding:28px 24px 60px}.page-title-bar{margin-bottom:24px}.page-title-bar h1{font-size:1.75rem;font-weight:800;letter-spacing:-.5px;color:var(--tx);margin-bottom:4px}.breadcrumb{font-size:.9rem;color:var(--tx-muted)}.search-wrap{margin-bottom:28px}.search-box-inner{display:flex;align-items:center;gap:10px;background:var(--sf);border:1px solid var(--border);border-radius:var(--radius-md);padding:10px 16px;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s}.search-box-inner:focus-within{border-color:var(--ac);box-shadow:0 0 0 3px var(--ac-light)}.search-icon-svg{color:var(--tx-muted);flex-shrink:0}.search-input{flex:1;background:transparent;border:none;outline:none;font-size:.95rem;color:var(--tx);font-family:inherit}.search-input::placeholder{color:var(--tx-subtle)}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.course-card{background:var(--sf);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s ease,border-color .2s ease;cursor:pointer;display:flex;flex-direction:column}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--ac)}.c-thumb{position:relative;width:100%;aspect-ratio:16 / 9;background:var(--sf2);overflow:hidden}.c-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.course-card:hover .c-thumb img{transform:scale(1.03)}.c-thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--tx-subtle)}.like-btn{position:absolute;top:10px;right:10px;width:32px;height:32px;border-radius:50%;background:#0f172aa6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;color:#fff;transition:background .15s,transform .15s}.like-btn:hover{transform:scale(1.1);background:#0f172ad9}.like-btn.liked{background:#ef444440;color:var(--red)}.c-body{padding:16px;display:flex;flex-direction:column;flex:1}.c-name{font-weight:700;font-size:1rem;line-height:1.4;color:var(--tx);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.c-price-row{display:flex;align-items:baseline;gap:8px;margin-top:auto;margin-bottom:12px}.c-price{font-weight:800;font-size:1.15rem;color:var(--green)}.c-mrp{font-size:.85rem;color:var(--tx-subtle);text-decoration:line-through}.parmar-view-link{font-size:.85rem;font-weight:600;color:var(--ac);display:flex;align-items:center;gap:4px}.list-wrap{display:flex;flex-direction:column;gap:10px}.list-row{display:flex;align-items:center;gap:16px;padding:14px 18px;background:var(--sf);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .15s ease}.list-row:hover{border-color:var(--ac);background:var(--sf-hover);transform:translate(3px)}.row-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--sf2);color:var(--ac)}.row-icon.book{color:#3b82f6;background:#3b82f61a}.row-icon.folder{color:#f59e0b;background:#f59e0b1a}.row-icon.video{color:#10b981;background:#10b9811a}.row-body{flex:1;min-width:0}.row-title{font-weight:600;font-size:.98rem;color:var(--tx);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-meta{margin-top:4px;display:flex;align-items:center;gap:8px}.row-badge{font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:9999px;background:var(--sf2);color:var(--tx-muted)}.row-arrow{color:var(--tx-subtle);flex-shrink:0;display:flex;align-items:center}.lec-row{display:flex;align-items:center;gap:14px;padding:12px 16px;background:var(--sf);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .15s ease}.lec-row:hover{border-color:var(--ac);background:var(--sf-hover)}.lec-thumb{position:relative;width:72px;height:48px;border-radius:6px;background:var(--sf2);overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:var(--tx-subtle)}.lec-thumb img{width:100%;height:100%;object-fit:cover}.play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s ease}.lec-row:hover .play-overlay{opacity:1}.lec-body{flex:1;min-width:0}.lec-title{font-weight:600;font-size:.95rem;color:var(--tx);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}.lec-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.type-pill{font-size:.72rem;font-weight:700;padding:1px 7px;border-radius:4px;text-transform:uppercase}.type-pill.v{background:#6366f126;color:var(--ac)}.type-pill.d{background:#f59e0b26;color:#f59e0b}.dur{font-size:.75rem;color:var(--tx-muted)}.badge-status{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:600;padding:1px 7px;border-radius:4px}.badge-status.unlocked{background:var(--green-bg);color:var(--green)}.badge-status.available{background:var(--sf2);color:var(--tx-muted)}.play-btn{width:36px;height:36px;border-radius:50%;background:var(--sf2);color:var(--tx);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s ease}.play-btn:hover{background:var(--ac);color:#fff;transform:scale(1.08)}.vmodal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:16px;opacity:0;pointer-events:none;transition:opacity .25s ease}.vmodal.open{opacity:1;pointer-events:auto}.vmodal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000c7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.vmodal-box{position:relative;width:100%;max-width:900px;background:var(--sf);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;z-index:10}.vmodal-hdr{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--border)}.vmodal-title{font-weight:700;font-size:1rem;color:var(--tx);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-right:12px}.vmodal-close{color:var(--tx-muted);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background .15s,color .15s}.vmodal-close:hover{background:var(--sf2);color:var(--tx)}.vmodal-player{width:100%;background:#000;aspect-ratio:16 / 9}.vmodal-qualities{display:flex;align-items:center;gap:8px;padding:10px 18px;background:var(--sf2);border-top:1px solid var(--border);font-size:.85rem;overflow-x:auto}.vmodal-qualities span{font-weight:600;color:var(--tx-muted)}.quality-btn,.hls-quality-btn{padding:4px 10px;border-radius:6px;font-size:.8rem;font-weight:600;transition:opacity .15s}.quality-btn:hover,.hls-quality-btn:hover{opacity:.85}.vmodal-info{display:flex;align-items:center;gap:8px;padding:10px 18px;font-size:.82rem;color:var(--tx-muted);border-top:1px solid var(--border)}.vmodal-live-dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 1.5s infinite}.global-loading{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:#fff}.empty{text-align:center;padding:60px 20px;color:var(--tx-muted);font-size:1.05rem}.error-box{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--red);padding:20px;border-radius:var(--radius-md);text-align:center}.sk-box{background:var(--sf2)}.sk-line{height:12px;background:var(--sf2);border-radius:4px;margin-bottom:6px}.sk-line.sk-title{width:65%;height:14px}.sk-line.sk-subtitle{width:40%}.skeleton-card,.skeleton-row{pointer-events:none}.sk-box,.sk-line{background:linear-gradient(90deg,var(--sf2) 0%,var(--sf-hover) 50%,var(--sf2) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@media (max-width: 640px){.app-header{padding:10px 14px}.page{padding:18px 14px 40px}.courses-grid{grid-template-columns:1fr}}.pdf-modal-card{display:flex;flex-direction:column;width:100%}.pdf-big-icon{width:64px;height:64px;border-radius:16px;background:#f59e0b1f;border:1px solid rgba(245,158,11,.25);display:flex;align-items:center;justify-content:center;color:#f59e0b;margin-bottom:14px}.pdf-doc-title{font-size:1.15rem;font-weight:700;color:var(--tx);max-width:95%;margin-bottom:6px;word-break:break-word}.pdf-doc-filename{font-size:.82rem;color:var(--tx-muted);max-width:95%;word-break:break-all;margin-bottom:24px;background:var(--sf2);padding:4px 10px;border-radius:6px;border:1px solid var(--border)}.pdf-two-options{display:flex;align-items:center;justify-content:center;gap:14px;width:100%}.pdf-btn-opt{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 20px;border-radius:var(--radius-md);font-size:.95rem;font-weight:700;cursor:pointer;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none;border:none}.pdf-btn-see{background:#3b82f6;color:#fff;box-shadow:0 4px 14px #3b82f64d}.pdf-btn-see:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 6px 18px #3b82f666}.pdf-btn-see:active{transform:translateY(0)}.pdf-btn-download{background:#10b981;color:#fff;box-shadow:0 4px 14px #10b9814d}.pdf-btn-download:hover{background:#059669;transform:translateY(-1px);box-shadow:0 6px 18px #10b98166}.pdf-btn-download:active{transform:translateY(0)}.pdf-btn-download.loading{opacity:.85;pointer-events:none}.spin-svg{animation:spin .8s linear infinite}@media (max-width: 480px){.pdf-two-options{gap:12px}.pdf-btn-opt{height:48px;font-size:.92rem;gap:8px;padding:0 14px}}