.favorite-btn-detail{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;background-color:transparent;border:2px solid var(--secondary-color);border-radius:30px;font-size:16px;color:var(--secondary-color);font-weight:600;cursor:pointer;transition:all .3s ease}.favorite-icon{font-size:20px;transition:transform .3s ease}.favorite-text{font-size:16px;transition:color .3s ease}.favorite-btn-detail:hover{background-color:#007bff;color:#fff}.favorite-btn-detail:hover .favorite-icon{transform:scale(1.2)}.favorite-btn-detail:hover .favorite-text{color:#fff}.favorite-btn-detail.active{background-color:#ff4081;border-color:#ff4081;color:#fff}.favorite-btn-detail.active .favorite-icon{color:#fff}@media(max-width:600px){.favorite-btn-detail{font-size:14px;padding:8px 16px}.favorite-icon{font-size:18px}}#occurrenceCarousel .alert.alert-info{padding:2rem}.course-nav-wrapper{position:sticky;top:72px;z-index:1049;background:linear-gradient(135deg,#142338 0%,#0056b3 100%);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.08);box-shadow:0 4px 20px rgba(0,0,0,.08);padding:12px 0}.course-nav-container{display:flex;gap:8px;overflow-x:auto;scroll-behavior:smooth;padding-bottom:8px}.course-nav-container::-webkit-scrollbar{height:4px}.course-nav-container::-webkit-scrollbar-track{background:rgba(0,0,0,.05);border-radius:10px}.course-nav-container::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15);border-radius:10px;transition:background .3s ease}.course-nav-container::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.25)}.course-nav-item{padding:8px 16px;border-radius:20px;background:rgba(255,255,255,.6);border:1px solid rgba(0,0,0,.1);color:#333;font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);flex-shrink:0;display:inline-flex;align-items:center;gap:6px}.course-nav-item:hover{background:rgba(0,123,255,.1);border-color:rgba(0,123,255,.3);color:#007bff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,123,255,.15)}.course-nav-item.active{background:var(--bs-code-color);border-color:#0056b3;color:#fff;box-shadow:0 4px 15px rgba(0,123,255,.3)}.course-nav-item.active::before{content:"✓";display:inline-block;margin-right:4px}.course-nav-icon{font-size:12px;opacity:.7}@media(max-width:768px){.course-nav-item{padding:7px 12px;font-size:13px}.course-nav-icon{display:none}}@media(max-width:576px){.course-nav-item{padding:6px 10px;font-size:12px}}.course-img{place-self:center}.side-instructors{background:linear-gradient(135deg,rgb(43 92 137/37%) 0%,#fff 62%)}.favorite-btn-detail{position:relative;display:inline-flex;align-items:center;justify-content:flex-start;background-color:#fff;border:1px solid #ccc;border-radius:999px;cursor:pointer;overflow:hidden;padding:4px 10px;width:4rem;transition:width .3s ease;font-family:inherit}.favorite-btn-detail:hover{width:16rem;background:#dc3545!important}.favorite-icon{font-size:1.2rem;flex-shrink:0;z-index:2}.favorite-text{margin-right:.5rem;white-space:nowrap;opacity:0;transform:translateX(10px);transition:opacity .25s ease .05s,transform .25s ease .05s}.favorite-btn-detail:hover .favorite-text{opacity:1;transform:translateX(0)}.py-5.bg-light{padding:1rem!important;padding-top:1rem!important;padding-bottom:1rem!important}.bi-play-circle::before{transform:rotate(180deg)}:root{--primary-color:#1e3a5f;--primary-light:#f0f7ff;--success-color:#198754;--warning-color:#ffc107;--danger-color:#dc3545;--neutral-100:#f8f9fa;--neutral-200:#e9ecef;--neutral-300:#dee2e6;--neutral-600:#6c757d;--neutral-700:#495057;--neutral-900:#212529;--shadow-sm:0 2px 8px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.12);--shadow-lg:0 8px 24px rgba(0,0,0,.15);--radius-sm:6px;--radius-md:10px;--radius-lg:14px}body{background-color:#f9fafb;font-family:"IranSans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}.course-gallery{position:relative;margin-bottom:2rem}#galleryCarousel{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}.carousel-item img{transition:transform .6s cubic-bezier(.4,0,.2,1);max-height:500px;object-fit:cover}.carousel-item:hover img{transform:scale(1.05)}.carousel-control-prev,.carousel-control-next{background:rgba(0,0,0,.35);width:48px;height:48px;border-radius:50%;top:50%;transform:translateY(-50%);transition:all .3s ease;opacity:0}.carousel-item:hover~.carousel-control-prev,.carousel-item:hover~.carousel-control-next,#galleryCarousel:hover .carousel-control-prev,#galleryCarousel:hover .carousel-control-next{opacity:1}.carousel-control-prev:hover,.carousel-control-next:hover{background:rgba(0,0,0,.6);transform:translateY(-50%) scale(1.1)}.course-header-card{background:linear-gradient(135deg,#fff 0%,#f8f9fa 100%);border:1px solid var(--neutral-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all .3s ease}.course-header-card:hover{box-shadow:var(--shadow-lg);border-color:var(--neutral-300)}.course-badge{display:inline-block;padding:.5rem 1.2rem;background:linear-gradient(135deg,var(--primary-light) 0%,rgba(13,110,253,.1) 100%);color:var(--primary-color);border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;border:1px solid rgba(13,110,253,.2);transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px}.course-badge:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 12px rgba(13,110,253,.3)}.course-title{font-size:2.5rem;font-weight:800;color:var(--neutral-900);line-height:1.2;margin:1.5rem 0 .5rem 0;letter-spacing:-.5px}.course-description{font-size:1.1rem;color:var(--neutral-700);line-height:1.6;margin:1rem 0}.favorite-btn-detail{border:2px solid transparent;background:transparent;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;gap:.5rem;color:var(--danger-color);padding:.65rem 1.2rem;border-radius:var(--radius-md);font-weight:500;border-color:var(--danger-color)}.favorite-btn-detail:hover{background:rgba(220,53,69,.1);transform:scale(1.08)}.favorite-btn-detail.active{background:var(--danger-color);color:#fff;border-color:var(--danger-color)}.favorite-btn-detail i{font-size:1.2rem;transition:all .3s ease}.favorite-btn-detail .bi-heart{display:inline}.favorite-btn-detail .bi-heart-fill{display:none}.favorite-btn-detail.active .bi-heart{display:none}.favorite-btn-detail.active .bi-heart-fill{display:inline;animation:heartbeat .3s ease}@keyframes heartbeat{0%,100%{transform:scale(1)}50%{transform:scale(1.2)}}.course-meta{display:flex;flex-wrap:wrap;gap:2rem;margin:1.5rem 0;padding:1.5rem 0;border-top:1px solid var(--neutral-200);border-bottom:1px solid var(--neutral-200)}.meta-item{display:flex;align-items:center;gap:.75rem;font-size:1rem;color:var(--neutral-700)}.meta-item strong{color:var(--neutral-900);font-weight:600}.meta-icon{font-size:1.3rem}.price-section{background:linear-gradient(135deg,var(--primary-light) 0%,rgba(13,110,253,.05) 100%);border:2px solid var(--primary-color);border-radius:var(--radius-lg);padding:2rem;margin-top:2rem;position:relative;overflow:hidden}.price-section::before{content:'';position:absolute;top:0;right:0;width:200px;height:200px;background:radial-gradient(circle,rgba(13,110,253,.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}.price-display{font-size:2.2rem;font-weight:800;color:var(--success-color);margin-bottom:1.5rem;display:flex;align-items:baseline;gap:.5rem;position:relative;z-index:1}.btn-primary-custom{background:linear-gradient(135deg,var(--primary-color) 0%,#0856ca 100%);border:2px solid var(--primary-color);color:#fff;font-weight:600;padding:.85rem 2rem;border-radius:var(--radius-md);transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;box-shadow:0 4px 12px rgba(13,110,253,.3);display:inline-flex;align-items:center;gap:.5rem;font-size:1rem;text-decoration:none}.btn-primary-custom:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(13,110,253,.4);color:#fff;text-decoration:none;border-color:#0856ca}.btn-outline-primary-custom{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color);font-weight:600;padding:.75rem 2rem;border-radius:var(--radius-md);transition:all .3s ease;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none}.btn-outline-primary-custom:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(13,110,253,.25)}.content-section{background:#fff;border-radius:var(--radius-lg);padding:2rem;margin-bottom:2rem;border:1px solid var(--neutral-200);transition:all .3s ease}.content-section:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color)}.section-title{font-size:1.4rem;font-weight:700;color:var(--neutral-900);margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;position:relative}.section-title::before{content:'';flex-shrink:0;width:5px;height:28px;background:linear-gradient(180deg,var(--primary-color) 0%,#0856ca 100%);border-radius:3px;box-shadow:0 2px 8px rgba(13,110,253,.3)}.accordion-item{border:1px solid var(--neutral-200);border-radius:var(--radius-md);overflow:hidden;margin-bottom:.75rem;transition:all .3s ease}.accordion-item:hover{box-shadow:var(--shadow-sm);border-color:var(--primary-color)}.accordion-button{font-weight:600;color:var(--neutral-900);background-color:#fff;border:0;padding:1.25rem;transition:all .3s ease;font-size:1rem}.course-caption-title{text-shadow:0 2px 4px rgba(0,0,0,.5)}.course-cover-image{max-height:400px;object-fit:cover;width:100%}.course-desc-image{border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.1);max-width:100%;height:auto;display:block}.course-desc-text{line-height:1.8;color:#495057}.course-audio-player{max-height:32px}.course-video-player{max-height:180px;object-fit:cover}.pdf-icon{color:#dc3545;font-size:2.5rem}.lesson-video{width:100%;max-height:500px}.course-nav-wrapper.d-none{display:none!important}.course-gallery{position:relative;margin-bottom:2rem}#galleryCarousel{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}.carousel-item img{transition:transform .6s cubic-bezier(.4,0,.2,1);max-height:500px;object-fit:cover}.carousel-item:hover img{transform:scale(1.05)}.carousel-control-prev,.carousel-control-next{background:rgba(0,0,0,.35);width:48px;height:48px;border-radius:50%;top:50%;transform:translateY(-50%);transition:all .3s ease;opacity:0}.carousel-item:hover~.carousel-control-prev,.carousel-item:hover~.carousel-control-next,#galleryCarousel:hover .carousel-control-prev,#galleryCarousel:hover .carousel-control-next{opacity:1}.carousel-control-prev:hover,.carousel-control-next:hover{background:rgba(0,0,0,.6);transform:translateY(-50%) scale(1.1)}.course-header-card{background:linear-gradient(135deg,#fff 0%,#f8f9fa 100%);border:1px solid var(--neutral-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all .3s ease}.course-header-card:hover{box-shadow:var(--shadow-lg);border-color:var(--neutral-300)}.course-badge{display:inline-block;padding:.5rem 1.2rem;background:linear-gradient(135deg,var(--primary-light) 0%,rgba(13,110,253,.1) 100%);color:var(--primary-color);border-radius:var(--radius-sm);font-weight:600;font-size:.85rem;border:1px solid rgba(13,110,253,.2);transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px}.course-badge:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 12px rgba(13,110,253,.3)}.course-title{font-size:2.5rem;font-weight:800;color:var(--neutral-900);line-height:1.2;margin:1.5rem 0 .5rem 0;letter-spacing:-.5px}.course-description{font-size:1.1rem;color:var(--neutral-700);line-height:1.6;margin:1rem 0}.course-description-content{color:var(--neutral-700);line-height:1.85;font-size:1rem;word-break:break-word}.course-description-content img{max-width:100%;height:auto;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin:1rem 0}.favorite-btn-detail{border:2px solid transparent;background:transparent;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;gap:.5rem;color:var(--danger-color);padding:.65rem 1.2rem;border-radius:var(--radius-md);font-weight:500;border-color:var(--danger-color)}.favorite-btn-detail:hover{background:rgba(220,53,69,.1);transform:scale(1.08)}.favorite-btn-detail.active{background:var(--danger-color);color:#fff;border-color:var(--danger-color)}.favorite-btn-detail i{font-size:1.2rem;transition:all .3s ease}.favorite-btn-detail .bi-heart{display:inline}.favorite-btn-detail .bi-heart-fill{display:none}.favorite-btn-detail.active .bi-heart{display:none}.favorite-btn-detail.active .bi-heart-fill{display:inline;animation:heartbeat .3s ease}@keyframes heartbeat{0%,100%{transform:scale(1)}50%{transform:scale(1.2)}}.course-meta{display:flex;flex-wrap:wrap;gap:2rem;margin:1.5rem 0;padding:1.5rem 0;border-top:1px solid var(--neutral-200);border-bottom:1px solid var(--neutral-200)}.meta-item{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;font-size:1rem;color:var(--neutral-700)}.meta-item strong{color:var(--neutral-900);font-weight:600}.meta-icon{font-size:1.3rem}.price-section{background:linear-gradient(135deg,var(--primary-light) 0%,rgba(13,110,253,.05) 100%);border:2px solid var(--primary-color);border-radius:var(--radius-lg);padding:2rem;margin-top:2rem;position:relative;overflow:hidden}.price-section::before{content:'';position:absolute;top:0;right:0;width:200px;height:200px;background:radial-gradient(circle,rgba(13,110,253,.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}.price-display{font-size:2.2rem;font-weight:800;color:var(--success-color);margin-bottom:1.5rem;display:flex;align-items:baseline;gap:.5rem;position:relative;z-index:1}.btn-primary-custom{background:linear-gradient(135deg,var(--primary-color) 0%,#0856ca 100%);border:2px solid var(--primary-color);color:#fff;font-weight:600;padding:.85rem 2rem;border-radius:var(--radius-md);transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;box-shadow:0 4px 12px rgba(13,110,253,.3);display:inline-flex;align-items:center;gap:.5rem;font-size:1rem;text-decoration:none}.btn-primary-custom:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(13,110,253,.4);color:#fff;text-decoration:none;border-color:#0856ca}.btn-outline-primary-custom{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color);font-weight:600;padding:.75rem 2rem;border-radius:var(--radius-md);transition:all .3s ease;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none}.btn-outline-primary-custom:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(13,110,253,.25)}.content-section{background:#fff;border-radius:var(--radius-lg);padding:2rem;margin-bottom:2rem;border:1px solid var(--neutral-200);transition:all .3s ease}.content-section:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color)}.section-title{font-size:1.4rem;font-weight:700;color:var(--neutral-900);margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;position:relative}.section-title::before{content:'';flex-shrink:0;width:5px;height:28px;background:linear-gradient(180deg,var(--primary-color) 0%,#0856ca 100%);border-radius:3px;box-shadow:0 2px 8px rgba(13,110,253,.3)}.accordion-item{border:1px solid var(--neutral-200);border-radius:var(--radius-md);overflow:hidden;margin-bottom:.75rem;transition:all .3s ease}.accordion-item:hover{box-shadow:var(--shadow-sm);border-color:var(--primary-color)}.accordion-button{font-weight:600;color:var(--neutral-900);background-color:#fff;border:0;padding:1.25rem;transition:all .3s ease;font-size:1rem}.accordion-button:not(.collapsed){background:linear-gradient(135deg,var(--primary-light) 0%,#fff 100%);color:var(--primary-color);box-shadow:inset 0 0 0 .125rem rgba(13,110,253,.25)}.accordion-button:hover{background-color:var(--neutral-100);color:var(--neutral-900)}.accordion-button::after{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230d6efd'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e")}.accordion-body{background:var(--neutral-100);border-top:1px solid var(--neutral-200);padding:1.5rem}.learning-outcome-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--neutral-200);transition:all .3s ease}.learning-outcome-item:last-child{border-bottom:0}.learning-outcome-item:hover{padding-left:.5rem;color:var(--primary-color)}.outcome-check{flex-shrink:0;width:28px;height:28px;background:linear-gradient(135deg,var(--success-color) 0%,#15653f 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:bold;font-size:1rem;box-shadow:0 2px 8px rgba(25,135,84,.3)}.file-card{background:linear-gradient(135deg,#fff 0%,var(--neutral-100) 100%);border:1px solid var(--neutral-200);border-radius:var(--radius-md);padding:1.5rem;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1);height:100%;display:flex;flex-direction:column}.file-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--primary-color);background:linear-gradient(135deg,var(--primary-light) 0%,#fff 100%)}.file-icon{font-size:2.5rem;margin-bottom:1rem}.file-title{font-weight:600;color:var(--neutral-900);margin-bottom:.5rem;line-height:1.4;flex-grow:1}.file-description{color:var(--neutral-600);font-size:.9rem;margin-bottom:1rem}audio,video{width:100%;max-width:100%;border-radius:var(--radius-md);background:var(--neutral-900);box-shadow:0 2px 8px rgba(0,0,0,.1)}.related-courses-container{background:linear-gradient(135deg,#fff 0%,var(--neutral-100) 100%);border:1px solid var(--neutral-200);border-radius:var(--radius-lg);transition:all .3s ease;overflow:hidden;box-shadow:var(--shadow-sm)}.related-courses-container:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.related-courses-header{padding:1.5rem;border-bottom:2px solid var(--neutral-200);display:flex;align-items:center;gap:.75rem;background:linear-gradient(135deg,var(--primary-light) 0%,#fff 100%)}.related-courses-header h5{margin:0;font-weight:700;font-size:1.1rem;color:var(--neutral-900)}.related-courses-header::before{content:'';display:inline-block;width:20px;height:20px;margin-right:.5rem;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d6efd' stroke-width='1.5'><path d='M10 14a5 5 0 0 0 7 0l3-3a5 5 0 0 0-7-7l-1 1' stroke-linecap='round' stroke-linejoin='round'/><path d='M14 10a5 5 0 0 0-7 0l-3 3a5 5 0 0 0 7 7l1-1' stroke-linecap='round' stroke-linejoin='round'/></svg>");background-size:contain;background-repeat:no-repeat}.related-courses-list{padding:1.5rem;max-height:500px;overflow-y:auto}.related-courses-list::-webkit-scrollbar{width:6px}.related-courses-list::-webkit-scrollbar-track{background:var(--neutral-100);border-radius:var(--radius-lg)}.related-courses-list::-webkit-scrollbar-thumb{background:var(--neutral-300);border-radius:var(--radius-lg);transition:background .3s ease}.related-courses-list::-webkit-scrollbar-thumb:hover{background:var(--neutral-600)}.related-course-item{display:block;text-decoration:none;color:inherit;padding:1rem;margin-bottom:1rem;background:#fff;border:1px solid var(--neutral-200);border-radius:var(--radius-md);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.related-course-item::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left .5s}.related-course-item:hover{border-color:var(--primary-color);background:linear-gradient(135deg,var(--primary-light) 0%,#fff 100%);box-shadow:0 4px 12px rgba(13,110,253,.15);transform:translateX(-4px)}.related-course-item:hover::before{left:100%}.related-course-content{display:flex;gap:1rem;position:relative;z-index:1}.related-course-image{flex-shrink:0}.related-course-image img{width:80px;height:80px;border-radius:var(--radius-md);object-fit:cover;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:transform .3s ease}.related-course-item:hover .related-course-image img{transform:scale(1.08)}.related-course-info{flex-grow:1;display:flex;flex-direction:column;justify-content:space-between;min-width:0}.related-course-title{font-weight:600;font-size:.95rem;color:var(--neutral-900);margin:0 0 .5rem 0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .3s ease}.related-course-item:hover .related-course-title{color:var(--primary-color)}.related-course-category{display:inline-block;font-size:.75rem;font-weight:600;padding:.3rem .6rem;background:var(--primary-light);color:var(--primary-color);border-radius:var(--radius-sm);white-space:nowrap;border:1px solid rgba(13,110,253,.2);transition:all .3s ease}.related-course-item:hover .related-course-category{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.related-course-price{font-weight:700;font-size:.95rem;color:var(--success-color);display:flex;align-items:center;gap:.25rem}.related-course-price::before{content:'';display:inline-block;width:16px;height:16px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2318794e' stroke-width='1.6'><path d='M12 1v2' stroke-linecap='round' stroke-linejoin='round'/><path d='M17 3a4 4 0 0 1-8 0' stroke-linecap='round' stroke-linejoin='round'/><path d='M7 21h10a2 2 0 0 0 2-2v-2a6 6 0 0 0-6-6H11a6 6 0 0 0-6 6v2a2 2 0 0 0 2 2z' stroke-linecap='round' stroke-linejoin='round'/></svg>");background-size:contain;background-repeat:no-repeat}.related-course-arrow{opacity:0;transition:opacity .3s ease,transform .3s ease;color:var(--primary-color);font-weight:700;display:flex;align-items:center;justify-content:center}.related-course-item:hover .related-course-arrow{opacity:1;transform:translateX(-4px)}.course-meta{display:flex;flex-wrap:wrap;gap:1.5rem;margin:1.5rem 0;padding:1.5rem;border-radius:var(--radius-md);background:var(--neutral-100);border:1px solid var(--neutral-200)}.course-meta .meta-item{flex:1 1 30%;min-width:180px;width:100%;padding:1rem}.course-meta .meta-icon{min-width:32px;display:flex;align-items:center;justify-content:center}.instructor-card{background:#fff;border:1px solid var(--neutral-200);border-radius:var(--radius-md);padding:1.5rem;margin-bottom:1rem;transition:all .3s ease}.instructor-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color);transform:translateY(-2px)}.instructor-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid var(--primary-color);box-shadow:0 4px 12px rgba(13,110,253,.25);transition:transform .3s ease}.instructor-card:hover .instructor-avatar{transform:scale(1.08)}@media(max-width:768px){.course-title{font-size:1.8rem}.course-meta{gap:1rem;font-size:.9rem}.price-display{font-size:1.8rem}.section-title{font-size:1.2rem}.content-section{padding:1.5rem}.accordion-button{padding:1rem;font-size:.95rem}}@media(max-width:576px){.course-header-card{padding:1rem!important}.price-section{padding:1.5rem}.course-title{font-size:1.5rem}.course-meta{flex-direction:column;gap:.75rem}.btn-primary-custom,.btn-outline-primary-custom{width:100%;justify-content:center}}.course-nav-wrapper{background:linear-gradient(180deg,#fff 0%,#f9fafb 100%);border-bottom:2px solid var(--neutral-200);position:sticky;top:var(--nav-top,56px);z-index:1000;box-shadow:0 2px 12px rgba(13,110,253,.08);margin:0;padding:0;backdrop-filter:blur(8px);background-color:rgba(255,255,255,.95);width:100%;left:0;right:0}.course-nav-container{display:flex;gap:0;overflow-x:auto;overflow-y:hidden;scroll-behavior:smooth;padding:0 2rem;margin:0;height:60px;align-items:center;max-width:100%;justify-content:center}.course-nav-container::-webkit-scrollbar{height:4px}.course-nav-container::-webkit-scrollbar-track{background:transparent}.course-nav-container::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--primary-color),#0856ca);border-radius:2px;box-shadow:0 0 4px rgba(13,110,253,.2)}.course-nav-container::-webkit-scrollbar-thumb:hover{background:linear-gradient(90deg,#0856ca,var(--primary-color))}.course-nav-item{flex-shrink:0;padding:.75rem 1.25rem;color:var(--neutral-700);text-decoration:none;font-weight:600;font-size:.9rem;border-bottom:3px solid transparent;transition:all .28s cubic-bezier(.2,.9,.2,1);white-space:nowrap;position:relative;display:inline-flex;align-items:center;height:3rem;margin:0 .25rem;border-radius:3rem;letter-spacing:.3px}.course-nav-item:hover{color:var(--primary-color);background:linear-gradient(135deg,var(--primary-light) 0%,rgba(13,110,253,.05) 100%);transform:translateY(-2px)}.course-nav-item.active::after{content:'';position:absolute;bottom:-2px;left:1.25rem;right:1.25rem;height:3px;background:linear-gradient(90deg,var(--primary-color) 0%,#0856ca 100%);border-radius:2px;box-shadow:0 2px 8px rgba(13,110,253,.3)}.session-card{background:linear-gradient(135deg,#f8f9fa 0%,#f5f8fc 100%);border:2px solid rgba(74,144,217,.15);border-radius:16px;padding:24px;transition:all .3s cubic-bezier(.23,1,.32,1);box-shadow:0 4px 15px rgba(0,0,0,.08);position:relative;overflow:hidden}.session-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(74,144,217,.05) 0%,transparent 100%);opacity:0;transition:opacity .3s ease;z-index:0}.session-card:hover::before{opacity:1}.session-card:hover{box-shadow:0 16px 40px rgba(74,144,217,.2);transform:translateY(-4px);border-color:rgba(74,144,217,.3)}.session-header{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:2px solid rgba(74,144,217,.15);position:relative;z-index:1}.session-header svg{color:var(--accent-color);min-width:20px}.session-header strong{font-size:1.1rem;color:#1f2937;margin:0}.session-content{display:grid;gap:16px;position:relative;z-index:1}.session-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(74,144,217,.05)}.session-item:last-child{border-bottom:0}.session-label{font-weight:600;color:#6b7280;font-size:.95rem}.session-value{font-weight:700;color:#1f2937;font-size:1.05rem;font-feature-settings:"tnum"}.empty-state-card{background:linear-gradient(135deg,#f8f9fa 0%,#f5f8fc 100%);border:2px dashed rgba(74,144,217,.3);border-radius:16px;padding:40px 24px;text-align:center;transition:all .3s cubic-bezier(.23,1,.32,1);position:relative;overflow:hidden;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;animation:slideInUp .4s cubic-bezier(.23,1,.32,1)}.empty-state-card::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 30% 40%,rgba(74,144,217,.05) 0%,transparent 50%);pointer-events:none;z-index:0}.empty-state-card:hover{border-color:rgba(74,144,217,.5);background:linear-gradient(135deg,#eef5fb 0%,#e8f1f8 100%);box-shadow:0 8px 25px rgba(74,144,217,.12)}.empty-state-icon{color:var(--accent-color);margin-bottom:24px;opacity:.7;transition:all .3s ease;position:relative;z-index:1}.empty-state-card:hover .empty-state-icon{opacity:1;transform:scale(1.1)}.empty-state-content{position:relative;z-index:1}.empty-state-title{font-size:1.25rem;font-weight:700;color:#1f2937;margin-bottom:12px;margin:0 0 12px 0}.empty-state-text{font-size:.95rem;color:#6b7280;margin:0;line-height:1.6;max-width:400px}.enrollment-section{min-height:48px;align-items:flex-start;margin-top:8px}.alert-enrolled{background:linear-gradient(135deg,#ecfdf5 0%,#d1fae5 100%)!important;border:2px solid #6ee7b7!important;border-radius:12px!important;animation:slideInUp .4s cubic-bezier(.23,1,.32,1);transition:all .3s ease}.alert-enrolled:hover{box-shadow:0 8px 20px rgba(16,185,129,.15);transform:translateY(-2px)}.course-header-card{background:linear-gradient(180deg,#fff 0%,#f9fbff 100%);border-radius:20px;box-shadow:0 2px 20px rgba(0,0,0,.08);transition:all .4s cubic-bezier(.23,1,.32,1);border:1px solid rgba(74,144,217,.08)}.course-header-card:hover{box-shadow:0 12px 40px rgba(74,144,217,.15);border-color:rgba(74,144,217,.2);transform:translateY(-2px)}.meta-item{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid rgba(0,0,0,.05);position:relative}.meta-item:last-child{border-bottom:0}.meta-item::after{content:'';position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--accent-color);transition:width .3s cubic-bezier(.23,1,.32,1)}.meta-item:hover::after{width:48px}.meta-item:hover{color:var(--accent-color)}.meta-icon{display:flex;align-items:center;width:48px;height:48px;background:linear-gradient(135deg,rgba(74,144,217,.1) 0%,rgba(44,95,141,.1) 100%);border-radius:12px;color:var(--accent-color);transition:all .3s cubic-bezier(.23,1,.32,1);flex-shrink:0;box-shadow:0 4px 12px rgba(74,144,217,.15)}.meta-item:hover .meta-icon{background:linear-gradient(135deg,var(--accent-color) 0%,var(--secondary-color) 100%);color:#fff;transform:scale(1.15) rotate(5deg);box-shadow:0 8px 20px rgba(74,144,217,.3)}.btn-primary,.btn-outline-primary{border-radius:12px!important;font-weight:600;padding:12px 24px!important;transition:all .3s cubic-bezier(.23,1,.32,1)!important;box-shadow:0 4px 12px rgba(74,144,217,.2)!important;position:relative;overflow:hidden}.btn-primary::before,.btn-outline-primary::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.3);transform:translate(-50%,-50%);transition:width .6s,height .6s;z-index:0}.btn-primary:hover::before,.btn-outline-primary:hover::before{width:300px;height:300px}.btn-primary,.btn-outline-primary{z-index:1}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(74,144,217,.35)!important}.btn-outline-primary:hover{transform:translateY(-3px);background:linear-gradient(135deg,var(--accent-color) 0%,var(--secondary-color) 100%);border-color:var(--accent-color);box-shadow:0 12px 28px rgba(74,144,217,.35)!important}.btn-primary:active{transform:translateY(-1px)}.btn-outline-primary:active{transform:translateY(-1px)}.carousel-item{padding:12px 0;animation:fadeIn .5s ease-in}.carousel-control-prev,.carousel-control-next{width:auto!important;height:48px!important;opacity:.6;transition:all .3s cubic-bezier(.23,1,.32,1);background:rgba(74,144,217,.1)!important;border-radius:8px;margin:0 12px}.carousel-control-prev:hover,.carousel-control-next:hover{opacity:1;background:rgba(74,144,217,.2)!important;transform:scale(1.1)}.carousel-control-prev-icon,.carousel-control-next-icon{filter:brightness(.5);transition:filter .3s ease}.carousel-control-prev:hover .carousel-control-prev-icon,.carousel-control-next:hover .carousel-control-next-icon{filter:brightness(1)}.favorite-btn-detail{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid #f3f4f6;color:#6b7280;padding:12px 18px;border-radius:12px;cursor:pointer;transition:all .3s cubic-bezier(.23,1,.32,1);font-weight:600;font-size:.95rem;position:relative;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06)}.favorite-btn-detail::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(220,38,38,.1) 0%,rgba(239,68,68,.05) 100%);opacity:0;transition:opacity .3s ease;z-index:0}.favorite-btn-detail:hover::before,.favorite-btn-detail.active::before{opacity:1}.favorite-btn-detail:hover{border-color:#dc2626;color:#dc2626;background:linear-gradient(135deg,#fef2f2 0%,#fee2e2 100%);transform:translateY(-2px);box-shadow:0 8px 20px rgba(220,38,38,.2)}.favorite-btn-detail.active{background:linear-gradient(135deg,#fee2e2 0%,#fecaca 100%);border-color:#dc2626;color:#dc2626;box-shadow:0 8px 20px rgba(220,38,38,.2)}.favorite-btn-detail i.bi-heart{opacity:1;transition:all .3s cubic-bezier(.23,1,.32,1);font-size:1.1rem;position:relative;z-index:1}.favorite-btn-detail i.bi-heart-fill{opacity:0;transition:all .3s cubic-bezier(.23,1,.32,1);font-size:1.1rem;position:relative;z-index:1}.favorite-btn-detail.active i.bi-heart{opacity:0;transform:scale(.8)}.favorite-btn-detail.active i.bi-heart-fill{opacity:1;animation:scaleIn .3s cubic-bezier(.23,1,.32,1)}@keyframes slideInDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.8}}.course-title{background:linear-gradient(135deg,#1f2937 0%,#374151 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;font-weight:800;letter-spacing:-.5px;animation:slideInUp .5s ease-out}.content-section{animation:slideInUp .5s ease-out backwards}.content-section:nth-child(1){animation-delay:0ms}.content-section:nth-child(2){animation-delay:100ms}.content-section:nth-child(3){animation-delay:200ms}.content-section:nth-child(4){animation-delay:300ms}.content-section:nth-child(5){animation-delay:400ms}.section-title{animation:slideInUp .4s cubic-bezier(.23,1,.32,1);font-weight:700;font-size:1.5rem;position:relative;padding-bottom:12px}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:linear-gradient(90deg,var(--accent-color),var(--secondary-color));border-radius:2px;animation:slideInUp .5s cubic-bezier(.23,1,.32,1) .2s backwards}.course-badge{display:inline-block;background:linear-gradient(135deg,var(--accent-color) 0%,var(--secondary-color) 100%);color:#fff;padding:8px 16px;border-radius:20px;font-weight:600;font-size:.85rem;box-shadow:0 4px 12px rgba(74,144,217,.3);letter-spacing:.3px;animation:slideInDown .4s cubic-bezier(.23,1,.32,1);transition:all .3s cubic-bezier(.23,1,.32,1)}.course-badge:hover{transform:scale(1.08);box-shadow:0 8px 20px rgba(74,144,217,.4)}.carousel-inner{border-radius:16px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.12)}#galleryCarousel img{transition:all .4s cubic-bezier(.23,1,.32,1);object-fit:cover}.carousel-item.active img{animation:scaleIn .4s cubic-bezier(.23,1,.32,1)}.carousel-caption{animation:slideInUp .4s ease-out .1s backwards}html{scroll-behavior:smooth}.accordion-button{transition:all .3s cubic-bezier(.23,1,.32,1)!important;font-weight:600;font-size:1rem;padding:16px 20px!important;background:linear-gradient(135deg,#f8f9fa 0%,#f5f8fc 100%)!important;border-bottom:2px solid rgba(74,144,217,.1)!important;position:relative}.accordion-button:not(.collapsed){background:linear-gradient(135deg,#eef5fb 0%,#e8f1f8 100%)!important;color:var(--accent-color)!important;box-shadow:inset 0 2px 4px rgba(74,144,217,.1)!important}.accordion-button:hover{background:linear-gradient(135deg,#eef5fb 0%,#e8f1f8 100%)!important;color:var(--accent-color)!important}.accordion-button::after{transition:transform .3s cubic-bezier(.23,1,.32,1)!important;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%234f46e5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e")!important}.accordion-body{padding:24px 20px!important;animation:slideInUp .3s ease-out}.card{transition:all .3s cubic-bezier(.23,1,.32,1);border:1px solid rgba(74,144,217,.1);border-radius:16px}.card:hover{box-shadow:0 12px 28px rgba(74,144,217,.12);border-color:rgba(74,144,217,.2);transform:translateY(-2px)}.learning-outcome-item{animation:slideInUp .5s ease-out backwards}.learning-outcome-item:nth-child(1){animation-delay:.05s}.learning-outcome-item:nth-child(2){animation-delay:.1s}.learning-outcome-item:nth-child(3){animation-delay:.15s}.learning-outcome-item:nth-child(4){animation-delay:.2s}.learning-outcome-item:nth-child(5){animation-delay:.25s}.learning-outcome-item:nth-child(6){animation-delay:.3s}.related-courses-container{animation:slideInUp .5s ease-out;background:linear-gradient(135deg,#f8f9fa 0%,#f5f8fc 100%);border-radius:16px;padding:24px;border:1px solid rgba(74,144,217,.1)}.related-courses-header{margin-bottom:20px}.related-course-item{transition:all .3s cubic-bezier(.23,1,.32,1);border-radius:12px;padding:12px;display:flex;gap:12px;text-decoration:none;color:inherit;margin-bottom:12px;background:#fff;border:1px solid rgba(74,144,217,.08)}.related-course-item:hover{box-shadow:0 8px 20px rgba(74,144,217,.15);transform:translateX(8px);border-color:rgba(74,144,217,.2)}.related-course-image{flex-shrink:0}.related-course-image img{border-radius:8px;transition:transform .3s ease;object-fit:cover}.related-course-item:hover .related-course-image img{transform:scale(1.05)}.related-course-arrow{display:flex;align-items:center;margin-left:auto;opacity:0;transform:translateX(-10px);transition:all .3s ease}.related-course-item:hover .related-course-arrow{opacity:1;transform:translateX(0)}.alert-enrolled{animation:slideInUp .4s cubic-bezier(.23,1,.32,1);border-radius:12px!important;font-weight:600;display:flex;align-items:center;min-height:44px}.spinner-border-sm{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.accordion-button{transition:all .3s cubic-bezier(.23,1,.32,1)!important;font-weight:600;font-size:1rem;padding:16px 20px!important;background:linear-gradient(135deg,#f8f9fa 0%,#f5f8fc 100%)!important;border-bottom:2px solid rgba(74,144,217,.1)!important;position:relative}.accordion-button:not(.collapsed){background:linear-gradient(135deg,#eef5fb 0%,#e8f1f8 100%)!important;color:var(--accent-color)!important;box-shadow:inset 0 2px 4px rgba(74,144,217,.1)!important}.accordion-button:hover{background:linear-gradient(135deg,#eef5fb 0%,#e8f1f8 100%)!important;color:var(--accent-color)!important}.accordion-button::after{transition:transform .3s cubic-bezier(.23,1,.32,1)!important;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%234f46e5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e")!important}.accordion-body{padding:24px 20px!important;animation:slideInUp .3s ease-out}.card{transition:all .3s cubic-bezier(.23,1,.32,1);border:1px solid rgba(74,144,217,.1);border-radius:16px}.card:hover{box-shadow:0 12px 28px rgba(74,144,217,.12);border-color:rgba(74,144,217,.2);transform:translateY(-2px)}.learning-outcome-item{animation:slideInUp .5s ease-out backwards}.learning-outcome-item:nth-child(1){animation-delay:.05s}.learning-outcome-item:nth-child(2){animation-delay:.1s}.learning-outcome-item:nth-child(3){animation-delay:.15s}.learning-outcome-item:nth-child(4){animation-delay:.2s}.learning-outcome-item:nth-child(5){animation-delay:.25s}.learning-outcome-item:nth-child(6){animation-delay:.3s}@media(max-width:768px){.empty-state-card{padding:32px 20px;min-height:180px}.empty-state-title{font-size:1.1rem}.empty-state-text{font-size:.9rem}.enrollment-section{flex-direction:column;align-items:stretch}.enrollment-section .btn{width:100%!important}}@media(max-width:576px){.empty-state-card{padding:24px 16px;min-height:160px}.empty-state-icon{margin-bottom:16px}.empty-state-title{font-size:1rem}.empty-state-text{font-size:.85rem;max-width:100%}.enrollment-section{gap:8px!important}}