:root{--dark-bg:#0a0a0a;--darker-bg:#050505;--main-text:#e0e0e0;--accent-green:#00ff41;--accent-blue:#3aaddf;--accent-orange:#e06c11;--glow-shadow:0 0 10px rgba(0, 255, 65, 0.7);--terminal-font:'Fira Code', 'Courier New', monospace;--content-font:'Rajdhani', 'Segoe UI', sans-serif;--Shabnam:'Shabnam', sans-serif;--Vazir:'Vazir', sans-serif;--Consolas:'Consolas', 'Courier New', monospace}.courses-section{padding:100px 0;position:relative}.courses-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(circle at 20% 30%,rgb(0 255 65 / .05) 0%,transparent 15%),radial-gradient(circle at 80% 70%,rgb(0 119 255 / .05) 0%,transparent 15%);animation:pulse-opacity 8s infinite alternate;z-index:-1}.courses-section::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(0deg,transparent,transparent 1px,rgb(0 255 65 / .02) 2px,rgb(0 255 65 / .02) 3px),repeating-linear-gradient(90deg,transparent,transparent 1px,rgb(0 119 255 / .02) 2px,rgb(0 119 255 / .02) 3px);opacity:.5;pointer-events:none;animation:scan 20s linear infinite;z-index:-1}.courses-layout{display:flex;gap:30px;margin-top:40px}.courses-sidebar{width:300px;flex-shrink:0}.courses-main-content{flex-grow:1}.sidebar-widget{background:linear-gradient(145deg,rgb(15 15 15 / .6),rgb(10 10 10 / .8));border:1px solid rgb(0 255 65 / .2);border-radius:10px;padding:20px;margin-bottom:30px;box-shadow:0 5px 15px rgb(0 0 0 / .2)}.sidebar-widget-title{color:var(--accent-green);font-family:var(--Vazir);font-size:1.3rem;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #e06c11;display:flex;align-items:center}.sidebar-widget-title i{margin-left:10px;font-size:1.1rem;color:var(--accent-orange)}.categories-list{list-style:none;padding:0;margin:0}.category-item{margin-bottom:10px}.category-item-header{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background-color:rgb(0 255 65 / .1);border-radius:5px;cursor:pointer;transition:all 0.3s ease}.category-item-header:hover{background-color:rgb(0 255 65 / .2)}.category-name{color:var(--main-text);font-family:var(--Shabnam);font-size:1rem;display:flex;align-items:center}.category-name i{margin-left:8px;color:var(--accent-green)}.category-count{background-color:rgb(0 255 65 / .2);color:var(--accent-green);font-family:var(--terminal-font);font-size:.8rem;padding:2px 8px;border-radius:10px}.category-dropdown{max-height:0;overflow:hidden;transition:max-height 0.3s ease;padding-right:20px}.category-item.active .category-dropdown{max-height:500px;margin-top:10px}.category-item.active .category-toggle i{transform:rotate(180deg)}.category-toggle i{transition:transform 0.3s ease}.course-link{display:block;padding:5px 0;color:var(--main-text);font-family:var(--Shabnam);font-size:.9rem;text-decoration:none;transition:all 0.3s ease;position:relative;padding-right:15px}.course-link::before{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);width:5px;height:5px;background-color:var(--accent-green);border-radius:50%}.course-link:hover{color:var(--accent-green);transform:translateX(-5px)}.sidebar-search{position:relative;margin-bottom:15px}.sidebar-search-input{width:100%;background-color:rgb(255 255 255 / .05);border:1px solid rgb(0 255 65 / .3);border-radius:5px;padding:10px 15px;color:var(--main-text);font-family:var(--Shabnam);font-size:.95rem;transition:all 0.3s ease}.sidebar-search-input:focus{outline:none;border-color:var(--accent-green);box-shadow:0 0 10px rgb(0 255 65 / .3)}.sidebar-search-input::placeholder{color:rgb(224 224 224 / .5)}.sidebar-search-btn{position:absolute;left:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--accent-green);cursor:pointer;font-size:1rem;transition:all 0.3s ease}.sidebar-search i{color:var(--accent-green)}.sidebar-search i:hover{transform:scaleY(125%) scaleX(125%);color:var(--accent-orange)}.sidebar-search-btn:hover{color:#0c3}.filter-options{list-style:none;padding:0;margin:0}.filter-option{padding:8px 12px;margin-bottom:5px;background-color:rgb(0 255 65 / .1);border-radius:5px;cursor:pointer;transition:all 0.3s ease;display:flex;justify-content:space-between;align-items:center}.filter-option:hover{background-color:rgb(0 255 65 / .2)}.filter-option.active{background-color:var(--accent-green)}.filter-option.active .filter-name{color:var(--darker-bg)}.filter-option.active .filter-count{background-color:rgb(0 0 0 / .2);color:var(--darker-bg)}.filter-name{color:var(--main-text);font-family:var(--Shabnam);font-size:.95rem;display:flex;align-items:center}.filter-name i{margin-left:8px;color:var(--accent-green)}.filter-option.active .filter-name i{color:var(--darker-bg)}.filter-count{background-color:rgb(0 255 65 / .2);color:var(--accent-green);font-family:var(--terminal-font);font-size:.8rem;padding:2px 8px;border-radius:10px}.price-range{margin-top:15px}.price-options{display:flex;flex-direction:column;gap:10px}.price-option{display:flex;align-items:center}.price-checkbox{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1px solid rgb(0 255 65 / .5);border-radius:3px;margin-left:10px;position:relative;cursor:pointer;background-color:rgb(0 0 0 / .2)}.price-checkbox:checked{background-color:var(--accent-green)}.price-checkbox:checked::after{content:'✓';position:absolute;color:var(--darker-bg);font-size:12px;top:50%;left:50%;transform:translate(-50%,-50%)}.price-label{color:var(--main-text);font-family:var(--Shabnam);font-size:.95rem;cursor:pointer}.level-options{display:flex;flex-direction:column;gap:10px}.level-option{display:flex;align-items:center}.level-checkbox{appearance:none;-webkit-appearance:none;width:18px;height:18px;border:1px solid rgb(0 255 65 / .5);border-radius:3px;margin-left:10px;position:relative;cursor:pointer;background-color:rgb(0 0 0 / .2)}.level-checkbox:checked{background-color:var(--accent-green)}.level-checkbox:checked::after{content:'✓';position:absolute;color:var(--darker-bg);font-size:12px;top:50%;left:50%;transform:translate(-50%,-50%)}.level-label{color:var(--main-text);font-family:var(--Shabnam);font-size:.95rem;cursor:pointer}.course-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.filter-btn{background-color:rgb(0 255 65 / .1);border:1px solid rgb(0 255 65 / .3);color:var(--main-text);padding:8px 15px;border-radius:5px;cursor:pointer;transition:all 0.3s ease;font-size:.95rem}.filter-btn:hover{background-color:rgb(0 255 65 / .2)}.filter-btn.active{background-color:var(--accent-green);color:var(--darker-bg)}.courses-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px}.course-card{background:linear-gradient(145deg,rgb(15 15 15 / .6),rgb(10 10 10 / .8));border:1px solid rgb(0 255 65 / .2);border-radius:10px;overflow:hidden;transition:transform 0.3s ease,box-shadow 0.3s ease;height:100%;display:flex;flex-direction:column}.course-card:hover{transform:translateY(-10px);box-shadow:0 10px 20px rgb(0 255 65 / .1)}.course-image{position:relative;height:200px;overflow:hidden}.course-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}.course-card:hover .course-image img{transform:scale(1.1)}.course-badge{position:absolute;top:15px;right:15px;background-color:var(--accent-green);color:var(--darker-bg);font-size:.8rem;font-weight:600;padding:5px 10px;border-radius:5px;z-index:1}.course-badge.premium{background-color:var(--accent-orange)}.course-content{padding:25px;flex-grow:1;display:flex;flex-direction:column}.course-content h3{font-size:1.5rem;color:var(--accent-green);margin-bottom:10px}.course-content p{color:var(--main-text);margin-bottom:20px;font-size:.95rem;line-height:1.6;flex-grow:1}.course-meta{display:flex;justify-content:space-between;margin-bottom:20px}.course-meta-item{display:flex;align-items:center;color:var(--main-text);font-size:.9rem}.course-meta-item i{color:var(--accent-green);margin-left:5px}.course-actions{display:flex;gap:10px}.course-btn{flex:1;display:inline-block;padding:10px;background-color:rgb(0 255 65 / .1);border:1px solid var(--accent-green);border-radius:5px;color:var(--accent-green);font-size:.9rem;text-align:center;text-decoration:none;transition:all 0.3s ease}.course-btn:hover{background-color:var(--accent-green);color:var(--darker-bg)}.course-btn.youtube{background-color:rgb(255 0 0 / .1);border-color:red;color:red}.course-btn.youtube:hover{background-color:red;color:#fff}.search-filter-container{margin-bottom:40px;background:linear-gradient(145deg,rgb(15 15 15 / .6),rgb(10 10 10 / .8));border:1px solid rgb(0 255 65 / .2);border-radius:10px;padding:25px;box-shadow:0 5px 15px rgb(0 0 0 / .2)}.search-bar{display:flex;margin-bottom:20px;position:relative}.search-input{flex:1;background-color:rgb(255 255 255 / .05);border:1px solid rgb(0 255 65 / .3);border-radius:5px;padding:12px 15px;color:var(--main-text);font-family:var(--Shabnam);font-size:1rem;transition:all 0.3s ease}.search-input:focus{outline:none;border-color:var(--accent-green);box-shadow:0 0 10px rgb(0 255 65 / .3)}.search-input::placeholder{color:rgb(224 224 224 / .5)}.search-btn{background-color:var(--accent-green);color:var(--darker-bg);border:none;border-radius:5px;padding:0 20px;margin-right:10px;cursor:pointer;font-family:var(--Shabnam);font-weight:700;transition:all 0.3s ease}.search-btn:hover{background-color:#0c3;transform:translateY(-2px) scaleX(110%) scaleY(110%);box-shadow:0 5px 15px #e06c11}.active-filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.filter-tag{background-color:rgb(0 255 65 / .1);border:1px solid var(--accent-green);border-radius:20px;padding:5px 15px;font-family:var(--Shabnam);font-size:.9rem;color:var(--main-text);display:flex;align-items:center;transition:all 0.3s ease}.filter-tag:hover{background-color:rgb(0 255 65 / .2)}.filter-tag .remove-tag{margin-right:8px;cursor:pointer;font-size:.8rem}@media (max-width:1200px){.courses-container{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}@media (max-width:992px){.courses-layout{flex-direction:column}.courses-sidebar{width:100%;margin-bottom:30px}}@media (max-width:768px){.course-filters{flex-direction:column;align-items:stretch}.courses-container{grid-template-columns:1fr}.course-meta{flex-direction:column;gap:10px;align-items:flex-start}}.font-title-course{font-family:var(--Vazir);font-weight:700}.font-description-course{font-family:var(--Shabnam)}.font-button-course{font-family:var(--Shabnam);font-weight:700}.font-badges{font-family:var(--Shabnam);font-size:.9rem}.reset-btn{background-color:#f44336;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;margin-right:8px;transition:background-color 0.3s}.reset-btn:hover{background-color:#d32f2f}@keyframes pulse-opacity{0%,100%{opacity:.8}50%{opacity:1}}@keyframes scan{from{background-position:0 0}to{background-position:0 100px}}