.wpcf7 .screen-reader-response{position:absolute;overflow:hidden;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;width:1px;margin:-1px;padding:0;border:0;word-wrap:normal!important}.wpcf7 .hidden-fields-container{display:none}.wpcf7 form .wpcf7-response-output{margin:2em .5em 1em;padding:.2em 1em;border:2px solid #00a0d2}.wpcf7 form.init .wpcf7-response-output,.wpcf7 form.resetting .wpcf7-response-output,.wpcf7 form.submitting .wpcf7-response-output{display:none}.wpcf7 form.sent .wpcf7-response-output{border-color:#46b450}.wpcf7 form.failed .wpcf7-response-output,.wpcf7 form.aborted .wpcf7-response-output{border-color:#dc3232}.wpcf7 form.spam .wpcf7-response-output{border-color:#f56e28}.wpcf7 form.invalid .wpcf7-response-output,.wpcf7 form.unaccepted .wpcf7-response-output,.wpcf7 form.payment-required .wpcf7-response-output{border-color:#ffb900}.wpcf7-form-control-wrap{position:relative}.wpcf7-not-valid-tip{color:#dc3232;font-size:1em;font-weight:400;display:block}.use-floating-validation-tip .wpcf7-not-valid-tip{position:relative;top:-2ex;left:1em;z-index:100;border:1px solid #dc3232;background:#fff;padding:.2em .8em;width:24em}.wpcf7-list-item{display:inline-block;margin:0 0 0 1em}.wpcf7-list-item-label::before,.wpcf7-list-item-label::after{content:" "}.wpcf7-spinner{visibility:hidden;display:inline-block;background-color:#23282d;opacity:.75;width:24px;height:24px;border:none;border-radius:100%;padding:0;margin:0 24px;position:relative}form.submitting .wpcf7-spinner{visibility:visible}.wpcf7-spinner::before{content:'';position:absolute;background-color:#fbfbfc;top:4px;left:4px;width:6px;height:6px;border:none;border-radius:100%;transform-origin:8px 8px;animation-name:spin;animation-duration:1000ms;animation-timing-function:linear;animation-iteration-count:infinite}@media (prefers-reduced-motion:reduce){.wpcf7-spinner::before{animation-name:blink;animation-duration:2000ms}}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes blink{from{opacity:0}50%{opacity:1}to{opacity:0}}.wpcf7 [inert]{opacity:.5}.wpcf7 input[type="file"]{cursor:pointer}.wpcf7 input[type="file"]:disabled{cursor:default}.wpcf7 .wpcf7-submit:disabled{cursor:not-allowed}.wpcf7 input[type="url"],.wpcf7 input[type="email"],.wpcf7 input[type="tel"]{direction:ltr}.wpcf7-reflection>output{display:list-item;list-style:none}.wpcf7-reflection>output[hidden]{display:none}.ejss-lms-container{max-width:1200px;margin:0 auto;padding:20px}.ejss-lms-courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px;margin:30px 0}.ejss-lms-columns-2{grid-template-columns:repeat(2,1fr)}.ejss-lms-columns-3{grid-template-columns:repeat(3,1fr)}.ejss-lms-columns-4{grid-template-columns:repeat(4,1fr)}.ejss-lms-course-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgb(0 0 0 / .1);transition:all 0.3s ease;position:relative;display:flex;flex-direction:column;height:100%}.ejss-lms-course-card:hover{box-shadow:0 8px 24px rgb(0 0 0 / .15);transform:translateY(-5px)}.ejss-lms-course-thumbnail{position:relative;overflow:hidden;height:200px;background:#f0f0f0}.ejss-lms-course-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s ease}.ejss-lms-course-card:hover .ejss-lms-course-thumbnail img{transform:scale(1.1)}.ejss-lms-wishlist-icon{position:absolute;top:15px;right:15px;width:36px;height:36px;background:rgb(255 255 255 / .9);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s ease;z-index:2;border:none;font-size:18px}.ejss-lms-wishlist-icon:hover{background:#fff;transform:scale(1.1)}.ejss-lms-wishlist-icon.active{color:#ff6b6b}.ejss-lms-wishlist-icon .dashicons{font-size:18px;width:18px;height:18px}.ejss-lms-course-content{padding:20px;flex:1;display:flex;flex-direction:column}.ejss-lms-course-rating{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px}.ejss-lms-stars{color:#ffc107;font-size:16px;letter-spacing:1px;font-family:Arial,sans-serif;line-height:1}.ejss-lms-rating-value{font-weight:600;color:#333;font-size:14px}.ejss-lms-rating-count{color:#999;font-size:13px;margin-left:2px}.ejss-lms-course-title{margin:0 0 12px 0;font-size:18px;font-weight:600;line-height:1.4;min-height:54px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ejss-lms-course-title a{color:#333;text-decoration:none;transition:color 0.3s ease}.ejss-lms-course-title a:hover{color:#667eea}.ejss-lms-course-meta{margin-top:auto;padding-top:15px;border-top:1px solid #f0f0f0}.ejss-lms-course-author{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:#666}.ejss-lms-author-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid #f0f0f0}.ejss-lms-author-name{font-weight:500;color:#333;font-size:14px}.ejss-lms-author-categories{color:#999;font-weight:400;font-size:14px}.ejss-lms-course-categories{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:15px}.ejss-lms-category-badge{display:inline-block;padding:4px 12px;background:#f0f7ff;color:#667eea;border-radius:20px;font-size:12px;font-weight:500;text-decoration:none;transition:all 0.3s ease}.ejss-lms-category-badge:hover{background:#667eea;color:#fff}.ejss-lms-course-link,.ejss-lms-enroll-btn{display:block;width:100%;padding:12px 20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;text-align:center;text-decoration:none;border-radius:8px;font-weight:600;transition:all 0.3s ease;border:none;cursor:pointer;margin-top:10px}.ejss-lms-course-link:hover,.ejss-lms-enroll-btn:hover{background:linear-gradient(135deg,#5568d3 0%,#6a3f8f 100%);transform:translateY(-2px);box-shadow:0 4px 12px rgb(102 126 234 / .4);color:#fff}.ejss-lms-archive-header{text-align:center;padding:40px 20px;margin-bottom:40px}.ejss-lms-archive-header h1{font-size:42px;font-weight:700;margin-bottom:10px;color:#333}.ejss-lms-archive-header p{font-size:18px;color:#666;margin:0}.ejss-lms-subjects-filter{margin-bottom:40px}.ejss-lms-subjects-filter h2{font-size:28px;margin-bottom:20px;color:#333}.ejss-lms-subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}.ejss-lms-subject-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:25px;text-align:center;transition:all 0.3s ease}.ejss-lms-subject-card:hover{border-color:#667eea;transform:translateY(-5px);box-shadow:0 8px 20px rgb(102 126 234 / .3)}.ejss-lms-subject-title{margin:0 0 10px 0;font-size:20px}.ejss-lms-subject-title a{color:#333;text-decoration:none;font-weight:600}.ejss-lms-subject-title a:hover{color:#667eea}.ejss-lms-subject-count{display:block;color:#999;font-size:14px;margin-top:8px}.ejss-lms-single-course{padding:40px 0}.ejss-lms-course-header{margin-bottom:40px}.ejss-lms-course-featured-image{margin-bottom:30px;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgb(0 0 0 / .1)}.ejss-lms-course-featured-image img{width:100%;height:auto;display:block}.ejss-lms-course-title{font-size:42px;font-weight:700;margin:0 0 20px 0;color:#333;line-height:1.2}.ejss-lms-course-meta{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:30px;padding:20px;background:#f8f9fa;border-radius:8px}.ejss-lms-course-subject,.ejss-lms-course-difficulty,.ejss-lms-course-duration,.ejss-lms-course-instructor{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#fff;border-radius:6px;font-size:14px;color:#666;font-weight:500}.ejss-lms-course-difficulty{background:#e3f2fd;color:#1976d2}.ejss-lms-course-content{margin-bottom:40px;line-height:1.8;font-size:16px}.ejss-lms-course-content h2,.ejss-lms-course-content h3{margin-top:40px;margin-bottom:20px;color:#333}.ejss-lms-course-lessons{margin-top:50px;padding-top:40px;border-top:2px solid #f0f0f0}.ejss-lms-course-lessons h2{font-size:32px;margin-bottom:30px;color:#333;font-weight:700}.ejss-lms-lessons-list{display:flex;flex-direction:column;gap:15px}.ejss-lms-lesson-item-link{text-decoration:none;color:inherit;display:block;cursor:pointer}.ejss-lms-lesson-item{display:flex;gap:20px;background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:20px;transition:all 0.3s ease}.ejss-lms-lesson-item-link:hover .ejss-lms-lesson-item{box-shadow:0 4px 12px rgb(0 0 0 / .1);border-color:#667eea;transform:translateX(5px)}.ejss-lms-lesson-number{flex-shrink:0;width:50px;height:50px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.ejss-lms-lesson-content{flex:1}.ejss-lms-lesson-title{margin:0 0 10px 0;font-size:20px;color:#333;transition:color 0.3s ease;font-weight:600}.ejss-lms-lesson-item-link:hover .ejss-lms-lesson-title{color:#667eea}.ejss-lms-lesson-excerpt{color:#666;margin-bottom:10px;line-height:1.6;font-size:14px}.ejss-lms-lesson-meta{display:flex;flex-wrap:wrap;gap:15px;font-size:14px;color:#999}.ejss-lms-lesson-duration{display:inline-flex;align-items:center;gap:5px}.ejss-lms-single-lesson{padding:40px 0}.ejss-lms-breadcrumb{margin-bottom:20px;font-size:14px;display:flex;align-items:center;gap:8px}.ejss-lms-breadcrumb a{color:#667eea;text-decoration:none}.ejss-lms-breadcrumb a:hover{text-decoration:underline}.ejss-lms-separator{color:#999}.ejss-lms-lesson-header{margin-bottom:30px}.ejss-lms-lesson-featured-image{margin-bottom:20px;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgb(0 0 0 / .1)}.ejss-lms-lesson-featured-image img{width:100%;height:auto}.ejss-lms-lesson-title{font-size:36px;margin:0 0 20px 0;font-weight:700;color:#333}.ejss-lms-lesson-video{margin:30px 0;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgb(0 0 0 / .1)}.ejss-lms-lesson-video iframe{width:100%;height:500px}.ejss-lms-lesson-content{margin-bottom:40px;line-height:1.8;font-size:16px}.ejss-lms-lesson-navigation{display:flex;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:2px solid #f0f0f0;gap:20px}.ejss-lms-lesson-nav-prev,.ejss-lms-lesson-nav-next{padding:12px 24px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;text-decoration:none;border-radius:8px;font-weight:600;transition:all 0.3s ease}.ejss-lms-lesson-nav-prev:hover,.ejss-lms-lesson-nav-next:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgb(102 126 234 / .4);color:#fff}.ejss-lms-subject-archive{padding:40px 0}.ejss-lms-subject-header{margin-bottom:40px;text-align:center;padding:40px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-radius:12px;box-shadow:0 4px 12px rgb(102 126 234 / .3)}.ejss-lms-subject-header .ejss-lms-subject-title{font-size:42px;margin:0 0 15px 0;color:#fff}.ejss-lms-subject-header .ejss-lms-subject-description{font-size:18px;opacity:.95;margin:0;color:#fff}.ejss-lms-subcategories{margin-bottom:50px}.ejss-lms-subcategories h2{font-size:28px;margin-bottom:20px;color:#333;font-weight:700}.ejss-lms-subcategories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.ejss-lms-subcategory-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:25px;text-align:center;transition:all 0.3s ease}.ejss-lms-subcategory-card:hover{border-color:#667eea;transform:translateY(-5px);box-shadow:0 8px 20px rgb(102 126 234 / .3)}.ejss-lms-subcategory-card h3{margin:0 0 10px 0}.ejss-lms-subcategory-card h3 a{color:#333;text-decoration:none;font-weight:600}.ejss-lms-subcategory-card h3 a:hover{color:#667eea}.ejss-lms-subcategory-count{display:block;color:#999;font-size:14px}@media (max-width:992px){.ejss-lms-columns-3,.ejss-lms-columns-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.ejss-lms-columns-2,.ejss-lms-columns-3,.ejss-lms-columns-4{grid-template-columns:1fr}.ejss-lms-course-title,.ejss-lms-lesson-title,.ejss-lms-subject-title{font-size:28px}.ejss-lms-lesson-navigation{flex-direction:column}.ejss-lms-archive-header h1{font-size:32px}}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Roboto','Oxygen','Ubuntu','Cantarell','Fira Sans','Droid Sans','Helvetica Neue',sans-serif;line-height:1.6;color:#333;background-color:#fff}img{max-width:100%;height:auto;display:block}a{color:#48B699;text-decoration:none;transition:color 0.3s ease}a:hover{color:#3a9580}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:1rem;color:#2C3E50}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:1rem}.container{max-width:1200px;margin:0 auto;padding:0 20px}.container-wide{max-width:1400px;margin:0 auto;padding:0 20px}.section{padding:60px 0}.section-light{background-color:#F9F9F9}.site-header{background-color:#fff;box-shadow:0 2px 4px rgb(0 0 0 / .1);position:sticky;top:0;z-index:1000}.header-main{display:flex;align-items:center;justify-content:space-between;padding:15px 0}.site-logo{font-size:1.5rem;font-weight:700;color:#2C3E50}.site-logo a{color:#2C3E50}.site-logo a:hover{color:#48B699}.header-search{flex:1;max-width:500px;margin:0 30px}.search-form{position:relative;display:flex}.search-form input[type="search"]{width:100%;padding:12px 20px;border:2px solid #e0e0e0;border-radius:25px;font-size:.95rem;transition:border-color 0.3s ease}.search-form input[type="search"]:focus{outline:none;border-color:#48B699}.search-form button{position:absolute;right:5px;top:50%;transform:translateY(-50%);background:#48B699;border:none;padding:8px 20px;border-radius:20px;color:#fff;cursor:pointer;transition:background 0.3s ease}.search-form button:hover{background:#3a9580}.main-navigation{display:flex;align-items:center;gap:20px}.main-navigation ul{list-style:none;display:flex;gap:20px;margin:0}.main-navigation a{color:#2C3E50;font-weight:500;padding:8px 15px;border-radius:5px;transition:all 0.3s ease}.main-navigation a:hover{background-color:#F9F9F9;color:#48B699}.mobile-menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#2C3E50}.btn{display:inline-block;padding:12px 30px;border-radius:8px;font-weight:600;text-align:center;cursor:pointer;transition:all 0.3s ease;border:none;font-size:1rem}.btn-primary{background-color:#48B699;color:#fff}.btn-primary:hover{background-color:#3a9580;color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px rgb(72 182 153 / .3)}.btn-large{padding:15px 40px;font-size:1.1rem}.btn-outline{background-color:#fff0;border:2px solid #48B699;color:#48B699}.btn-outline:hover{background-color:#48B699;color:#fff}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:30px;margin-top:30px}.course-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgb(0 0 0 / .1);transition:all 0.3s ease;cursor:pointer}.course-card:hover{transform:translateY(-5px);box-shadow:0 8px 16px rgb(0 0 0 / .15)}.course-card-thumbnail{position:relative;padding-top:140%;background-color:#f0f0f0;overflow:hidden}.course-card-thumbnail img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.course-card-content{padding:20px}.course-card-title{font-size:1.1rem;font-weight:600;margin-bottom:10px;color:#2C3E50;line-height:1.4}.course-card-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#666}.course-card-meta span{display:flex;align-items:center;gap:5px}.course-badge{display:inline-block;padding:4px 10px;background-color:#48B699;color:#fff;border-radius:12px;font-size:.75rem;font-weight:600;margin-top:10px}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;margin-top:30px}.subject-card{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:40px 20px;border-radius:10px;text-align:center;transition:all 0.3s ease;cursor:pointer}.subject-card:hover{transform:translateY(-5px);box-shadow:0 8px 16px rgb(0 0 0 / .2)}.subject-card h3{color:#fff;margin-bottom:10px}.subject-card .course-count{font-size:.9rem;opacity:.9}.subject-card.math{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.subject-card.science{background:linear-gradient(135deg,#48B699 0%,#2C7A7B 100%)}.subject-card.social-studies{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%)}.subject-card.english{background:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%)}.hero{background:linear-gradient(135deg,#2C3E50 0%,#34495E 100%);color:#fff;padding:80px 0;text-align:center}.hero h1{color:#fff;font-size:3rem;margin-bottom:20px}.hero p{font-size:1.2rem;max-width:700px;margin:0 auto 30px;opacity:.9}.course-hero{background:linear-gradient(135deg,#2C3E50 0%,#34495E 100%);color:#fff;padding:60px 0}.course-hero-content{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}.course-hero-thumbnail{border-radius:10px;overflow:hidden;box-shadow:0 8px 24px rgb(0 0 0 / .3);max-height:350px}.course-hero-thumbnail img{width:100%;height:100%;object-fit:cover}.ejss-lms-course-featured-image{max-height:300px;overflow:hidden;border-radius:10px;margin-bottom:20px}.ejss-lms-course-featured-image img{width:100%;height:100%;max-height:300px;object-fit:cover}.course-hero-info h1{color:#fff;margin-bottom:15px}.course-hero-info p{color:rgb(255 255 255 / .9);margin-bottom:20px}.course-meta-list{list-style:none;margin:20px 0}.course-meta-list li{padding:8px 0;color:rgb(255 255 255 / .9)}.course-meta-list strong{color:#fff}.lessons-section{background:#fff;padding:40px 0}.lesson-accordion{max-width:900px;margin:0 auto}.lesson-unit{margin-bottom:15px;border:1px solid #e0e0e0;border-radius:8px;overflow:hidden}.lesson-unit-header{background:#F9F9F9;padding:20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background 0.3s ease}.lesson-unit-header:hover{background:#f0f0f0}.lesson-unit-header h3{margin:0;font-size:1.2rem}.lesson-unit-toggle{font-size:1.5rem;color:#666;transition:transform 0.3s ease}.lesson-unit.active .lesson-unit-toggle{transform:rotate(180deg)}.lesson-list{list-style:none;display:none;padding:20px;background:#fff}.lesson-unit.active .lesson-list{display:block}.lesson-list li{padding:12px 0;border-bottom:1px solid #f0f0f0}.lesson-list li:last-child{border-bottom:none}.lesson-list a{display:flex;align-items:center;gap:10px;color:#2C3E50;font-weight:500}.lesson-list a:hover{color:#48B699}.lesson-number{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;background:#F9F9F9;border-radius:50%;font-size:.85rem;color:#666}.site-footer{background:#2C3E50;color:rgb(255 255 255 / .8);padding:40px 0 20px;margin-top:60px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin-bottom:30px}.footer-widget h3{color:#fff;margin-bottom:15px}.footer-widget ul{list-style:none}.footer-widget ul li{margin-bottom:8px}.footer-widget a{color:rgb(255 255 255 / .8)}.footer-widget a:hover{color:#48B699}.footer-bottom{border-top:1px solid rgb(255 255 255 / .1);padding-top:20px;text-align:center;font-size:.9rem}.breadcrumbs{padding:15px 0;font-size:.9rem;color:#666}.breadcrumbs a{color:#48B699}.breadcrumbs span{margin:0 8px}@media (max-width:768px){.header-main{flex-wrap:wrap}.header-search{order:3;width:100%;max-width:100%;margin:15px 0 0 0}.mobile-menu-toggle{display:block}.main-navigation{display:none;width:100%;order:4}.main-navigation.active{display:flex;flex-direction:column;align-items:stretch}.main-navigation ul{flex-direction:column;width:100%}.course-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}.course-hero-content{grid-template-columns:1fr;text-align:center}.course-hero-thumbnail{max-width:300px;margin:0 auto}.hero h1{font-size:2rem}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}}@media (max-width:480px){.course-grid{grid-template-columns:1fr}.subject-grid{grid-template-columns:1fr}}.pagination{display:flex;justify-content:center;gap:10px;margin-top:40px;list-style:none}.pagination .page-numbers{padding:10px 15px;background:#fff;border:2px solid #e0e0e0;border-radius:5px;color:#2C3E50;transition:all 0.3s ease}.pagination .page-numbers:hover,.pagination .page-numbers.current{background:#48B699;border-color:#48B699;color:#fff}.archive-header{margin-bottom:30px;padding-bottom:20px;border-bottom:2px solid #e0e0e0}.archive-header h1{margin-bottom:10px}.archive-description{color:#666}.course-filters select{padding:10px 15px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;background:#fff;cursor:pointer;transition:border-color 0.3s ease}.course-filters select:focus{outline:none;border-color:#48B699}.lesson-list a{transition:background 0.3s ease;padding:10px;border-radius:5px}.lesson-list a:hover{background:#F9F9F9}.lesson-title{flex:1}.lesson-video iframe,.lesson-video video{width:100%;max-width:100%;aspect-ratio:16/9;border-radius:10px}@media (max-width:768px){.lesson-navigation{flex-direction:column!important;gap:15px}.lesson-navigation>div{width:100%}.lesson-navigation .btn{width:100%}}.subject-hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.subject-hero.science{background:linear-gradient(135deg,#48B699 0%,#2C7A7B 100%)}.subject-hero.social-studies{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%)}.subject-hero.english{background:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%)}html{scroll-behavior:smooth}a:focus,button:focus,input:focus,select:focus{outline:2px solid #48B699;outline-offset:2px}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.course-card,.subject-card{animation:fadeIn 0.5s ease-out}@media print{.site-header,.site-footer,.lesson-navigation,.btn{display:none}}