.kmheading{font-size:20px;color:#26b59d;margin-bottom:25px}.question{border:solid 1px #a8d7c4;border-radius:20px;margin-bottom:25px}.explanation-btn-row{justify-content:flex-end;padding-bottom:10px}.explanation-tabs{display:flex;gap:6px;border-bottom:2px solid var(--lgray-color);margin-bottom:0;list-style:none;padding:0;flex-wrap:wrap}.explanation-tabs .nav-item{margin-bottom:-2px}.explanation-tabs .nav-link{border:none;background:transparent;color:var(--text-light);font-weight:600;padding:10px 18px;border-radius:8px 8px 0 0;cursor:pointer;transition:color 0.2s ease,background-color 0.2s ease;border-bottom:3px solid transparent}.explanation-tabs .nav-link:hover{color:var(--sprimary-color);background-color:var(--bg-light)}.explanation-tabs .nav-link.active{color:var(--sprimary-color);border-bottom:3px solid var(--sprimary-color);background-color:var(--bg-light)}.explanation-pane-body{padding:18px 4px;color:var(--text-dark)}.explanation-pane-body p{margin:0;line-height:1.8}.explanation-pane-body img{border-radius:8px;border:1px solid var(--lgray-color)}.explanation-pane-body video{border-radius:8px;background:var(--dark-color)}.question_title{background:#f3f3f3;border-radius:20px 20px 0 0;display:flex;justify-content:space-between;padding:15px 30px;font-weight:bold;font-size:20px}.question ul{padding:0px}.question ul li{list-style:none;border-bottom:solid 1px #a8d7c4;padding:15px 30px 15px 15px;display:flex;justify-content:space-between}.question ul li:last-child{border-bottom:0px}.question ul li label{display:flex;gap:10px;align-items:center;font-size:20px;color:#515151;flex:1}.custom-radio{display:inline-flex;align-items:center;cursor:pointer}.custom-radio input{display:none}.radio-box{width:22px;height:22px;border:2px solid #ff7a18;border-radius:50%;position:relative}.radio-box::after{content:'';position:absolute;width:15px;height:15px;background-color:#26b59d;border-radius:50%;left:2px;top:2px;opacity:0;transition:opacity 0.2s ease}.custom-radio input:checked+.radio-box::after{opacity:1}.buttons_result{display:flex;margin-bottom:30px}.view_lesson{text-decoration:none;display:flex;gap:6px;margin:0}.view_lesson i{margin-top:5px}.blank-select{margin:10px 30px 10px 15px;width:95%;padding:10px 12px 10px 40px;border:1px solid #cecece;border-radius:6px;font-size:14px;background-color:#fff;cursor:pointer;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:url( data:image/svg+xml;utf8,<svgfill='%23ff7a18'height='20'viewBox='0 0 24 24'width='20'xmlns='http://www.w3.org/2000/svg'><pathd='M7 10l5 5 5-5z'/></svg>);background-repeat:no-repeat;background-position:left 12px center;background-size:16px}.blank-selecthover{border-color:#ff7a18;border:1px solid #cecece}.blank-selectfocus{outline:none;border-color:#ff7a18;box-shadow:0 0 0 2px rgba(255,122,24,0.15);border:1px solid #cecece}.wrong,.right,.correct{flex-direction:row-reverse}.correct{border:solid 3px #1bae98;border-bottom:solid 3px #1bae98 !important}.wrong{border:solid 3px #ef7e22;border-bottom:solid 3px #ef7e22 !important}.right{border:dashed 3px #1bae98;border-bottom:dashed 3px #1bae98 !important}.correct-answer{color:#1bae98;font-size:30px;font-weight:bold}.wrong-answer{color:#ef7e22;font-size:30px;font-weight:bold}.right-answer{color:#1bae98;font-size:30px;font-weight:bold}.unanswered{border:solid 2px #ef7e22;position:relative}.unanswered-message{position:absolute;left:12%;top:15px;font-size:20px;color:#ff0000;transform:translateX(-50%)}.result-section{margin:40px 0;padding:0}.result-card{background:linear-gradient( to right,rgba(233,245,239,0.6) 0%,#eff7f1 50%,#effaf3 100% );border-radius:24px;padding:40px;display:flex;align-items:center;gap:40px;box-shadow:0 8px 24px rgba(0,0,0,0.08);border:2px solid rgba(76,175,80,0.1);margin:0 auto;flex-direction:row-reverse}.result-trophy{flex-shrink:0}.trophy-img{max-width:220px;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(0,0,0,0.1))}.result-content{flex:1;text-align:center}.result-percent{font-size:130px;font-weight:bold;color:#54d5a1;line-height:1;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,0.05)}.result-score{font-size:50px;font-weight:bold;color:#54d5a1;margin-bottom:20px}.result-message{font-size:40px;color:#3e5451;direction:rtl;font-weight:bold}.unanswered-message i{font-size:20px}.blank-options{position:relative}.blank-options span{position:absolute;left:40px;top:11px}.blank-options span.right-answer{font-size:16px;position:absolute;left:15%;top:20px}.btn-orange{width:max-content}.view_lesson{display:none}.question_image{padding:20px}.question_image img{max-width:50%}.circle{display:inline-block;width:15px;height:15px;border-radius:50%;border:solid 1px black;margin:0 4px}.question_title{background:#f3f3f3;border-radius:20px 20px 0 0;display:grid;grid-template-columns:1fr 150px 165px;align-items:center;gap:5px;padding:15px 30px;font-weight:bold;font-size:20px}.question_title .view_lesson{white-space:nowrap;justify-self:end}.video-modal{display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.7)}.video-modal-content{position:relative;width:80%;max-width:700px;margin:8% auto;background:#000;padding:10px;border-radius:6px}.video-close{position:absolute;right:10px;top:5px;color:#fff;font-size:26px;cursor:pointer}.video-close-btn{position:absolute;top:-12px;right:-12px;width:35px;height:35px;border-radius:50%;border:none;background:#ff4d4d;color:#fff;font-size:20px;cursor:pointer;line-height:35px;text-align:center;z-index:9}.video-close-btn:hover{background:#e60000}.videopoup{max-width:max-content}.result-trophy img{max-width:300px}.askquestion{display:none}.shape{display:inline-block;width:18px;height:18px;border:2px solid #000;vertical-align:middle;margin:0 4px}.shape.circle{border-radius:50%}.shape.square{}.shape.rectangle{width:26px}.shape.triangle{display:inline-block;width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;border-bottom:24px solid black;border-top:0;vertical-align:middle}.shape.triangle::after{content:'';position:absolute;left:-12px;top:0;width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;border-bottom:24px solid black}.math-symbol{font-size:18px;font-weight:bold;margin:0 4px}.math-container.sqrt{display:inline-flex;align-items:flex-start;vertical-align:middle;white-space:nowrap;flex-direction:row-reverse}.sqrt-symbol{line-height:1;margin-right:1px;transform:rotateY(180deg);margin-top:0px}.sqrt-content{display:inline-block;border-top:2px solid #000;padding:2px 4px 0 4px;min-width:10px}.shape{display:inline-block;width:18px;height:18px;border:2px solid #000;vertical-align:middle;margin:0 4px}.shape.circle{border-radius:50%}.shape.square{}.shape.rectangle{width:26px}.shape.triangle{display:inline-block;width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;border-bottom:24px solid transparent;border-bottom-color:transparent;position:relative}.shape.triangle::after{content:'';position:absolute;left:-12px;top:0;width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;border-bottom:24px solid black}.math-symbol{font-size:18px;font-weight:bold;margin:0 4px}span.math-container.mixR{direction:ltr}