.practice-card{margin-bottom:48px;background:var(--card-bg,#fff);border-radius:var(--cardRadius,10px);overflow:hidden;box-shadow:var(--elevationShadow2,0 2px 8px #00000021)}[data-theme=dark] .practice-card{background:#212020;box-shadow:0 1px 3px #04040466}.practice-card-head{min-height:45px;display:flex;align-items:center;justify-content:space-between;padding:12px var(--learningCardXPadd,16px);border-bottom:1px solid var(--borderColor,#e5e7eb)}[data-theme=dark] .practice-card-head{border-bottom-color:#383838}.practice-card-title{display:flex;align-items:center;gap:8px;color:var(--txtHeadingColor,#111);font-size:17px;padding-bottom:0;margin:0}[data-theme=dark] .practice-card-title{color:#efefef}.practice-card-title svg{color:var(--txtBrandColor,#635bff)}[data-theme=dark] .practice-card-title svg{color:#8781f7}.practice-card-body{position:relative;font-size:16px;padding:16px var(--learningCardXPadd,16px) var(--learningCardBPadd,20px);color:var(--txtHeadingColor,#111);background:var(--card-bg,#fff)}[data-theme=dark] .practice-card-body{color:#e3e3e3;background:#212020}.practice-card-body hr{border-color:var(--txtGreyColor,#999)!important}.practice-card-body mark{color:inherit;padding:0;background:none}.practice-content{color:var(--txtHeadingColor,#111)}[data-theme=dark] .practice-content{color:#e3e3e3}.question-pills-container{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-size:13px;padding-top:16px}.question-pills-container:empty{display:none}.level-badge{display:inline-block;font-size:13px;font-weight:500;padding:2px 10px;text-transform:capitalize;color:#fff;background:#5695fe;border-radius:25px}[data-theme=dark] .level-badge{color:#111}@supports (-webkit-hyphens:none){.level-badge{font-weight:520}}.practice-options{margin-bottom:16px}.practice-option-label{align-items:center;padding:12px 16px;background:#fff;border:2px solid var(--borderColor,#e5e7eb);border-radius:8px;transition:all .2s;position:relative}[data-theme=dark] .practice-option-label{color:#ccc;background:#212020;border-color:#383838}.practice-option-label:not(.correct):not(.incorrect):hover{background:#f8f9fa;border-color:var(--txtBrandColor,#635bff)}[data-theme=dark] .practice-option-label:not(.correct):not(.incorrect):hover{background:#2c2c2c;border-color:#8781f7}.practice-option-label.selected{background:rgba(99,91,255,.05);border-color:var(--txtBrandColor,#635bff)}[data-theme=dark] .practice-option-label.selected{background:rgba(135,129,247,.1);border-color:#8781f7}.practice-option-label.correct{background:#4caf50!important;border-color:#4caf50!important;color:#fff!important;font-weight:500;cursor:default}[data-theme=dark] .practice-option-label.correct{background:#3a7842!important;border-color:#3a7842!important;color:#fff!important}.practice-option-label.incorrect{background:#f44336!important;border-color:#f44336!important;color:#fff!important;font-weight:500;cursor:default}[data-theme=dark] .practice-option-label.incorrect{background:#ac4139!important;border-color:#ac4139!important;color:#fff!important}.practice-navigation{display:flex;align-items:center;justify-content:space-between;margin-top:24px;gap:16px}.practice-question-toggles-wrapper{display:none}@media (min-width:576px){.practice-question-toggles-wrapper{display:flex;gap:8px}}.practice-question-toggle-btn{display:flex;align-items:center;justify-content:center;width:35px;height:35px;padding:4px;font-size:14px;font-weight:500;color:#4d4d4d;background:#fff;border:1px solid var(--borderColor,#e5e7eb);border-radius:var(--buttonRadius,8px);cursor:pointer;transition:all .2s}[data-theme=dark] .practice-question-toggle-btn{color:#ccc;background:#212020;border-color:#383838}.practice-question-toggle-btn:hover{background:#f8f9fa}[data-theme=dark] .practice-question-toggle-btn:hover{background:#2c2c2c}.practice-question-toggle-btn.active{border-bottom:3px solid var(--bgBtnColor,#635bff);transition:border-bottom .15s ease-in-out}[data-theme=dark] .practice-question-toggle-btn.active{border-bottom-color:#6366f1}[data-theme=dark] .practice-question-toggle-btn.solved{background:var(--pastelGreenDarkBg,#1e3a23);border-color:#3a7842}.pb-3,.py-3{padding-bottom:12px}.py-3{padding-top:12px}.text-pre-wrap{white-space:pre-wrap}.me-3{margin-right:12px}@media (min-width:768px){.me-md-3{margin-right:12px}}.txt-theme-brand{color:var(--txtBrandColor,#635bff)}[data-theme=dark] .txt-theme-brand{color:#8781f7}.txt-dark-grey-color{color:var(--txtGreyColor,#999)}.dbd-txt-theme-intense{color:var(--txtHeadingColor,#111)}[data-theme=dark] .dbd-txt-theme-intense{color:#e3e3e3}@media (min-width:481px){.practice-card-body{padding:20px var(--learningCardXPadd,20px) var(--learningCardBPadd,24px)}}@media (min-width:992px){.practice-card-title{font-size:18px}}@media (min-width:1200px){.practice-card-body{padding:20px var(--learningCardXPadd,24px) var(--learningCardBPadd,24px)}}.practice-content{overflow-x:auto}.practice-content p{margin-top:unset!important}.practice-content table{margin:16px 0;width:-moz-fit-content;width:fit-content;min-width:300px;border-collapse:collapse;line-height:1.5;border:1px solid grey}.practice-content th{font-weight:600;white-space:pre-wrap}.practice-content td,.practice-content th{padding:5px 15px;text-align:center;color:#000;border:1px solid grey}.practice-content td{vertical-align:middle}.practice-content td:first-child{white-space:pre-wrap}.practice-content caption{caption-side:top;color:#000;font-weight:600;text-align:center;margin-bottom:6px}@media (max-width:768px){.practice-content table{min-width:100%;font-size:14px}.practice-content td,.practice-content th{padding:8px 12px}}.practice-options{display:flex;flex-direction:column;gap:12px;margin-top:12px}.practice-option-label{display:flex;align-items:flex-start;gap:8px;padding:12px 14px;border-radius:10px;border:1px solid #e5e7eb;background-color:#fff;font-size:15px;line-height:1.5;color:var(--bs-gray-dark);cursor:pointer;transition:all .2s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none}.practice-option-label:hover{background-color:#f9fafb;border-color:#d1d5db}.practice-option-label.selected{border-color:#2563eb;background-color:#eff6ff}.practice-option-label.correct{background-color:#16a34a;border-color:#16a34a;color:#fff}.practice-option-label.incorrect{background-color:#dc2626;border-color:#dc2626;color:#fff}.practice-option-label.correct:hover,.practice-option-label.incorrect:hover{background-color:inherit}.practice-option-label svg{flex-shrink:0;margin-top:2px}.practice-option-label span{display:block;word-break:break-word;font-size:16px}.dark .practice-option-label{background-color:#020617;border-color:#1e293b;color:#e5e7eb}.dark .practice-option-label:hover{background-color:#020617;border-color:#334155}.dark .practice-option-label.selected{background-color:rgba(37,99,235,.15);border-color:#2563eb}.dark .practice-option-label.correct{background-color:#16a34a;border-color:#16a34a;color:#fff}.dark .practice-option-label.incorrect{background-color:#dc2626;border-color:#dc2626;color:#fff}@media (max-width:640px){.practice-option-label{font-size:14px;padding:10px 12px}}.practice-helper-btns-wrapper{display:flex;align-items:center;gap:12px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.practice-helper-btns-wrapper::-webkit-scrollbar{display:none}.practice-helper-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:#fff;border:1px solid #e5e7eb;border-radius:8px;cursor:pointer;white-space:nowrap;transition:all .2s ease;min-height:40px;box-shadow:0 1px 2px rgba(0,0,0,.05)}.practice-helper-btn:hover{background-color:#f9fafb}.helper-label{font-size:14px;font-weight:500;color:var(--bs-gray-dark)}.icon-wrapper{display:flex;align-items:center;justify-content:center;font-size:16px}.green-icon{color:#10b981}.yellow-icon{color:#f59e0b}.red-icon{color:#ef4444}.report-icon{color:#6366f1}.red-icon img{height:25px}.helper-text img,.red-icon img{border-radius:4px}.green-icon img,.yellow-icon img{height:25px;border-radius:4px}.practice-helper-btn.active.variant-green{background-color:#f7fef8;border-color:#10b981}.practice-helper-btn.active.variant-yellow{background-color:#fffbeb;border-color:#f59e0b}.practice-helper-btn.active.variant-red{background-color:#fef2f2;border-color:#ef4444}.helper-content-box{margin-top:16px;padding:15px;border-radius:8px;border:1px solid transparent;font-size:15px;line-height:1.6}.animate-fade-in{animation:fadeIn .3s ease-in-out}.solution-box{background-color:#f7fef8;border:1px solid #a5e3c6}.padding-box{margin-top:20px;margin-bottom:0}.box-title{font-size:16px;font-weight:700;margin-bottom:8px;margin-top:0}.practice-hint-box{background-color:#fffbeb;border-color:#fde68a}.helper-text{font-size:16px;font-weight:400;line-height:1.6}.helper-header-text{font-size:17px;font-weight:500;margin-right:2px}.mistake-box{background-color:#fef2f2;border-color:#fecaca}.helper-text img{width:25px;height:25px;flex-shrink:0;margin-top:2px;object-fit:contain}.practice-expanation-div{display:grid;grid-template-rows:0fr;padding-top:unset;transition:display .3s,grid-template-rows .3s,padding .3s;overflow:hidden;background-color:#fff}.practice-expanation-div.active{grid-template-rows:1fr;padding-top:20px}.practice-expanation-div-body{width:100%;overflow:hidden}.practice-helper-content{border-radius:10px;overflow:hidden}.practice-helper-body{margin:15px 16px}.helper-hint-box{background:#fffbed;border:1px solid #f7e091}.helper-mistakes-box{background:#fff4f4;border:1px solid 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.toast-subtext{color:var(--txt-primary,#ccc)}[data-theme=dark] .toast-box.success{background:#064e3b;box-shadow:0 4px 12px rgba(0,0,0,.3),inset 0 0 0 1.5px #10b981}[data-theme=dark] .toast-box.success svg{color:#34d399}[data-theme=dark] .toast-box.warning{background:#451a03;box-shadow:0 4px 12px rgba(0,0,0,.3),inset 0 0 0 1.5px #f59e0b}[data-theme=dark] .toast-box.warning svg{color:#fbbf24}[data-theme=dark] .toast-box.error{background:#450a0a;box-shadow:0 4px 12px rgba(0,0,0,.3),inset 0 0 0 1.5px #ef4444}[data-theme=dark] .toast-box.error svg{color:#f87171}[data-theme=dark] .toast-box.info{background:#1e3a8a;box-shadow:0 4px 12px rgba(0,0,0,.3),inset 0 0 0 1.5px #3b82f6}[data-theme=dark] .toast-box.info svg{color:#60a5fa}@keyframes toast-enter{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toast-exit{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-20px) scale(.95)}}@media 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