.toastification-close-icon[data-v-55dd3057],.toastification-title[data-v-55dd3057]{line-height:26px}.toastification-title[data-v-55dd3057]{color:inherit}.assignment-header-card[data-v-1fcf2ef0]{overflow:hidden}[dir] .assignment-header-card[data-v-1fcf2ef0]{border-radius:24px;box-shadow:0 20px 60px rgba(102,126,234,.25)}.header-gradient[data-v-1fcf2ef0]{position:relative}[dir] .header-gradient[data-v-1fcf2ef0]{padding:2rem}[dir=ltr] .header-gradient[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2 50%,#f093fb)}[dir=rtl] .header-gradient[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2 50%,#f093fb)}.header-gradient[data-v-1fcf2ef0]:before{content:"";position:absolute;top:0;bottom:0;opacity:.5}[dir] .header-gradient[data-v-1fcf2ef0]:before{background:url("data:image/svg+xml;charset=utf-8,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z' fill='%23fff' fill-opacity='.05' fill-rule='evenodd'/%3E%3C/svg%3E")}[dir=ltr] .header-gradient[data-v-1fcf2ef0]:before,[dir=rtl] .header-gradient[data-v-1fcf2ef0]:before{left:0;right:0}.header-content[data-v-1fcf2ef0]{position:relative;z-index:1}.header-top[data-v-1fcf2ef0]{display:flex;justify-content:space-between;align-items:flex-start}[dir] .header-top[data-v-1fcf2ef0]{margin-bottom:2rem}.header-title-section[data-v-1fcf2ef0]{flex:1}.assignment-title[data-v-1fcf2ef0]{font-size:2rem;font-weight:800;color:#fff;line-height:1.2}[dir] .assignment-title[data-v-1fcf2ef0]{margin:0 0 1rem 0;text-shadow:0 2px 10px rgba(0,0,0,.2)}.header-badges[data-v-1fcf2ef0]{display:flex;gap:.75rem;flex-wrap:wrap}.info-badge[data-v-1fcf2ef0]{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:600;color:#fff;transition:all .3s ease}[dir] .info-badge[data-v-1fcf2ef0]{padding:.5rem 1rem;border-radius:50px;background:#10b981;border:none;box-shadow:0 4px 15px rgba(16,185,129,.3)}[dir] .info-badge[data-v-1fcf2ef0]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(16,185,129,.4)}[dir] .exercises-badge[data-v-1fcf2ef0],[dir] .points-badge[data-v-1fcf2ef0],[dir] .time-badge[data-v-1fcf2ef0]{background:#10b981}.back-button[data-v-1fcf2ef0]{display:flex;align-items:center;gap:.5rem;color:#fff;font-weight:600;font-size:.9rem;transition:all .3s ease;backdrop-filter:blur(10px)}[dir] .back-button[data-v-1fcf2ef0]{padding:.75rem 1.25rem;background:hsla(0,0%,100%,.15);border:2px solid hsla(0,0%,100%,.3);border-radius:12px;cursor:pointer}[dir] .back-button[data-v-1fcf2ef0]:hover{background:hsla(0,0%,100%,.25);border-color:hsla(0,0%,100%,.5)}[dir=ltr] .back-button[data-v-1fcf2ef0]:hover{transform:translateX(-3px)}[dir=rtl] .back-button[data-v-1fcf2ef0]:hover{transform:translateX(3px)}.header-stats[data-v-1fcf2ef0]{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.stat-item[data-v-1fcf2ef0]{display:flex;align-items:center;gap:.75rem;backdrop-filter:blur(10px);transition:all .3s ease}[dir] .stat-item[data-v-1fcf2ef0]{background:hsla(0,0%,100%,.1);border-radius:16px;padding:1rem;border:1px solid hsla(0,0%,100%,.2)}[dir] .stat-item[data-v-1fcf2ef0]:hover{background:hsla(0,0%,100%,.15);transform:translateY(-2px)}[dir] .stat-item.time-remaining.urgent[data-v-1fcf2ef0]{background:rgba(245,101,101,.2);border-color:rgba(245,101,101,.4)}[dir=ltr] .stat-item.time-remaining.urgent[data-v-1fcf2ef0],[dir=rtl] .stat-item.time-remaining.urgent[data-v-1fcf2ef0]{animation:pulse-urgent-data-v-1fcf2ef0 2s infinite}@keyframes pulse-urgent-data-v-1fcf2ef0{0%,to{opacity:1}50%{opacity:.8}}.stat-icon[data-v-1fcf2ef0]{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:#fff}[dir] .stat-icon[data-v-1fcf2ef0]{background:hsla(0,0%,100%,.2);border-radius:12px}[dir] .stat-icon.progress-icon[data-v-1fcf2ef0]{background:rgba(72,187,120,.3)}.stat-content[data-v-1fcf2ef0]{display:flex;flex-direction:column}.stat-label[data-v-1fcf2ef0]{font-size:.75rem;color:hsla(0,0%,100%,.7);text-transform:uppercase;letter-spacing:.5px;font-weight:500}.stat-value[data-v-1fcf2ef0]{font-size:1.1rem;font-weight:700;color:#fff}@media (max-width:992px){.header-stats[data-v-1fcf2ef0]{grid-template-columns:repeat(2,1fr)}}@media (max-width:576px){[dir] .header-gradient[data-v-1fcf2ef0]{padding:1.5rem}.assignment-title[data-v-1fcf2ef0]{font-size:1.5rem}.header-stats[data-v-1fcf2ef0]{grid-template-columns:1fr}.header-top[data-v-1fcf2ef0]{flex-direction:column;gap:1rem}.back-button[data-v-1fcf2ef0]{align-self:flex-start}}.exercise-container[data-v-1fcf2ef0]{max-width:900px}[dir] .exercise-container[data-v-1fcf2ef0]{margin:0 auto}[dir] .exercise-navigation[data-v-1fcf2ef0]{border-radius:16px;padding:1.25rem 1.5rem;box-shadow:0 10px 40px rgba(102,126,234,.3)}[dir=ltr] .exercise-navigation[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2)}[dir=rtl] .exercise-navigation[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2)}.exercise-tabs[data-v-1fcf2ef0]{display:flex;gap:.5rem;flex-wrap:wrap}.exercise-tab[data-v-1fcf2ef0]{display:flex;flex-direction:column;align-items:center;color:#fff;transition:all .3s ease;min-width:60px}[dir] .exercise-tab[data-v-1fcf2ef0]{padding:.5rem 1rem;border:2px solid hsla(0,0%,100%,.3);border-radius:12px;background:hsla(0,0%,100%,.1);cursor:pointer}[dir] .exercise-tab[data-v-1fcf2ef0]:hover{background:hsla(0,0%,100%,.2);transform:translateY(-2px)}.exercise-tab.active[data-v-1fcf2ef0]{color:#667eea}[dir] .exercise-tab.active[data-v-1fcf2ef0]{background:#fff;border-color:#fff;box-shadow:0 4px 15px rgba(0,0,0,.2)}[dir] .exercise-tab.answered[data-v-1fcf2ef0]:not(.active){background:rgba(72,187,120,.3);border-color:rgba(72,187,120,.5)}.tab-number[data-v-1fcf2ef0]{font-size:1.25rem;font-weight:700}.tab-points[data-v-1fcf2ef0]{font-size:.7rem;opacity:.8}.exercise-progress-text[data-v-1fcf2ef0]{color:#fff;font-size:.9rem;display:flex;align-items:center;gap:.5rem}.current-exercise[data-v-1fcf2ef0],.total-exercises[data-v-1fcf2ef0]{font-weight:700;font-size:1.1rem}.progress-bar-container[data-v-1fcf2ef0]{height:6px;overflow:hidden}[dir] .progress-bar-container[data-v-1fcf2ef0]{background:hsla(0,0%,100%,.2);border-radius:3px}.progress-bar-fill[data-v-1fcf2ef0]{height:100%;transition:width .5s ease}[dir] .progress-bar-fill[data-v-1fcf2ef0]{border-radius:3px}[dir=ltr] .progress-bar-fill[data-v-1fcf2ef0]{background:linear-gradient(90deg,#48bb78,#38a169)}[dir=rtl] .progress-bar-fill[data-v-1fcf2ef0]{background:linear-gradient(-90deg,#48bb78,#38a169)}.exercise-card[data-v-1fcf2ef0]{overflow:hidden}[dir] .exercise-card[data-v-1fcf2ef0]{border:none;border-radius:20px;box-shadow:0 10px 50px rgba(0,0,0,.08)}.exercise-header[data-v-1fcf2ef0]{display:flex;justify-content:space-between;align-items:center}[dir] .exercise-header[data-v-1fcf2ef0]{padding-bottom:1rem;margin-bottom:1.5rem;border-bottom:2px solid #f0f0f0}.exercise-badge-container[data-v-1fcf2ef0]{display:flex;align-items:center;gap:1rem}.exercise-number[data-v-1fcf2ef0]{font-size:1.5rem;font-weight:800;-webkit-text-fill-color:transparent}[dir] .exercise-number[data-v-1fcf2ef0]{-webkit-background-clip:text;background-clip:text}[dir=ltr] .exercise-number[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2)}[dir=rtl] .exercise-number[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2)}.points-badge[data-v-1fcf2ef0]{font-size:.85rem}[dir] .points-badge[data-v-1fcf2ef0]{padding:.5rem 1rem;border-radius:20px}[dir=ltr] .points-badge[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2)!important}[dir=rtl] .points-badge[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2)!important}.type-badge[data-v-1fcf2ef0]{font-size:.75rem}[dir] .type-badge[data-v-1fcf2ef0]{padding:.4rem .8rem;border-radius:8px}[dir] .exercise-content[data-v-1fcf2ef0]{border-radius:16px;padding:2rem;margin-bottom:1.5rem;border:1px solid #e8ecf0}[dir=ltr] .exercise-content[data-v-1fcf2ef0]{background:linear-gradient(180deg,#fafbfc,#fff)}[dir=rtl] .exercise-content[data-v-1fcf2ef0]{background:linear-gradient(-180deg,#fafbfc,#fff)}.exercise-text[data-v-1fcf2ef0]{font-size:1.05rem;line-height:2;color:#2d3748}[dir] .answer-section[data-v-1fcf2ef0]{background:#f8fafc;border-radius:16px;padding:1.5rem;margin-bottom:1.5rem;border:2px dashed #e2e8f0}.answer-title[data-v-1fcf2ef0]{display:flex;align-items:center;font-weight:600;color:#4a5568}[dir] .answer-title[data-v-1fcf2ef0]{margin-bottom:1rem}.answer-textarea[data-v-1fcf2ef0]{font-size:1rem;transition:all .3s ease;resize:vertical}[dir] .answer-textarea[data-v-1fcf2ef0]{border:2px solid #e2e8f0;border-radius:12px;padding:1rem}[dir] .answer-textarea[data-v-1fcf2ef0]:focus{border-color:#667eea;box-shadow:0 0 0 4px rgba(102,126,234,.1)}.answer-input[data-v-1fcf2ef0]{font-size:1rem;transition:all .3s ease}[dir] .answer-input[data-v-1fcf2ef0]{border:2px solid #e2e8f0;border-radius:12px;padding:.75rem 1rem}[dir] .answer-input[data-v-1fcf2ef0]:focus{border-color:#667eea;box-shadow:0 0 0 4px rgba(102,126,234,.1)}.exercise-nav-buttons[data-v-1fcf2ef0]{display:flex;justify-content:space-between;align-items:center}[dir] .exercise-nav-buttons[data-v-1fcf2ef0]{padding-top:1rem;border-top:1px solid #f0f0f0}.exercise-nav-buttons .btn[data-v-1fcf2ef0]{font-weight:600;display:flex;align-items:center;gap:.5rem;transition:all .3s ease}[dir] .exercise-nav-buttons .btn[data-v-1fcf2ef0]{padding:.75rem 1.5rem;border-radius:12px}[dir] .exercise-nav-buttons .btn-primary[data-v-1fcf2ef0]{border:none}[dir=ltr] .exercise-nav-buttons .btn-primary[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2)}[dir=rtl] .exercise-nav-buttons .btn-primary[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2)}[dir] .exercise-nav-buttons .btn-primary[data-v-1fcf2ef0]:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(102,126,234,.4)}[dir] .exercise-nav-buttons .btn-success[data-v-1fcf2ef0]{border:none}[dir=ltr] .exercise-nav-buttons .btn-success[data-v-1fcf2ef0]{background:linear-gradient(135deg,#48bb78,#38a169)}[dir=rtl] .exercise-nav-buttons .btn-success[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#48bb78,#38a169)}[dir] .exercise-nav-buttons .btn-success[data-v-1fcf2ef0]:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(72,187,120,.4)}[dir] .summary-card[data-v-1fcf2ef0]{border:none;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.05)}[dir=ltr] .summary-card[data-v-1fcf2ef0]{background:linear-gradient(135deg,#f6f8fb,#fff)}[dir=rtl] .summary-card[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#f6f8fb,#fff)}.summary-title[data-v-1fcf2ef0]{display:flex;align-items:center;font-weight:600;color:#4a5568}[dir] .summary-title[data-v-1fcf2ef0]{margin-bottom:1rem}.summary-grid[data-v-1fcf2ef0]{display:flex;flex-wrap:wrap;gap:.5rem}.summary-item[data-v-1fcf2ef0]{display:flex;flex-direction:column;align-items:center;justify-content:center;width:50px;height:50px;transition:all .3s ease}[dir] .summary-item[data-v-1fcf2ef0]{border-radius:12px;background:#fff;border:2px solid #e2e8f0;cursor:pointer}[dir] .summary-item[data-v-1fcf2ef0]:hover{border-color:#667eea;transform:scale(1.05)}.summary-item.current[data-v-1fcf2ef0]{color:#fff}[dir] .summary-item.current[data-v-1fcf2ef0]{border-color:#667eea}[dir=ltr] .summary-item.current[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2)}[dir=rtl] .summary-item.current[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2)}[dir] .summary-item.answered[data-v-1fcf2ef0]:not(.current){border-color:#48bb78;background:#f0fff4}.summary-item.answered .summary-status[data-v-1fcf2ef0]{color:#48bb78}.summary-number[data-v-1fcf2ef0]{font-weight:700;font-size:.9rem}.summary-status[data-v-1fcf2ef0]{font-size:.7rem;color:#a0aec0}[dir] .summary-stats[data-v-1fcf2ef0]{text-align:center;padding-top:.75rem;border-top:1px solid #e2e8f0}.answered-count[data-v-1fcf2ef0]{font-size:.85rem;color:#718096;font-weight:500}.b-form-radio-group[data-v-1fcf2ef0]{display:flex;flex-direction:column;gap:.75rem}.formatted-content[data-v-1fcf2ef0]{line-height:1.9;color:#2d3748}.formatted-content .exercise-main-title[data-v-1fcf2ef0]{font-size:1.75rem;font-weight:800;color:#1a202c;-webkit-text-fill-color:transparent;line-height:1.3}[dir] .formatted-content .exercise-main-title[data-v-1fcf2ef0]{margin-top:0;margin-bottom:1.5rem;-webkit-background-clip:text;background-clip:text}[dir=ltr] .formatted-content .exercise-main-title[data-v-1fcf2ef0]{background:linear-gradient(135deg,#667eea,#764ba2)}[dir=rtl] .formatted-content .exercise-main-title[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#667eea,#764ba2)}.formatted-content .exercise-title[data-v-1fcf2ef0]{font-size:1.25rem;font-weight:700;color:#4a5568;line-height:1.4}[dir] .formatted-content .exercise-title[data-v-1fcf2ef0]{margin-top:1.5rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid #e2e8f0}.formatted-content .exercise-subtitle[data-v-1fcf2ef0]{font-size:1.1rem;font-weight:600;color:#667eea;line-height:1.5}[dir] .formatted-content .exercise-subtitle[data-v-1fcf2ef0]{margin-top:1.25rem;margin-bottom:.75rem}.formatted-content .exercise-paragraph[data-v-1fcf2ef0]{line-height:1.9;color:#4a5568}[dir] .formatted-content .exercise-paragraph[data-v-1fcf2ef0]{margin-bottom:1.25rem}[dir=ltr] .formatted-content .exercise-paragraph[data-v-1fcf2ef0]{text-align:left}[dir=rtl] .formatted-content .exercise-paragraph[data-v-1fcf2ef0]{text-align:right}.formatted-content .math-display-block[data-v-1fcf2ef0]{overflow-x:auto}[dir] .formatted-content .math-display-block[data-v-1fcf2ef0]{margin:1.5rem 0;padding:1.25rem;text-align:center;border-radius:12px;border:1px solid #e2e8f0}[dir=ltr] .formatted-content .math-display-block[data-v-1fcf2ef0]{background:linear-gradient(135deg,#f6f8fb,#edf2f7)}[dir=rtl] .formatted-content .math-display-block[data-v-1fcf2ef0]{background:linear-gradient(-135deg,#f6f8fb,#edf2f7)}.formatted-content .exercise-list[data-v-1fcf2ef0]{line-height:1.9}[dir] .formatted-content .exercise-list[data-v-1fcf2ef0]{margin-bottom:1.25rem}[dir=ltr] .formatted-content .exercise-list[data-v-1fcf2ef0]{margin-left:0;padding-left:1.5rem}[dir=rtl] .formatted-content .exercise-list[data-v-1fcf2ef0]{margin-right:0;padding-right:1.5rem}.formatted-content .exercise-list li[data-v-1fcf2ef0]{line-height:1.9;position:relative}[dir] .formatted-content .exercise-list li[data-v-1fcf2ef0]{margin-bottom:.75rem}[dir=ltr] .formatted-content .exercise-list li[data-v-1fcf2ef0]{padding-left:.5rem}[dir=rtl] .formatted-content .exercise-list li[data-v-1fcf2ef0]{padding-right:.5rem}.formatted-content .exercise-list li[data-v-1fcf2ef0]::marker{color:#667eea;font-weight:600}.formatted-content strong[data-v-1fcf2ef0]{color:#1a202c;font-weight:700}[dir] .formatted-content .MathJax[data-v-1fcf2ef0],[dir] .formatted-content .MathJax_Display[data-v-1fcf2ef0]{margin:1rem 0}[dir] .formatted-content>[data-v-1fcf2ef0]:first-child{margin-top:0}[dir] .formatted-content>[data-v-1fcf2ef0]:last-child{margin-bottom:0}