@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";
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p{color:var(--text-muted);font-size:14px}.hero-banner{border-radius:var(--radius-xl);color:#fff;background:linear-gradient(135deg,#1e1b2e,#2d1b3e);padding:32px;position:relative;overflow:hidden}.hero-banner:before{content:"";background:radial-gradient(circle,#b91c1c40 0%,#0000 70%);border-radius:50%;width:400px;height:400px;animation:6s ease-in-out infinite heroPulse;position:absolute;top:-50%;right:-30%}@keyframes heroPulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}.settings-container{max-width:640px}.hero-content{z-index:1;position:relative}.hero-content h1{margin-bottom:8px;font-size:24px;font-weight:800}.hero-content p{color:#cbd5e1;margin-bottom:20px;font-size:14px}.hero-stats{gap:24px;display:flex}.hero-stat .value{font-size:28px;font-weight:800}.hero-stat .label{color:#94a3b8;font-size:12px}.lesson-reader-shell{max-width:860px;margin:0 auto}.lesson-meta-card .card-content h1{color:var(--text);letter-spacing:-.01em;font-size:22px;font-weight:800;line-height:1.4}.lesson-reader-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);box-shadow:var(--shadow-sm)}.lesson-reader-card-content{padding:32px 36px!important}.lesson-rich-text{color:var(--text);word-break:break-word;overflow-wrap:break-word;font-size:15.5px;line-height:1.8}.lesson-rich-heading{color:var(--text);border-bottom:2px solid var(--primary-100);letter-spacing:-.01em;margin:28px 0 12px;padding-bottom:8px;font-size:17px;font-weight:700;line-height:1.5}.lesson-rich-text>.lesson-rich-heading:first-child{margin-top:0}.lesson-rich-paragraph{color:var(--text);text-align:justify;text-justify:inter-word;margin:0 0 16px;line-height:1.85}.lesson-rich-paragraph:last-child{margin-bottom:0}.lesson-rich-numbered{background:var(--bg-muted);border-radius:var(--radius-sm);border-left:3px solid var(--primary);gap:8px;margin:0 0 10px;padding:10px 14px;line-height:1.7;transition:background .15s;display:flex}.lesson-rich-numbered:hover{background:var(--primary-50)}.lesson-rich-number{color:var(--primary);flex-shrink:0;min-width:28px;font-weight:700}.lesson-rich-list{flex-direction:column;gap:6px;margin:8px 0 18px;padding-left:0;list-style:none;display:flex}.lesson-rich-list li{background:var(--bg-muted);border-radius:var(--radius-sm);padding:8px 12px 8px 28px;line-height:1.7;transition:background .15s;position:relative}.lesson-rich-list li:hover{background:var(--primary-50)}.lesson-rich-list li:before{content:"";background:var(--primary);border-radius:50%;width:6px;height:6px;position:absolute;top:16px;left:12px}.lesson-reader-shell>div:last-child{padding-top:8px}.quiz-question{border-bottom:1px solid var(--border-light);margin-bottom:28px;padding-bottom:24px}.quiz-question:last-of-type{border-bottom:none}.quiz-question h4{margin-bottom:14px;font-size:15px;font-weight:700;line-height:1.6}.quiz-options{flex-direction:column;gap:8px;display:flex}.quiz-option{border:1.5px solid var(--border);border-radius:var(--radius);background:var(--bg-card);cursor:pointer;text-align:left;align-items:center;gap:12px;padding:12px 16px;font-size:14px;line-height:1.5;transition:all .15s;display:flex}.quiz-option:hover:not(:disabled){border-color:var(--accent);background:var(--accent-light)}.quiz-option.selected{border-color:var(--accent);background:var(--accent-light);font-weight:600}.quiz-option.correct{border-color:var(--success);background:var(--success-light)}.quiz-option.incorrect{border-color:var(--primary);background:var(--primary-light)}@media (max-width:768px){.lesson-reader-card-content{padding:20px 18px!important}.lesson-rich-text{font-size:14.5px;line-height:1.75}.lesson-rich-heading{margin:22px 0 10px;font-size:15.5px}.lesson-rich-numbered{padding:8px 12px}.lesson-rich-list li{padding:6px 10px 6px 24px}.lesson-rich-list li:before{top:14px;left:10px}}