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Mono,monospace;font-size:11px}.cp-section-chevron{color:#10162f66;display:flex}.cp-section-lessons{border-top:1.5px solid #10162f1a}.cp-lesson-row{cursor:pointer;border-bottom:1px solid #10162f12;align-items:center;gap:12px;padding:10px 18px 10px 58px;transition:background .1s;display:flex}.cp-lesson-row:last-child{border-bottom:none}.cp-lesson-row:hover{background:#fceee3b3}.cp-lesson-num{color:#10162f4d;flex-shrink:0;width:22px;font-family:JetBrains Mono,monospace;font-size:10px;font-weight:600}.cp-lesson-title{color:#10162fbf;flex:1;font-size:13px;line-height:1.45}.cp-lesson-dur{color:#10162f4d;flex-shrink:0;font-family:JetBrains Mono,monospace;font-size:11px}.cp-lesson-arrow{opacity:0;flex-shrink:0;padding-left:6px;font-size:14px;font-weight:700;transition:opacity .1s}.cp-lesson-row:hover .cp-lesson-arrow{opacity:1}@media (width<=960px){.cp-hero-grid{grid-template-columns:1fr;gap:36px}}@media (width<=768px){.cp-hero{padding:36px 0 44px}.cp-course-icon{width:64px;height:64px}.cp-course-icon-svg,.cp-course-icon-svg svg{width:36px;height:36px}.cp-title{font-size:2rem}.cp-stats-row{width:100%}.cp-stat-item{flex:1;justify-content:center}}@media (width<=540px){.cp-stats-row{flex-direction:column}.cp-stat-item{border-bottom:1.5px solid #10162f;border-right:none}.cp-stat-item:last-child{border-bottom:none}.cp-lesson-row{padding-left:18px}}.sidebar-top-header{border-bottom:1px solid var(--border);flex-shrink:0;padding:0}.sidebar-course-banner{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:14px 16px;display:flex}.sidebar-course-icon{border:1px solid;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sidebar-course-icon svg{fill:currentColor;width:18px;height:18px;display:block}.sidebar-icon-svg-wrap{justify-content:center;align-items:center;width:18px;height:18px;display:flex}.sidebar-icon-svg-wrap svg{fill:currentColor;width:18px;height:18px;display:block}.sidebar-course-label-text{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;font-weight:700;overflow:hidden}.sidebar-top-actions{justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.sidebar-back-text{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;align-items:center;gap:5px;font-size:11px;font-weight:600;text-decoration:none;transition:color .15s;display:flex}.sidebar-back-text:hover{color:var(--text-secondary)}.sec-num-badge{background:var(--bg-hover);width:18px;height:18px;color:var(--text-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-family:JetBrains Mono,monospace;font-size:9px;font-weight:800;display:flex}.lv-header{margin-bottom:32px}.lv-lesson-num-wrap{align-items:center;gap:10px;margin-bottom:16px;display:flex}.lv-num-badge{letter-spacing:-.03em;border:1px solid;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-family:JetBrains Mono,monospace;font-size:15px;font-weight:900;display:inline-flex}.lv-section-label{text-transform:uppercase;letter-spacing:.09em;color:var(--text-muted);border:1px solid var(--border);background:var(--bg-hover);border-radius:3px;padding:3px 8px;font-size:11px;font-weight:700}.lv-title{letter-spacing:-.03em;color:var(--text-primary);margin-bottom:16px;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;line-height:1.15}.lv-meta-row{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:28px;display:flex}.lv-meta-chip{color:var(--text-muted);background:var(--bg-hover);border:1px solid var(--border);border-radius:4px;align-items:center;gap:5px;padding:4px 10px;font-size:12px;font-weight:600;display:flex}.lv-divider{border:none;border-top:1px solid var(--border);margin-bottom:32px}.lv-nav{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;gap:12px;margin-top:56px;padding-top:28px;display:grid}.lv-nav-btn{border:1px solid var(--border);cursor:pointer;background:var(--bg-card);border-radius:8px;flex-direction:column;gap:5px;padding:16px 18px;text-decoration:none;transition:all .15s;display:flex}.lv-nav-btn:hover{border-color:var(--border-hover);background:var(--bg-hover);transform:translateY(-1px)}.lv-nav-btn.is-next{text-align:right;align-items:flex-end}.lv-nav-dir{text-transform:uppercase;letter-spacing:.09em;color:var(--text-muted);align-items:center;gap:4px;font-size:10px;font-weight:700;display:flex}.lv-nav-title{color:var(--text-primary);font-size:13px;font-weight:600;line-height:1.4}.lv-nav-placeholder{min-height:72px}@media (width<=540px){.lv-nav{grid-template-columns:1fr}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}