@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--font-sans:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--bg-app:#090d16;--bg-sidebar:#111724;--bg-card:#151c2ca6;--bg-card-hover:#1d273dcc;--border-color:#ffffff0f;--border-focus:#42b6f0;--text-primary:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000004d, 0 4px 6px -2px #0000001a;font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-primary);box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);margin:0;padding:0;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-app)}::-webkit-scrollbar-thumb{background:#1e293b;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#334155}.app-layout{min-height:100vh;display:flex;position:relative}.app-sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;flex-shrink:0;width:320px;height:100vh;transition:transform .3s;display:flex;position:sticky;top:0}.sidebar-header{border-bottom:1px solid var(--border-color);padding:24px}.brand-logo{align-items:center;gap:10px;display:flex}.brand-logo h2{background:linear-gradient(135deg,#38bdf8,#818cf8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:20px;font-weight:700}.brand-sub{color:var(--text-secondary);margin:4px 0 0;font-size:12px}.progress-section{border-bottom:1px solid var(--border-color);padding:20px 24px}.progress-bar-label{color:var(--text-secondary);justify-content:space-between;margin-bottom:8px;font-size:12px;display:flex}.global-progress-bar{background-color:#1e293b;border-radius:3px;width:100%;height:6px;overflow:hidden}.global-progress-fill{background:linear-gradient(90deg,#38bdf8,#34d399);border-radius:3px;height:100%;transition:width .4s}.search-box{border-bottom:1px solid var(--border-color);padding:16px 24px;position:relative}.search-box input{border:1px solid var(--border-color);width:100%;color:var(--text-primary);box-sizing:border-box;background-color:#0f1422;border-radius:8px;padding:10px 14px;font-size:13px;transition:border-color .2s}.search-box input:focus{border-color:var(--border-focus);outline:none}.clear-search{color:var(--text-muted);cursor:pointer;background:0 0;border:none;position:absolute;top:50%;right:36px;transform:translateY(-50%)}.sidebar-nav{flex-grow:1;padding:16px 0;overflow-y:auto}.module-group{margin-bottom:24px}.module-title{text-transform:uppercase;letter-spacing:.08em;color:var(--module-color,var(--text-secondary));margin:0 0 10px;padding:0 24px;font-size:11px;font-weight:700}.module-sessions{flex-direction:column;display:flex}.nav-item{cursor:pointer;border-left:3px solid #0000;align-items:center;gap:12px;padding:10px 24px;transition:all .2s;display:flex}.nav-item:hover{background-color:#ffffff05}.nav-item.active{border-left-color:var(--module-color,#38bdf8);background-color:#38bdf80d}.nav-item.active .session-title{color:var(--text-primary);font-weight:600}.nav-item-indicator{border:1px solid var(--text-muted);width:20px;height:20px;color:var(--text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;transition:all .2s;display:flex}.nav-item.completed .nav-item-indicator{color:#fff;background-color:#22c55e;border-color:#22c55e}.nav-item-content{flex-direction:column;display:flex}.session-title{color:var(--text-secondary);font-size:13px;line-height:1.4}.session-score{color:#22c55e;margin-top:2px;font-size:10px}.sidebar-footer{border-top:1px solid var(--border-color);padding:16px 24px}.reset-btn{color:#ef4444;cursor:pointer;background:0 0;border:1px solid #ef44444d;border-radius:6px;width:100%;padding:8px;font-size:11px;transition:all .2s}.reset-btn:hover{background-color:#ef44441a}.app-main{box-sizing:border-box;flex-grow:1;height:100vh;padding:40px;overflow-y:auto}.session-page{max-width:1100px;margin:0 auto;animation:.4s ease-out fadeIn}.session-header{margin-bottom:30px}.module-pill{color:var(--module-theme,#38bdf8);background-color:#ffffff0d;border:1px solid #ffffff0d;border-radius:20px;margin-bottom:12px;padding:4px 10px;font-size:11px;font-weight:700;display:inline-block}.session-main-title{color:var(--text-primary);letter-spacing:-.02em;margin:0 0 8px;font-size:28px;font-weight:800}.session-subtitle{color:var(--text-secondary);margin:0;font-size:16px}.session-grid{grid-template-columns:1fr 1.2fr;align-items:start;gap:30px;display:grid}@media (width<=1024px){.session-grid{grid-template-columns:1fr}}.dashboard-section{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);border-radius:16px;margin-bottom:24px;padding:24px;transition:border-color .3s}.dashboard-section h3{color:var(--text-primary);margin:0 0 16px;font-size:16px;font-weight:700}.analogy-card{background:linear-gradient(135deg,#38bdf814,#818cf814);border:1px solid #38bdf826}.section-header-icon{text-transform:uppercase;letter-spacing:.05em;color:#38bdf8;margin-bottom:10px;font-size:12px;font-weight:700}.analogy-text{color:#cbd5e1;margin:0;font-size:15px;font-style:italic;line-height:1.6}.concept-text{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.7}.terms-list{flex-direction:column;gap:16px;display:flex}.term-item{flex-direction:column;gap:4px;display:flex}.term-word{color:var(--module-theme,#38bdf8);font-size:14px}.term-def{color:var(--text-secondary);font-size:13px;line-height:1.5}.sandbox-desc{color:var(--text-secondary);margin:0 0 20px;font-size:13px;line-height:1.5}.widget-card{background:#0a0f1a66;border:1px solid #ffffff0a;border-radius:12px;padding:20px}.widget-card h4{margin:0 0 10px;font-size:14px}.slider-group{margin:15px 0}.slider-group label{color:var(--text-secondary);flex-direction:column;gap:8px;margin-bottom:15px;font-size:12px;display:flex}.slider-group input[type=range]{-webkit-appearance:none;background:#1e293b;border-radius:3px;outline:none;width:100%;height:6px}.slider-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--module-theme,#38bdf8);cursor:pointer;border-radius:50%;width:16px;height:16px;transition:transform .1s}.slider-group input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.widget-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#38bdf8,#818cf8);border:none;border-radius:8px;padding:10px 20px;font-size:13px;font-weight:600;transition:all .2s}.widget-btn:hover{opacity:.9;transform:translateY(-1px)}.widget-btn:disabled{opacity:.4;cursor:not-allowed}.widget-btn.secondary{border:1px solid var(--border-color);color:var(--text-primary);background:0 0}.widget-btn.secondary:hover{background:#ffffff0d}.widget-btn.alert{background:linear-gradient(135deg,#f87171,#ef4444)}.info-box{border:1px solid var(--border-color);background:#ffffff08;border-radius:8px;margin-top:10px;padding:12px}.quiz-container{flex-direction:column;display:flex}.quiz-header{flex-direction:column;gap:8px;margin-bottom:15px;display:flex}.quiz-progress-text{text-transform:uppercase;color:var(--text-muted);font-size:11px}.quiz-progress-bar{background-color:#1e293b;border-radius:2px;width:100%;height:4px}.quiz-progress-fill{background-color:var(--module-theme,#38bdf8);height:100%;transition:width .3s}.quiz-question{margin:0 0 16px;font-size:15px;font-weight:600;line-height:1.5}.quiz-options{flex-direction:column;gap:10px;display:flex}.quiz-option{border:1px solid var(--border-color);color:var(--text-primary);text-align:left;cursor:pointer;background:#ffffff05;border-radius:8px;align-items:center;gap:12px;padding:12px 16px;transition:all .2s;display:flex}.quiz-option:hover{background:#ffffff0a;border-color:#ffffff26}.quiz-option.selected{border-color:var(--module-theme,#38bdf8);background:#38bdf80d}.option-indicator{border:1px solid var(--text-muted);border-radius:50%;flex-shrink:0;width:14px;height:14px}.quiz-option.selected .option-indicator{background-color:var(--module-theme,#38bdf8);border-color:var(--module-theme,#38bdf8)}.quiz-option.correct{background:#22c55e1a;border-color:#22c55e}.quiz-option.correct .option-indicator{background-color:#22c55e;border-color:#22c55e}.quiz-option.incorrect{background:#ef44441a;border-color:#ef4444}.quiz-option.incorrect .option-indicator{background-color:#ef4444;border-color:#ef4444}.quiz-option.disabled{opacity:.5;cursor:not-allowed}.session-footer-nav{border-top:1px solid var(--border-color);justify-content:space-between;margin-top:40px;padding-top:24px;display:flex}.search-results h4{color:var(--text-secondary);margin:0 0 15px;padding:0 24px;font-size:12px}.nav-item.result{flex-direction:column;align-items:flex-start;gap:4px}.session-num{text-transform:uppercase;color:#38bdf8;font-size:10px}.matched-term{color:var(--text-muted);margin-top:4px;font-size:11px}.no-results{color:var(--text-muted);padding:0 24px;font-size:12px}.mobile-toggle{background-color:var(--bg-sidebar);border:1px solid var(--border-color);color:var(--text-primary);z-index:200;cursor:pointer;border-radius:6px;padding:8px 12px;display:none;position:fixed;top:15px;right:15px}@media (width<=768px){.app-layout{flex-direction:column}.app-sidebar{width:280px;position:fixed;transform:translate(-100%)}.app-sidebar.open{transform:translate(0)}.app-main{padding:60px 20px 20px}.mobile-toggle{display:block}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-3px)}20%,40%,60%,80%{transform:translate(3px)}}.vibrate-eardrum,.vibrate-bones{animation:.1s infinite shake}