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1.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.narration-step-info{font-size:.85rem;color:#667eea;font-weight:600;margin-bottom:.5rem}.narration-text{color:#ffffffe6;line-height:1.6;font-size:1rem}.electure-narration.step-entering{animation:stepEnter .4s var(--ease-out-expo)}.electure-ctrl-btn:active{animation:btnPress .15s ease}.electure-progress-fill{position:relative;overflow:hidden}.electure-progress-fill:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:progressShimmer 2s infinite}.electure-code-line.highlighted:after{content:"";position:absolute;inset:-2px -10px;background:radial-gradient(ellipse at center,rgba(102,126,234,.25),transparent 70%);z-index:-1;animation:highlightGlow 2s ease infinite;pointer-events:none;border-radius:4px}.electure-speaking-indicator{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#667eea33;border-radius:20px;margin-bottom:.75rem;opacity:0;transform:translateY(-10px);transition:all .3s ease}.electure-speaking-indicator.active{opacity:1;transform:translateY(0)}.speaking-waves{display:flex;align-items:center;gap:3px;height:16px}.speaking-wave{width:3px;height:8px;background:#667eea;border-radius:2px;animation:waveAnim .6s ease-in-out infinite}.speaking-wave:nth-child(1){animation-delay:0s}.speaking-wave:nth-child(2){animation-delay:.1s;height:12px}.speaking-wave:nth-child(3){animation-delay:.2s}.speaking-wave:nth-child(4){animation-delay:.3s;height:14px}.speaking-wave:nth-child(5){animation-delay:.4s}.speaking-text{font-size:.85rem;color:#667eea;font-weight:600}.electure-player-overlay{padding:clamp(.5rem,2vw,1.5rem)}.electure-player-container{width:min(95vw,1200px);max-height:95vh;overflow:hidden}.electure-content-area{min-height:clamp(300px,50vh,500px)}.electure-controls{display:flex;align-items:center;justify-content:center;gap:1.25rem;padding:.6rem 1.75rem;background:#050505d9;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:999px;border:1px solid rgba(255,255,255,.08);box-shadow:0 24px 48px -12px #000c,inset 0 1px #ffffff1a,inset 0 -1px #ffffff0d;width:max-content;margin:1.5rem auto 0;min-width:0}.controls-row{display:flex;align-items:center;gap:.5rem}.electure-ctrl-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;border:1px solid transparent;background:transparent;color:#fff9;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);padding:0;position:relative;flex-shrink:0}.electure-ctrl-btn:hover{background:#ffffff1a;color:#fff;transform:translateY(-1px)}.electure-ctrl-btn:active{transform:translateY(0)}.electure-ctrl-btn.primary{width:52px;height:52px;border-radius:12px;background:#6366f1;color:#fff;box-shadow:0 4px 10px #6366f133;margin:0 .5rem;border:none}.electure-ctrl-btn.primary:hover{background:#4f46e5;transform:translateY(-2px);box-shadow:0 6px 15px #6366f14d}.ctrl-icon{font-size:1.25rem;line-height:1;display:flex}.electure-ctrl-btn.primary .ctrl-icon{font-size:1.75rem;margin-left:2px}.ctrl-label{display:none!important}.controls-speed{background:#ffffff0d;padding:.35rem .75rem;border-radius:8px;display:flex;align-items:center;gap:.75rem;border:1px solid rgba(255,255,255,.1);margin-left:.5rem;flex-shrink:0;height:40px;transition:all .2s}.controls-speed:hover{background:#ffffff14;border-color:#fff3}.electure-big-play-btn{background:#6366f1;border:none;border-radius:16px;padding:1.25rem 3rem;display:flex;align-items:center;gap:1rem;color:#fff;font-family:Inter,sans-serif;font-size:1.25rem;font-weight:700;cursor:pointer;box-shadow:0 10px 30px #6366f14d;transition:all .2s ease}.electure-big-play-btn:hover{background:#4f46e5;box-shadow:0 15px 40px #6366f166;transform:translateY(-2px)}.speed-icon{font-size:.8rem;opacity:.4}.speed-slider{-webkit-appearance:none;width:60px;height:4px;background:#ffffff26;border-radius:2px;cursor:pointer}.speed-slider::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 0 10px #ffffff80}.speed-label{font-family:JetBrains Mono,monospace;font-size:.75rem;color:#ffffffb3;font-weight:600;min-width:2.5ch;text-align:right}#eLectureStepIndicator,#eLectureStepIndicator *{font-family:Inter,system-ui,-apple-system,sans-serif!important;font-size:.9rem;color:#94a3b8;background-color:transparent!important;background-image:none!important;box-shadow:none!important;border-radius:0!important;padding:0;border:none;white-space:nowrap!important;display:inline-block;flex-shrink:0;letter-spacing:.02em}#eLectureStepIndicator{margin:0 0 0 1.5rem!important;padding-left:0;border-left:none!important;height:auto;display:flex!important;align-items:center}#eLectureStepIndicator strong{color:#fff;font-weight:600;font-feature-settings:"tnum";margin:0 .25rem}.electure-viz-bars{display:flex;align-items:flex-end;justify-content:center;gap:8px;height:200px;width:100%;max-width:500px}.electure-viz-bar{flex:1;max-width:50px;min-width:30px;background:linear-gradient(180deg,#667eea,#764ba2);border-radius:8px 8px 0 0;display:flex;align-items:flex-start;justify-content:center;padding-top:8px;transition:all .3s ease;position:relative}.electure-viz-bar .bar-value{font-size:.85rem;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.3)}.electure-viz-bar.comparing{background:linear-gradient(180deg,gold,#ffb300);transform:scaleY(1.05);box-shadow:0 0 20px #ffd70080}.electure-viz-bar.swapping{background:linear-gradient(180deg,#ff6b6b,#ee5a24);animation:swapPulse .3s ease}@keyframes swapPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.electure-viz-bar.sorted{background:linear-gradient(180deg,#2ed573,#26de81)}.electure-viz-bar.pivot{background:linear-gradient(180deg,#667eea,#3742fa);box-shadow:0 0 20px #667eea80}.viz-phase-label{margin-top:1.5rem;padding:.6rem 2rem;background:#1e293bcc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);border-radius:30px;color:#e2e8f0;font-weight:600;font-size:1rem;letter-spacing:.02em;box-shadow:0 4px 12px #0003;text-align:center;max-width:80%}.electure-viz-stack{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;padding:2rem;height:100%}.stack-container{display:flex;flex-direction:column-reverse;justify-content:flex-start;gap:6px;width:140px;min-height:200px;border:4px solid rgba(255,255,255,.15);border-top:none;border-radius:0 0 20px 20px;padding:12px;background:#0f172a66;position:relative;box-shadow:0 10px 30px #0003,inset 0 -10px 20px #0003}.stack-item{height:45px;width:100%;background:#6366f1;color:#fff;display:flex;align-items:center;justify-content:center;border-radius:10px;font-weight:700;font-size:1.1rem;text-shadow:0 1px 2px rgba(0,0,0,.3);box-shadow:0 4px 6px #0000001a;animation:stackPush .4s cubic-bezier(.34,1.56,.64,1);flex-shrink:0}.stack-item.top{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 0 20px #10b98166;position:relative;z-index:2}.stack-top-label{position:absolute;left:160px;top:auto;color:#34d399;font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;display:flex;align-items:center;gap:.5rem}.stack-top-label:before{content:"←";font-size:1.2rem}.electure-viz-stack-wrapper{display:flex;align-items:flex-end}@keyframes stackPush{0%{opacity:0;transform:translateY(-20px) scale(.8)}to{opacity:1;transform:translateY(0) scale(1)}}.stack-item.highlight{background:linear-gradient(135deg,#f59e0b,#d97706);transform:scale(1.05);z-index:3}.stack-item.popping{animation:stackPop .4s ease forwards}@keyframes stackPop{to{opacity:0;transform:translate(50px) scale(.8)}}.stack-empty{color:#fff6;font-style:italic;font-size:.9rem;text-align:center;margin-top:auto;margin-bottom:auto}.electure-viz-linkedlist{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;padding:2rem;width:100%}.ll-node{display:flex;align-items:center;animation:nodeInsert .5s ease}@keyframes nodeInsert{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.ll-value{background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;box-shadow:0 8px 16px #3b82f64d;border:2px solid rgba(255,255,255,.1);position:relative;z-index:2}.ll-arrow{color:#fff6;font-size:1.5rem;margin:0 .5rem;font-weight:300}.ll-null{font-family:JetBrains Mono,monospace;color:#ffffff80;font-size:.9rem;background:#ffffff0d;padding:.25rem .5rem;border-radius:4px}.ll-node.current .ll-value{background:linear-gradient(135deg,gold,#ffb300);box-shadow:0 0 20px #ffd70080}.ll-node.visited .ll-value{background:linear-gradient(135deg,#2ed573,#26de81)}.ll-arrow{color:var(--accent-forest);font-size:1.5rem;font-weight:700;padding:0 4px}.ll-null{color:var(--text-muted);font-size:.9rem;font-style:italic;padding:.5rem;background:#64646433;border-radius:8px;margin-left:8px}.ll-empty{color:var(--text-muted);font-style:italic}.electure-viz-tree{padding:1rem}.tree-display{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.tree-level{display:flex;gap:1rem;justify-content:center}.tree-node{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;box-shadow:0 4px 12px #667eea4d;transition:all .3s ease}.tree-node.visited{background:linear-gradient(135deg,#2ed573,#26de81);box-shadow:0 0 15px #2ed57380}.tree-node.current{background:linear-gradient(135deg,gold,#ffb300);box-shadow:0 0 20px #ffd70099;transform:scale(1.15)}.electure-viz-pathfinding{padding:1rem;text-align:center}.pathfinding-label{font-size:1.1rem;font-weight:600;color:var(--text-dark);margin-bottom:1rem}.pathfinding-grid{display:grid;grid-template-columns:repeat(8,35px);gap:3px;justify-content:center;margin-bottom:1rem}.pf-cell{width:35px;height:35px;background:#667eea26;border-radius:6px;border:1px solid rgba(102,126,234,.3);transition:all .3s ease}.pf-cell.start{background:linear-gradient(135deg,#2ed573,#26de81);box-shadow:0 0 10px #2ed57380}.pf-cell.goal{background:linear-gradient(135deg,#ff6b6b,#ee5a24);box-shadow:0 0 10px #ff6b6b80}.pf-cell.explored{background:#667eea80;animation:cellExplore .3s ease}.pf-cell.wall{background:linear-gradient(135deg,#2f3640,#353b48);box-shadow:inset 0 2px 4px #0000004d}.pf-cell.path{background:linear-gradient(135deg,#f9ca24,#f0932b);box-shadow:0 0 12px #f9ca2499;animation:pathGlow .5s ease}.pf-cell.current{background:linear-gradient(135deg,#00d2d3,#01a3a4);box-shadow:0 0 15px #00d2d3b3;transform:scale(1.1)}.pf-cell.frontier{background:#667eea4d;border:2px solid #667eea}@keyframes cellExplore{0%{transform:scale(.8);opacity:.5}to{transform:scale(1);opacity:1}}@keyframes pathGlow{0%{transform:scale(.9)}50%{transform:scale(1.1)}to{transform:scale(1)}}.pf-legend{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;font-size:.8rem;color:var(--text-muted)}.pf-legend-item{display:flex;align-items:center;gap:6px}.pf-dot{width:12px;height:12px;border-radius:3px}.pf-dot.start{background:linear-gradient(135deg,#2ed573,#26de81)}.pf-dot.goal{background:linear-gradient(135deg,#ff6b6b,#ee5a24)}.pf-dot.explored{background:#667eea99}.pf-dot.path{background:linear-gradient(135deg,#f9ca24,#f0932b)}.pf-dot.wall{background:linear-gradient(135deg,#2f3640,#353b48)}.electure-viz-arrays{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;padding:1rem}.array-group{display:flex;gap:4px;padding:.5rem;background:#667eea1a;border-radius:8px;border:1px solid rgba(102,126,234,.3)}.array-cell{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.5rem .75rem;border-radius:6px;font-weight:600;font-size:.9rem;min-width:35px;text-align:center}.stack-item.popping{animation:popOut .4s ease}@keyframes popOut{0%{transform:translate(0);opacity:1}to{transform:translate(50px);opacity:0}}.electure-start-overlay{position:absolute;inset:0;background:#0f172a99;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:50;display:flex;align-items:center;justify-content:center;border-radius:20px;animation:fadeIn .3s ease-out}.electure-start-overlay.fading-out{animation:fadeOut .5s ease-out forwards}.start-btn-container{transform:scale(1);transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.start-btn-container:hover{transform:scale(1.05)}.electure-big-play-btn{background:#6366f1;border:none;border-radius:12px;padding:1.25rem 3rem;display:flex;align-items:center;gap:1rem;color:#fff;font-family:Inter,sans-serif;font-size:1.25rem;font-weight:700;cursor:pointer;box-shadow:0 4px 12px #6366f140;transition:all .2s cubic-bezier(.4,0,.2,1)}.electure-big-play-btn:hover{background:#4f46e5;box-shadow:0 8px 24px #6366f159;transform:translateY(-2px)}.electure-big-play-btn:active{transform:translateY(0)}.big-play-icon{font-size:1.5rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}