:root{--bg: #f8faff;--bg2: #eef4ff;--bg3: #e0ecff;--surface: #ffffff;--border: #c8ddf5;--text: #1a2b4a;--muted: #5a6f8a;--dim: #8da0b8;--accent: #2563eb;--accent-light: #3b82f6;--cyan: #0ea5e9;--emerald: #059669;--rose: #e11d48;--amber: #d97706;--blue: #1d4ed8;--d1: #2563eb;--d2: #059669;--d3: #7c3aed;--d4: #ea580c;--d5: #e11d48;--d6: #0891b2;--d7: #4f46e5;--font: "Space Grotesk", sans-serif;--mono: "JetBrains Mono", monospace;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1)}@property --theme{syntax: "<color>"; inherits: true; initial-value: #2563eb;}@property --angle{syntax: "<angle>"; inherits: false; initial-value: 0deg;}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font)}.presentation{width:100vw;height:100vh;position:relative;overflow:hidden;isolation:isolate;transition:--theme .9s ease}.slide{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;padding:60px 80px;opacity:0;transform:perspective(1400px) translate(12%) rotateY(-14deg) scale(.92);filter:blur(10px);transition:opacity .7s var(--ease-out),transform .9s var(--ease-out),filter .7s var(--ease-out);pointer-events:none;overflow-x:hidden}.slide.active{opacity:1;transform:none;filter:none;pointer-events:all}.slide.exit-left{opacity:0;transform:perspective(1400px) translate(-12%) rotateY(14deg) scale(.92)}.progress-bar{position:fixed;bottom:0;left:0;height:4px;background:linear-gradient(90deg,var(--cyan),var(--theme),#6366f1,var(--cyan));background-size:300% 100%;animation:shimmer 6s linear infinite;transition:width .8s var(--ease-out);z-index:100;box-shadow:0 0 14px color-mix(in srgb,var(--theme) 60%,transparent);border-radius:0 2px 2px 0}.progress-bar:after{content:"";position:absolute;right:-5px;top:50%;width:10px;height:10px;border-radius:50%;background:#fff;transform:translateY(-50%);box-shadow:0 0 0 3px var(--theme),0 0 18px 4px var(--theme)}.bottom-controls{position:fixed;bottom:18px;right:30px;display:flex;align-items:center;gap:8px;z-index:101}.nav-btn{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.8);background:#ffffff8c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 16px #2563eb14;color:var(--theme);cursor:pointer;transition:transform .25s var(--ease-spring),box-shadow .25s,background .25s}.nav-btn:hover{transform:scale(1.12);background:#fff;box-shadow:0 6px 20px color-mix(in srgb,var(--theme) 25%,transparent)}.nav-btn:focus-visible{outline:2px solid var(--theme);outline-offset:2px}.slide-counter{font-size:.75rem;color:var(--dim);font-family:var(--mono);padding:5px 12px;border-radius:20px;background:#ffffff8c;border:1px solid rgba(255,255,255,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 16px #2563eb14}.counter-num{display:inline-block;color:var(--theme);font-weight:700;animation:bounceIn .5s var(--ease-spring)}.nav-hint{position:fixed;bottom:20px;left:30px;font-size:.7rem;color:var(--dim);font-family:var(--mono);z-index:50}.tap-zone{position:fixed;top:0;height:100%;width:5%;z-index:100;cursor:pointer;-webkit-tap-highlight-color:transparent}.tap-zone-left{left:0}.tap-zone-right{right:0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideFromLeft{0%{opacity:0;transform:translate(-60px)}to{opacity:1;transform:translate(0)}}@keyframes slideFromRight{0%{opacity:0;transform:translate(60px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes glowPulse{0%,to{box-shadow:0 0 20px #2563eb26}50%{box-shadow:0 0 40px #2563eb4d}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes typeIn{0%{width:0}to{width:100%}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes rotateGradient{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes bounceIn{0%{transform:scale(0);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}@keyframes drawLine{0%{stroke-dashoffset:1000}to{stroke-dashoffset:0}}@keyframes blurUp{0%{opacity:0;transform:translateY(36px) scale(.97);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}@keyframes itemIn{0%{opacity:0;transform:translate(-24px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}@keyframes wordRise{0%{opacity:0;transform:translateY(70%) rotateX(-80deg);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}@keyframes growX{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes ripple{0%{transform:scale(1);opacity:.55}to{transform:scale(2.3);opacity:0}}@keyframes spin{to{--angle: 360deg}}@keyframes sweep{0%,60%{transform:translate(-120%) skew(-20deg)}to{transform:translate(320%) skew(-20deg)}}.animate-in-delay-1{--delay: .12s}.animate-in-delay-2{--delay: .24s}.animate-in-delay-3{--delay: .36s}.animate-in-delay-4{--delay: .48s}.animate-in-delay-5{--delay: .6s}.animate-in-delay-6{--delay: .72s}.slide.active [class*=animate-in]{animation:blurUp .8s var(--ease-out) var(--delay, 0s) backwards}.slide.active .animate-scale{animation:bounceIn .8s var(--ease-spring) backwards}.slide.active .animate-left{animation:slideFromLeft .6s var(--ease-out) backwards}.slide.active .animate-right{animation:slideFromRight .6s var(--ease-out) backwards}.title-slide{text-align:center;position:relative;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center}.title-slide:before{content:"";position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.14) 0%,rgba(14,165,233,.06) 40%,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);animation:haloBreathe 5s ease-in-out infinite;z-index:-1}@keyframes haloBreathe{0%,to{transform:translate(-50%,-50%) scale(1);opacity:.8}50%{transform:translate(-50%,-50%) scale(1.12);opacity:1}}.orbit{position:absolute;top:50%;left:50%;border-radius:50%;border:1px dashed rgba(37,99,235,.22);pointer-events:none;z-index:-1;animation:rotateGradient 40s linear infinite}.orbit:after{content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#0ea5e9);box-shadow:0 0 14px 3px #0ea5e999}.orbit-1{width:520px;height:520px;margin:-260px 0 0 -260px}.orbit-2{width:760px;height:760px;margin:-380px 0 0 -380px;border-color:#7c3aed26;animation-duration:70s;animation-direction:reverse}.orbit-2:after{background:linear-gradient(135deg,#7c3aed,#e11d48);box-shadow:0 0 14px 3px #7c3aed80}.title-logo{width:80px;height:80px;border-radius:20px;display:grid;place-items:center;font-size:1.8rem;font-weight:700;color:#fff;margin:0 auto 30px;box-shadow:0 8px 24px #2563eb40;position:relative}.title-logo:before{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:24px;background:conic-gradient(from var(--angle),#2563eb,#0ea5e9,#7c3aed,#e11d48,#2563eb);z-index:-2;filter:blur(10px);opacity:.75;animation:spin 4s linear infinite}.title-logo:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:linear-gradient(135deg,#2563eb,#0ea5e9);z-index:-1}.slide.active .title-logo{animation:bounceIn .9s var(--ease-spring) backwards,float 3s ease-in-out .9s infinite}.title-main{font-size:3.5rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:12px;color:var(--text);perspective:600px}.title-main .word{display:inline-block;margin:0 .14em;padding-bottom:.08em;background:linear-gradient(110deg,#1e3a5f,#2563eb 30%,#0ea5e9,#7c3aed 60%,#1e3a5f);background-size:250% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;transform-origin:50% 100%;animation:shimmer 8s linear infinite}.slide.active .title-main .word{animation:wordRise .9s var(--ease-out) calc(.2s + var(--i) * .12s) backwards,shimmer 8s linear infinite}.title-sub{font-size:1.3rem;color:var(--muted);margin-bottom:40px;font-weight:400}.title-credits{font-size:.8rem;color:var(--dim);margin-top:30px;line-height:1.6}.slide-header{width:80%;min-width:80%;margin-bottom:30px;position:relative}.slide-header:after{content:"";display:block;width:72px;height:4px;margin-top:14px;border-radius:2px;background:linear-gradient(90deg,var(--theme),var(--cyan));box-shadow:0 0 12px color-mix(in srgb,var(--theme) 50%,transparent);transform-origin:left}.slide.active .slide-header:after{animation:growX .9s var(--ease-out) .35s backwards}.slide-header h2{font-size:2.4rem;font-weight:800;letter-spacing:-.02em;margin-bottom:8px;background:linear-gradient(110deg,#1e3a5f 0%,var(--theme) 40%,#0ea5e9 55%,#1e3a5f 100%);background-size:250% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 10s linear infinite}.slide-header .subtitle{font-size:1.1rem;color:var(--muted)}.slide-content{width:80%;min-width:80%;flex:1;display:flex;flex-direction:column;justify-content:flex-start;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.exam-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:30px}.exam-stat{background:#ffffffb3;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.9);border-radius:16px;padding:22px 16px;text-align:center;transition:transform .25s var(--ease-out),box-shadow .3s;position:relative;box-shadow:0 4px 20px #2563eb14,inset 0 1px #fff;transform:perspective(700px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg))}.exam-stat:hover{transform:perspective(700px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-6px) scale(1.04);box-shadow:0 18px 40px #2563eb33,inset 0 1px #fff}.exam-stat:not(:hover){--rx: 0deg;--ry: 0deg}.exam-stat .number{font-size:2.4rem;font-weight:800;font-family:var(--mono);font-variant-numeric:tabular-nums;background:linear-gradient(135deg,#2563eb,#0ea5e9 60%,#7c3aed);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.exam-stat .label{font-size:.72rem;color:var(--muted);margin-top:8px;text-transform:uppercase;letter-spacing:.06em}.toc-list{list-style:none;width:100%}.toc-item{display:flex;align-items:center;gap:18px;padding:16px 22px;margin:6px 0;border-radius:12px;background:var(--surface);border:1px solid var(--border);cursor:pointer;transition:all .3s;box-shadow:0 2px 6px #2563eb0a}.toc-item:hover{transform:translate(6px);background:linear-gradient(90deg,rgba(37,99,235,.04) 0%,transparent 100%);box-shadow:0 4px 16px #2563eb1f}.toc-badge{width:40px;height:40px;border-radius:4px;display:grid;place-items:center;font-weight:800;font-size:1rem;color:#fff;flex-shrink:0;font-family:var(--mono)}.toc-text h3{font-size:1.05rem;margin-bottom:2px}.toc-text span{font-size:.8rem;color:var(--muted)}.domain-title-slide{text-align:center;position:relative}.domain-watermark{position:absolute;top:-40px;left:0;right:0;text-align:center;font-size:18rem;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:2px color-mix(in srgb,var(--c) 14%,transparent);pointer-events:none;z-index:-1;font-family:var(--mono)}.slide.active .domain-watermark{animation:scaleIn 1.4s var(--ease-out) backwards}.domain-big-badge{position:relative;width:90px;height:90px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:2.2rem;color:#fff;margin:0 auto 24px;animation:float 3s ease-in-out infinite;box-shadow:0 12px 36px color-mix(in srgb,var(--c) 45%,transparent),inset 0 -6px 14px #00000026,inset 0 6px 14px #ffffff59}.domain-big-badge:before,.domain-big-badge:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid var(--c);animation:ripple 2.6s var(--ease-out) infinite;z-index:-1}.domain-big-badge:after{animation-delay:1.3s}.domain-title-slide h2{font-size:2.8rem;font-weight:800;margin-bottom:12px;background:linear-gradient(135deg,#1e3a5f,var(--c));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.domain-title-slide .weight{font-size:1.1rem;color:var(--muted);margin-bottom:20px}.domain-title-slide .desc{font-size:1.1rem;color:var(--muted);max-width:80%;margin:0 auto;line-height:1.6}.task-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:.7rem;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:.08em;text-transform:uppercase;font-family:var(--mono);position:relative;overflow:hidden;box-shadow:0 4px 14px color-mix(in srgb,var(--theme) 40%,transparent)}.task-badge:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;width:35%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:sweep 3.5s ease-in-out infinite}.bullet-list{list-style:none;padding:0}.bullet-list li{position:relative;padding:4px 0 4px 28px;font-size:1.05rem;line-height:1.7;color:var(--text);border-left:none;margin-left:0;margin-bottom:4px}.bullet-list li:before{content:"→";position:absolute;left:4px;top:4px;color:var(--theme);font-size:.85rem;font-family:var(--mono);transition:transform .25s var(--ease-spring)}.bullet-list li:hover:before{transform:translate(4px)}.slide.active .bullet-list li{animation:itemIn .6s var(--ease-out) calc(.25s + var(--i, 0) * .07s) backwards}.bullet-list li strong{color:var(--accent)}.code-block{background:linear-gradient(160deg,#0f172a,#1e1b4b);border:1px solid rgba(99,102,241,.35);border-radius:12px;padding:40px 24px 20px;margin:18px 0;overflow-x:auto;font-family:var(--mono);font-size:.78rem;line-height:1.7;min-height:128px;color:#c7d2fe;white-space:pre-wrap;word-break:break-word;box-shadow:0 18px 40px #1e1b4b40,inset 0 1px #ffffff0f;position:relative}.code-block:before{content:"";position:absolute;top:14px;left:18px;width:10px;height:10px;border-radius:50%;background:#f43f5e;box-shadow:16px 0 #f59e0b,32px 0 #10b981}.code-block:after{content:"CODE";position:absolute;top:10px;right:14px;font-size:.6rem;color:#818cf8;letter-spacing:.14em}.content-section{width:100%}.content-section+.content-section{margin-top:6px;padding-top:6px}.section-heading{font-size:1.15rem;font-weight:700;font-style:italic;letter-spacing:-.01em;margin-bottom:6px}.section-text{font-size:1rem;color:var(--muted);font-style:italic;line-height:1.7;margin:10px 0}.section-text strong{color:var(--text);font-style:normal}.section-text code{font-family:var(--mono);background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:.9em;color:var(--accent);font-style:normal}.callout{border-radius:14px;padding:16px 22px;margin:18px 0;border:none;font-size:1rem;line-height:1.7;position:relative;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1.5px solid transparent;background:linear-gradient(135deg,var(--fill) 0%,#fafcff 100%) padding-box,conic-gradient(from var(--angle),color-mix(in srgb,var(--edge) 15%,transparent),var(--edge),var(--edge-2),color-mix(in srgb,var(--edge) 15%,transparent) 40%,color-mix(in srgb,var(--edge) 15%,transparent)) border-box;animation:spin 6s linear infinite;box-shadow:0 8px 28px color-mix(in srgb,var(--edge) 10%,transparent);transition:transform .3s var(--ease-out),box-shadow .3s}.callout:hover{transform:translateY(-2px);box-shadow:0 12px 30px color-mix(in srgb,var(--edge) 18%,transparent)}.callout:before{display:none}.callout-key{--fill: #eff4ff;--edge: var(--accent);--edge-2: var(--cyan)}.callout-tip{--fill: #eefaff;--edge: var(--cyan);--edge-2: var(--accent)}.callout-warn{--fill: #fff7ed;--edge: var(--amber);--edge-2: var(--rose)}.callout strong{color:var(--accent);font-weight:600}.exam-box{border-radius:14px;padding:16px 22px;margin:18px 0;border:none;line-height:1.7;position:relative;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1.5px solid transparent;background:linear-gradient(135deg,#f1f0ff,#fafaff) padding-box,conic-gradient(from var(--angle),rgba(79,70,229,.15),#4f46e5,#0ea5e9,rgba(79,70,229,.15) 40%,rgba(79,70,229,.15)) border-box;animation:spin 6s linear infinite;box-shadow:0 8px 28px #4f46e51a}.slide.active :is(.exam-box,.callout)[class*=animate-in]{animation:blurUp .8s var(--ease-out) var(--delay, 0s) backwards,spin 6s linear infinite}.exam-label{color:#4f46e5;font-family:var(--mono);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.exam-text{font-size:1rem;line-height:1.7}.exam-box .bullet-list{margin:0}.exam-box strong{color:#4f46e5;font-weight:600}.principles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;width:100%}.principle-card{display:flex;align-items:flex-start;gap:16px;background:linear-gradient(135deg,#2563eb0f,#2563eb05);border:none;border-radius:14px;padding:16px 20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.principle-num{flex-shrink:0;font-family:var(--mono);font-size:1.9rem;font-weight:700;line-height:1;color:var(--accent);opacity:.42;min-width:42px;padding-top:2px}.principle-body{display:flex;flex-direction:column;gap:5px;min-width:0}.principle-title{font-size:1.02rem;font-weight:600;color:var(--accent);line-height:1.35;letter-spacing:-.01em}.principle-text{font-size:.9rem;line-height:1.55;color:var(--muted)}.principle-text code,.principle-title code{font-family:var(--mono);font-size:.85em;background:var(--bg3);color:var(--accent);padding:1px 5px;border-radius:5px}@media (max-width: 900px){.principles-grid{grid-template-columns:1fr;gap:10px}.principle-num{font-size:1.6rem;min-width:36px}}.example-box{background:linear-gradient(135deg,#05966912,#fff6);box-shadow:0 6px 22px #05966912;border:1px solid rgba(5,150,105,.2);border-radius:10px;padding:18px 22px 18px 46px;margin:18px 0;position:relative}.example-box:before{content:"💡";position:absolute;left:14px;top:18px;font-size:1rem}.example-box h4{color:var(--emerald);font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;font-family:var(--mono)}.example-box p{font-size:1rem;color:var(--muted);line-height:1.7}.slide-table{width:100%;border-collapse:separate;border-spacing:0 6px;font-size:.95rem;margin:12px 0}.slide-table th,.slide-table td{padding:12px 18px;text-align:left;border-bottom:none}.slide-table th{color:var(--accent);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:600;padding-bottom:8px;border-bottom:2px solid var(--border)}.slide-table tbody tr{background:var(--surface);border-radius:8px;transition:all .25s;box-shadow:0 1px 3px #2563eb0a}.slide-table tbody tr td:first-child{border-radius:8px 0 0 8px}.slide-table tbody tr td:last-child{border-radius:0 8px 8px 0}.slide-table tbody tr:hover{background:#2563eb0d;transform:translate(4px);box-shadow:-4px 0 0 var(--theme),0 6px 18px #2563eb1a}.slide.active .slide-table tbody tr{animation:itemIn .55s var(--ease-out) calc(.3s + var(--i, 0) * .07s) backwards}.flashcard-header{width:100%!important;min-width:100%!important;text-align:center;display:flex;flex-direction:column;align-items:center;flex-shrink:0;margin-bottom:12px}.flashcard-header 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