.slide pre.mermaid{background:transparent;border:none;box-shadow:none;padding:0;border-radius:0;text-align:center;margin:.5em auto;width:100%}.slide .mermaid svg{width:100%;max-width:100%;height:auto;margin:0 auto;display:block;background:transparent!important}[data-slide-theme=light]{--slide-bg: #ffffff;--slide-bg-gradient: linear-gradient(160deg, #ffffff 0%, #f8fafc 100%);--slide-text: #475569;--slide-heading: #0f172a;--slide-heading-border: #e2e8f0;--slide-accent: #2563eb;--slide-muted: #94a3b8;--slide-bullet: #cbd5e1;--slide-strong: #0f172a;--slide-blockquote-border: #2563eb;--slide-blockquote-text: #64748b;--slide-link: #2563eb;--slide-link-hover: #1d4ed8;--slide-code-bg: #1e293b;--slide-code-text: #e2e8f0;--slide-code-shadow: 0 4px 16px rgba(0, 0, 0, .12);--slide-inline-code-bg: #f1f5f9;--slide-inline-code-text: #1e40af;--slide-table-header-bg: #f8fafc;--slide-table-border: #e2e8f0;--slide-table-cell-border: #f1f5f9;--slide-table-text: #475569;--slide-table-row-hover: #f8fafc;--slide-hr: #e2e8f0;--slide-progress-from: #3b82f6;--slide-progress-to: #8b5cf6;--slide-controls-bg: rgba(255, 255, 255, .85);--slide-controls-border: rgba(0, 0, 0, .06);--slide-controls-text: #64748b;--slide-controls-hover-bg: rgba(0, 0, 0, .04);--slide-toolbar-active-bg: rgba(37, 99, 235, .12);--slide-toolbar-active-text: #2563eb;--page-bg: #cbd5e1}[data-slide-theme=dark]{--slide-bg: #0f172a;--slide-bg-gradient: linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);--slide-text: #94a3b8;--slide-heading: #f1f5f9;--slide-heading-border: #1e293b;--slide-accent: #60a5fa;--slide-muted: #64748b;--slide-bullet: #475569;--slide-strong: #e2e8f0;--slide-blockquote-border: #3b82f6;--slide-blockquote-text: #64748b;--slide-link: #60a5fa;--slide-link-hover: #93c5fd;--slide-code-bg: #020617;--slide-code-text: #e2e8f0;--slide-code-shadow: 0 4px 16px rgba(0, 0, 0, .4);--slide-inline-code-bg: rgba(59, 130, 246, .1);--slide-inline-code-text: #93c5fd;--slide-table-header-bg: rgba(255, 255, 255, .03);--slide-table-border: #1e293b;--slide-table-cell-border: rgba(255, 255, 255, .04);--slide-table-text: #94a3b8;--slide-table-row-hover: rgba(255, 255, 255, .03);--slide-hr: #1e293b;--slide-progress-from: #60a5fa;--slide-progress-to: #a78bfa;--slide-controls-bg: rgba(15, 23, 42, .85);--slide-controls-border: rgba(255, 255, 255, .06);--slide-controls-text: #64748b;--slide-controls-hover-bg: rgba(255, 255, 255, .06);--slide-toolbar-active-bg: rgba(96, 165, 250, .15);--slide-toolbar-active-text: #60a5fa;--page-bg: #020617}[data-slide-theme]{background:var(--slide-bg-gradient, var(--slide-bg));color:var(--slide-text);box-shadow:6px 8px 20px #0000000f,12px 16px 48px var(--slide-card-shadow, rgba(0, 0, 0, .12));font-size:1.75rem;transition:background-color .3s ease,color .3s ease}[data-slide-theme=dark]{--slide-card-shadow: rgba(0, 0, 0, .5)}[data-slide-theme] h1,[data-slide-theme] h2,[data-slide-theme] h3,[data-slide-theme] h4{font-family:NanumSquareNeo,Pretendard,system-ui,sans-serif;color:var(--slide-heading);letter-spacing:-.02em;line-height:1.2}[data-slide-theme] h1{font-size:2.8em;font-weight:900;letter-spacing:-.04em;margin-bottom:.4em;-webkit-text-stroke:.6px var(--slide-heading);text-stroke:.6px var(--slide-heading)}[data-slide-theme] h2{font-size:2.2em;font-weight:900;margin-top:0;margin-bottom:.5em;padding-bottom:0;border-bottom:none}[data-slide-theme] h3{font-size:1.4em;font-weight:800;margin-top:.7em;margin-bottom:.3em}[data-slide-theme] h4{font-size:1.05em;font-weight:700;margin-top:.7em;margin-bottom:.25em}[data-slide-theme] p,[data-slide-theme] li{color:var(--slide-text);font-weight:400;line-height:1.4}[data-slide-theme] p{font-size:.95em;margin-top:.25em;margin-bottom:.25em}[data-slide-theme] li{font-size:.95em;margin-top:.1em;margin-bottom:.1em}[data-slide-theme] strong{font-family:NanumSquareNeo,Pretendard,system-ui,sans-serif;font-weight:800;color:var(--slide-strong)}[data-slide-theme] a{color:var(--slide-link);text-decoration:none;background-image:linear-gradient(#fef08a,#fef08a);background-size:100% 0px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .3s ease;padding-bottom:5px}[data-slide-theme] a:hover{text-decoration:none;background-size:100% 5px}[data-slide-theme] blockquote{border-left:4px solid var(--slide-blockquote-border);color:var(--slide-blockquote-text);font-size:1.05em;font-weight:500;font-style:normal;padding:.6em 0 .6em 1.4em;margin:1.4em 0}[data-slide-theme] ul>li::marker,[data-slide-theme] ol>li::marker{color:var(--slide-bullet)}[data-slide-theme] hr{border-color:var(--slide-hr)}[data-slide-theme] pre{box-shadow:var(--slide-code-shadow);border-radius:.75rem;padding:1.2rem 1.4rem;font-size:.82em;line-height:1.65;margin:1.4em 0;overflow-x:auto}[data-slide-theme] pre:not(.shiki):not(.mermaid){background-color:var(--slide-code-bg);color:var(--slide-code-text)}[data-slide-theme] pre.shiki{background-color:var(--slide-code-bg)!important}[data-slide-theme] pre.shiki code{background:transparent;padding:0;font-size:inherit;line-height:inherit}[data-slide-theme] :not(pre)>code{background-color:var(--slide-inline-code-bg);color:var(--slide-inline-code-text);padding:.15em .4em;border-radius:.3rem;font-size:.85em;font-weight:500}[data-slide-theme] table{font-size:.85em;border-collapse:separate;border-spacing:0}[data-slide-theme] thead th{background-color:var(--slide-table-header-bg);border-bottom:2px solid var(--slide-table-border);color:var(--slide-heading);font-family:NanumSquareNeo,Pretendard,system-ui,sans-serif;font-weight:700;font-size:.9em;letter-spacing:.01em;text-transform:none;padding:.75em 1em}[data-slide-theme] tbody td{border-bottom:1px solid var(--slide-table-cell-border);color:var(--slide-table-text);padding:.7em 1em}[data-slide-theme] tbody tr:hover td{background-color:var(--slide-table-row-hover)}[data-slide-theme] tbody tr:last-child td{border-bottom:none}.slide-controls-bar{background-color:var(--slide-controls-bg);border-top-color:var(--slide-controls-border);backdrop-filter:blur(12px)}.slide-controls-bar button,.slide-controls-bar span{color:var(--slide-controls-text);font-family:Pretendard,system-ui,sans-serif;font-size:.8rem}.slide-controls-bar button:hover:not(:disabled){background-color:var(--slide-controls-hover-bg)}[data-slide-theme] img{max-width:100%;height:auto;border-radius:.5rem;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:slide-img-shimmer 1.5s ease-in-out infinite;transition:opacity .3s ease}[data-slide-theme=dark] img{background:linear-gradient(90deg,#1e293b 25%,#334155,#1e293b 75%);background-size:200% 100%;animation:slide-img-shimmer 1.5s ease-in-out infinite}[data-slide-theme] img.loaded{background:none;animation:none}@keyframes slide-img-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.slide-cols{display:grid;gap:2rem;align-items:start;min-height:0}.slide-col{min-width:0;overflow-wrap:break-word}.slide-col>:first-child{margin-top:0}.slide-cols-header{display:flex;flex-direction:column}.slide-cols-header>.slide-col-header{flex-shrink:0;margin-bottom:.75rem}.slide-cols-header>.slide-cols{flex:1;min-height:0}.slide>h1:first-child,.slide>:first-child:is(h1){position:sticky;top:0;z-index:10;padding-top:1rem;padding-bottom:.75rem;margin-top:0;background:transparent}.slide.slide-heading-only>h1:first-child,.slide.slide-heading-only>:first-child:is(h1){position:static}[data-slide-theme=light] .slide[data-index="0"],[data-slide-theme=light] .slide.slide-heading-only{--slide-bg-gradient: linear-gradient(135deg, #ffffff 0%, #eff6ff 50%, #dbeafe 100%)}[data-slide-theme=light] .slide[data-index="0"] h1,[data-slide-theme=light] .slide.slide-heading-only h1{font-size:3.2em;background:linear-gradient(135deg,#1e40af,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;-webkit-text-stroke:0;text-stroke:0}[data-slide-theme=dark] .slide[data-index="0"],[data-slide-theme=dark] .slide.slide-heading-only{--slide-bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0f172a 100%)}[data-slide-theme=dark] .slide[data-index="0"] h1,[data-slide-theme=dark] .slide.slide-heading-only h1{font-size:3.2em;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 40px rgba(96,165,250,.3);-webkit-text-stroke:0;text-stroke:0}.slide-overlay-layer{position:absolute;inset:0;pointer-events:none;z-index:5}.slide-overlay{position:absolute;font-family:Pretendard,system-ui,sans-serif;font-size:.825rem;font-weight:400;color:var(--slide-muted);line-height:1;white-space:nowrap;-webkit-user-select:none;-moz-user-select:none;user-select:none}.slide-overlay-tl{top:1.2rem;left:2rem}.slide-overlay-tr{top:1.2rem;right:2rem}.slide-overlay-bl{bottom:1.2rem;left:2rem}.slide-overlay-br{bottom:1.2rem;right:2rem}.slide-overlay-bc{bottom:1.2rem;left:50%;transform:translate(-50%)}@media print{[data-slide-theme]{background:var(--slide-bg)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact;color-adjust:exact}.slide{page-break-after:always;-moz-column-break-after:page;break-after:page}.slide:last-child{page-break-after:avoid;-moz-column-break-after:avoid;break-after:avoid}#slide-controls,#mode-toolbar,#annotation-canvas,#help-button,#help-popup{display:none!important}.slide-overlay-layer{position:absolute;inset:0;pointer-events:none}#slides-container{padding-bottom:0!important}@page{size:landscape;margin:0}body{margin:0;padding:0}}#slide-progress-bar{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--slide-progress-from, #3b82f6),var(--slide-progress-to, #8b5cf6));transition:width .2s ease;z-index:100;width:0%}@media(display-mode:standalone){html{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);box-sizing:border-box}#slide-player{min-height:calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom))}}#slides-container{position:relative;overflow:hidden}#slide-player{overflow:hidden;touch-action:pan-y}.slide{display:none}.slide.active{display:flex;flex-direction:column;justify-content:flex-start;position:relative;aspect-ratio:16 / 9;overflow-y:auto;border-radius:1rem;box-shadow:0 32px 80px #0009}.slide.slide-transitioning{display:flex;flex-direction:column;justify-content:flex-start;aspect-ratio:16 / 9;overflow-y:auto;border-radius:1rem;box-shadow:0 32px 80px #0009;position:absolute;top:0;left:0;right:0;will-change:transform,opacity}#slide-player:fullscreen,#slide-player.is-fullscreen{--fullscreen-safe-top: 1.25rem;--fullscreen-safe-side: 1.25rem;--fullscreen-controls-space: 5.5rem;--fullscreen-toolbar-space: 4.5rem;--fullscreen-slide-max-h: calc( 100vh - var(--fullscreen-safe-top) - var(--fullscreen-controls-space) - var(--fullscreen-toolbar-space) );background:var(--slide-bg, white);overflow:hidden;padding:var(--fullscreen-safe-top) var(--fullscreen-safe-side) calc(var(--fullscreen-controls-space) + var(--fullscreen-toolbar-space)) var(--fullscreen-safe-side);box-sizing:border-box}#slide-player:fullscreen #slides-container,#slide-player.is-fullscreen #slides-container{min-height:var(--fullscreen-slide-max-h);height:var(--fullscreen-slide-max-h);display:flex;align-items:center;justify-content:center;padding-bottom:0!important}#slide-player:fullscreen .slide.active,#slide-player:fullscreen .slide.slide-transitioning,#slide-player.is-fullscreen .slide.active,#slide-player.is-fullscreen .slide.slide-transitioning{width:min(100%,calc(var(--fullscreen-slide-max-h) * 16 / 9));max-width:none;max-height:var(--fullscreen-slide-max-h);min-height:0;margin-left:auto;margin-right:auto}#slide-player:fullscreen .slide.slide-centered,#slide-player.is-fullscreen .slide.slide-centered{justify-content:center}.slide.slide-heading-only{justify-content:center}#slide-player:fullscreen #mode-toolbar,#slide-player.is-fullscreen #mode-toolbar{bottom:calc(var(--fullscreen-controls-space) + .75rem)}#slide-player:fullscreen #slides-list-button,#slide-player.is-fullscreen #slides-list-button{top:var(--fullscreen-safe-top);left:var(--fullscreen-safe-side)}#slide-player:fullscreen #help-button,#slide-player.is-fullscreen #help-button{top:var(--fullscreen-safe-top);right:var(--fullscreen-safe-side)}@media print{#slide-progress-bar,#slide-controls,#annotation-canvas,#mode-toolbar,#slides-list-button,#help-button,#help-popup{display:none!important}.slide{display:flex!important;flex-direction:column;justify-content:center;opacity:1!important;transform:none!important;page-break-after:always;-moz-column-break-after:page;break-after:page;min-height:90vh;padding:2rem}.slide:last-child{page-break-after:avoid;-moz-column-break-after:avoid;break-after:avoid}}#annotation-canvas{position:absolute;top:0;left:0;pointer-events:none;z-index:25}#mode-toolbar{position:fixed;bottom:3.5rem;left:50%;transform:translate(-50%);z-index:60;display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border-radius:1rem;background:var(--slide-controls-bg, rgba(255,255,255,.85));border:1px solid var(--slide-controls-border, rgba(0,0,0,.06));backdrop-filter:blur(12px);white-space:nowrap}#mode-toolbar .toolbar-divider{width:1px;height:20px;background:var(--slide-controls-border, rgba(0,0,0,.1));margin:0 .25rem;flex-shrink:0}#mode-toolbar button{padding:.3rem .6rem;border-radius:.5rem;border:none;background:transparent;cursor:pointer;font-size:.75rem;color:var(--slide-controls-text, #64748b);font-family:Pretendard,system-ui,sans-serif;transition:background-color .15s ease,color .15s ease;display:flex;align-items:center;gap:.25rem}#mode-toolbar button:hover{background-color:var(--slide-controls-hover-bg, rgba(0,0,0,.04))}#mode-toolbar button.active{background-color:var(--slide-toolbar-active-bg, rgba(37,99,235,.12));color:var(--slide-toolbar-active-text, #2563eb);font-weight:600}.color-swatch{width:16px;height:16px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,border-color .15s ease;flex-shrink:0}.color-swatch:hover{transform:scale(1.2)}.color-swatch.active{border-color:#fff;box-shadow:0 0 0 1px #0000004d;transform:scale(1.15)}.width-btn{cursor:pointer;display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:4px;border:none;background:transparent;padding:0;transition:background-color .15s ease}.width-btn:hover{background-color:var(--slide-controls-hover-bg, rgba(0,0,0,.04))}.width-btn.active{background-color:var(--slide-toolbar-active-bg, rgba(37,99,235,.12))}#slides-list-button{position:fixed;top:1rem;left:1rem;z-index:70;width:32px;height:32px;border-radius:50%;border:1px solid var(--slide-controls-border, rgba(0,0,0,.1));background:var(--slide-controls-bg, rgba(255,255,255,.85));backdrop-filter:blur(8px);color:var(--slide-controls-text, #64748b);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .15s ease;text-decoration:none}#slides-list-button:hover{background-color:var(--slide-controls-hover-bg, rgba(0,0,0,.08))}#help-button{position:fixed;top:1rem;right:1rem;z-index:70;width:32px;height:32px;border-radius:50%;border:1px solid var(--slide-controls-border, rgba(0,0,0,.1));background:var(--slide-controls-bg, rgba(255,255,255,.85));backdrop-filter:blur(8px);color:var(--slide-controls-text, #64748b);font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .15s ease}#help-button:hover{background-color:var(--slide-controls-hover-bg, rgba(0,0,0,.08))}#help-popup{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;background:#00000080;backdrop-filter:blur(4px)}#help-popup.hidden{display:none}#help-popup-card{background:var(--slide-controls-bg, rgba(255,255,255,.95));border:1px solid var(--slide-controls-border, rgba(0,0,0,.1));border-radius:1rem;padding:1.5rem;max-width:480px;width:90%;max-height:80vh;overflow-y:auto}#help-popup-card h3{margin:0 0 1rem;font-size:1rem;font-weight:700;color:var(--slide-heading, #0f172a);font-family:Pretendard,system-ui,sans-serif}#help-popup-card table{width:100%;border-collapse:collapse;font-size:.82rem;font-family:Pretendard,system-ui,sans-serif}#help-popup-card th{text-align:left;padding:.3rem .5rem;color:var(--slide-muted, #94a3b8);font-weight:600;border-bottom:1px solid var(--slide-controls-border, rgba(0,0,0,.08))}#help-popup-card td{padding:.35rem .5rem;color:var(--slide-controls-text, #64748b);border-bottom:1px solid var(--slide-controls-border, rgba(0,0,0,.04))}#help-popup-card td:first-child{font-weight:600;font-family:monospace;color:var(--slide-toolbar-active-text, #2563eb);white-space:nowrap}.mode-laser #annotation-canvas{cursor:none}.mode-text #annotation-canvas{cursor:text}.mode-draw #annotation-canvas{cursor:crosshair}.mode-highlight #annotation-canvas{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Crect x='4' y='10' width='16' height='8' rx='2' fill='%23FECA57' opacity='0.8'/%3E%3Crect x='10' y='4' width='4' height='8' rx='1' fill='%23999'/%3E%3C/svg%3E") 4 20,crosshair}.questions-btn-hidden[data-astro-cid-64dep6w2]{display:none!important}@keyframes eg-spin{to{transform:rotate(360deg)}}