html,body{height:100%;overflow:hidden;margin:0}#laser-canvas{position:fixed;inset:0;pointer-events:none;z-index:9997}@keyframes laser-pulse{0%{box-shadow:0 0 0 3px #ff262659,0 0 14px 6px #ff26264d}50%{box-shadow:0 0 0 7px #ff26261f,0 0 26px 12px #ff262633}to{box-shadow:0 0 0 3px #ff262659,0 0 14px 6px #ff26264d}}#laser-dot{display:none;position:fixed;width:14px;height:14px;border-radius:50%;background:#ff1e1ef2;box-shadow:0 0 0 3px #ff262659,0 0 14px 6px #ff26264d;animation:laser-pulse 1.1s ease-in-out infinite;pointer-events:none;z-index:9999;transform:translate(-50%,-50%)}[data-laser=true] .slides-viewport{cursor:none}[data-laser=true]{user-select:none}#deck-laser-toggle[data-active=true]{background:#ff26261f;color:#e02020;border-color:#dc282880}#deck-theme-toggle .icon-sun{display:none}#deck-theme-toggle .icon-moon,[data-theme=dark] #deck-theme-toggle .icon-sun{display:block}[data-theme=dark] #deck-theme-toggle .icon-moon,#deck-fullscreen-toggle .icon-compress{display:none}#deck-fullscreen-toggle .icon-expand,[data-fullscreen=true] #deck-fullscreen-toggle .icon-compress{display:block}[data-fullscreen=true] #deck-fullscreen-toggle .icon-expand{display:none}.deck{display:flex;flex-direction:column;height:100dvh;background:var(--color-bg);overflow:hidden}.deck-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;gap:1rem;min-height:44px}.deck-heading{font-family:var(--font-heading);font-size:clamp(.99rem,1.65vw,1.21rem);font-weight:900;letter-spacing:-.02em;color:var(--color-text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.deck-hint{font-family:var(--font-heading);font-size:.75rem;color:var(--color-text-tertiary);white-space:nowrap}@media(max-width:600px){.deck-hint{display:none}}.deck-controls{display:flex;align-items:center;gap:.375rem;flex-shrink:0}.deck-counter{font-family:var(--font-heading);font-size:.8125rem;color:var(--color-text-tertiary);min-width:4.5rem;text-align:center;user-select:none}.deck-btn{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:1px solid var(--color-border);border-radius:6px;background:transparent;color:var(--color-text);cursor:pointer;transition:background .15s,border-color .15s;text-decoration:none;padding:0}.deck-btn:hover:not(:disabled){background:var(--color-border)}.deck-btn:disabled{opacity:.3;cursor:not-allowed}.deck-exit{margin-left:.25rem;color:var(--color-text-secondary)}.progress-track{height:3px;background:var(--color-border);flex-shrink:0}.progress-fill{height:100%;background:var(--color-link);width:0%;transition:width .3s ease}.slides-viewport{flex:1;position:relative;overflow:hidden}.slide{position:absolute;inset:0;display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:opacity .2s ease}.slide.active{opacity:1;pointer-events:auto}.title-slide{align-items:flex-start;justify-content:center;padding:4rem clamp(2rem,10vw,8rem)}.title-content{max-width:760px;width:100%}.title-label{font-family:var(--font-heading);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-link);margin-bottom:1.25rem}.title-h1{font-family:var(--font-heading);font-size:clamp(1.75rem,5vw,3rem);font-weight:700;letter-spacing:-.03em;line-height:1.15;color:var(--color-text);margin-bottom:1.25rem}.title-desc{font-family:var(--font-body);font-size:clamp(.95rem,2vw,1.15rem);color:var(--color-text-secondary);line-height:1.65;margin-bottom:1.5rem;max-width:600px}.title-date{font-family:var(--font-heading);font-size:.8125rem;color:var(--color-text-tertiary)}.slide-body{flex:1;overflow-y:auto;padding:1.25rem clamp(1rem,5vw,4rem);scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}.slide-h2{font-family:var(--font-heading);font-size:clamp(1.2rem,3vw,1.875rem);font-weight:700;letter-spacing:-.025em;line-height:1.25;color:var(--color-text);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid var(--color-border)}.slide-body p{font-family:var(--font-body);font-size:1rem;line-height:1.75;color:var(--color-text);margin-bottom:1.25em}.slide-body h3{font-family:var(--font-heading);font-size:1.15rem;font-weight:600;letter-spacing:-.01em;color:var(--color-text);margin-top:1.75em;margin-bottom:.5em}.slide-body h4{font-family:var(--font-heading);font-size:1rem;font-weight:600;color:var(--color-text);margin-top:1.5em;margin-bottom:.4em}.slide-body ul,.slide-body ol{padding-left:1.5em;margin-bottom:1.25em;font-family:var(--font-body);line-height:1.75;color:var(--color-text)}.slide-body li{margin-bottom:.3em}.slide-body li::marker{color:var(--color-text-tertiary)}.slide-body code:not(pre code){font-family:var(--font-mono);font-size:.875em;background:var(--color-code-bg);padding:.15em .4em;border-radius:4px;color:var(--color-text)}.slide-body pre{margin-bottom:1.25em;border-radius:8px;overflow-x:auto;padding:1rem 1.25rem}.slide-body pre code{font-family:var(--font-mono);font-size:.85rem;line-height:1.6;counter-reset:line}.slide-body pre code>.line:before{counter-increment:line;content:counter(line);display:inline-block;width:2ch;margin-right:1.5ch;text-align:right;color:var(--color-text-tertiary);opacity:.45;user-select:none;font-size:inherit}.slide-body blockquote{border-left:3px solid var(--color-text-tertiary);padding:.75em 1.25em;margin:1.5em 0;background:var(--color-surface);border-radius:0 4px 4px 0;color:var(--color-text-secondary);font-style:italic}.slide-body blockquote p:last-child{margin-bottom:0}.slide-body table{width:100%;border-collapse:collapse;font-size:.9rem;margin-bottom:1.25em;display:block;overflow-x:auto}.slide-body th,.slide-body td{padding:.5em .875em;border:1px solid var(--color-border);text-align:left;font-family:var(--font-heading)}.slide-body th{background:var(--color-surface);font-weight:600}.slide-body a{color:var(--color-link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:var(--color-text-tertiary);transition:color .15s,text-decoration-color .15s}.slide-body a:hover{color:var(--color-link-hover);text-decoration-color:var(--color-link-hover)}.slide-body strong{font-weight:700;color:var(--color-text)}.slide-body em{font-style:italic}.slide-body hr{border:none;border-top:1px solid var(--color-border);margin:1.5em 0}.slide-body img{max-width:100%;height:auto;border-radius:6px;margin:1em 0}.slide-body .mermaid{margin:1.5em 0;text-align:center;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;padding:1rem;overflow-x:auto;position:relative;transition:opacity .15s ease}.slide-body .mermaid.mermaid-loading{pointer-events:none;min-height:120px;color:transparent;overflow:hidden}.slide-body .mermaid.mermaid-loading svg{opacity:.3}.slide-body .mermaid.mermaid-loading:after{content:"";position:absolute;top:50%;left:50%;width:36px;height:36px;margin:-18px 0 0 -18px;border:4px solid var(--color-border);border-top-color:var(--color-text-secondary);border-radius:50%;animation:slide-mermaid-spin .6s linear infinite}@keyframes slide-mermaid-spin{to{transform:rotate(360deg)}}.slide-body .mermaid{max-height:55vh;overflow:auto}.slide-body .mermaid svg{max-width:100%;max-height:55vh;height:auto;width:auto}.slide-body .mermaid .commit-label-bkg{opacity:.85;stroke:var(--color-text-secondary);stroke-width:1px;stroke-dasharray:4 2;rx:4;ry:4;height:22px;transform:translateY(-3px)}.slide-body .mermaid .commit-label{font-size:14px!important;font-weight:600}.slide-body .mermaid .arrow{stroke-width:4!important}.slide-body .mermaid [class*=commit-highlight-outer]{stroke:var(--color-text-secondary)!important;fill:var(--color-surface)!important}.slide-body .mermaid .commit-highlight-inner{stroke:var(--color-text-tertiary)!important;fill:var(--color-text-tertiary)!important}.slide-badge{flex-shrink:0;font-family:var(--font-heading);font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-tertiary);padding:.3rem clamp(2rem,10vw,8rem);border-top:1px dashed var(--color-border);user-select:none}.slide-badge--from{border-top:none;border-bottom:1px dashed var(--color-border);text-align:left}.slide-badge--more{text-align:right}#deck-split-toggle[data-active=true]{background:var(--color-border);border-color:var(--color-text-tertiary)}.end-slide{align-items:center;justify-content:center}.end-content{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:640px;padding:2rem;gap:1.125rem}.end-ornament{display:flex;align-items:center;gap:.875rem;margin-bottom:.5rem}.end-ornament-line{display:block;width:56px;height:1px;background:var(--color-text-tertiary)}.end-ornament-diamond{display:block;width:8px;height:8px;background:var(--color-link);transform:rotate(45deg);flex-shrink:0}.end-eyebrow{font-family:var(--font-heading);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-link);margin:0}.end-heading{font-family:var(--font-heading);font-size:clamp(2.75rem,9vw,5.5rem);font-weight:700;letter-spacing:-.04em;line-height:1.05;color:var(--color-text);margin:0}.end-subtitle{font-family:var(--font-body);font-size:clamp(.875rem,1.5vw,1rem);color:var(--color-text-secondary);margin:0;max-width:480px;line-height:1.65;font-style:italic}.end-link{font-family:var(--font-heading);font-size:.875rem;font-weight:600;color:var(--color-link);text-decoration:none;border:1px solid var(--color-border);padding:.5rem 1.375rem;border-radius:6px;margin-top:.625rem;transition:background .15s,border-color .15s,color .15s}.end-link:hover{background:var(--color-border);border-color:var(--color-text-tertiary);color:var(--color-link-hover)}@keyframes end-slide-in{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.end-slide.active .end-content{animation:end-slide-in .45s cubic-bezier(.22,1,.36,1) forwards}