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p{color:var(--slide-text-muted);font-size:clamp(.75rem,1vw,.9rem);line-height:1.5}.slide-image-split{background:var(--slide-bg)}.slide-image-split.left{flex-direction:row}.slide-image-split.right{flex-direction:row-reverse}.slide-image-placeholder{background:var(--slide-bg-alt);color:var(--slide-text-muted);cursor:pointer;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;display:flex;position:relative}.slide-image-placeholder svg{opacity:.35;width:clamp(28px,4vw,48px);height:clamp(28px,4vw,48px)}.slide-image-placeholder span{opacity:.45;letter-spacing:.05em;font-size:clamp(.6rem,1vw,.8rem)}.slide-image{object-fit:cover;flex:1;width:100%;min-width:0;height:100%;min-height:0}.slide-image-regen-btn{width:32px;height:32px;color:var(--text-inverse);cursor:pointer;opacity:0;z-index:5;background:#0009;border:none;border-radius:50%;justify-content:center;align-items:center;transition:opacity .2s,background 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h2{margin-bottom:.8em;font-size:clamp(1.2rem,2.2vw,2rem);font-weight:700}.slide-image-content p{color:var(--slide-text-secondary);font-size:clamp(.85rem,1.2vw,1.1rem);line-height:1.7}.slide-quote{text-align:center;background:var(--slide-bg);flex-direction:column;justify-content:center;align-items:center;padding:10% 12%;overflow:hidden}.slide-quote:before{content:"“";color:var(--slide-accent);opacity:.08;pointer-events:none;font-family:Georgia,serif;font-size:clamp(5rem,12vw,10rem);line-height:1;position:absolute;top:8%;left:8%}.slide-quote blockquote{max-width:80%;margin-bottom:1em;font-size:clamp(1.2rem,2.2vw,2rem);font-style:italic;font-weight:300;line-height:1.6}.slide-quote .slide-quote-author{color:var(--slide-accent);font-size:clamp(.85rem,1.2vw,1.1rem)}.slide-quote .slide-quote-context{color:var(--slide-text-muted);margin-top:.3em;font-size:clamp(.75rem,1vw,.9rem)}.slide-timeline{background:var(--slide-bg);flex-direction:column;justify-content:center;padding:8% 10%;overflow:hidden}.slide-timeline:before{background:radial-gradient(circle at 90% 10%, var(--slide-accent-soft) 0%, transparent 35%)}.slide-timeline h2{margin-bottom:1.2em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-timeline-track{border-left:2px solid var(--slide-accent);flex-direction:column;gap:1.2em;padding-left:2em;display:flex;position:relative}.slide-timeline-track:before{content:"";background:linear-gradient(180deg, var(--slide-accent-soft), transparent 30%, transparent 70%, var(--slide-accent-soft));filter:blur(4px);pointer-events:none;width:12px;position:absolute;top:0;bottom:0;left:-6px}.slide-timeline-event{position:relative}.slide-timeline-event:before{content:"";background:var(--slide-accent);width:12px;height:12px;box-shadow:0 0 10px var(--slide-accent-soft), 0 0 20px var(--slide-accent-soft);border-radius:50%;position:absolute;top:.35em;left:calc(-2em - 5px)}.slide-timeline-year{color:var(--slide-accent);font-size:clamp(.9rem,1.3vw,1.15rem);font-weight:700}.slide-timeline-text{color:var(--slide-text-secondary);margin-top:.2em;font-size:clamp(.8rem,1.1vw,1rem)}.slide-stats{background:var(--slide-bg);flex-direction:column;justify-content:center;align-items:center;padding:8% 10%;overflow:hidden}.slide-stats:before{background:radial-gradient(ellipse at 50% 60%, var(--slide-accent-soft) 0%, transparent 50%)}.slide-stats h2{text-align:center;margin-bottom:1.5em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-stats-grid{gap:2em;width:100%;display:grid}.slide-stats-grid[data-cols="2"]{grid-template-columns:1fr 1fr}.slide-stats-grid[data-cols="3"]{grid-template-columns:1fr 1fr 1fr}.slide-stats-grid[data-cols="4"]{grid-template-columns:1fr 1fr 1fr 1fr}.slide-stat{text-align:center;background:var(--slide-card-bg);border-radius:var(--radius-lg);border:1px solid var(--slide-border);padding:1.2em;position:relative;overflow:hidden}.slide-stat:after{content:"";background:linear-gradient(90deg, transparent, var(--slide-accent), transparent);width:60%;height:2px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.slide-stat-value{color:var(--slide-accent);text-shadow:0 0 30px var(--slide-accent-soft);margin-bottom:.2em;font-size:clamp(1.8rem,3.5vw,3rem);font-weight:800}.slide-stat-label{color:var(--slide-text-muted);font-size:clamp(.8rem,1.1vw,1rem)}.slide-section{text-align:center;background:linear-gradient(135deg, var(--slide-bg-alt), var(--slide-bg));flex-direction:column;justify-content:center;align-items:center;padding:10%;overflow:hidden}.slide-section:before{background:radial-gradient(circle at 50% 50%, var(--slide-accent-soft) 0%, transparent 40%)}.slide-section:after{content:"";background:linear-gradient(90deg, transparent, var(--slide-accent-soft), var(--slide-accent), var(--slide-accent-soft), transparent);pointer-events:none;z-index:0;opacity:.4;height:1px;position:absolute;top:50%;left:15%;right:15%}.slide-section h2{margin-bottom:.3em;font-size:clamp(1.8rem,3.5vw,3rem);font-weight:700}.slide-section .slide-subtitle{color:var(--slide-text-muted);font-size:clamp(.9rem,1.5vw,1.3rem)}.slide-big-number{text-align:center;background:var(--slide-bg);flex-direction:column;justify-content:center;align-items:center;padding:8% 12%;overflow:hidden}.slide-big-number:before{background:radial-gradient(circle at 50% 45%, var(--slide-accent-soft) 0%, transparent 45%)}.slide-big-number h2{color:var(--slide-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5em;font-size:clamp(1rem,1.8vw,1.5rem);font-weight:600}.slide-big-value{color:var(--slide-accent);margin-bottom:.2em;font-size:clamp(3rem,8vw,7rem);font-weight:900;line-height:1.1}.slide-big-unit{color:var(--slide-text-secondary);margin-left:.1em;font-size:.4em;font-weight:600}.slide-big-desc{color:var(--slide-text-muted);max-width:70%;font-size:clamp(.9rem,1.4vw,1.2rem);line-height:1.6}.slide-icon-grid{background:var(--slide-bg);flex-direction:column;justify-content:center;padding:6% 8%;overflow:hidden}.slide-icon-grid:before{background:radial-gradient(circle at 10% 90%, var(--slide-accent-soft) 0%, transparent 30%), radial-gradient(circle at 90% 10%, var(--slide-accent-soft) 0%, transparent 25%)}.slide-icon-grid h2{text-align:center;margin-bottom:1.2em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-icon-grid-wrap{grid-template-rows:auto auto;grid-template-columns:repeat(3,1fr);gap:1em;width:100%;display:grid}.slide-icon-grid-item{background:var(--slide-card-bg);border-radius:var(--radius-md);text-align:center;border:1px solid var(--slide-border);padding:1.2em;transition:border-color .2s,box-shadow .2s;position:relative;overflow:hidden}.slide-icon-grid-item:before{content:"";background:var(--slide-accent);opacity:.5;pointer-events:none;border-radius:0 2px 2px 0;width:3px;position:absolute;top:20%;bottom:20%;left:0}.slide-icon-grid-icon{color:var(--slide-accent);margin-bottom:.4em;font-size:1.5em}.slide-icon-grid-item h3{margin-bottom:.3em;font-size:clamp(.8rem,1.1vw,1rem);font-weight:600}.slide-icon-grid-item p{color:var(--slide-text-muted);font-size:clamp(.7rem,.9vw,.85rem);line-height:1.4}.slide-comparison-table{background:var(--slide-bg);flex-direction:column;justify-content:center;padding:6% 8%;overflow:hidden}.slide-comparison-table:after{content:"";background:linear-gradient(90deg, var(--slide-accent), transparent 50%, var(--slide-accent));opacity:.3;pointer-events:none;z-index:0;height:3px;position:absolute;bottom:0;left:0;right:0}.slide-comparison-table h2{margin-bottom:1.2em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-cmp-table{border-collapse:collapse;width:100%;font-size:clamp(.8rem,1.1vw,1rem)}.slide-cmp-table th{text-align:left;color:var(--slide-accent);border-bottom:2px solid var(--slide-accent);padding:.8em 1em;font-size:clamp(.85rem,1.2vw,1.05rem);font-weight:700}.slide-cmp-table th:first-child{width:30%;color:var(--slide-text-muted);border-bottom-color:var(--slide-border)}.slide-cmp-table td{border-bottom:1px solid var(--slide-border);color:var(--slide-text-secondary);padding:.7em 1em;line-height:1.5}.slide-cmp-label{font-weight:600;color:var(--slide-text)!important}.slide-code-block{background:var(--slide-bg);flex-direction:column;justify-content:center;padding:6% 8%;overflow:hidden}.slide-code-block:before{background:radial-gradient(circle at 95% 5%, var(--slide-accent-soft) 0%, transparent 30%)}.slide-code-block h2{margin-bottom:.6em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-code-desc{color:var(--slide-text-secondary);margin-bottom:1em;font-size:clamp(.85rem,1.2vw,1.05rem);line-height:1.5}.slide-code-pre{background:var(--slide-bg-alt);border:1px solid var(--slide-border);border-radius:var(--radius-md);color:var(--slide-text-secondary);white-space:pre;padding:2.2em 1.5em 1.2em;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:clamp(.7rem,1vw,.9rem);line-height:1.7;position:relative;overflow-x:auto}.slide-code-pre:before{content:"";background:#ef4444;border-radius:50%;width:8px;height:8px;position:absolute;top:10px;left:14px;box-shadow:14px 0 #f59e0b,28px 0 #22c55e}.slide-code-lang{color:var(--slide-text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:.6em;font-size:clamp(.65rem,.9vw,.8rem)}.slide-full-bleed{background:linear-gradient(135deg, var(--slide-bg-alt) 0%, var(--slide-bg) 40%, var(--slide-hero-via) 70%, var(--slide-bg-alt) 100%);justify-content:center;align-items:center;overflow:hidden}.slide-full-bleed:before{background:linear-gradient(135deg, transparent 40%, var(--slide-accent-soft) 50%, transparent 60%), radial-gradient(ellipse at 50% 50%, var(--slide-accent-soft) 0%, transparent 50%)}.slide-full-bleed-overlay{text-align:center;background:radial-gradient(#0000 0%,#0000004d 100%);flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:10% 12%;display:flex}.slide-full-bleed h1{text-shadow:0 2px 20px #0000004d;margin-bottom:.4em;font-size:clamp(2rem,4.5vw,4rem);font-weight:800;line-height:1.15}.slide-full-bleed .slide-subtitle{color:var(--slide-accent);text-shadow:0 1px 10px #0003;font-size:clamp(1rem,1.8vw,1.5rem)}.slide-split-accent{background:var(--slide-bg);flex-direction:row}.slide-split-left{background:var(--slide-accent);color:var(--slide-bg);text-align:center;flex-direction:column;flex:0 0 38%;justify-content:center;align-items:center;padding:8%;display:flex}.slide-split-left h2{color:inherit;margin-bottom:.4em;font-size:clamp(1.4rem,2.5vw,2.2rem);font-weight:800}.slide-split-left p{color:inherit;opacity:.85;font-size:clamp(.85rem,1.2vw,1.05rem);line-height:1.5}.slide-split-right{flex-direction:column;flex:1;justify-content:center;padding:8%;display:flex}.slide-split-right h2{margin-bottom:.8em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-split-right p{color:var(--slide-text-secondary);font-size:clamp(.85rem,1.2vw,1.1rem);line-height:1.7}.slide-logo-grid{background:var(--slide-bg);flex-direction:column;justify-content:center;align-items:center;padding:6% 8%;overflow:hidden}.slide-logo-grid:before{background:radial-gradient(circle at 50% 80%, var(--slide-accent-soft) 0%, transparent 40%)}.slide-logo-grid h2{text-align:center;margin-bottom:1.5em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-logo-wrap{flex-wrap:wrap;justify-content:center;gap:1.5em;display:flex}.slide-logo-item{flex-direction:column;align-items:center;gap:.5em;min-width:80px;display:flex}.slide-logo-circle{background:var(--slide-accent-soft);border:2px solid var(--slide-accent);width:clamp(48px,5vw,64px);height:clamp(48px,5vw,64px);color:var(--slide-accent);letter-spacing:.02em;border-radius:50%;justify-content:center;align-items:center;font-size:clamp(.8rem,1.2vw,1.1rem);font-weight:700;display:flex}.slide-logo-item span{color:var(--slide-text-secondary);text-align:center;font-size:clamp(.7rem,.9vw,.85rem)}.slide-numbered-steps{background:var(--slide-bg);flex-direction:column;justify-content:center;padding:6% 8%;overflow:hidden}.slide-numbered-steps:before{background:radial-gradient(circle at 95% 50%, var(--slide-accent-soft) 0%, transparent 35%)}.slide-numbered-steps h2{margin-bottom:1.2em;font-size:clamp(1.4rem,2.8vw,2.5rem);font-weight:700}.slide-steps-list{flex-direction:column;gap:1em;display:flex}.slide-step{align-items:flex-start;gap:1em;display:flex}.slide-step-num{background:var(--slide-accent);width:clamp(32px,3vw,44px);height:clamp(32px,3vw,44px);color:var(--slide-bg);box-shadow:0 0 12px var(--slide-accent-soft), 0 2px 8px #0003;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:clamp(.9rem,1.3vw,1.15rem);font-weight:800;display:flex}.slide-step-body h3{margin-bottom:.2em;font-size:clamp(.9rem,1.3vw,1.15rem);font-weight:600}.slide-step-body p{color:var(--slide-text-secondary);font-size:clamp(.8rem,1.1vw,1rem);line-height:1.5}.slide-full-quote{text-align:center;background:linear-gradient(135deg, var(--slide-bg-alt), var(--slide-bg), var(--slide-bg-alt));flex-direction:column;justify-content:center;align-items:center;padding:8% 10%}.slide-full-quote blockquote{max-width:85%;margin-bottom:.8em;font-size:clamp(1.5rem,3vw,2.8rem);font-style:italic;font-weight:300;line-height:1.4;position:relative}.slide-full-quote blockquote:before{content:"“";color:var(--slide-accent);opacity:.3;font-size:3em;font-style:normal;position:absolute;top:-.3em;left:-.5em}.slide-fq-author{color:var(--slide-accent);font-size:clamp(1rem,1.5vw,1.3rem);font-weight:600}.slide-fq-source{color:var(--slide-text-muted);margin-top:.3em;font-size:clamp(.75rem,1vw,.9rem)}.slide-data-highlight{text-align:center;background:var(--slide-bg);flex-direction:column;justify-content:center;align-items:center;padding:8% 12%;overflow:hidden}.slide-data-highlight:before{background:radial-gradient(ellipse at 50% 40%, var(--slide-accent-soft) 0%, transparent 45%), radial-gradient(ellipse at 30% 70%, var(--slide-accent-soft) 0%, transparent 35%)}.slide-data-highlight:after{content:"";background:linear-gradient(90deg, transparent, var(--slide-accent), transparent);opacity:.25;pointer-events:none;z-index:0;height:2px;position:absolute;top:62%;left:25%;right:25%}.slide-data-highlight h2{color:var(--slide-text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.8em;font-size:clamp(1rem,1.6vw,1.3rem);font-weight:600}.slide-dh-value{background:linear-gradient(135deg, var(--slide-text), var(--slide-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;max-width:80%;margin-bottom:.6em;font-size:clamp(1.6rem,3.5vw,3rem);font-weight:700;line-height:1.3}.slide-dh-desc{color:var(--slide-text-secondary);max-width:65%;margin-bottom:.5em;font-size:clamp(.85rem,1.2vw,1.1rem);line-height:1.6}.slide-dh-source{color:var(--slide-text-muted);font-size:clamp(.7rem,.9vw,.8rem);font-style:italic}.slide-creative{padding:0;overflow:hidden}.slide-creative *{box-sizing:border-box;max-width:100%}.slide-creative pre,.slide-creative code{white-space:pre-wrap;word-break:break-word;font-family:var(--font-mono,monospace);font-size:.85em}.slide-bar-chart,.slide-line-chart,.slide-pie-chart{background:var(--slide-bg);flex-direction:column;justify-content:flex-start;align-items:stretch;gap:0;padding:5% 7% 4%;overflow:hidden}.slide-bar-chart:before,.slide-line-chart:before,.slide-pie-chart:before{background:radial-gradient(circle at 90% 10%, var(--slide-accent-soft) 0%, transparent 40%), radial-gradient(circle at 10% 90%, var(--slide-accent-soft) 0%, transparent 30%)}.slide-bar-chart h2,.slide-line-chart h2,.slide-pie-chart h2{color:var(--slide-text);flex-shrink:0;margin:0 0 4%;font-size:clamp(1rem,3.2cqw,1.8rem);font-weight:700;line-height:1.2}.slide-chart-wrap{flex:1;justify-content:center;align-items:center;min-height:0;display:flex;overflow:hidden}.slide-chart-svg{width:100%;height:100%;color:var(--slide-text);display:block;overflow:visible}.slides-controls{align-items:center;gap:var(--space-3);padding:var(--space-3) 0;margin-top:var(--space-2);display:flex}.slides-controls button{background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-primary);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);cursor:pointer;font-size:var(--text-sm);transition:all var(--transition-fast);justify-content:center;align-items:center;gap:var(--space-1);min-width:36px;min-height:36px;display:flex}.slides-controls button:hover{border-color:var(--text-tertiary);background:var(--bg-hover)}.slides-controls button[data-action=play]{background:var(--primary-color);border-color:var(--primary-color);color:var(--text-inverse);padding:var(--space-2) 18px;border-radius:var(--radius-md);gap:var(--space-1);min-width:44px;min-height:40px;font-weight:500}.slides-controls button[data-action=play]:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.slides-progress-bar{background:var(--border-default);border-radius:var(--radius-sm);cursor:pointer;height:4px;padding:var(--space-2) 0;background-clip:content-box;flex:1;margin:-8px 0;transition:height .15s;position:relative}.slides-progress-bar:hover{height:6px}.slides-progress-fill{background:var(--primary-color);border-radius:3px;width:0%;height:100%;transition:width .1s linear}.slides-counter{color:var(--text-secondary);font-size:var(--text-sm);text-align:center;min-width:50px}.slides-subtitle{color:var(--text-inverse);padding:var(--space-2) var(--space-5);border-radius:var(--radius-md);text-align:center;opacity:0;pointer-events:none;z-index:10;background:#000000b3;max-width:80%;font-size:clamp(.8rem,1.2vw,1rem);line-height:1.6;transition:opacity .3s,transform .2s;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.slides-subtitle.visible{opacity:1}.slides-subtitle.position-top{top:12px;bottom:auto}.slides-subtitle.position-center{top:50%;bottom:auto;transform:translate(-50%)translateY(-50%)}.slides-thumbnails{gap:var(--space-2);padding:var(--space-3) 0 var(--space-1);scrollbar-width:thin;scrollbar-color:var(--border-default) transparent;display:flex;overflow-x:auto}.slides-thumb{aspect-ratio:16/9;border-radius:var(--radius-sm);border:2px solid var(--border-default);cursor:pointer;background:var(--slide-bg,#18181b);opacity:.65;flex-shrink:0;width:128px;transition:border-color .15s,opacity .15s,box-shadow .15s;position:relative;overflow:hidden}.slides-thumb.active{border-color:var(--primary-color);opacity:1;box-shadow:0 0 0 2px var(--primary-color), 0 2px 8px color-mix(in srgb, var(--primary-color) 30%, transparent)}.slides-thumb:hover{opacity:.9}.slides-thumb-label{color:var(--text-inverse);font-size:var(--text-2xs);padding:3px var(--space-1);white-space:nowrap;text-overflow:ellipsis;letter-spacing:.02em;background:#000000b3;font-weight:500;position:absolute;bottom:0;left:0;right:0;overflow:hidden}.slides-actions{gap:var(--space-2);margin-top:var(--space-2);display:flex}.slides-actions button{padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid var(--border-default);background:var(--bg-surface);color:var(--text-primary)}.slides-actions button.primary{background:var(--primary-color);color:var(--text-inverse);border-color:var(--primary-color)}.slides-actions button:hover{opacity:.85}.slides-loading-screen{background:var(--bg-sunken);justify-content:center;align-items:center;gap:var(--space-6);flex-direction:column;height:100%;padding:10%;display:flex}.slides-loading-skeleton{align-items:center;gap:var(--space-3);flex-direction:column;width:70%;max-width:500px;display:flex}.skeleton-bar{background:var(--border-default);border-radius:var(--radius-sm);animation:1.5s ease-in-out infinite skeleton-pulse}.skeleton-title{width:60%;height:24px}.skeleton-subtitle{opacity:.6;width:40%;height:14px}.skeleton-row{gap:var(--space-2);width:100%;margin-top:var(--space-4);display:flex}.skeleton-card{border-radius:var(--radius-md);flex:1;height:60px}@keyframes skeleton-pulse{0%,to{opacity:.4}50%{opacity:.8}}.slides-loading-text{align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--text-secondary);display:flex}.slides-loading-spinner{border:2px solid var(--border-default);border-top-color:var(--primary-color);border-radius:50%;flex-shrink:0;width:18px;height:18px;animation:.7s linear infinite slides-spin}@keyframes slides-spin{to{transform:rotate(360deg)}}.slides-viewport [contenteditable=true]{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:var(--radius-sm);min-width:20px;min-height:1em}.slides-narration-panel{padding:var(--space-2) var(--space-3);background:var(--bg-sunken);border:1px solid var(--border-default);border-radius:var(--radius-md);margin-top:var(--space-1);transition:border-color var(--transition-fast)}.slides-narration-panel.dirty{border-color:var(--color-warning-border)}.slides-narration-header{margin-bottom:var(--space-1);justify-content:space-between;align-items:center;gap:var(--space-2);display:flex}.slides-narration-label{font-size:var(--text-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;flex-shrink:0;font-weight:600}.slides-narration-header-right{align-items:center;gap:var(--space-1);min-width:0;display:flex}.slides-narration-dirty-hint{color:var(--color-warning-text);white-space:nowrap;padding:1px var(--space-2);border-radius:var(--radius-full);background:var(--color-warning-bg);border:1px solid var(--color-warning-border);animation:narration-dirty-in var(--duration-normal) var(--ease-spring);align-items:center;gap:3px;font-size:10px;font-weight:500;display:inline-flex}@keyframes narration-dirty-in{0%{opacity:0;transform:scale(.85)translate(4px)}to{opacity:1;transform:scale(1)translate(0)}}.slides-narration-dirty-hint svg{flex-shrink:0;width:9px;height:9px}.slides-narration-preview-btn{border-radius:var(--radius-full);border:1px solid var(--border-default);background:var(--bg-surface);width:24px;height:24px;color:var(--text-secondary);cursor:pointer;transition:border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);outline:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.slides-narration-preview-btn:hover:not(:disabled){border-color:var(--primary-color);background:var(--primary-subtle);color:var(--primary-color);transform:scale(1.05)}.slides-narration-preview-btn:focus-visible{box-shadow:var(--shadow-focus)}.slides-narration-preview-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.slides-narration-preview-btn.playing{border-color:var(--primary-color);background:var(--primary-subtle);color:var(--primary-color)}.slides-narration-preview-btn.loading svg{display:none}.slides-narration-preview-btn.loading:after{content:"";border-radius:var(--radius-full);width:10px;height:10px;animation:spin var(--duration-slower) var(--ease-linear) infinite;border:1.5px solid;border-top-color:#0000}.slides-narration-preview-btn svg{flex-shrink:0;width:9px;height:9px}.slides-narration-voice{align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--text-secondary);cursor:pointer;padding:2px var(--space-2);border-radius:var(--radius-sm);transition:all var(--transition-fast);flex-shrink:0;display:flex}.slides-narration-voice:hover{background:var(--bg-hover);color:var(--text-primary)}.slides-narration-text{font-size:var(--text-sm);color:var(--text-secondary);white-space:pre-wrap;scrollbar-width:thin;cursor:text;max-height:80px;padding:var(--space-1) var(--space-1);border-radius:var(--radius-sm);transition:border-color var(--transition-fast), background var(--transition-fast);border:1px solid #0000;outline:none;line-height:1.6;overflow-y:auto}.slides-narration-text:hover{border-color:var(--border-default)}.slides-narration-text:focus{box-shadow:0 0 0 3px color-mix(in srgb, var(--primary-color) 6%, transparent);background:var(--bg-surface);color:var(--text-primary)}.slides-narration-refine{gap:var(--space-2);margin-top:var(--space-2);flex-direction:column;display:flex}.slides-narration-chips{gap:var(--space-1);flex-wrap:wrap;display:flex}.narr-chip{appearance:none;border:1px solid var(--border-default);background:var(--bg-surface);color:var(--text-secondary);font-size:var(--text-xs);border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);white-space:nowrap;padding:6px 10px;line-height:1}.narr-chip:hover:not(:disabled){background:color-mix(in srgb, var(--primary-color) 8%, var(--bg-surface));border-color:color-mix(in srgb, var(--primary-color) 35%, var(--border-default));color:var(--text-primary)}.narr-chip:active:not(:disabled){transform:scale(.97)}.narr-chip:focus-visible{box-shadow:var(--shadow-focus);outline:none}.narr-chip:disabled{opacity:.55;cursor:not-allowed}.narr-chip.busy{color:var(--primary-color);border-color:var(--primary-color);background:color-mix(in srgb, var(--primary-color) 10%, var(--bg-surface))}.slides-narration-chat{align-items:center;gap:var(--space-1);border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);transition:border-color var(--transition-fast);padding:4px 4px 4px 10px;display:flex}.slides-narration-chat:focus-within{border-color:color-mix(in srgb, var(--primary-color) 50%, var(--border-default));box-shadow:var(--shadow-focus)}.slides-narration-chat-input{min-width:0;font-size:var(--text-xs);color:var(--text-primary);background:0 0;border:0;outline:none;flex:1;padding:4px 0}.slides-narration-chat-input::placeholder{color:var(--text-tertiary)}.slides-narration-chat-send{border-radius:var(--radius-sm);background:var(--primary-color);color:#fff;cursor:pointer;width:26px;height:26px;transition:background var(--transition-fast), transform var(--transition-fast);border:0;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.slides-narration-chat-send:hover:not(:disabled){background:color-mix(in srgb, var(--primary-color) 88%, #000)}.slides-narration-chat-send:active:not(:disabled){transform:scale(.95)}.slides-narration-chat-send:focus-visible{box-shadow:var(--shadow-focus);outline:none}.slides-narration-chat-send:disabled{opacity:.4;cursor:not-allowed}.slide-thumb-dirty-dot{border-radius:var(--radius-full);background:var(--color-warning);width:6px;height:6px;box-shadow:0 0 4px var(--color-warning);flex-shrink:0}.slides-editor-body{gap:var(--space-3);min-height:0;padding:var(--space-3);flex:1;max-height:calc(100vh - 120px);display:flex;overflow:hidden}.slides-main-area{align-items:flex-start;gap:var(--space-3);flex-direction:row;flex:1;min-width:0;display:flex;position:relative}.slides-side-panel{gap:var(--space-2);width:272px;min-height:0;padding-bottom:var(--space-3);flex-direction:column;flex-shrink:0;display:flex}.slides-side-panel .slides-narration-text{max-height:200px}.slides-side-panel .uf-chat{border:1.5px solid var(--border-default);border-radius:var(--radius-lg);background:var(--bg-surface);padding:var(--space-1) var(--space-1) var(--space-1) var(--space-3);gap:var(--space-1);transition:border-color var(--transition-fast), box-shadow var(--transition-fast)}.slides-side-panel .uf-chat:focus-within{border-color:var(--border-focus);box-shadow:var(--shadow-focus)}.slides-side-panel .uf-chat__input{background:0 0;border:none;height:32px;padding:0}.slides-side-panel .uf-chat__input:focus{box-shadow:none;border-color:#0000}.slides-side-panel .uf-chat__send{border-radius:var(--radius-md);background:var(--primary-color);width:32px;min-width:32px;height:32px;color:var(--text-inverse);border:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.slides-side-panel .uf-chat__send:hover{background:var(--primary-hover)}.slides-side-panel .uf-chat__send:disabled{opacity:.35}.slides-style-cards{gap:var(--space-2);padding:var(--space-2) 0 var(--space-3);scrollbar-width:thin;scrollbar-color:var(--border-default) transparent;display:flex;overflow-x:auto}.slides-style-card{border-radius:var(--radius-lg);border:2px solid var(--border-default);cursor:pointer;width:140px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);background:var(--bg-surface);flex-shrink:0;overflow:hidden}.slides-style-card:hover{border-color:var(--text-tertiary);transform:translateY(-1px)}.slides-style-card.selected{border-color:var(--primary-color);box-shadow:0 0 0 2px color-mix(in srgb, var(--primary-color) 25%, transparent), var(--shadow-card)}.slides-style-card-preview{aspect-ratio:16/9;width:100%;padding:var(--space-3);justify-content:center;align-items:center;gap:var(--space-1);flex-direction:column;display:flex}.slides-style-card-preview .preview-title{font-size:var(--text-2xs);text-align:center;font-weight:700;line-height:1.2}.slides-style-card-preview .preview-subtitle{opacity:.7;font-size:7px}.slides-style-card-preview .preview-dots{margin-top:var(--space-1);gap:3px;display:flex}.slides-style-card-preview .preview-dot{opacity:.5;border-radius:50%;width:4px;height:4px}.slides-style-card-label{padding:var(--space-1) var(--space-2);font-size:var(--text-xs);font-weight:var(--weight-medium);color:var(--text-secondary);text-align:center;border-top:1px solid var(--border-default);background:var(--bg-sunken)}@keyframes sp-spin{to{transform:rotate(360deg)}}@keyframes sp-pulse{0%,to{opacity:1}50%{opacity:.35}}@keyframes sp-blink{0%,to{opacity:1}50%{opacity:0}}@keyframes sp-fade-up{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes sp-stripe{0%{background-position:0 0}to{background-position:28px 0}}.slide-player{align-items:center;gap:var(--space-2);padding:var(--space-2) 14px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);-webkit-user-select:none;user-select:none;flex-shrink:0;display:flex}.slide-player-nav{width:28px;height:28px;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.slide-player-nav:hover:not(:disabled){color:var(--text-primary);background:var(--bg-hover)}.slide-player-nav:disabled{opacity:.3;cursor:not-allowed}.slide-player-nav svg{stroke:currentColor;fill:none;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round;width:14px;height:14px}.slide-player-play{background:var(--primary-color);width:40px;height:40px;color:var(--text-inverse);cursor:pointer;transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);box-shadow:0 2px 8px color-mix(in srgb, var(--primary-color) 40%, transparent);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.slide-player-play:hover{background:var(--primary-hover);box-shadow:0 4px 12px color-mix(in srgb, var(--primary-color) 55%, transparent);transform:scale(1.06)}.slide-player-play:active{transform:scale(.96)}.slide-player-play svg{width:16px;height:16px;fill:var(--text-inverse);margin-left:2px}.slide-player-play.playing svg{margin-left:0}.slide-player-track{flex-direction:column;flex:1;gap:5px;min-width:0;display:flex}.slide-player-progress{background:var(--border-default);cursor:pointer;border-radius:2px;width:100%;height:3px;position:relative;overflow:hidden}.slide-player-progress:hover{height:5px;transition:height .1s}.slide-player-fill{background:var(--primary-color);pointer-events:none;border-radius:2px;width:0%;height:100%;transition:width .2s linear}.slide-player-time{font-size:var(--text-2xs);color:var(--text-tertiary);font-variant-numeric:tabular-nums;justify-content:space-between;line-height:1;display:flex}.slide-player-counter{font-size:var(--text-xs);color:var(--text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap;text-align:right;flex-shrink:0;min-width:36px}.slide-player-play svg{fill:var(--text-inverse)}.needs-update{position:relative}.needs-update:after{content:"";background:var(--warning-color,#f59e0b);border:2px solid var(--bg-surface);border-radius:50%;width:8px;height:8px;position:absolute;top:-2px;right:-2px}.slides-gen-panel{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);animation:.25s sp-fade-up;overflow:hidden}.slides-gen-header{padding:var(--space-4) var(--space-5) var(--space-3);justify-content:center;align-items:center;gap:var(--space-1);font-size:var(--text-sm);color:var(--text-secondary);font-weight:var(--weight-medium);border-bottom:1px solid var(--border-subtle);background:var(--bg-sunken);display:flex}.slides-gen-header-text{color:var(--text-primary)}.slides-gen-cards-grid{gap:var(--space-3);padding:var(--space-4) var(--space-5);grid-template-columns:repeat(auto-fill,minmax(150px,1fr));min-height:120px;display:grid}.slides-gen-card{background:var(--bg-sunken);border:1.5px solid var(--border-default);border-radius:var(--radius-card);padding:var(--space-3);gap:var(--space-2);opacity:1;flex-direction:column;min-height:100px;transition:opacity .28s,transform .28s;display:flex;transform:translateY(0)scale(1)}.slides-gen-card--entering{opacity:0;transform:translateY(10px)scale(.96)}.slides-gen-card--active .slides-gen-card-num{background:var(--primary-subtle);color:var(--primary-color);border-color:var(--primary-color)}.slides-gen-card-num{border-radius:var(--radius-full);background:var(--bg-hover);width:22px;height:22px;color:var(--text-tertiary);font-size:var(--text-2xs);font-weight:var(--weight-semibold);border:1.5px solid var(--border-default);transition:all var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.slides-gen-card-title{font-size:var(--text-xs);color:var(--text-secondary);font-weight:var(--weight-medium);-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:16px;line-height:1.4;display:-webkit-box;overflow:hidden}.slides-gen-card-bars{margin-top:var(--space-1);flex-direction:column;flex:1;gap:5px;display:flex}.slides-gen-card-bar{border-radius:var(--radius-sm);background:linear-gradient(90deg, var(--bg-hover) 25%, color-mix(in srgb, var(--bg-hover) 50%, transparent) 50%, var(--bg-hover) 75%);background-size:200% 100%;height:7px;animation:1.5s infinite slides-skeleton-shimmer}.slides-gen-cursor{background:var(--primary-color);vertical-align:text-bottom;border-radius:1px;width:2px;height:14px;margin-left:1px;animation:.9s step-end infinite sp-blink;display:inline-block}.slides-gen-cursor.hidden{display:none}.slides-gen-phases{padding:var(--space-2) var(--space-4);background:var(--bg-surface);flex-wrap:nowrap;align-items:center;gap:0;display:flex;overflow:hidden}.slides-gen-phase{font-size:var(--text-xs);color:var(--text-tertiary);transition:color var(--transition-fast);white-space:nowrap;flex-shrink:0;align-items:center;gap:5px;display:flex}.slides-gen-phase+.slides-gen-phase:before{content:"";background:var(--border-default);width:18px;height:1px;margin:0 var(--space-2);flex-shrink:0;display:block}.slides-gen-phase.active{color:var(--primary-color);font-weight:600}.slides-gen-phase.done{color:var(--color-success)}.slides-gen-phase-dot{background:currentColor;border-radius:50%;flex-shrink:0;width:5px;height:5px}.slides-gen-phase.active .slides-gen-phase-dot{animation:1.2s ease-in-out infinite sp-pulse}.slides-gen-skeleton{gap:var(--space-2);flex-direction:column;width:100%;max-width:260px;margin:0 auto;display:flex}.slides-gen-skeleton-bar{border-radius:var(--radius-sm);background:linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-surface) 50%, var(--bg-hover) 75%);background-size:200% 100%;height:12px;animation:1.5s infinite slides-skeleton-shimmer}@keyframes slides-skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.slides-thumb-strip{gap:var(--space-2);padding:var(--space-3) var(--space-2);scrollbar-width:thin;scrollbar-color:var(--border-default) transparent;flex-direction:column;flex-shrink:0;width:160px;min-width:140px;height:100%;display:flex;overflow-y:auto}.slides-thumb-strip::-webkit-scrollbar{width:4px}.slides-thumb-strip::-webkit-scrollbar-track{background:0 0}.slides-thumb-strip::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:2px}.slide-thumb-card{aspect-ratio:16/9;border-radius:var(--radius-sm);cursor:pointer;width:100%;transition:border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);background:var(--bg-sunken);border:2px solid #0000;flex-shrink:0;position:relative;overflow:hidden}.slide-thumb-card:hover{border-color:var(--border-default);transform:scale(1.025)}.slide-thumb-card.active{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-subtle)}.slide-thumb-accent{background:var(--primary-color);width:3px;position:absolute;top:0;bottom:0;left:0}.slide-thumb-body{z-index:1;background:linear-gradient(180deg, var(--bg-surface) 0%, #fff0 50%, var(--bg-surface) 100%);flex-direction:column;justify-content:space-between;height:100%;padding:5px 7px 5px 10px;display:flex;position:relative}body.dark .slide-thumb-body{background:linear-gradient(180deg, var(--bg-surface) 0%, #12121200 50%, var(--bg-surface) 100%)}.slide-thumb-card[style*=background-image] .slide-thumb-body{background:linear-gradient(#0000008c 0%,#0003 40%,#0000008c 100%)}.slide-thumb-card[style*=background-image] .slide-thumb-title{color:var(--text-inverse);text-shadow:0 1px 3px #00000080}.slide-thumb-card[style*=background-image] .slide-thumb-index,.slide-thumb-card[style*=background-image] .slide-thumb-layout-icon{color:#fffc}.slide-thumb-title{font-size:var(--text-2xs);color:var(--text-primary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-weight:600;line-height:1.3;display:-webkit-box;overflow:hidden}.slide-thumb-meta{align-items:center;gap:var(--space-1);display:flex}.slide-thumb-layout-icon{color:var(--text-tertiary);flex-shrink:0;align-items:center;display:flex}.slide-thumb-layout-icon svg{width:11px;height:11px}.slide-thumb-index{color:var(--text-tertiary);font-variant-numeric:tabular-nums;margin-left:auto;font-size:9px}.slide-thumb-audio-dot{background:var(--color-success);border-radius:50%;flex-shrink:0;width:6px;height:6px}.slides-style-picker{gap:var(--space-1);flex-wrap:wrap;display:flex}.slides-style-picker.compact{overflow:visible}.slides-style-chip{border-radius:var(--radius-full);border:1.5px solid var(--border-default);background:var(--bg-surface);cursor:pointer;height:28px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);flex-shrink:0;align-items:center;padding:0;display:flex;overflow:hidden}.slides-style-chip:hover{border-color:var(--text-secondary)}.slides-style-chip.selected{border-color:var(--primary-color);box-shadow:0 0 0 2px var(--primary-subtle)}.slides-style-swatch{flex-shrink:0;width:24px;height:100%}.slides-style-chip-name{font-size:var(--text-xs);color:var(--text-primary);padding:0 var(--space-2) 0 var(--space-1);white-space:nowrap;font-weight:500;line-height:1}.slides-style-chip-dot{width:5px;height:5px;margin-right:var(--space-2);border-radius:50%;flex-shrink:0}.slides-synth-wrap{align-items:center;gap:var(--space-1);flex-direction:column;flex-shrink:0;display:inline-flex;position:relative}.slides-synth-btn{padding:7px var(--space-3);border-radius:var(--radius-md);font-size:var(--text-xs);font-weight:var(--weight-semibold);cursor:pointer;transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);background:var(--primary-color);color:var(--text-inverse);box-shadow:0 2px 8px color-mix(in srgb, var(--primary-color) 35%, transparent);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:7px;min-width:128px;display:inline-flex}.slides-synth-btn:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 12px color-mix(in srgb, var(--primary-color) 40%, transparent);transform:translateY(-1px)}.slides-synth-btn:disabled{cursor:not-allowed;transform:none}.slides-synth-btn.needs-update{box-shadow:0 2px 10px color-mix(in srgb, var(--color-warning) 40%, transparent);animation:2s ease-in-out infinite synth-pulse}@keyframes synth-pulse{0%,to{box-shadow:0 2px 8px color-mix(in srgb, var(--primary-color) 35%, transparent)}50%{box-shadow:0 2px 12px color-mix(in srgb, var(--color-warning) 50%, transparent)}}.slides-synth-btn.done{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-default);box-shadow:none}.slides-synth-btn.done:hover{background:var(--bg-hover);box-shadow:none;transform:none}.slides-synth-check{background:var(--color-success);width:15px;height:15px;color:var(--text-inverse);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.slides-synth-check svg{width:9px;height:9px;stroke:var(--text-inverse);fill:none;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round}.slides-synth-bar{background:var(--primary-subtle);border-radius:2px;width:100%;height:3px;overflow:hidden}.slides-synth-bar-fill{background:var(--primary-color);border-radius:2px;width:0%;height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.slides-synth-spinner{border:2px solid #ffffff59;border-top-color:var(--text-inverse);border-radius:50%;flex-shrink:0;width:13px;height:13px;animation:.7s linear infinite sp-spin}.slides-export-inline{z-index:5;background:var(--bg-page,var(--bg-surface));flex-direction:column;animation:.25s sp-fade-up;display:flex;position:absolute;inset:0}.slides-export-inline-header{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-default);background:var(--bg-surface);flex-shrink:0;display:flex}.slides-export-back{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);color:var(--text-secondary);font-size:var(--text-sm);font-weight:var(--weight-medium);cursor:pointer;transition:color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), transform 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var(--space-5)}.pb-page-content{flex-direction:column;display:flex}.pb-scene{aspect-ratio:16/9;background:var(--bg-subtle,var(--gray-100));justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.pb-scene>svg{width:100%;height:100%;display:block}.pb-page-title{font-size:var(--text-xl,20px);color:var(--text-primary);margin:var(--space-5) var(--space-6) var(--space-2);font-weight:600;line-height:1.3}.pb-page-body{font-size:var(--text-base,16px);color:var(--text-secondary);margin:0 var(--space-6) var(--space-5);line-height:1.7}.pb-nav{justify-content:center;align-items:center;gap:var(--space-4);width:100%;max-width:640px;padding:var(--space-4) 0 var(--space-2);display:flex}.pb-nav-btn{border-radius:var(--radius-full,9999px);border:1px solid var(--border-color);background:var(--bg-surface,white);width:40px;height:40px;color:var(--text-secondary);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,border-color 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var(--border-default);border-radius:var(--radius-card);background:var(--bg-surface);flex-direction:column;flex-shrink:0;display:flex;position:sticky}.lec-sidebar-section{gap:var(--space-2);flex-direction:column;display:flex}.lec-sidebar-card{padding:var(--space-3);background:var(--bg-sunken);border-radius:var(--radius-lg)}.lec-sidebar-section-label{font-size:10px;font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.07em;color:var(--text-tertiary)}.lec-sidebar-divider{align-items:center;gap:var(--space-2);color:var(--text-tertiary);font-size:var(--text-xs);display:flex}.lec-sidebar-divider:before,.lec-sidebar-divider:after{content:"";background:var(--border-subtle);flex:1;height:1px}.lec-sidebar-desc{font-size:var(--text-xs);color:var(--text-secondary);line-height:var(--leading-relaxed);margin:0}.lecture-outline-review-header{align-items:center;gap:var(--space-3);padding-bottom:var(--space-3);border-bottom:1px solid 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var(--transition-fast);border:none;display:inline-flex}.lec-outline-confirm-btn:hover{background:var(--primary-hover);box-shadow:var(--shadow-sm)}.lec-outline-confirm-btn:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.lecture-outline-review-topic{font-size:var(--text-sm);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;text-align:center;flex:1;min-width:0;overflow:hidden}.lecture-outline-review-hint{font-size:var(--text-sm);color:var(--text-tertiary);margin:0}.lec-outline-list{gap:var(--space-2);flex-direction:column;display:flex}.lec-outline-card{padding:var(--space-3) var(--space-4);border:1px solid var(--border-default);border-radius:var(--radius-card);background:var(--bg-surface);cursor:grab;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);-webkit-user-select:none;user-select:none;flex-direction:column;display:flex}.lec-outline-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.lec-outline-card.dragging{opacity:.45;cursor:grabbing;box-shadow:var(--shadow-card-hover)}.lec-outline-card-header{align-items:center;gap:var(--space-2);display:flex}.lec-outline-card-num{border-radius:var(--radius-full);background:var(--bg-sunken);width:24px;height:24px;color:var(--text-tertiary);font-size:var(--text-xs);font-weight:var(--weight-semibold);flex-shrink:0;justify-content:center;align-items:center;display:flex}.lec-outline-card-title{font-size:var(--text-sm);color:var(--text-primary);font-weight:var(--weight-medium);border-radius:var(--radius-sm);min-width:0;padding:2px var(--space-1);transition:background var(--transition-fast), box-shadow var(--transition-fast);outline:none;flex:1}.lec-outline-card-title:focus{background:var(--bg-sunken);box-shadow:var(--shadow-focus);-webkit-user-select:text;user-select:text}.lec-outline-card-layout{display:none}.lec-outline-skeleton{pointer-events:none;padding:var(--space-3) var(--space-4);border:1px solid var(--border-subtle);border-radius:var(--radius-card);background:var(--bg-surface)}.lecture-skeleton-line{border-radius:var(--radius-sm);background:linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-surface) 50%, var(--bg-hover) 75%);height:13px;margin-bottom:var(--space-2);background-size:200% 100%;animation:1.5s infinite outline-skeleton-shimmer}.lecture-skeleton-line--short{opacity:.6;height:10px}@keyframes outline-skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (width<=640px){.uf-step__label{display:none}.uf-step__line{width:20px}.render-step__modes{grid-template-columns:1fr}}@media (width<=768px){.lec-outline-body{flex-direction:column}.lec-outline-sidebar{width:100%;position:static}}