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var(--font-heading));font-size:var(--cover-title-size, clamp(2.8rem, 14.1cqw, 9.8rem));font-weight:var(--cover-title-weight, 900);display:flex;align-items:flex-start;justify-content:flex-start;text-align:left;padding:clamp(.5rem,2cqh,2rem) var(--content-padding, clamp(1.1rem, 5.2cqw, 4.2rem)) 0;line-height:var(--cover-title-line-height, 1.01);overflow-wrap:anywhere;word-break:break-word;letter-spacing:var(--cover-title-spacing, -.01em);text-transform:var(--cover-title-transform, none);display:-webkit-box;-webkit-line-clamp:5;line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.cover-layout1-quote{display:flex;align-items:flex-start;justify-content:flex-start;text-align:left;padding:0 var(--content-padding, clamp(1.1rem, 5.2cqw, 4.2rem));margin-top:var(--cover-quote-margin-top, 0);width:100%;box-sizing:border-box}.cover-layout1-quote-content{color:var(--cover-quote-color, var(--theme-text));background:var(--cover-quote-bg, transparent);border:var(--cover-quote-border-width, 0) solid var(--cover-quote-border-color, transparent);border-radius:var(--cover-quote-radius, 0);box-shadow:var(--cover-quote-shadow, none);font-family:var(--cover-quote-font, var(--font-body));font-size:var(--cover-quote-size, clamp(1.4rem, 6.3cqw, 4.6rem));padding:var(--cover-quote-padding, 0);line-height:var(--cover-quote-line-height, 1.16);font-weight:var(--cover-quote-weight, 500);overflow-wrap:anywhere;word-break:break-word;width:100%;display:-webkit-box;-webkit-line-clamp:6;line-clamp:6;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.cover-layout1-image{overflow:hidden;background:var(--cover-image-bg, #4d4f53);min-height:0;margin-top:var(--cover-image-margin-top, 0);height:calc(100% - var(--cover-image-margin-top, 0))}.cover-layout1-image img{width:100%;height:100%;object-fit:cover;display:block;border-radius:0}.preview-card.is-toc{display:flex;flex-direction:column;padding:var(--theme-padding) var(--content-padding, clamp(1.1rem, 5.2cqw, 4.2rem));text-align:left}.toc-header{font-family:var(--font-heading);font-size:var(--toc-title-size, 2rem);color:var(--toc-title-color, var(--theme-accent));font-weight:900;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--theme-secondary);opacity:.8;text-align:left;overflow-wrap:anywhere;word-break:break-word}.toc-list{display:flex;flex-direction:column;gap:var(--toc-item-spacing, 1rem);width:100%;align-items:flex-start}.toc-item{display:flex;align-items:baseline;gap:1rem;color:var(--toc-item-color, var(--theme-text));font-size:var(--toc-item-min-size, .95rem);transition:all .2s ease;flex-wrap:nowrap;width:100%;max-width:100%;overflow:hidden;line-height:var(--toc-item-line-height, 1.6)}.toc-item-text{flex:0 1 auto;min-width:0;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toc-item-dot{flex:1 1 auto;min-width:0;border-bottom:1px dotted var(--theme-secondary);opacity:.2;margin-right:.5rem}.toc-item.level-2{font-weight:700;padding-left:0}.toc-item.level-3{padding-left:1.5rem;opacity:.9}.toc-item.level-4{padding-left:3rem;opacity:.8}.toc-item.level-5{padding-left:4.5rem;opacity:.7}.toc-empty{color:var(--theme-secondary);font-style:italic;opacity:.5;overflow-wrap:anywhere;word-break:break-word}.card-author{display:flex;justify-content:var(--cover-author-justify, center);align-items:center;margin-top:calc(var(--theme-padding) * -1 * var(--cover-author-bleed, 1))!important;margin-left:calc(var(--theme-padding) * -1 * var(--cover-author-bleed, 1))!important;margin-right:calc(var(--theme-padding) * -1 * var(--cover-author-bleed, 1))!important;width:calc(100% + var(--theme-padding) * 2 * var(--cover-author-bleed, 1))!important;align-self:center;box-sizing:border-box;max-width:none!important;margin-bottom:2rem;position:relative;z-index:10;background:var(--cover-author-bg, var(--theme-accent));color:var(--cover-author-color, var(--theme-text));font-family:var(--cover-author-font, var(--font-heading));font-size:var(--cover-author-size, clamp(1rem, 5.4cqw, 3.8rem));padding:.4rem 1rem;font-weight:var(--cover-author-weight, 600);text-align:center;text-transform:var(--cover-author-transform, none);letter-spacing:.01em;border-bottom:var(--cover-author-border-bottom, none)}.cover-layout1-author.is-empty{background:transparent!important;border-bottom:none!important}.author-name{background:transparent;color:inherit;padding:0}.app-container{display:flex;flex-direction:column;height:100vh}.app-header{padding:1rem 2rem;border-bottom:1px solid #e2e8f0;background:#fff;display:flex;align-items:center;justify-content:space-between}.logo-container{display:flex;align-items:center;gap:12px}.logo-img{width:32px;height:32px;border-radius:6px;object-fit:cover}.app-header h1{font-size:1.25rem;font-weight:700;letter-spacing:-.025em;color:#1e293b}.btn-header-export{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;background:#0f172a;color:#fff;border:none;border-radius:6px;font-weight:600;font-size:.9rem;transition:all .2s}.btn-header-export:hover{background:#1e293b;transform:translateY(-1px)}.btn-header-export:active{transform:translateY(0)}.btn-header-export.secondary{background:#f1f5f9;color:#475569;border:1px solid #e2e8f0}.btn-header-export.secondary:hover{background:#e2e8f0;color:#1e293b}.header-actions{display:flex;align-items:center}.app-main{flex:1;display:flex;overflow:hidden;background-color:var(--color-bg)}.pane-settings{flex:0 0 auto;z-index:10;width:320px;max-height:100%;overflow-y:auto;border-right:1px solid #e2e8f0;background:#fff}.pane-preview{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:2rem;overflow-y:auto;background-image:radial-gradient(#cbd5e1 1px,transparent 1px);background-size:20px 20px}.pane-editor{flex:0 0 350px;border-left:1px solid #e2e8f0;background:#fff;z-index:10}@media(max-width:1024px){.app-main{flex-direction:column}.pane-settings{order:3;width:100%;border-right:none;border-top:1px solid #e2e8f0;height:auto}.pane-editor{flex:1;border-left:none;order:2}.pane-preview{flex:1;order:1}}.mobile-warning{display:none}@media(max-width:768px){.app-header,.app-main{display:none!important}.mobile-warning{display:flex;position:fixed;top:0;left:0;width:100vw;height:100vh;background:#f1f5f9;align-items:center;justify-content:center;z-index:9999}.mobile-warning-content{text-align:center;padding:2rem;background:#fff;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a;max-width:80%}.mobile-warning h1{font-size:3rem;margin-bottom:1rem}.mobile-warning h2{color:#1e293b;margin-bottom:.5rem;font-size:1.25rem}.mobile-warning p{color:#64748b;font-size:.9rem;line-height:1.6}}