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.header-link{display:none}.reader-main{grid-template-columns:1fr}.reader-sidebar{display:none}.reader-toolbar-top{top:10px;left:10px;right:10px}.reader-toolbar-top .file-picker{flex-wrap:wrap;gap:6px}.file-picker>span{max-width:150px;font-size:11px}.canvas-stage{padding:66px 14px 14px}.book-page-image img,.page-spread.double .book-page-image img{width:min(calc(90vw * var(--reader-zoom,1)), calc(760px * var(--reader-zoom,1)))!important}.reader-footer{padding:8px 10px calc(8px + env(safe-area-inset-bottom));grid-template-columns:1fr;gap:8px;height:auto;min-height:66px}.footer-nav-group{grid-template-columns:auto minmax(0,1fr) auto}.footer-tools{justify-content:space-between}.page-slider{order:2}.view-switch{display:none}}@media (max-width:850px){.reader-shell{grid-template-rows:76px minmax(0,1fr);min-height:100dvh}.reader-shell>.reader-header{grid-template-columns:64px minmax(0,1fr) auto;height:76px;min-height:76px;padding:0 12px}.reader-shell>.reader-header .header-logo{width:56px;height:56px}.reader-header .header-link{display:none}.reader-main{grid-template-columns:1fr}.reader-sidebar{display:none}.canvas-stage{padding:64px 12px 12px}.book-page-image img,.page-spread.double .book-page-image img{width:min(calc(88vw * var(--reader-zoom,1)), calc(620px * var(--reader-zoom,1)))!important}.reader-footer{padding:8px 8px calc(8px + env(safe-area-inset-bottom));grid-template-columns:1fr;gap:6px}.page-slider{order:2}.footer-tools{justify-content:space-between;gap:6px}}@media (max-width:640px){.reader-shell>.reader-header{grid-template-columns:52px minmax(0,1fr) auto;gap:8px;padding:0 8px}.reader-shell>.reader-header .header-logo{width:44px;height:44px}.reader-title{font-size:13px}.icon-label{min-height:34px;padding:6px 8px;font-size:11px}.canvas-stage{padding:62px 8px 10px}.book-page-image img,.page-spread.double .book-page-image img{width:min(calc(94vw * var(--reader-zoom,1)), calc(520px * var(--reader-zoom,1)))!important}.reader-footer{padding:6px 8px calc(6px + env(safe-area-inset-bottom));grid-template-columns:1fr;gap:6px}.page-indicator{font-size:11px}.zoom-controls span{min-width:32px;font-size:10px}.fit-button{min-height:34px}.page-nav,.zoom-controls button{width:34px;min-height:34px}.footer-tools{justify-content:space-between}}.author-card{background:#000;border:1px solid #00000014;border-radius:24px;margin-top:2.5rem;padding:2rem;position:relative;overflow:hidden}.author-card:before{content:"";background:#111;border-radius:5px;width:5px;height:100%;position:absolute;top:0;left:0}.author-card-top{align-items:center;gap:1rem;display:flex}.author-avatar{background:var(--accent);color:#000;letter-spacing:.08em;border-radius:50%;flex:0 0 64px;place-items:center;width:64px;height:64px;font-size:1rem;font-weight:700;display:grid;box-shadow:0 8px 24px #0000001f}.author-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:#777;margin-bottom:.35rem;font-size:.68rem;font-weight:700;display:block}.author-card h2{letter-spacing:-.03em;margin:0;font-size:1.5rem;line-height:1.15}.author-role{color:#777;margin:.35rem 0 0;font-size:.9rem}.author-divider{background:#00000014;height:1px;margin:1.5rem 0}.author-bio{color:#444;margin:0;padding-left:1.8rem;font-size:.98rem;line-height:1.75;position:relative}.author-quote-mark{color:var(--accent);font-family:Georgia,serif;font-size:2.5rem;line-height:1;position:absolute;top:-.3rem;left:0}.author-footer{color:#999;letter-spacing:.04em;align-items:center;gap:.65rem;margin-top:1.5rem;font-size:.72rem;font-weight:600;display:flex}.author-footer span:nth-child(2){color:#555;font-size:.7rem}@media (max-width:640px){.author-card{border-radius:20px;margin-top:2rem;padding:1.5rem}.author-avatar{flex-basis:54px;width:54px;height:54px}.author-card h2{font-size:1.3rem}.author-bio{font-size:.92rem;line-height:1.7}.author-footer{flex-wrap:wrap}}.reader-watermark{z-index:9999;pointer-events:none;-webkit-user-select:none;user-select:none;position:absolute;inset:0;overflow:hidden}.reader-watermark-grid{pointer-events:none;grid-template-columns:repeat(5,1fr);gap:120px 100px;display:grid;position:absolute;inset:-20%;transform:rotate(-25deg)}.reader-watermark-item{white-space:nowrap;letter-spacing:2px;color:#5d5d5f;pointer-events:none;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;font-size:13px;font-weight:500;display:flex}@media (prefers-color-scheme:dark){.reader-watermark-item{color:#5d5d5f}}.security-alert-backdrop{z-index:10000;-webkit-backdrop-filter:blur(4px);background:#000000a6;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.security-alert{color:#111;text-align:center;background:#fff;border-radius:14px;width:100%;max-width:520px;padding:30px;box-shadow:0 20px 60px #0000004d}.security-alert-icon{color:var(--accent);margin-bottom:12px;font-size:36px}.security-alert h2{margin:0 0 20px;font-size:22px;font-weight:700}.security-alert-content{text-align:left;font-size:14px;line-height:1.6}.security-alert-content p{margin:0 0 14px}.security-alert-warning{font-weight:600}.security-alert-button{color:#000;cursor:pointer;border:none;border-radius:8px;width:100%;margin-top:10px;padding:12px 20px;font-size:15px;font-weight:600;background-color:var(--accent)!important}.security-alert-button:hover{opacity:.9}@media (prefers-color-scheme:dark){.security-alert{color:#fff;background:#1c1c1c}.security-alert-button{color:#111;background:#fff}}@media (max-width:600px){.security-alert{padding:24px 20px}.security-alert h2{font-size:19px}.security-alert-content{font-size:13px}}