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0;border-radius:2px;background:var(--accent)}.chapter-progress span{position:absolute;top:10px;left:50%;transform:translate(-50%);color:var(--muted);white-space:nowrap;font-size:11px}.reader-paginated-wrap{position:relative;width:100%;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}.reader-paginated-viewport{position:relative;flex:1 1 auto;width:min(var(--reader-max-width, 860px),calc(100% - var(--reader-content-padding) * 2));margin:40px auto 10px;overflow:hidden;-webkit-user-select:none;user-select:none}.reader-paginated-viewport.is-double-column:after{content:"";position:absolute;top:10px;bottom:10px;left:50%;transform:translate(-50%);width:1px;background:linear-gradient(to bottom,transparent 0%,var(--line) 15%,var(--line) 85%,transparent 100%);opacity:.65;pointer-events:none}.reader-paginated-track{height:100%;transition:transform .28s cubic-bezier(.25,1,.5,1);will-change:transform}.reader-paginated-column-body{height:100%;column-fill:auto;font-family:var(--reader-font-family, serif)!important;font-size:var(--reader-font-size);line-height:var(--reader-line-height);letter-spacing:var(--reader-letter-spacing)}.reader-paginated-footer{height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,40px) 10px;color:var(--muted);font-size:12px;-webkit-user-select:none;user-select:none}@media(min-width:960px){.desktop-pin-btn{display:grid}.desktop-pin-btn.pinned{color:var(--accent);background:var(--accent-soft)}.reader-workspace.sidebar-pinned .reader-drawer-left{transform:translate(0);box-shadow:none;width:300px;border-right:1px solid var(--line);z-index:21}.reader-workspace.sidebar-pinned .reader-header{left:300px}.reader-workspace.sidebar-pinned .reader-main{margin-left:300px;width:calc(100% - 300px)}.reader-workspace.sidebar-pinned 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8%,transparent);font-size:14px}.sources-page{min-height:calc(100vh - 58px);grid-template-columns:1fr}.sources-page .source-sidebar{min-height:auto;height:auto}.source-sidebar-heading{display:none}.sources-content{padding:28px 18px}.page-title{align-items:start}.library-page{gap:22px;padding:42px 18px}.library-hero h1{font-size:30px}.library-results>div{grid-template-columns:1fr}.library-book-detail>header{align-items:stretch;flex-direction:column}.book-detail-modal{width:min(600px,94vw);max-height:88vh;border-radius:14px}.book-detail-modal-header{flex-direction:column;align-items:stretch;padding:16px 16px 14px;gap:14px;position:relative}.book-detail-heading{width:100%;align-items:flex-start;gap:14px;padding-right:36px;min-width:0;flex:1 1 auto}.book-detail-cover,.book-detail-cover-placeholder{width:68px;height:90px;flex:none;flex-shrink:0}.book-detail-info{flex:1 1 auto;min-width:0}.book-detail-info 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footer{display:none}.workspace-topbar{height:60px;padding:0 18px}.workspace-topbar span{display:none}.workspace-scroll{gap:18px;padding:18px}.source-editor{min-height:380px}.subscription-panel{margin:0 0 16px;padding:16px}.subscription-page{min-height:calc(100vh - 58px);padding:28px 18px}.subscription-panel>header,.subscription-panel form,.subscription-list article{align-items:stretch;flex-direction:column}.subscription-actions{justify-content:flex-end}.source-editor>header,.desk-header,.book-preview>header{align-items:stretch;flex-direction:column}.desk-header form{width:100%}.search-results,.preview-chapters{grid-template-columns:1fr}.reader-header{height:56px;grid-template-columns:80px minmax(0,1fr) 80px;padding:0 10px}.reader-header-actions .reader-icon-button:first-child{display:none}.reader-header-title{font-size:14px}.reading-content{width:min(100% - 36px,580px);padding:56px 0 36px}.reading-content h1{font-size:1.1em;margin-bottom:1.4em}.reader-navigation{grid-template-columns:1fr 1fr;gap:12px;margin-top:54px}.reader-navigation button{justify-content:center}.reader-navigation .chapter-progress{grid-row:2;grid-column:1 / -1;margin:6px 17px 11px}.reader-paginated-wrap{height:100vh}.reader-paginated-viewport{width:calc(100% - 32px);height:calc(100% - 50px);margin:20px auto 0}.reader-paginated-footer{padding:0 16px 8px}.mobile-reader-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;height:58px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);transition:transform .25s ease,opacity .25s ease}.reader-workspace.toolbars-hidden .mobile-reader-nav{transform:translateY(100%);opacity:0;pointer-events:none}.mobile-reader-nav button{display:grid;place-items:center;align-content:center;gap:3px;padding:6px 0;background:transparent;color:var(--muted);font-size:10px;cursor:pointer;border:0}.mobile-reader-nav button:first-child{color:var(--accent)}.mobile-reader-nav svg{width:18px;height:18px}.mobile-reader-nav .aa{font-family:Georgia,serif;font-size:16px;line-height:18px;font-weight:600}}@media(max-width:420px){.login-panel{padding:30px 24px}.editor-actions{width:100%}.editor-actions button{flex:1}.reading-content{width:calc(100% - 28px)}.reader-header{grid-template-columns:40px minmax(0,1fr) 76px}}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none;max-width:min(400px,calc(100vw - 32px))}.toast-item{pointer-events:auto;display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;font-size:13px;line-height:1.4;box-shadow:0 8px 28px #0000002e;border:1px solid var(--line);background:var(--surface);color:var(--ink);animation:toastSlideIn .25s cubic-bezier(.2,.9,.3,1);transition:opacity .2s ease,transform .2s ease}@keyframes toastSlideIn{0%{transform:translate(40px);opacity:0}to{transform:translate(0);opacity:1}}.toast-item.toast-success{border-left:4px solid var(--accent)}.toast-item.toast-info{border-left:4px solid #3b82f6}.toast-item.toast-warning{border-left:4px solid #f59e0b}.toast-item.toast-error{border-left:4px solid var(--danger)}.toast-icon{display:grid;place-items:center;flex-shrink:0;width:20px;height:20px}.toast-success .toast-icon{color:var(--accent)}.toast-info .toast-icon{color:#3b82f6}.toast-warning .toast-icon{color:#f59e0b}.toast-error .toast-icon{color:var(--danger)}.toast-message{flex:1;font-weight:500}.toast-close{background:transparent;border:0;padding:2px;color:var(--muted);cursor:pointer;display:grid;place-items:center;border-radius:4px}.toast-close:hover{color:var(--ink);background:var(--surface-muted)}.source-switch-dialog{width:min(560px,100%);max-height:min(82vh,700px);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 50px #00000040;display:flex;flex-direction:column;overflow:hidden;animation:scaleUp .2s cubic-bezier(.25,1,.5,1)}.source-switch-header{display:flex;align-items:flex-start;justify-content:space-between;padding:18px 20px 14px;border-bottom:1px solid var(--line)}.source-switch-kicker{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--accent);margin-bottom:4px}.source-switch-kicker svg{width:14px;height:14px}.source-switch-header h2{margin:0;font-size:18px;font-weight:700;font-family:Georgia,"Noto Serif SC",serif}.source-switch-header small{color:var(--muted);font-size:12px;margin-top:2px;display:block}.source-search-banner{padding:10px 20px;background:color-mix(in srgb,var(--accent) 6%,var(--surface));border-bottom:1px solid var(--line);display:grid;gap:6px}.search-banner-text{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink)}.search-banner-text small{color:var(--muted)}.search-progress-bar-track{height:4px;background:color-mix(in srgb,var(--line) 80%,transparent);border-radius:2px;overflow:hidden}.search-progress-bar-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.source-candidate-list{flex:1 1 auto;overflow-y:auto;padding:12px 16px;display:grid;gap:10px}.source-candidate-card{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);transition:border-color .15s ease,background .15s ease}.source-candidate-card:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));background:color-mix(in srgb,var(--surface) 95%,var(--accent-soft))}.source-candidate-card.current{border-color:color-mix(in srgb,var(--accent) 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ease}.manage-cache-box{padding:10px 12px;border-radius:8px;background:color-mix(in srgb,var(--accent) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));display:grid;gap:8px}.manage-cache-info-row{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:12px}.cancel-cache-link{font-size:12px;color:var(--danger);padding:4px 8px;border-radius:4px;cursor:pointer}.cancel-cache-link:hover{background:color-mix(in srgb,var(--danger) 10%,transparent)}.manage-cache-bar-track{height:6px;background:var(--surface-muted);border-radius:3px;overflow:hidden}.manage-cache-bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}@media(max-width:720px){.toast-container{top:12px;right:12px;left:12px;max-width:none}.source-switch-dialog{max-height:88vh}}.source-editor-name-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.source-list-item-title{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-width:0}.source-list-item-title>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1}.source-login-badge{display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;line-height:1.2;padding:2px 6px;border-radius:4px;background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);letter-spacing:.5px;flex-shrink:0;white-space:nowrap}.source-login-dialog,.source-login-modal{width:min(520px,94vw);max-height:min(85vh,720px);display:flex;flex-direction:column;background:var(--surface);border-radius:14px;border:1px solid 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ease}.source-login-action-btn:hover{background:var(--surface-muted);color:var(--text)}.source-login-action-btn.primary{color:var(--accent);font-weight:700}.source-login-action-btn.primary:hover{background:color-mix(in srgb,var(--accent) 15%,transparent)}.source-login-menu-container{position:relative}.source-login-dropdown-menu{position:absolute;top:100%;right:0;margin-top:4px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px #00000026;padding:4px;min-width:140px;z-index:100;display:flex;flex-direction:column;gap:2px}.source-login-dropdown-menu button{text-align:left;padding:8px 12px;border:none;background:transparent;color:var(--text);font-size:13px;border-radius:4px;cursor:pointer;transition:background .15s}.source-login-dropdown-menu button:hover{background:var(--surface-muted)}.source-login-dropdown-menu button.danger-text{color:var(--danger)}.source-login-dropdown-menu button.danger-text:hover{background:color-mix(in srgb,var(--danger) 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var(--line);cursor:pointer;transition:all .15s ease}.source-login-btn.primary{background:var(--accent);color:var(--accent-contrast, #fff);border-color:var(--accent)}.source-login-btn.primary-subtle{background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}.source-login-btn.primary-subtle:hover{background:color-mix(in srgb,var(--accent) 20%,transparent)}.login-ui-item-toggle-container{display:flex;align-items:center;padding:8px 0}.login-ui-toggle-label{display:flex;align-items:center;justify-content:space-between;width:100%;cursor:pointer;font-size:14px;color:var(--text)}.login-ui-select{padding:8px 12px;font-size:14px;border:1px solid var(--line);border-radius:6px;background:var(--surface-input, var(--surface));color:var(--text);width:100%}.login-ui-item-info{padding:6px 0}.login-ui-info-text{font-size:13px;color:var(--text-muted);line-height:1.5}.login-ui-loading,.login-ui-empty{padding:32px 16px;text-align:center;color:var(--text-muted);font-size:14px}.header-view-dialog{width:480px;max-width:90vw;max-height:80vh;display:flex;flex-direction:column;background:var(--surface);border-radius:12px;border:1px solid var(--line);overflow:hidden}.header-view-code{background:var(--surface-muted);padding:12px;border-radius:6px;font-family:monospace;font-size:12px;white-space:pre-wrap;word-break:break-all;max-height:300px;overflow-y:auto;color:var(--text)}.source-login-textarea{width:100%;box-sizing:border-box;padding:10px 12px;font-size:13px;line-height:1.5;border:1px solid var(--line);border-radius:6px;background:var(--surface-input, var(--surface));color:var(--text);resize:vertical;font-family:inherit}.source-login-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}@keyframes tts-slide-up{0%{opacity:0;transform:translate(-50%,20px) scale(.96)}to{opacity:1;transform:translate(-50%) scale(1)}}@keyframes 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infinite}.tts-bar-text-group{display:flex;flex-direction:column;gap:2px;overflow:hidden}.tts-bar-meta{display:flex;align-items:center;gap:6px;font-size:11px}.tts-bar-badge{font-weight:600;color:var(--accent-ink);white-space:nowrap}.tts-bar-loading{color:var(--accent);font-size:10px;animation:tts-pulse 1s infinite}.tts-bar-timer-tag{display:inline-flex;align-items:center;gap:2px;background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent-ink);padding:1px 5px;border-radius:10px;font-size:10px;font-weight:500}.tts-bar-snippet{font-size:12px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.tts-bar-controls{display:flex;align-items:center;gap:4px}.tts-bar-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:transparent;color:var(--ink);transition:all .15s ease;padding:0}.tts-bar-btn:hover:not(:disabled){background:var(--surface-muted);color:var(--accent);transform:scale(1.06)}.tts-bar-btn:active:not(:disabled){transform:scale(.95)}.tts-bar-btn.nav-btn{width:28px;height:28px;opacity:.75}.tts-bar-btn.nav-btn:hover:not(:disabled){opacity:1}.tts-bar-btn.primary-play-btn{width:40px;height:40px;background:var(--accent);color:#fff;box-shadow:0 4px 12px color-mix(in srgb,var(--accent) 40%,transparent)}.tts-bar-btn.primary-play-btn:hover:not(:disabled){background:var(--accent-ink);color:#fff;transform:scale(1.08)}.tts-bar-actions{display:flex;align-items:center;gap:4px;border-left:1px solid var(--line);padding-left:8px}.tts-bar-btn.subtle-btn{width:32px;height:32px;color:var(--muted)}.tts-bar-btn.subtle-btn:hover:not(:disabled){color:var(--ink);background:var(--surface-muted)}.tts-bar-btn.close-btn:hover:not(:disabled){color:var(--danger);background:color-mix(in srgb,var(--danger) 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