@layer reset,base,components,reader,assistant,responsive;@layer reset{*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;width:100%}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit}button,select{touch-action:manipulation}h1,h2,h3,p{margin:0}svg{flex-shrink:0}button svg{pointer-events:none}}@layer base{:root{--board: #24332e;--board-deep: #1c2824;--board-raised: #2d3e38;--board-line: #3a4c45;--chalk: #e9eee9;--chalk-dim: #a9b8b1;--chalk-yellow: #f0c54a;--paper: #ffffff;--sheet: #f4f6f2;--sheet-deep: #e9ede7;--rule: #dbe1da;--rule-strong: #c3ccc3;--ink: #22302b;--ink-soft: #4a5a53;--muted: #66766f;--tint: #e4ece6;--primary: #24332e;--primary-hover: #34483f;--danger: #b5432f;--danger-tint: #fbefeb;--warn: #8a5f12;--warn-tint: #fbf5e6;--ok: #2f6d4f;--focus: #8a6400;--serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;--sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;--mono: ui-monospace, "Cascadia Mono", Consolas, monospace;font-family:var(--sans);font-size:14px;line-height:1.6;color:var(--ink);background:var(--sheet);font-synthesis:none;-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}button:disabled{opacity:.45}input,textarea,select{color:var(--ink)}input,textarea{width:100%;border:1px solid var(--rule-strong);border-radius:6px;background:var(--paper);padding:10px 12px;line-height:1.55;transition:border-color .12s}input:hover:not(:disabled),textarea:hover:not(:disabled){border-color:#9caa9f}input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--focus);outline-offset:1px;border-color:var(--ink-soft)}textarea{resize:vertical}input::placeholder,textarea::placeholder{color:#8b9891}input:disabled,textarea:disabled,select:disabled{background:var(--sheet-deep);color:var(--muted)}select{border:1px solid var(--rule-strong);border-radius:6px;padding:9px 30px 9px 10px;background:var(--paper)}h1{font-family:var(--serif);font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.01em}h2{font-family:var(--serif);font-size:20px;line-height:1.4;font-weight:700}h3{font-size:16px;line-height:1.5;font-weight:600}p{max-width:72ch}code{font-family:var(--mono);font-size:.9em;overflow-wrap:anywhere;background:var(--sheet-deep);padding:1px 5px;border-radius:3px}.muted{color:var(--muted);font-size:13px}.inline-error,.danger{color:var(--danger)}.visually-hidden,.reader-status{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}}@layer components{.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:8px 15px;border:1px solid var(--rule-strong);border-radius:6px;background:var(--paper);color:var(--ink);font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;white-space:nowrap;transition:background .12s,border-color .12s,color .12s}.button:hover:not(:disabled){background:var(--tint);border-color:#a9b5ad}.button.primary{background:var(--primary);border-color:var(--primary);color:#fff}.button.primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.button.destructive{background:var(--danger);border-color:var(--danger);color:#fff}.button.destructive:hover:not(:disabled){background:#9c3726;border-color:#9c3726}.button.small{min-height:32px;padding:5px 11px;font-size:13px}.button.active{background:var(--tint);border-color:#a9b5ad}.icon-button{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;padding:7px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--ink-soft);transition:background .12s,color .12s}.icon-button:hover:not(:disabled){background:var(--tint);color:var(--ink)}.icon-button.danger:hover:not(:disabled){background:var(--danger-tint);color:var(--danger)}.text-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:3px 0;border:0;background:none;color:var(--ink);font-size:13px;font-weight:600;line-height:1.5;text-decoration:underline;text-decoration-color:var(--rule-strong);text-underline-offset:4px}.text-button:hover:not(:disabled){text-decoration-color:currentColor}.text-button.danger{color:var(--danger);text-decoration-color:#e3b7ad}.loading-inline{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:13px}.spinner{display:inline-block;flex-shrink:0;width:15px;height:15px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite;opacity:.75}@keyframes spin{to{transform:rotate(360deg)}}.notice{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:12px 0;padding:11px 14px;border-left:3px solid var(--ink-soft);border-radius:0 6px 6px 0;background:var(--sheet-deep);font-size:13px;overflow-wrap:anywhere}.notice.error{background:var(--danger-tint);border-left-color:var(--danger);color:#8f3122}.notice.error .text-button{flex-shrink:0;color:inherit;text-decoration-color:currentColor}.notice.warning{display:block;background:var(--warn-tint);border-left-color:#c79a35;color:#6b4a0e}.notice p+p{margin-top:7px}.notice.warning details{margin-top:10px}.notice.warning summary{cursor:pointer}.notice.warning>.field-help{margin-top:9px;color:#7d6233}.inline-actions,.conflict-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.04em}.brand-mark{display:inline-flex;flex-shrink:0;width:38px;height:38px}.brand-mark svg{display:block;width:100%;height:100%}.admin-header .brand-mark,.reader-header>.brand-mark,.viewer-start>.brand-mark{border-radius:23%;box-shadow:0 0 0 1px var(--board-line)}.brand.small .brand-mark{width:34px;height:34px}.admin-page{min-height:100dvh;background:var(--sheet)}.admin-header{height:68px;background:var(--board);color:var(--chalk);--focus: var(--chalk-yellow) }.admin-header-inner{max-width:1120px;height:100%;margin:auto;padding:0 36px;display:flex;align-items:center;gap:20px}.header-context{font-size:13px;color:var(--chalk-dim);padding-left:20px;border-left:1px solid var(--board-line)}.admin-main{max-width:1120px;margin:auto;padding:52px 36px 48px}.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding-bottom:26px;margin-bottom:28px;border-bottom:2px solid var(--ink)}.page-heading h1{font-size:34px}.page-heading p{color:var(--ink-soft);margin-top:8px;font-size:15px}.page-heading .button{min-height:44px;padding:10px 18px;font-size:15px}.assistant-setting-row{display:flex;align-items:center;gap:16px;padding:16px 18px;margin-bottom:36px;background:var(--paper);border:1px solid var(--rule);border-radius:8px}.setting-symbol{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:7px;background:var(--tint);color:var(--ink)}.assistant-setting-row>div{flex:1;min-width:0}.assistant-setting-row strong{display:block;font-size:15px;margin-bottom:2px}.assistant-setting-row>div>span{font-size:13px;color:var(--muted)}.availability{margin-left:10px;color:var(--warn);font-weight:600}.availability.available{color:var(--ok)}.availability:before{content:"";display:inline-block;width:7px;height:7px;margin:0 6px 1px 0;background:currentColor;border-radius:50%}.setting-warning{font-size:13px;color:var(--warn);margin-top:5px}.library{background:transparent}.library-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:0 0 12px}.library-heading h2{font-size:20px}.library-heading h2 span{font-family:var(--sans);font-size:14px;font-weight:500;color:var(--muted);margin-left:8px;font-variant-numeric:tabular-nums}.deck-list{background:var(--paper);border:1px solid var(--rule);border-radius:8px}.deck-row{display:flex;align-items:center;gap:20px;padding:20px 22px}.deck-row+.deck-row{border-top:1px solid var(--rule)}.deck-file-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:72px;height:45px;border-radius:4px;background:var(--board);color:var(--chalk-dim);box-shadow:inset 0 -3px 0 var(--board-deep)}.deck-info{flex:1;min-width:0}.deck-info h3{font-family:var(--serif);font-size:18px;font-weight:700;line-height:1.45;overflow-wrap:anywhere;margin-bottom:5px}.deck-info h3 a{text-decoration:none}.deck-info h3 a:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}.deck-meta{display:flex;align-items:center;gap:6px 16px;flex-wrap:wrap;color:var(--muted);font-size:13px}.deck-meta time{font-variant-numeric:tabular-nums}.status{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--muted)}.status.ready{color:var(--ok)}.status.processing{color:var(--ink-soft)}.status.failed{color:var(--danger)}.status .spinner{width:12px;height:12px;border-width:1.5px}.deck-info>p{font-size:13px;margin-top:6px}.deck-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-shrink:0}.deck-actions .button{min-height:36px;padding:6px 13px;font-size:13px}.deck-actions .icon-button{width:36px;height:36px}.warnings{font-size:13px;color:var(--warn);margin-top:7px}.warnings summary{cursor:pointer}.warnings ul{padding-left:19px;margin:6px 0 0}.library-footnote{font-size:13px;color:var(--muted);margin-top:16px}.empty-library{display:flex;flex-direction:column;align-items:center;text-align:center;padding:64px 24px 70px;background:var(--paper);border:1px dashed var(--rule-strong);border-radius:8px}.empty-file{display:flex;align-items:center;justify-content:center;width:112px;height:70px;border-radius:6px;margin-bottom:24px;background:var(--board);color:var(--chalk-dim);box-shadow:inset 0 -4px 0 var(--chalk-yellow)}.empty-library h2{font-size:22px;margin-bottom:8px}.empty-library p{color:var(--muted);font-size:14px;margin-bottom:24px}.center-state{min-height:55vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px}.auth-state{max-width:560px;margin:64px auto;display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}.auth-state h1{font-size:28px}.auth-state p{line-height:1.9;color:var(--ink-soft)}.auth-state p.muted{font-size:13px;color:var(--muted)}.state-icon{display:flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:12px;margin-bottom:6px;background:var(--board);color:var(--chalk);box-shadow:inset 0 -4px 0 var(--chalk-yellow)}.dialog-backdrop{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:#141e1a80}.dialog{width:min(100%,520px);max-height:calc(100dvh - 48px);overflow-y:auto;background:var(--paper);color:var(--ink);border-radius:10px;padding:26px 28px;box-shadow:0 24px 60px #0e18144d;--focus: #8a6400;animation:dialog-in .16s ease-out}@keyframes dialog-in{0%{opacity:0;transform:translateY(6px)}}.dialog.wide{width:min(100%,740px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:14px}.dialog-heading h2{font-size:22px}.dialog-heading .icon-button{margin-right:-8px}.dialog-description{color:var(--ink-soft);font-size:14px;line-height:1.8;margin-bottom:20px}.dialog>p:not([class]){color:var(--ink-soft);line-height:1.8}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;padding-top:18px;border-top:1px solid var(--rule)}.field{display:flex;flex-direction:column;align-items:stretch;gap:8px;margin:18px 0;font-size:14px;font-weight:600}.field input,.field textarea,.field select{font-weight:400}.field-help{font-size:13px;font-weight:400;color:var(--muted);line-height:1.7}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%;padding:34px 20px;border:1.5px dashed var(--rule-strong);border-radius:8px;background:var(--sheet);color:var(--ink-soft);text-align:center;transition:background .12s,border-color .12s}.upload-zone:hover:not(:disabled),.upload-zone.dragging{background:var(--tint);border-color:var(--ink)}.upload-zone strong{max-width:100%;color:var(--ink);font-size:15px;font-weight:600;overflow-wrap:anywhere}.upload-zone span{font-size:13px;color:var(--muted)}.share-title{font-family:var(--serif);font-size:17px;font-weight:700;margin-bottom:6px;overflow-wrap:anywhere}.copy-field{display:flex;gap:8px}.copy-field input{min-width:0;font-family:var(--mono);font-size:13px;color:var(--ink-soft);background:var(--sheet)}.share-operations{display:flex;justify-content:space-between;gap:12px}.share-inactive{display:flex;flex-direction:column;align-items:center;padding:26px 0 14px;text-align:center;color:var(--ink-soft)}.share-inactive p{margin:10px auto 18px;color:var(--muted)}.checkbox-field{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:6px;background:var(--sheet);font-size:14px}.checkbox-field input{width:16px;height:16px;padding:0;accent-color:var(--primary)}.prompt-field textarea{min-height:240px;font-size:14px;line-height:1.85}.prompt-meta{display:flex;justify-content:space-between;align-items:center;margin-top:-8px;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.conflict-preview{max-height:190px;overflow-y:auto;padding:12px;border:1px solid #e6d3a6;border-radius:4px;background:var(--paper);font:inherit;font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}}@layer reader{.reader{position:relative;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:var(--board);color:var(--chalk);--focus: var(--chalk-yellow)}.reader:fullscreen{width:100vw;height:100dvh;background:var(--board)}.reader-header .icon-button,.reader-toolbar .icon-button,.thumbnail-panel .icon-button,.reader-notice .icon-button{color:var(--chalk-dim)}.reader-header .icon-button:hover:not(:disabled),.reader-toolbar .icon-button:hover:not(:disabled),.thumbnail-panel .icon-button:hover:not(:disabled),.reader-notice .icon-button:hover:not(:disabled){background:var(--board-raised);color:var(--chalk)}.reader-toolbar .icon-button.active{background:var(--board-raised);color:var(--chalk-yellow)}.reader-header{height:60px;min-height:60px;display:flex;align-items:center;gap:14px;padding:0 20px;background:var(--board-deep);z-index:5}.reader-header>.brand-mark{width:32px;height:32px}.reader-title{flex:1;min-width:0;display:flex;align-items:baseline;gap:14px}.reader-title h1{min-width:0;font-size:18px;font-weight:700;line-height:1.5;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff}.reader-title p{flex-shrink:0;color:var(--chalk-dim);font-size:13px;white-space:nowrap;font-variant-numeric:tabular-nums}.reader-header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.warnings-toggle{margin-left:12px;padding:0;border:0;background:none;color:var(--chalk-yellow);font-size:13px;text-decoration:underline;text-underline-offset:3px}.reader-notice{display:flex;align-items:center;padding:0 16px;background:#3a2a24;z-index:6}.reader-notice .notice{flex:1;margin:0;padding:9px 0;border:0;background:none;color:#f3d2c8}.reading-layout{flex:1;min-height:0;display:flex;position:relative}.thumbnail-panel{width:180px;flex-shrink:0;display:none;flex-direction:column;min-height:0;background:var(--board-deep);border-right:1px solid var(--board-line)}.thumbnail-panel.open{display:flex}.panel-heading{height:48px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;padding:0 10px 0 18px}.panel-heading h2{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--chalk-dim)}.panel-heading h2 span{margin-left:6px;color:var(--chalk-dim);font-weight:400;opacity:.75;font-variant-numeric:tabular-nums}.panel-heading .icon-button{width:30px;height:30px;padding:6px}.thumbnail-list{position:relative;overflow-y:auto;overflow-x:hidden;padding:2px 14px 20px;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--board-line) transparent}.thumbnail-list>.muted{padding:12px 4px;color:var(--chalk-dim)}.thumbnail-item{display:block;width:100%;margin-bottom:12px;padding:0;border:0;background:none;color:var(--chalk-dim);text-align:left}.thumbnail-item .thumbnail-canvas{outline:2px solid transparent;outline-offset:2px;transition:outline-color .12s,opacity .12s;opacity:.82}.thumbnail-item:hover .thumbnail-canvas{opacity:1;outline-color:var(--board-line)}.thumbnail-item.selected .thumbnail-canvas{opacity:1;outline-color:var(--chalk-yellow)}.thumbnail-item.selected{color:var(--chalk)}.thumbnail-item:focus-visible{outline-offset:5px}.thumbnail-label{display:flex;align-items:baseline;gap:8px;margin-top:7px;font-size:12px;line-height:1.5}.thumbnail-label>span:first-child{min-width:16px;font-weight:700;font-variant-numeric:tabular-nums}.thumbnail-item.selected .thumbnail-label>span:first-child{color:var(--chalk-yellow)}.thumbnail-label>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-surface{position:relative;min-height:0;overflow:auto;overscroll-behavior:contain}.main-canvas{width:100%;height:100%;scrollbar-width:thin;scrollbar-color:var(--board-line) transparent}.canvas-mount{display:flex;min-width:100%;min-height:100%;width:max-content}.canvas-mount canvas{display:block;flex-shrink:0;margin:auto;background:#fff;box-shadow:0 14px 34px #080e0c6b}.canvas-mount.pending{visibility:hidden}.canvas-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:12px;text-align:center;font-size:13px;color:var(--chalk-dim);pointer-events:none}.canvas-state.inline-error{color:#f0b7a8}.thumbnail-canvas{width:100%;aspect-ratio:16 / 10;overflow:hidden;border-radius:2px;background:#fff}.thumbnail-canvas .canvas-mount{width:100%;height:100%}.thumbnail-canvas canvas{box-shadow:none}.thumbnail-canvas .canvas-state{color:#b7c1bc}.thumbnail-placeholder{font-family:var(--serif);font-size:22px;color:#c3cbc6}.reading-main{position:relative;flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}.page-stage{position:relative;flex:1;min-width:0;min-height:0;overflow:hidden;outline-offset:-4px!important}.page-caption{display:flex;align-items:baseline;justify-content:center;gap:12px;flex-shrink:0;height:34px;padding:0 24px 8px;font-size:13px;color:var(--chalk-dim)}.page-caption span:first-child{color:var(--chalk-yellow);font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}.page-caption span:nth-child(2){max-width:65%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--chalk);font-family:var(--serif)}.page-caption span:last-child:not(:nth-child(2)){font-size:12px;white-space:nowrap}.reader-toolbar{display:flex;align-items:center;gap:6px;flex-shrink:0;min-height:60px;padding:10px 18px;background:var(--board-deep);border-top:1px solid var(--board-line);box-shadow:inset 0 1px #ffffff0a}.toolbar-divider{width:1px;height:22px;flex-shrink:0;margin:0 8px;background:var(--board-line)}.page-navigation{display:flex;align-items:center;gap:4px}.page-navigation>.icon-button{width:34px;height:34px}.page-number-form{display:flex;align-items:center;gap:6px;color:var(--chalk-dim);font-size:14px;white-space:nowrap;font-variant-numeric:tabular-nums}.page-number-form input{width:44px;height:32px;padding:4px;border:1px solid var(--board-line);border-radius:5px;background:var(--board);color:var(--chalk-yellow);font-size:15px;font-weight:700;text-align:center}.page-number-form input:hover:not(:disabled){border-color:var(--chalk-dim)}.page-number-form input:disabled{background:var(--board);color:var(--chalk-dim)}.autoplay-controls{display:flex;align-items:center;gap:4px}.autoplay-controls>.button{min-height:34px;border-color:transparent;background:none;color:var(--chalk-dim)}.autoplay-controls>.button:hover:not(:disabled){background:var(--board-raised);border-color:transparent;color:var(--chalk)}.autoplay-controls>.button.active{background:var(--board-raised);color:var(--chalk-yellow)}.autoplay-controls select{width:70px;height:32px;padding:4px 6px;border:1px solid transparent;background:none;color:var(--chalk-dim);font-size:13px;color-scheme:dark}.autoplay-controls select:hover{border-color:var(--board-line)}.toolbar-spacer{flex:1;min-width:0}.zoom-controls{display:flex;align-items:center;gap:2px}.zoom-controls .icon-button{width:32px;height:32px;padding:6px}.zoom-reset{min-width:50px;padding:4px;border:0;border-radius:5px;background:none;color:var(--chalk-dim);font-size:13px;font-variant-numeric:tabular-nums}.zoom-reset:hover:not(:disabled){color:var(--chalk);background:var(--board-raised)}.document-state{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px;text-align:center;color:var(--chalk-dim)}.document-state h2{font-size:22px;color:var(--chalk)}.document-state p{font-size:14px}.document-state .notice{max-width:640px;text-align:left}.document-state .button{background:transparent;color:var(--chalk);border-color:var(--board-line)}.document-state .button:hover:not(:disabled){background:var(--board-raised);border-color:var(--chalk-dim)}.reader-warnings{flex-shrink:0;max-height:25%;overflow-y:auto;padding:12px 22px;background:#33301f;color:#eedfae;font-size:13px;border-bottom:1px solid #4a4428}.reader-warnings ul{margin:5px 0;padding-left:18px}.reader-warnings .text-button{color:var(--chalk-yellow);font-size:13px;text-decoration-color:currentColor}.viewer-start{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:25px;text-align:center;background:var(--board);color:var(--chalk);--focus: var(--chalk-yellow) }.viewer-start h1{font-size:26px;color:#fff}.viewer-start p{color:var(--chalk-dim)}.viewer-start .notice{max-width:620px;text-align:left}.viewer-start>.brand-mark{width:64px;height:64px}.viewer-start .button:not(.primary){background:transparent;color:var(--chalk);border-color:var(--board-line)}.viewer-start 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