*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;min-height:100%}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;background:var(--bg, #f9f8f6);color:var(--text, #1a1918);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea{font-family:inherit}a{color:inherit;text-decoration:none}:root{--bg: #f9f8f6;--sidebar-bg: #f2f0ec;--panel-bg: #ffffff;--text: #1a1918;--text-muted: #8a8580;--text-faint: #b8b4af;--border: rgba(0, 0, 0, .07);--border-strong: rgba(0, 0, 0, .13);--accent: #2c5282;--accent-hover: #2a4a74;--accent-soft: rgba(44, 82, 130, .1);--accent-text: #2c5282;--danger: #c0392b;--danger-soft: rgba(192, 57, 43, .09);--sidebar-width: 240px;--sidebar-collapsed-width: 52px;--toolbar-height: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .07);--shadow-md: 0 2px 8px rgba(0, 0, 0, .09);--transition: .16s ease;--code-bg: rgba(0, 0, 0, .05)}[data-theme=dark]{--bg: #1c1a17;--sidebar-bg: #161411;--panel-bg: #252119;--text: #e8e4de;--text-muted: #9a9590;--text-faint: #5a5652;--border: rgba(255, 255, 255, .07);--border-strong: rgba(255, 255, 255, .13);--accent: #5b8dd9;--accent-hover: #6f9ee6;--accent-soft: rgba(91, 141, 217, .14);--accent-text: #7aacf0;--danger: #e05c4b;--danger-soft: rgba(224, 92, 75, .12);--code-bg: rgba(255, 255, 255, .08)}[data-theme=dark] .modal-backdrop{background:#0000008c}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);height:100vh;height:100dvh;background:var(--bg);overflow:hidden;transition:grid-template-columns var(--transition)}.app-shell.sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) minmax(0,1fr)}.sidebar{display:flex;flex-direction:column;background:var(--sidebar-bg);border-right:1px solid var(--border);overflow:hidden;height:100%}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:14px 12px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.sidebar-brand{display:flex;align-items:center;gap:8px;overflow:hidden}.sidebar-brand-icon{width:22px;height:22px;flex-shrink:0;color:var(--accent)}.sidebar-brand-name{font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);white-space:nowrap;overflow:hidden}.sidebar-collapse-btn{display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:var(--radius-sm);color:var(--text-faint);flex-shrink:0;transition:background var(--transition),color var(--transition)}.sidebar-collapse-btn:hover{background:var(--border);color:var(--text)}.sidebar-book-info{padding:12px 12px 8px;border-bottom:1px solid var(--border);flex-shrink:0}.sidebar-book-title{font-size:.85rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.sidebar-book-author{font-size:.75rem;color:var(--text-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-chapters{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:2px}.sidebar-chapters::-webkit-scrollbar{width:4px}.sidebar-chapters::-webkit-scrollbar-track{background:transparent}.sidebar-chapters::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.chapter-item{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:background var(--transition),border-color var(--transition);position:relative;-webkit-user-select:none;user-select:none}.chapter-item:hover{background:#0000000a}.chapter-item.active{background:var(--panel-bg);border-color:var(--border);box-shadow:var(--shadow-sm)}.chapter-item.dragging{opacity:.35}.chapter-item.drag-over{border-top-color:var(--accent)}.chapter-drag-handle{color:var(--text-faint);flex-shrink:0;cursor:grab;display:flex;align-items:center}.chapter-title{font-size:.82rem;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}.chapter-item.active .chapter-title{font-weight:500}.chapter-actions{display:none;gap:2px;align-items:center;flex-shrink:0}.chapter-item:hover .chapter-actions{display:flex}.chapter-action-btn{display:flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:5px;color:var(--text-faint);transition:background var(--transition),color var(--transition)}.chapter-action-btn:hover{background:var(--border);color:var(--text)}.chapter-action-btn.danger:hover{background:var(--danger-soft);color:var(--danger)}.sidebar-footer{padding:10px 8px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:4px;flex-shrink:0}.sidebar-btn{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius-md);font-size:.8rem;font-weight:500;color:var(--text-muted);transition:background var(--transition),color var(--transition);width:100%;text-align:left}.sidebar-btn:hover{background:#0000000d;color:var(--text)}.sidebar-btn.primary{color:var(--accent-text);background:var(--accent-soft)}.sidebar-btn.primary:hover{background:#2c528229}.sidebar-btn-icon{flex-shrink:0;display:flex;align-items:center}.app-shell.sidebar-collapsed .sidebar-brand-name,.app-shell.sidebar-collapsed .sidebar-book-info,.app-shell.sidebar-collapsed .sidebar-chapters,.app-shell.sidebar-collapsed .sidebar-footer,.app-shell.sidebar-collapsed .chapter-title,.app-shell.sidebar-collapsed .chapter-actions{display:none}.app-shell.sidebar-collapsed .sidebar-header{justify-content:center;padding:14px 0 10px}.app-shell.sidebar-collapsed .sidebar-collapse-btn{margin:0 auto}.main-area{display:flex;flex-direction:column;overflow:hidden;height:100%;background:var(--bg)}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--toolbar-height);padding:0 20px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0;position:sticky;top:0;z-index:10}.toolbar-left{display:flex;align-items:center;gap:12px}.toolbar-chapter-name{font-size:.85rem;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}.toolbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}.toolbar-meta{font-size:.75rem;color:var(--text-faint)}.toolbar-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-md);font-size:.78rem;font-weight:500;color:var(--text-muted);transition:background var(--transition),color var(--transition)}.toolbar-btn:hover{background:#0000000f;color:var(--text)}.toolbar-btn.compile{background:var(--accent-soft);color:var(--accent-text)}.toolbar-btn.compile:hover{background:#2c528229}.save-indicator{font-size:.72rem;transition:color var(--transition);white-space:nowrap}.save-indicator.idle{color:transparent}.save-indicator.unsaved,.save-indicator.saving,.save-indicator.saved{color:var(--text-faint)}.save-indicator.error{color:var(--danger)}.editor-panel{display:flex;flex-direction:column;flex:1;overflow:hidden}.editor-scroll{flex:1;overflow-y:auto;display:flex;flex-direction:column}.book-editor{flex:1;display:flex;flex-direction:column}.book-editor .ProseMirror{flex:1;min-height:calc(100vh - var(--toolbar-height) - 80px);outline:none;padding:56px max(24px,calc(50% - 340px)) 80px;font-family:Lora,Iowan Old Style,Georgia,serif;font-size:1.12rem;line-height:1.9;color:var(--text);caret-color:var(--accent)}.book-editor .ProseMirror p{margin:0 0 1.1em}.book-editor .ProseMirror p.is-editor-empty:first-child:before{content:attr(data-placeholder);color:var(--text-faint);pointer-events:none;float:left;height:0}.book-editor .ProseMirror h1{font-family:Lora,Georgia,serif;font-size:2rem;font-weight:600;line-height:1.25;margin:0 0 .5em;color:var(--text)}.book-editor .ProseMirror h2{font-family:Lora,Georgia,serif;font-size:1.45rem;font-weight:600;line-height:1.3;margin:1.4em 0 .4em;color:var(--text)}.book-editor .ProseMirror h3{font-family:Lora,Georgia,serif;font-size:1.15rem;font-weight:600;line-height:1.4;margin:1.2em 0 .35em;color:var(--text)}.book-editor .ProseMirror strong{font-weight:600}.book-editor .ProseMirror em{font-style:italic}.book-editor .ProseMirror blockquote{border-left:3px solid var(--border-strong);margin:1.4em 0;padding:.2em 0 .2em 1.4em;color:var(--text-muted);font-style:italic}.book-editor .ProseMirror ul,.book-editor .ProseMirror ol{padding-left:1.6em;margin:0 0 1em}.book-editor .ProseMirror li{margin:.2em 0}.book-editor .ProseMirror hr{border:none;border-top:1px solid var(--border);margin:2em 0}.book-editor .ProseMirror code{font-family:ui-monospace,monospace;font-size:.88em;background:var(--code-bg);border-radius:4px;padding:.15em .35em}.welcome-panel{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px}.welcome-card{max-width:420px;width:100%;text-align:center}.welcome-icon{width:48px;height:48px;color:var(--accent);margin:0 auto 20px;opacity:.7}.welcome-title{font-family:Lora,Georgia,serif;font-size:1.7rem;font-weight:600;color:var(--text);margin-bottom:10px;line-height:1.25}.welcome-subtitle{font-size:.9rem;color:var(--text-muted);line-height:1.6;margin-bottom:32px}.welcome-actions{display:flex;flex-direction:column;gap:10px}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--radius-md);background:var(--accent);color:#fff;font-size:.88rem;font-weight:600;transition:background var(--transition),transform var(--transition)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{display:flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--radius-md);background:transparent;border:1px solid var(--border-strong);color:var(--text-muted);font-size:.88rem;font-weight:500;transition:background var(--transition),color var(--transition),border-color var(--transition)}.btn-secondary:hover{background:#0000000a;color:var(--text);border-color:#0000002e}.welcome-hint{font-size:.75rem;color:var(--text-faint);margin-top:20px;line-height:1.5}.chapter-empty-state{flex:1;display:flex;align-items:center;justify-content:center}.chapter-empty-hint{font-size:.85rem;color:var(--text-faint)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fade-in .12s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal-box{background:var(--panel-bg);border-radius:var(--radius-lg);box-shadow:0 8px 40px #0000002e;padding:28px;width:100%;max-width:480px;animation:slide-up .16s ease}.modal-box.wide{max-width:680px}@keyframes slide-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal-title{font-family:Lora,Georgia,serif;font-size:1.25rem;font-weight:600;color:var(--text);margin-bottom:18px}.modal-label{display:block;font-size:.78rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.modal-input{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-md);font-size:.9rem;color:var(--text);background:var(--bg);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.modal-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.modal-row{margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.modal-btn{padding:9px 18px;border-radius:var(--radius-md);font-size:.85rem;font-weight:500;transition:background var(--transition),color var(--transition)}.modal-btn.cancel{color:var(--text-muted)}.modal-btn.cancel:hover{background:#0000000d;color:var(--text)}.modal-btn.confirm{background:var(--accent);color:#fff}.modal-btn.confirm:hover{background:var(--accent-hover)}.modal-btn.confirm:disabled{opacity:.4;cursor:not-allowed}.compile-manuscript{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;max-height:320px;overflow-y:auto;font-family:Lora,Georgia,serif;font-size:.88rem;line-height:1.7;color:var(--text);white-space:pre-wrap;margin-bottom:18px}.compile-stats{font-size:.78rem;color:var(--text-muted);margin-bottom:16px}.compile-format-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.compile-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.compile-actions .modal-btn{display:flex;align-items:center;gap:6px}.chapter-status-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;opacity:.8}.chapter-status-dot--in-progress{background:#d4820a}.chapter-status-dot--final{background:#2e7d55}[data-theme=dark] .chapter-status-dot--in-progress{background:#f0a840}[data-theme=dark] .chapter-status-dot--final{background:#4caf82}.chapter-action-btn.status-draft{color:var(--text-faint)}.chapter-action-btn.status-in-progress{color:#d4820a}.chapter-action-btn.status-final{color:#2e7d55}[data-theme=dark] .chapter-action-btn.status-in-progress{color:#f0a840}[data-theme=dark] .chapter-action-btn.status-final{color:#4caf82}.app-shell.focus-mode{grid-template-columns:0 1fr}.app-shell.focus-mode .sidebar{display:none}.app-shell.focus-mode .editor-toolbar{opacity:0;pointer-events:none;transition:opacity .4s ease}.app-shell.focus-mode .main-area:hover .editor-toolbar,.app-shell.focus-mode .main-area:focus-within .editor-toolbar{opacity:1;pointer-events:auto}.app-shell.focus-mode .mobile-topbar{display:none}.app-shell.focus-mode .book-editor .ProseMirror{padding-top:40vh;padding-bottom:40vh;max-width:680px;margin:0 auto}.find-replace-controls{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}.find-replace-row{display:flex;gap:8px;align-items:center}.find-replace-row .modal-input{flex:1}.find-replace-toggle{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.find-replace-toggle input[type=checkbox]{accent-color:var(--accent)}.find-replace-results{font-size:.8rem;color:var(--text-muted);margin:8px 0;min-height:18px}.find-replace-chapter-list{max-height:180px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px}.find-replace-chapter-row{display:flex;justify-content:space-between;align-items:center;padding:7px 12px;font-size:.8rem;color:var(--text);border-bottom:1px solid var(--border)}.find-replace-chapter-row:last-child{border-bottom:none}.find-replace-match-count{font-size:.72rem;color:var(--accent-text);background:var(--accent-soft);border-radius:10px;padding:1px 8px;flex-shrink:0}.unsupported-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.unsupported-card{max-width:400px;text-align:center}.unsupported-icon{color:var(--text-faint);margin:0 auto 20px}.unsupported-title{font-family:Lora,Georgia,serif;font-size:1.4rem;font-weight:600;color:var(--text);margin-bottom:10px}.unsupported-body{font-size:.88rem;color:var(--text-muted);line-height:1.65;margin-bottom:24px}.unsupported-link{color:var(--accent-text);text-decoration:underline;text-underline-offset:3px}.sidebar-btn.install-btn{margin-top:4px;border-top:1px solid var(--border);padding-top:10px}.add-chapter-btn{display:flex;align-items:center;gap:7px;padding:7px 9px;border-radius:var(--radius-md);font-size:.8rem;color:var(--text-faint);width:100%;text-align:left;transition:background var(--transition),color var(--transition);border:1px dashed transparent;margin-top:2px}.add-chapter-btn:hover{background:#0000000a;color:var(--text-muted);border-color:var(--border)}.book-list{margin-top:28px;text-align:left}.book-list-label{font-size:.72rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text-faint);margin-bottom:8px;padding:0 2px}.book-list-item{display:flex;flex-direction:column;gap:3px;width:100%;text-align:left;padding:12px 14px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--panel-bg);margin-bottom:8px;transition:background var(--transition),border-color var(--transition),box-shadow var(--transition);cursor:pointer}.book-list-item:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.book-list-title{font-size:.92rem;font-weight:600;color:var(--text);line-height:1.3}.book-list-author{font-size:.78rem;color:var(--text-muted)}.book-list-chapters{font-size:.73rem;color:var(--text-faint);margin-top:2px}@media(max-width:640px){:root{--sidebar-width: 100%;--toolbar-height: 44px}.app-shell{grid-template-columns:1fr;grid-template-rows:1fr;position:relative}.sidebar{position:fixed;top:0;left:0;width:280px;height:100%;z-index:50;transform:translate(-100%);transition:transform .2s ease;box-shadow:none}.app-shell.sidebar-open .sidebar{transform:translate(0);box-shadow:4px 0 24px #0000001f}.main-area{grid-column:1;grid-row:1}.app-shell.sidebar-open:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;z-index:49}.mobile-topbar{display:flex;align-items:center;gap:10px;height:var(--toolbar-height);padding:0 16px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0}.mobile-menu-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);color:var(--text-muted);flex-shrink:0;transition:background var(--transition)}.mobile-menu-btn:hover{background:#0000000f}.mobile-topbar-title{font-size:.85rem;font-weight:500;color:var(--text);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-editor .ProseMirror{padding:24px 20px 60px;font-size:1rem}.editor-toolbar{padding:0 12px;gap:8px}.toolbar-chapter-name{max-width:160px;font-size:.8rem}.welcome-panel{padding:32px 20px;align-items:flex-start}.welcome-card{max-width:100%}.welcome-title{font-size:1.4rem}.modal-backdrop{align-items:flex-end;padding:0}.modal-box{border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-width:100%;padding:24px 20px 32px}}@media(min-width:641px){.mobile-topbar{display:none}.app-shell.sidebar-open:before{display:none}}.editor-scroll::-webkit-scrollbar{width:5px}.editor-scroll::-webkit-scrollbar-track{background:transparent}.editor-scroll::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.editor-scroll::-webkit-scrollbar-thumb:hover{background:#0003}
