:root{--paper: #F8F1E1;--paper-raised: #FFFBF2;--ink: #2B2A26;--ink-soft: #6B675E;--accent: #B07C1F;--line: #E4D9C3;--shadow: rgba(43,42,38,.12);--danger: #A03B2E;--radius: 8px;--serif: Georgia, "Bookerly", "Times New Roman", serif}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--paper: #141414;--paper-raised: #1C1C1C;--ink: #C9C4B8;--ink-soft: #8B877D;--accent: #D89B3C;--line: #2A2A2A;--shadow: rgba(0,0,0,.4);--danger: #E08B7C}}:root[data-theme=dark]{--paper: #141414;--paper-raised: #1C1C1C;--ink: #C9C4B8;--ink-soft: #8B877D;--accent: #D89B3C;--line: #2A2A2A;--danger: #E08B7C}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif)}button{font-family:var(--serif)}.page-center{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--ink-soft)}.auth-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px 16px;background:var(--paper);color:var(--ink)}.auth-title{margin:0;font-size:1.75rem;font-weight:400;letter-spacing:.5px}.auth-sub{margin:.5rem 0 1.5rem;font-size:.9rem;color:var(--ink-soft)}.auth-card{width:100%;max-width:360px;padding:28px 24px;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 2px 8px var(--shadow)}.auth-card form{display:flex;flex-direction:column;gap:14px}.auth-field{display:flex;flex-direction:column;gap:6px}.auth-field label{font-size:.85rem;color:var(--ink-soft)}.auth-field input{font-family:var(--serif);font-size:1rem;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:10px 12px}.auth-field input:focus{outline:none;border-color:var(--accent)}.btn{font-family:var(--serif);font-size:1rem;padding:10px 14px;cursor:pointer;border-radius:6px;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink)}.btn:disabled{opacity:.6;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--paper)}.auth-error{margin:0;font-size:.9rem;color:var(--danger)}.auth-alt{margin:0;font-size:.9rem;color:var(--ink-soft)}.auth-alt a{color:var(--accent);text-decoration:none}.auth-alt a:hover{text-decoration:underline}.library{max-width:1080px;margin:0 auto;padding:24px 16px 56px}.lib-top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.lib-top h1{font-size:1.6rem;font-weight:400;letter-spacing:.5px;margin:0}.lib-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.lib-tools input,.lib-tools select{font-family:var(--serif);font-size:.95rem;padding:8px 10px;background:var(--paper-raised);color:var(--ink);border:1px solid var(--line);border-radius:6px}.lib-tools input:focus,.lib-tools select:focus{outline:none;border-color:var(--accent)}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.continue{display:flex;gap:16px;align-items:center;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 2px 8px var(--shadow);padding:16px;margin-bottom:28px}.continue-cover{width:84px;height:120px;flex:none;border-radius:6px;overflow:hidden;background:var(--paper)}.continue-cover img{width:100%;height:100%;object-fit:cover;display:block}.continue-info{flex:1;min-width:0}.continue-info .eyebrow{margin:0 0 4px;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}.continue-info h2{margin:0;font-size:1.25rem;font-weight:400}.continue-info .continue-meta{margin:4px 0 10px;font-size:.85rem;color:var(--ink-soft)}.continue .btn{flex:none}.progress{display:flex;align-items:center;gap:8px}.progress .bar{flex:1;height:3px;background:var(--line);border-radius:2px;overflow:hidden}.progress .bar>span{display:block;height:100%;background:var(--accent)}.progress .pct{font-size:.75rem;color:var(--ink-soft);min-width:34px;text-align:right}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:20px}.book-card{display:flex;flex-direction:column;gap:8px;position:relative}.book-cover{display:block;width:100%;aspect-ratio:2 / 3;padding:0;cursor:pointer;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper-raised);box-shadow:0 2px 6px var(--shadow);transition:transform .15s ease,box-shadow .15s ease}.book-cover:hover{transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}.book-cover img,.book-cover .cover-fallback{width:100%;height:100%}.book-cover img{object-fit:cover;display:block}.cover-fallback{display:flex;align-items:center;justify-content:center;background:var(--paper-raised);color:var(--accent);font-size:2.4rem;letter-spacing:1px;-webkit-user-select:none;user-select:none}.book-meta h3{margin:0;font-size:.95rem;font-weight:400;line-height:1.3}.book-author{margin:2px 0 8px;font-size:.78rem;color:var(--ink-soft)}.book-pages,.book-size{display:inline-block;font-size:.72rem;color:var(--ink-soft);margin:4px 8px 0 0}.menu-wrap{position:absolute;top:6px;right:6px;z-index:2}.menu-btn{width:28px;height:28px;border-radius:50%;cursor:pointer;line-height:1;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink-soft);box-shadow:0 1px 3px var(--shadow)}.menu{position:absolute;right:0;top:32px;min-width:195px;z-index:5;display:flex;flex-direction:column;padding:6px;background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 4px 14px var(--shadow)}.menu button{text-align:left;padding:8px 10px;font-size:.88rem;cursor:pointer;border:0;background:none;color:var(--ink);border-radius:6px}.menu button:hover:not(:disabled){background:var(--paper)}.menu button:disabled{opacity:.55;cursor:default}.menu button.danger{color:var(--danger)}.add-book{display:flex;flex-direction:column;gap:14px;align-items:stretch;margin-top:40px}.add-book-row{display:flex;gap:10px}.drop-zone{border:1px dashed var(--line);border-radius:var(--radius);padding:18px;text-align:center;color:var(--ink-soft);font-size:.9rem;background:var(--paper-raised)}.drop-zone.drag{border-color:var(--accent);color:var(--accent)}.upload-bar{border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;background:var(--paper-raised)}.upload-bar .upload-name{margin:0 0 8px;font-size:.85rem;color:var(--ink-soft)}.lib-alert{margin:0 0 16px;font-size:.9rem;color:var(--danger)}.empty-state{text-align:center;padding:64px 16px;color:var(--ink-soft)}.empty-state h2{font-weight:400;color:var(--ink);margin:0 0 8px}.reader{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;flex-direction:column;background:var(--paper);color:var(--ink)}.reader-stage{position:relative;flex:1;overflow:hidden;display:flex;align-items:center;justify-content:center;perspective:1200px;touch-action:pan-y}.reader-loading,.reader-error{position:absolute;z-index:4;color:var(--ink-soft);font-size:.9rem}.reader-error{padding:0 16px;text-align:center}.page-turn{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;backface-visibility:hidden}.page-turn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:0}.turn-next{transform-origin:left center;animation:turn-next .35s ease-out both}.turn-prev{transform-origin:right center;animation:turn-prev .35s ease-out both}.turn-next:after{background:linear-gradient(to right,transparent 55%,rgba(0,0,0,.38));animation:turn-shadow-next .35s ease-out both}.turn-prev:after{background:linear-gradient(to left,transparent 55%,rgba(0,0,0,.38));animation:turn-shadow-prev .35s ease-out both}@keyframes turn-next{0%{transform:rotateY(-24deg);opacity:.4}to{transform:rotateY(0);opacity:1}}@keyframes turn-prev{0%{transform:rotateY(24deg);opacity:.35}to{transform:rotateY(0);opacity:1}}@keyframes turn-shadow-next{0%{opacity:1}to{opacity:0}}@keyframes turn-shadow-prev{0%{opacity:1}to{opacity:0}}.page-turn.night,.page-turn.night.turn-next,.page-turn.night.turn-prev{animation:turn-fade .25s ease-out both;transform:none}.page-turn.night:after{animation:none;opacity:0}@keyframes turn-fade{0%{opacity:0}to{opacity:1}}.pdf-canvas{max-width:100%;max-height:100%;background:#fff;box-shadow:0 2px 10px var(--shadow)}.pdf-canvas.night{filter:invert(.88) hue-rotate(180deg)}.pdf-page{position:relative;display:flex}.pdf-highlights,.textLayer{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.textLayer{pointer-events:none;line-height:1;-webkit-user-select:text;user-select:text;text-align:initial;transform-origin:0 0;forced-color-adjust:none}.textLayer span{position:absolute;white-space:pre;cursor:text;transform-origin:0 0;color:transparent;pointer-events:auto}.pdf-highlights{pointer-events:none}.pdf-highlights .hl{position:absolute;mix-blend-mode:multiply;border-radius:2px}.reader[data-night] .pdf-highlights .hl{mix-blend-mode:screen}.hl.yellow,.dot.yellow{background:#ffca2c73}.hl.gray,.dot.gray{background:#78787861}.hl.pink,.dot.pink{background:#ff80ab73}.hl.blue,.dot.blue{background:#78b4ff73}@media (pointer: fine){.reader-zone{pointer-events:none}}.epub-host{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.epub-turn-next,.epub-turn-prev{animation:turn-fade .25s ease-out both}.aa-anchor{position:absolute;left:12px;bottom:56px;z-index:6}.aa-panel{display:flex;flex-direction:column;gap:8px;min-width:190px;padding:12px;border-radius:var(--radius);background:var(--paper-raised);border:1px solid var(--line);box-shadow:0 4px 14px var(--shadow)}.aa-row{display:flex;align-items:center;gap:10px;justify-content:center}.aa-value{font-size:.88rem;color:var(--ink-soft);min-width:44px;text-align:center}.aa-option{text-align:left}.reader-bottom.epub .reader-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}.reader-zone{position:absolute;top:0;bottom:0;z-index:3;width:40%;padding:0;border:0;background:transparent;cursor:pointer}.reader-zone.left{left:0}.reader-zone.right{right:0}.reader-zone.center{left:40%;width:20%;cursor:default}.reader-zone:disabled{cursor:default}.reader-zone:focus-visible{outline:1px dashed var(--accent);outline-offset:-4px}.reader-top,.reader-bottom{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--paper-raised);border-bottom:1px solid var(--line);flex:none}.reader-bottom{border-bottom:0;border-top:1px solid var(--line);padding:8px 14px}.reader-back{border:0;background:none;color:var(--accent);cursor:pointer;font-family:var(--serif);font-size:.95rem;padding:4px 6px;flex:none}.reader-title{margin:0;flex:1;min-width:0;text-align:center;font-size:.98rem;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-tool{flex:none;font-family:var(--serif);font-size:.82rem;cursor:pointer;padding:6px 10px;border-radius:6px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}.reader-slider{flex:1;min-width:80px;accent-color:var(--accent)}.reader-label{font-size:.8rem;color:var(--ink-soft);white-space:nowrap}.reader-pct{font-size:.8rem;color:var(--ink-soft);min-width:38px;text-align:right}.bookmark-ribbon{position:absolute;top:0;right:18px;z-index:5;width:26px;height:38px;padding:0;border:0;cursor:pointer;background:var(--accent);clip-path:polygon(0 0,100% 0,100% 100%,50% 74%,0 100%);box-shadow:0 1px 4px var(--shadow);transform:translateY(-58%) rotate(0);transition:transform .2s ease,clip-path .2s ease}.bookmark-ribbon.marked{transform:translateY(-4px) rotate(-3deg)}.bookmark-ribbon:focus-visible{outline:1px dashed var(--paper);outline-offset:-4px}.selection-menu{position:fixed;z-index:8;display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:var(--radius);background:var(--paper-raised);border:1px solid var(--line);box-shadow:0 4px 14px var(--shadow)}.selection-menu button{display:flex;align-items:center;padding:4px;cursor:pointer;border:0;background:none;border-radius:6px}.selection-menu button:hover{background:var(--paper)}.selection-menu .dot{width:18px;height:18px;border-radius:50%;display:block}.selection-sep{width:1px;height:20px;background:var(--line)}.selection-note{font-family:var(--serif);font-size:.9rem;color:var(--ink);padding:4px 8px}.dot{display:inline-block;width:12px;height:12px;border-radius:50%;flex:none}.note-anchor,.notes-anchor{position:absolute;left:12px;bottom:56px;z-index:7}.note-editor{display:flex;flex-direction:column;gap:8px;width:min(320px,calc(100vw - 24px));padding:12px;border-radius:var(--radius);background:var(--paper-raised);border:1px solid var(--line);box-shadow:0 4px 14px var(--shadow)}.note-heading{margin:0;font-size:.85rem;color:var(--ink-soft)}.note-quoted{margin:0;font-size:.85rem;font-style:italic;color:var(--ink-soft);max-height:72px;overflow:auto}.note-editor textarea{font-family:var(--serif);font-size:.95rem;color:var(--ink);resize:vertical;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:8px 10px}.note-editor textarea:focus{outline:none;border-color:var(--accent)}.note-actions{display:flex;gap:8px;justify-content:flex-end}.note-actions .note-save{background:var(--accent);border-color:var(--accent);color:var(--paper)}.annotations-panel{display:flex;flex-direction:column;gap:10px;width:min(320px,calc(100vw - 24px));max-height:min(60vh,480px);padding:12px;border-radius:var(--radius);background:var(--paper-raised);border:1px solid var(--line);box-shadow:0 4px 14px var(--shadow);overflow:auto}.annotations-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.annotations-head h2{margin:0;font-size:.95rem;font-weight:400}.annotations-panel ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;overflow:auto}.annotation-item{display:flex;flex-direction:column;gap:4px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}.annotation-item .dot{width:14px;height:14px}.annotation-quote{margin:0;font-size:.88rem;line-height:1.4}.annotation-note{margin:0;font-size:.8rem;color:var(--ink-soft);font-style:italic}.annotation-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.annotation-confirm{font-size:.78rem;color:var(--ink-soft)}.annotations-danger{color:var(--danger)}.annotations-empty,.annotations-error{margin:0;font-size:.85rem;color:var(--ink-soft)}.annotations-error{color:var(--danger)}