:root,:root[data-theme=dark]{--bg: #12151a;--panel: #191d24;--panel-2: #212732;--text: #e7ebf1;--muted: #9aa4b2;--border: #2a313c;--border-strong: #39424f;--accent: #6ea8fe;--accent-strong: #8bbcff;--accent-text: #0b0f14;--xhl: rgba(110, 168, 254, .26);--block-hl: rgba(148, 163, 184, .18);--word-hl: rgba(110, 168, 254, .34);--score-match-bg: rgba(63, 185, 80, .26);--score-low-bg: rgba(210, 153, 34, .3);--score-bad-bg: rgba(248, 81, 73, .3);--play: rgba(255, 206, 84, .42);--play-text: #17130a;--green: #46c05a;--amber: #d9a63a;--red: #f6685e;--kbd-bg: #2b323d;--shadow-color: 220 40% 2%}:root[data-theme=light]{--bg: #f3f1ec;--panel: #fbfaf6;--panel-2: #ece7dd;--text: #221f1a;--muted: #6f685d;--border: #e4ddd1;--border-strong: #d6cdbd;--accent: #345ad4;--accent-strong: #2846b0;--accent-text: #ffffff;--xhl: rgba(52, 90, 212, .16);--block-hl: rgba(90, 82, 68, .14);--word-hl: rgba(52, 90, 212, .2);--score-match-bg: rgba(26, 127, 55, .18);--score-low-bg: rgba(154, 103, 0, .2);--score-bad-bg: rgba(207, 34, 46, .16);--play: rgba(240, 178, 50, .55);--play-text: #201803;--green: #1a7f37;--amber: #9a6700;--red: #cf222e;--kbd-bg: #e7e1d6;--shadow-color: 35 25% 30%}:root{--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-8: 48px;--sp-10: 64px;--sp-12: 80px;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 22px;--r-pill: 999px;--shadow-1: 0 1px 2px hsl(var(--shadow-color) / .1);--shadow-2: 0 10px 30px -12px hsl(var(--shadow-color) / .28);--shadow-3: 0 28px 64px -24px hsl(var(--shadow-color) / .4);--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-read: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, "Noto Serif", serif;--maxw: 1200px;font-family:var(--font-ui);color-scheme:light dark}*{box-sizing:border-box}body{margin:0;background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{min-height:100vh;height:100vh;display:flex;flex-direction:row}.sidebar{flex:0 0 60px;width:60px;height:100vh;display:flex;flex-direction:column;align-items:center;gap:var(--sp-3);padding:var(--sp-4) 0;border-right:1px solid var(--border);background:var(--panel)}.sidebar-spacer{flex:1}.sidebar-logo{width:38px;height:38px;border-radius:var(--r-md);background:var(--accent);color:var(--accent-text);border:none;cursor:pointer;font-weight:700;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;transition:transform .08s,background .15s}.sidebar-logo:hover{background:var(--accent-strong)}.sidebar-logo:active{transform:scale(.95)}.sidebar-btn{width:40px;height:40px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;transition:color .15s,background .15s}.sidebar-btn:hover:not(:disabled){color:var(--text);background:var(--panel-2)}.sidebar-btn:disabled{opacity:.5;cursor:default}.sidebar-user:hover:not(:disabled){color:var(--accent)}kbd{background:var(--kbd-bg);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:11px;color:var(--text)}.app-main{flex:1;min-width:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}.app-main>*{width:100%;max-width:var(--maxw);margin:0 auto;padding:var(--sp-6) var(--sp-6)}.app-main>.book-reader{flex:1;min-height:0;padding-bottom:var(--sp-4)}.btn{border:1px solid var(--border-strong);background:var(--panel);color:var(--text);padding:9px 16px;border-radius:var(--r-sm);cursor:pointer;font-size:14px;font-family:inherit;font-weight:500;line-height:1.2;transition:border-color .15s,background .15s,transform .05s,color .15s}.btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}.btn-primary:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong);color:var(--accent-text)}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--panel-2);border-color:transparent;color:var(--text)}.btn-icon{padding:8px 10px;line-height:1}.btn-rec{background:var(--red);border-color:var(--red);color:#fff}.error-inline,.error-banner{color:var(--red);font-size:13px}.error-banner{padding:10px 12px;border:1px solid var(--red);border-radius:var(--r-sm);margin-top:var(--sp-3)}.reader{position:relative}.reader-heads,.para-row{display:grid;grid-template-columns:44px 1fr 1fr;gap:var(--sp-4)}.reader-heads{position:sticky;top:0;z-index:5;background:var(--bg);padding:6px 0}.reader-head{grid-column:span 1;font-size:13px;color:var(--muted)}.reader-heads .reader-head:first-of-type{grid-column:2}.para-row{align-items:start;padding:4px 0}.para-row+.para-row{border-top:1px solid var(--border)}.para-cell{padding:var(--sp-3) var(--sp-4);font-size:17px;line-height:1.85;white-space:pre-wrap;word-break:break-word;font-family:var(--font-read);background:var(--panel);border:1px solid var(--border);border-radius:var(--r-sm)}.para-gutter{display:flex;flex-direction:column;gap:6px;align-items:center;padding-top:10px}.pbtn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);border-radius:var(--r-sm);cursor:pointer;padding:0;transition:color .15s,border-color .15s,background .15s}.pbtn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.pbtn:disabled{opacity:.6;cursor:default}.pbtn.needs-gen{border-style:dashed}.pbtn.needs-gen:hover{color:var(--accent);border-color:var(--accent)}.pbtn.ready,.pbtn.active{border-color:var(--accent);color:var(--accent);background:var(--xhl)}.pbtn.rec{border-color:var(--red);color:var(--red)}.pbtn-spin{width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.word{border-radius:3px;cursor:default}.xhl{background:var(--block-hl)}.score-match{background:var(--score-match-bg)}.score-low{background:var(--score-low-bg)}.score-substituted,.score-missing{background:var(--score-bad-bg)}.playing{background:var(--play);color:var(--play-text)}.whl{background:var(--word-hl)}.dict-popup{position:fixed;z-index:50;max-width:340px;background:var(--panel);border:1px solid var(--border-strong);border-radius:var(--r-md);padding:var(--sp-3) var(--sp-4);box-shadow:var(--shadow-3);font-size:14px}.dict-expanded{max-height:60vh;overflow-y:auto}.dict-headword{font-weight:700;font-size:15px}.dict-pos{color:var(--accent);font-style:italic;font-size:12px;margin-left:8px}.dict-gloss{color:var(--text);margin-top:3px}.dict-empty{color:var(--muted);font-style:italic;margin-top:4px}.dict-more{margin-top:8px;background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;padding:0}.dict-group{margin-top:8px}.dict-pos-head{color:var(--accent);font-style:italic;font-size:12px;margin-bottom:2px}.dict-senses{margin:0;padding-left:20px}.dict-senses li{margin-bottom:4px}.dict-example{color:var(--muted);font-size:13px;font-style:italic}.record-legend{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px}.chip{padding:1px 8px;border-radius:var(--r-pill);border:1px solid var(--border)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:hsl(var(--shadow-color) / .5);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--sp-4)}.modal{background:var(--panel);border:1px solid var(--border-strong);border-radius:var(--r-lg);padding:var(--sp-6);max-width:560px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-3)}.modal h2{margin-top:0;letter-spacing:-.01em}.modal h3{margin-bottom:4px;color:var(--accent);font-size:14px}.modal p{color:var(--text);font-size:14px;line-height:1.65;margin-top:0}.modal-actions{display:flex;justify-content:space-between;gap:10px;margin-top:var(--sp-5)}.help-table{width:100%;border-collapse:collapse;margin:8px 0 4px}.help-table td{padding:8px 6px;vertical-align:top;font-size:14px;border-bottom:1px solid var(--border)}.help-table td:first-child{white-space:nowrap;width:1%}.kbd-combo{display:inline-block;background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:3px 9px;font-size:13px;color:var(--text)}.help-foot{color:var(--muted);font-size:13px;margin-top:var(--sp-3)}.library{width:100%}.library-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-5)}.library-head h2{margin:0;font-size:30px;font-weight:650;letter-spacing:-.02em}.library-head-actions{display:flex;gap:var(--sp-3);align-items:center}.library-head-sub{margin-top:var(--sp-10)}.library-head-sub h2{font-size:20px;font-weight:600;color:var(--text)}.library-add{margin-bottom:var(--sp-6);display:flex;flex-direction:column;gap:var(--sp-3);background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-4)}.library-textarea{width:100%;padding:var(--sp-4);border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg);color:var(--text);font:inherit;font-size:15px;line-height:1.6;resize:vertical}.library-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--xhl)}.library-add-actions{display:flex;justify-content:flex-end}.library-empty{color:var(--muted);font-size:15px}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--sp-5)}.book-card{position:relative}.book-card-open{display:flex;flex-direction:column;gap:var(--sp-3);width:100%;text-align:left;background:none;border:none;padding:0;cursor:pointer;color:var(--text)}.book-card-cover{aspect-ratio:2 / 3;width:100%;border-radius:var(--r-md);background:var(--panel-2);display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:700;color:var(--muted);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease}.book-card-cover img{width:100%;height:100%;object-fit:cover;display:block}.book-card-open:hover .book-card-cover{transform:translateY(-4px);box-shadow:var(--shadow-2)}.book-card-title{font-weight:600;font-size:14px;line-height:1.35;letter-spacing:-.005em}.book-card-meta{color:var(--muted);font-size:12px;margin-top:2px}.book-card-del{position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:var(--r-pill);border:1px solid var(--border-strong);background:color-mix(in srgb,var(--panel) 85%,transparent);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:var(--muted);cursor:pointer;line-height:1;opacity:0;transition:opacity .15s,color .15s,border-color .15s}.book-card:hover .book-card-del{opacity:1}.book-card-del:hover{color:var(--red);border-color:var(--red)}.book-reader{display:flex;flex-direction:column;flex:1;min-height:0}.book-toolbar{display:flex;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-4)}.book-title{font-weight:600;font-size:16px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:-.01em}.book-controls{display:flex;align-items:center;gap:var(--sp-2)}.book-chapter-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding:8px 32px 8px 12px;border-radius:var(--r-sm);border:1px solid var(--border-strong);background:var(--panel);color:var(--text);font:inherit;font-size:13px;max-width:260px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center}.book-split{flex:1;min-height:0;display:flex;flex-direction:column}.book-pane{display:flex;flex-direction:column;min-height:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-4) var(--sp-6)}.book-divider{flex:0 0 18px;display:flex;align-items:center;justify-content:center;cursor:row-resize;touch-action:none}.book-divider-grip{width:56px;height:4px;border-radius:var(--r-pill);background:var(--border-strong);transition:background .15s,width .15s}.book-divider:hover .book-divider-grip{background:var(--accent);width:80px}.book-pane-en .book-pane-body,.book-pane-ru .book-pane-body.book-ru-scroll{overflow-y:auto;overflow-x:hidden;scrollbar-gutter:stable}.book-pane-body{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.book-pane-body::-webkit-scrollbar{width:7px}.book-pane-body::-webkit-scrollbar-track{background:transparent}.book-pane-body::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}.book-pane-body:hover::-webkit-scrollbar-thumb{background:var(--muted)}.book-pane-label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-bottom:var(--sp-4)}.book-pane-body{flex:1;min-height:0;overflow:hidden;line-height:1.75;font-family:var(--font-read)}.book-para{display:grid;grid-template-columns:36px 1fr;gap:var(--sp-2);align-items:start;margin-bottom:var(--sp-5)}.book-para:last-child{margin-bottom:0}.book-pane-ru .book-para{grid-template-columns:1fr}.book-reader .para-cell{font-size:1em;line-height:1.75;padding:0;background:none;border:none;border-radius:0;font-family:var(--font-read)}.book-reader .para-gutter{padding-top:2px;gap:6px}.book-reader .pbtn{width:31px;height:31px}.book-reader .pbtn svg{width:19px;height:19px}.para-pending{color:var(--muted)}.book-nav{display:flex;align-items:center;justify-content:center;gap:var(--sp-5);margin-top:var(--sp-4)}.book-pos{color:var(--muted);font-size:13px;min-width:130px;text-align:center;font-variant-numeric:tabular-nums}.book-measurer{position:absolute;visibility:hidden;pointer-events:none;left:-9999px;top:0;height:auto;overflow:visible;font-family:var(--font-read);line-height:1.75}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--sp-5)}.auth-loading{color:var(--muted)}.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-8) var(--sp-6);box-shadow:var(--shadow-2);display:flex;flex-direction:column;gap:var(--sp-4)}.auth-title{font-size:24px;font-weight:650;margin:0;letter-spacing:-.02em}.auth-lead{color:var(--muted);font-size:15px;margin:calc(-1 * var(--sp-2)) 0 var(--sp-2)}.auth-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.auth-field input{padding:11px 13px;border:1px solid var(--border-strong);border-radius:var(--r-sm);background:var(--bg);color:var(--text);font-size:15px}.auth-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--xhl)}.auth-submit{margin-top:var(--sp-2);padding:12px;font-size:15px}.auth-error{background:var(--score-bad-bg);color:var(--text);border-radius:var(--r-sm);padding:9px 12px;font-size:13px}.auth-notice{background:var(--score-match-bg);border-radius:var(--r-sm);padding:9px 12px;font-size:13px}.auth-switch{text-align:center;color:var(--muted);font-size:13px;margin:var(--sp-1) 0 0}.linklike{background:none;border:none;color:var(--accent);cursor:pointer;font:inherit;padding:0;text-decoration:underline}.user-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--r-pill);background:var(--panel-2);border:1px solid var(--border-strong);color:var(--muted);cursor:default}@media(max-width:820px){.app-main{padding:var(--sp-5) var(--sp-4)}.app-header{padding:var(--sp-4)}.library-head h2{font-size:24px}}