:root{color:#18202a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f7f8fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,select,textarea{font:inherit}.app-shell{color:#17202b;background:#f4f6f8;min-height:100svh}.app-header{z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffffff5;border-bottom:1px solid #d8dee6;grid-template-columns:auto minmax(260px,1fr) auto;align-items:center;gap:28px;min-height:76px;padding:12px clamp(20px,4vw,56px);display:grid;position:sticky;top:0}.brand-block{gap:2px;display:grid}.brand-block strong{color:#111821;font-size:1.15rem}.app-nav{gap:5px;display:flex}.app-nav a{color:#526174;border-radius:7px;padding:9px 12px;font-size:.9rem;font-weight:750;text-decoration:none}.app-nav a:hover,.app-nav a.active{color:#155749;background:#e5f1ee}.app-header-actions,.sync-summary{align-items:center;gap:8px;display:flex}.language-picker select{min-width:112px}.sync-summary button{min-height:36px;padding:7px 10px;font-weight:700}.sync-count{color:#637184;font-size:.78rem;font-weight:700}.quiet-button{color:#59687b;border-color:#0000}.app-content{width:100%}.screen{width:min(1180px,100%);margin:0 auto;padding:34px clamp(20px,4vw,56px) 56px}.screen-header{justify-content:space-between;align-items:end;gap:28px;margin-bottom:24px;display:flex}.screen-header h1,.reader-header h1,.reader-empty h1,.fatal-recovery h1{color:#111821;margin:4px 0 0;font-size:1.8rem;line-height:1.1}.screen-header>p{color:#637184;max-width:440px;line-height:1.5}.library-header-actions{align-items:center;gap:18px;display:flex}.library-header-actions p{color:#637184;max-width:440px;line-height:1.5}.import-trigger,.empty-state-action{flex-shrink:0;width:fit-content}.surface{background:#fff;border:1px solid #d9e0e8;border-radius:8px;padding:20px}.reader-screen{gap:18px;display:grid}.task-notice{z-index:9;justify-content:space-between;align-items:center;gap:16px;width:min(1068px,100% - 40px);margin:16px auto 0;display:flex;position:relative}.task-notice>span:first-child{gap:2px;display:grid}.notice-actions{flex-shrink:0;gap:7px;display:flex}.notice-actions button{padding:6px 9px;font-weight:700}.empty-state-panel{color:#637184;background:#f7f9fb;border:1px dashed #ccd6e1;border-radius:8px;gap:6px;padding:22px;display:grid}.empty-state-action{margin-top:10px}.fatal-recovery{color:#526174;background:#fff;border:1px solid #d9e0e8;border-radius:8px;gap:12px;width:min(520px,100% - 40px);margin:15vh auto;padding:28px;display:grid}.fatal-recovery .primary-button,.reader-empty .primary-button{width:fit-content}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.library-panel{background:#fff;border-right:1px solid #d8dee6;align-content:start;gap:20px;min-height:100svh;padding:24px;display:grid}.panel-header,.reader-header,.section-title{justify-content:space-between;align-items:center;gap:16px;display:flex}.panel-header h1,.reader-header h2,.reader-empty h2{color:#111821;letter-spacing:0;margin:4px 0 0;font-size:1.7rem;line-height:1.1}.eyebrow{color:#637184;letter-spacing:0;text-transform:uppercase;margin:0;font-size:.76rem;font-weight:700}h2,h3,p{margin:0}h2{color:#111821;letter-spacing:0;font-size:1rem}h3{color:#111821;letter-spacing:0;font-size:.98rem}button,input,select,textarea{border:1px solid #cbd3df;border-radius:7px}button,select,input[type=file]{cursor:pointer}button{color:#16202d;background:#fff}button:disabled{cursor:not-allowed;color:#8793a2;background:#edf1f5}input,select,textarea{color:#182331;background:#fff;width:100%;min-width:0;padding:9px 10px}textarea{resize:vertical;line-height:1.45}label{color:#536276;gap:6px;font-size:.88rem;font-weight:650;display:grid}.import-panel,.file-list,.sync-panel{gap:12px;display:grid}.import-dialog{background:0 0;border:0;width:min(620px,100% - 32px);max-height:calc(100dvh - 32px);padding:0;overflow:auto}.import-dialog::backdrop{background:#1118218c}.import-dialog .import-panel{padding:24px;box-shadow:0 18px 50px #11182138}.dialog-header,.dialog-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.dialog-header h2{margin-top:4px}.dialog-close{align-self:start}.dialog-actions{justify-content:flex-end;padding-top:4px}.dialog-actions .primary-button{width:auto}.sync-panel{background:#f8fafb;border:1px solid #d9e0e8;border-radius:8px;padding:14px}.sync-badge{border-radius:999px;padding:4px 8px;font-size:.76rem;font-weight:800}.sync-badge.pending{color:#6f4a0d;background:#fff1d8}.sync-badge.syncing{color:#214d7a;background:#dcecff}.sync-badge.failed{color:#842a2a;background:#f8dede}.sync-badge.synced{color:#1f5b4a;background:#dff0eb}.sync-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.sync-stats span{color:#617085;background:#fff;border:1px solid #dce3eb;border-radius:7px;gap:2px;padding:9px;font-size:.76rem;font-weight:700;display:grid}.sync-stats strong{color:#16202d;font-size:1rem}.sync-meta{color:#637184;overflow-wrap:anywhere;gap:3px;font-size:.78rem;line-height:1.35;display:grid}.form-grid{grid-template-columns:minmax(0,1fr) 104px;gap:10px;display:grid}.primary-button{color:#fff;background:#1f6f5f;border-color:#1f6f5f;width:100%;padding:11px 14px;font-weight:750}.file-list-items{gap:8px;display:grid}.file-row{text-align:left;border-color:#d9e0e8;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;width:100%;padding:11px;display:grid}.file-row.active{border-color:#1f6f5f;box-shadow:inset 3px 0 #1f6f5f}.file-row span:first-child{gap:2px;min-width:0;display:grid}.file-row strong,.file-row small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.file-row small{color:#647287;font-size:.78rem}.progress-pill{color:#295247;background:#e2f0ec;border-radius:999px;padding:4px 7px;font-size:.78rem;font-weight:750}.empty-state,.reader-empty p{color:#637184}.reader-panel{align-content:start;gap:18px;padding:28px clamp(20px,4vw,56px);display:grid}.reader-header{min-height:56px}.reader-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.read-toggle{color:#273545;background:#fff;border:1px solid #d4dbe5;border-radius:7px;align-items:center;gap:8px;padding:9px 11px;display:flex}.danger-button{color:#842a2a;background:#fff7f7;border-color:#efcaca;min-height:38px;padding:8px 11px;font-weight:750}.read-toggle input{width:auto}.message{color:#344457;background:#e8eef5;border:1px solid #d4dde8;border-radius:7px;padding:10px 12px}.message.error{color:#7c2424;background:#fae7e7;border-color:#efcaca}.sentence-card{background:#fff;border:1px solid #d9e0e8;border-radius:8px;gap:18px;padding:clamp(20px,4vw,42px);display:grid}.sentence-meta{color:#607085;flex-wrap:wrap;gap:10px 18px;font-size:.88rem;font-weight:700;display:flex}.sentence-text{color:#111821;overflow-wrap:anywhere;font-size:2.35rem;line-height:1.32}.sentence-token{min-height:0;color:inherit;font:inherit;vertical-align:baseline;background:0 0;border:0;border-radius:4px;padding:0 2px;display:inline}.sentence-token.learned{color:#245f89}.sentence-token.selected{background:#dbeefa;box-shadow:0 0 0 2px #dbeefa}.reader-controls{grid-template-columns:minmax(110px,1fr) 116px minmax(110px,1fr);align-items:end;gap:10px;display:grid}.reader-controls button{height:42px;padding:0 14px;font-weight:750}.tokens-panel{gap:12px;padding-top:8px;display:grid}.section-title span{color:#627084;font-size:.86rem;font-weight:750}.token-list{flex-wrap:wrap;gap:8px;display:flex}.token{color:#213041;background:#fff;border-color:#d3dbe5;min-height:34px;padding:6px 10px;font-weight:650}.token.learned{color:#fff;background:#336c93;border-color:#336c93}.token.selected{border-color:#111821;box-shadow:0 0 0 2px #11182114}.token.static{cursor:default;color:#344457;background:#eef2f6}.token-list.compact{gap:6px}.token-list.compact .token{min-height:28px;padding:4px 8px;font-size:.82rem}.lookup-panel,.segmentation-panel{background:#fff;border:1px solid #d9e0e8;border-radius:8px;gap:10px;padding:14px;display:grid}.lookup-panel .section-title button{min-height:32px;padding:5px 9px;font-weight:750}.lookup-entries{gap:8px;display:grid}.lookup-entry{background:#f7f9fb;border:1px solid #dde4ed;border-radius:7px;gap:3px;padding:9px;display:grid}.lookup-entry span{color:#617085;font-size:.82rem;font-weight:700}.lookup-entry p{color:#344457;font-size:.88rem;line-height:1.4}.segmentation-actions{grid-template-columns:minmax(90px,.35fr) minmax(0,1fr);gap:10px;display:grid}.segmentation-actions button{min-height:40px;padding:8px 11px;font-weight:750}.insights-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.review-content{width:min(580px,100%)}.review-content,.progress-content{gap:14px;display:grid}.progress-content{width:min(1080px,100%)}.screen-state,.screen-notice{color:#526174;background:#fff;border:1px solid #d9e0e8;border-radius:8px;gap:6px;padding:16px;display:grid}.screen-state p,.screen-notice span{line-height:1.45}.screen-state.empty{background:#f7f9fb;border-style:dashed;padding:22px}.screen-notice{background:#f7f9fb;grid-template-columns:minmax(0,1fr) auto;align-items:center}.screen-notice>span{gap:2px;display:grid}.screen-notice.offline{color:#5e4a22;background:#fff8e8;border-color:#ead7aa;align-items:baseline;display:flex}.screen-notice.error{color:#7c2424;background:#fae7e7;border-color:#efcaca}.screen-notice button{padding:7px 10px;font-weight:700}.insight-panel{background:#fff;border:1px solid #d9e0e8;border-radius:8px;align-content:start;gap:10px;padding:16px;display:grid}.metric-row{color:#5c6c80;justify-content:space-between;align-items:center;gap:12px;font-size:.9rem;display:flex}.metric-row strong{color:#17202b}.progress-toolbar,.progress-view-tabs{align-items:center;gap:4px;display:flex}.progress-toolbar{background:#e9eef3;border-radius:9px;width:fit-content;max-width:100%;padding:4px;overflow-x:auto}.progress-toolbar button,.progress-view-tabs button{color:#59697c;white-space:nowrap;background:0 0;border:0;border-radius:6px;min-width:48px;padding:7px 11px;font-size:.82rem;font-weight:750}.progress-toolbar button.active,.progress-view-tabs button.active{color:#123f37;background:#fff;box-shadow:0 1px 3px #14233224}.progress-refreshing{color:#637184;padding-inline:8px;font-size:.78rem}.progress-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.progress-metrics article{background:#fff;border:1px solid #d9e0e8;border-radius:8px;gap:5px;min-width:0;padding:16px;display:grid}.progress-metrics span,.progress-metrics small{color:#637184}.progress-metrics span{letter-spacing:.02em;text-transform:uppercase;font-size:.78rem;font-weight:750}.progress-metrics strong{color:#17202b;font-size:clamp(1.45rem,3vw,2rem);line-height:1}.progress-metrics small{text-overflow:ellipsis;font-size:.78rem;line-height:1.35;overflow:hidden}.progress-panel{gap:14px;padding:20px}.progress-section-title{align-items:end}.progress-section-title>div{gap:2px;display:grid}.progress-section-title .eyebrow{font-size:.7rem}.progress-section-title>span{color:#637184;font-size:.82rem}.progress-view-tabs{background:#f0f3f6;border-radius:7px;width:fit-content;padding:3px}.progress-chart-wrap{width:100%;overflow-x:auto}.progress-chart{width:100%;min-width:520px;height:auto;display:block}.progress-chart-grid{stroke:#dfe5eb;stroke-width:1px}.progress-chart-axis{fill:#68778a;font-size:11px}.chart-reading,.legend-swatch.reading{fill:#28796b;background:#28796b}.chart-review,.legend-swatch.review{fill:#7196c4;background:#7196c4}.chart-other,.legend-swatch.other{fill:#a6b0bc;background:#a6b0bc}.comprehension-line{fill:none;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.comprehension-line.token,.legend-swatch.token{stroke:#c05d43;background:#c05d43}.comprehension-line.unique,.legend-swatch.unique{stroke:#8065a8;background:#8065a8}.comprehension-line.sentence,.legend-swatch.sentence{stroke:#b8872c;background:#b8872c}.chart-legend{color:#59697c;flex-wrap:wrap;gap:14px;font-size:.78rem;display:flex}.chart-legend span{align-items:center;gap:6px;display:inline-flex}.legend-swatch{border-radius:3px;width:11px;height:11px;display:inline-block}.chart-summary,.progress-explainer{color:#637184;font-size:.82rem;line-height:1.45}.progress-explainer{border-top:1px solid #e6eaef;padding-top:10px}.book-chart{gap:10px;display:grid}.book-chart-row{grid-template-columns:minmax(90px,170px) minmax(120px,1fr) 36px;align-items:center;gap:10px;min-width:0;display:grid}.book-chart-label{color:#46576b;text-overflow:ellipsis;white-space:nowrap;font-size:.84rem;font-weight:700;overflow:hidden}.book-chart-track{background:#edf1f4;border-radius:4px;height:20px;display:flex;overflow:hidden}.book-chart-track>span{height:100%;display:block}.book-chart-row>strong{color:#17202b;text-align:right;font-size:.85rem}.review-session{gap:8px;display:grid}.review-hint,.review-completion>p{color:#637184;font-size:.88rem;line-height:1.4}.review-completion-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.review-completion-metrics div{text-align:center;background:#f0f6f4;border-radius:7px;gap:2px;padding:12px;display:grid}.review-completion-metrics strong{color:#155749;font-size:1.25rem}.review-completion-metrics span{color:#637184;font-size:.78rem;font-weight:700}.review-card-row{background:#f7f9fb;border:1px solid #dde4ed;border-radius:7px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px;display:grid}.review-card-row>span:first-child{gap:2px;min-width:0;display:grid}.review-card-row strong,.review-card-row small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.review-card-row small{color:#66768a;font-size:.78rem}.review-answer-buttons{gap:6px;display:flex}.answer{min-height:32px;padding:5px 8px;font-weight:700}.answer.active{color:#fff;background:#336c93;border-color:#336c93}.reader-empty{background:#fff;border:1px solid #d9e0e8;border-radius:8px;gap:8px;padding:32px;display:grid}@media (width<=1040px){.app-header{grid-template-columns:auto 1fr}.app-header-actions{grid-column:1/-1;justify-content:space-between}}@media (width<=860px){.app-header{gap:12px;position:static}.progress-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=560px){.library-panel,.reader-panel,.screen{padding-inline:16px}.app-header{grid-template-columns:1fr;padding-inline:16px}.app-nav{grid-row:2;overflow-x:auto}.app-header-actions{flex-direction:column;grid-column:auto;align-items:stretch}.sync-summary{flex-wrap:wrap}.sync-count{display:none}.screen-header,.task-notice,.library-header-actions{flex-direction:column;align-items:stretch}.import-trigger{width:100%}.panel-header,.reader-header{flex-direction:column;align-items:stretch}.reader-actions{justify-content:stretch}.form-grid,.reader-controls,.segmentation-actions,.insights-grid{grid-template-columns:1fr}.sentence-text{font-size:1.55rem}.review-card-row,.screen-notice{grid-template-columns:1fr}.screen-notice.offline{display:grid}.progress-toolbar{width:100%}.progress-metrics{grid-template-columns:1fr}.progress-panel{padding:16px}.progress-section-title{flex-direction:column;align-items:start}.book-chart-row{grid-template-columns:minmax(80px,.8fr) minmax(100px,1fr) 30px}.review-answer-buttons button{flex:1}}
