:root{--ink:#17223a;--muted:#61708a;--paper:#f6f8fb;--panel:#fff;--line:#dbe3ef;--blue:#3c78d8;--blue-soft:#e9f1ff;--quiet:#f8fafc;--shadow:0 10px 28px rgba(21,35,60,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 'Host Grotesk',Arial,sans-serif}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:1rem;top:1rem;z-index:8;background:var(--panel);padding:.6rem}.topbar{height:58px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(1.25rem,calc((100vw - 1400px)/2));position:sticky;top:0;z-index:3}.brand{display:flex;align-items:center;gap:.45rem;color:var(--ink);font-weight:700;text-decoration:none}.brand span{display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:var(--ink);color:#fff;font-size:.75rem}.topbar p,.eyebrow,.passage-label{font-size:.72rem;letter-spacing:.1em;font-weight:700;color:var(--muted);margin:0}.quiet-button,.tool,.action{font:inherit;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:.48rem .7rem;color:var(--ink);cursor:pointer}.tool:hover,.quiet-button:hover{border-color:var(--blue)}.action,.tool.primary{background:var(--ink);border-color:var(--ink);color:#fff}.action:hover,.tool.primary:hover{background:#2e4771}.shell{max-width:1400px;margin:auto;padding:18px 24px 36px}.crumbs{display:flex;gap:.55rem;color:var(--muted);font-size:.88rem}.exercise-head{display:flex;justify-content:space-between;gap:2rem;padding:20px 0 14px}.exercise-head h1{font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.05;letter-spacing:-.04em;margin:.35rem 0 .45rem;max-width:830px}.goal{max-width:700px;color:var(--muted);margin:0}.level{display:flex;gap:.55rem;align-items:center;min-width:106px;border-left:3px solid var(--blue);padding-left:.75rem}.level strong{font-size:1.9rem;line-height:1}.level span{font-size:.8rem;line-height:1.1;color:var(--muted)}.progress{list-style:none;margin:0 0 16px;padding:0;display:flex;gap:18px;overflow:auto;font-size:.82rem;color:var(--muted)}.progress li{white-space:nowrap;display:flex;align-items:center;gap:.4rem}.progress span{display:grid;place-items:center;width:21px;height:21px;border:1px solid var(--line);border-radius:50%;font-size:.7rem}.progress .active{color:var(--ink);font-weight:700}.progress .active span{background:var(--blue);border-color:var(--blue);color:#fff}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:18px;align-items:start}.reader-panel,.guide-panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.reader-panel{overflow:hidden}.tools{border-bottom:1px solid var(--line);padding:10px 16px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.speed-control{display:flex;align-items:center;gap:.42rem;min-height:36px;padding:.22rem .35rem .22rem .65rem;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:.76rem;font-weight:600}.speed-control select{border:0;padding:.35rem;background:var(--quiet);color:var(--ink);font:inherit}#tool-status{font-size:.78rem;color:var(--muted);margin:0 0 0 auto}.stage{padding:28px clamp(18px,4vw,48px) 40px}.stage h2{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.18;letter-spacing:-.035em;margin:.5rem 0 1rem}.stage p{max-width:68ch}.stage>.action{margin-top:1rem}.stage-heading{display:flex;justify-content:space-between;align-items:center;gap:1rem}.count{white-space:nowrap;font-weight:700;color:var(--muted)}.intro-copy{color:var(--muted)}.reading-map,.paper-note,.important,.source-map{border-radius:10px;padding:1rem 1.2rem;margin:1.2rem 0;background:var(--blue-soft)}.reading-map ol,.source-map ul{margin:.4rem 0 0;padding-left:1.3rem}.paper-note{background:#fffdf5;border:1px solid #ece2c6}.important{border-left:4px solid var(--blue)}.passage{padding-top:.8rem}.passage h2{margin:.5rem 0 1.25rem}.passage-copy{font-size:1.06rem;line-height:1.78}.passage-copy p{margin:0 0 1.15rem;max-width:72ch}.line-number{font-size:.75rem;color:var(--muted);font-weight:700;margin-right:.35rem;white-space:nowrap}.pause-card{background:#fffdf5;border:1px solid #ece2c6;border-radius:10px;padding:1rem 1.2rem;margin:1.7rem 0}.pause-card h3{margin:.35rem 0;font-size:1.12rem}.pause-card p{margin:.4rem 0}.nav-actions{display:flex;justify-content:space-between;gap:1rem;margin-top:1.3rem}.prompts{padding-left:1.5rem}.prompts li{margin:0 0 1.1rem;padding-left:.3rem;font-weight:600}.guide-panel{padding:0 16px}.guide-section{padding:18px 0;border-bottom:1px solid var(--line)}.guide-section:last-child{border-bottom:0}.guide-section h2{font-size:1rem;margin:0 0 .5rem}.guide-section p,.guide-section li{font-size:.87rem;color:var(--muted)}.guide-section ol{padding-left:1.3rem}.guide-section details{border-top:1px solid var(--line);padding:.5rem 0}.guide-section summary{cursor:pointer;font-size:.88rem;font-weight:700}.guide-section details p{margin:.3rem 0}.footer{padding:2rem 0;color:var(--muted);font-size:.78rem}.large-text .passage-copy{font-size:1.26rem}.stage[hidden],.passage[hidden]{display:none!important}button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
body.dark{--ink:#e8eef9;--muted:#a9b8d0;--paper:#101827;--panel:#19263a;--line:#354660;--blue:#83adff;--blue-soft:#243b60;--quiet:#243247;--shadow:none}.dark .brand span,.dark .action,.dark .tool.primary{background:#83adff;border-color:#83adff;color:#101827}.dark .paper-note,.dark .pause-card{background:#29283a;border-color:#555172}.dark .important{background:#243b60}
@media(max-width:860px){.workspace{grid-template-columns:1fr}.guide-panel{order:2}.exercise-head{gap:1rem}.shell{padding:16px}.topbar{padding:0 16px}#tool-status{margin-left:0;width:100%}}@media(max-width:520px){.topbar p{display:none}.level{display:none}.progress{gap:10px}.stage{padding:22px 18px 30px}.nav-actions{flex-wrap:wrap}}
.reader-panel{overflow:visible}
.word-help{margin:1.1rem 0;padding:.75rem 1rem;border-left:3px solid var(--blue);border-radius:8px;background:var(--blue-soft)}.word-help p{margin:0;max-width:70ch;font-size:.92rem;line-height:1.55}
.tools{position:sticky;top:58px;z-index:2;background:var(--panel);border-radius:14px 14px 0 0;box-shadow:0 8px 18px rgba(21,35,60,.06)}
.stage{scroll-margin-top:150px}
.reading-word{cursor:pointer;border-radius:3px;transition:background-color .12s ease}
.reading-word:hover{background:var(--blue-soft)}
.reading-word.spoken-word{background:#cfe0ff;color:#17223a;box-shadow:0 0 0 2px #cfe0ff}
.reading-word.selected-word{background:#fff1b8;color:#17223a;box-shadow:0 0 0 2px #fff1b8}
.reading-word:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.dark .reading-word.spoken-word{background:#83adff;color:#101827;box-shadow:0 0 0 2px #83adff}
.dark .reading-word.selected-word{background:#f3d477;color:#101827;box-shadow:0 0 0 2px #f3d477}
#return-check{margin-top:1rem}
.workspace.opening-screen{grid-template-columns:minmax(0,1fr)}
.workspace.opening-screen .guide-panel{display:none}
.passage-illustration{margin:1.35rem 0 1.8rem}
.passage-illustration img{display:block;width:100%;height:auto;border-radius:10px;background:#fff;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1)}
.dark .passage-illustration img{box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}

/* V2 reader controls and Learning Loop */
.passage-copy{font-size:1.26rem}
.quiet-button,.tool,.action{min-height:40px}.speed-control{min-height:40px}
.highlight-tools{display:flex;align-items:center;gap:6px;min-height:40px;padding:0 8px;border:1px solid var(--line);border-radius:8px}.highlight-tools>span{font-size:.76rem;font-weight:700;color:var(--muted)}.highlight-color{width:25px;height:25px;border:2px solid var(--panel);border-radius:50%;box-shadow:0 0 0 1px var(--line);cursor:pointer}.highlight-color:hover{transform:scale(1.08)}.highlight-color.yellow{background:#ffe681}.highlight-color.green{background:#a8e8ba}.highlight-color.blue{background:#a9d5ff}.reader-highlight{color:inherit;border-radius:0;padding:0}.highlight-yellow{background:#ffe681}.highlight-green{background:#a8e8ba}.highlight-blue{background:#a9d5ff}.dark .reader-highlight{color:#101827}
.loop-help-button{width:100%;padding:12px;text-align:left;border:1px solid #bdd1f4;border-radius:10px;background:var(--blue-soft);color:var(--ink);cursor:pointer}.loop-help-button span{display:block;font-weight:750}.loop-help-button small{display:block;margin-top:3px;color:var(--muted);font:inherit;font-size:.78rem}.loop-help-button:hover{border-color:var(--blue)}
.app-dialog{width:min(1100px,calc(100vw - 28px));max-height:calc(100dvh - 28px);padding:0;border:0;border-radius:18px;background:var(--panel);color:var(--ink);box-shadow:0 28px 90px rgba(10,22,45,.28)}.app-dialog::backdrop{background:rgba(13,24,43,.62);backdrop-filter:blur(3px)}.dialog-shell{display:flex;flex-direction:column;max-height:calc(100dvh - 28px)}.dialog-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:22px 24px 14px;border-bottom:1px solid var(--line)}.dialog-header h2{margin:.2rem 0 0;font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.1;letter-spacing:-.03em}.dialog-header p:not(.eyebrow){margin:.5rem 0 0;color:var(--muted)}.dialog-close{flex:0 0 auto;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--quiet);color:var(--ink);font-size:1.6rem;line-height:1;cursor:pointer}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 24px;border-top:1px solid var(--line);background:var(--panel)}
.loop-dialog-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:22px;min-height:0;padding:20px 24px;overflow:auto}.loop-dialog figure{margin:0;align-self:center}.loop-dialog figure img{display:block;width:100%;max-height:64dvh;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:12px}.current-loop-step{align-self:center;padding:22px;border:1px solid #b9d0f7;border-radius:14px;background:linear-gradient(145deg,var(--blue-soft),var(--panel))}.current-step-heading{display:flex;align-items:center;gap:12px;margin:.35rem 0}.current-step-heading>span{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--blue);color:#fff;font-size:1.25rem;font-weight:800}.current-step-heading h3{margin:0;font-size:1.5rem;line-height:1.1}.current-loop-step>p:not(.eyebrow){margin:.7rem 0 1.2rem}.loop-step-chips{display:grid;gap:7px}.loop-step-chip{display:flex;align-items:center;gap:8px;width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);font:inherit;font-size:.82rem;text-align:left}.loop-step-chip span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--quiet);font-size:.72rem;font-weight:800}.loop-step-chip.active{border-color:var(--blue);color:var(--ink);font-weight:750;box-shadow:inset 3px 0 0 var(--blue)}.loop-step-chip.active span{background:var(--blue);color:#fff}
.print-dialog{width:min(980px,calc(100vw - 28px))}.print-preview{min-height:0;overflow:auto;padding:22px;background:#e8edf5}.print-packet{display:grid;gap:22px}.print-sheet{width:min(100%,816px);min-height:1056px;margin:auto;padding:48px;background:#fff;color:#17223a;box-shadow:0 8px 28px rgba(21,35,60,.13)}.print-sheet header{display:flex;justify-content:space-between;gap:20px;padding-bottom:12px;border-bottom:2px solid #17223a}.print-sheet header p,.print-sheet header span{margin:0;font-size:.75rem;font-weight:800;letter-spacing:.08em}.print-sheet h2{font-size:1.7rem;line-height:1.15}.print-sheet h3{font-size:1rem}.sheet-note{color:#53617a}.open-canvas,.explanation-canvas{height:690px;margin-top:24px;border:1px solid #9aa8bd;background:repeating-linear-gradient(#fff 0 34px,#dfe5ed 35px)}.notes-grid{display:grid;grid-template-columns:32% 68%;height:720px;margin-top:24px;border:1px solid #9aa8bd}.notes-grid section{padding:14px;border-right:1px solid #9aa8bd}.notes-grid section:last-child{border-right:0}.summary-space{height:145px;padding:14px;border:1px solid #9aa8bd;border-top:0}.sheet-callout{padding:14px 16px;border-left:5px solid #3c78d8;background:#edf4ff}.sheet-callout.improve{margin-top:18px;border-color:#eb7500;background:#fff4e8}.explain-sheet ol{margin-bottom:18px}.explanation-canvas{height:515px}.strategy-sheet ul{list-style:none;padding:0;font-size:1.08rem}.strategy-sheet li{margin:0 0 18px}.strategy-write{min-height:92px;padding:14px 0;border-bottom:1px solid #9aa8bd}.strategy-sheet hr{margin:38px 0;border:0;border-top:2px solid #17223a}
@media(max-width:760px){.loop-dialog-grid{grid-template-columns:1fr;padding:16px}.loop-dialog figure img{max-height:42dvh}.current-loop-step{padding:16px}.dialog-header,.dialog-actions{padding-left:16px;padding-right:16px}.dialog-actions{flex-wrap:wrap}.dialog-actions>*{flex:1 1 180px}.print-sheet{min-height:900px;padding:28px}.notes-grid{height:590px}.open-canvas{height:560px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reading-word,.highlight-color{transition:none}}
@media print{body>*{display:none!important}.print-dialog[open]{display:block!important;position:static;width:auto;max-height:none;margin:0;background:#fff;box-shadow:none}.print-dialog::backdrop,.print-dialog .dialog-header,.print-dialog .dialog-actions{display:none!important}.print-dialog .dialog-shell,.print-preview{display:block;max-height:none;overflow:visible;padding:0;background:#fff}.print-packet{display:block}.print-sheet{display:block;width:auto;min-height:0;height:100vh;margin:0;padding:.45in;box-shadow:none;break-after:page;page-break-after:always}.print-sheet:last-child{break-after:auto;page-break-after:auto}.open-canvas{height:6.6in}.notes-grid{height:6.3in}.summary-space{height:1.15in}.explanation-canvas{height:4.45in}@page{size:letter;margin:0}}

/* Five-step loop and revised print sheets */
.loop-overview{display:grid;gap:10px;padding:18px;background:linear-gradient(160deg,#f7faff,#edf3ff);border:1px solid var(--line);border-radius:14px}.loop-overview .loop-step-chip{position:relative;min-height:64px;padding:12px 16px;border-width:2px;font-size:1rem;font-weight:750}.loop-overview .loop-step-chip:not(:last-child)::after{content:"↓";position:absolute;left:25px;bottom:-18px;z-index:1;color:var(--blue);font-weight:800}.loop-overview .loop-step-chip:nth-child(4){border-color:#e6b26a}.loop-overview .loop-step-chip:nth-child(5){border-color:#ef9d9d}.loop-overview .loop-step-chip.active{background:var(--blue-soft);box-shadow:inset 5px 0 0 var(--blue),0 5px 15px rgba(60,120,216,.12)}
.sheet-meta,.card-meta{display:grid;grid-template-columns:auto 1fr auto 110px;align-items:end;gap:12px;margin:18px 0;font-weight:700}.sheet-meta>span,.card-meta>span{height:1.2em;border-bottom:2px solid #17223a}.field-notes-sheet header h2{margin:0;font-size:2.2rem;letter-spacing:-.04em}.field-notes-sheet .notes-grid{height:690px}.field-notes-sheet .summary-space{height:150px}.know-sheet .open-canvas{height:740px}
.explain-sheet{padding:30px 36px}.explain-title-row{display:grid;grid-template-columns:auto 1fr;align-items:end;gap:30px}.explain-title-row>h2{margin:0;font-size:3.9rem;letter-spacing:-.07em;white-space:nowrap}.explain-title-row>div{display:grid;text-align:center}.explain-title-row>div strong,.explain-title-row>div span{padding:5px 8px;border:2px solid #17223a}.explain-title-row>div span{border-top:0;font-weight:700}.explain-direction{margin:.35rem 0}.broad-print-prompt{margin:.5rem 0;color:#53617a;font-size:.85rem}.explain-sheet .explanation-canvas{height:455px;margin:12px 0 10px;border:3px solid #17223a;background:#fff}.focused-questions{display:grid;gap:6px}.focused-question{min-height:58px}.focused-question>div{height:32px;border-bottom:1px solid #9aa8bd}.reopen-direction{margin:.4rem 0 0;font-size:.82rem;line-height:1.25}
.card-sheet{display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(3,1fr);gap:14px;padding:26px}.reflection-card{min-width:0;padding:14px 16px;border:3px solid #111}.reflection-card h2{margin:0;font-size:1.65rem;letter-spacing:-.04em}.card-subtitle{margin:-5px 0 10px;font-weight:750}.reflection-card .card-meta{grid-template-columns:auto 1fr auto 70px;gap:8px;margin:6px 0 10px;font-size:.82rem}.reflection-card p{margin:7px 0 0;font-size:.85rem}.card-writing-space{height:36px}.look-back-card .card-writing-space{height:45px}
@media(max-width:760px){.loop-overview{padding:12px}.explain-title-row{grid-template-columns:1fr}.explain-title-row>h2{font-size:3rem}.card-sheet{grid-template-columns:1fr;grid-template-rows:auto}.reflection-card{min-height:280px}}
@media print{.know-sheet .open-canvas{height:7.25in}.field-notes-sheet .notes-grid{height:6.35in}.field-notes-sheet .summary-space{height:1.25in}.explain-sheet{padding:.28in .35in}.explain-sheet .explanation-canvas{height:4.15in}.card-sheet{display:grid!important;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(3,1fr);gap:.12in;padding:.25in}.reflection-card{break-inside:avoid}.reflection-card h2{font-size:18pt}.reflection-card p{font-size:9pt}.card-writing-space{height:.34in}.look-back-card .card-writing-space{height:.43in}}

/* Reference-matched What I Know, Field Notes, and Explain It sheets */
.know-sheet,.field-notes-sheet,.explain-sheet{position:relative;padding:34px 38px 28px}.know-sheet>h2,.field-notes-sheet>h2{margin:0;font-size:2.8rem;line-height:1;letter-spacing:-.05em}.sheet-intro{margin:14px 0 18px;font-size:1rem;line-height:1.4}.sheet-meta.three-fields{grid-template-columns:auto 1.45fr auto 1fr auto 90px}.sheet-meta.explain-meta{grid-template-columns:auto 1fr auto 100px;margin:14px 0 18px 48%}.know-sheet .open-canvas{height:795px;margin-top:28px;border:2px solid #17223a;background:#fff}.sheet-footer{position:absolute;left:38px;bottom:16px;color:#818181;font-weight:650}
.field-notes-sheet .sheet-meta{margin:24px 0 26px}.notes-labels{display:grid;grid-template-columns:34% 66%;font-size:.8rem}.notes-labels strong{padding-bottom:5px}.field-notes-sheet .notes-grid{grid-template-columns:34% 66%;height:625px;margin:0;border:2px solid #17223a}.field-notes-sheet .notes-grid section{padding:0;border-right:2px solid #17223a}.field-notes-sheet .notes-grid section:last-child{border-right:0}.field-notes-sheet .summary-space{height:185px;padding:12px;border:2px solid #17223a;border-top:0}.field-notes-sheet .summary-space h3{margin:0;font-size:.8rem}
.explain-title-row{align-items:start}.explain-title-row .explain-heading{display:block;text-align:left}.explain-heading h2{margin:0;font-size:3.5rem;line-height:1;letter-spacing:-.06em;white-space:nowrap}.exercise-name{max-width:330px!important;margin:8px 0 0;font-size:.9rem;font-weight:700;line-height:1.2}.explain-title-row .explain-benefits{display:grid;text-align:center}.explain-title-row .explain-benefits strong,.explain-title-row .explain-benefits span{padding:5px 8px;border:2px solid #17223a}.explain-title-row .explain-benefits span{border-top:0;font-weight:700}.explain-sheet .explanation-canvas{height:435px;margin:14px 0 12px;border:2px solid #17223a}.explain-sheet .focused-questions{gap:7px}.explain-sheet .focused-question{min-height:62px;font-size:.86rem}.explain-sheet .focused-question>div{height:28px}.explain-sheet .reopen-direction{margin-top:6px;padding-right:20px}.explain-sheet .sheet-footer{bottom:10px}
@media print{.know-sheet,.field-notes-sheet,.explain-sheet{padding:.32in .38in .28in}.know-sheet .open-canvas{height:8.15in}.field-notes-sheet .notes-grid{height:6.4in}.field-notes-sheet .summary-space{height:1.75in}.explain-sheet .explanation-canvas{height:4.15in}.sheet-footer{left:.38in;bottom:.12in}}

/* Reading reminder, action spacing, and tactile controls */
.field-notes-tip{position:fixed;right:22px;bottom:22px;z-index:2;width:min(330px,calc(100vw - 32px));padding:18px 42px 18px 18px;border:1px solid #bfd1ee;border-left:5px solid var(--blue);border-radius:14px;background:var(--panel);color:var(--ink);box-shadow:0 16px 42px rgba(21,35,60,.2)}.field-notes-tip[hidden]{display:none}.field-notes-tip>strong{font-size:1.05rem}.field-notes-tip p{margin:.45rem 0 0;color:var(--muted);font-size:.9rem;line-height:1.45}.field-notes-tip button{position:absolute;top:9px;right:9px;width:30px;height:30px;border:0;border-radius:50%;background:var(--quiet);color:var(--ink);font-size:1.25rem;line-height:1;cursor:pointer}.stage-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:1.25rem}.stage-actions .tool,.stage-actions .action{margin:0}
.tool,.action,.quiet-button,.dialog-close,.loop-help-button,.highlight-color,.field-notes-tip button{transition:transform .16s cubic-bezier(.2,.8,.2,1),box-shadow .16s ease,border-color .16s ease,background-color .16s ease}.tool:hover,.quiet-button:hover,.dialog-close:hover,.loop-help-button:hover,.field-notes-tip button:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(21,35,60,.13)}.action:hover,.tool.primary:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,34,58,.24)}.highlight-color:hover{transform:translateY(-1px) scale(1.12);box-shadow:0 5px 12px rgba(21,35,60,.18)}.tool:active,.action:active,.quiet-button:active,.dialog-close:active,.loop-help-button:active,.highlight-color:active,.field-notes-tip button:active{transform:translateY(1px) scale(.97);box-shadow:inset 0 2px 4px rgba(21,35,60,.18)}button:disabled{transform:none!important;box-shadow:none!important;cursor:not-allowed;opacity:.55}
.dark .field-notes-tip{border-color:#405b83;border-left-color:var(--blue)}
.dark .strategy-picker label:has(input:checked){background:#193c2b;color:#e8f7ee;box-shadow:inset 0 0 0 1px #43b979}
@media(max-width:860px){.field-notes-tip{right:16px;bottom:16px}}

/* Progress, vocabulary help, strategy choice, completion, and dyslexia font */
@font-face{font-family:OpenDyslexic;src:url('assets/fonts/OpenDyslexic-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:OpenDyslexic;src:url('assets/fonts/OpenDyslexic-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
body.dyslexia-font,body.dyslexia-font button,body.dyslexia-font select,body.dyslexia-font input{font-family:OpenDyslexic,Arial,sans-serif}.dyslexia-font .passage-copy{line-height:1.9;letter-spacing:.015em}#dyslexia-toggle[aria-pressed="true"]{border-color:#2c9a5d;background:#e8f7ee;color:#17683c;box-shadow:inset 0 0 0 1px #2c9a5d}
.exercise-progress{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;flex:1 0 100%;padding-top:3px}.progress-track{height:8px;overflow:hidden;border-radius:999px;background:#e0e7e3}.progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#249a57,#43c878);transition:width .45s cubic-bezier(.2,.8,.2,1)}#progress-label{min-width:36px;color:var(--muted);font-size:.72rem;font-weight:750;text-align:right}.dark .progress-track{background:#304039}
.vocab-hover{position:relative;text-decoration:underline dotted var(--blue) 2px;text-underline-offset:3px;cursor:help}.vocab-hover::after{content:attr(data-definition);position:absolute;left:50%;bottom:calc(100% + 10px);z-index:7;width:max-content;max-width:min(280px,75vw);padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--ink);color:var(--panel);font:500 .78rem/1.4 'Host Grotesk',Arial,sans-serif;white-space:normal;opacity:0;visibility:hidden;transform:translate(-50%,5px);box-shadow:0 10px 25px rgba(21,35,60,.22);transition:opacity .14s ease,transform .14s ease,visibility .14s}.vocab-hover:hover::after,.vocab-hover:focus::after{opacity:1;visibility:visible;transform:translate(-50%,0)}
.finish-lead{font-size:1.05rem}.improvement-review{margin:1.35rem 0;padding:18px 20px;border:1px solid #cdd9ea;border-radius:12px;background:var(--quiet)}.improvement-review h3{margin:0 0 .6rem;font-size:1.05rem}.improvement-review ol{margin:0;padding-left:1.4rem}.improvement-review li{margin:.35rem 0}.improvement-grid{display:grid;grid-template-columns:minmax(290px,.82fr) minmax(420px,1.18fr);gap:18px;align-items:start}.strategy-picker,.strategy-guide{min-width:0;margin:0;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.strategy-picker legend{padding:0 .35rem;font-weight:750}.strategy-picker label{display:flex;align-items:flex-start;gap:9px;padding:8px;border-radius:8px;cursor:pointer}.strategy-picker label:hover{background:var(--blue-soft)}.strategy-picker input[type="radio"]{flex:0 0 auto;width:18px;height:18px;margin-top:2px;accent-color:#2c9a5d}.strategy-picker label:has(input:checked){background:#e8f7ee;box-shadow:inset 0 0 0 1px #8bd2a8}.own-strategy{flex-wrap:wrap}.own-strategy>input[type="text"]{flex:1 1 170px;min-width:0;border:0;border-bottom:2px solid var(--line);background:transparent;color:var(--ink);font:inherit}.strategy-picker>p{margin:.9rem .5rem 0;color:var(--muted);font-size:.86rem}.strategy-guide h3{margin:0 0 .75rem}.strategy-table{display:grid}.strategy-table>div{display:grid;grid-template-columns:1fr 1.25fr;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}.strategy-table>div:last-child{border-bottom:0}.strategy-table-head{padding-top:0!important;color:var(--muted);font-size:.78rem}.finish-actions{display:flex;align-items:center;gap:12px;margin-top:18px}.finish-actions .action{min-width:110px}.finish-actions p{margin:0;color:var(--muted);font-size:.85rem}
.completion-dialog{width:min(560px,calc(100vw - 28px));overflow:hidden;text-align:center}.completion-card{position:relative;z-index:2;padding:42px}.completion-card h2{margin:.25rem 0 .5rem;font-size:clamp(2.2rem,6vw,3.4rem);letter-spacing:-.06em}.completion-card>p:not(.eyebrow){max-width:430px;margin:.5rem auto 1.3rem;color:var(--muted)}.next-action{display:grid;gap:6px;padding:18px;border:1px solid #a9dabd;border-radius:12px;background:#e8f7ee;color:#145f36}.next-action span{font-weight:650}.completion-card>.action{margin-top:20px;min-width:120px}.confetti{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}.confetti-piece{position:absolute;top:-18px;width:9px;height:16px;border-radius:2px;background:var(--confetti-color);animation:confetti-fall var(--duration) ease-in forwards;animation-delay:var(--delay);transform:translateX(var(--drift)) rotate(var(--rotation))}@keyframes confetti-fall{0%{top:-18px;opacity:1}100%{top:110%;opacity:.1;transform:translateX(calc(var(--drift) * -1)) rotate(calc(var(--rotation) + 720deg))}}
@media(max-width:920px){.improvement-grid{grid-template-columns:1fr}.strategy-table>div{grid-template-columns:1fr}.strategy-table-head{display:none!important}}
@media(max-width:560px){.completion-card{padding:32px 20px}.finish-actions{align-items:stretch;flex-direction:column}.finish-actions .action{width:100%}}
@media print{.exercise-progress,.completion-dialog,.field-notes-tip{display:none!important}}

/* Compact, text-native process diagrams inside reading passages */
.sequence-diagram{width:min(100%,510px);margin:1.4rem auto 1.8rem;padding:18px 20px 20px;border:1px solid var(--line);border-radius:12px;background:var(--quiet)}
.sequence-diagram figcaption{margin:0 0 15px;color:var(--muted);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-align:center;text-transform:uppercase}
.sequence-diagram ol{display:grid;justify-items:center;gap:24px;list-style:none;margin:0;padding:0}
.sequence-diagram li{position:relative;width:min(100%,400px);padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);font-size:1rem;font-weight:600;line-height:1.4;text-align:center}
.sequence-diagram li:first-child{border-color:var(--blue);background:var(--blue-soft)}
.sequence-diagram li:last-child{border-color:var(--blue);background:var(--blue);color:#fff;font-weight:700}
.sequence-diagram li:not(:last-child)::after{content:"↓";position:absolute;top:calc(100% + 2px);left:50%;height:21px;color:var(--blue);font-size:19px;font-weight:700;line-height:21px;transform:translateX(-50%)}
.dark .sequence-diagram li:last-child{color:#101827}
@media(max-width:520px){.sequence-diagram{padding:14px}.sequence-diagram li{font-size:.91rem}}
/* Keep each source-check question and its passage locations together. */
#check>.review-steps{max-width:68ch;padding-left:1.5rem}
#check>.review-steps li{margin:.35rem 0;padding-left:.2rem}
.source-questions{display:grid;gap:.65rem;list-style:none;margin:.8rem 0 0;padding:0}
.source-questions>li{display:grid;grid-template-columns:7rem minmax(0,1fr);align-items:start;gap:.7rem;padding:.75rem;border:1px solid var(--line);border-radius:9px;background:var(--panel)}
.source-questions>li>strong{font-size:.88rem;line-height:1.5}
.source-locations{display:flex;flex-wrap:wrap;gap:.4rem}
.source-locations span{display:inline-block;padding:.27rem .55rem;border:1px solid var(--line);border-radius:6px;background:var(--quiet);font-size:.85rem;line-height:1.4}
@media(max-width:560px){.source-questions>li{grid-template-columns:1fr;gap:.35rem}}

.workspace,.reader-panel,.stage,.passage,.passage-copy{min-width:0}.sequence-diagram{box-sizing:border-box;width:100%;max-width:100%;min-width:0;margin:1.25rem 0;padding:16px;overflow:hidden;border:1px solid #bfd1ee;border-radius:14px;background:var(--blue-soft)}.sequence-diagram figcaption{margin-bottom:12px;color:var(--ink);font-size:.82rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.sequence-diagram ol{display:flex;align-items:stretch;max-width:100%;min-width:0;gap:28px;margin:0;padding:0;list-style:none;overflow-x:auto;scroll-snap-type:x proximity}.sequence-diagram li{position:relative;display:flex;align-items:center;justify-content:center;flex:1 0 150px;min-height:74px;padding:12px;border:1px solid #9eb7df;border-radius:10px;background:var(--panel);color:var(--ink);font-size:.9rem;font-weight:700;line-height:1.35;text-align:center;scroll-snap-align:start}.sequence-diagram li:not(:last-child)::after{content:'→';position:absolute;right:-23px;top:50%;color:var(--blue);font-size:1.35rem;font-weight:900;transform:translateY(-50%)}.dark .sequence-diagram{border-color:#405b83;background:#172940}.dark .sequence-diagram li{border-color:#405b83}@media(max-width:560px){.sequence-diagram{padding:14px}.sequence-diagram ol{gap:24px}.sequence-diagram li{flex-basis:132px;min-height:68px;font-size:.82rem}.sequence-diagram li:not(:last-child)::after{right:-20px}}@media print{.sequence-diagram ol{overflow:visible}}