/* Shared styles scoped to the two guided-reader pilots. */
.lr-page{padding:24px 0 48px;color:#233e78}.lr-page *, .lr-page *:before{box-sizing:border-box}.lr-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}.lr-intro h1{font-size:clamp(1.8rem,3.4vw,2.65rem);line-height:1.18;margin:12px 0}.lr-intro p{margin:0;color:#596678}.lr-intro>.btn{flex-shrink:0}.lr-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px;align-items:start}.lr-main{min-width:0}.lr-page button,.lr-page input{font-family:inherit}.lr-page button{cursor:pointer;min-height:48px;touch-action:manipulation}.lr-page button:disabled{cursor:default;opacity:.5}.lr-page button:focus-visible,.lr-page a:focus-visible,.lr-page input:focus-visible{outline:3px solid #da743b;outline-offset:4px}.lr-tabs{display:grid;grid-template-columns:repeat(4,1fr);background:#eaf3f8;padding:6px;border-radius:18px;gap:4px;margin-bottom:16px}.lr-tabs button{border:0;background:transparent;color:#233e78;font-weight:800;border-radius:13px;padding:10px 8px}.lr-tabs button[aria-pressed=true]{color:white;background:#233e78;box-shadow:0 3px 8px #233e7820}.lr-settings{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;font-size:.85rem}.lr-settings>span{font-weight:800}.lr-settings>div{display:flex;padding:3px;border:1px solid #c5dbe5;border-radius:12px;background:white}.lr-settings button{border:0;background:transparent;padding:6px 12px;color:#233e78;border-radius:9px;min-height:40px}.lr-settings button[aria-pressed=true]{background:#e6f4ef;color:#16664f;font-weight:800}.lr-settings>[data-lr-stop]{margin-left:auto;border:1px solid #c5dbe5}.lr-card{background:white;border:1px solid #d1e3ea;border-radius:22px;padding:24px;margin-bottom:20px;box-shadow:0 5px 18px #244a6d07}.lr-card h2,.lr-note h2{font-size:1.35rem;line-height:1.3;margin:5px 0 12px}.lr-card p{line-height:1.65;color:#536274}.lr-eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;font-weight:800;color:#2d806d}.lr-card-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.lr-sound{display:flex;gap:28px;align-items:center;background:linear-gradient(120deg,#f3f9fd,#fff8eb)}.lr-grapheme{display:grid;place-items:center;flex-shrink:0;width:110px;height:110px;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:3.7rem;background:white;border-radius:28px;color:#d86e35;border:2px solid #f1dfc6}.lr-primary{border:0;background:#233e78;color:white;font-weight:800;padding:12px 20px;border-radius:13px;box-shadow:0 4px 0 #172d5c}.lr-outline{border:1px solid #b9cedb;background:white;color:#233e78;font-weight:800;padding:10px 16px;border-radius:13px}.lr-syllables{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin:18px 0}.lr-syllable{border:1px solid #b9d4df;border-bottom:4px solid #b9d4df;border-radius:14px;background:#f5fafc;color:#233e78;font-weight:800;font-size:1.55rem;padding:14px 8px}.lr-page .is-speaking{background:#fff0d8;border-color:#df923a;box-shadow:0 0 0 3px #f9d39a;color:#173364}.lr-words{display:grid;grid-template-columns:repeat(var(--lr-word-columns,4),minmax(0,1fr));gap:12px;margin-top:18px}.lr-word{position:relative;display:flex;flex-direction:column;align-items:center;border:1px solid #e1e9ee;border-radius:16px;background:white;padding:10px 8px 14px;color:#233e78;font-weight:800;font-size:1.12rem;overflow:hidden}.lr-word img{width:100%;max-width:150px;height:135px;object-fit:contain;margin:10px 0}.lr-word-play{position:absolute;right:8px;top:8px;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#eaf3f8;font-size:.7rem}.lr-sentence{display:flex;align-items:center;gap:16px;background:#fff8e9;padding:14px 16px;border-radius:15px;margin:16px 0}.lr-sentence button{flex-shrink:0;border:0;border-radius:50%;width:48px;background:#d96d35;color:white}.lr-sentence p{font-size:1.3rem;font-weight:800;color:#233e78;margin:0}.lr-small{font-size:.85rem}.lr-sidebar .lr-card{padding:18px}.lr-sidebar h2{font-size:1.15rem}.lr-sidebar .btn{display:block;text-align:center;margin-top:14px}.lr-pdf{width:100%;height:auto;border:1px solid #e0e7ec;box-shadow:0 3px 10px #244a6d13;margin-top:12px}.lr-note{border-radius:20px;padding:20px;background:#edf6fa;font-size:.9rem;line-height:1.7}.lr-note h2{font-size:1.1rem}.lr-progress{display:flex;align-items:center;gap:20px;margin:20px 0;font-size:.85rem;font-weight:800}.lr-progress progress{width:100%;height:9px;accent-color:#2b8b76}.lr-question{display:flex;align-items:center;gap:28px;min-height:300px}.lr-question>img{width:32%;height:220px;object-fit:contain}.lr-question-body{flex:1;min-width:0}.lr-question-body>p:first-child{font-weight:800;color:#233e78;font-size:1.15rem}.lr-options{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 14px}.lr-options button{flex:1;min-width:65px;min-height:60px;background:#f5fafc;color:#233e78;font-size:1.4rem;border:1px solid #b9d4df;border-bottom:4px solid #b9d4df;border-radius:13px;font-weight:800;padding:12px}.lr-options button.is-correct{background:#e7f5ed;border-color:#388b73}.lr-slots{display:flex;gap:8px;margin-top:20px;min-height:50px}.lr-slots>span{min-width:48px;border:2px dashed #bad1dd;border-radius:10px;padding:8px 12px;font-size:1.3rem;font-weight:800;text-align:center}.lr-input-row{display:flex;gap:8px;margin-top:8px}.lr-input-row input{width:100%;min-width:0;border:1px solid #b9d4df;border-radius:10px;min-height:48px;padding:8px 12px}.lr-input-row button{box-shadow:none}.lr-help-actions{display:flex;gap:12px;margin:16px 0}.lr-help-actions button{border:0;background:#edf5f9;color:#233e78;padding:8px 14px;border-radius:10px}.lr-feedback{min-height:52px;font-weight:800}.lr-feedback.is-success{color:#1b775e}.lr-finish{text-align:center;padding:28px 12px}.lr-finish>span{font-size:3.5rem;color:#d88b32}.lr-audio-status{font-size:.9rem;min-height:24px}.lr-page [hidden]{display:none!important}.lr-page .kido-progression-controls{margin-bottom:12px}.lr-page .author-line{margin-top:26px}.lr-page main{display:block}
@media(max-width:1050px){.lr-layout{grid-template-columns:minmax(0,1fr) 230px;gap:18px}.lr-words{grid-template-columns:repeat(3,minmax(0,1fr))}.lr-syllables{grid-template-columns:repeat(4,minmax(0,1fr))}.lr-card{padding:20px}.lr-tabs{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.lr-layout{grid-template-columns:1fr}.lr-intro{align-items:stretch;flex-direction:column;gap:16px}.lr-intro>.btn{align-self:flex-start}.lr-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:16px}.lr-sidebar .lr-card{margin:0}.lr-pdf{max-height:260px;object-fit:contain;background:white}.lr-syllables{grid-template-columns:repeat(4,minmax(0,1fr))}.lr-tabs{grid-template-columns:repeat(2,1fr)}.lr-settings>[data-lr-stop]{margin-left:0}.lr-question{gap:16px}.lr-card-heading{align-items:flex-start;flex-direction:column}.lr-words{grid-template-columns:repeat(3,minmax(0,1fr))}.lr-word img{height:110px}.lr-sound{gap:18px}.lr-grapheme{width:84px;height:84px;font-size:3rem}}
@media(max-width:460px){.lr-card{padding:18px 14px;border-radius:18px}.lr-page{padding-top:16px}.lr-words{grid-template-columns:repeat(2,minmax(0,1fr))}.lr-syllables{gap:8px}.lr-syllable{font-size:1.3rem;padding:12px 5px}.lr-sound{align-items:flex-start}.lr-sound p{font-size:.9rem}.lr-grapheme{width:62px;height:72px;font-size:2.5rem;border-radius:18px}.lr-primary{padding:12px 14px}.lr-question{flex-direction:column;min-height:0}.lr-question>img{width:100%;height:170px}.lr-question-body{width:100%}.lr-sidebar{grid-template-columns:1fr}.lr-sidebar .lr-pdf{max-height:310px}.lr-sentence{gap:10px;padding:12px}.lr-sentence p{font-size:1.08rem}.lr-options button{font-size:1.2rem}.lr-input-row{flex-wrap:wrap}.lr-input-row button{width:100%}}
@media(prefers-reduced-motion:reduce){.lr-page *{scroll-behavior:auto}}
.lr-more summary{cursor:pointer;min-height:48px;padding:12px 0;color:#2c7366;font-weight:800}.lr-levels{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}.lr-levels button[aria-pressed=true]{background:#e7f5ef;border-color:#398b74}.lr-page h3{font-size:1rem;margin:18px 0 8px}

.lr-word-stage{font-size:.68rem;color:#5b6b78;font-weight:600;margin-top:5px}

.lr-progress>span{white-space:nowrap}.lr-progress progress{min-width:0;flex:1}

/* Reader controls share the same touch targets and visible selected states. */
.lr-page .kido-progression{justify-content:flex-start;gap:10px;padding:14px;background:#f3f8fb;border:1px solid #d1e3ea;border-radius:16px;margin:16px 0}
.lr-page .kido-progression-label{flex-basis:100%;font-size:.85rem}
.lr-page .kido-progression-switch{flex-wrap:wrap;max-width:100%;background:white;border-radius:13px}
.lr-page .kido-progression button{min-height:48px;font-size:.9rem;line-height:1.35}
.lr-page .kido-progression button[aria-pressed=true]{background:#233e78;border-color:#233e78;color:white}
.lr-page .kido-progression-pause{margin-left:auto}
.lr-page .kido-progression p{text-align:left;line-height:1.5}
.lr-settings button{min-height:48px;font-size:.9rem;line-height:1.35}
.lr-settings button[aria-pressed=true]{background:#233e78;color:white}
.lr-page .lr-options button.is-correct:disabled{opacity:1;background:#e7f5ed;border-color:#388b73;color:#16664f}
.lr-page .lr-tabs button{font-size:.95rem;line-height:1.4}
.lr-page .lr-primary,.lr-page .lr-outline{font-size:.95rem;line-height:1.4}
.lr-page .lr-primary:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px 0 #172d5c}
@media(max-width:760px){.lr-settings{padding:12px;border:1px solid #d1e3ea;background:#f8fbfd;border-radius:16px}.lr-settings>span{flex-basis:100%}.lr-settings>div{flex:1}.lr-settings>div button{flex:1}.lr-page .kido-progression-label{text-align:left}}
@media(max-width:460px){.lr-settings>[data-lr-stop]{width:100%}.lr-page .kido-progression-switch{width:100%;flex-wrap:nowrap}.lr-page .kido-progression-switch button{flex:1;min-width:0;padding:10px 8px}.lr-page .kido-progression-pause{width:100%;margin-left:0}.lr-levels{display:grid;grid-template-columns:1fr}.lr-tabs{gap:6px}.lr-tabs button{padding:12px 6px}.lr-help-actions{flex-wrap:wrap}.lr-help-actions button{flex:1}.lr-slots{flex-wrap:wrap}}

/* Secondary controls stay available without competing with the exercise. */
.lr-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin:0 0 20px}
.lr-preferences{min-width:0;flex:1}
.lr-preferences>summary{display:list-item;cursor:pointer;width:fit-content;min-height:44px;padding:10px 16px;border:1px solid #c5dbe5;border-radius:12px;background:white;font-weight:700;font-size:.9rem}
.lr-preferences[open]{padding:12px;border:1px solid #d1e3ea;border-radius:16px;background:#f8fbfd}
.lr-preferences .lr-settings{margin:12px 0 0}
.lr-preferences .kido-progression{margin:12px 0 0}
.lr-question[data-lr-question-kind=understand]{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;min-height:0}
.lr-question[data-lr-question-kind=understand]>img{width:100%;height:auto;max-height:320px;aspect-ratio:3/2;object-fit:contain;border-radius:16px;background:#f5f9f8}
.lr-question[data-lr-question-kind=understand] .lr-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:460px){.lr-toolbar{gap:8px}.lr-toolbar>[data-lr-stop]{padding:10px 12px}.lr-question[data-lr-question-kind=understand] .lr-options{grid-template-columns:1fr}.lr-preferences .lr-settings{padding:0;border:0;background:transparent}}

/* Letter discovery: one header, two equal learning cards, then syllable transfer. */
.lr-letter-card{padding:26px;background:#fff}
.lr-letter-header{display:flex;align-items:center;gap:20px;margin-bottom:24px}
.lr-letter-header h2{margin:6px 0;font-size:1.65rem}
.lr-letter-header p{margin:0;font-size:.92rem}
.lr-letter-forms{display:flex;align-items:baseline;justify-content:center;gap:16px;flex-shrink:0;width:118px;padding:14px 10px;border:1px solid #e9d5b9;border-radius:18px;background:#fff8ed;color:#d96d2a;font-size:3rem;font-weight:800;line-height:1.2}
.lr-letter-learning{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.lr-letter-part{display:flex;flex-direction:column;align-items:flex-start;padding:20px;border:1px solid #d6e4ed;border-radius:16px;background:#f8fbfd;min-width:0}
.lr-letter-part-sound{background:#f0f7f5;border-color:#cde0d8}
.lr-letter-step{font-size:.76rem;font-weight:800;letter-spacing:.04em;color:#537187}
.lr-letter-part h3{font-size:1.16rem;line-height:1.35;margin:12px 0 6px;color:#233e78}
.lr-letter-part p{margin:0 0 18px;font-size:.9rem}
.lr-letter-part button{width:100%;margin-top:auto;white-space:normal;font-size:.88rem;padding:12px 10px;box-shadow:none;line-height:1.4}
.lr-letter-transfer{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid #e2ebf0;font-size:.88rem}
.lr-letter-transfer>span{padding:6px 12px;border-radius:8px;background:#edf4fa;font-weight:800;white-space:nowrap}
.lr-letter-transfer p{width:100%;margin:2px 0 0;font-size:.82rem}
@media(max-width:600px){.lr-letter-learning{grid-template-columns:1fr}.lr-letter-card{padding:20px 16px}.lr-letter-header{gap:14px;margin-bottom:18px}.lr-letter-header h2{font-size:1.3rem}.lr-letter-forms{width:88px;gap:10px;font-size:2.2rem}.lr-letter-part{padding:18px}.lr-letter-transfer{margin-top:18px}}
.lr-vowel-section{margin-top:24px;padding:0}.lr-vowel-section+.lr-vowel-section{padding-top:22px;border-top:1px solid #dbe7ef}.lr-vowel-section h3{margin:0 0 8px;font-size:1.05rem}.lr-vowel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}.lr-vowel-simple{grid-template-columns:repeat(var(--lr-group-columns,5),minmax(0,1fr));gap:10px}.lr-vowel-complex{grid-template-columns:repeat(4,minmax(0,1fr))}.lr-vowel-cell{min-width:0;padding:12px 10px;border:1px solid #d5e3ee;border-radius:12px;background:#f6fafc;text-align:center}.lr-vowel-label{display:block;font-size:.8rem;font-weight:800;color:#52677d;margin-bottom:10px}.lr-vowel-cell>div{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}.lr-vowel-cell .lr-syllable{min-width:0;min-height:44px;width:100%;padding:10px 4px;font-size:1.15rem;background:#fff}.lr-vowel-simple .lr-vowel-cell:nth-child(1){background:#fff5e6}.lr-vowel-simple .lr-vowel-cell:nth-child(2){background:#eef5ff}.lr-vowel-simple .lr-vowel-cell:nth-child(3){background:#eef8f2}.lr-vowel-simple .lr-vowel-cell:nth-child(4){background:#f4f0fa}.lr-vowel-simple .lr-vowel-cell:nth-child(5){background:#fff1ed}.lr-vowel-extra{display:flex;align-items:center;gap:12px;margin-top:14px;padding:12px 14px;background:#f7f9fb;border-radius:12px}.lr-vowel-extra>span{font-size:.85rem;font-weight:700}.lr-vowel-extra .lr-vowel-cell{display:flex;align-items:center;gap:10px;padding:0;border:0;background:none}.lr-vowel-extra .lr-vowel-label{margin:0}.lr-vowel-extra .lr-syllable{width:52px}.lr-vowel-other .lr-vowel-cell{background:#fffbf3}
@media(max-width:600px){.lr-vowel-simple{gap:6px}.lr-vowel-simple .lr-vowel-cell{padding:10px 4px}.lr-vowel-cell .lr-syllable{font-size:1rem}.lr-vowel-complex{grid-template-columns:repeat(2,minmax(0,1fr))}.lr-vowel-extra{gap:8px;flex-wrap:wrap}.lr-vowel-extra>span{flex-basis:100%}.lr-vowel-grid{gap:8px}}

.lr-vowel-complex .lr-vowel-cell>div{flex-wrap:nowrap}.lr-vowel-complex .lr-syllable{flex:1;width:auto}

/* Each reading family keeps its own bounded sequence. */
.lr-group-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.lr-group-heading h3{margin:0}.lr-group-heading .lr-outline{font-size:.78rem;white-space:nowrap;padding:8px 10px}
@media(max-width:600px){.lr-group-heading{align-items:flex-start;flex-direction:column;gap:8px}.lr-group-heading .lr-outline{min-height:40px}}

.lr-letter-illustration{width:180px;height:120px;object-fit:contain;margin-left:auto;flex-shrink:0}.lr-letter-header>div:nth-child(2){flex:1}
@media(max-width:600px){.lr-letter-header{flex-wrap:wrap}.lr-letter-illustration{width:130px;height:88px;margin:0 auto}.lr-letter-header>div:nth-child(2){min-width:160px}}

.lr-ch-forms{font-size:2.5rem;letter-spacing:0}.lr-grapheme-example{display:block;background:#fff;border:1px solid #d5e4eb;border-radius:10px;padding:12px;font-size:.9rem;color:#24416d}.lr-grapheme-example strong{color:#c74b05}.lr-reading-help{margin-top:20px;border-top:1px solid #d5e4eb;padding-top:14px;font-size:.83rem;color:#526578}.lr-reading-help summary{cursor:pointer;font-weight:700;color:#24416d}.lr-reading-help p{font-size:.83rem;line-height:1.6;margin:10px 0}.lr-reading-help a{font-size:.78rem}

/* Context values remain inside the discovery card, not another toolbar. */
.lr-sound-variant + .lr-sound-variant{margin-top:1rem;padding-top:1rem;border-top:1px solid #dbe3e8}
.lr-sound-variant p{margin:.35rem 0 .6rem}
.lr-context-note{padding:1rem 1.25rem;background:#f5f7fa;border-radius:12px;margin:1rem 0 0;font-size:.95rem;line-height:1.65}
.reader-link-groups{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.reader-link-groups details{border:1px solid #dae3e9;padding:1rem;border-radius:12px;background:#fff}
.reader-link-groups summary{cursor:pointer;font-weight:700}
.reader-link-groups ul{list-style:none;padding:0;margin:.75rem 0 0;display:grid;gap:.65rem}

.lr-vowel-simple .lr-vowel-cell[data-lr-vowel="a"]{background:#fff5e6}.lr-vowel-simple .lr-vowel-cell[data-lr-vowel="é"]{background:#eef5ff}.lr-vowel-simple .lr-vowel-cell[data-lr-vowel="i"]{background:#eef8f2}.lr-vowel-simple .lr-vowel-cell[data-lr-vowel="o"]{background:#f4f0fa}.lr-vowel-simple .lr-vowel-cell[data-lr-vowel="u"]{background:#fff1ed}

.lr-slots>span>span{display:inline;min-width:0;padding:0;border:0;background:transparent;border-radius:0;font:inherit}.lr-slots .lr-silent-letter{color:#78521f;background:#fff0cb;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}.lr-teacher-reference{padding:14px 18px;margin-top:18px;border:1px solid #d1e3ea;border-radius:14px;background:#f6fafc;font-size:.9rem}.lr-teacher-reference summary{cursor:pointer;font-weight:700}.lr-teacher-reference p{line-height:1.6}

/* Phase 3 s/ss: reuse native reader word cards at desktop and mobile sizes. */
.lr-orthography-grid{--lr-word-columns:3}
.lr-orthography-card strong{display:block;font-size:1rem}
.lr-orthography-card .lr-word-stage{white-space:normal;line-height:1.45;max-width:23ch;margin-inline:auto}
@media(max-width:670px){.lr-orthography-grid{--lr-word-columns:2}}
.lr-orthography-grid-four{--lr-word-columns:2}