:root{--green:#2b7a6b;--green-dark:#1f5c50;--mint:#dff3ed;--orange:#ea7a0a;--ink:#13302b;--muted:#667b75;--paper:#f5f8f6;--white:#fff;--line:#dce7e3;--shadow:0 20px 50px rgba(23,60,52,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{max-width:100%;overflow-x:hidden}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Open Sans',sans-serif;line-height:1.55}h1,h2,h3,strong,.eyebrow,.button{font-family:'Nunito',sans-serif}button,input{font:inherit}.hidden{display:none!important}.skip-link{position:fixed;top:-5rem;left:1rem;z-index:1000;background:#fff;padding:.8rem;border-radius:.5rem;color:var(--green-dark)}.skip-link:focus{top:1rem}.app-header{height:76px;display:flex;align-items:center;justify-content:space-between;max-width:1240px;margin:auto;padding:0 28px}.brand img{width:auto;height:48px}.header-note{font-size:.86rem;color:var(--muted);display:flex;gap:.5rem;align-items:center}.center-card{min-height:calc(100vh - 76px);display:grid;place-content:center;text-align:center;padding:2rem}.center-card p{color:var(--muted)}.loader{width:52px;height:52px;border:5px solid var(--mint);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1.25rem}.big-icon{font-size:3rem}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:.72rem;font-weight:900;color:var(--green)}.button{min-height:48px;border:0;border-radius:14px;padding:.78rem 1.25rem;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:transform .2s,box-shadow .2s,background .2s}.button:hover{transform:translateY(-1px)}.button:focus-visible,.icon-button:focus-visible,input:focus-visible,.route-options input:focus-visible+span,.calendar-day:focus-visible,.answer:focus-visible{outline:3px solid #f5ad4d;outline-offset:3px}.button.primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(234,122,10,.22)}.button.ghost{background:#fff;color:var(--green-dark);border:1px solid var(--line)}.button.danger{background:#b52b2b;color:#fff}.button.small{min-height:42px;padding:.6rem 1rem}.button.wide{width:100%;margin-top:.5rem}.onboarding{min-height:calc(100vh - 76px);max-width:1180px;margin:auto;padding:40px 28px 72px;display:grid;grid-template-columns:1.05fr .85fr;gap:72px;align-items:center}.onboarding-copy h1{font-size:clamp(2.8rem,6vw,5.2rem);line-height:.98;margin:16px 0 24px;max-width:720px}.onboarding-copy h1 span{color:var(--green)}.onboarding-copy>p{font-size:1.15rem;color:var(--muted);max-width:610px}.preview-week{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;margin:30px 0 22px;max-width:600px}.preview-week div{background:#fff;border:1px solid var(--line);border-radius:14px;min-height:78px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;box-shadow:0 6px 12px rgba(25,60,54,.04)}.preview-week strong{font-size:.75rem;color:var(--muted)}.preview-week span{font-size:1.35rem}.preview-week .special{background:#fff2e5;border-color:#f6c28b}.preview-week .rest{background:var(--mint);border-color:#b8ddd3}.trust-list{list-style:none;padding:0;display:grid;gap:.55rem;color:var(--green-dark);font-weight:700}.setup-card{background:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow);border:1px solid rgba(43,122,107,.1);position:relative}.setup-card h2{font-size:1.75rem;margin:.2rem 0 .5rem}.mascot{position:absolute;right:30px;top:-25px;width:60px;height:60px;background:#fff2e5;border-radius:20px;display:grid;place-items:center;font-size:1.8rem;transform:rotate(6deg);box-shadow:0 10px 20px rgba(50,40,20,.12)}.guardian-note{background:var(--mint);padding:12px 14px;border-radius:12px;font-size:.82rem;color:var(--green-dark)}.setup-card>label,.setup-card legend{font-family:'Nunito',sans-serif;font-weight:800;display:block;margin:18px 0 8px}.setup-card input[type=text],.setup-card input[type=date],#alias{width:100%;min-height:50px;border:1px solid #bdcec8;border-radius:12px;padding:0 14px;background:#fbfcfb}.setup-card fieldset{border:0;padding:0;margin:0}.route-options{display:grid;gap:8px}.route-options label{cursor:pointer}.route-options input{position:absolute;opacity:0}.route-options span{border:1px solid var(--line);border-radius:12px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center}.route-options input:checked+span{border-color:var(--green);background:var(--mint);box-shadow:inset 4px 0 var(--green)}.route-options small{color:var(--muted)}.field-error{display:block;min-height:18px;color:#a92323;font-size:.78rem;margin-top:4px}.fine-print{font-size:.72rem;color:var(--muted);text-align:center}.dashboard{max-width:1180px;margin:auto;padding:42px 28px 120px}.dashboard-top{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px}.dashboard-top h1{font-size:2.6rem;margin:.25rem 0}.dashboard-top p{color:var(--muted);margin:0}.stats-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}.progress-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:5px;min-height:150px}.main-progress{flex-direction:row;align-items:center;gap:22px}.progress-ring{--progress:0deg;width:94px;height:94px;border-radius:50%;flex:0 0 auto;background:conic-gradient(var(--green) var(--progress),var(--mint) 0);display:grid;place-items:center;position:relative}.progress-ring:before{content:'';position:absolute;width:72px;height:72px;border-radius:50%;background:#fff}.progress-ring strong{z-index:1;font-size:1.2rem}.card-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--muted)}.progress-card h2{margin:.3rem 0;font-size:1.3rem}.progress-card>strong{font-size:1.25rem}.progress-card small{color:var(--muted)}.card-icon{font-size:1.6rem}.calendar-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;margin-top:18px}.calendar-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.calendar-heading h2{margin:.25rem 0 0;font-size:1.7rem}.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.75rem;color:var(--muted)}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:9px;height:9px;border-radius:50%;display:inline-block}.done-dot{background:var(--green)}.current-dot{background:var(--orange)}.weekend-dot{background:#7b61c9}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:9px}.calendar-day{appearance:none;border:1px solid var(--line);background:#fbfcfb;border-radius:14px;min-height:102px;padding:10px;text-align:left;cursor:pointer;position:relative;color:var(--ink)}.calendar-day:hover:not(:disabled){border-color:var(--green);transform:translateY(-1px)}.calendar-day:disabled{cursor:not-allowed;opacity:.55}.calendar-day.done{background:var(--mint);border-color:#b8ddd3}.calendar-day.current{border:2px solid var(--orange);background:#fffaf4}.calendar-day.weekend{box-shadow:inset 0 3px #8a70d1}.calendar-day b{font:800 .72rem 'Nunito';color:var(--muted);display:block}.calendar-day strong{font-size:1.35rem}.calendar-day span{display:block;font-size:.68rem;margin-top:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.calendar-day em{position:absolute;right:8px;top:7px;font-style:normal}.floating-continue{position:fixed;right:28px;bottom:26px;z-index:10}.lesson{min-height:calc(100vh - 76px);padding:24px}.lesson-shell{max-width:1180px;margin:auto;background:#fff;border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.lesson-header{display:flex;align-items:center;gap:16px;padding:18px 22px}.icon-button{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.5rem;cursor:pointer}.lesson-title{display:flex;flex-direction:column;flex:1}.lesson-title span{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.09em;font-weight:800}.lesson-progress{height:7px;background:var(--mint)}.lesson-progress i{display:block;height:100%;width:0;background:var(--green);transition:width .3s}.lesson-body{display:grid;grid-template-columns:300px 1fr;min-height:610px}.schedule-panel{padding:28px;background:#f2f7f5;border-right:1px solid var(--line)}.schedule-panel h2{margin:.4rem 0 1.3rem}.schedule-panel ol{list-style:none;padding:0;margin:0;display:grid;gap:12px}.schedule-panel li{display:grid;grid-template-columns:35px 1fr;gap:10px;align-items:center;color:var(--muted);font-size:.82rem}.schedule-panel li i{width:34px;height:34px;display:grid;place-items:center;background:#fff;border-radius:10px;font-style:normal}.schedule-panel li.active{color:var(--ink);font-weight:700}.schedule-panel li.active i{background:#fff2e5;box-shadow:0 0 0 2px var(--orange)}.schedule-panel li.done{color:var(--green)}.activity-card{padding:clamp(28px,6vw,70px);max-width:760px;width:100%;margin:auto}.subject-pill{display:inline-flex;align-items:center;gap:8px;border-radius:99px;padding:7px 12px;background:var(--mint);font-weight:800;font-size:.78rem}.activity-card h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;margin:18px 0 12px}.activity-card .lead{color:var(--muted);font-size:1.05rem}.step-list{padding-left:1.3rem;display:grid;gap:8px;margin:22px 0}.materials{font-size:.8rem;color:var(--muted);border-left:3px solid var(--orange);padding-left:12px}.question-box{background:#f7faf8;border:1px solid var(--line);border-radius:18px;padding:20px;margin-top:24px}.question-box h2{font-size:1.25rem;margin:0 0 14px}.answers{display:grid;gap:9px}.answer{min-height:50px;border:1px solid #bdcec8;background:#fff;border-radius:12px;padding:10px 14px;text-align:left;cursor:pointer;color:var(--ink)}.answer.selected{border:2px solid var(--green);background:var(--mint)}.answer.correct{border-color:#1c7a4e;background:#e6f7ed}.answer.incorrect{border-color:#b52b2b;background:#fff0f0}.feedback{border-radius:14px;padding:14px;margin:14px 0 0;font-weight:700}.feedback.good{background:#e6f7ed;color:#185d3d}.feedback.try{background:#fff2e5;color:#914b09}.activity-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.help-check{display:flex;gap:8px;align-items:center;font-size:.84rem;color:var(--muted);margin-top:14px}dialog{border:0;border-radius:24px;padding:0;box-shadow:var(--shadow);max-width:480px;width:calc(100% - 32px)}dialog::backdrop{background:rgba(8,30,24,.65)}dialog form{padding:30px;text-align:center}.dialog-actions{display:flex;justify-content:center;gap:10px;margin-top:22px}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:850px){.onboarding{grid-template-columns:1fr;gap:28px;padding-top:20px}.onboarding-copy h1{font-size:3.2rem}.stats-grid{grid-template-columns:1fr 1fr}.main-progress{grid-column:1/-1}.calendar-grid{grid-template-columns:repeat(5,1fr)}.lesson-body{grid-template-columns:1fr}.schedule-panel{border-right:0;border-bottom:1px solid var(--line)}.schedule-panel ol{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.app-header{padding:0 16px;height:66px}.brand img{height:40px}.header-note{font-size:0;width:30px}.header-note span{font-size:1rem}.onboarding,.dashboard{padding-left:16px;padding-right:16px}.onboarding-copy h1{font-size:2.7rem}.onboarding-copy>p{font-size:1rem}.preview-week{gap:4px}.preview-week div{min-height:62px;border-radius:10px}.preview-week span{font-size:1rem}.setup-card{padding:25px 19px}.route-options span{align-items:flex-start;flex-direction:column}.stats-grid{grid-template-columns:1fr 1fr;gap:9px}.progress-card{padding:16px}.main-progress{align-items:flex-start}.calendar-card{padding:17px 11px}.calendar-heading{align-items:flex-start;gap:12px;flex-direction:column}.legend{gap:8px}.calendar-grid{grid-template-columns:repeat(5,1fr);gap:5px}.calendar-day{min-height:82px;padding:7px;border-radius:10px}.calendar-day strong{font-size:1rem}.calendar-day span{display:none}.floating-continue{left:16px;right:16px;bottom:16px}.lesson{padding:8px}.lesson-shell{border-radius:18px}.lesson-header{padding:12px}.lesson-title strong{font-size:.88rem;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.schedule-panel{padding:20px}.schedule-panel ol{display:flex;overflow-x:auto;padding:3px}.schedule-panel li{min-width:145px}.activity-card{padding:25px 18px}.activity-card h1{font-size:2rem}.dialog-actions{flex-direction:column-reverse}.dialog-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.subject-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin-top:18px}.subject-card-heading{display:flex;align-items:end;justify-content:space-between;gap:16px}.subject-card-heading h2{margin:.25rem 0 0}.subject-card-heading p{margin:0;color:var(--muted);font-size:.84rem}.subject-progress-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}.subject-progress-item{min-width:0}.subject-progress-item>span{display:flex;justify-content:space-between;gap:6px;font-size:.72rem;margin-bottom:6px}.subject-progress-item b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subject-progress-item i{height:7px;background:var(--mint);border-radius:99px;display:block;overflow:hidden}.subject-progress-item i:after{content:'';display:block;height:100%;width:var(--score);background:var(--subject-color);border-radius:inherit}
@media(max-width:850px){.subject-progress-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.subject-card-heading{align-items:flex-start;flex-direction:column}.subject-progress-grid{grid-template-columns:1fr}}

/* Experiencia infantil visual-first */
body:has(#lesson-view:not(.hidden)) .app-header{display:none}
.lesson{min-height:100vh;padding:12px}
.lesson-shell{min-height:calc(100vh - 24px)}.lesson-body{grid-template-columns:1fr;min-height:calc(100vh - 112px)}.schedule-panel{display:none}.visual-activity{max-width:1080px;padding:28px 46px 28px}.exercise-meta{display:flex;justify-content:space-between;align-items:center;gap:18px;color:var(--muted);font:800 .82rem 'Nunito',sans-serif}.child-task{text-align:center;display:flex;flex-direction:column;min-height:calc(100vh - 218px)}.child-task h1{font-size:clamp(2rem,4vw,3.25rem);margin:14px 0 2px}.child-task>p{font:700 clamp(1rem,2vw,1.3rem) 'Nunito',sans-serif;color:var(--muted);margin:0 auto 10px;max-width:720px}.visual-stage{min-height:180px;display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;padding:10px;gap:12px}.visual-stage>strong{font:900 clamp(1.8rem,4vw,3rem) 'Nunito',sans-serif;letter-spacing:.08em}.visual-cue{font-size:clamp(6rem,14vw,10rem);line-height:1;filter:drop-shadow(0 12px 16px rgba(18,48,43,.1))}.visual-count{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(12px,2vw,24px);max-width:780px}.visual-count span{font-size:clamp(3.6rem,7vw,6rem);line-height:1;filter:drop-shadow(0 9px 10px rgba(18,48,43,.08))}.visual-groups{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:850px}.visual-group{background:#f7faf8;border:2px solid var(--line);border-radius:24px;padding:18px;min-height:210px}.visual-group>b{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;margin:0 auto 10px;font-size:1.25rem}.visual-group>div{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}.visual-group span{font-size:clamp(2.4rem,4vw,4rem);line-height:1}.visual-answers{grid-template-columns:repeat(3,minmax(120px,1fr));gap:14px;max-width:820px;width:100%;margin:8px auto 12px}.visual-answer{min-height:96px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:2px solid var(--line);font-family:'Nunito',sans-serif}.visual-answer>span{font-size:clamp(2.4rem,5vw,4.2rem);font-weight:900;line-height:1}.visual-answer small{font-size:1rem;color:var(--muted);font-weight:800}.visual-answer.selected{border-color:var(--green);background:var(--mint);transform:translateY(-3px);box-shadow:0 12px 22px rgba(43,122,107,.12)}.word-visual{display:flex;flex-direction:column;align-items:center;gap:18px}.word-slots{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.word-slots span{width:clamp(50px,7vw,76px);height:clamp(58px,8vw,84px);border:3px dashed #d9cdbd;border-radius:14px;background:#fffaf2;display:grid;place-items:center;font:900 clamp(2rem,4vw,3.2rem) 'Nunito',sans-serif}.word-options{grid-template-columns:repeat(auto-fit,minmax(72px,1fr));max-width:760px}.word-options .visual-answer{min-height:82px}.child-submit{width:min(100%,820px);margin:auto auto 0;min-height:56px;border-radius:16px;font-size:1.2rem}.child-submit:disabled{background:#b9c7c3;box-shadow:none;cursor:not-allowed}.child-task .feedback{width:min(100%,820px);margin:0 auto 8px;padding:8px 18px;display:flex;justify-content:center;align-items:center;gap:10px;font-size:1.25rem}.child-task .feedback span{font-size:1.8rem}.route-5-6 .child-task>p{font-size:clamp(1.15rem,2.4vw,1.55rem);color:var(--ink)}.route-5-6 .visual-answer{min-height:104px}.route-5-6 .visual-answer>span{font-size:clamp(3rem,6vw,5rem)}
@media(max-width:680px){.visual-activity{padding:18px 14px 24px}.lesson-shell{min-height:calc(100vh - 82px)}.lesson-body{min-height:calc(100vh - 168px)}.child-task{min-height:calc(100vh - 245px)}.lesson-header{gap:8px}.lesson-header .button{font-size:0;width:46px;padding:0}.lesson-header .button:after{content:'Ⅱ';font-size:1rem}.visual-stage{min-height:180px;padding:10px 4px}.visual-answers{gap:8px}.visual-answer{min-height:84px;padding:8px}.route-5-6 .visual-answer{min-height:96px}.visual-groups{gap:8px}.visual-group{padding:10px;min-height:170px}.exercise-meta{font-size:.72rem}.subject-pill{padding:5px 9px}}
.reading-card{max-width:760px;margin:8px auto 0;padding:12px 20px;border-left:5px solid var(--green);border-radius:10px;background:#f2f7f5;text-align:left;font:800 clamp(1rem,2vw,1.25rem) 'Nunito',sans-serif}.visual-answer.correct{border-color:#1c7a4e;background:#e6f7ed}.visual-answer.selected.incorrect{border-color:#b52b2b;background:#fff0f0;color:#8b1e1e;transform:none;box-shadow:0 0 0 3px rgba(181,43,43,.14)}.feedback-copy{display:flex;flex-direction:column;align-items:flex-start;text-align:left;line-height:1.25}.feedback-copy small{font-size:.88rem;font-weight:800}.math-input-visual{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}.math-input-visual>span{font:900 clamp(3rem,8vw,6rem) 'Nunito',sans-serif}.math-input-visual input{width:clamp(120px,20vw,210px);height:clamp(84px,12vw,120px);border:4px solid var(--green);border-radius:20px;text-align:center;font:900 clamp(2.8rem,7vw,5rem) 'Nunito',sans-serif;color:var(--ink);background:#fff}.complete-word{display:flex;justify-content:center;gap:10px}.complete-word span{width:clamp(50px,7vw,76px);height:clamp(58px,8vw,84px);display:grid;place-items:center;border-bottom:5px solid var(--green);font:900 clamp(2rem,4vw,3.2rem) 'Nunito',sans-serif}.complete-word span:empty{border:3px dashed #d9cdbd;border-radius:12px;background:#fffaf2}.small-cue{font-size:clamp(3rem,7vw,5rem)}.sequence-visual{display:flex;flex-direction:column;gap:12px;align-items:center}.sequence-slots span{width:auto;min-width:clamp(70px,10vw,130px);padding:0 10px;font-size:clamp(1.1rem,2.5vw,2rem)}.match-board{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:820px;width:100%;margin:4px auto 16px}.match-board>div{display:grid;gap:10px}.match-option{min-height:76px;border:2px solid var(--line);border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;gap:12px;font:800 1rem 'Nunito',sans-serif;color:var(--ink);cursor:pointer}.match-option span{font-size:2.2rem}.match-option small{font-size:1rem}.match-option.selected{border-color:var(--orange);background:#fff8ee;box-shadow:0 0 0 3px rgba(234,122,10,.15)}.match-option.paired{border-color:var(--green);background:var(--mint);opacity:.75}.match-option.target{border-style:dashed}.route-7-8 .child-task>p{max-width:820px}.route-7-8 .visual-stage{min-height:150px}
.text-options{grid-template-columns:1fr;max-width:880px}.text-options .visual-answer{min-height:68px;display:grid;grid-template-columns:48px 1fr;text-align:left}.text-options .visual-answer>span{font-size:1.15rem;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--green-dark)}.text-options .visual-answer small{font-size:1rem;color:var(--ink)}
@media(max-width:680px){.reading-card{padding:10px 12px;font-size:.92rem;line-height:1.5;max-height:none;overflow:visible}.match-board{gap:8px}.match-option{min-height:62px;gap:5px;padding:5px}.match-option span{font-size:1.6rem}.match-option small{font-size:.78rem}.math-input-visual{gap:10px}.sequence-slots{gap:5px}.sequence-slots span{min-width:54px;height:58px}.route-6-7 .visual-stage,.route-7-8 .visual-stage{min-height:130px}}

/* Panel diario: las cinco materias permanecen visibles como una sola jornada */
.day-overview{max-width:1120px;padding:34px 42px 46px}.day-overview-heading{text-align:center;max-width:760px;margin:0 auto 28px}.day-overview-heading h1{font-size:clamp(2.1rem,4.5vw,3.7rem);margin:8px 0 6px}.day-overview-heading p{margin:0;color:var(--muted);font-size:1.05rem}.subject-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.subject-group-card{--subject-color:var(--green);display:grid;grid-template-columns:74px 1fr auto;align-items:center;gap:18px;min-height:150px;padding:20px;border:2px solid var(--line);border-left:7px solid var(--subject-color);border-radius:22px;background:#fff;box-shadow:0 8px 20px rgba(23,60,52,.06)}.subject-group-card.current{grid-column:1/-1;border-color:var(--subject-color);border-left-width:7px;background:linear-gradient(105deg,#fff 45%,#f3faf7)}.subject-group-card.completed{background:#f1f8f5;border-color:#b8ddd3}.subject-group-card.locked{background:#f7f8f7;opacity:.72}.subject-group-card:last-child:nth-child(odd){grid-column:1/-1}.subject-group-icon{width:70px;height:70px;display:grid;place-items:center;border-radius:20px;background:color-mix(in srgb,var(--subject-color) 14%,white);font:900 2.25rem 'Nunito',sans-serif;color:var(--subject-color)}.subject-group-copy{min-width:0}.subject-group-copy>span{font:800 .7rem 'Nunito',sans-serif;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.subject-group-copy h2{margin:2px 0;font-size:1.35rem}.subject-group-copy p{margin:0 0 5px;color:var(--muted);font-size:.83rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subject-group-copy small{font-weight:800;color:var(--green-dark)}.subject-group-action{min-width:155px}.subject-group-action:disabled{cursor:not-allowed;opacity:.65;transform:none}.subject-group-card.completed .subject-group-action{color:var(--green);border-color:#b8ddd3}
@media(max-width:850px){.day-overview{padding:28px 24px 38px}.subject-groups{grid-template-columns:1fr}.subject-group-card.current,.subject-group-card:last-child:nth-child(odd){grid-column:auto}.subject-group-card{grid-template-columns:64px 1fr;min-height:138px}.subject-group-icon{width:60px;height:60px}.subject-group-action{grid-column:1/-1;width:100%}}
@media(max-width:560px){.day-overview{padding:22px 14px 30px}.day-overview-heading{margin-bottom:18px}.day-overview-heading h1{font-size:2rem}.day-overview-heading p{font-size:.9rem}.subject-groups{gap:10px}.subject-group-card{grid-template-columns:54px 1fr;gap:12px;padding:14px;min-height:0;border-radius:17px}.subject-group-icon{width:52px;height:52px;border-radius:15px;font-size:1.8rem}.subject-group-copy h2{font-size:1.15rem}.subject-group-copy p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.subject-group-action{min-height:46px}}

/* Ajuste completo para teléfonos: ningún control puede imponer un ancho mayor al viewport. */
.lesson,.lesson-shell,.lesson-body,.activity-card,.visual-activity,.child-task,.lesson-title{min-width:0}
.exercise-meta{min-width:0;flex-wrap:wrap}.exercise-meta>strong{white-space:nowrap}

@media(max-width:480px){
  .lesson{padding:0}
  .lesson-shell{width:100%;min-height:100svh;border-radius:0}
  .lesson-header{padding:10px 12px;gap:8px}
  .icon-button{width:42px;height:42px;flex:0 0 42px}
  .lesson-title{min-width:0}
  .lesson-title span{font-size:.62rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .lesson-title strong{max-width:none!important;font-size:.82rem!important}
  .lesson-header .button{flex:0 0 42px;width:42px;min-height:42px}
  .lesson-body{min-height:calc(100svh - 101px)}
  .visual-activity{width:100%;max-width:100%;padding:14px 12px 18px}
  .exercise-meta{align-items:center;gap:8px}
  .exercise-meta>strong{margin-left:auto;font-size:.7rem}
  .subject-pill{font-size:.7rem;max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .child-task{min-height:calc(100svh - 168px)}
  .child-task h1{font-size:clamp(1.7rem,9vw,2.15rem);margin:10px 0 2px}
  .child-task>p{font-size:clamp(1rem,5vw,1.25rem);line-height:1.25}
  .visual-stage{min-height:150px;padding:8px 0}
  .visual-cue{font-size:clamp(4.5rem,28vw,7rem)}
  .visual-count{width:100%;gap:clamp(5px,2.2vw,10px)}
  .visual-count span{font-size:clamp(2.5rem,15vw,4rem)}
  .visual-answers{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;width:100%;max-width:100%;padding:0}
  .visual-answer,.route-5-6 .visual-answer{min-width:0;min-height:76px;padding:6px 3px}
  .visual-answer>span,.route-5-6 .visual-answer>span{font-size:clamp(2rem,12vw,3.2rem)}
  .visual-answer small{font-size:.78rem;overflow-wrap:anywhere}
  .text-options{grid-template-columns:1fr}
  .text-options .visual-answer{grid-template-columns:34px minmax(0,1fr);text-align:left}
  .text-options .visual-answer>span{font-size:1rem;width:30px;height:30px}
  .text-options .visual-answer small{font-size:.86rem}
  .child-submit{width:100%;min-width:0;min-height:50px;font-size:1.05rem}
  .visual-groups{grid-template-columns:repeat(2,minmax(0,1fr))}
  .visual-group{min-width:0;min-height:145px;padding:8px}
  .visual-group span{font-size:clamp(1.8rem,10vw,2.8rem)}
  .word-slots,.sequence-slots{width:100%;gap:5px}
  .word-slots span,.sequence-slots span{min-width:0;max-width:62px;flex:1 1 40px}
  .word-options{grid-template-columns:repeat(auto-fit,minmax(46px,1fr))}
  .math-input-visual{width:100%}
  .math-input-visual input{width:min(42vw,150px);height:78px}
  .match-board{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:7px}
  .match-option{min-width:0;overflow-wrap:anywhere}
  .complete-word{max-width:100%;gap:5px}
  .complete-word span{min-width:0;flex:1 1 38px}
}

/* En horizontal se aprovechan dos zonas sin sacrificar el ancho de respuestas. */
@media(max-height:500px) and (orientation:landscape){
  .lesson{padding:4px}
  .lesson-shell{min-height:calc(100svh - 8px);border-radius:12px}
  .lesson-header{padding:6px 10px;gap:8px}
  .icon-button{width:38px;height:38px;flex:0 0 38px}
  .lesson-header .button{width:40px;min-height:38px;flex:0 0 40px}
  .lesson-progress{height:4px}
  .lesson-body{min-height:0}
  .visual-activity{max-width:100%;padding:7px 14px 10px}
  .exercise-meta{margin-bottom:0;gap:8px}
  .child-task{min-height:0;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);grid-template-areas:"title title" "prompt prompt" "reading reading" "visual answers" "feedback feedback" "submit submit";column-gap:14px;align-items:center}
  .child-task h1{grid-area:title;font-size:1.5rem;margin:1px 0}
  .child-task>p{grid-area:prompt;font-size:.88rem;line-height:1.2;margin:0 auto 2px}
  .reading-card{grid-area:reading;width:100%;max-height:none;margin:3px auto;padding:7px 10px;overflow:visible;font-size:.82rem}
  .visual-stage{grid-area:visual;min-width:0;min-height:112px;padding:2px;gap:5px}
  .visual-cue{font-size:4rem}
  .visual-count{gap:5px}
  .visual-count span{font-size:2.35rem}
  .visual-answers{grid-area:answers;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:100%;max-width:100%;margin:2px auto}
  .visual-answer,.route-5-6 .visual-answer{min-width:0;min-height:60px;padding:4px}
  .visual-answer>span,.route-5-6 .visual-answer>span{font-size:2rem}
  .visual-answer small{font-size:.72rem;overflow-wrap:anywhere}
  .text-options{grid-template-columns:1fr}
  .text-options .visual-answer{grid-template-columns:32px minmax(0,1fr)}
  .match-board{grid-area:answers;min-width:0;gap:6px;margin:2px auto}
  .math-input-visual{grid-area:visual}
  #activity-feedback{grid-area:feedback}
  .child-submit{grid-area:submit;width:100%;min-width:0;min-height:42px;margin-top:2px;font-size:1rem}
}