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@media(max-width:720px){.topbar{padding:18px 20px}.brand{font-size:23px}.brand-icon{width:37px;height:37px;font-size:29px}.brand-sub{font-size:7px}.topbar nav{display:none}.private{font-size:10px;padding:7px 9px}main{padding:0 20px}.hero{grid-template-columns:1fr;gap:26px;padding:36px 0 32px}.hero h1{font-size:60px}.hero-copy .eyebrow{font-size:9px}.hero-foot{font-size:10px}.intro{font-size:15px}.hero-art{height:277px;max-width:500px;width:100%;margin:auto}.art-label{font-size:8px;top:19px;left:22px}.time-card{width:151px;padding:10px 14px}.time-card p{font-size:27px}.time-card small{font-size:9px}.past{top:52px;left:19px}.now{top:103px;left:calc(50% - 72px);width:167px}.now p{font-size:30px}.future{top:169px;right:20px}.spark{font-size:43px;right:30px;top:44px}.art-note{font-size:8px;bottom:15px;left:20px}.workspace{padding-top:29px}.section-head{display:block;margin-bottom:20px}.section-head h2{font-size:28px}.section-head .eyebrow{font-size:9px}.count-chip{display:inline-block;margin-top:15px}.aula-layout{display:block}.catalog{padding:16px;margin-bottom:15px}.search-label,.search-wrap,#tense-list,.catalog-note{display:none}.mobile-label,#mobile-tense{display:block}.mobile-label{font-size:11px;margin-bottom:7px;color:var(--muted)}.tabs button{font-size:12px;padding:17px 5px;min-height:53px;gap:5px}.tabs button span{font-size:9px}.lesson-body{padding:22px 20px}.lesson-title{font-size:28px}.lesson-summary{font-size:13px}.explain-grid{gap:20px}.explain-grid h4{font-size:11px}.explain-grid ul,.examples p{font-size:11px}.rule-box p{font-size:12px}.rule-box{padding:12px 14px}.table-scroll{margin:20px -5px 18px}table{font-size:11px;min-width:470px}th,td{padding:10px}.tip{padding:14px}.tip p{font-size:11px}.lesson-bottom{gap:13px}.lesson-bottom .primary{width:100%}.progress-section{padding:28px 0}.progress-heading{display:block}.progress-heading h2{font-size:27px}.progress-heading .eyebrow{font-size:9px}.stats>div{padding:0 13px}.stats strong{font-size:30px}.stats strong span{font-size:15px}.stats>div>span{font-size:9px}.stats{padding:20px 0}.answer-row{flex-wrap:wrap}.answer-row .primary{width:100%}.question-sentence{font-size:23px;margin-bottom:19px}.practice-intro{font-size:12px}.accent-keys{gap:5px}.accent-keys>span{font-size:9px;margin-right:3px}.accent-keys button{width:29px}.next-row{flex-wrap:wrap}.next-row .primary{width:100%}.next-row>span{width:100%}.test-art{gap:6px;padding:27px 8px}.test-art span{font-size:19px;padding:10px 9px}.round-result h3,.round-result h4{font-size:65px}.result-actions{flex-direction:column}.round-result p{font-size:13px}.history-list>div{font-size:11px;padding:10px;gap:10px}.history-list small{font-size:10px}footer{margin:0 20px;flex-wrap:wrap;gap:10px;padding:22px 0}footer>p{font-size:9px;margin:7px 0;min-width:180px}footer details{max-width:100%;margin-top:12px;width:100%}footer summary{text-align:left}select{font-size:12px}.dialog-actions{flex-wrap:wrap}.toast{font-size:12px}.bar{margin-bottom:25px}.level{font-size:9px}.lesson-meta{gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{body{background:white;color:#333}.hero,.topbar,.catalog,.tabs,.progress-section,footer,.lesson-bottom,button,.toast{display:none}.workspace{padding:0;border:0}main{padding:0}.section-head .count-chip{display:none}.aula-layout{display:block}.study{border:0}.table-scroll{overflow:visible}.lesson-body{padding:15px}.irregular{display:block}.rule-box,.tip{background:#f5f5f5;border-color:#999}h2,h3,h4{break-after:avoid}tr,.tip,.examples p{break-inside:avoid}}

.footer-author{flex:1;min-width:0;margin:3px 0;color:var(--muted);font-size:12px;line-height:1.65}.footer-author strong{display:block;color:var(--green);font-weight:600}.footer-author span{display:block;font-size:11px;font-style:italic;margin-top:2px}
@media(max-width:720px){.footer-author{flex-basis:calc(100% - 110px);font-size:11px;margin-top:2px}.footer-author span{font-size:10px}}

.bank-summary{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--green);background:var(--mint);font-size:12px;padding:12px 15px;border-radius:8px;margin:18px 0 14px}.series-controls{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-bottom:24px}.series-controls label{font-size:11px;color:var(--muted)}.series-controls select{width:145px;font-size:12px;min-height:40px;padding:9px}.series-controls .secondary{font-size:11px;min-height:40px;padding:9px 12px}.series-controls p{width:100%;font-size:11px;color:var(--muted);margin:0;line-height:1.6}.test-length-label{margin-top:18px}#test-length:disabled{opacity:.55}
@media(max-width:720px){.bank-summary{font-size:11px}.series-controls{gap:8px}.series-controls label{width:100%}.series-controls select{flex:1;min-width:110px}.series-controls .secondary{flex:1;min-width:140px}}
@media print{.bank-summary,.series-controls{display:none}}

.exercise-types{border:0;padding:0;margin:20px 0}.exercise-types legend{font-size:11px;color:var(--muted);margin-bottom:8px;font-weight:600}.exercise-types>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.exercise-types button{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;background:#fafbf6;color:var(--ink);padding:12px 10px;font-size:12px;text-align:left;min-height:48px}.exercise-types button>span{display:grid;place-items:center;flex-shrink:0;background:var(--sand);color:var(--green);border-radius:5px;width:23px;height:24px;font-size:10px}.exercise-types button[aria-pressed=true]{background:var(--green);border-color:var(--green);color:#fff}.exercise-types button[aria-pressed=true]>span{background:#ffffff20;color:#fff}.exercise-types button:hover:not([aria-pressed=true]){background:var(--mint);border-color:#9fb391}.text-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 10px;align-items:center;margin:18px 0 26px}.text-controls label{grid-column:1/-1;margin-bottom:0}.text-controls .secondary{min-height:46px;font-size:12px}.text-title{font:26px Georgia,serif;margin:18px 0 12px;line-height:1.35;color:var(--green)}.text-passage{font-size:17px;line-height:2.6;background:#fbfcf6;border:1px solid var(--line);border-radius:10px;padding:22px 20px;margin:20px 0;overflow-wrap:break-word}.text-gap{display:inline-flex;flex-direction:column;vertical-align:middle;max-width:100%;margin:5px 4px}.text-answer{width:23ch;max-width:100%;min-height:42px;border:1px solid #aabd9f;border-bottom:2px solid #809b73;background:white;border-radius:5px;padding:7px 10px;color:var(--ink);font-size:16px;line-height:1.4}.gap-cue{font-size:11px;line-height:1.4;color:var(--muted);margin-top:3px;max-width:23ch}.text-answer:disabled{opacity:1;-webkit-text-fill-color:var(--ink)}.text-answer.gap-correct{border-color:#719b64;background:#eef7e8}.text-answer.gap-incorrect{border-color:#bc825d;background:#fff4e8}.text-result{margin-top:24px}.text-result:focus{outline:none}.text-result .review-row strong{font-size:16px}.text-result .result-actions{margin:20px 0}
@media(max-width:720px){.exercise-types>div{gap:6px}.exercise-types button{flex-direction:column;align-items:flex-start;gap:7px;padding:9px 7px;font-size:11px;min-height:76px}.text-controls{grid-template-columns:1fr}.text-controls label{grid-column:auto}.text-controls .secondary{justify-self:start}.text-title{font-size:24px}.text-passage{padding:16px 13px;font-size:16px;line-height:2.4}.text-answer{font-size:16px;width:22ch}.text-gap{margin:5px 2px}.gap-cue{font-size:11px}.text-result .review-row strong{font-size:15px}}
@media print{.exercise-types,.text-controls{display:none}.text-passage{border:0;padding:0;background:white}.text-answer{color:#222;border-color:#777;background:white}}

.level-label{display:block;font-size:12px;font-weight:600;color:var(--green);margin-bottom:8px}.level-note{font-size:11px;line-height:1.6;color:var(--muted);margin:10px 0 20px}.catalog-level{display:block;font-size:9px;color:var(--muted);margin-top:3px}.lesson-goal{font-size:13px;line-height:1.7;padding:12px 15px;border-left:3px solid #aabd9f;background:#f1f4e9;border-radius:0 7px 7px 0;margin:15px 0 22px}#level-filter:disabled{opacity:.65}@media(max-width:720px){.level-note{margin-bottom:15px}.lesson-goal{font-size:12px}}@media print{.level-label,#level-filter,.level-note{display:none}}

/* Warm yellow accents complement Duende's green palette. */
@media screen{
 .brand-icon{box-shadow:inset 0 0 0 2px var(--yellow)}
 .hero-art{box-shadow:inset 0 0 0 2px var(--yellow-line)}
 .orbit{border-color:var(--yellow-line)}
 .time-card{border-color:var(--yellow-line);box-shadow:0 10px 22px #253c2910,inset 0 0 0 1px var(--yellow-line)}
 .now{border-color:var(--yellow);box-shadow:0 10px 22px #253c2910,inset 0 0 0 1px var(--yellow)}
 .spark{color:var(--yellow-line)}
 .hero-copy .eyebrow>span{background:var(--yellow-line)}
 .count-chip{border-color:var(--yellow-line);background:var(--yellow-soft)}
 .tabs button[aria-selected=true]{border-bottom-color:var(--yellow-line)}
 .tense-button.selected,.exercise-types button[aria-pressed=true]{box-shadow:inset 0 0 0 2px var(--yellow)}
 .rule-box{border-left-color:var(--yellow-line);background:var(--yellow-soft)}
 .tip{border-color:var(--yellow-line);box-shadow:inset 0 0 0 1px var(--yellow-line)}
}