:root{color-scheme:dark;--bg:#061220;--panel:#0b1c2e;--raised:#122940;--ink:#eef5fc;--muted:#b4c7d9;--line:#2b445c;--cyan:#5ce0f0;--cyan-ink:#03232c;--amber:#ffd28c;--red:#ffabac;--green:#88e1bf;--radius:18px;--shadow:0 16px 45px #0002}
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.course-layout{display:grid;grid-template-columns:238px minmax(0,1fr);max-width:1550px;margin:auto}.rail{position:sticky;top:78px;height:calc(100dvh - 78px);overflow:auto;padding:26px 20px;border-right:1px solid var(--line);background:var(--bg)}.rail a{display:block;color:var(--muted);padding:10px 12px;border-radius:9px;text-decoration:none;font-size:.9rem}.rail a:hover,.rail a[aria-current=location]{color:var(--cyan);background:var(--raised)}.rail .sub{font-size:.79rem}.rail hr{border:0;border-top:1px solid var(--line);margin:18px 0}.main{min-width:0;padding:0 38px 70px}.main>.hero{padding-top:38px}.content-section{padding:32px 0 42px;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:start;gap:18px;flex-wrap:wrap;margin-bottom:24px}.section-head p{max-width:62ch}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}.note{border-left:3px solid var(--cyan);background:var(--raised);border-radius:0 10px 10px 0;padding:15px 18px;margin:18px 0;color:var(--muted)}.note.caution{border-left-color:var(--amber)}.note.danger{border-left-color:var(--red)}.search{width:100%;border:1px solid var(--line);border-radius:11px;background:var(--panel);color:var(--ink);padding:13px 15px}.search-results{display:flex;flex-direction:column;gap:7px;margin:12px 0}.search-results a{background:var(--panel);padding:10px 14px;border-radius:8px}.lesson{padding:26px;margin:18px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.lesson h3{font-size:1.4rem}.lesson .lead{font-size:1rem;color:var(--cyan)}details>summary{cursor:pointer;min-height:44px;padding:12px 0;font-weight:650;color:var(--cyan)}details[open]>summary{margin-bottom:15px}.lesson-block{margin-bottom:25px}.lesson-block h4{color:var(--ink);margin-bottom:9px}.recall{border-top:1px solid var(--line);padding-top:15px;margin-top:18px}.learn-check{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.9rem;margin-top:12px}.learn-check input,.check-item input{width:21px;height:21px;accent-color:var(--cyan);flex:none}.source-links{display:flex;gap:10px;flex-wrap:wrap;font-size:.76rem;margin-top:16px}.source-links a{color:var(--muted)}.source-links a:hover{color:var(--cyan)}
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.quiz-options{display:grid;gap:10px;margin:22px 0}.quiz-options button{display:grid;grid-template-columns:28px 1fr;text-align:left;justify-content:start;align-items:start;width:100%;background:var(--raised)}.quiz-options button:disabled{opacity:1;cursor:default}.quiz-options button b{color:var(--cyan)}.quiz-stem{font-size:1.1rem}.quiz-toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin:18px 0}.quiz-feedback .option-comment{padding:12px 0;border-bottom:1px solid var(--line)}.quiz-feedback .option-comment:last-child{border:0}.flashcard{min-height:260px;display:flex;flex-direction:column;justify-content:center;padding:28px;background:var(--raised);border:1px solid var(--line);border-radius:16px}.flashcard h3{font-size:1.45rem;max-width:60ch}.flash-answer{border-top:1px solid var(--line);padding-top:18px;margin-top:16px}.flash-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.check-item{display:flex;align-items:start;gap:11px;padding:12px 0;border-bottom:1px solid var(--line);font-size:.93rem}.check-item:last-child{border:0}.track{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:20px;margin-bottom:12px}.track h3{font-size:1.06rem}.track ol{font-size:.93rem}.progress-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.progress-grid>div{background:var(--raised);border:1px solid var(--line);border-radius:13px;padding:18px}.progress-grid strong{font-size:1.5rem;display:block;color:var(--cyan)}.progress-grid span{font-size:.8rem;color:var(--muted)}.progress{width:100%;height:8px;accent-color:var(--cyan)}.source-list{display:grid;gap:13px}.source-entry{padding:17px;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere}.source-entry p{font-size:.9rem;margin:7px 0}.import-label{position:relative;cursor:pointer}.import-label input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.import-label:focus-within{outline:3px solid var(--amber);outline-offset:4px}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#menu-toggle{display:none}#announcement{min-height:1.4em;color:var(--amber);font-size:.86rem;margin-top:13px}.print-only{display:none}
html.a11y-contrast{--bg:#000;--panel:#070707;--raised:#161616;--ink:#fff;--muted:#eee;--line:#bbb;--cyan:#85ecff;--amber:#ffe099;--green:#b9ffcd;--red:#ffc3c3}html.a11y-large-text body{font-size:19px}.a11y-reduce-motion,.a11y-reduce-motion *{scroll-behavior:auto!important;animation:none!important;transition:none!important}
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@media(max-width:820px){.course-layout{display:block}.rail{display:none;position:sticky;top:78px;height:auto;max-height:55dvh;border-bottom:1px solid var(--line);z-index:15;padding:12px 18px}.rail.is-open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}.rail hr,.rail small,.rail .sub{display:none}#menu-toggle{display:inline-flex}.sitebar{padding:11px 17px;gap:8px;min-height:72px}.brand small{display:none}.brand img{width:37px;height:37px}.brand strong{font-size:.88rem}.bar-actions{gap:5px}.bar-actions button{padding:8px 10px;font-size:.8rem}.container{padding:25px 20px 60px}.main{padding:0 20px 55px}.main>.hero{padding-top:28px}.hero{padding-top:15px}.grid,.syndrome-grid{grid-template-columns:1fr}.hero-grid{gap:22px}.lead{font-size:1.06rem}.progress-grid{gap:8px}.progress-grid>div{padding:12px}.progress-grid strong{font-size:1.25rem}.panel,.lesson{padding:20px}.audio-deck h3{font-size:1.45rem}.sound-catalog{max-height:230px}.section-head{margin-bottom:15px}.content-section{padding:25px 0 32px}.hero-grid .metrics{margin:10px 0}.brand{max-width:52%}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.sitebar,.rail,.no-print,.audio-layout,.filter-row,.quiz-toolbar,.quiz-options,.flash-actions,.learn-check,.bar-actions,.skip{display:none!important}.print-only{display:block}body{background:#fff;color:#000;font-size:11pt}.course-layout{display:block}.main,.container{padding:0;max-width:none}.hero{padding-top:0}h1{font-size:27pt}h2{font-size:20pt}.panel,.lesson,.syndrome-card,.source-entry{background:#fff;color:#000;border:1px solid #bbb;box-shadow:none}.note{background:#f1f1f1;color:#222}.muted,small,.lead,.eyebrow,.source-links a{color:#333}a{color:#000}.lesson-block{break-inside:avoid}.content-section{break-before:auto}details>summary{color:#111}.syndrome-grid{display:block}.syndrome-card{margin:12px 0}.lesson .lead{color:#222}}

#treino-auditivo{margin-top:24px}