.course-area-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.course-area{display:flex;flex-direction:column;align-items:flex-start;gap:8px;text-align:left;padding:22px;border:1px solid #b7c9cf;border-top:4px solid #12677b;border-radius:7px;background:#fff;color:#16222b;min-height:108px}.course-area strong{font-size:1.1rem}.course-area span{font-size:.87rem;color:#415660}.course-area[aria-current=page]{background:#e2f1f4;border-color:#12677b;box-shadow:inset 0 0 0 1px #12677b}.classroom{display:block}.classroom.has-syllabus{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px}.lesson-body{min-width:0}.course-welcome{padding:30px;background:white;border:1px solid #d8e2e5;border-radius:6px}.course-welcome p{max-width:65ch}.syllabus-mobile>summary{padding:20px;font-weight:700;cursor:pointer}.syllabus-mobile section{padding:0 16px 12px}.syllabus-mobile h3{font-size:1rem;margin:10px 0}.lesson-link[aria-current=page],.lesson-link[aria-current=true]{background:#dceef1;color:#123943;border-left:4px solid #12677b}.course-heading{margin-bottom:12px}.course-heading h1{font-size:clamp(1.8rem,4vw,2.7rem)}.login-layout{max-width:850px;grid-template-columns:1fr 1.1fr;gap:40px;margin:12px auto}.login-intro h1{max-width:15ch;font-size:clamp(1.8rem,4vw,2.6rem)}.login-intro{padding:12px 0}.login-intro p{max-width:35ch}.login-feedback{margin:0 0 16px;padding:12px;border-left:3px solid #12677b;background:#edf5f6;line-height:1.5}.login-feedback[role=alert]{border-color:#a02622;background:#fff0ef;color:#81231f}.code-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.resend-countdown{font-size:.85rem;color:#415660}.code-actions button[aria-disabled=true]{opacity:.65}.case-filters{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.case-filters button{min-height:44px}.case-filters .button[aria-pressed=true]{background:#12677b;color:#fff;border-color:#12677b}.case-card:focus-within{outline:2px solid #12677b;outline-offset:3px}.case-grid{scroll-margin-top:20px}
@media(min-width:761px){.syllabus-mobile:not([open])>section{display:block}.syllabus-mobile>summary{list-style:none;pointer-events:none}.syllabus-mobile>summary::-webkit-details-marker{display:none}}
@media(max-width:760px){main{padding-top:20px}.login-layout{display:flex;flex-direction:column;gap:14px;margin:0 auto}.login-intro{padding:0}.login-intro h1{max-width:none;margin-bottom:12px}.login-intro p{max-width:none;margin-bottom:0}.login-intro .eyebrow{margin-bottom:8px}.login-layout>.panel{width:100%;padding:20px}.login-layout>.panel h2{font-size:1.3rem}.login-layout .field{margin-bottom:14px}.classroom.has-syllabus{display:block}.syllabus{margin-bottom:16px}.syllabus-mobile>summary{padding:14px 16px}.course-area-nav{gap:8px;margin:16px 0;grid-template-columns:repeat(3,minmax(0,1fr))}.course-area{padding:12px 8px;min-height:88px;gap:6px}.course-area strong{font-size:.88rem;line-height:1.25;overflow-wrap:anywhere}.course-area span{font-size:.75rem}.course-welcome{padding:22px}.topo{padding:14px 0}.marca-oficial img{width:190px;max-width:100%}.topo-inner{gap:12px;flex-wrap:wrap}.top-links{gap:14px}.top-links a{font-size:.8rem}.session-bar{padding:10px 0}.session-actions .button{font-size:.85rem;padding:8px 12px}.wrap{padding-inline:20px}}
.session-identity{display:grid;gap:3px;min-width:0}.participant-number{font-weight:600;color:#235764;font-size:.9rem;overflow-wrap:anywhere}.session-identity .participant-number{font-variant-numeric:tabular-nums}
/* Navegação direta da Turma Zero e orientação inicial — 19/09. */
.course-area-nav{grid-template-columns:repeat(4,minmax(0,1fr))}
.course-area{cursor:pointer;transition:background-color .15s,border-color .15s}
.course-area:hover{background:#f0f7f8;border-color:#12677b}
.course-area:focus-visible{outline:3px solid #12677b;outline-offset:3px}
.course-welcome{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:32px;padding:32px;background:linear-gradient(125deg,#fff 20%,#edf6f7);border-color:#b7c9cf}
.course-welcome h2{margin:4px 0 14px}.course-welcome .button{margin-top:12px}
.study-route{margin:0;padding:0;list-style:none;counter-reset:study;display:grid;gap:18px}
.study-route li{position:relative;padding-left:42px;counter-increment:study}
.study-route li:before{content:counter(study);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#dceef1;color:#124c5a;font-weight:700;font-variant-numeric:tabular-nums}
.study-route strong,.study-route span{display:block}.study-route span{margin-top:3px;font-size:.9rem;color:#415660;line-height:1.5}
@media(max-width:760px){.course-area-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.course-area{padding:16px;min-height:90px}.course-area strong{font-size:1rem;overflow-wrap:normal}.course-area span{font-size:.82rem}.course-welcome{grid-template-columns:1fr;gap:24px;padding:22px}.course-welcome h2{font-size:1.65rem}}
@media(prefers-reduced-motion:reduce){.course-area{transition:none}}