*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#122033;background:#f7f9fc}a{text-decoration:none;color:inherit}.top{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);background:#fff;border-bottom:1px solid #e8edf4;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px;font-weight:800}.mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#163c70;color:#fff;font-size:22px}.top nav{display:flex;gap:26px;font-size:14px;font-weight:650;color:#526176}.top nav a:hover{color:#163c70}.menu{display:none;border:0;background:none;font-size:24px}.hero{min-height:560px;padding:80px max(7vw,28px);display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:center;background:radial-gradient(circle at 80% 20%,#e3efff,transparent 30%),linear-gradient(135deg,#f7faff,#edf4fd)}.eyebrow,.heading span{font-size:12px;letter-spacing:2px;font-weight:800;color:#197b61}.hero h1{font-size:clamp(44px,6vw,76px);line-height:.98;margin:20px 0;letter-spacing:-3px;max-width:800px}.hero h1 em{font-style:normal;color:#1c5d9f}.hero-copy>p{font-size:19px;line-height:1.7;color:#58677a;max-width:670px}.actions{display:flex;gap:12px;margin:30px 0}.btn{padding:14px 20px;border-radius:12px;font-weight:750}.primary{background:#174d87;color:#fff}.secondary{background:#fff;border:1px solid #dbe3ed}.chips{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#647386}.hero-card{background:#fff;padding:34px;border-radius:24px;box-shadow:0 24px 70px #234c7722;border:1px solid #e3eaf3}.mini{font-size:10px;font-weight:900;letter-spacing:2px;color:#1b8065}.icon{font-size:70px;font-family:Georgia;color:#174d87}.hero-card h3{font-size:26px;margin:5px 0}.hero-card p,.card p,.game-grid p{color:#647386;line-height:1.6}.hero-card a,.card a{font-weight:800;color:#175c9e}.section{padding:80px max(7vw,28px)}.heading{text-align:center;max-width:650px;margin:0 auto 42px}.heading h2{font-size:38px;margin:10px 0}.heading p{color:#718096}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1180px;margin:auto}.card{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:26px;min-height:260px;transition:.2s}.card:hover{transform:translateY(-4px);box-shadow:0 15px 35px #263b5515}.card-icon{font-size:30px;margin-bottom:20px}.card small{font-weight:900;letter-spacing:1.5px;color:#6b7b8e}.card h3{font-size:22px;margin:8px 0}.featured{border-top:4px solid #1c5d9f}.amazonia{border-top:4px solid #238363}.games{background:#112c4d;color:#fff}.games .heading p{color:#b8c7d9}.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1180px;margin:auto}.game-grid article{padding:28px;border:1px solid #ffffff20;background:#ffffff0b;border-radius:18px}.game-grid b{font-size:12px;color:#67c6a9}.game-grid button{border:1px solid #ffffff30;background:transparent;color:#dce7f4;padding:9px 13px;border-radius:9px}footer{text-align:center;padding:45px;background:#091c31;color:#aab9c9}footer .brand{justify-content:center;color:#fff;margin-bottom:10px}@media(max-width:800px){.top nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;border-bottom:1px solid #ddd}.top nav.open{display:flex}.menu{display:block}.hero{grid-template-columns:1fr;padding-top:55px}.hero-card{display:none}.hero h1{letter-spacing:-2px}.grid,.game-grid{grid-template-columns:1fr}.section{padding-top:60px}.chips{display:none}}
.pagehero{padding:64px max(7vw,28px) 42px;background:linear-gradient(135deg,#edf5ff,#f8fbff)}
.pagehero h1{font-size:clamp(38px,5vw,60px);margin:10px 0;letter-spacing:-2px}
.pagehero p{max-width:760px;color:#607085;font-size:18px;line-height:1.65}
.breadcrumb{font-size:13px;color:#65758a;font-weight:700}
.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1100px;margin:auto}
.topic{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:25px}
.topic h3{margin:5px 0 10px}.topic ul{padding-left:20px;color:#5e6e82;line-height:1.8}
.tag{display:inline-block;padding:6px 9px;border-radius:20px;background:#eaf3ff;color:#18588f;font-size:11px;font-weight:850}
.notice{max-width:1100px;margin:30px auto 0;padding:18px 20px;border-radius:14px;background:#eef8f4;border:1px solid #cceadd;color:#235e4d}
.quick{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.quick a{padding:10px 14px;border-radius:10px;background:#fff;border:1px solid #dbe3ed;font-weight:700;color:#245987}
@media(max-width:800px){.content-grid{grid-template-columns:1fr}}

.class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1050px;margin:auto}
.class-card{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:28px;position:relative;overflow:hidden}
.class-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:#1b5f9d}
.class-card h3{font-size:30px;margin:8px 0}.class-card p{color:#65758a;line-height:1.6}
.class-card a{display:inline-block;margin-top:10px;padding:11px 15px;border-radius:10px;background:#174d87;color:white;font-weight:800}
.today{max-width:1050px;margin:30px auto;background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:25px}
.today h3{margin-top:0}.lesson-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.lesson{padding:16px;border-radius:13px;background:#f5f8fc}.lesson b{display:block;margin-bottom:5px}.lesson span{color:#66768a;font-size:14px}
@media(max-width:800px){.class-grid,.lesson-list{grid-template-columns:1fr}}

.dashboard{max-width:1050px;margin:auto;display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
.panel{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:25px}
.panel h3{margin:4px 0 15px}.status{display:inline-block;font-size:11px;font-weight:900;letter-spacing:1px;color:#197b61}
.task{padding:17px 0;border-bottom:1px solid #edf0f4}.task:last-child{border:0}.task b{display:block;margin-bottom:6px}.task p{margin:0;color:#65758a;line-height:1.5}
.action-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}
.action-btn{display:inline-block;padding:10px 13px;border-radius:10px;background:#174d87;color:#fff;font-weight:800;font-size:13px}
.action-btn.alt{background:#eef4fb;color:#174d87}
.qrbox{display:grid;place-items:center;min-height:180px;background:repeating-linear-gradient(45deg,#f7f9fc,#f7f9fc 8px,#fff 8px,#fff 16px);border:1px dashed #ccd6e2;border-radius:14px;text-align:center;padding:20px}
.qrbox strong{font-size:34px}.notice-list{padding:0;list-style:none}.notice-list li{padding:12px 0;border-bottom:1px solid #edf0f4;color:#596a7f}.notice-list li:last-child{border:0}
@media(max-width:800px){.dashboard{grid-template-columns:1fr}}

/* V2.6 acabamento */
.hero{min-height:500px;padding-top:58px;padding-bottom:58px}
.hero-copy>p{max-width:620px}.hero-card{position:relative;overflow:hidden}
.hero-card:after{content:"MATTE";position:absolute;right:-8px;bottom:-22px;font-size:72px;font-weight:900;color:#174d8709}
.section{padding-top:68px;padding-bottom:68px}
.pagehero{padding-top:42px!important;padding-bottom:36px!important}
.pagehero+ .section{padding-top:44px}
.game-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1180px;margin:auto}
.game-card{background:#fff;border:1px solid #dfe7f0;border-radius:22px;overflow:hidden;box-shadow:0 12px 35px #1736530b;transition:.2s}
.game-card:hover{transform:translateY(-5px);box-shadow:0 18px 42px #17365318}
.game-cover{height:145px;padding:24px;display:flex;align-items:flex-end;background:linear-gradient(135deg,#143f70,#1d659e);color:#fff;position:relative}
.game-card:nth-child(2) .game-cover{background:linear-gradient(135deg,#193b68,#365d9b)}
.game-card:nth-child(3) .game-cover{background:linear-gradient(135deg,#12604d,#23906e)}
.game-symbol{font-size:48px}.game-cover small{position:absolute;right:20px;top:20px;font-weight:900;letter-spacing:1px;color:#ffffffc9}
.game-body{padding:24px}.game-body h3{font-size:22px;margin:0 0 10px}.game-body p{color:#65758a;line-height:1.6;min-height:76px}
.play{display:block;text-align:center;margin-top:18px;padding:13px 16px;border-radius:11px;background:#174d87;color:#fff;font-weight:900}
.game-card:nth-child(3) .play{background:#19785f}
.games-home{background:#102f53;color:#fff}.games-home .heading p{color:#c2cfde}.games-home .game-card{color:#122033}
.dashboard{align-items:start}.dashboard .panel{box-shadow:0 8px 25px #17365308}
.backrow{max-width:1050px;margin:0 auto 16px}.backrow a{font-weight:800;color:#245987}
@media(max-width:800px){
.hero{min-height:auto;padding-top:42px;padding-bottom:45px}.hero h1{font-size:46px}.actions{flex-direction:column;align-items:stretch}.actions .btn{text-align:center}
.section{padding-top:50px;padding-bottom:50px}.game-showcase{grid-template-columns:1fr}.game-body p{min-height:auto}
.pagehero{padding-top:30px!important;padding-bottom:28px!important}.pagehero+ .section{padding-top:28px}
.dashboard .action-row{display:grid;grid-template-columns:1fr}.dashboard .action-btn{text-align:center;padding:13px}
}

/* V2.7 refinamento MATTE, turmas e projetos */
.bim-intro{max-width:1120px;margin:auto}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0 34px}
.feature-mini{background:#fff;border:1px solid #e1e8f0;border-radius:16px;padding:18px;display:flex;gap:13px;align-items:flex-start}
.feature-mini i{font-style:normal;font-size:25px}.feature-mini b{display:block;margin-bottom:5px}.feature-mini span{font-size:13px;color:#68788b;line-height:1.5}
.bim-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bim-card{background:#fff;border:1px solid #e1e8f0;border-radius:18px;padding:22px;position:relative}
.bim-card.current{border-top:4px solid #178060}.bim-no{font-size:24px;font-weight:900;color:#174d87}.bim-card h3{font-size:20px;margin:12px 0 8px}.bim-card p{color:#69798c;min-height:48px}.bim-card a{display:block;text-align:center;padding:11px;border-radius:10px;background:#eef4fb;color:#174d87;font-weight:850}.bim-card.current a{background:#19785f;color:#fff}
.current-label{position:absolute;right:14px;top:12px;font-size:10px;font-weight:900;color:#19785f}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1180px;margin:auto}
.project-card{background:#fff;border:1px solid #e0e7ef;border-radius:22px;overflow:hidden;box-shadow:0 12px 32px #1636530b}
.project-visual{height:140px;display:flex;align-items:center;justify-content:center;font-size:55px;background:linear-gradient(135deg,#eaf3ff,#dceaff)}
.project-card.green .project-visual{background:linear-gradient(135deg,#e6f6ef,#cfeade)}
.project-card.purple .project-visual{background:linear-gradient(135deg,#f0eaff,#e4dafa)}
.project-content{padding:23px}.project-content small{font-weight:900;letter-spacing:1.4px;color:#526d8d}.project-content h3{font-size:23px;margin:7px 0 10px}.project-content p{color:#66768a;line-height:1.6;min-height:75px}.project-content a{display:block;text-align:center;padding:12px;border-radius:10px;background:#175c9e;color:#fff;font-weight:850}.green .project-content a{background:#19785f}.purple .project-content a{background:#7041ad}
.class-card .now{display:inline-block;margin:4px 0 10px;padding:6px 9px;border-radius:20px;background:#eef8f4;color:#19785f;font-size:11px;font-weight:900}
@media(max-width:900px){.bim-grid{grid-template-columns:repeat(2,1fr)}.project-grid{grid-template-columns:1fr}.feature-strip{grid-template-columns:1fr}}
@media(max-width:600px){.bim-grid{grid-template-columns:1fr}}

/* V2.8 páginas de conteúdo */
.subject-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1100px;margin:auto}
.subject{background:#fff;border:1px solid #e1e8f0;border-radius:18px;padding:24px}
.subject h3{margin:7px 0 10px;font-size:22px}.subject p,.subject li{color:#637387;line-height:1.65}
.formula{margin:14px 0;padding:14px;border-radius:12px;background:#f2f6fb;font-family:Georgia,serif;font-size:18px;color:#173f6b}
.example{padding:15px;border-left:4px solid #1b7d61;background:#f0f8f5;border-radius:10px;color:#365d53}
.exercise{padding:14px 0;border-bottom:1px solid #edf0f4}.exercise:last-child{border:0}
.study-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.study-actions a{padding:10px 13px;border-radius:9px;background:#174d87;color:#fff;font-weight:800}
.study-actions a.alt{background:#edf4fb;color:#174d87}
@media(max-width:800px){.subject-grid{grid-template-columns:1fr}}

/* V2.9 aulas interativas */
.learnbar{max-width:1100px;margin:0 auto 22px;padding:18px 20px;background:#fff;border:1px solid #e1e8f0;border-radius:16px}
.learnbar b{display:block;margin-bottom:8px}.learnbar span{color:#66768a}
.quiz{max-width:1100px;margin:22px auto 0;background:#fff;border:1px solid #e1e8f0;border-radius:18px;padding:24px}
.quiz h3{margin:4px 0 8px}.quiz p{color:#617287}
.answers{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.answer{border:1px solid #dbe4ee;background:#f8fafc;border-radius:11px;padding:12px;text-align:left;cursor:pointer;font-weight:700;color:#28445f}
.answer:hover{background:#eef5fc}.answer.correct{background:#e7f7ef;border-color:#6dc39d;color:#176448}.answer.wrong{background:#fff0f0;border-color:#e29a9a;color:#9a3434}
.feedback{display:none;margin-top:14px;padding:13px;border-radius:10px;background:#f2f6fb;color:#41566d}
.steps{counter-reset:step}.step{position:relative;padding:13px 13px 13px 45px;margin:9px 0;background:#f7f9fc;border-radius:11px;color:#4d6075}.step:before{counter-increment:step;content:counter(step);position:absolute;left:12px;top:11px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#174d87;color:white;font-weight:900;font-size:12px}
@media(max-width:650px){.answers{grid-template-columns:1fr}}

/* V4.59 — ambiente visual exclusivo da área do aluno */
body.pg-student-shell{
  min-height:100vh;
  padding-left:272px;
  background:#f3f7fb;
}
body.pg-student-shell>.top,
body.pg-student-shell>#pgUserBar{display:none!important}
.pg-student-sidebar{
  position:fixed;
  inset:0 auto 0 0;
  z-index:1000;
  width:272px;
  display:flex;
  flex-direction:column;
  color:#fff;
  background:linear-gradient(180deg,#0d3159 0%,#092541 100%);
  box-shadow:12px 0 35px rgba(9,37,65,.15);
}
.pg-side-brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:82px;
  padding:18px 20px;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-weight:900;
}
.pg-side-brand .mark{background:#fff;color:#12385f;flex:0 0 auto}
.pg-side-profile{padding:22px 20px;background:rgba(255,255,255,.06)}
.pg-side-avatar{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  margin-bottom:11px;background:#20a47b;color:#fff;font-size:18px;font-weight:900;
  border:3px solid rgba(255,255,255,.22)
}
.pg-side-profile strong{display:block;font-size:16px;line-height:1.3}
.pg-side-profile span{display:block;margin-top:4px;color:#bcd1e4;font-size:13px}
.pg-side-label{padding:20px 20px 8px;color:#83a6c6;font-size:11px;font-weight:900;letter-spacing:1.5px}
.pg-side-nav{display:grid;gap:5px;padding:0 12px}
.pg-side-nav a{
  display:flex;align-items:center;gap:12px;min-height:46px;padding:10px 13px;
  border-radius:11px;color:#dce9f5;font-size:14px;font-weight:800;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.pg-side-nav a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateX(2px)}
.pg-side-nav a.active{background:#fff;color:#12385f;box-shadow:0 8px 22px rgba(0,0,0,.14)}
.pg-side-icon{width:24px;text-align:center;font-size:18px}
.pg-side-bottom{margin-top:auto;padding:16px 12px 20px;border-top:1px solid rgba(255,255,255,.10)}
.pg-side-logout{
  width:100%;display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 13px;
  border:1px solid rgba(255,255,255,.16);border-radius:11px;background:transparent;
  color:#fff;font:inherit;font-size:14px;font-weight:850;cursor:pointer;
}
.pg-side-logout:hover{background:rgba(255,255,255,.09)}
.pg-side-toggle,.pg-side-overlay{display:none}
body.pg-student-shell .pagehero{padding-left:clamp(24px,5vw,72px);padding-right:clamp(24px,5vw,72px)}
body.pg-student-shell footer{margin:0}

@media(max-width:900px){
  body.pg-student-shell{padding-left:0;padding-top:64px}
  .pg-student-sidebar{width:min(286px,86vw);transform:translateX(-105%);transition:transform .24s ease}
  body.pg-side-open .pg-student-sidebar{transform:translateX(0)}
  .pg-side-toggle{
    position:fixed;z-index:1002;top:10px;left:12px;display:flex;align-items:center;gap:10px;
    min-height:44px;padding:9px 14px;border:0;border-radius:11px;background:#12385f;color:#fff;
    box-shadow:0 8px 22px rgba(18,56,95,.22);font-weight:850;cursor:pointer
  }
  .pg-side-overlay{position:fixed;z-index:999;inset:0;display:none;background:rgba(4,20,36,.55)}
  body.pg-side-open .pg-side-overlay{display:block}
}

/* V4.65 — resultado da avaliação em folder flutuante */
.result.pg-floating-result{
  position:fixed!important;
  z-index:5000!important;
  inset:50% auto auto 50%!important;
  transform:translate(-50%,-50%)!important;
  display:block!important;
  width:min(560px,calc(100vw - 32px))!important;
  max-height:calc(100vh - 40px)!important;
  overflow:auto!important;
  margin:0!important;
  padding:30px!important;
  border:1px solid rgba(255,255,255,.2)!important;
  border-radius:22px!important;
  background:linear-gradient(145deg,#123f6d,#0c2c4e)!important;
  color:#fff!important;
  box-shadow:0 0 0 100vmax rgba(5,20,35,.68),0 28px 75px rgba(0,0,0,.34)!important;
  animation:pgResultIn .24s ease-out both;
}
.result.pg-floating-result:before{
  content:"RESULTADO DA AVALIAÇÃO";
  display:inline-block;
  margin-bottom:10px;
  padding:7px 10px;
  border-radius:20px;
  background:#fff;
  color:#12385f;
  font-size:11px;
  font-weight:900;
  letter-spacing:1.1px;
}
.result.pg-floating-result h2{margin:6px 0 18px;font-size:30px;color:#fff}
.result.pg-floating-result p{color:#e1edf7!important;line-height:1.6}
.result.pg-floating-result #reviewBtn,
.result.pg-floating-result #back{display:none!important}
.pg-result-countdown{
  margin-top:20px;
  padding:13px 15px;
  border-radius:12px;
  background:rgba(255,255,255,.1);
  color:#fff;
  text-align:center;
  font-weight:850;
}
.pg-result-countdown strong{color:#8ee0c2;font-size:19px}
.pg-result-countdown span{display:block;margin-top:11px}
.pg-review-now{display:block;padding:11px 14px;border-radius:10px;background:#fff;color:#12385f!important;text-align:center;font-weight:900;text-decoration:none}
.pg-review-now:hover{background:#eaf3ff}
@keyframes pgResultIn{from{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@media(prefers-reduced-motion:reduce){.result.pg-floating-result{animation:none}}
@media(max-width:520px){.result.pg-floating-result{padding:22px!important}.result.pg-floating-result h2{font-size:25px}}

/* V3.0 progresso local e banco ampliado */
.progressbox{max-width:1100px;margin:0 auto 20px;background:#fff;border:1px solid #e1e8f0;border-radius:16px;padding:18px}
.progresshead{display:flex;justify-content:space-between;gap:15px;align-items:center}.progresshead b{font-size:17px}.progresshead span{font-weight:900;color:#19785f}
.progressrail{height:10px;background:#e9eef4;border-radius:20px;overflow:hidden;margin-top:12px}.progressfill{height:100%;width:0;background:linear-gradient(90deg,#174d87,#1a8667);transition:.3s}
.quiz-number{font-size:11px;font-weight:900;letter-spacing:1px;color:#19785f}.score-note{font-size:13px;color:#6b7b8e;margin-top:8px}

/* V3.1 identificação do aluno + painel local */
.studentbar{max-width:1100px;margin:0 auto 18px;padding:16px 18px;border-radius:16px;background:#102f53;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:15px}
.studentbar small{display:block;color:#bcd0e5}.studentbar b{font-size:17px}.studentbar button{border:1px solid #ffffff55;background:#ffffff12;color:#fff;padding:9px 12px;border-radius:9px;cursor:pointer;font-weight:800}
.student-modal{position:fixed;inset:0;background:#0b2039dd;display:none;align-items:center;justify-content:center;padding:20px;z-index:9999}
.student-modal.open{display:flex}.student-card{width:min(460px,100%);background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 80px #0004}
.student-card h2{margin:0 0 8px}.student-card p{color:#66768a}.student-card label{display:block;font-weight:800;margin:14px 0 6px}.student-card input,.student-card select{width:100%;box-sizing:border-box;padding:12px;border:1px solid #cfd9e5;border-radius:10px;font:inherit}
.student-card .save{width:100%;margin-top:18px;padding:13px;border:0;border-radius:10px;background:#174d87;color:#fff;font-weight:900;cursor:pointer}
.summary-grid{max-width:1100px;margin:20px auto;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.summary-card{background:#fff;border:1px solid #e1e8f0;border-radius:15px;padding:18px}.summary-card small{color:#718095}.summary-card strong{display:block;font-size:25px;margin-top:6px;color:#173f6b}
@media(max-width:700px){.studentbar{align-items:flex-start;flex-direction:column}.summary-grid{grid-template-columns:repeat(2,1fr)}}

/* V3.1.1 correção da identificação */
.student-locked{overflow:hidden}
.studentbar-actions{display:flex;gap:8px;flex-wrap:wrap}
.studentbar .danger{background:#ffffff08;border-color:#ffffff33}
.student-card .helper{font-size:13px;padding:10px 12px;background:#f2f6fb;border-radius:10px;color:#50657b}
.student-card input:focus,.student-card select:focus{outline:3px solid #1b65a522;border-color:#1b65a5}
.student-error{display:none;margin-top:10px;padding:10px;border-radius:9px;background:#fff0f0;color:#9a3434;font-weight:700;font-size:13px}
@media(max-width:650px){.studentbar-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.studentbar-actions button{width:100%}}

/* V3.2 experiência do aluno */
.lessonnav{max-width:1100px;margin:18px auto 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.lessonnav a{padding:10px 13px;border:1px solid #d9e3ed;border-radius:10px;background:#fff;color:#174d87;font-weight:800}
.achievement{display:none;max-width:1100px;margin:18px auto;padding:18px;border-radius:16px;background:linear-gradient(135deg,#fff8df,#fff);border:1px solid #eadca3}
.achievement.show{display:block}.achievement strong{font-size:19px}
.reset-progress{border:0;background:none;color:#7a5260;text-decoration:underline;cursor:pointer;font-weight:700}
.resultbox{max-width:1100px;margin:18px auto;background:#102f53;color:#fff;border-radius:18px;padding:22px;display:none}
.resultbox.show{display:block}.resultbox h3{margin:0 0 8px}.resultbox p{color:#c9d7e6}.resultbox a{display:inline-block;margin-top:8px;padding:10px 13px;background:#fff;color:#174d87;border-radius:9px;font-weight:900}

/* V3.3 entrada do aluno pela home */
.home-student-modal{position:fixed;inset:0;background:#0b2039e8;display:none;align-items:center;justify-content:center;padding:20px;z-index:10000}
.home-student-modal.open{display:flex}
.home-student-card{width:min(470px,100%);background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 80px #0005}
.home-student-card h2{margin:8px 0}.home-student-card p{color:#66768a;line-height:1.55}
.home-student-card label{display:block;font-weight:850;margin:14px 0 6px}
.home-student-card input,.home-student-card select{width:100%;box-sizing:border-box;padding:12px;border:1px solid #cfd9e5;border-radius:10px;font:inherit}
.home-student-card .enter{width:100%;margin-top:18px;padding:13px;border:0;border-radius:10px;background:#174d87;color:#fff;font-weight:900;cursor:pointer}
.home-student-card .cancel{width:100%;margin-top:8px;padding:10px;border:0;background:transparent;color:#617287;cursor:pointer}

/* V3.5 avaliação objetiva */
.assessment{max-width:900px;margin:28px auto;background:#fff;border:1px solid #dfe7f0;border-radius:22px;padding:28px}
.assessment-head{border-bottom:1px solid #e8edf3;padding-bottom:18px;margin-bottom:22px}
.assessment-head h2{margin:5px 0}.assessment-head p{color:#65758a}
.qblock{padding:20px 0;border-bottom:1px solid #e9eef3}.qblock:last-of-type{border-bottom:0}
.qblock h3{font-size:18px;margin:0 0 14px}.options{display:grid;gap:9px}
.option{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid #dbe4ed;border-radius:11px;cursor:pointer}
.option:hover{background:#f6f9fc}.option input{margin-top:3px}
.assessment-submit{width:100%;margin-top:22px;padding:14px;border:0;border-radius:11px;background:#174d87;color:#fff;font-weight:900;font-size:16px;cursor:pointer}
.assessment-result{display:none;margin-top:22px;padding:22px;border-radius:16px;background:#102f53;color:#fff}
.assessment-result.show{display:block}.assessment-result strong{font-size:34px}.assessment-result p{color:#d3dfeb}
.result-good{color:#78e0b5}.result-mid{color:#ffe08a}.result-low{color:#ffaaaa}

/* V3.6 nota, tentativas e histórico */
.grade-line{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.grade-chip{background:#ffffff12;border:1px solid #ffffff25;border-radius:12px;padding:12px}
.grade-chip small{display:block;color:#bcd0e5;margin-bottom:4px}.grade-chip b{font-size:21px}
.best-result{margin-top:14px;padding:12px;border-radius:10px;background:#ffffff0d;color:#d8e7f5}
.history-box{margin-top:22px;padding-top:18px;border-top:1px solid #e7edf3}.history-box h3{margin:0 0 12px}
.history-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;padding:10px 0;border-bottom:1px solid #edf1f5;color:#52657a}
.history-row.header{font-size:12px;font-weight:900;color:#174d87}
@media(max-width:600px){.grade-line{grid-template-columns:1fr}.history-row{font-size:13px}}