/* ===================================================================
   PORTAL DO ALUNO · PROF. LUANA
   Design system "Tinta & Pagina" — violeta editorial
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#1E1633; --ink-soft:#4A4163; --ink-faint:#8B83A3;
  --violet:#4C2A86; --violet-700:#5E3699; --violet-500:#7C4DD1; --violet-300:#A07BE0;
  --lav:#EDE7F8; --lav-soft:#F5F1FC; --pearl:#FBFAFE; --white:#FFFFFF;
  --mint:#2EA56B; --mint-soft:#E6F6EC; --amber:#C98A1E; --amber-soft:#FBF1DD;
  --rose:#D2485F; --rose-soft:#FBE9EC;
  --line:#E7E1F2; --line-strong:#D7CEEA;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px;
  --shadow-sm:0 1px 2px rgba(30,22,51,.06), 0 1px 3px rgba(30,22,51,.05);
  --shadow-md:0 4px 16px rgba(76,42,134,.08), 0 1px 4px rgba(30,22,51,.05);
  --shadow-lg:0 18px 48px rgba(76,42,134,.16);
  --shadow-violet:0 12px 30px rgba(124,77,209,.28);
  --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--pearl);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--violet-500);text-decoration:none;transition:color .15s}
a:hover{color:var(--violet)}
img,svg{max-width:100%}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.15;margin:0;letter-spacing:-.01em;font-weight:600}
p{margin:0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.muted{color:var(--ink-soft)}
.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-16{margin-bottom:16px}

.topbar{position:sticky;top:0;z-index:50;background:rgba(251,250,254,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto;display:block}
.brand-icon{display:none}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--ink-soft);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--violet)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:15px;padding:12px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .2s,background .2s,color .2s;white-space:nowrap;line-height:1}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--violet-500);color:#fff;box-shadow:var(--shadow-violet)}
.btn-primary:hover{background:var(--violet);color:#fff;box-shadow:0 14px 34px rgba(124,77,209,.36)}
.btn-outline{background:transparent;color:var(--violet);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--violet-500);background:var(--lav-soft);color:var(--violet)}
.btn-light{background:var(--lav);color:var(--violet);border-color:transparent}
.btn-light:hover{background:var(--lav-soft);color:var(--violet)}
.btn-small{padding:8px 16px;font-size:13.5px}

.hero{position:relative;overflow:hidden;background:radial-gradient(120% 120% at 85% -10%,rgba(124,77,209,.18),transparent 55%),radial-gradient(90% 90% at -5% 110%,rgba(160,123,224,.16),transparent 50%),var(--lav-soft);border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:88px 0 96px}
.hero h1{font-size:clamp(38px,5.2vw,62px);font-weight:600;letter-spacing:-.025em}
.hero h1 span{background:linear-gradient(120deg,var(--violet-500),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic}
.hero p{font-size:19px;color:var(--ink-soft);margin-top:22px;max-width:30em}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center}
.visual-card{position:relative;width:100%;max-width:420px;aspect-ratio:4/3.4;background:var(--white);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:22px;overflow:hidden;transform:rotate(-1.5deg)}
.visual-card::before{content:"";position:absolute;inset:0 0 auto 0;height:56px;background:linear-gradient(120deg,var(--violet),var(--violet-500))}
.visual-screen{position:relative;z-index:1;padding-top:46px}
.floating-icons{display:flex;gap:10px;margin-bottom:18px}
.floating-icons>div{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:20px;color:#fff;box-shadow:var(--shadow-md)}
.floating-icons>div:nth-child(1){background:#2B7BCE}
.floating-icons>div:nth-child(2){background:#1F9D57}
.floating-icons>div:nth-child(3){background:#C0392B}
.visual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.visual-grid span{height:38px;border-radius:10px;background:var(--lav);border:1px solid var(--line)}
.visual-grid span:nth-child(2n){background:var(--lav-soft)}

.section-title{text-align:center;max-width:640px;margin:0 auto 48px}
.section-title h2{font-size:clamp(28px,3.4vw,40px);margin-top:10px}
.eyebrow{display:inline-block;font-family:var(--sans);font-weight:600;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--violet-500)}

.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s,border-color .18s}
.course-card{position:relative;overflow:hidden}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.course-card.inactive{opacity:.62}
.course-card-inner{display:flex;gap:18px;padding:24px}
.icon-tile{flex:none;width:60px;height:60px;border-radius:18px;background:linear-gradient(135deg,var(--violet-500),var(--violet));color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:26px;box-shadow:var(--shadow-violet)}
.course-copy h3{font-size:21px;margin-bottom:6px}
.course-copy p{color:var(--ink-soft);font-size:15px;margin-bottom:16px}
.ribbon{position:absolute;top:16px;right:16px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;padding:5px 12px;border-radius:999px;background:var(--mint-soft);color:#1d7a3e}
.course-card.inactive .ribbon{background:var(--lav);color:var(--ink-faint)}
.empty-state{padding:40px;text-align:center;color:var(--ink-soft);border-style:dashed}

.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.panel-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line)}
.panel-header h2{font-size:22px}.panel-header h3{font-size:18px}
.panel-body{padding:24px}
.dashboard-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.sidebar{padding:14px;position:sticky;top:96px;display:flex;flex-direction:column;gap:4px}
.sidebar a{display:flex;align-items:center;gap:10px;padding:11px 16px;border-radius:var(--r-sm);color:var(--ink-soft);font-weight:500;font-size:14.5px;transition:background .15s,color .15s}
.sidebar a:hover{background:var(--lav-soft);color:var(--violet)}
.sidebar a.active{background:var(--violet-500);color:#fff;box-shadow:var(--shadow-violet)}
.course-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px;margin-bottom:24px;background:radial-gradient(120% 160% at 100% 0%,rgba(124,77,209,.14),transparent 60%),var(--white)}
.course-hero h1{font-size:clamp(26px,3.4vw,36px);margin:8px 0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:24px}
.stat-card{padding:22px;display:flex;flex-direction:column;gap:4px}
.stat-card strong{font-family:var(--serif);font-size:34px;font-weight:600;color:var(--violet);line-height:1}
.stat-card span{font-size:13.5px;color:var(--ink-soft)}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14.5px}
thead th{text-align:left;font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);padding:12px 14px;border-bottom:1px solid var(--line)}
tbody td{padding:14px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--lav-soft)}
td .btn{margin-right:6px}

.form-group{margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-weight:600;font-size:14px;color:var(--ink);margin-bottom:7px}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=date],select,textarea{width:100%;font-family:var(--sans);font-size:15px;color:var(--ink);padding:12px 14px;border:1.5px solid var(--line-strong);border-radius:var(--r-sm);background:var(--white);transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--violet-500);box-shadow:0 0 0 4px rgba(124,77,209,.14)}
textarea{min-height:110px;resize:vertical}
input[type=file]{font-size:14px;color:var(--ink-soft)}

.auth-wrapper{min-height:calc(100vh - 74px);display:grid;place-items:center;padding:48px 0;background:radial-gradient(80% 80% at 50% -20%,rgba(124,77,209,.16),transparent 60%),var(--lav-soft)}
.auth-card{max-width:440px;width:100%;padding:40px;border-radius:var(--r-xl);box-shadow:var(--shadow-lg)}
.auth-card h1{font-size:30px;margin:8px 0 6px}
.auth-card>p{color:var(--ink-soft);margin-bottom:22px}

.alert{padding:14px 18px;border-radius:var(--r-sm);font-size:14.5px;font-weight:500;margin-bottom:18px}
.alert-success{background:var(--mint-soft);color:#1d7a3e;border:1px solid #b7e4c7}
.alert-error{background:var(--rose-soft);color:#a32d3e;border:1px solid #f2c2cb}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px}
.badge-success{background:var(--mint-soft);color:#1d7a3e}
.badge-warning{background:var(--amber-soft);color:#8a6d00}
.badge-muted{background:var(--lav);color:var(--ink-faint)}

.content-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.section-buttons{display:flex;gap:12px;flex-wrap:wrap}
.section-btn{padding:14px 22px;border-radius:var(--r-md);font-weight:600;font-size:15px;background:var(--white);border:1.5px solid var(--line-strong);color:var(--ink);transition:transform .12s,box-shadow .18s,border-color .18s}
.section-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.section-btn.is-active{background:var(--violet-500);color:#fff;border-color:transparent;box-shadow:var(--shadow-violet)}
.section-btn.btn-word.is-active{background:#2B7BCE}
.section-btn.btn-excel.is-active{background:#1F9D57}
.section-btn.btn-power.is-active{background:#C0392B}
.section-btn.btn-aula.is-active{background:var(--violet)}
.content-item{padding:22px;display:flex;flex-direction:column;gap:12px}
.content-item h3{font-size:19px}
.content-meta{display:flex;gap:18px;font-size:13px;color:var(--ink-faint)}
.video-embed{position:relative;padding-bottom:56.25%;height:0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.course-checklist{display:grid;gap:6px;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;background:var(--lav-soft)}
.check-item{display:flex;align-items:flex-start;gap:10px;margin:4px 0;cursor:pointer;font-weight:500;color:var(--ink)}
.check-item input{margin-top:3px;width:auto}
.pw-meter{height:6px;background:var(--lav);border-radius:6px;margin-top:9px;overflow:hidden}
.pw-meter>span{display:block;height:100%;width:0;border-radius:6px;transition:width .25s,background .25s}
.pw-meter.weak>span{width:33%;background:var(--rose)}
.pw-meter.medium>span{width:66%;background:var(--amber)}
.pw-meter.strong>span{width:100%;background:var(--mint)}

.footer{background:var(--ink);color:#cfc7e6;padding:40px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer img{height:34px}
.footer p{color:#9d94bd;font-size:14px}

@media (max-width:920px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:60px 0 64px}
  .hero-visual{order:-1}
  .visual-card{max-width:340px;transform:none}
  .dashboard-layout{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;overflow-x:auto}
  .sidebar a{flex:none}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .nav-links{gap:14px}
  .nav-links a:not(.btn){display:none}
  .form-grid{grid-template-columns:1fr}
  .course-hero{flex-direction:column;align-items:flex-start;text-align:left}
  .section{padding:44px 0}
  .auth-card{padding:28px}
}
:focus-visible{outline:3px solid rgba(124,77,209,.4);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* ===== Capa repaginada (fotos + enxuta) ===== */
.hero-copy{max-width:34rem}
.hero-photo{position:relative}
.hero-photo img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.hero-photo::after{
  content:"";position:absolute;inset:auto auto -18px -18px;width:120px;height:120px;
  border-radius:24px;background:linear-gradient(135deg,var(--violet-500),var(--violet));
  z-index:-1;opacity:.5;
}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature{padding:8px 4px}
.feature-ic{
  display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;
  border-radius:16px;background:var(--lav);color:var(--violet-500);margin-bottom:16px;
}
.feature h3{font-size:20px;margin-bottom:8px}
.feature p{color:var(--ink-soft);font-size:15.5px}

.section-courses{background:var(--lav-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px}
.course-tile{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column;
}
.course-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.course-tile.inactive{opacity:.7}
.course-tile-photo{position:relative;aspect-ratio:16/9;overflow:hidden}
.course-tile-photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.course-tile:hover .course-tile-photo img{transform:scale(1.05)}
.course-tag{
  position:absolute;top:14px;left:14px;font-size:11.5px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--violet);backdrop-filter:blur(4px);
}
.course-tile.inactive .course-tag{color:var(--ink-faint)}
.course-tile-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.course-tile-body h3{font-size:21px}
.course-tile-body p{color:var(--ink-soft);font-size:15px;flex:1}
.course-tile-body .btn{align-self:flex-start;margin-top:6px}

.cta-band{
  background:linear-gradient(120deg,var(--violet),var(--violet-500));
  color:#fff;padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.cta-band p{color:rgba(255,255,255,.85);margin-top:6px;font-size:17px}

@media (max-width:920px){
  .features{grid-template-columns:1fr;gap:20px}
  .hero-photo::after{display:none}
}

/* Miniatura de capa na lista de cursos + preview no form */
.course-thumb{width:88px;height:50px;object-fit:cover;border-radius:8px;border:1px solid var(--line);display:block}
.cover-preview{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.cover-preview img{width:200px;max-width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--line)}

/* ===== Motor de provas ===== */
/* Banco de questoes - alternativas */
.opt-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.opt-row input[type=text]{flex:1}
.opt-row input[type=checkbox]{width:20px;height:20px;flex:none}
.opt-del{flex:none;padding:6px 12px}
.exam-config{margin:18px 0;border:1px solid var(--line);border-radius:var(--r-md);padding:0}
.exam-config summary{cursor:pointer;padding:14px 18px;font-weight:600;color:var(--violet)}
.exam-config[open] summary{border-bottom:1px solid var(--line)}
.config-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:6px;padding:18px}
.exam-config .form-grid{padding:0 18px 18px}

/* Lista de provas do aluno */
.exam-list{display:grid;gap:14px}
.exam-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px}
.exam-item-body h3{font-size:19px;margin-bottom:6px}
.exam-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-faint)}
.exam-meta span{display:inline-flex;align-items:center;gap:5px}
.exam-item-action{flex:none}

/* Realizacao da prova */
.exam-bar{position:sticky;top:0;z-index:40;background:var(--violet);color:#fff;box-shadow:var(--shadow-md)}
.exam-bar-inner{display:flex;align-items:center;justify-content:space-between;height:58px}
.exam-bar strong{color:#fff;font-family:var(--serif);font-size:17px}
.exam-bar-right{display:flex;align-items:center;gap:18px}
.save-state{font-size:13px;opacity:.85}
.save-state.saving{color:#ffe69c}.save-state.saved{color:#bff0d0}.save-state.error{color:#ffc4cc}
.exam-timer{font-family:var(--mono,monospace);font-weight:700;font-size:18px;background:rgba(255,255,255,.16);padding:6px 14px;border-radius:999px}
.exam-timer.urgent{background:var(--rose);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.6}}
.occ-bar{display:none;background:var(--amber-soft);color:#8a6d00;text-align:center;padding:12px;font-weight:600;border-bottom:1px solid #f0d98a}

.exam-q{padding:24px;margin-bottom:18px}
.exam-q-head{display:flex;gap:14px;margin-bottom:16px}
.exam-q-num{flex:none;width:30px;height:30px;border-radius:50%;background:var(--violet-500);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.exam-q-statement{font-size:16.5px;color:var(--ink);padding-top:3px}
.exam-opt{display:flex;align-items:center;gap:12px;padding:13px 16px;border:1.5px solid var(--line-strong);border-radius:var(--r-md);margin-bottom:10px;cursor:pointer;transition:border-color .15s,background .15s}
.exam-opt:hover{border-color:var(--violet-300);background:var(--lav-soft)}
.exam-opt input{width:20px;height:20px;flex:none}
.exam-opt input:checked~span{font-weight:600;color:var(--violet)}
.exam-text{width:100%}
.exam-submit{text-align:center;padding:28px 0}
.exam-submit .btn{padding:14px 40px;font-size:16px}

/* Resultado e revisao */
.result-summary{text-align:center;padding:36px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}
.result-badge{display:inline-block;font-weight:700;font-size:15px;padding:8px 22px;border-radius:999px;margin-bottom:14px}
.result-ok{background:var(--mint-soft);color:#1d7a3e}.result-no{background:var(--rose-soft);color:#a32d3e}.result-neutral{background:var(--lav);color:var(--violet)}
.result-score{font-family:var(--serif);font-size:52px;font-weight:600;color:var(--violet)}
.result-score span{font-size:24px;color:var(--ink-faint)}
.review-q{padding:18px 0;border-bottom:1px solid var(--line)}
.review-q:last-child{border-bottom:none}
.review-q-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.review-q-head .badge{margin-left:auto}
.review-opts{display:grid;gap:6px;margin-left:42px}
.review-opt{padding:9px 14px;border-radius:8px;background:var(--lav-soft);font-size:14.5px}
.review-opt.right{background:var(--mint-soft);color:#1d7a3e;font-weight:600}
.review-opt.wrong{background:var(--rose-soft);color:#a32d3e}
.review-text{background:var(--lav-soft);padding:14px;border-radius:var(--r-md);margin:8px 0 8px 42px}
.review-explain{margin:10px 0 0 42px;font-size:14px;color:var(--ink-soft);background:var(--amber-soft);padding:12px 14px;border-radius:var(--r-md)}

/* Correcao */
.correcao-item{padding:22px;margin-bottom:18px}
.correcao-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.correcao-enunciado{font-weight:600;margin-bottom:8px}
.correcao-resposta{background:var(--lav-soft);padding:14px;border-radius:var(--r-md);margin-bottom:12px}
.correcao-form label{margin-top:10px}
.correcao-form textarea{min-height:70px}

@media print{
  .topbar,.footer,.sidebar,.content-actions{display:none!important}
  .dashboard-layout{grid-template-columns:1fr}
  body{background:#fff}
}
@media (max-width:560px){
  .exam-item{flex-direction:column;align-items:stretch}
  .config-grid{grid-template-columns:1fr}
}
.stat-card.stat-alert{background:var(--amber-soft);border-color:#f0d98a}
.stat-card.stat-alert strong{color:#8a6d00}

/* Grafico de barras nativo (sem dependencia externa) */
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:210px;padding:10px 0}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bar-val{font-weight:700;color:var(--violet);margin-bottom:6px;font-size:14px}
.bar{width:100%;max-width:80px;background:linear-gradient(180deg,var(--violet-500),var(--violet));border-radius:8px 8px 0 0;min-height:3px;transition:height .4s}
.bar-label{margin-top:8px;font-size:12.5px;color:var(--ink-faint);text-align:center}
.result-sent-icon{width:72px;height:72px;border-radius:50%;background:var(--mint-soft);color:#1d7a3e;display:grid;place-items:center;font-size:38px;margin:0 auto 18px;font-weight:700}
/* Navegacao "uma questao por pagina" */
.exam-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:820px;margin:0 auto;padding:8px 0}
.exam-nav-pos{font-weight:600;color:var(--violet);font-size:15px}
.exam-nav .btn[disabled]{opacity:.4;pointer-events:none}
/* Overlay de tela cheia obrigatoria */
.fs-overlay{position:fixed;inset:0;z-index:200;background:rgba(30,22,51,.92);display:flex;align-items:center;justify-content:center;padding:20px}
.fs-overlay-box{background:var(--white);border-radius:var(--r-lg);padding:40px;max-width:460px;text-align:center;box-shadow:var(--shadow-lg)}
.fs-overlay-box h2{margin-bottom:12px}
.fs-overlay-box p{color:var(--ink-soft);margin-bottom:24px}
/* Seletor de turmas agrupado por curso */
.turma-picker{display:flex;flex-direction:column;gap:12px}
.turma-group{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.turma-group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 16px;background:var(--lav-soft);border-bottom:1px solid var(--line)}
.turma-group-head strong{color:var(--violet);font-size:15px}
.turma-selectall{display:flex;align-items:center;gap:7px;font-size:13.5px;cursor:pointer;color:var(--ink-soft);margin:0}
.turma-selectall input{width:17px;height:17px}
.turma-group-body{padding:12px 16px;display:flex;flex-direction:column;gap:8px}

/* ============================================================
   PAINEL ADMIN — visual repaginado
   ============================================================ */
.admin-side{
  position:sticky;top:88px;align-self:start;
  background:linear-gradient(180deg,#241841,#1b1232);
  border-radius:18px;padding:18px 14px;
  display:flex;flex-direction:column;gap:6px;
  box-shadow:0 12px 30px rgba(40,22,80,.18);
}
.admin-side-brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-family:var(--serif);font-size:18px;font-weight:600;
  padding:6px 12px 14px;
}
.admin-side-dot{width:9px;height:9px;border-radius:50%;background:var(--violet-300);box-shadow:0 0 0 4px rgba(160,123,224,.25)}
.admin-side-group{display:flex;flex-direction:column;gap:3px;padding:8px 0;border-top:1px solid rgba(255,255,255,.08)}
.admin-side-group:first-of-type{border-top:none}
.admin-side-title{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.4);font-weight:600;padding:4px 12px 6px;
}
.admin-side a{
  display:flex;align-items:center;gap:11px;
  padding:10px 13px;border-radius:11px;
  color:rgba(255,255,255,.78);font-weight:500;font-size:14.5px;
  transition:background .15s,color .15s;
}
.admin-side a svg{flex:none;opacity:.85}
.admin-side a:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-side a.active{background:var(--violet-500);color:#fff;box-shadow:0 6px 16px rgba(124,77,209,.45)}
.admin-side a.active svg{opacity:1}
.admin-side-foot a{color:rgba(255,255,255,.55);font-size:13.5px}

/* o layout usa a mesma grid; substitui largura */
.dashboard-layout{grid-template-columns:248px 1fr}

/* cabecalho de pagina admin mais rico */
.panel-header h2,.panel-header h3{display:flex;align-items:center;gap:10px}

/* stat-cards do dashboard com um toque a mais */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.stat-card{position:relative;overflow:hidden;padding:22px 20px}
.stat-card strong{font-family:var(--serif);font-size:30px;color:var(--violet);display:block;line-height:1}
.stat-card span{font-size:13px;color:var(--ink-faint);margin-top:6px;display:block}
.stat-card::after{content:"";position:absolute;right:-20px;top:-20px;width:70px;height:70px;border-radius:50%;background:var(--lav-soft)}

@media (max-width:920px){
  .admin-side{position:static;top:auto}
  .dashboard-layout{grid-template-columns:1fr}
  .admin-side-group{flex-direction:row;flex-wrap:wrap;align-items:center}
  .admin-side-title{width:100%}
}