:root{
  --black:#111111;
  --black-2:#1d1d1d;
  --yellow:#f4c400;
  --yellow-2:#ffe36d;
  --white:#ffffff;
  --off:#f6f6f4;
  --line:#deded9;
  --muted:#6f6f68;
  --danger:#b42318;
  --success:#157f3b;
  --radius:18px;
  --shadow:0 12px 28px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--off);color:var(--black)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:.86rem}
strong{font-weight:800}

.login-shell{min-height:100vh;display:grid;grid-template-columns:1fr;background:linear-gradient(150deg,#101010 0 44%,#f4c400 44% 100%);padding:22px}
.login-card{width:min(100%,980px);margin:auto;background:#fff;border-radius:28px;overflow:hidden;box-shadow:0 26px 80px rgba(0,0,0,.28);display:grid;grid-template-columns:1fr}
.login-brand{padding:34px;background:#111;color:#fff;position:relative;min-height:260px}
.login-brand:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:var(--yellow);right:-50px;bottom:-60px;opacity:.95}
.brandmark{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em;font-size:1.25rem}
.brandmark .symbol{width:38px;height:38px;border-radius:11px;background:var(--yellow);color:#111;display:grid;place-items:center;font-weight:900}
.login-brand h1{font-size:2.55rem;line-height:1.03;max-width:520px;margin:42px 0 14px;letter-spacing:-.055em}
.login-brand p{max-width:560px;color:#d7d7d7;line-height:1.6}
.login-form{padding:30px}
.login-form h2{margin:0 0 8px;font-size:1.6rem}
.field{display:grid;gap:7px;margin:16px 0}
.field label{font-size:.9rem;font-weight:700}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#111;box-shadow:0 0 0 3px rgba(244,196,0,.22)}
.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;background:#111;color:#fff}
.btn:hover{filter:brightness(1.08)}
.btn.yellow{background:var(--yellow);color:#111}
.btn.ghost{background:#fff;color:#111;border:1px solid var(--line)}
.btn.danger{background:#fff;color:var(--danger);border:1px solid #efc5c1}
.btn.full{width:100%}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.demo-login{padding:10px;border:1px dashed #bbb;border-radius:10px;background:#fafafa;text-align:left}
.demo-login b{display:block}

.app-shell{min-height:100vh;display:flex}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:264px;background:#111;color:#fff;padding:18px;z-index:50;transform:translateX(-100%);transition:.25s}
.sidebar.open{transform:none}
.sidebar .brandmark{margin-bottom:28px}
.nav{display:grid;gap:6px}
.nav button{border:0;background:transparent;color:#d5d5d5;text-align:left;padding:12px 13px;border-radius:11px;font-weight:650}
.nav button.active,.nav button:hover{background:#252525;color:#fff}
.nav button.active{box-shadow:inset 4px 0 0 var(--yellow)}
.sidebar-footer{position:absolute;left:18px;right:18px;bottom:18px;padding-top:16px;border-top:1px solid #303030}
.user-mini{display:flex;gap:10px;align-items:center}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--yellow);color:#111;display:grid;place-items:center;font-weight:900}
.main{width:100%;min-width:0}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:30}
.icon-btn{border:0;background:#f1f1ef;border-radius:10px;width:42px;height:42px;font-size:1.15rem}
.content{padding:20px;max-width:1400px;margin:0 auto}
.page-head{display:flex;flex-direction:column;gap:10px;margin:4px 0 22px}
.page-head h1{font-size:1.9rem;letter-spacing:-.04em;margin:0}
.page-head p{margin:0;color:var(--muted);line-height:1.5}
.grid{display:grid;gap:16px}
.grid.cards{grid-template-columns:1fr}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 4px 18px rgba(0,0,0,.035)}
.card h3{margin-top:0}
.hero{background:#111;color:#fff;border:0;overflow:hidden;position:relative;padding:24px}
.hero:after{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-60px;top:-70px;background:var(--yellow)}
.hero > *{position:relative;z-index:2}
.hero h1{margin:0;font-size:2rem;max-width:680px;letter-spacing:-.05em}
.hero p{color:#ccc;max-width:680px;line-height:1.6}
.hero .btn{margin-top:8px}
.stat{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.stat .value{font-size:1.75rem;font-weight:850;letter-spacing:-.04em}
.stat .label{color:var(--muted);font-size:.87rem;margin-top:5px}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 9px;background:#f1f1ef;font-size:.78rem;font-weight:750}
.badge.yellow{background:#fff0a5}
.badge.dark{background:#222;color:#fff}
.notice{border-left:5px solid var(--yellow)}
.notice .notice-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.list{display:grid;gap:10px}
.list-item{padding:14px;border:1px solid var(--line);border-radius:13px;background:#fff}
.list-item h4{margin:0 0 6px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.between{justify-content:space-between}
.filters{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:16px}
.search{position:relative}
.search input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px}
select.filter{padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}
.content-card .thumb{aspect-ratio:16/8;border-radius:13px;background:linear-gradient(135deg,#1a1a1a,#353535);display:grid;place-items:center;color:#fff;margin-bottom:14px;font-size:2rem}
.content-card .thumb.pdf{background:linear-gradient(135deg,#f4c400,#ffe36d);color:#111}
.content-card .meta{display:flex;gap:7px;flex-wrap:wrap}
.content-card .actions{margin-top:15px;display:flex;gap:8px;flex-wrap:wrap}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:4px;margin-bottom:16px}
.tab{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;font-weight:700}
.tab.active{background:#111;color:#fff;border-color:#111}
.sim-choice{display:grid;gap:14px}
.sim-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}
.sim-card h3{margin:0 0 8px}
.levels{display:grid;gap:10px;margin-top:14px}
.level{border:1px solid var(--line);border-radius:12px;padding:14px}
.level strong{display:block}
.level .btn{margin-top:10px;width:100%}
.quiz-wrap{max-width:900px;margin:auto}
.quiz-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}
.timer{font-weight:900;background:#111;color:#fff;padding:10px 13px;border-radius:10px}
.progress{height:9px;background:#e9e9e5;border-radius:999px;overflow:hidden}
.progress span{display:block;height:100%;background:var(--yellow);width:0}
.question{margin-top:14px}
.question h2{font-size:1.2rem;line-height:1.5}
.options{display:grid;gap:10px;margin-top:18px}
.option{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);padding:13px;border-radius:12px;background:#fff}
.option:has(input:checked){border-color:#111;box-shadow:0 0 0 2px rgba(244,196,0,.28)}
.quiz-actions{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.report-row{border:1px solid var(--line);border-radius:14px;padding:15px;margin-top:12px}
.report-row.correct{border-left:5px solid var(--success)}
.report-row.wrong{border-left:5px solid var(--danger)}
.report-row.timeout{border-left:5px solid #7a5b00}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:700px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:.9rem}
th{background:#f7f7f5}
td .btn{padding:8px 10px;font-size:.82rem}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.58);z-index:100;display:grid;place-items:center;padding:18px}
.modal{width:min(100%,720px);max-height:90vh;overflow:auto;background:#fff;border-radius:20px;padding:20px}
.modal h2{margin-top:0}
.form-grid{display:grid;grid-template-columns:1fr;gap:0 14px}
textarea{min-height:110px;resize:vertical}
.toast{position:fixed;right:16px;bottom:16px;background:#111;color:#fff;padding:12px 15px;border-radius:12px;z-index:200;box-shadow:var(--shadow)}
.achievement{display:flex;gap:12px;align-items:center}
.achievement .medal{width:46px;height:46px;border-radius:50%;background:var(--yellow);display:grid;place-items:center;font-size:1.3rem}
.profile-course{font-size:.82rem;background:#fff0a5;padding:5px 8px;border-radius:999px;font-weight:800}
.chart-bars{display:grid;gap:10px}
.bar-line{display:grid;grid-template-columns:110px 1fr 48px;gap:10px;align-items:center;font-size:.84rem}
.bar-track{height:9px;border-radius:999px;background:#e8e8e3;overflow:hidden}
.bar-fill{height:100%;background:#111}
@media (min-width:720px){
  .login-card{grid-template-columns:1.15fr .85fr}
  .login-brand{min-height:620px;padding:48px}
  .login-form{padding:48px;align-self:center}
  .grid.cards{grid-template-columns:repeat(2,1fr)}
  .grid.stats{grid-template-columns:repeat(4,1fr)}
  .filters{grid-template-columns:2fr 1fr 1fr}
  .levels{grid-template-columns:repeat(3,1fr)}
  .form-grid.two{grid-template-columns:1fr 1fr}
}
@media (min-width:980px){
  .sidebar{transform:none}
  .main{margin-left:264px;width:calc(100% - 264px)}
  .menu-toggle{display:none}
  .content{padding:28px 32px}
  .grid.cards.three{grid-template-columns:repeat(3,1fr)}
  .page-head{flex-direction:row;justify-content:space-between;align-items:end}
  .sim-choice{grid-template-columns:1fr 1fr}
}

/* Dashboard mobile: mantém a home focada em ações e conteúdo prioritário. */
.desktop-dashboard-stats{display:none}
.mobile-progress-strip{width:100%;margin-top:12px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:center;text-align:left;color:#111}
.mobile-progress-strip span{font-size:.82rem;color:var(--muted)}
.mobile-progress-strip strong{display:block;font-size:1.05rem;color:#111}
.mobile-progress-arrow{font-size:1.7rem!important;color:#111!important;line-height:1}
.home-priority{margin-top:12px!important}
.progress-stats{grid-template-columns:repeat(2,1fr)}
.progress-stats .card{padding:14px}
.progress-stats .value{font-size:1.35rem}

@media (min-width:720px){
  .desktop-dashboard-stats{display:grid}
  .mobile-progress-strip{display:none}
  .progress-stats{grid-template-columns:repeat(4,1fr)}
}