/* ==========================================================
   Aprova AI | Estilos
   ========================================================== */
:root{
  --azul:#1D4ED8; --azul-esc:#1E3A8A; --azul-cl:#3B82F6;
  --azul-suave:#EFF4FF; --branco:#FFFFFF; --fundo:#F6F8FC;
  --preto:#0B0F19; --chumbo:#3A4152; --cinza:#6B7280;
  --borda:#E4E9F2; --ok:#059669; --alerta:#F59E0B; --erro:#DC2626;
  --r:14px; --sh:0 4px 24px rgba(15,23,42,.06);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;background:var(--fundo);color:var(--preto);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em}
.muted{color:var(--cinza);font-size:13.5px}
.mt{margin-top:14px}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:264px;flex-shrink:0;background:var(--branco);border-right:1px solid var(--borda);
  padding:22px 16px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;
  height:100vh;overflow-y:auto;z-index:60;transition:transform .25s ease}
.main{flex:1;margin-left:264px;display:flex;flex-direction:column;min-width:0}
.content{padding:22px 26px 40px;display:flex;flex-direction:column;gap:20px}

/* ---------- Marca ---------- */
.brand{display:flex;align-items:center;justify-content:center;padding:4px 8px 22px}
.brand-logo{width:100%;max-width:170px;height:auto;object-fit:contain;display:block;
  background:none;border-radius:0}

/* ---------- Navegação ---------- */
.nav{display:flex;flex-direction:column;gap:3px;flex:1}
.nav-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--cinza);
  font-weight:600;margin:16px 10px 6px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:var(--chumbo);font-size:14.2px;font-weight:500;transition:.18s}
.nav-item .ico{width:20px;text-align:center;color:var(--azul);font-size:14px}
.nav-item:hover{background:var(--azul-suave);color:var(--azul-esc)}
.nav-item.active{background:var(--azul);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.28)}
.nav-item.active .ico{color:#fff}
.nav-item.danger{color:var(--erro)} .nav-item.danger .ico{color:var(--erro)}

.sidebar-card{margin-top:18px;padding:15px;border-radius:var(--r);
  background:linear-gradient(140deg,var(--azul-esc),var(--azul));color:#fff}
.sidebar-card span{font-size:11.5px;opacity:.85;display:block}
.sidebar-card strong{font-size:22px;display:block;line-height:1.2}
.sidebar-card small{font-size:11.5px;opacity:.85}

/* ---------- Topbar ---------- */
.topbar{background:var(--branco);border-bottom:1px solid var(--borda);padding:16px 26px;
  display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:40}
.topbar-title{flex:1;min-width:0}
.topbar-title h1{font-size:20px}
.topbar-title p{font-size:13px;color:var(--cinza)}
.topbar-user{display:flex;align-items:center;gap:10px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--azul-suave);color:var(--azul-esc);
  display:grid;place-items:center;font-weight:700}
.u-info strong{display:block;font-size:13.5px}
.u-info span{font-size:11.5px;color:var(--cinza)}
.burger{display:none;font-size:21px;color:var(--chumbo)}

/* ---------- Cards / KPIs ---------- */
.card{background:var(--branco);border:1px solid var(--borda);border-radius:var(--r);
  padding:18px 20px;box-shadow:var(--sh)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.card-head h3{font-size:15.5px}
.head-acoes{display:flex;gap:8px;flex-wrap:wrap}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.kpi{background:var(--branco);border:1px solid var(--borda);border-radius:var(--r);padding:18px;
  box-shadow:var(--sh);border-top:3px solid var(--azul)}
.kpi-lbl{font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--cinza);font-weight:600}
.kpi strong{display:block;font-size:27px;color:var(--azul-esc);line-height:1.25}
.kpi strong.sm{font-size:19px}
.kpi small{color:var(--cinza);font-size:12.5px}
.grid-2-cols{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}

/* ---------- Barras ---------- */
.bar-row{display:grid;grid-template-columns:130px 1fr 56px;align-items:center;gap:10px;margin-bottom:11px}
.bar-lbl{font-size:13px;color:var(--chumbo)}
.bar{height:9px;background:var(--azul-suave);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;transition:width .5s}
.bar-val{font-size:12.5px;color:var(--cinza);text-align:right}

/* ---------- Listas / Tarefas ---------- */
.list-item{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--borda)}
.list-item:last-child{border-bottom:none}
.list-item strong{font-size:14px;display:block}
.list-item small{font-size:12px;color:var(--cinza)}
.task{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--borda)}
.task:last-child{border-bottom:none}
.task-txt{flex:1;min-width:0}
.task-txt strong{font-size:13.6px;display:block}
.task-txt small{font-size:11.5px;color:var(--cinza)}
.task.done .task-txt strong{text-decoration:line-through;color:var(--cinza)}
.check{width:22px;height:22px;border:1.6px solid var(--azul);border-radius:6px;color:#fff;
  background:var(--branco);font-size:13px;display:grid;place-items:center;flex-shrink:0}
.task.done .check{background:var(--azul)}
.del{color:var(--cinza);font-size:19px;line-height:1;padding:0 4px}
.del:hover{color:var(--erro)}
.q-mini{color:var(--azul);font-size:15px;padding:0 3px;line-height:1}
.q-mini:hover{color:var(--azul-esc)}
.banner-q{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;
  padding:13px 15px;border-radius:12px;background:var(--azul-suave)}
.banner-q strong{display:block;font-size:13.8px;color:var(--azul-esc)}
.banner-q small{font-size:12px;color:var(--chumbo)}

/* ---------- Semana ---------- */
.week{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.day{background:var(--branco);border:1px solid var(--borda);border-radius:var(--r);padding:14px;box-shadow:var(--sh)}
.day h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--azul-esc);margin-bottom:8px}

/* ---------- Formulários ---------- */
label{display:block;font-size:12.5px;font-weight:600;color:var(--chumbo);margin:0 0 5px}
input,select,textarea{width:100%;padding:11px 13px;border:1.4px solid var(--borda);border-radius:10px;
  font-family:inherit;font-size:14px;color:var(--preto);background:var(--branco);transition:.18s;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--azul);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
input:disabled{background:#F3F5F9;color:var(--cinza)}
textarea{resize:vertical}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.form-grid .full{grid-column:1/-1}
.form-inline{display:flex;flex-wrap:wrap;gap:10px}
.form-inline input[type=text]{flex:2;min-width:200px}
.form-inline select,.form-inline input[type=date],.form-inline input[type=number]{flex:1;min-width:130px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pw{position:relative}
.pw-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:11.5px;font-weight:600;color:var(--azul);text-transform:uppercase}
.mini-form{display:inline}
.mini-form select{padding:6px 9px;font-size:12.5px;border-radius:8px}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;
  border-radius:10px;font-size:14px;font-weight:600;transition:.18s}
.btn-primary{background:var(--azul);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.26)}
.btn-primary:hover{background:var(--azul-esc);transform:translateY(-1px)}
.btn-ghost{background:var(--azul-suave);color:var(--azul-esc)}
.btn-ghost:hover{background:#E0E9FF}
.btn-sm{padding:7px 13px;font-size:12.5px}
.btn-full{width:100%;margin-top:6px}

/* ---------- Tabela ---------- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.6px}
th{text-align:left;padding:10px;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--cinza);border-bottom:1.5px solid var(--borda);white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid var(--borda);color:var(--chumbo)}
tbody tr:hover{background:#FAFBFE}
td.right{text-align:right}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;background:var(--azul-suave);
  color:var(--azul-esc);font-size:12px;font-weight:600}
.badge.ok{background:#DCFCE7;color:var(--ok)}
.badge.alerta{background:#FEE2E2;color:#991B1B}
.tag{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:600}
.tag-dificuldade{background:#FEE2E2;color:#991B1B}
.tag-regular{background:#FEF3C7;color:#92400E}
.tag-bom{background:#DCFCE7;color:#065F46}

/* ---------- Alertas / vazios ---------- */
.alert{margin:16px 26px 0;padding:12px 16px;border-radius:10px;font-size:13.6px;font-weight:500}
.alert-ok{background:#DCFCE7;color:#065F46}
.alert-erro{background:#FEE2E2;color:#991B1B}
.empty{color:var(--cinza);font-size:13.5px;padding:14px 0;text-align:center}
.empty.sm{padding:6px 0;font-size:12px}
.feedback{background:var(--azul-suave);padding:11px 14px;border-radius:10px;font-size:13.5px;
  color:var(--chumbo);margin-top:10px;word-break:break-word}
details summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--azul);margin-top:10px}
.texto{margin-top:8px;font-size:13.6px;color:var(--chumbo);white-space:pre-line}
.footer{margin-top:auto;padding:18px 26px;border-top:1px solid var(--borda);display:flex;
  justify-content:space-between;gap:10px;font-size:12.3px;color:var(--cinza);background:var(--branco)}

/* ---------- Login ---------- */
.auth-body{background:var(--branco)}
.auth{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}
.auth-hero{background:linear-gradient(150deg,var(--azul-esc),var(--azul) 60%,var(--azul-cl));
  color:#fff;padding:56px 48px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.auth-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;margin-bottom:14px}
.auth-logo span{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.18);
  display:grid;place-items:center}
.auth-hero h2{font-size:34px;line-height:1.2}
.auth-hero p{opacity:.9;font-size:15px;max-width:400px}
.auth-list{list-style:none;display:flex;flex-direction:column;gap:9px;margin-top:10px}
.auth-list li{font-size:14px;opacity:.95;padding-left:24px;position:relative}
.auth-list li::before{content:'✓';position:absolute;left:0;font-weight:700}
.auth-form{display:grid;place-items:center;padding:40px 24px}
.auth-box{width:100%;max-width:400px}
.auth-box h1{font-size:25px}
.auth-box form{display:flex;flex-direction:column;gap:4px}
.auth-box label{margin-top:12px}
.tabs{display:flex;gap:6px;background:var(--fundo);padding:5px;border-radius:11px;margin:18px 0 6px}
.tab{flex:1;padding:9px;border-radius:8px;font-size:13.5px;font-weight:600;color:var(--cinza)}
.tab.active{background:var(--branco);color:var(--azul-esc);box-shadow:var(--sh)}
.tab-pane{display:none}
.tab-pane.active{display:flex}
.auth-foot{margin-top:22px;text-align:center;font-size:12px;color:var(--cinza)}

/* ---------- Diagnóstico ---------- */
.diag-body{background:var(--fundo)}
.diag-wrap{max-width:820px;margin:0 auto;padding:34px 20px 60px;display:flex;flex-direction:column;gap:18px}
.diag-head .auth-logo{color:var(--azul-esc)}
.diag-head .auth-logo span{background:var(--azul);color:#fff}
.diag-head h1{font-size:26px;margin:10px 0 4px}
.diag-wrap .alert{margin:0}
.diag-form{display:flex;flex-direction:column;gap:18px}
.diag-area{font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--azul-esc);
  border-left:3px solid var(--azul);padding-left:9px;margin:18px 0 8px}
.diag-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:9px 0;border-bottom:1px solid var(--borda)}
.diag-mat{font-size:14px;font-weight:600;color:var(--chumbo)}
.opts{display:flex;gap:6px;flex-wrap:wrap}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0;width:0;height:0}
.opt span{display:block;padding:7px 13px;border:1.4px solid var(--borda);border-radius:99px;
  font-size:12.5px;font-weight:600;color:var(--cinza);transition:.18s;white-space:nowrap}
.opt input:checked+span{color:#fff;border-color:transparent}
.opt-dificuldade input:checked+span{background:var(--erro)}
.opt-regular input:checked+span{background:var(--alerta)}
.opt-bom input:checked+span{background:var(--ok)}
.switch{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--chumbo);font-weight:500}
.switch input{width:18px;height:18px;flex-shrink:0;margin-top:2px;accent-color:var(--azul)}
.diag-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* ---------- Banco de Questões ---------- */
.q-card{max-width:880px;margin:0 auto;width:100%}
.q-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.q-tags{display:flex;gap:6px;flex-wrap:wrap}
.q-prog{margin-bottom:16px}
.q-hab{margin-bottom:10px}
.q-enunciado{font-size:15.5px;color:var(--preto);line-height:1.7;margin-bottom:14px}
.q-img{max-width:100%;border-radius:10px;border:1px solid var(--borda);margin-bottom:14px}
.q-form{display:flex;flex-direction:column;gap:9px}
.q-alt{display:flex;align-items:flex-start;gap:11px;padding:13px 15px;border:1.5px solid var(--borda);
  border-radius:12px;cursor:pointer;transition:.18s;background:var(--branco);position:relative}
.q-alt:hover{border-color:var(--azul-cl);background:var(--azul-suave)}
.q-alt input{position:absolute;opacity:0;width:0;height:0}
.q-letra{width:27px;height:27px;flex-shrink:0;border-radius:8px;background:var(--azul-suave);
  color:var(--azul-esc);display:grid;place-items:center;font-weight:700;font-size:13px}
.q-txt{font-size:14.3px;color:var(--chumbo);line-height:1.6}
.q-alt:has(input:checked){border-color:var(--azul);background:var(--azul-suave);
  box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.q-alt:has(input:checked) .q-letra{background:var(--azul);color:#fff}
.q-result{display:flex;flex-direction:column;gap:4px;padding:15px 18px;border-radius:12px;margin-bottom:14px}
.q-result strong{font-size:16px}
.q-result span{font-size:13.3px}
.q-result.acerto{background:#DCFCE7;color:#065F46}
.q-result.erro{background:#FEE2E2;color:#991B1B}
.q-exp-t{font-size:14px;color:var(--azul-esc);margin-top:16px}
.foco-acoes{display:flex;align-items:center;gap:8px;flex-shrink:0}

/* ---------- Administração ---------- */
.adm-tabs{max-width:560px}
.adm-tabs .tab{text-align:center;line-height:1.3}
.adm-acoes{display:flex;align-items:center;justify-content:flex-end;gap:6px}
.adm-acoes form{display:inline}

/* ---------- Responsivo ---------- */
.overlay{display:none;position:fixed;inset:0;background:rgba(11,15,25,.45);z-index:50}
.overlay.show{display:block}
@media(max-width:1024px){
  .grid-2-cols{grid-template-columns:1fr}
  .auth{grid-template-columns:1fr}
  .auth-hero{padding:40px 28px}
  .auth-hero h2{font-size:27px}
}
@media(max-width:860px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .burger{display:block}
  .u-info{display:none}
  .content{padding:16px}
  .alert{margin:14px 16px 0}
  .topbar{padding:14px 16px}
  .footer{padding:16px;flex-direction:column;text-align:center}
  .bar-row{grid-template-columns:100px 1fr 48px}
}
@media(max-width:600px){
  .diag-row{flex-direction:column;align-items:flex-start}
  .opts{width:100%}
  .opt span{padding:7px 10px;font-size:12px}
  .q-alt{padding:11px 12px}
  .q-txt{font-size:13.6px}
  .adm-tabs{flex-direction:column}
  .card-head{flex-direction:column;align-items:flex-start}
  .banner-q{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .kpi strong{font-size:23px}
  .grid-2{grid-template-columns:1fr}
  .form-inline>*{flex:1 1 100%}
  .auth-hero{display:none}
}