:root{
  --bg:#f4f5fb; --surface:#fff; --ink:#0b1437; --muted:#5d6785; --line:#e3e6f2;
  --brand:#4338ca; --brand-2:#6366f1; --brand-soft:#eef0ff;
  --live:#059669; --live-soft:#d9f6ea; --warn:#d97706; --warn-soft:#fff1d6;
  --danger:#dc2626; --danger-soft:#fde4e4; --navy:#0b1437;
  --radius:14px; --shadow:0 1px 2px rgba(11,20,55,.06),0 8px 24px rgba(11,20,55,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:2rem}h2{font-size:1.35rem}h3{font-size:1.1rem}
p{margin:0 0 1em}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.main{padding-top:28px;padding-bottom:56px;min-height:70vh}
.muted{color:var(--muted)}.small{font-size:.85rem}.right{text-align:right}.center{text-align:center}
.mt{margin-top:24px}.mb{margin-bottom:24px}

/* Topbar */
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.topbar-in{display:flex;align-items:center;gap:24px;height:62px}
.brand{color:#fff;font-weight:700;font-size:1.15rem;display:flex;align-items:center;gap:10px}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand-2),#22d3ee);font-weight:800}
.nav{display:flex;gap:4px;flex:1}
.nav a{color:#c7cdee;padding:8px 14px;border-radius:9px;font-weight:500}
.nav a:hover{background:rgba(255,255,255,.08);text-decoration:none;color:#fff}
.nav a.on{background:rgba(255,255,255,.14);color:#fff}
.auth{display:flex;align-items:center;gap:8px}
.user-chip{display:flex;align-items:center;gap:8px;color:#fff;font-weight:500}
.user-chip:hover{text-decoration:none;opacity:.9}
.avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--brand-2);font-weight:700;font-size:.85rem}
.subnav{background:#fff;border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto}
.subnav a{padding:12px 14px;color:var(--muted);font-weight:600;border-bottom:3px solid transparent}
.subnav a:hover{text-decoration:none;color:var(--ink)}
.subnav a.on{color:var(--brand);border-color:var(--brand)}
.footer{border-top:1px solid var(--line);padding:22px 0;color:var(--muted);font-size:.875rem;text-align:center}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 20px;font:inherit;font-weight:600;cursor:pointer;transition:.15s;text-decoration:none!important;line-height:1.2}
.btn-sm{padding:8px 14px;font-size:.9rem}
.btn-lg{padding:15px 28px;font-size:1.05rem}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:#372fb0}
.btn-accent{background:var(--live);color:#fff}.btn-accent:hover{background:#047857}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}.btn-ghost:hover{background:rgba(255,255,255,.1)}
.main .btn-ghost{color:var(--ink);border-color:var(--line)}
.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:#fbcfcf}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none}
.btn-block{width:100%}

/* Alertas */
.alert{padding:13px 16px;border-radius:11px;margin-bottom:18px;font-weight:500;border:1px solid}
.alert-success{background:var(--live-soft);border-color:#a7e8cd;color:#065f46}
.alert-error{background:var(--danger-soft);border-color:#f7b8b8;color:#991b1b}
.alert-info{background:var(--brand-soft);border-color:#cfd3ff;color:#312e81}

/* Cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.card + .card{margin-top:20px}
.card h2{margin-bottom:.8em}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.side-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}

/* Hero */
.hero{background:linear-gradient(120deg,#0b1437 0%,#312e81 60%,#4338ca 100%);color:#fff;border-radius:20px;padding:36px;margin-bottom:30px;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.35),transparent 70%)}
.hero h1{font-size:2.1rem;margin-bottom:.4em}
.hero p{color:#c7cdee;max-width:46ch}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:20px;position:relative;z-index:1;backdrop-filter:blur(6px)}
.hero-card .lbl{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#a5b4fc;font-weight:700}
.hero-card h3{margin:.3em 0;font-size:1.15rem}
.hero-card .countdown{font-size:2.2rem;color:#fff;display:block;margin:.3em 0 .6em}
.hero-card .btn{width:100%}

/* Lista de simulados */
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.toolbar form{display:flex;gap:10px;flex:1;min-width:240px}
.toolbar input[type=search]{flex:1}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.pill{padding:8px 15px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:600;font-size:.9rem}
.pill:hover{text-decoration:none;border-color:var(--brand);color:var(--brand)}
.pill.on{background:var(--brand);border-color:var(--brand);color:#fff}
.section-title{display:flex;align-items:center;gap:10px;margin:30px 0 14px}
.section-title h2{margin:0}
.count{background:var(--brand-soft);color:var(--brand);border-radius:99px;padding:2px 10px;font-weight:700;font-size:.85rem}
.sim{display:grid;grid-template-columns:84px 1fr 190px;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow);transition:.15s;border-left:5px solid var(--line)}
.sim:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(11,20,55,.06),0 14px 30px rgba(11,20,55,.1)}
.sim-live{border-left-color:var(--live)}
.sim-soon{border-left-color:var(--brand-2)}
.sim-closed{opacity:.92}
.sim h3{margin:.25em 0 .2em;font-size:1.15rem}
.sim h3 a{color:var(--ink)}
.sim h3 a:hover{color:var(--brand);text-decoration:none}
.sim-top{display:flex;align-items:center;gap:12px}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 .6em}
.meta{display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--muted);font-size:.875rem}
.datetile{background:var(--brand-soft);border-radius:14px;text-align:center;padding:10px 4px;line-height:1.1}
.sim-live .datetile{background:var(--live-soft)}
.sim-closed .datetile{background:#eef0f6}
.dt-m{display:block;font-size:.72rem;font-weight:800;letter-spacing:.1em;color:var(--brand)}
.sim-live .dt-m{color:var(--live)}
.sim-closed .dt-m{color:var(--muted)}
.dt-d{display:block;font-size:1.9rem;font-weight:800}
.dt-h{display:block;font-size:.85rem;color:var(--muted);font-weight:600}
.sim-side{display:flex;flex-direction:column;align-items:flex-end;gap:6px;text-align:right}
.side-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.side-date{font-weight:600;font-size:.95rem}
.countdown{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.25rem;color:var(--brand)}
.countdown.live{color:var(--live)}
.chip{display:inline-block;padding:3px 11px;border-radius:99px;font-size:.75rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.chip-soon{background:var(--brand-soft);color:var(--brand)}
.chip-live{background:var(--live-soft);color:var(--live)}
.chip-live:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--live);margin-right:6px;animation:pulse 1.4s infinite}
.chip-closed{background:#eceef5;color:var(--muted)}
.chip-warn{background:var(--warn-soft);color:var(--warn)}
.chip-danger{background:var(--danger-soft);color:var(--danger)}
@keyframes pulse{50%{opacity:.3}}
.empty{text-align:center;padding:48px 20px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}
.pager{display:flex;gap:6px;justify-content:center;margin-top:20px}

/* Estrelas */
.stars{color:#d5d9e8;letter-spacing:1px;white-space:nowrap}
.stars i{font-style:normal}
.stars i.on{color:#f59e0b}
.stars i.half{color:#f8c96a}
.star-input{display:inline-flex;flex-direction:row-reverse;justify-content:flex-end;gap:4px}
.star-input input{position:absolute;opacity:0;pointer-events:none}
.star-input label{font-size:2.2rem;line-height:1;color:#d5d9e8;cursor:pointer;transition:.1s}
.star-input label.on,.star-input label.hover{color:#f59e0b}
.star-input{flex-direction:row}

/* Página do simulado */
.page-head{margin-bottom:22px}
.page-head .crumbs{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0 0}
.info{background:var(--bg);border-radius:12px;padding:12px 16px}
.info b{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.info span{font-weight:700}
.action-card{position:sticky;top:84px;text-align:center}
.big-count{font-size:2.4rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand);margin:.2em 0}
.review{border-top:1px solid var(--line);padding:16px 0}
.review:first-child{border:0;padding-top:0}
.review-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.score-bars{display:grid;gap:6px}
.sbar{display:grid;grid-template-columns:28px 1fr 34px;gap:10px;align-items:center;font-size:.85rem;color:var(--muted)}
.sbar div{height:8px;background:#eceef5;border-radius:99px;overflow:hidden}
.sbar div i{display:block;height:100%;background:#f59e0b}

/* Sala de prova */
.exam-bar{position:sticky;top:62px;z-index:10;background:var(--navy);color:#fff;border-radius:16px;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px;box-shadow:var(--shadow)}
.exam-bar .lbl{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:#a5b4fc;font-weight:700}
.timer{font-size:2.6rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;color:#fff}
.timer.warn{color:#fbbf24}
.timer.danger{color:#f87171;animation:pulse 1s infinite}
.dropzone{display:block;border:2px dashed #b8bff0;background:var(--brand-soft);border-radius:var(--radius);padding:34px 20px;text-align:center;cursor:pointer;transition:.15s}
.dropzone:hover,.dropzone.drag{background:#e3e6ff;border-color:var(--brand)}
.dropzone.has{border-style:solid;border-color:var(--live);background:var(--live-soft)}
.dropzone input{display:none}
.dz-icon{font-size:2rem}
.dz-name{display:block;font-weight:700;margin-top:6px}
.file-preview{width:100%;height:520px;border:1px solid var(--line);border-radius:12px;background:#fff}
.file-preview-img{max-width:100%;border:1px solid var(--line);border-radius:12px}

/* Formulários */
label.f{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.req{color:var(--danger)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],input[type=datetime-local],select,textarea{width:100%;padding:11px 14px;border:1px solid #cdd2e6;border-radius:10px;font:inherit;background:#fff;color:var(--ink);transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(99,102,241,.18)}
textarea{min-height:110px;resize:vertical}
.field{margin-bottom:16px}
.field .hint{font-size:.8rem;color:var(--muted);margin-top:4px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}
.form-grid .full{grid-column:1/-1}
.auth-card{max-width:440px;margin:20px auto}
.auth-card.wide{max-width:720px}
.auth-card h1{font-size:1.6rem}

/* Tabelas */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
th,td{padding:13px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}
td.wrap{white-space:normal;min-width:170px;max-width:340px}
.card .table-wrap th,.card .table-wrap td{padding:12px 10px}
.card .table-wrap .chip{font-size:.68rem;padding:2px 8px;margin-left:4px}
.btn,.chip,.grade,.pos,.count,.pill,.stars,.countdown,.side-label,.side-date{white-space:nowrap}
th{font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);background:#fafbff;white-space:nowrap}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbff}
.grade{display:inline-block;padding:4px 12px;border-radius:99px;font-weight:800;background:var(--live-soft);color:var(--live)}
.grade.mid{background:var(--warn-soft);color:var(--warn)}
.grade.low{background:var(--danger-soft);color:var(--danger)}
.actions{display:flex;gap:6px;flex-wrap:wrap}
td .actions{flex-wrap:nowrap;align-items:center}
td .actions form{margin:0}

/* Estatísticas */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:1.9rem;line-height:1.1}
.stat span{color:var(--muted);font-size:.875rem}

.active-banner{background:linear-gradient(120deg,#047857,#059669);color:#fff;border-radius:18px;padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px}
.active-banner .timer{font-size:2.2rem}
.active-banner .btn{background:#fff;color:var(--live)}
.timeup{background:var(--danger-soft);border:1px solid #f7b8b8;color:#991b1b;border-radius:12px;padding:14px 18px;margin-bottom:16px;font-weight:600}

/* Perfil, ranking e calendário */
.profile-head{display:flex;gap:20px;align-items:center;margin-bottom:20px;flex-wrap:wrap}
.avatar-lg{width:72px;height:72px;font-size:1.9rem;color:#fff;flex:none}
.heat-scroll{overflow-x:auto;padding-bottom:6px}
.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,13px);grid-auto-columns:13px;gap:3px;width:max-content}
.heat i,.heat-legend i{display:inline-block;width:13px;height:13px;border-radius:3px;background:#eceef7}
.heat i.h-empty{background:transparent}
.heat i.h1,.heat-legend i.h1{background:#c7cdfa}
.heat i.h2,.heat-legend i.h2{background:#818cf8}
.heat i.h3,.heat-legend i.h3{background:#4338ca}
.heat-legend{display:flex;align-items:center;gap:4px;margin-top:10px;justify-content:flex-end}
.rank-filters{display:grid;grid-template-columns:1.4fr .7fr 1fr 1.2fr auto;gap:0 14px;align-items:end}
.rank-filters .field{margin-bottom:0}
.pos{display:inline-grid;place-items:center;min-width:30px;height:30px;border-radius:50%;font-weight:800;background:#eef0f6;color:var(--muted)}
.pos-1{background:#fde68a;color:#92400e}.pos-2{background:#e5e7eb;color:#374151}.pos-3{background:#fcd9b6;color:#9a3412}

@media(max-width:860px){
  .rank-filters{grid-template-columns:1fr 1fr}
  .rank-filters .field{margin-bottom:12px}
  .hero{grid-template-columns:1fr;padding:26px}
  .side-layout{grid-template-columns:1fr}
  .action-card{position:static}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .sim{grid-template-columns:70px 1fr;}
  .sim-side{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;text-align:left}
}
@media(max-width:600px){
  .topbar-in{gap:10px;height:auto;padding:10px 20px;flex-wrap:wrap}
  .nav{order:3;width:100%;flex:none;overflow-x:auto}
  .g2,.g3,.g4,.form-grid,.info-grid{grid-template-columns:1fr}
  h1{font-size:1.6rem}
  .exam-bar{flex-direction:column;align-items:flex-start;top:0;position:static}
  .timer{font-size:2.2rem}
}