/* SimuladosBR · visual inspirado no template Neuros (modo escuro): azul royal, grade sutil e cards limpos */
:root {
  --bg: #090e1c; --bg-2: #0e1528; --card: #111a31; --card-2: #16203b;
  --text: #eaf0ff; --muted: #93a0c3; --border: rgba(130, 150, 220, .14); --border-strong: rgba(130, 150, 220, .28);
  --primary: #5a7bff; --primary-2: #8fa6ff; --primary-dark: #3d5cf0; --primary-soft: rgba(90, 123, 255, .14);
  --grad: linear-gradient(135deg, #7891ff 0%, #4a67f5 100%);
  --hl: linear-gradient(100deg, #b9c7ff, #6f8cff 45%, #b9c7ff 90%);
  --ok: #34d399; --ok-bg: rgba(52, 211, 153, .12); --err: #fb7185; --err-bg: rgba(251, 113, 133, .12);
  --warn: #fbbf24; --warn-bg: rgba(251, 191, 36, .14); --radius: 18px;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, .8);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; color: var(--text);
  font: 16px/1.6 "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1000px 520px at 50% -160px, rgba(90, 123, 255, .32), transparent 70%),
    var(--bg);
}
/* Grade sutil do fundo, como no hero do Neuros */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(rgba(130, 150, 220, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 150, 220, .06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 40%, transparent 100%);
}
a { color: var(--primary-2); text-decoration: none; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 12px; letter-spacing: -.025em; }
h1 { font-size: clamp(32px, 5.2vw, 56px); font-weight: 800; }
h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; }
strong { color: #fff; }

/* Destaque das palavras principais */
.hl, .brand > span:last-child, .score {
  background: var(--hl); background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 7s linear infinite;
}
.eyebrow { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 18px; padding: 6px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 500; color: var(--primary-2); background: var(--primary-soft); border: 1px solid rgba(90, 123, 255, .35); }
.eyebrow::before { content: "✦"; color: var(--primary-2); }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px max(20px, calc((100vw - 1120px) / 2));
  position: sticky; top: 0; z-index: 5; background: rgba(9, 14, 28, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; color: var(--text); letter-spacing: -.02em; }
.brand-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--grad); color: #fff; font-size: 15px;
  box-shadow: 0 6px 18px -6px rgba(90, 123, 255, .9); }
.topbar nav { display: flex; gap: 4px; align-items: center; }
.topbar nav a { color: var(--muted); font-weight: 500; padding: 7px 14px; border-radius: 10px; transition: color .2s, background .2s; }
.topbar nav a:hover { color: var(--text); background: rgba(255, 255, 255, .05); }
.topbar nav a.active { color: #fff; background: var(--primary-soft); }
.topbar nav #nav-account { margin-left: 6px; color: #fff; background: var(--grad); box-shadow: 0 8px 20px -10px rgba(90, 123, 255, .9); }

main { max-width: 1120px; margin: 0 auto; padding: 36px 20px 64px; }
main.enter > * { animation: rise .55s cubic-bezier(.2, .7, .2, 1) both; }
.footer { text-align: center; color: var(--muted); font-size: 13px; padding: 32px 16px; border-top: 1px solid var(--border); }
.footer-brand { display: flex; justify-content: center; align-items: center; gap: 8px; margin-bottom: 8px; font-weight: 700; color: var(--text); font-size: 15px; }
.footer-brand .brand-mark { width: 24px; height: 24px; font-size: 12px; border-radius: 7px; }
.footer #api-status { display: block; margin-top: 4px; }
.banner { max-width: 1120px; margin: 16px auto 0; padding: 12px 16px; border-radius: 12px; animation: rise .4s both; }
.banner.ok { background: var(--ok-bg); color: var(--ok); border: 1px solid rgba(52, 211, 153, .3); }
.banner.err { background: var(--err-bg); color: var(--err); border: 1px solid rgba(251, 113, 133, .3); }

/* ---------- Home ---------- */
.hero { text-align: center; padding: 40px 0 8px; }
.hero h1 { max-width: 860px; margin: 0 auto 18px; }
.hero p { color: var(--muted); max-width: 640px; margin: 0 auto; font-size: 18px; }
.hero .row { justify-content: center; margin-top: 28px; }
.hero-visual { position: relative; max-width: 940px; margin: 48px auto 0; border-radius: 24px; overflow: hidden;
  background: linear-gradient(160deg, #6b87ff 0%, #4462f2 60%, #3a55e0 100%);
  border: 1px solid rgba(160, 180, 255, .35); box-shadow: 0 40px 90px -40px rgba(74, 103, 245, .9); aspect-ratio: 16 / 7; }
.hero-visual::before { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 48px 48px; }
.hero-visual svg { position: absolute; inset: auto 0 0 0; width: 100%; height: 75%; }
.hero-visual .line { stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 2.4s .3s cubic-bezier(.4, 0, .2, 1) forwards; }
.float { position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 14px; font-size: 14px; text-align: left;
  color: #1b2550; background: rgba(255, 255, 255, .94); box-shadow: 0 16px 36px -18px rgba(10, 20, 70, .6); animation: bob 5s ease-in-out infinite; }
.float b { display: block; font-size: 17px; color: #1b2550; }
.float small { color: #5a668f; }
.float .dot { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: #e7ecff; color: var(--primary-dark); font-weight: 800; }
.float.f1 { left: 6%; top: 14%; }
.float.f2 { right: 6%; top: 32%; animation-delay: -2.5s; }
.float.f3 { left: 50%; bottom: 10%; transform: translateX(-50%); animation: none; padding: 8px 14px; border-radius: 999px; font-weight: 700; color: var(--primary-dark); }

.vendors { text-align: center; margin: 56px 0 8px; color: var(--muted); font-size: 14px; }
.vendors .list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 34px; margin-top: 14px; }
.vendors .list span { font-weight: 700; font-size: 18px; color: #c7d1ee; opacity: .75; letter-spacing: -.01em; transition: opacity .2s, color .2s; }
.vendors .list span:hover { opacity: 1; color: #fff; }

.section { margin-top: 88px; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 32px; }
.section-head p { color: var(--muted); margin: 0; font-size: 17px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.feature { padding: 24px; }
.feature .ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; font-size: 20px;
  background: var(--primary-soft); border: 1px solid rgba(90, 123, 255, .3); }
.feature h3 { font-size: 18px; color: #fff; margin-bottom: 6px; }
.feature p { color: var(--muted); margin: 0; font-size: 15px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-top: 16px; }
.stat { text-align: center; padding: 22px 16px; }
.stat b { display: block; font-size: 34px; font-weight: 800; letter-spacing: -.03em; color: #fff; }
.stat span { color: var(--muted); font-size: 14px; }

.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 4px 20px; transition: border-color .2s; }
.faq details[open] { border-color: rgba(90, 123, 255, .5); }
.faq summary { cursor: pointer; list-style: none; padding: 14px 0; font-weight: 700; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--primary-2); font-size: 22px; line-height: 1; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 16px; }

.cta { margin-top: 88px; text-align: center; padding: 48px 24px; border-radius: 24px; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #6b87ff, #3d5cf0); }
.cta::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px); background-size: 48px 48px; }
.cta > * { position: relative; }
.cta p { color: rgba(255, 255, 255, .85); max-width: 560px; margin: 0 auto 22px; }
.cta .btn { background: #fff; color: var(--primary-dark); box-shadow: 0 12px 30px -14px rgba(0, 0, 0, .6); }
.cta .btn.secondary { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .6); }

/* ---------- Catálogo e cards ---------- */
.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 0 24px; }
.chip { border: 1px solid var(--border-strong); background: rgba(255, 255, 255, .02); color: var(--muted); padding: 8px 16px;
  border-radius: 999px; cursor: pointer; font: inherit; font-size: 14px; font-weight: 500; transition: all .2s; }
.chip:hover { color: var(--text); border-color: var(--primary); }
.chip.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 22px -10px rgba(90, 123, 255, .9); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
a.card { color: inherit; display: block; transition: transform .25s cubic-bezier(.2, .7, .2, 1), border-color .25s, box-shadow .25s, background .25s; }
a.card:hover { transform: translateY(-4px); background: var(--card-2); border-color: rgba(90, 123, 255, .55);
  box-shadow: 0 24px 48px -24px rgba(74, 103, 245, .7); }
.grid > .card { animation: rise .55s cubic-bezier(.2, .7, .2, 1) both; animation-delay: calc(var(--i, 0) * 30ms); }
.code { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--primary-2); text-transform: uppercase; }
.card h3 { font-size: 17px; margin: 4px 0 6px; color: #fff; }
.card-cert { display: flex !important; gap: 14px; align-items: flex-start; }
.card-cert > div { flex: 1; min-width: 0; }
.badge-cert { flex-shrink: 0; object-fit: contain; filter: drop-shadow(0 8px 16px rgba(0, 0, 0, .5)); transition: transform .35s cubic-bezier(.2, .7, .2, 1); }
a.card:hover .badge-cert { transform: scale(1.08) rotate(-3deg); }
.exam-head { display: flex; gap: 18px; align-items: center; }
.exam-head h1 { margin-bottom: 4px; font-size: clamp(28px, 4vw, 40px); }
.picker label .badge-cert { margin: -4px 0; }
.meta { color: var(--muted); font-size: 13px; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--ok-bg); color: var(--ok); border: 1px solid rgba(52, 211, 153, .3); }
.access { padding: 10px 14px; border-radius: 12px; font-size: 14px; }
.access.ok { background: var(--ok-bg); color: var(--ok); border: 1px solid rgba(52, 211, 153, .3); }
.access.expired { background: var(--warn-bg); color: var(--warn); border: 1px solid rgba(251, 191, 36, .35); }

.btn { position: relative; display: inline-block; border: 1px solid transparent; border-radius: 12px; padding: 12px 22px; font: inherit; font-weight: 700; cursor: pointer;
  color: #fff; text-align: center; background: var(--grad); box-shadow: 0 12px 26px -12px rgba(90, 123, 255, .9);
  transition: transform .2s, box-shadow .2s, filter .2s; }
.btn:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 16px 32px -12px rgba(90, 123, 255, 1); }
.btn:active { transform: translateY(0); }
.btn.secondary { background: rgba(255, 255, 255, .03); color: var(--text); border-color: var(--border-strong); box-shadow: none; }
.btn.secondary:hover { border-color: var(--primary); background: var(--primary-soft); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; filter: none; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* ---------- Planos ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 24px; }
.plans .card { animation: rise .55s both; padding: 26px; }
.plans .card:nth-child(2) { animation-delay: .07s; } .plans .card:nth-child(3) { animation-delay: .14s; }
.plan .price { font-size: 38px; font-weight: 800; margin: 8px 0; color: #fff; letter-spacing: -.03em; }
.plan.popular { border: 1px solid transparent; background: linear-gradient(var(--card-2), var(--card-2)) padding-box, var(--grad) border-box;
  box-shadow: 0 30px 60px -30px rgba(74, 103, 245, .8); }
.plan ul { padding-left: 0; list-style: none; color: var(--muted); }
.plan li { padding-left: 24px; position: relative; margin-bottom: 6px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--primary-2); font-weight: 800; }
.picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; margin: 12px 0; }
.picker label { display: flex; gap: 8px; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255, 255, 255, .02); font-size: 14px; cursor: pointer; transition: border-color .2s; }
.picker label:hover { border-color: var(--primary); }

/* ---------- Formulários ---------- */
.form { max-width: 420px; }
.form label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.form input, select { display: block; width: 100%; margin-top: 4px; padding: 11px 12px; border: 1px solid var(--border-strong); border-radius: 10px;
  background: var(--bg-2); color: var(--text); font: inherit; transition: border-color .2s, box-shadow .2s; }
.form input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(90, 123, 255, .25); }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }

/* ---------- Prova ---------- */
.quiz-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.timer { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 18px; padding: 8px 14px; border-radius: 12px; background: var(--card); border: 1px solid var(--border-strong); }
.timer.low { background: var(--warn-bg); color: var(--warn); border-color: rgba(251, 191, 36, .5); animation: pulse 1s ease-in-out infinite; }
.question { font-size: 19px; margin-bottom: 18px; color: #fff; }
.option { display: flex; gap: 10px; align-items: flex-start; padding: 13px 15px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255, 255, 255, .02);
  margin-bottom: 10px; cursor: pointer; transition: border-color .2s, background .2s, transform .15s; }
.option:hover { border-color: rgba(90, 123, 255, .6); background: var(--primary-soft); transform: translateX(3px); }
.option:has(input:checked) { border-color: var(--primary); background: rgba(90, 123, 255, .18); }
.option input { margin-top: 5px; accent-color: var(--primary); }
.option.right { border-color: var(--ok); background: var(--ok-bg); }
.option.wrong { border-color: var(--err); background: var(--err-bg); }
.qnav { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0; }
.qnav button { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border-strong); background: rgba(255, 255, 255, .02); color: var(--text); cursor: pointer; font: inherit; font-size: 14px; transition: all .2s; }
.qnav button:hover { border-color: var(--primary); }
.qnav button.answered { background: var(--grad); color: #fff; border-color: transparent; }
.qnav button.current { outline: 2px solid var(--primary-2); outline-offset: 2px; }
.score { font-size: 64px; font-weight: 800; line-height: 1; margin: 8px 0; }
.pass { color: var(--ok); } .fail { color: var(--err); }
.score.pass, .score.fail { -webkit-text-fill-color: initial; background: none; }
.score.pass { color: var(--ok); text-shadow: 0 0 30px rgba(52, 211, 153, .45); }
.score.fail { color: var(--err); text-shadow: 0 0 30px rgba(251, 113, 133, .4); }
.explain { color: var(--muted); font-size: 14px; margin-top: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { color: var(--muted); font-weight: 500; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
tbody tr { transition: background .2s; } tbody tr:hover { background: rgba(255, 255, 255, .03); }
.empty { color: var(--muted); }
.loading { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 90px 0; color: var(--muted); text-align: center; }
.loading::before { content: ""; width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--primary-soft); border-top-color: var(--primary); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Segurança da conta e MFA ---------- */
.steps { color: var(--muted); padding-left: 20px; } .steps li { margin-bottom: 6px; }
.qr-box { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.qr { background: #fff; border-radius: 14px; padding: 10px; width: 200px; height: 200px; }
.qr svg { width: 100%; height: 100%; display: block; }
.secret { display: inline-block; font-size: 15px; letter-spacing: .06em; padding: 8px 12px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--border-strong); word-break: break-all; }
.codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 14px; }
.codes code { font-size: 16px; padding: 10px; text-align: center; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--border-strong); letter-spacing: .05em; }
.security { display: grid; gap: 0; padding: 6px 20px; }
.sec-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 0; }
.sec-row + .sec-row { border-top: 1px solid var(--border); }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: rgba(251, 191, 36, .35); }
.badge.err { background: var(--err-bg); color: var(--err); border-color: rgba(251, 113, 133, .35); }
.badge.muted { background: rgba(255, 255, 255, .05); color: var(--muted); border-color: var(--border-strong); }

/* ---------- Administração ---------- */
.admin-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 20px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin-bottom: 14px; }
.toolbar label { font-size: 12px; color: var(--muted); display: grid; gap: 4px; }
.toolbar input, .toolbar select { padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--bg-2); color: var(--text); font: inherit; font-size: 14px; width: auto; margin: 0; }
.toolbar .btn { padding: 9px 14px; }
.table-wrap { overflow-x: auto; }
.table-wrap table { min-width: 720px; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 12px; color: var(--muted); font-size: 14px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpis .card { padding: 16px; } .kpis b { display: block; font-size: 24px; color: #fff; } .kpis span { color: var(--muted); font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes shine { to { background-position: 200% center; } }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(251, 191, 36, .15); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes bob { 50% { transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-visual .line { stroke-dashoffset: 0; }
}
@media (max-width: 700px) {
  .topbar { padding: 12px 16px; } .topbar nav { gap: 2px; font-size: 14px; } .topbar nav a { padding: 6px 8px; }
  .brand { font-size: 17px; } .brand-mark { width: 26px; height: 26px; }
  main { padding: 20px 16px 48px; } .hero p { font-size: 16px; } .score { font-size: 48px; }
  .topbar nav a[href="#/"] { display: none; } .topbar nav a { padding: 6px 10px; }
  .hero-visual { aspect-ratio: 4 / 3; } .float.f2 { display: none; } .float.f1 { left: 5%; top: 8%; }
  .float.f3 { white-space: nowrap; font-size: 12px; }
  .section, .cta { margin-top: 64px; }
  table { font-size: 13px; } th, td { padding: 8px 4px; }
}