:root {
  --bg: #0b0f19;
  --bg-2: #121826;
  --card: #161d2e;
  --card-hover: #1c2438;
  --linha: #253049;
  --texto: #e7ecf5;
  --suave: #9aa7bf;
  --fraco: #6b7891;
  --azul: #4f7dff;
  --verde: #22c55e;
  --amarelo: #f59e0b;
  --vermelho: #ef4444;
  --raio: 14px;
  --sombra: 0 8px 28px rgba(0, 0, 0, .35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fb; --bg-2: #ffffff; --card: #ffffff; --card-hover: #f7f9ff;
    --linha: #e3e8f2; --texto: #161d2b; --suave: #5b6880; --fraco: #8b97ac;
    --sombra: 0 6px 22px rgba(20, 30, 60, .08);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--texto);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--azul); }
button { font: inherit; }

/* ---------- telas de acesso ---------- */

.acesso {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(1100px 600px at 50% -10%, rgba(79, 125, 255, .16), transparent 70%), var(--bg);
}

.caixa {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--linha);
  border-radius: 18px;
  padding: 34px 30px;
  box-shadow: var(--sombra);
}

.caixa h1 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.3px; }
.caixa .sub { margin: 0 0 24px; color: var(--suave); font-size: 14px; }

.marca {
  display: flex; align-items: center; gap: 10px; margin-bottom: 22px;
  font-weight: 700; font-size: 17px; letter-spacing: -.3px;
}
.marca .logo {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--azul), #8b5cf6); color: #fff; font-size: 17px;
}
/* Logo em imagem: sem o degrade que existia atras do emoji. */
img.logo { background: none; object-fit: cover; }

label { display: block; font-size: 13px; color: var(--suave); margin: 0 0 6px; font-weight: 500; }

input[type=text], input[type=email], input[type=password], select, textarea {
  width: 100%; padding: 11px 13px; margin-bottom: 16px;
  background: var(--bg-2); color: var(--texto);
  border: 1px solid var(--linha); border-radius: 10px; outline: none;
}
input:focus, select:focus { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(79, 125, 255, .18); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border: 1px solid transparent; border-radius: 10px;
  background: var(--azul); color: #fff; font-weight: 600; cursor: pointer;
  transition: filter .15s, background .15s;
}
.btn:hover:not(:disabled) { filter: brightness(1.1); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.largo { width: 100%; }
.btn.fantasma { background: transparent; border-color: var(--linha); color: var(--texto); }
.btn.fantasma:hover:not(:disabled) { background: var(--card-hover); }
.btn.perigo { background: var(--vermelho); }
.btn.pequeno { padding: 7px 12px; font-size: 13px; }

.erro {
  background: rgba(239, 68, 68, .12); border: 1px solid rgba(239, 68, 68, .35);
  color: #fca5a5; padding: 10px 13px; border-radius: 10px; font-size: 13.5px; margin-bottom: 16px;
}
.aviso { color: var(--suave); font-size: 12.5px; margin: -8px 0 18px; }

/* ---------- topo ---------- */

.topo {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 26px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--linha);
}
.topo .marca { margin: 0; flex: 1; }
.topo .quem { color: var(--suave); font-size: 13.5px; }

.conteudo { max-width: 1120px; margin: 0 auto; padding: 34px 26px 60px; }
.conteudo h2 { margin: 0 0 4px; font-size: 26px; letter-spacing: -.5px; }
.conteudo .legenda { margin: 0 0 28px; color: var(--suave); }

/* ---------- cards das ferramentas ---------- */

.grade { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(292px, 1fr)); }

.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--linha);
  border-radius: var(--raio); padding: 20px; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: color-mix(in srgb, var(--azul) 45%, var(--linha)); transform: translateY(-2px); }

.card .cabeca { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.card .icone {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  font-size: 21px; background: var(--bg-2); border: 1px solid var(--linha);
}
/* Ferramenta com logo propria: a imagem preenche o quadrado, sem fundo atras. */
img.icone { object-fit: cover; background: none; padding: 0; }
.card h3 { margin: 0; font-size: 16px; letter-spacing: -.2px; }
.card .desc { margin: 0 0 18px; color: var(--suave); font-size: 13.5px; min-height: 38px; }
.card .rodape { display: flex; gap: 8px; align-items: center; margin-top: auto; }

.selo {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  background: var(--bg-2); color: var(--suave); border: 1px solid var(--linha);
}
.selo::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--fraco); }
.selo.rodando { color: var(--verde); border-color: rgba(34, 197, 94, .35); }
.selo.rodando::before { background: var(--verde); box-shadow: 0 0 0 3px rgba(34, 197, 94, .18); }
.selo.erro { color: var(--vermelho); border-color: rgba(239, 68, 68, .35); }
.selo.erro::before { background: var(--vermelho); }
.selo.externo { color: var(--azul); border-color: rgba(79, 125, 255, .35); }
.selo.externo::before { background: var(--azul); }

.card .msg { font-size: 12.5px; color: var(--vermelho); margin: 0 0 12px; }

/* ---------- painel de administração ---------- */

.secao { margin-top: 46px; }
.secao h3 { font-size: 18px; margin: 0 0 14px; letter-spacing: -.3px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--raio); overflow: hidden; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--linha); font-size: 14px; }
th { color: var(--suave); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
tr:last-child td { border-bottom: none; }
td .btn { margin-right: 6px; }

.modal-fundo {
  position: fixed; inset: 0; background: rgba(4, 8, 16, .62); backdrop-filter: blur(3px);
  display: grid; place-items: center; padding: 24px; z-index: 50;
}
.modal {
  background: var(--card); border: 1px solid var(--linha); border-radius: 16px;
  padding: 26px; width: 100%; max-width: 440px; box-shadow: var(--sombra);
  max-height: 88vh; overflow: auto;
}
.modal h3 { margin: 0 0 18px; font-size: 18px; }
.modal .acoes { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }

.checks { display: grid; gap: 8px; margin-bottom: 16px; }
.checks label { display: flex; align-items: center; gap: 9px; color: var(--texto); font-size: 14px; margin: 0; cursor: pointer; }
.checks input { margin: 0; accent-color: var(--azul); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--card); border: 1px solid var(--linha); color: var(--texto);
  padding: 12px 18px; border-radius: 12px; box-shadow: var(--sombra); z-index: 90; font-size: 14px;
}
.toast.ok { border-color: rgba(34, 197, 94, .45); }
.toast.ruim { border-color: rgba(239, 68, 68, .45); }

.vazio { color: var(--suave); padding: 30px; text-align: center; border: 1px dashed var(--linha); border-radius: var(--raio); }