:root {
  --verde: #00a651;
  --verde-escuro: #00713b;
  --lima: #8dc63f;
  --fundo: #f1f5f1;
  --borda: #dce5dc;
  --texto: #21301f;
  --cinza: #5a6a5a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--fundo);
  color: var(--texto);
}
a { color: var(--verde-escuro); }
.topo {
  background: linear-gradient(135deg, var(--verde), var(--verde-escuro));
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.topo .marca {
  width: 36px; height: 36px; border-radius: 9px;
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 20px;
}
.topo h1 { font-size: 18px; margin: 0; font-weight: 800; flex: 1; }
.topo a { color: #fff; text-decoration: none; opacity: .9; font-size: 14px; }
.container { max-width: 880px; margin: 24px auto; padding: 0 16px; }
.card {
  background: #fff; border: 1px solid var(--borda); border-radius: 14px;
  padding: 20px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 14px; font-size: 18px; }
label { display: block; font-size: 13px; color: var(--cinza); margin: 12px 0 5px; }
input, select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--borda);
  border-radius: 10px; font-size: 15px; background: #fff;
}
input:focus, select:focus { outline: none; border-color: var(--verde); }
.linha { display: flex; gap: 12px; flex-wrap: wrap; }
.linha > div { flex: 1; min-width: 140px; }
.btn {
  display: inline-block; border: none; border-radius: 10px; cursor: pointer;
  background: var(--verde); color: #fff; font-size: 15px; font-weight: 700;
  padding: 12px 18px; text-decoration: none; text-align: center;
}
.btn:hover { background: var(--verde-escuro); }
.btn.bloco { width: 100%; }
.btn.sec { background: #fff; color: var(--verde-escuro); border: 1px solid var(--verde); }
.btn.perigo { background: #fff; color: #c0392b; border: 1px solid #e2b3ac; }
.btn.perigo:hover { background: #fdecea; }
.btn.mini { padding: 7px 12px; font-size: 13px; }
.aviso { background: #fdecea; color: #a5281b; border: 1px solid #f5c6c0;
  padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; }
.ok { background: #e7f6ec; color: #1e7a45; border: 1px solid #b7e2c6;
  padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--borda); font-size: 14px; }
th { color: var(--cinza); font-weight: 600; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.on { background: #e7f6ec; color: #1e7a45; }
.badge.off { background: #f1f0f0; color: #8a8a8a; }
.codigo {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 34px; font-weight: 800; letter-spacing: 6px; color: var(--verde-escuro);
  background: #f2f8f3; border: 1px dashed var(--verde); border-radius: 12px;
  padding: 16px; text-align: center; margin: 8px 0 4px;
}
.muted { color: var(--cinza); font-size: 13px; }
.acoes { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.auth-wrap { max-width: 400px; margin: 8vh auto; padding: 0 16px; }
.center { text-align: center; }