:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1c2128;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --green: #16a34a;
  --red: #dc2626;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 16px; margin: 0; font-weight: 600; }

.container { max-width: 960px; margin: 32px auto; padding: 0 24px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card { width: 360px; }

h2 { font-size: 20px; margin: 0 0 16px; }
h3 { font-size: 15px; margin: 0 0 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }

label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--muted); }

input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 14px;
  font-family: inherit;
}

textarea { min-height: 90px; resize: vertical; }

button, .btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--primary-dark); }

.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f0f1f3; }

.btn-danger { background: var(--red); }
.btn-danger:hover { background: #b91c1c; }

.erro { color: var(--red); font-size: 13px; margin-bottom: 12px; }

.aviso {
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--border); }
td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}
.badge-on { background: #dcfce7; color: var(--green); }
.badge-off { background: #f3f4f6; color: var(--muted); }

.agente-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border); }
.agente-row:last-child { border-bottom: none; }

.toggle-form { display: inline; }

.qr-box { text-align: center; padding: 20px; }
.qr-box img { max-width: 220px; border: 1px solid var(--border); border-radius: 8px; }

.muted { color: var(--muted); font-size: 13px; }
a { color: var(--primary); }