* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f5f6f8;
  color: #1c1e21;
}

h1 {
  font-size: 22px;
  font-weight: 600;
  color: #1877f2;
}

button {
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: #1877f2;
  color: white;
  transition: background 0.15s ease;
}

button:hover {
  background: #166fe5;
}

button:disabled {
  background: #bcc0c4;
  cursor: not-allowed;
}

input {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border: 1px solid #dddfe2;
  border-radius: 6px;
  width: 100%;
}

.card {
  background: white;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 32px;
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
}

.status-connected { background: #e3f5e6; color: #1e8a3e; }
.status-pending { background: #fff4e0; color: #b8760a; }
.status-disconnected { background: #fde8e8; color: #c0392b; }

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  color: #65676b;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-bottom: 1px solid #e4e6eb;
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid #f0f2f5;
  font-size: 14px;
}