:root {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #2563eb;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  padding: 16px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

h1 { margin: 0 0 16px; font-size: 22px; }

.status {
  color: var(--muted);
  min-height: 24px;
  margin: 0 0 20px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

button {
  padding: 14px 20px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  background: #334155;
  color: var(--text);
  transition: opacity 0.15s;
}
button:hover { opacity: 0.9; }
button.primary { background: var(--primary); }
button.danger { background: var(--danger); }

.invite {
  margin-bottom: 20px;
  text-align: left;
}
.invite label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.invite-row { display: flex; gap: 8px; }
.invite-row input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #475569;
  background: #0f172a;
  color: var(--text);
  font-size: 13px;
}
.invite-row button { padding: 10px 14px; font-size: 14px; }

.hidden { display: none !important; }