:root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #262b36;
  --text: #e6e8eb;
  --muted: #8b93a3;
  --green: #35d07f;
  --red: #ef5966;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

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

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

.login-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
}

.login-box h1 { margin: 0 0 4px; font-size: 22px; }
.subtitle { color: var(--muted); margin: 0 0 20px; font-size: 13px; }
.login-box label { font-size: 13px; margin-bottom: 6px; color: var(--muted); }
.login-box input {
  background: #0f1115;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.login-box button, .btn-sair {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.btn-sair { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 6px 12px; }
.alerta-erro {
  background: rgba(239, 89, 102, 0.15);
  color: var(--red);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 24px;
}

.vazio { color: var(--muted); padding: 24px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 15px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.online { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dot.offline { background: var(--red); }

.nome-peer { cursor: pointer; border-bottom: 1px dashed transparent; }
.nome-peer:hover { border-bottom-color: var(--muted); }
.input-nome-peer {
  background: #0f1115;
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  width: 160px;
}

.card-body div { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13px; }
.label { color: var(--muted); }
.status-online { color: var(--green); font-weight: 600; }
.status-offline { color: var(--red); font-weight: 600; }