body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  margin: 0;
  padding: 40px;
  color: white;
}

.container {
  max-width: 900px;
  margin: auto;
}

.topo {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}

button {
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
}

.card {
  background: #1e293b;
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.card.atrasado {
  border-left: 4px solid #ef4444;
}

.barra-container {
  background: #334155;
  border-radius: 20px;
  height: 20px;
  overflow: hidden;
  margin: 10px 0;
}

.barra {
  height: 100%;
  transition: 0.4s;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: #1e293b;
  padding: 25px;
  border-radius: 16px;
  width: 400px;
}

.historico {
  width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}