body {

  margin: 0;
  padding: 0;

  background: #f4f7fb;

  font-family: Arial;

}

.login-container {

  display: flex;

  justify-content: center;

  align-items: center;

  height: 100vh;

}

.login-card {

  background: white;

  padding: 40px;

  border-radius: 14px;

  width: 350px;

  box-shadow:
    0 2px 12px rgba(0,0,0,0.1);

}

.login-card input,
.login-card button {

  width: 100%;

  padding: 12px;

  margin-top: 15px;

}

.container {

  width: 90%;
  max-width: 1100px;

  margin: 40px auto;

}

.top-bar {

  display: flex;

  justify-content: space-between;

  align-items: center;

}

.card {

  background: white;

  border-radius: 14px;

  padding: 30px;

  margin-top: 30px;

  box-shadow:
    0 2px 10px rgba(0,0,0,0.08);

}

.header {

  display: flex;

  justify-content: space-between;

}

.instance-id {

  background: #eee;

  padding: 8px 14px;

  border-radius: 8px;

}

.status-row {

  display: flex;

  justify-content: space-between;

  margin-top: 20px;

}

.status {

  padding: 10px 16px;

  border-radius: 8px;

  font-weight: bold;

}

.status.running {

  background: #d4edda;
  color: #155724;

}

.status.stopped {

  background: #f8d7da;
  color: #721c24;

}

.status.pending,
.status.stopping {

  background: #fff3cd;
  color: #856404;

}

.button-group {

  margin-top: 25px;

  display: flex;

  gap: 20px;

}

button {

  border: none;

  padding: 12px 24px;

  border-radius: 10px;

  cursor: pointer;

}

.start-btn {

  background: #28a745;
  color: white;

}

.stop-btn {

  background: #dc3545;
  color: white;

}