html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  background-color: #f8f9fa;
}

/* Status Badge Colors */
.status-stopped {
  background-color: #6c757d;
}

.status-starting {
  background-color: #0dcaf0;
}

.status-running {
  background-color: #198754;
}

.status-stopping {
  background-color: #ffc107;
  color: #000;
}

.status-error {
  background-color: #dc3545;
}

/* Instance Card Styles */
.instance-card {
  transition: transform 0.2s, box-shadow 0.2s;
  border-left: 4px solid transparent;
}

.instance-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.instance-card.status-running {
  border-left-color: #198754;
}

.instance-card.status-stopped {
  border-left-color: #6c757d;
}

.instance-card.status-error {
  border-left-color: #dc3545;
}

.instance-card.status-starting,
.instance-card.status-stopping {
  border-left-color: #ffc107;
}

/* Instance Info Section */
.instance-info-label {
  font-weight: 600;
  color: #495057;
}

.instance-info-value {
  color: #212529;
}

/* Action Buttons */
.action-buttons .btn {
  min-width: 80px;
}

/* Loading Spinner */
.spinner-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Memory Region Table */
.memory-table th {
  background-color: #e9ecef;
  font-weight: 600;
}

/* Client Table */
.client-table {
  font-size: 0.9rem;
}

/* Toast Container */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #6c757d;
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

/* Form Styles */
.form-label.required::after {
  content: " *";
  color: #dc3545;
}