.gpu-form {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.gpu-form .gpu-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.gpu-form .gpu-alert {
  margin: 0.5rem 0;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: #f6f6f9;
}
.gpu-form .gpu-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  border: 2px dashed #c9c9d3;
  border-radius: 1rem;
  padding: 2.25rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.gpu-form .gpu-drop.is-dragover {
  background: #fafaff;
  border-color: #777;
}
.gpu-form .gpu-drop:hover {
  border-color: #999;
}
.gpu-form .gpu-drop .gpu-cta {
  font-weight: 600;
}
.gpu-form .gpu-drop .gpu-sub {
  opacity: 0.8;
  font-size: 0.95rem;
}
.gpu-form .gpu-drop .gpu-help {
  opacity: 0.7;
  font-size: 0.85rem;
}
.gpu-form .gpu-meta {
  margin-top: 0.5rem;
  opacity: 0.8;
  font-size: 0.85rem;
}
.gpu-form .gpu-file-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0 0;
}
.gpu-form .gpu-file-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ececf2;
  border-radius: 0.5rem;
  margin: 0.4rem 0;
}
.gpu-form .gpu-file-list .gpu-file-bad {
  color: #b00020;
}
.gpu-form .gpu-actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.gpu-form .gpu-actions .gpu-submit[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}