:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; padding: 0 1rem 2rem; max-width: 900px; margin-inline: auto; }
.topbar { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; padding: 1rem 0; }
.sim-banner { background: #b45309; color: #fff; padding: 0.35rem 0.75rem; border-radius: 6px; font-weight: 600; font-size: 0.85rem; }
.dropzone { border: 2px dashed #888; border-radius: 10px; padding: 2.5rem 1rem; text-align: center; cursor: pointer; }
.dropzone:focus-visible, .dropzone.dragover { outline: 3px solid #2563eb; border-color: #2563eb; }
.upload-card { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2rem; }
button { padding: 0.6rem 1rem; border-radius: 8px; border: 1px solid #2563eb; background: #2563eb; color: #fff; font-size: 1rem; cursor: pointer; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.error { color: #dc2626; min-height: 1.2em; }
.mission-list, .fleet-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.mission-item, .fleet-item { border: 1px solid #ccc; border-radius: 8px; padding: 0.75rem 1rem; }
.status-badge { display: inline-block; padding: 0.1rem 0.6rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; color: #fff; }
.status-QUEUED, .status-WAITING_FOR_CAPACITY { background: #6b7280; }
.status-RUNNING, .status-RETRYING { background: #2563eb; }
.status-DONE { background: #16a34a; }
.status-PARTIAL { background: #ca8a04; }
.status-FAILED, .status-CANCELLED { background: #dc2626; }
.progress-msg { font-size: 0.85rem; color: #555; }