/* Start: drop zone, upload rows, demo data and recent runs. */
.start { max-width: 1040px; }
.start-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.dropzone { border: 1.5px dashed var(--line); border-radius: 10px; padding: 22px; display: grid; place-items: center; gap: 8px; text-align: center; color: var(--fg-2); background: var(--panel); cursor: pointer; }
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--accent-soft); color: var(--fg); }
.dropzone svg.i { width: 26px; height: 26px; color: var(--accent); }
.dropzone b { font-size: 13.5px; }
.uploading { display: grid; gap: 8px; margin-top: 10px; }
.up-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 10px; font-size: 12px; }
.demo-list { display: grid; gap: 8px; }
.demo { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; padding: 10px 12px; }
.demo .t { font-weight: 600; }
.demo .d { font-size: 12px; color: var(--fg-3); grid-column: 1; line-height: 1.45; }
.demo .btn { grid-row: 1 / span 2; grid-column: 2; }
.demo .attribution { grid-column: 1 / -1; font-size: 11px; }
.run-list { display: grid; gap: 4px; }
.run-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; text-align: left; color: var(--fg-2); width: 100%; }
.run-item:hover { background: var(--hover); color: var(--fg); }
.run-item .meta { margin-left: auto; font: 11px var(--mono); color: var(--fg-3); }

@media (max-width: 1080px) {
  .start-grid { grid-template-columns: minmax(0, 1fr); }
}