.trend-upload-single{grid-template-columns:minmax(0,1fr)}.trend-sample-placeholder{aspect-ratio:9/16;border:1px dashed var(--border);background:var(--surface);width:100%;max-width:315px;color:var(--muted);box-sizing:border-box;text-align:center;border-radius:13px;flex-direction:column;justify-content:center;align-items:center;gap:12px;margin:0 auto;padding:24px;display:flex}.trend-sample-placeholder p{max-width:200px;margin:0;font-size:11px;line-height:1.6}.trend-check{background:var(--surface);color:var(--foreground);border-radius:8px;margin:14px 0 0;padding:14px 15px;font-size:11px;line-height:1.6}.trend-check-title{align-items:flex-start;gap:6px;margin:0 0 8px;font-weight:550;display:flex}.trend-check-title svg{color:var(--primary);flex-shrink:0;margin-top:2px}.trend-check ul{color:var(--muted);margin:0 0 10px;padding-left:18px}.trend-check li+li{margin-top:4px}.trend-check strong{color:var(--foreground);font-weight:550}