.cu-card{width:min(980px,100%);display:flex;flex-direction:column}.cu .h-top{justify-content:space-between;gap:12px}.cu .h-top .cu-x{flex:none}.cu-empty{padding:8px 20px 20px}.cu.has-pic .cu-empty{display:none}.cu:not(.has-pic) .cu-work{display:none}.cu-drop{border:1.5px dashed var(--border-2);border-radius:12px;background:var(--surface-2);padding:40px 20px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}.cu-drop>.i{width:34px;height:34px;color:var(--subtle);stroke-width:1.5}.cu-lead{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.6;max-width:420px}.cu-drop .btn{height:38px;padding:0 16px;font-size:14px}.cu-note{color:var(--muted);font-size:12.5px}.cu-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:4px 20px 10px}.cu-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.cu-grow{flex:1}.cu-sep{width:1px;height:22px;background:var(--border);margin:0 4px}.cu-size{width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--surface);display:grid;place-items:center;padding:0}.cu-size i{display:block;border-radius:50%;background:var(--text-2)}.cu-size.on{border-color:var(--accent);background:var(--accent-soft)}.cu-size.on i{background:var(--accent-ink)}.cu-size:disabled{opacity:.4;cursor:default}.cu-stage{padding:0 20px;display:flex;justify-content:center}.cu-frame{position:relative;line-height:0;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:repeating-conic-gradient(#efeeea 0,#efeeea 25%,#fff 0,#fff 50%) 0 0 / 16px 16px}.cu-frame canvas{display:block;width:100%;height:100%}.cu-ink{position:absolute;top:0;right:0;bottom:0;left:0;opacity:.55;touch-action:none;cursor:none}.cu[data-state=result] .cu-ink{cursor:zoom-in}.cu[data-state=working] .cu-ink{cursor:progress}.cu-ring{position:absolute;display:none;border:1.5px solid #fff;border-radius:50%;box-shadow:0 0 0 1px #0006;transform:translate(-50%,-50%);pointer-events:none}.cu[data-state=result] .cu-ring,.cu[data-state=working] .cu-ring{display:none!important}.cu-busy{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:10px;background:#18181b66;color:#fff;font-size:14px;font-weight:500;line-height:1}.cu-spin{width:18px;height:18px;border-radius:50%;border:2px solid #ffffff55;border-top-color:#fff;animation:cu-spin .8s linear infinite}@keyframes cu-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.cu-spin{animation-duration:2.4s}}.cu-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 20px 16px;font-size:12.5px;color:var(--muted);min-height:40px}.cu-msg.bad{color:var(--danger)}.cu-left{white-space:nowrap}@media (max-width: 640px){.dlg.cu{padding:0;align-items:stretch}.cu-card{width:100%;max-height:100%;border-radius:0}.cu-tools{padding:4px 12px 10px}.cu-stage{padding:0 12px}.cu-foot{padding:10px 12px 14px;flex-wrap:wrap}.cu-grow,.cu .h-top b small{display:none}}
