:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}body{margin:0}*{box-sizing:border-box}body{color:#1a1a1a;background:#f5f3ef;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}.app{max-width:720px;margin:0 auto;padding:16px}header h1{margin:0 0 4px;font-size:22px;font-weight:600}.desc{color:#666;margin:0 0 16px;font-size:13px}.picker{cursor:pointer;color:#555;background:#fff;border:2px dashed #b8b4ad;border-radius:12px;justify-content:center;align-items:center;height:240px;font-size:16px;display:flex}.picker:hover{background:#fafafa}.picker input,.btn input{display:none}.stage{-webkit-user-select:none;user-select:none;touch-action:none;background:#000;border-radius:12px;position:relative;overflow:hidden}.stage img.base{width:100%;height:auto;display:block}img.stamp{touch-action:none;-webkit-user-drag:none;-webkit-user-select:none;user-select:none;pointer-events:auto;transform-origin:50%;transition:filter .12s;position:absolute}img.stamp.active{filter:drop-shadow(0 0 #1d9bf0)drop-shadow(0 0 6px #1d9bf099)}.trash{color:#fff;opacity:0;pointer-events:none;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#141414c7;border-radius:999px;justify-content:center;align-items:center;width:48px;height:48px;transition:opacity .18s,transform .18s,background .12s;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%,12px)scale(.92)}.trash.visible{opacity:1;transform:translate(-50%)scale(1)}.trash.over{background:#e0245e;transform:translate(-50%,-2px)scale(1.12)}.hint{color:#888;text-align:center;margin:12px 0 4px;font-size:12px}.actions{gap:8px;margin-top:8px;display:flex}.btn{cursor:pointer;height:44px;color:inherit;background:#fff;border:1px solid #ccc;border-radius:999px;flex:1;justify-content:center;align-items:center;padding:0 16px;font-family:inherit;font-size:15px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{color:#fff;background:#1d9bf0;border-color:#1d9bf0}