.qf-app{max-width:1000px;margin:30px auto;padding:24px;border:1px solid #e5e7eb;border-radius:22px;background:#fff;box-shadow:0 10px 35px rgba(0,0,0,.06);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#171717}
.qf-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:20px}.qf-header h2{margin:0;font-size:28px}.qf-header p{margin:5px 0 0;color:#6b7280}.qf-badge{background:#ecfdf5;color:#166534;padding:8px 11px;border-radius:999px;font-size:12px;white-space:nowrap}
.qf-drop{display:flex;min-height:190px;align-items:center;justify-content:center;flex-direction:column;gap:8px;border:2px dashed #cbd5e1;border-radius:18px;cursor:pointer;transition:.2s}.qf-drop.is-dragging,.qf-drop:hover{border-color:#111;background:#fafafa}.qf-drop input{display:none}.qf-upload-icon{font-size:36px}.qf-drop small{color:#6b7280}
.qf-status{margin-top:16px;padding:12px 14px;border-radius:12px;background:#f8fafc}.qf-progress{height:6px;margin-top:9px;border-radius:99px;background:#e5e7eb;overflow:hidden}.qf-progress i{display:block;width:0;height:100%;background:#111;transition:width .2s}
.qf-editor{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px;margin-top:20px}.qf-preview-card{border:1px solid #e5e7eb;border-radius:16px;padding:12px}.qf-preview-title{font-size:12px;font-weight:700;color:#6b7280;margin-bottom:10px}.qf-preview{min-height:420px;border-radius:11px;display:flex;align-items:center;justify-content:center;overflow:auto;background:repeating-conic-gradient(#eee 0 25%,#fff 0 50%) 50%/24px 24px}.qf-canvas{display:block;max-width:100%;height:auto}
.qf-controls{border:1px solid #e5e7eb;border-radius:16px;padding:16px}.qf-control span,.qf-resolution strong{display:block;font-weight:700;font-size:14px;margin-bottom:8px}.qf-color-row{display:flex;gap:8px}.qf-color{width:52px;height:42px;padding:3px;border:1px solid #d1d5db;border-radius:9px}.qf-hex{width:100%;border:1px solid #d1d5db;border-radius:9px;padding:0 10px;font:inherit}.qf-swatches{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0}.qf-swatches button{width:29px;height:29px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #d1d5db;cursor:pointer}.qf-resolution{padding:12px 0;border-top:1px solid #eee;border-bottom:1px solid #eee;margin:12px 0;color:#374151}.qf-dimensions{font-size:13px;color:#6b7280}.qf-download,.qf-again{width:100%;padding:12px;border:0;border-radius:10px;font-weight:700;cursor:pointer}.qf-download{background:#111;color:#fff}.qf-again{margin-top:8px;background:#eef0f3;color:#111}.qf-note{font-size:11px;color:#6b7280;line-height:1.5}
@media(max-width:760px){.qf-app{margin:15px 8px;padding:15px}.qf-header{flex-direction:column}.qf-editor{grid-template-columns:1fr}.qf-preview{min-height:280px}}