html,body{margin:0;padding:0;min-height:100vh;background:#1b5fa3;background-image:radial-gradient(ellipse 120% 80% at 50% 0%,#2b7fcc,#1b5fa3 55%,#0d3f6e);font-family:Segoe UI,Tahoma,Geneva,sans-serif}.win7-desktop{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px 16px;box-sizing:border-box}.win7-app-window{width:min(1600px,99vw);min-height:600px;display:flex;flex-direction:column}.win7-menubar{display:flex;align-items:center;gap:4px;padding:4px 8px;background:linear-gradient(to bottom,#f0f4f8,#e4eaf2);border-bottom:1px solid #b0c0d4;font-size:12px}.win7-menubar-sep{color:#aaa;margin:0 2px}.win7-help-link{color:#06c;text-decoration:none;padding:2px 6px;border-radius:2px;font-size:12px;transition:background .15s}.win7-help-link:hover{background:#0066cc1a;text-decoration:underline}.win7-logo-img{width:16px;height:16px;vertical-align:middle;border-radius:2px;margin-right:3px}.win7-logo-link{display:inline-flex;align-items:center;gap:3px}.win7-tab-footer{display:flex;justify-content:flex-end;padding:8px 14px;border-top:1px solid #c8d4e0;background:linear-gradient(to bottom,#f0f4f8,#e4eaf2)}.win7-body{flex:1;padding:0!important;display:flex;flex-direction:column}menu[role=tablist]{padding:4px 6px 0!important;margin:0!important;gap:2px}[role=tabpanel]{flex:1;padding:0;border:none!important;outline:none}.win7-tab-content{padding:14px}.win7-upload-grid{display:flex;gap:14px;flex-wrap:wrap}.win7-dropzone{border:2px dashed #7090b0;border-radius:4px;padding:20px;text-align:center;background:#f7faff;cursor:pointer;transition:background .15s,border-color .15s;min-height:140px;display:flex;align-items:center;justify-content:center}.win7-dropzone:hover,.win7-dropzone.drag-over{background:#e8f0fc;border-color:#06c}.win7-drop-inner{display:flex;flex-direction:column;align-items:center;gap:6px}.win7-drop-icon{font-size:2.5rem;line-height:1}.win7-hint{color:#666;font-size:11px;margin:0}.win7-preview-row{display:flex;align-items:center;gap:10px;margin-top:8px;padding:6px;background:#edfdf4;border:1px solid #90c8a0;border-radius:3px}.win7-preview-row img{max-height:48px;border:1px solid #ccc;border-radius:2px}.win7-column-checks{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.column-check{display:flex;align-items:center;gap:5px;font-size:13px;cursor:pointer;padding:4px 10px;border:1px solid #ccc;border-radius:3px;background:#f5f5f5;transition:background .1s,border-color .1s}.column-check:hover{background:#e8f0fe;border-color:#5b8dee}.column-check.selected{background:#cce0ff;border-color:#06c;font-weight:600}.win7-align-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:3px;margin-top:4px;width:100%;box-sizing:border-box}.win7-align-row button{width:100%;min-width:0;padding:3px 0;font-size:12px}.win7-overflow-banner{background:#fff8e1;border:1px solid #f0c040;border-radius:3px;padding:6px 8px;font-size:12px}.win7-overflow-inline{display:flex;align-items:center;gap:5px;background:#fff3cd;border:1px solid #e6a817;border-left:3px solid #e6a817;border-radius:3px;padding:4px 6px;font-size:11px;line-height:1.3;flex-wrap:wrap}.win7-overflow-icon{flex-shrink:0;font-size:13px}.win7-overflow-inline>span:nth-child(2){flex:1;min-width:0}.win7-overflow-actions{display:flex;gap:3px;flex-shrink:0}.win7-overflow-actions button{padding:1px 6px;font-size:11px;min-width:unset;height:20px;line-height:1}.win7-preview-list{list-style:none;padding:0;margin:0}.win7-preview-list li{padding:3px 0;border-bottom:1px solid #e0e0e0;font-size:13px}.win7-preview-list li:last-child{border-bottom:none}.win7-editor-layout{display:grid;grid-template-columns:185px 1fr 220px;gap:8px;padding:10px;height:calc(100vh - 220px);min-height:520px;box-sizing:border-box}@media(max-width:900px){.win7-editor-layout{grid-template-columns:1fr;height:auto}}.win7-side-panel{display:flex;flex-direction:column;overflow-y:auto;min-width:0}.win7-side-panel fieldset{flex:1;min-width:0}.win7-control-row{display:flex;flex-direction:column}.win7-control-row label{font-size:12px;font-weight:600}.win7-control-row .font-size-row,div[style*="display:flex"]>input[type=range]{min-width:0}input[type=range]{min-width:0;box-sizing:border-box}.win7-nudge-grid{display:grid;grid-template-columns:repeat(3,28px);grid-template-rows:repeat(3,28px);gap:2px}.win7-nudge-grid button{width:28px;height:28px;padding:0;font-size:12px;display:flex;align-items:center;justify-content:center;min-width:unset}.win7-canvas-area{display:flex;flex-direction:column;min-height:0}.win7-canvas-area fieldset{flex:1;display:flex;flex-direction:column;min-height:0}.win7-canvas-viewport{flex:1;overflow:auto;background:#3d3d3d repeating-conic-gradient(#444,#444 25%,#3a3a3a 0%,#3a3a3a 50%) 50% / 20px 20px;display:flex;align-items:flex-start;justify-content:center;padding:20px;cursor:crosshair;min-height:300px;border:1px inset #888;box-sizing:border-box;scrollbar-width:auto;scrollbar-color:#7bafd4 #d8e8f4}.win7-canvas-inner{transform-origin:top center;transition:transform .12s ease;width:min(800px,90%);flex-shrink:0}.win7-canvas-container{position:relative;display:block;width:100%;box-shadow:0 4px 20px #000000b3;cursor:crosshair}.win7-canvas-container canvas{display:block;width:100%;height:auto}.win7-zoom-bar{display:flex;align-items:center;justify-content:center;gap:3px;padding:5px 8px;border-top:1px solid #c8d4e0;background:linear-gradient(to bottom,#f0f4f8,#e4eaf2)}.win7-zoom-bar button{min-width:28px;padding:2px 6px;font-size:13px}.align-btn{flex:1}.align-btn.active{background:linear-gradient(to bottom,#bad4f9,#9cbde4)!important;border-color:#6096cc!important}.win7-generate-center{display:flex;justify-content:center;padding:20px}.progress-bar{height:20px}.progress-bar>div{background:linear-gradient(to bottom,#37a8e4,#1e7fcb);height:100%;transition:width .25s ease}.text-box-overlay{position:absolute;border:2px dashed #ff6600;background:#ff78000f;cursor:move;z-index:10;transition:none}.text-box-handle{position:absolute;width:10px;height:10px;background:#f60;border:2px solid #fff;border-radius:2px;z-index:11}.handle-tl{top:-5px;left:-5px;cursor:nwse-resize}.handle-tr{top:-5px;right:-5px;cursor:nesw-resize}.handle-bl{bottom:-5px;left:-5px;cursor:nesw-resize}.handle-br{bottom:-5px;right:-5px;cursor:nwse-resize}.handle-ml{top:50%;left:-5px;transform:translateY(-50%);cursor:ew-resize}.handle-mr{top:50%;right:-5px;transform:translateY(-50%);cursor:ew-resize}.handle-tm{top:-5px;left:50%;transform:translate(-50%);cursor:ns-resize}.handle-bm{bottom:-5px;left:50%;transform:translate(-50%);cursor:ns-resize}.win7-overflow-list{list-style:none;padding:4px;margin:8px 0;max-height:260px;overflow-y:auto;border:1px solid #ccc;background:#fff;font-size:12px}.win7-overflow-list li{display:flex;justify-content:space-between;padding:4px 6px;border-bottom:1px solid #eee}.win7-overflow-list li:last-child{border-bottom:none}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}