body{font-family:"Be Vietnam Pro","Segoe UI",Tahoma,Geneva,Verdana,sans-serif;font-size:14px;color:#0f172a;margin:0;padding:24px;min-height:100vh;background:#eef2ff}.container.css-grid-generator{max-width:1180px;margin:0 auto;background:#fff;border-radius:24px;box-shadow:0 40px 90px rgba(15,23,42,.12);overflow:hidden}.header{background:linear-gradient(150deg, #2563eb, #0ea5e9);color:#fff;padding:40px 46px}.header h1{margin:0 0 14px;font-size:34px;font-weight:700}.header .subtitle{margin:0;font-size:15px;opacity:.92;line-height:1.6}.instructions{padding:28px 46px 0;display:grid;gap:12px;color:#334155}.instructions ol{margin:0;padding-left:24px;line-height:1.6}.controls-panel{padding:24px 46px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}.controls-panel .control-group{display:flex;flex-direction:column;gap:8px;min-width:160px}.controls-panel .control-group label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#2563eb}.controls-panel .control-group input[type=number],.controls-panel .control-group input[type=range],.controls-panel .control-group select{border-radius:12px;border:1px solid #bfdbfe;padding:10px 12px;font-size:14px;font-weight:600;background:#eff6ff;color:#1e3a8a;appearance:none}.controls-panel .control-group input[type=number]:focus,.controls-panel .control-group input[type=range]:focus,.controls-panel .control-group select:focus{outline:none;border-color:#60a5fa;box-shadow:0 0 0 3px rgba(96,165,250,.25)}.controls-panel .control-group input[type=range]{padding:0}.controls-panel .control-row{display:flex;gap:18px;flex-wrap:wrap}.grid-workspace{padding:0 46px 40px;display:grid;gap:24px}.canvas-wrapper{background:#e0f2fe;border:1px solid #bfdbfe;border-radius:22px;padding:30px;box-shadow:inset 0 1px 0 hsla(0,0%,100%,.5)}.grid-canvas{position:relative;width:100%;min-height:420px;border-radius:16px;background:repeating-linear-gradient(to right, rgba(59, 130, 246, 0.35) 0, rgba(59, 130, 246, 0.35) 1px, rgba(191, 219, 254, 0.35) 1px, rgba(191, 219, 254, 0.35) var(--cell-width)),repeating-linear-gradient(to bottom, rgba(59, 130, 246, 0.35) 0, rgba(59, 130, 246, 0.35) 1px, rgba(191, 219, 254, 0.35) 1px, rgba(191, 219, 254, 0.35) var(--cell-height));background-size:calc(var(--cell-width) + var(--gap-x)) calc(var(--cell-height) + var(--gap-y))}.grid-item{position:absolute;border-radius:14px;background:#bfdbfe;border:1px solid rgba(37,99,235,.45);color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-weight:700;cursor:grab;transition:box-shadow .2s ease;user-select:none}.grid-item.is-active{z-index:20;box-shadow:0 20px 45px rgba(37,99,235,.35);cursor:grabbing}.grid-item.is-ghost{opacity:.4;border-style:dashed}.grid-item .item-label{pointer-events:none}.grid-item .item-remove{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:999px;border:none;background:rgba(59,130,246,.9);color:#fff;font-size:12px;font-weight:700;cursor:pointer;opacity:0;transition:opacity .2s ease}.grid-item:hover .item-remove{opacity:1}.grid-item .resize-handle{position:absolute;width:18px;height:18px;bottom:6px;right:6px;background:rgba(14,165,233,.9);border-radius:6px;cursor:se-resize;box-shadow:0 6px 14px rgba(14,165,233,.25)}.grid-toolbar{display:flex;gap:12px;flex-wrap:wrap}.grid-toolbar .btn{padding:11px 20px;border-radius:999px;border:none;font-weight:600;cursor:pointer;transition:all .2s ease}.grid-toolbar .btn-primary{background:#2563eb;color:#fff}.grid-toolbar .btn-primary:hover{background:#1d4ed8}.grid-toolbar .btn-outline{background:hsla(0,0%,100%,.9);border:1px solid #2563eb;color:#1d4ed8}.grid-toolbar .btn-outline:hover{background:rgba(37,99,235,.12)}.output-panels{display:grid;gap:18px;grid-template-columns:repeat(auto-fit, minmax(260px, 1fr))}.output-card{background:#eef2ff;border:1px solid #c7d2fe;border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:12px}.output-card .card-header{display:flex;justify-content:space-between;align-items:center;font-size:12px;text-transform:uppercase;color:#2563eb}.output-card pre{margin:0;background:#fff;border-radius:12px;padding:16px;font-family:"JetBrains Mono",monospace;font-size:13px;color:#0f172a;overflow:auto;max-height:220px}.output-card button{align-self:flex-end;padding:8px 12px;border-radius:8px;border:none;background:#2563eb;color:#fff;font-size:12px;cursor:pointer}.output-card button:hover{background:#1d4ed8}@media(max-width: 1024px){body{padding:18px}.header{padding:32px 30px}.controls-panel{padding:22px 30px}.grid-workspace{padding:0 30px 36px}}@media(max-width: 640px){body{padding:12px}.container.css-grid-generator{border-radius:20px;margin:0}.controls-panel{flex-direction:column;align-items:stretch}.grid-toolbar{flex-direction:column;align-items:stretch}.grid-toolbar .btn{width:100%}.grid-canvas{min-height:320px}}