@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&family=Pixelify+Sans:wght@400;500;600;700&display=swap";:root{--bg-app: #0f1115;--bg-panel: #181b21;--bg-input: #0f1115;--border-color: #2a2e37;--primary: #6366f1;--primary-hover: #4f46e5;--accent: #06b6d4;--text-main: #e2e8f0;--text-muted: #94a3b8;--text-dim: #64748b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-glow: 0 0 15px rgba(99, 102, 241, .3);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px}*{box-sizing:border-box}body{margin:0;background-color:var(--bg-app);color:var(--text-main);font-family:Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}.app{max-width:1200px;margin:0 auto;padding:40px 24px;display:flex;flex-direction:column;gap:32px}h1{font-family:Pixelify Sans,sans-serif;font-size:3.5rem;font-weight:700;letter-spacing:.02em;margin:0 0 4px;background:linear-gradient(135deg,#fff 0%,var(--text-muted) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-align:center}.logo-p{background:linear-gradient(135deg,#dbeafe,#3b82f6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.app-description{text-align:center;color:var(--text-muted);margin:0 auto 32px;max-width:600px;font-size:1.15rem;line-height:1.6}.badge-container{display:flex;justify-content:center;margin-bottom:12px;position:relative}.hero-badge{display:inline-flex;align-items:center;padding:6px 16px;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:9999px;color:var(--primary);font-size:.85rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;box-shadow:0 0 20px #6366f126;white-space:nowrap}.text-highlight{color:var(--text-main);font-weight:500;border-bottom:1px solid rgba(99,102,241,.3)}h2{font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin:0 0 16px;display:flex;align-items:center;gap:8px}h2:before{content:"";display:block;width:4px;height:16px;background:var(--accent);border-radius:2px;box-shadow:0 0 8px var(--accent)}.panel{background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-md);transition:border-color .2s;display:flex;flex-direction:column}.panel:hover{border-color:#3f4451}.input-panel{cursor:pointer}.input-panel.drag-over{border-color:var(--primary);background:#6366f10d}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.grid-settings{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px 24px;margin-bottom:24px}.canvas-container{width:100%;height:400px;background:var(--bg-input);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}canvas{max-width:100%;max-height:100%;width:auto;height:auto;image-rendering:pixelated;z-index:2;display:none}#grid-canvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:3}.canvas-container.zoom-enabled canvas{width:100%;height:100%;object-fit:contain;image-rendering:pixelated;position:absolute;top:0;left:0;transform:none}.panel.has-image canvas{display:block}.panel.has-image #grid-canvas{display:none}.panel.has-image .canvas-container.grid-enabled #grid-canvas{display:block}.panel.has-image .placeholder,.panel.is-processing .placeholder{display:none}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-dim);text-align:center;z-index:1;width:100%;height:100%;padding:20px}.drop-icon{display:flex;align-items:center;justify-content:center}.drop-icon img{width:104px;height:74px;image-rendering:pixelated;opacity:.6}.drop-text{font-size:1rem;font-weight:500}.drop-subtext{font-size:.85rem;color:var(--text-dim);opacity:.8;display:block;margin-top:4px}label{display:flex;flex-direction:column;gap:8px}.label-text{font-size:.85rem;color:var(--text-muted);display:flex;align-items:center;gap:6px}input[type=number],input[type=text]{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-main);padding:8px 12px;border-radius:var(--radius-sm);font-family:inherit;font-size:.9rem;transition:all .2s}input[type=number]:focus,input[type=text]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #6366f133}input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary)}.actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.action-button{flex:1;background:linear-gradient(135deg,var(--primary) 0%,#4f46e5 100%);color:#fff;border:none;padding:16px;font-size:1.1rem;font-weight:700;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;box-shadow:0 4px 6px -1px #6366f166;letter-spacing:.05em;text-transform:uppercase;display:flex;align-items:center;justify-content:center;gap:8px}.action-button.download-button{background:linear-gradient(135deg,var(--accent) 0%,#0891b2 100%);box-shadow:0 4px 6px -1px #06b6d466}.action-button:hover:not(:disabled){box-shadow:0 8px 12px -1px #6366f180}.action-button.download-button:hover:not(:disabled){box-shadow:0 8px 12px -1px #06b6d480}.action-button:disabled{background:var(--bg-panel);color:var(--text-dim);cursor:not-allowed;box-shadow:none;border:1px solid var(--border-color);opacity:.6}.download-group{flex:1;display:flex;position:relative}.download-group .download-button{flex:1;border-top-right-radius:0;border-bottom-right-radius:0}.download-dropdown-button{flex:0 0 50px;border-top-left-radius:0;border-bottom-left-radius:0;border-left:1px solid rgba(255,255,255,.1)!important;background:linear-gradient(135deg,var(--accent) 0%,#0891b2 100%);padding:0;min-width:50px}.download-menu{position:absolute;bottom:100%;right:0;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);display:none;flex-direction:column;min-width:200px;margin-bottom:8px;z-index:100;overflow:hidden}.download-menu.show{display:flex}.download-menu button{background:transparent;border:none;color:var(--text-main);padding:12px 16px;text-align:left;cursor:pointer;transition:background .2s;font-family:inherit;font-size:.9rem;border-bottom:1px solid var(--border-color)}.download-menu button:last-child{border-bottom:none}.download-menu button:hover{background:#ffffff0d}.error-toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%) translateY(100px);background:#ef4444;color:#fff;padding:12px 24px;border-radius:var(--radius-md);box-shadow:0 10px 15px -3px #0006;z-index:1000;font-weight:600;display:flex;align-items:center;gap:8px;opacity:0;transition:all .3s cubic-bezier(.16,1,.3,1);pointer-events:none}.error-toast.show{transform:translate(-50%) translateY(0);opacity:1}.status,.status-text{font-size:.85rem;color:var(--text-dim);font-family:JetBrains Mono,monospace}.status-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.controls-right{display:flex;align-items:center;gap:12px}.bg-selector{display:flex;gap:4px;background:var(--bg-input);padding:4px;border-radius:var(--radius-sm);border:1px solid var(--border-color)}.output-panel:not(.has-image) .bg-selector,.output-panel:not(.has-image) .zoom-toggle{display:none}.bg-btn{width:20px;height:20px;border-radius:3px;border:1px solid rgba(255,255,255,.1);cursor:pointer;padding:0;transition:all .2s}.bg-btn:hover{transform:scale(1.1);border-color:#ffffff4d}.bg-btn.active{box-shadow:0 0 0 2px var(--accent);border-color:#fff}.bg-btn.bg-white{background-color:#fff}.bg-btn.bg-black{background-color:#000}.bg-btn.bg-green{background-color:#0f0}.bg-btn.bg-checkered{background-color:#fff;background-image:linear-gradient(45deg,#ccc 25%,transparent 25%),linear-gradient(-45deg,#ccc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ccc 75%),linear-gradient(-45deg,transparent 75%,#ccc 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0px}.has-image .canvas-container.bg-white{background:#fff}.has-image .canvas-container.bg-black{background:#000}.has-image .canvas-container.bg-green{background:#0f0}.has-image .canvas-container.bg-checkered{background-color:#f0f0f0;background-image:linear-gradient(45deg,#d0d0d0 25%,transparent 25%),linear-gradient(-45deg,#d0d0d0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#d0d0d0 75%),linear-gradient(-45deg,transparent 75%,#d0d0d0 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px}.status{margin-bottom:12px}.status span,.status-text span{color:var(--accent)}.loading-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0f1115cc;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:10}.spinner{width:40px;height:40px;border:4px solid rgba(99,102,241,.1);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--text-main);font-weight:500;font-size:1rem}.zoom-toggle{display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-dim);transition:all .2s;padding:4px;border-radius:var(--radius-sm)}.zoom-toggle:hover{color:var(--text-main);background:#ffffff0d}.zoom-toggle input{display:none}.zoom-toggle:has(input:checked){color:var(--accent);background:#06b6d41a}.help{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:var(--border-color);color:var(--text-muted);font-size:10px;cursor:help;position:relative}.help:hover:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%);width:240px;padding:8px 12px;background:#2d3342;border:1px solid var(--border-color);color:var(--text-main);font-size:12px;line-height:1.4;border-radius:var(--radius-sm);box-shadow:var(--shadow-md);z-index:100;white-space:pre-wrap;margin-bottom:8px;text-align:left}