.button-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;max-width:400px;margin:0 auto;display:grid}.editor-header{justify-content:space-between;align-items:center;margin-bottom:.75rem;display:flex}.editor-buttons{align-items:center;gap:.5rem;display:flex}.editor-header .btn-enhanced{padding:.5rem .75rem;font-size:.875rem}.editor-wrapper{position:relative}.json-textarea{border:2px solid var(--border-color);background-color:var(--bg-primary);width:100%;min-height:400px;color:var(--text-primary);resize:vertical;border-radius:8px;padding:1rem;font-family:Consolas,Monaco,Courier New,monospace;font-size:14px;line-height:1.5;transition:border-color .3s,box-shadow .3s}.json-textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #64748b1a}.json-textarea.has-error{background-color:#fef2f2;border-color:#ef4444}[data-theme=dark] .json-textarea.has-error{background-color:#ef44441a}.error-marker{color:#fff;z-index:10;background:#ef4444;border-radius:6px;align-items:center;gap:.25rem;padding:.5rem .75rem;font-size:.8rem;font-weight:700;display:flex;position:absolute;right:1rem;box-shadow:0 2px 8px #ef44444d}.error-line-num{font-family:Consolas,Monaco,Courier New,monospace}.json-textarea::selection{color:#000;background-color:#fbbf24}.json-textarea::selection{color:#000;background-color:#fbbf24}.message-container{margin:1rem 0}.message-content{border-radius:8px;padding:1rem 1.5rem;font-weight:500}.message-content.success{color:#166534;background:#f0fdf4;border:1px solid #86efac}.message-content.error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.message-content.info{color:#1e40af;background:#eff6ff;border:1px solid #93c5fd}[data-theme=dark] .message-content.success{color:#bbf7d0;background:#166534;border:1px solid #22c55e}[data-theme=dark] .message-content.error{color:#fecaca;background:#991b1b;border:1px solid #ef4444}[data-theme=dark] .message-content.info{color:#dbeafe;background:#1e40af;border:1px solid #3b82f6}@media (max-width:768px){.button-grid{grid-template-columns:1fr;max-width:200px}.json-textarea{min-height:300px;font-size:13px}}