* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 100%;
            margin: 0 auto;
            background: white;
            border-radius: 15px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        
        .header {
            background-image: radial-gradient(ellipse at top left, #6699FF, #6666CC, #00CCFF);
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        
        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .main-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            min-height: 70vh;
        }
        
        .form-section {
            padding: 30px;
            background: #f8fafc;
            border-right: 1px solid #e2e8f0;
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .output-section {
            padding: 30px;
            background: #1e293b;
            color: white;
            position: relative;
        }
        
        .schema-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        
        .tab-btn {
            padding: 8px 16px;
            background: white;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .tab-btn.active {
            background: #4f46e5;
            color: white;
            border-color: #4f46e5;
        }
        
        .tab-btn:hover {
            border-color: #4f46e5;
            transform: translateY(-2px);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #374151;
        }
        
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #4f46e5;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }
        
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        
        .schema-specific-section {
            background: #f0f9ff;
            border: 2px solid #0ea5e9;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
            display: none;
        }
        
        .schema-specific-section.active {
            display: block;
        }
        
        .schema-specific-section h3 {
            color: #0369a1;
            margin-bottom: 15px;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .schema-icon {
            width: 20px;
            height: 20px;
            background: #0ea5e9;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 12px;
            font-weight: bold;
        }
        
        .additional-props {
            background: #e0f2fe;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
        }
        
        .additional-props h3 {
            color: #0277bd;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        
        .prop-row {
            display: grid;
            grid-template-columns: 1fr 2fr auto;
            gap: 10px;
            margin-bottom: 10px;
            align-items: end;
        }
        
        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            font-size: 1rem;
        }
        
        .btn-primary {
            background: #4f46e5;
            color: white;
        }
        
        .btn-primary:hover {
            background: #4338ca;
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background: #64748b;
            color: white;
        }
        
        .btn-secondary:hover {
            background: #475569;
        }
        
        .btn-danger {
            background: #ef4444;
            color: white;
            padding: 8px 12px;
            font-size: 0.9rem;
        }
        
        .btn-danger:hover {
            background: #dc2626;
        }
        
        .btn-success {
            background: #10b981;
            color: white;
            margin-top: 10px;
        }
        
        .btn-success:hover {
            background: #059669;
        }
        
        .output-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .output-header h3 {
            color: #e2e8f0;
            font-size: 1.3rem;
        }
        
        .copy-btn {
            background: #10b981;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .copy-btn:hover {
            background: #059669;
            transform: scale(1.05);
        }
        
        .code-output {
            background: #0f172a;
            border: 1px solid #334155;
            border-radius: 8px;
            padding: 20px;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            line-height: 1.5;
            white-space: pre-wrap;
            word-wrap: break-word;
            max-height: 500px;
            overflow-y: auto;
            color: #e2e8f0;
        }
        
        .section-divider {
            margin: 30px 0;
            border-top: 2px solid #e2e8f0;
            padding-top: 20px;
        }
        
        .form-section h2 {
            color: #1e293b;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        
        .field-hint {
            font-size: 0.85rem;
            color: #6b7280;
            margin-top: 4px;
        }
     a {
	  text-decoration: none;
	  display: block;
          font-size: 0.9em;
}
	#button-gp {
            display: flex;
	    position: relative;
            margin: 2px auto;
            padding: 3px;
            align-items: center; /* only effective inside a flex */
            justify-content: center; /* only effective inside a flex */
}
       #hereBtn, #pro-Btn {
           display: block;
           margin: 4px;
           padding: 8px;
           background-color: #F76503; /* orange */
           border-radius: 50px;
           border: 2px solid #FFFF00; /* yellow */
           box-shadow: 5px 5px 10px 3px rgba(0, 0, 0, 0.5);
           color: white;
           font-size: 1.0em; 
	   text-align: center;
	   font-weight: normal;
           transition: all 0.2s ease;
}
     #hereBtn:hover, #pro-Btn:hover {
           transform: scale(1.1);
           background-color: #0E5077; /* darkblue */
           color: #FEE15B; /* yellow */
           box-shadow: 5px 5px 10px 3px rgba(0, 0, 0, 0.5); /* 3px spread */
           cursor: pointer;
}
     #copyright {
     	   display: flex;
	   white-space: nowrap;
          font-size: 0.7em;
	  float: right;
          text-align: right;
          color: darkgrey;
}
        
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            
            .form-section {
                border-right: none;
                border-bottom: 1px solid #e2e8f0;
                max-height: none;
            }
            
            .prop-row {
                grid-template-columns: 1fr;
                gap: 5px;
            }
        }