/* body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: #333;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
        } */
        
        .content {
			max-width: 1350px;
            width: 100%;
            overflow: hidden;
            margin: auto;
        }
        
        header {
            background: linear-gradient(to right, #4776E6, #8E54E9);
            color: white;
            padding: 25px;
            text-align: center;
        }
        
        h1 {
            font-size: 2.2rem;
            margin-bottom: 10px;
        }
        
        .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .content {
            display: flex;
            flex-wrap: wrap;
            padding: 25px;
        }
        
        .settings {
            flex: 1;
            min-width: 300px;
            padding: 20px;
        }
        
        .preview {
            flex: 1;
            min-width: 300px;
            /* display: flex; */
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4776E6;
            box-shadow: 0 0 0 2px rgba(71, 118, 230, 0.2);
        }
        
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        
        .color-group {
            display: flex;
            gap: 15px;
        }
        
        .color-input {
            flex: 1;
        }
        
        .color-input input {
            padding: 5px;
            height: 50px;
            cursor: pointer;
        }
        
        .range-group {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .range-group input {
            flex: 1;
        }
        
        .range-value {
            min-width: 40px;
            text-align: center;
            font-weight: 600;
        }
        
        .qr-container {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin-bottom: 25px;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 300px;
            width: 100%;
            position: relative;
        }
        
        #qrcode {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        
        #qrcode canvas {
            border-radius: 8px;
        }
        
        #logo-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            max-width: 20%;
            max-height: 20%;
            border-radius: 5px;
            display: none;
        }
        
        .actions {
            display: flex;
            gap: 15px;
            width: 100%;
        }
        
        button {
            flex: 1;
            padding: 14px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .generate-btn {
            background: linear-gradient(to right, #4776E6, #8E54E9);
            color: white;
        }
        
        .generate-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(71, 118, 230, 0.4);
        }
        
        .download-btn {
            background: #28a745;
            color: white;
        }
        
        .download-btn:hover {
            background: #218838;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
        }
        
        .format-select {
            width: 100%;
            margin-bottom: 15px;
        }
        
        footer {
            text-align: center;
            padding: 20px;
            color: white;
            margin-top: 20px;
        }
        
        footer a {
            color: white;
            text-decoration: none;
        }
        
        footer a:hover {
            text-decoration: underline;
        }
        
        .status-message {
            margin-top: 10px;
            padding: 10px;
            border-radius: 5px;
            text-align: center;
            font-weight: 500;
            display: none;
        }
        
        .success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        .examples {
            margin-top: 15px;
            padding: 10px;
            background-color: #f8f9fa;
            border-radius: 8px;
            border-left: 4px solid #4776E6;
        }
        
        .examples h3 {
            margin-bottom: 8px;
            color: #4776E6;
        }
        
        .examples button {
            padding: 8px 12px;
            margin-right: 8px;
            margin-bottom: 8px;
            background-color: #e9ecef;
            color: #495057;
            border: 1px solid #ced4da;
            font-size: 14px;
        }
        
        .examples button:hover {
            background-color: #dee2e6;
        }
        
        .color-presets {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }
        
        .color-preset {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.2s;
        }
        
        .color-preset:hover {
            transform: scale(1.1);
        }
        
        .color-preset.active {
            border-color: #333;
        }
        
        .hint {
            margin-top: 15px;
            padding: 10px;
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            border-radius: 5px;
            font-size: 14px;
            color: #856404;
        }
        
        .logo-controls {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .logo-preview {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: 10px;
        }
        
        .logo-preview img {
            max-width: 100px;
            max-height: 100px;
            border-radius: 5px;
            border: 1px solid #ddd;
            margin-bottom: 10px;
        }
        
        .logo-controls button {
            padding: 8px 12px;
            font-size: 14px;
        }
        
        .file-input-container {
            position: relative;
            overflow: hidden;
            display: inline-block;
            width: 100%;
        }
        
        .file-input-container input[type=file] {
            position: absolute;
            left: 0;
            top: 0;
            opacity: 0;
            width: 100%;
            height: 100%;
            cursor: pointer;
        }
        
        .file-input-button {
            display: block;
            padding: 12px;
            background-color: #f8f9fa;
            color: #495057;
            border: 1px dashed #ced4da;
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .file-input-button:hover {
            background-color: #e9ecef;
            border-color: #6c757d;
        }
        
        .shape-presets {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }
        
        .shape-preset {
            flex: 1;
            padding: 10px;
            background-color: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .shape-preset:hover {
            background-color: #e9ecef;
        }
        
        .shape-preset.active {
            border-color: #4776E6;
            background-color: #e3f2fd;
        }
        
        .shape-preview {
            width: 30px;
            height: 30px;
            margin: 0 auto 5px;
            background-color: #333;
        }
        
        .shape-square .shape-preview {
            border-radius: 0;
        }
        
        .shape-circle .shape-preview {
            border-radius: 50%;
        }
        
        .shape-rounded .shape-preview {
            border-radius: 5px;
        }
        
        .shape-diamond .shape-preview {
            transform: rotate(45deg);
            margin-top: 8px;
        }
        
        @media (max-width: 768px) {
            .content {
                flex-direction: column;
            }
            
            .settings, .preview {
                width: 100%;
            }
        }