:root {
            --bg-color: #121212;
            --surface-color: #1e1e1e;
            --primary-color: #6a5acd;
            --primary-hover-color: #7b68ee;
            --text-color: #e0e0e0;
            --text-muted-color: #a0a0a0;
            --border-color: #333333;
        }

        :root .light-mode{
            --bg-color: #ededed;
            --surface-color: #e1e1e1;
            --primary-color: #de68b4;
            --primary-hover-color: #f08ecd;
            --text-color: #383838;
            --text-muted-color: #000000;
            --border-color: #3a3a3a;            
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body .container{
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            display: flex;
            justify-content: center;
            align-items: flex-start;
            min-height: 100vh;
            padding: 40px 20px;
        }


        .container {
            width: 100%;
            max-width: 1100px;
            display: flex;
            gap: 40px;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }

        header .mode{
            position: absolute;
            right: -0.5em;
            top: -1.75em;
        }

        .light-mode header .mode > .lucide{
            opacity: 0.25;
        }
        header .mode > .lucide{
            opacity: 0.5;
            box-shadow: 0 0 0 1px var(--text-color);
            border-radius: 0.5em;
            padding: 5px;
            width: 32px;
            height: 32px;
            margin: 5px;
            cursor: pointer;
        }

        header .mode > .lucide.active{
            opacity: 1;
        }

        h1 {
            font-size: 2.5rem !important;
            font-weight: 700;
            color: var(--text-color);
            letter-spacing: -1px;
        }
        
        h1 span {
            color: var(--primary-color);
        }

        header p {
            font-size: 1rem;
            color: var(--text-muted-color);
            max-width: 600px;
            margin: 10px auto 0;
        }

        .controls {
            flex: 1;
            background-color: var(--surface-color);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            height: fit-content;
        }
        
        .output {
            flex-basis: 350px;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: sticky;
            top: 40px;
        }

        .qr-canvas-wrapper {
            width: 320px;
            height: 320px;
            background-color: white;
            border-radius: 12px;
            padding: 10px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            margin-bottom: 20px;
        }
        
        #canvas {
            width: 100%;
            height: 100%;
        }

        .control-group {
            margin-bottom: 25px;
        }

        .control-group h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--text-color);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 8px;
        }

        .control-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        label {
            font-size: 0.9rem;
            color: var(--text-muted-color);
        }

        select, input[type="color"] {
            background-color: var(--bg-color);
            color: var(--text-color);
            border: 1px solid var(--border-color);
            padding: 8px;
            border-radius: 6px;
            font-family: inherit;
            cursor: pointer;
        }
        
        input[type="color"] {
            padding: 2px;
            height: 40px;
            width: 50px;
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
            border: 1px solid var(--border-color);
            background: none;
        }
        
        input[type="color"]::-webkit-color-swatch-wrapper {
            padding: 0;
        }
        input[type="color"]::-webkit-color-swatch {
            border: none;
            border-radius: 4px;
        }
        

        .button-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .btn {
            padding: 12px 20px;
            font-size: 1rem;
            font-weight: 500;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-hover-color);
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(106, 90, 205, 0.3);
        }

        .btn-secondary {
            background-color: var(--surface-color);
            color: var(--text-color);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background-color: #2c2c2c;
            border-color: #555;
        }
        
        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        
        .status-message {
            margin-top: 15px;
            text-align: center;
            color: var(--primary-color);
            font-size: 0.9rem;
            height: 20px;
        }
        
        .main-content {
            display: flex;
            gap: 40px;
            width: 100%;
        }

        footer {
            text-align: center;
            padding: 20px;
            font-size: 0.8rem;
            color: var(--text-muted-color);
            width: 100%;
            margin-top: 40px;
        }
        
        footer a {
            color: var(--primary-color);
            text-decoration: none;
        }
        
        footer a:hover {
            text-decoration: underline;
        }

.page-content{
    padding:1.5em!important;
    font-size: 20px;
}

.page-content h2 {
  
  font-size: 2.25rem;
}

.page-content h3 {
    margin-top: 1em;
  font-size: 1.75rem;
}

.page-content h4 {
    margin-top: 1em;
  font-size: 1.25rem;
}



.page-content p{
    padding: 0.5em 0;
}

.page-content ul,.page-content ol{
    margin-left: 2em;
    line-height: 1.5em;
}

.page-content li{
    margin-bottom: 0.5em;
}

.cols-3{
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    gap: 1em;
}

.cols-3 > div{
    flex:1;
}
@media (max-width: 767px) {
  .animated-preview {
    padding: 0;
  }
}

        /* Responsive Design */
        @media (max-width: 900px) {
            .container {
                flex-direction: column;
            }
            .main-content {
                flex-direction: column;
            }
            .output {
                position: static;
                order: -1; /* Move QR code to the top on mobile */
                width: 100%;
                align-items: center;
            }
            .controls {
                width: 100%;
            }
            .qr-canvas-wrapper {
                width: 90%;
                max-width: 320px;
                height: auto;
                aspect-ratio: 1 / 1;
            }
        }