:root {
            --primary: #274c77;
            --primary-dark: #3a56d4;
            --primary-light: #e6e9ff;
            --secondary: #6096ba;
            --accent: #4895ef;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --success: #4cc9f0;
            --warning: #f8961e;
            --danger: #f72585;
            --border-radius: 12px;
            --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

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

        body {
    font-family: 'Lora', serif !important;
    background: url('/theme/image/background.svg') no-repeat center center fixed;
    background-size: cover;
    background-color: #f0f3fb;
            line-height: 1.6;
            color: var(--dark);
            padding: 0;
            margin: 0;
            padding-top: 70px;
        }

        @supports (font-variation-settings: normal) {
            body { font-family: 'Inter var', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Hero Section */
        .hero {
            text-align: center;
            padding: 25px 0 15px;
            background: transparent;
            margin-bottom: 10px;
        }

        .hero h1 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--dark);
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 20px;
            font-weight: 400;
        }

        /* Main Content */
        .main-content {
            position: relative;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 20px;
            margin: 10px;
            margin-bottom: 40px;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        /* Progress Steps */
        .progress-steps {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            position: relative;
            padding: 0 50px;
        }

        .progress-bar {
            position: absolute;
            top: 20px;
            left: 50px;
            right: 50px;
            height: 6px;
            background: var(--light-gray);
            z-index: 1;
            border-radius: 3px;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
            border-radius: 3px;
        }

        .progress-step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
        }

        .progress-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--light-gray);
            color: var(--gray);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            font-weight: bold;
            transition: var(--transition);
            border: 3px solid white;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .progress-step.active .step-number {
            background: var(--primary);
            color: white;
            transform: scale(1.1);
        }

        .progress-step.completed .step-number {
            background: var(--success);
            color: white;
        }

        .progress-step.completed .step-number::after {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
        }

        .progress-step .step-label {
            font-size: 0.9rem;
            color: var(--gray);
            transition: var(--transition);
            font-weight: 500;
        }

        .progress-step.active .step-label,
        .progress-step.completed .step-label {
            color: var(--dark);
            font-weight: 600;
        }

        /* Step Sections */
        .step-section {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .step-section.active-step {
            display: block;
        }

        .step-content {
            padding: 20px 0;
        }

        .step-content h2 {
            margin-bottom: 25px;
            font-weight: 700;
            color: var(--dark);
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Upload Section */
        .upload-area {
            border: 2px dashed var(--gray);
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            margin: 20px 0;
            background-color: var(--light);
            position: relative;
            overflow: hidden;
        }

        .upload-area:hover {
            border-color: var(--primary);
            background: rgba(72, 149, 239, 0.05);
        }

        .upload-area.active {
            border-color: var(--success);
            background-color: rgba(76, 201, 240, 0.05);
        }

        .upload-area i {
            font-size: 48px;
            color: var(--primary-light);
            margin-bottom: 15px;
        }

        .upload-area p {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .upload-area small {
            color: var(--gray);
            display: block;
            margin-bottom: 15px;
        }

        /* Mobile Preview */
        .mobile-preview {
            margin-top: 30px;
            text-align: center;
            opacity: 0;
            height: 0;
            overflow: hidden;
            transition: all 0.5s ease;
        }

        .mobile-preview.show {
            opacity: 1;
            height: auto;
        }

        .preview-container {
            margin: 20px auto;
            max-width: 300px;
        }

        .preview-image {
            width: 200px;
            height: 200px;
            margin: 0 auto;
            border-radius: 24px;
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border: 2px solid var(--light-gray);
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .preview-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        /* Settings Section */
        .settings-section {
            margin: 30px 0;
        }

        .settings-section h3 {
            margin-bottom: 15px;
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 600;
        }

        .platform-checkboxes {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 15px;
            margin-bottom: 25px;
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-radius: 8px;
            transition: var(--transition);
            background: var(--light);
        }

        .checkbox-group:hover {
            background: var(--primary-light);
        }

        .checkbox-group input[type="checkbox"] {
            width: 20px;
            height: 20px;
            accent-color: var(--primary);
            cursor: pointer;
            flex-shrink: 0;
        }

        .checkbox-group label {
            cursor: pointer;
            user-select: none;
            font-weight: 500;
        }

        /* Preview Section */
        .preview-tabs {
            display: flex;
            border-bottom: 1px solid var(--light-gray);
            margin-bottom: 20px;
        }

        .preview-tab {
            padding: 12px 20px;
            cursor: pointer;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            font-weight: 500;
            color: var(--gray);
            position: relative;
        }

        .preview-tab.active {
            border-bottom-color: var(--primary);
            color: var(--primary);
        }

        .preview-tab:hover:not(.active) {
            color: var(--dark);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        /* Device Previews */
        .device-previews {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }

        .device-group {
            margin-bottom: 30px;
        }

        .device-group h4 {
            margin: 0 0 15px 0;
            color: var(--primary);
            font-weight: 600;
        }

        .device-mockup {
            background-color: #f8f9fa;
            border-radius: 20px;
            padding: 20px;
            position: relative;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 0 auto;
            max-width: 300px;
            transition: transform 0.3s ease;
        }

        .device-mockup:hover {
            transform: translateY(-5px);
        }

        .ios-mockup {
            border: 12px solid #000;
            border-radius: 40px;
            background: #000;
        }

        .android-mockup {
            border: 12px solid #3ddc84;
            border-radius: 20px;
            background: #3ddc84;
        }

        .ios-screen, .android-screen {
            background: white;
            overflow: hidden;
            position: relative;
        }

        .ios-screen {
            border-radius: 28px;
            height: 500px;
        }

        .android-screen {
            border-radius: 8px;
            height: 500px;
        }

        .screen-content {
            padding: 30px;
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .icon-preview-placeholder {
            width: 120px;
            height: 120px;
            margin: 0 auto 30px;
            background-color: #f0f0f0;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .android-mockup .icon-preview-placeholder {
            border-radius: 18px;
            width: 96px;
            height: 96px;
        }

        .app-name {
            margin-top: 20px;
            font-weight: 500;
            color: var(--dark);
        }

        /* Icon Grid */
        .icon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .icon-item {
            text-align: center;
            padding: 15px;
            border: 1px solid var(--light-gray);
            border-radius: var(--border-radius);
            transition: var(--transition);
            background: white;
        }

        .icon-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-color: var(--primary);
        }

        .icon-img {
            width: 80px;
            height: 80px;
            margin: 0 auto 10px;
            border-radius: 8px;
            background-color: #f0f0f0;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }

        .icon-img img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .icon-info {
            font-size: 0.8rem;
            color: var(--gray);
            margin-top: 5px;
        }

        /* Download Section */
        .download-content {
            text-align: center;
            padding: 40px 0;
        }

        .download-success {
            max-width: 500px;
            margin: 0 auto;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.5s ease;
        }

        .download-success.show {
            opacity: 1;
            transform: translateY(0);
        }

        .success-icon {
            font-size: 60px;
            color: var(--success);
            margin-bottom: 20px;
        }

        .download-success h3 {
            margin-bottom: 15px;
            color: var(--primary);
            font-weight: 700;
        }

        /* Spinner */
        .spinner {
            width: 50px;
            height: 50px;
            margin: 30px auto;
            border: 5px solid rgba(0, 0, 0, 0.1);
            border-radius: 50%;
            border-top-color: var(--primary);
            animation: spin 1s ease-in-out infinite;
            display: none;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* Buttons */
        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1rem;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
            box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(67, 97, 238, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

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

        .btn-secondary:hover {
            background-color: #f0f4ff;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 15px 30px;
            font-size: 1.1rem;
        }

        /* Progress Button */
        .btn-progress {
            position: relative;
            overflow: hidden;
        }

        .btn-progress::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            height: 4px;
            background: rgba(255, 255, 255, 0.5);
            width: 0%;
            transition: width 0.3s ease;
        }

        .btn-progress.active::after {
            width: 100%;
            animation: progress 2s linear infinite;
        }

        @keyframes progress {
            0% { width: 0%; left: 0; }
            50% { width: 100%; left: 0; }
            100% { width: 0%; left: 100%; }
        }

        /* Actions */
        .actions {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            gap: 15px;
        }

        .actions.centered {
            justify-content: center;
            flex-wrap: wrap;
        }

        .actions.single-action {
            justify-content: center;
        }

        /* Navigation Button States */
        #continueToSettingsBtn,
        #continueToGenerateBtn,
        #generateBtn {
            display: none;
        }

        .step-section.active-step #continueToSettingsBtn,
        .step-section.active-step #continueToGenerateBtn,
        .step-section.active-step #generateBtn {
            display: inline-flex;
        }

        /* Loading State for Buttons */
        .btn.loading {
            pointer-events: none;
            opacity: 0.8;
        }

        .btn.loading::after {
            content: "";
            position: absolute;
            right: 15px;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s linear infinite;
        }

        .btn-secondary.loading::after {
            border: 3px solid rgba(67, 97, 238, 0.3);
            border-top-color: var(--primary);
        }

        /* Tooltip */
        .tooltip {
            position: relative;
            display: inline-block;
        }

        .tooltip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: var(--dark);
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 8px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.8rem;
            font-weight: normal;
        }

        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .main-content {
                padding: 25px;
            }
            
            .progress-steps {
                padding: 0 30px;
            }
            
            .device-previews {
                grid-template-columns: 1fr;
            }
            
            .platform-checkboxes {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 40px 0 20px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .progress-steps {
                padding: 0;
            }
            
            .progress-step .step-label {
                font-size: 0.8rem;
            }
            
            .icon-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
            
            .actions {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .main-content {
                padding: 20px;
            }
            
            .upload-area {
                padding: 40px 15px;
            }
            
            .ios-screen, .android-screen {
                height: 400px;
            }
            
            .icon-grid {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
                gap: 10px;
            }
            
            .progress-step .step-label {
                display: none;
            }
        }

        /* Dark mode support */
        @media (prefers-color-scheme: dark) {
            body {
                background-color: #121212;
                color: #e1e1e1;
            }
            
            .main-content {
                background-color: #1e1e1e;
                box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
                border-color: #333;
            }
            
            .hero h1 {
                color: #ffffff;
            }
            
            .upload-area {
                border-color: #444;
                background-color: #2d2d2d;
            }
            
            .upload-area.active {
                border-color: var(--success);
            }
            
            .icon-item, .device-mockup {
                background-color: #2d2d2d;
                border-color: #444;
            }
            
            .ios-screen, .android-screen {
                background-color: #1e1e1e;
            }
            
            .icon-preview-placeholder, .icon-img {
                background-color: #333;
            }
            
            .progress-step .step-number {
                background-color: #333;
                border-color: #1e1e1e;
            }
            
            .progress-bar {
                background-color: #333;
            }
            
            .checkbox-group {
                background-color: #2d2d2d;
            }
            
            .checkbox-group:hover {
                background-color: #3a3a3a;
            }
            
            .checkbox-group label {
                color: #e1e1e1;
            }
            
            .preview-tab {
                color: #aaa;
            }
            
            .preview-tab.active {
                color: var(--accent);
            }
            
            .app-name {
                color: #ffffff;
            }
            
            .btn-secondary {
                background-color: #2d2d2d;
                color: var(--accent);
                border-color: var(--accent);
            }
            
            .step-content h2 {
                color: #fff;
            }
        }
        

    /* Content Section Styles */
    .content-section {
        max-width: 1200px;
        margin: 40px auto;
        padding: 0 20px;
    }
    
    .content-card {
        background-color: transparent;
        border-radius: var(--border-radius);
        padding: 30px;
        margin-bottom: 30px;
        box-shadow: var(--box-shadow);
    }
    
    .content-card h2 {
        color: var(--primary);
        margin-bottom: 20px;
        font-size: 1.8rem;
    }
    
    .content-card h3 {
        color: var(--secondary);
        margin: 25px 0 15px;
        font-size: 1.4rem;
    }
    
    .content-card p {
        margin-bottom: 15px;
        line-height: 1.7;
    }
    
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
        margin: 30px 0;
    }
    
    .feature-item {
        background-color: transparent;
        border-radius: var(--border-radius);
        padding: 20px;
        transition: var(--transition);
    }
    
    .feature-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .feature-item i {
        font-size: 2rem;
        color: var(--primary);
        margin-bottom: 15px;
    }
    
    .feature-item h4 {
        margin-bottom: 10px;
        color: var(--dark);
    }
    
    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        margin: 30px 0;
    }
    
    .comparison-table th, .comparison-table td {
        padding: 12px 15px;
        text-align: left;
        border-bottom: 1px solid #e9ecef;
    }
    
    .comparison-table th {
        background-color: var(--primary);
        color: white;
    }
    
    .comparison-table tr:nth-child(even) {
        background-color: #f8f9fa;
    }
    
    .comparison-table tr:hover {
        background-color: #f1f3f5;
    }
    
    .faq-item {
        margin-bottom: 20px;
        border-bottom: 1px solid #e9ecef;
        padding-bottom: 20px;
    }
    
    .faq-question {
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 10px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .faq-question::after {
        content: '+';
        font-size: 1.5rem;
    }
    
    .faq-question.active::after {
        content: '-';
    }
    
    .faq-answer {
        display: none;
        padding: 10px 0;
    }
    
    .faq-answer.show {
        display: block;
    }
    
    .step-by-step {
        counter-reset: step-counter;
    }
    
    .step {
        position: relative;
        padding-left: 60px;
        margin-bottom: 30px;
    }
    
    .step::before {
        counter-increment: step-counter;
        content: counter(step-counter);
        position: absolute;
        left: 0;
        top: 0;
        width: 40px;
        height: 40px;
        background-color: var(--primary);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
    }
    
    .step h4 {
        margin-bottom: 10px;
    }
    
    @media (max-width: 768px) {
        .feature-grid {
            grid-template-columns: 1fr;
        }
        
        .comparison-table {
            display: block;
            overflow-x: auto;
        }
    }