:root {
            --midnight: #030712;
            --electric-blue: #3b82f6;
            --glass: rgba(15, 23, 42, 0.7);
            --border: rgba(59, 130, 246, 0.2);
            --light-grey: #f1f5f9;
            --muted-grey: #94a3b8;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "Century Gothic", "AppleGothic", "Questrial", sans-serif;
            
            /* REMOVE the radial-gradient and set a single uniform color */
            background: var(--midnight); 
            
            /* This ensures the background color covers the entire height of the content */
            min-height: 100vh;
            background-attachment: fixed;
            
            color: var(--light-grey);
            display: flex;
            flex-direction: column;
            align-items: center;
            overflow-x: hidden;
    }                                                          
        /* --- LOGO SECTION --- */
        header {
            width: 100%;
            display: flex;
            justify-content: center;
            padding-top: 20px;
            z-index: 10;
        }

        .logo-box img {
            height: 150px;
            width: auto;
            mix-blend-mode: screen; 
            filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.4));
            animation: pulse 4s infinite alternate;
        }

        @keyframes pulse {
            0% { filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3)); transform: scale(1); }
            100% { filter: drop-shadow(0 0 50px rgba(59, 130, 246, 0.6)); transform: scale(1.02); }
        }

        /* --- MAIN APP CONTAINER --- */
        #app {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
            margin-top: -10px; 
            padding-bottom: 80px;
            transition: all 0.6s ease-in-out;
        }

        /* --- WELCOME VIEW --- */
        .welcome-view {
            text-align: center;
            max-width: 1200px;
            padding: 0 40px;
            animation: fadeIn 1.2s ease-out;
        }

        .welcome-view h1 {
            font-size: 7.8rem;
            margin: 0;
            letter-spacing: -4px;
            line-height: 0.85;
            font-weight: normal;
        }

        .welcome-view h1 span { 
            color: var(--electric-blue); 
            font-weight: bold;
        }

        .tagline {
            font-size: 1.8rem;
            color: var(--muted-grey);
            margin: 35px auto 55px auto;
            max-width: 850px;
            line-height: 1.3;
        }

        /* --- BUTTON STYLES --- */
        .btn-action {
            background: var(--electric-blue);
            color: white;
            padding: 24px 95px;
            border-radius: 100px;
            font-size: 1.6rem;
            font-weight: bold;
            cursor: pointer;
            border: none;
            transition: 0.4s;
            box-shadow: 0 15px 45px rgba(59, 130, 246, 0.4);
            text-transform: uppercase;
            letter-spacing: 3px;
            font-family: inherit;
        }

        .btn-action:hover {
            transform: scale(1.05) translateY(-5px);
            box-shadow: 0 25px 60px rgba(59, 130, 246, 0.8);
        }

        /* --- INITIALIZE PROFILE CARD --- */
        .glass-card {
            background: var(--glass);
            backdrop-filter: blur(40px);
            -webkit-backdrop-filter: blur(40px);
            border: 1px solid var(--border);
            border-radius: 45px;
            padding: 50px 60px;
            max-width: 500px;
            width: 90%;
            box-shadow: 0 60px 120px rgba(0, 0, 0, 0.7);
            text-align: center;
            animation: slideUp 0.6s ease-out;
        }

        .input-group { 
            text-align: left; 
            margin-bottom: 20px; 
        }
        
        label { 
            font-size: 1rem; 
            color: var(--electric-blue); 
            font-weight: bold; 
            text-transform: uppercase; 
            letter-spacing: 2px;
        }

        input, select {
            width: 100%; 
            box-sizing: border-box;
            padding: 18px; 
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border); 
            border-radius: 15px;
            color: white; 
            font-family: inherit; 
            font-size: 1.1rem; 
            margin-top: 8px;
            outline: none;
            transition: 0.3s;
        }

        .glass-card h3 {
            font-size: 2.2rem;
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .glass-card p {
            font-size: 1.3rem; /* Increase from 1.1rem */
            line-height: 1.5;
            color: var(--muted-grey);
        }
        .card-header-flex {
            display: flex;
            align-items: center;
            gap: 15px; /* Space between logo and text */
            margin-bottom: 10px;
        }

        .python-logo {
            width: 100px;  /* Adjust size as needed */
            height: 100px;
            object-fit: contain;
        }
        .logo-container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 10px;
        }
        code {
            /* The VS Code font stack */
            font-family: "Consolas", "Monaco", "Courier New", monospace !important;
            background: #000000 !important; /* Deep black like a terminal */
            color: #10b981 !important;    /* Your current green text */
            padding: 15px !important;
            border-radius: 8px;
            border: 1px solid var(--border);
            display: block;
            margin: 10px 0;
            font-size: 1.1rem;
            line-height: 1.5;
            letter-spacing: 0.5px;
            text-align: left;
        }

        .ai-icon {
            width: 180px; /* Adjust based on your header size */
            height: auto;
            filter: drop-shadow(0 0 10px var(--electric-blue)); /* Gives it a glow to match your UI */
        }
        /* AI specific icon styling */
        .ai-logo {
            width: 80px;
            height: 80px;
            object-fit: contain;
            filter: drop-shadow(0 0 5px #10b981); /* Green glow */
        }
        /* Styling for unavailable courses */
        .glass-card.locked {
            opacity: 0.5;
            cursor: not-allowed !important;
            filter: grayscale(0.8);
            border: 1px dashed var(--muted-grey) !important;
        }

        .coming-soon-tag {
            font-size: 1.5rem;
            color: #10b981;
            letter-spacing: 2px;
            margin-left: 55px;
            text-transform: uppercase;
            font-weight: bold;
        }
        /* Removes the "hand" cursor and prevents hover scaling */
        .glass-card.locked {
            cursor: not-allowed !important;
            opacity: 0.6;
            filter: grayscale(1);
            pointer-events: none; /* This prevents ANY click events from firing */
        }

        /* Optional: styling for the coming soon text */
        .coming-soon-tag {
            font-size: 0.8rem;
            color: #10b981;
            letter-spacing: 2px;
            margin-top: 10px;
            display: block;
            text-align: right;
            font-weight: bold;
        }

        input:focus, select:focus {
            border-color: var(--light-grey);
            background: rgba(0,0,0,0.7);
        }
        /* Technical list for Interactive Mode */
        .verification-list {
            background: rgba(15, 23, 42, 0.5);
            padding: 20px 20px 20px 40px !important;
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .verification-list li {
            margin-bottom: 10px;
            color: var(--light-grey);
        }

        .verification-list li b {
            color: var(--electric-blue);
            text-transform: uppercase;
            font-size: 0.8rem;
            margin-right: 10px;
        }

        /* Ensure images/icons are sized correctly in lessons */
        .lesson-content img {
            max-width: 100%;
            border-radius: 4px;
            margin: 15px 0;
            border: 1px solid var(--border);
        }
        .interactive-container {
            max-width: 800px;
            margin: 40px auto;
            text-align: left;
            animation: fadeIn 0.5s ease;
        }

        .lesson-header {
            border-bottom: 1px solid var(--border);
            padding-bottom: 15px;
            margin-bottom: 30px;
        }

        .module-id {
            /* Primary: Century Gothic | Fallbacks matching your body style */
            font-family: "Century Gothic", "AppleGothic", sans-serif !important;
            color: var(--electric-blue);
            
            /* Increased size and weight */
            font-size: 1.8rem !important; 
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 2px;
            
            display: block;
            margin-bottom: 10px;
        }
        .lesson-title {
            font-size: 2.5rem;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .lesson-text {
            font-size: 1.2rem;
            line-height: 1.8;
            color: #cbd5e1;
            font-family: "Century Gothic", sans-serif;
        }
        .lesson-text p {
            margin-bottom: 25px;      /* Spacing between paragraphs */
        }

        .lesson-text h3 {
            color: var(--electric-blue);
            font-size: 1.8rem;
            margin-top: 40px;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

        /* Specific styling for lists inside the lesson text */
        .lesson-text ul {
            margin-bottom: 30px;
        }

        .lesson-text li {
            margin-bottom: 12px;
        }

        .lesson-footer {
            margin-top: 60px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }


        .progress-info {
            font-size: 1,8rem; /* Increased from 0.8rem */
            color: var(--muted-grey);
            font-family: "Century Gothic", sans-serif; /* Changed from monospace for better readability */
            font-weight: bold; /* Added for extra emphasis */
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .btn-next {
            background: var(--electric-blue);
            color: white;
            border: none;
            padding: 12px 40px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            transition: 0.3s;
        }

        .btn-next:hover {
            background: #2563eb;
            box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
        }

        .btn-pill {
            background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
            color: white;
            padding: 14px 45px; /* Slightly adjusted for side-by-side fit */
            border-radius: 100px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            font-family: "Century Gothic", sans-serif;
            font-size: 1rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 2px;
            box-shadow: 
                inset 0 4px 6px rgba(255, 255, 255, 0.3),
                0 10px 25px rgba(37, 99, 235, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-prev {
            background: linear-gradient(180deg, #475569 0%, #1e293b 100%); /* Slate/Dark Grey */
            box-shadow: 
                inset 0 4px 6px rgba(255, 255, 255, 0.1),
                0 10px 25px rgba(0, 0, 0, 0.3);
        }

        .btn-prev:hover {
            filter: brightness(1.2);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
        }        
        /* Glossy Overlay Reflection */
        .btn-pill::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 50%;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, transparent 100%);
            pointer-events: none;
        }

        .btn-pill:hover {
            transform: translateY(-3px);
            box-shadow: 
                inset 0 4px 6px rgba(255, 255, 255, 0.4),
                0 15px 35px rgba(37, 99, 235, 0.7);
            filter: brightness(1.1);
        }

        .btn-pill:active {
            transform: translateY(1px);
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        .lesson-card-style {
            background: var(--glass) !important;
            backdrop-filter: blur(40px) !important;
            -webkit-backdrop-filter: blur(40px) !important;
            border: 1px solid var(--border);
            border-radius: 45px;
            padding: 50px 60px;
            max-width: 900px;
            width: 90%;
            margin: 40px auto;
            box-shadow: 0 60px 120px rgba(0, 0, 0, 0.7);
            text-align: left;
        }
        /* Styling for links within lessons */
        .lesson-content a {
            text-decoration: none;
            font-weight: bold;
            border-bottom: 1px dashed var(--electric-blue);
            transition: 0.3s;
        }

        .lesson-content a:hover {
            color: var(--light-grey) !important;
            border-bottom-color: var(--light-grey);
        }
        /* Table Container for padding/alignment */
        .toolkit-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: rgba(255, 255, 255, 0.03); /* Subtle glass effect */
            border-radius: 8px;
            overflow: hidden;
        }

        /* Row Styling */
        .toolkit-table tr {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background 0.3s ease;
        }

        .toolkit-table tr:hover {
            background: rgba(0, 173, 181, 0.05); /* Highlight on hover */
        }

        .toolkit-table tr:last-child {
            border-bottom: none;
        }

        /* Column Styling */
        .toolkit-table td {
            padding: 15px;
            vertical-align: middle;
            color: #e0e0e0;
        }

        /* Style the Operator Column specifically */
        .operator-cell {
            width: 60px;
            text-align: center;
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            color: #00adb5; /* Electric blue accent */
            font-weight: bold;
        }

        /* Description Column */
        .desc-cell {
            font-size: 0.95rem;
            line-height: 1.4;
        }

        /* Ensure the info-box matches the previous lessons */
        .info-box {
            background: rgba(59, 130, 246, 0.1);
            border-left: 4px solid var(--electric-blue);
            padding: 15px;
            margin: 20px 0;
            border-radius: 4px;
        }
        /* Add this to your styles for the "Forbidden Keywords" list */
        .keyword-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            font-family: monospace;
            font-size: 0.9rem;
            color: #ef4444;
            background: rgba(0,0,0,0.3);
            padding: 15px;
            border-radius: 10px;
        }

        .challenge-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            padding: 25px;
            border-radius: 20px;
            margin-bottom: 30px;
        }

        details {
            margin-top: 15px;
            cursor: pointer;
        }

        .code-block {
            text-align: left; /* Forces text back to the left */
            display: block;   /* Ensures it takes up the full width */
            margin: 20px auto; /* Centers the block itself, but not the text inside */
            padding: 20px;
            background: #000;
            border-radius: 8px;
            font-family: 'Consolas', 'Monaco', monospace;
            white-space: pre-wrap; /* Preserves your spaces and line breaks */
            overflow-x: auto; /* Adds a scrollbar if the code is too wide */
        }

        details summary {
            color: #10b981;
            font-weight: bold;
            font-size: 1rem;
            outline: none;
        }

        details code {
            margin-top: 15px !important;
            background: #000 !important;
        }        
        .option-btn {
            background: transparent;
            border: 1px solid var(--electric-blue); /* Solid blue border */
            padding: 15px 25px;
            border-radius: 50px; /* Makes it a pill shape like the second image */
            color: white;
            text-align: left;
            font-family: inherit;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            align-items: center;
            text-align: left;
            width: 100%;
        }

        .option-btn:hover {
            background: rgba(59, 130, 246, 0.1); /* Light blue glow on hover */
            border-color: white;
            transform: translateY(-2px); /* Subtle lift effect */
        }

        .opt-letter {
            color: var(--electric-blue);
            font-weight: bold;
            margin-right: 15px;
            font-size: 1.1rem;
        }
        .options-grid {
            display: grid;
            grid-template-columns: 1fr 1fr; /* Two columns */
            gap: 20px; /* Space between buttons */
            margin-top: 30px;
            
        }        

        /* Blue Pill Button Styling */
        .btn-initiate {
            background-color: var(--electric-blue);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px; /* Pill shape */
            font-weight: bold;
            letter-spacing: 1px;
            cursor: pointer;
            transition: transform 0.2s, background-color 0.2s;
            margin-top: 20px;
            display: inline-block;
            text-decoration: none;
        }

        .btn-initiate:hover {
            background-color: #2563eb; /* Slightly darker blue */
            transform: scale(1.05);
        }

        /* Exam Option Selection Effect */
        .exam-option {
            transition: transform 0.2s ease, border-color 0.2s ease;
            cursor: pointer;
        }

        .exam-option.selected {
            transform: scale(1.03); /* Slight scale up */
            border: 2px solid var(--electric-blue) !important;
            background: rgba(59, 130, 246, 0.1);
        }

        .navigation-zone {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
        }

        /* Styling for the Previous button */
        .nav-btn-alt {
            background: transparent;
            color: var(--muted-grey);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 10px 25px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            letter-spacing: 1px;
            transition: all 0.3s ease;
        }

        .nav-btn-alt:hover {
            color: white;
            border-color: white;
            background: rgba(255,255,255,0.05);
        }

        /* Ensure the Exam Options have smooth hover before selection */
        .exam-option:hover {
            background: rgba(255,255,255,0.05);
            border-color: rgba(255,255,255,0.3);
        }

        .btn-prev {
            padding: 15px 35px;
            border-radius: 50px; /* Makes it a pill */
            background: rgba(255, 255, 255, 0.15); /* Semi-opaque glass effect */
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-weight: bold;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            font-size: 0.9rem;
            backdrop-filter: blur(5px); /* Adds to the opaque feel */
        }

        .btn-prev:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        /* Ensure the container pushes them to the sides */
        .navigation-controls {
            width: 100%;
        }

        .progress-highlight {
            font-weight: 800; /* Extra Bold */
            color: #00d4ff;   /* Your Electric Blue */
            display: block;
            margin-top: 8px;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            /* Optional: subtle glow effect */
            text-shadow: 0 0 8px rgba(0, 212, 255, 0.4);
        }
        /* --- MOBILE RESPONSIVENESS --- */
/* --- MOBILE RESPONSIVENESS SYSTEM --- */

        /* 1. Base Reset to prevent horizontal shaking/scrolling */
        html, body {
            width: 100%;
            margin: 0;
            padding: 0;
            overflow-x: hidden; /* Prevents side-scrolling */
            -webkit-text-size-adjust: 100%; /* Prevents font-scaling bugs on iOS */
        }

        /* This ignores classes and IDs and targets the image file itself */
        img[src*="Master-Mind-Logo.png"] {
            width: 100px !important;
            height: auto !important;
            min-width: 100px !important;
        }

        /* Container to hold the badge relative to the card */
        /* The floating tag */
        /* The wrapper must be the same width as your standard cards */
        .gamified-wrapper {
            position: relative;
            display: flex;
            justify-content: center;
            width: 100%;      /* Allows the grid/flex layout to handle spacing */
            max-width: 400px; /* Match this to the max-width of your Interactive card */
            margin: 0 auto;
        }

        .coming-soon-tag {
            position: absolute;
            top: -12px;
            right: 20px; /* Keeps it tucked to the corner like your screenshot */
            background: #10b981;
            color: white;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.75rem;
            font-weight: 800;
            text-transform: uppercase;
            z-index: 10;
            box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
        }

        .btn-pillfeed {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(59, 130, 246, 0.12); /* Subtle light blue tint */
            border: 1px solid rgba(96, 165, 250, 0.3); /* Soft blue border */
            color: #93c5fd; /* Light, readable blue */
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-transform: uppercase;
            margin-top: 20px;
            backdrop-filter: blur(4px); /* Adds a glass effect */
        }

        .btn-pillfeed:hover {
            background: rgba(59, 130, 246, 0.25);
            border-color: #60a5fa;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
        }
        .footer-container {
            margin-top: 25px; /* Space between the main button and the link */
            text-align: center;
            width: 100%;
        }

        .privacy-link {
            color: rgba(255, 255, 255, 0.8); /* Slightly dimmed white */
            text-decoration: underline;
            font-size: 2rem; /* Increased from 0.9rem */
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            background: none;
            border: none;
            padding: 10px;
            display: inline-block;
        }

        .privacy-link:hover {
            color: #3b82f6; /* MasterMind Blue */
            transform: translateY(-1px);
            text-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
        }
        /* 2. Media Query for Phones (Screens 768px wide or less) */
        /* --- UPDATED MOBILE RESPONSIVENESS SYSTEM --- */

        @media screen and (max-width: 768px) {
            
            /* 1. FORCE THE LOGO TO BE MODERATE */
            /* This overrides the 150px height in your desktop styles */
            .logo-box img, 
            .logo-main img, 
            header img, 
            .logo-container img {
                height: 100px !important;    /* Absolute height for mobile */
                width: auto !important;      /* Keep proportions */
                max-width: 375px !important; /* Prevent stretching */
                margin: 0 auto !important;
                display: block !important;
            }

            /* 2. ADJUST THE MAIN HEADING */
            /* Prevents "CHOOSE YOUR PATH" from taking up the whole screen */
            .welcome-view h1 {
                font-size: 2.7rem !important; 
                letter-spacing: 0px !important;
                line-height: 1.2 !important;
                margin-top: 10px !important;
            }
            h3 {
                font-size: 1.2rem !important; /* Adjust this number to your liking */
                line-height: 1.4;
                letter-spacing: 1px;
            }
            .welcome-view p {
                font-size: 1.2rem !important;
                line-height: 1.6;
                padding: 0 10px; /* Gives text some breathing room on edges */
                max-width: 90% !important;
                margin: 0 auto 30px auto !important;
            }

            .code-block {
                font-size: 0.75rem !important; /* Smaller text for better fit */
                padding: 12px !important;      /* Thinner padding on mobile */
                line-height: 1.5 !important;   /* Keeps lines readable */
                overflow-x: auto !important;   /* Crucial: adds a scrollbar if the code is wide */
                border-radius: 12px !important;/* Smoother corners for small screens */
                margin: 15px 0 !important;     /* Space between text and code */
                background: rgba(0, 0, 0, 0.4) !important; /* Slightly darker for contrast */
            }

            /* Target the text inside if you use <code> tags within the block */
            .code-block code {
                white-space: pre !important;   /* Preserves your indentations */
                word-spacing: normal !important;
                word-break: normal !important;
            }


            /* 3. TAGLINE ADJUSTMENT */
            .tagline {
                font-size: 1rem !important;
                margin: 15px auto 30px auto !important;
                padding: 0 10px;
            }

            /* 4. THE PYTHON CARD SHAPE */
            /* Ensures the card fits the phone width perfectly */
            .glass-card {
                width: 92% !important;
                max-width: 100% !important;
                padding: 20px !important;
                border-radius: 20px !important; /* Slightly sharper corners for mobile */
                margin: 10px auto !important;
            }
            .privacy-link {
                font-size: 1rem !important; /* Smaller text for mobile */
                padding: 8px !important;      /* Tighter padding */
                margin-top: 10px !important;  /* Brings it closer to the button above */
            }
            /* 5. CARD CONTENT ALIGNMENT */
            .card-header-flex {
                flex-direction: column !important; /* Stack logo above title */
                gap: 10px !important;
            }

            .card-header-flex h3 {
                font-size: 1.3rem !important;
                text-align: center !important;
            }

            .glass-card p {
                margin-left: 0 !important;
                text-align: center !important;
                font-size: 0.95rem !important;
            }

            /* 6. BUTTONS & INPUTS */
            .options-grid {
                grid-template-columns: 1fr !important; /* Stack quiz options in one column */
                gap: 10px !important;
            }

            .btn-action {
                padding: 18px 50px !important;
                font-size: 1.2rem !important;
            }
        }


        /* --- ANIMATIONS --- */
        @keyframes fadeIn { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes slideUp { from { opacity: 0; transform: translateY(60px); } to { opacity: 1; transform: translateY(0); } }