:root {
            --spidey-red: #e23636;
            --spidey-red-light: #ff4757;
            --spidey-blue: #0a1128;
            --spidey-blue-dark: #001f54;
            --spidey-black: #1a1a1a;
            --text-color: #f0f0f0;
            --glass: rgba(255, 255, 255, 0.03);
            --web-pattern: rgba(255, 255, 255, 0.05);
        }

        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: radial-gradient(circle at top, var(--spidey-blue-dark), var(--spidey-blue), var(--spidey-black));
            color: var(--text-color);
            line-height: 1.6;
            margin: 0;
            padding: 40px 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
        }

        /* Subtle web pattern overlay */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(45deg, transparent 48%, var(--web-pattern) 50%, transparent 52%),
                linear-gradient(-45deg, transparent 48%, var(--web-pattern) 50%, transparent 52%);
            background-size: 60px 60px;
            pointer-events: none;
            opacity: 0.3;
            z-index: 0;
        }

        .container {
            max-width: 850px;
            width: 100%;
            background: var(--glass);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(226, 54, 54, 0.3);
            border-radius: 24px;
            padding: 50px;
            box-shadow:
                0 25px 50px rgba(0, 0, 0, 0.8),
                inset 0 0 30px rgba(226, 54, 54, 0.1);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        /* Spider-Man red accent border */
        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, 
                transparent, 
                var(--spidey-red), 
                var(--spidey-red-light), 
                var(--spidey-red), 
                transparent);
            box-shadow: 0 0 10px rgba(226, 54, 54, 0.5);
        }

        /* Bottom accent */
        .container::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, 
                transparent, 
                var(--spidey-blue-dark), 
                var(--spidey-red), 
                var(--spidey-blue-dark), 
                transparent);
        }

        h1 {
            color: var(--spidey-red-light);
            text-shadow: 
                0 0 20px rgba(226, 54, 54, 0.6),
                0 0 40px rgba(226, 54, 54, 0.3);
            font-size: 2.5em;
            margin-top: 0;
            background: linear-gradient(135deg, #fff 0%, var(--spidey-red-light) 50%, var(--spidey-red) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 700;
        }

        h2, h3 {
            color: var(--spidey-red-light);
            margin-top: 1.5em;
            text-shadow: 0 0 10px rgba(226, 54, 54, 0.4);
        }

        p {
            margin-bottom: 1.2em;
        }

        a {
            color: var(--spidey-red-light);
            text-decoration: none;
            border-bottom: 1px dashed var(--spidey-red);
            transition: all 0.3s ease;
        }

        a:hover {
            color: #fff;
            border-bottom-style: solid;
            text-shadow: 0 0 8px rgba(255, 71, 87, 0.6);
        }

        ul, ol {
            margin-bottom: 1.5em;
            padding-left: 25px;
        }

        li {
            margin-bottom: 0.8em;
        }

        code {
            background: rgba(0, 0, 0, 0.5);
            padding: 3px 6px;
            border-radius: 6px;
            font-family: 'Cascadia Code', 'Courier New', monospace;
            color: var(--spidey-red-light);
            font-size: 0.9em;
            border: 1px solid rgba(226, 54, 54, 0.2);
        }

        pre {
            background: rgba(0, 0, 0, 0.4);
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            border: 1px solid rgba(226, 54, 54, 0.2);
            margin-bottom: 1.5em;
            box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.3);
        }

        .back-link-container {
            max-width: 850px;
            width: 100%;
            margin-bottom: 25px;
            z-index: 1;
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            background: rgba(226, 54, 54, 0.2);
            border: 1px solid var(--spidey-red);
            color: #fff;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.95em;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border-bottom: none;
            box-shadow: 0 0 10px rgba(226, 54, 54, 0.2);
        }

        .back-link:hover {
            background: var(--spidey-red);
            transform: translateX(-8px);
            box-shadow: 0 0 25px rgba(226, 54, 54, 0.6);
            text-shadow: none;
        }

        .error-message {
            color: #ff6b6b;
            text-align: center;
            padding: 30px;
            border: 1px solid rgba(255, 107, 107, 0.3);
            border-radius: 15px;
            background: rgba(226, 54, 54, 0.1);
        }

        footer {
            margin-top: 50px;
            font-size: 0.9em;
            opacity: 0.6;
            text-align: center;
            letter-spacing: 1px;
            z-index: 1;
            color: var(--text-color);
        }

        footer a {
            border: none;
            color: var(--spidey-red-light);
        }

        footer a:hover {
            color: #fff;
        }

        /* Scrollbar styling */
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: var(--spidey-black);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--spidey-red);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--spidey-red-light);
        }