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

        :root {
            --bg: #ffffff;
            --bg-offset: #f8fafc;
            --border: #e2e8f0;
            --text: #1e293b;
            --text-muted: #64748b;
            --accent-1: #FF3366;
            --accent-2: #FF0099;
            --accent-3: #6600FF;
            --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            --card-shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
        }

        body {
            font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
            background: var(--bg);
            min-height: 100vh;
            padding: 3rem 1rem;
            color: var(--text);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 980px;
            margin: 0 auto;
            background: var(--bg);
            border-radius: 16px;
            padding: 2rem;
            position: relative;
            overflow: visible;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
        }

        h1 {
            color: var(--text);
            margin-bottom: 0.25rem;
            text-align: center;
            font-size: 2.25rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: glow 2s ease-in-out infinite alternate;
        }

        .site-header .tagline {
            text-align: center;
            color: var(--muted);
            margin-top: 0.25rem;
            font-size: 0.98rem;
        }

        .header-flourish{
            display:block;
            margin: 0.75rem auto 0;
            opacity: 0.95;
            filter: drop-shadow(0 6px 18px rgba(6,182,212,0.08));
        }

        /* GitHub badge */
        .github-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            background: transparent;
            border-radius: 6px;
            transition: transform 160ms ease, color 160ms ease, background 160ms ease;
            z-index: 2;
        }

        .github-badge:hover {
            transform: translateY(-4px) scale(1.04);
            color: white;
            background: linear-gradient(90deg,var(--accent-1),var(--accent-2));
            box-shadow: 0 8px 24px rgba(255,51,102,0.12);
        }

        .file-list {
            display: grid;
            gap: 1rem;
            margin-top: 1.25rem;
        }

        .file-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.1rem 1.2rem;
            border-radius: 12px;
            background: var(--bg);
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            transform: translateZ(0);
            transition: all 300ms cubic-bezier(.2,.9,.2,1);
        }

        .file-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--accent-2);
        }

        /* Instruction cards: scoped to the instructions section. These mirror .file-item visuals
           but are intentionally scoped so we do not modify .file-item per user's request. */
        .instructions .instruction-card {
            display: block; /* details is block-level */
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 1.05rem 1.1rem;
            box-shadow: var(--card-shadow);
            transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
            margin: 0.6rem 0;
        }

        /* Open details receive a subtle lift + accent border like file-item hover */
        .instructions .instruction-card[open] {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--accent-2);
        }

        /* Per-type accents for instruction categories */
        .instructions .instruction-card.vscode { background-image: linear-gradient(90deg, rgba(124,58,237,0.04), transparent); }
        .instructions .instruction-card.ai { background-image: linear-gradient(90deg, rgba(6,182,212,0.04), transparent); }
        .instructions .instruction-card.manual { background-image: linear-gradient(90deg, rgba(0,0,0,0.02), transparent); }
        .instructions .instruction-card.notes { background-image: linear-gradient(90deg, rgba(255,51,102,0.02), transparent); }
        .instructions .instruction-card.remote { background-image: linear-gradient(90deg, rgba(34,197,94,0.03), transparent); }

        .file-item .muted {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 0.4rem;
        }

        .actions {
            display: flex;
            gap: 0.6rem;
            align-items: center;
        }

        .download-btn.remote {
            background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
            box-shadow: 0 0 15px rgba(255,0,153,0.3);
        }

        .download-btn.remote:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255,0,153,0.4);
        }

        .file-info h3 {
            color: var(--text);
            margin-bottom: 0.25rem;
            font-size: 1.02rem;
            font-weight: 600;
        }

        .file-info p {
            color: var(--text-muted);
            font-size: 0.92rem;
        }

        .download-btn {
            background: linear-gradient(90deg,var(--accent-1),var(--accent-2));
            color: white;
            border: none;
            padding: 0.55rem 0.95rem;
            border-radius: 10px;
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            box-shadow: 0 8px 30px rgba(124,58,237,0.12);
            transition: transform 220ms ease, box-shadow 220ms ease;
        }

        .download-btn:hover { transform: translateY(-4px); }

        .instructions {
            margin-top: 1.75rem;
            border-top: 1px dashed var(--border);
            padding-top: 1.25rem;
        }

        details {
            margin: 0.85rem 0;
            padding: 0.5rem;
            border-radius: 8px;
            transition: background-color 150ms;
        }

        details:hover {
            background: var(--bg-offset);
        }

        details summary {
            cursor: pointer;
            color: var(--text);
            font-weight: 500;
        }

        details[open] summary {
            margin-bottom: 1rem;
            color: var(--accent-1);
        }

        pre {
            background: var(--bg-offset);
            color: var(--text);
            padding: 0.85rem;
            border-radius: 8px;
            overflow: auto;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, 'Segoe UI Mono', 'Roboto Mono', 'Courier New', monospace;
            font-size: 0.92rem;
            border: 1px solid var(--border);
        }

        code { font-family: Consolas, 'Courier New', monospace; }

        .cmd-block {
            position: relative;
            margin-bottom: 0.6rem;
        }

        .copy-cmd {
            position: absolute;
            right: 0.6rem;
            top: 0.6rem;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: white;
            border: none;
            padding: 0.36rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.85rem;
            transition: all 200ms ease;
            opacity: 0.9;
            font-weight: 500;
        }

        .copy-cmd:hover { transform: translateY(-2px); }

        .footer {
            text-align: center;
            margin-top: 2.25rem;
            color: var(--muted);
            font-size: 0.9rem;
        }

        /* Decorative elements and animations */
        .background-visuals { 
            position: absolute; 
            inset: -20px -20px auto -20px; 
            pointer-events: none; 
            z-index: 0; 
            overflow: hidden;
        }

        /* Interactive canvas for mouse-reactive lines/stars */
        .interactive-canvas {
            position: absolute;
            top: 12px;
            left: 12px;
            width: calc(100% - 24px);
            height: 220px;
            border-radius: 12px;
            z-index: 0;
            /* Allow the canvas to receive mouse events so the particle animation can track the cursor. */
            pointer-events: auto;
            display: block;
        }

        /* Ensure content sits above the canvas */
        .container > *:not(.interactive-canvas) { position: relative; z-index: 1; }
        
        .accent-line {
            position: absolute;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-1), var(--accent-2), transparent);
            opacity: 0.5;
        }
        
        .accent-line.accent-1 {
            width: 60%;
            top: 40px;
            left: -10%;
            transform-origin: left;
            animation: slideRight 3s ease-in-out infinite;
        }
        
        .accent-line.accent-2 {
            width: 40%;
            top: 60px;
            right: -5%;
            transform-origin: right;
            animation: slideLeft 3s ease-in-out 1.5s infinite;
        }
        
        .accent-ring {
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 2px solid transparent;
            border-left-color: var(--accent-1);
            border-right-color: var(--accent-2);
            top: -150px;
            left: 50%;
            transform: translateX(-50%) rotate(0deg);
            animation: spin 20s linear infinite;
            opacity: 0.15;
        }

        @keyframes slideRight {
            0%, 100% { transform: scaleX(0.8) translateX(0); opacity: 0.3; }
            50% { transform: scaleX(1) translateX(20px); opacity: 0.5; }
        }

        @keyframes slideLeft {
            0%, 100% { transform: scaleX(0.8) translateX(0); opacity: 0.3; }
            50% { transform: scaleX(1) translateX(-20px); opacity: 0.5; }
        }

        @keyframes spin {
            0% { transform: translateX(-50%) rotate(0deg); }
            100% { transform: translateX(-50%) rotate(360deg); }
        }

        @keyframes glow {
            0% { filter: drop-shadow(0 0 2px rgba(255,51,102,0.3)); }
            100% { filter: drop-shadow(0 0 8px rgba(255,51,102,0.6)); }
        }

        /* Respect prefers-reduced-motion */
        @media (prefers-reduced-motion: reduce) {
            .blob, .file-item, .download-btn, .copy-cmd { transition: none !important; animation: none !important; transform: none !important; }
        }

    /* Footer styles */
    .footer { text-align: left; margin-top: 2.5rem; color: var(--text-muted); font-size: 0.95rem; }
    .footer-main { display:flex; gap:2rem; align-items:flex-start; justify-content:space-between; flex-wrap:wrap; }
    .footer-main h3 { margin:0 0 0.25rem 0; color: var(--text); }
    .footer-links { display:flex; gap:0.6rem; flex-wrap:wrap; margin:0.6rem 0; }
    .footer-links a { color: var(--accent-1); text-decoration:none; border:1px solid transparent; padding:0.25rem 0.5rem; border-radius:6px; background:transparent; }
    .footer-links a:hover { background: linear-gradient(90deg,var(--accent-1),var(--accent-2)); color:white; box-shadow: 0 6px 20px rgba(255,51,102,0.12); }
    .legal-links a { color: var(--text-muted); text-decoration:underline; margin-right:0.6rem; }
    .footer-note { margin-top:1rem; }