/* style */
        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: #0f172a; /* fon*/
            color: #f1f5f9;
            line-height: 1.5;
        }

        #wrap {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px;
        }

        .header-text {
            font-family: 'Impact', sans-serif;
            font-size: 1.8rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-align: center;
            margin: 20px 0;
            color: #fff;
        }

        /* kontent */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }

        /* knopki */
        .file-link {
            display: block;
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
            color: white !important;
            text-decoration: none;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            font-family: 'Impact', sans-serif;
            font-size: 1.2rem;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
        }

        .file-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
            filter: brightness(1.1);
        }

        .file-link:nth-child(even) {
            background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
        }

        /* kartinki */
        .image-container {
            text-align: center;
            margin: 20px 0;
        }

        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            border: 2px solid #334155;
        }

        /* futer */
        #footer {
            margin-top: 50px;
            padding: 20px;
            background: #1e293b;
            border-radius: 12px;
            font-size: 0.85rem;
            color: #94a3b8;
            text-align: center;
        }

        #footer a {
            color: #60a5fa;
            text-decoration: none;
            margin: 0 10px;
        }

        #footer p {
            margin: 10px 0;
        }

        /* adaptivnost mobil */
        @media (max-width: 480px) {
            .header-text { font-size: 1.4rem; }
            .file-link { font-size: 1rem; padding: 15px; }
            .content-grid { grid-template-columns: 1fr; }
        }