.box { max-width: 700px; margin: 0 auto; background: white; padding: 10px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05);border: 2px solid #d5d5d5;box-shadow: 5px 0 8px rgba(0, 0, 0, 0.15);border-radius: 8px;}
        h2 { margin-top: 0; color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; }
        .input-group { margin-bottom: 15px; display: flex; align-items: center; justify-content: space-between; }
        .input-group label { font-weight: 500; width: 60%; }
        .input-group input { width: 35%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
        input[type="file"] { display: block; margin: 25px 0; width: 100%; padding: 15px; border: 2px dashed #3498db; background: #f8fafd; border-radius: 6px; cursor: pointer; text-align: center; }
        .status { padding: 10px; background: #e8f4fd; border-left: 4px solid #3498db; border-radius: 4px; font-family: monospace; white-space: pre-wrap; font-size: 14px; line-height: 1.4; margin-top: 10px; max-height: 300px; overflow-y: auto; }
        .btn-download { display: none; width: 100%; margin-top: 8px; padding: 8px; background-color: #2E8B57; color: white; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; transition: background 0.2s; }
        .btn-download:hover { background-color:  #006400; }
		.custom-file-upload {
    display: inline-block;
    padding: 8px 15px;
    background-color: #2E8B57;
    color: white;
    border-radius: 10px;

	letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.2s;
    border: 1px solid #3CB371;
}
.custom-file-upload:hover {
    background-color: #006400;
}

      /* Задний фон, блокирующий клики по странице */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5); /* Полупрозрачный черный */
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }

        /* Само всплывающее окно */
        .modal-content {
            background-color: #fff;
            padding: 8px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            max-width: 220px;
            width: 100%;
        }

        /* Стили текста таймера */
        #timer-text {
            font-size: 16px;
            margin-bottom: 10px;
        }

        /* Кнопка закрытия (изначально скрыта) */
        #close-btn {
            display: none;
            padding: 10px 20px;
            font-size: 16px;
            background-color: #28a745;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        #close-btn:hover {
            background-color: #218838;
        }
        body {
		font-family: 'Segoe UI', Arial, sans-serif; margin: 10px; background-color: #f5f6fa; color: #333;
            background-image: url('images/header3.jpg');
            background-repeat: no-repeat;
            background-size: cover;
            background-attachment: fixed;
            background-position: center;
        }
				.footer {
    text-align: center;
    padding: 5px 0;
    margin-top: 5px;
    font-size: 14px;
    color: #777;border-top: 1px solid #ddd;
}